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Hitachi MK-96RD617-08 User Manual

Performance manager
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Hitachi Universal Storage Platform V
Hitachi Universal Storage Platform VM
Hitachi Performance Manager User's Guide
Performance Monitor and Server Priority Manager
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Summary of Contents for Hitachi MK-96RD617-08

  • Page 1 Hitachi Universal Storage Platform V Hitachi Universal Storage Platform VM Hitachi Performance Manager User’s Guide Performance Monitor and Server Priority Manager INKS Document Organization Product Version Getting Help Contents MK-96RD617-08...
  • Page 2 Hitachi Data Systems. All other brand or product names are or may be trademarks or service marks of and are used to identify products or services of their respective owners. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 3: Table Of Contents

    Traffic between HBAs and Storage System Ports ...2-13 Performance of High-Priority Hosts...2-13 Upper-Limit Control ...2-14 Performance Monitor ...2-17 Server Priority Manager...2-18 Preparing for Performance Manager Operations ... 3-1 Performance Monitor Limitations...3-3 Export Tool Limitations...3-5 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Contents Contents...
  • Page 4 Starting Server Priority Manager... 6-11 Analyzing Traffic Statistics ... 6-13 Setting Priority for Ports on the Storage System ... 6-14 Setting Upper-Limit Values to Traffic at Non-prioritized Ports ... 6-15 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Contents...
  • Page 5 Subcommand ...7-62 option Subcommand ...7-63 apply Subcommand ...7-64 set subcommand ...7-64 help Subcommand ...7-66 Java Command for Exporting Data In Files...7-66 Troubleshooting ... 8-1 Acronyms and Abbreviations Index Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Contents...
  • Page 6 Contents Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 7: Preface

    Convention for Storage Capacity Values Getting Help Comments Notice: The use of Performance Manager software and all other Hitachi Data Systems products is governed by the terms of your agreement(s) with Hitachi Data Systems. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 8: Intended Audience

    Hitachi Universal Storage Platform V/VM Storage Navigator remote console software. Note: There are different types of users for Hitachi Universal Storage Platform V/VM: storage administrators and storage partition administrators. The functions described in this manual are limited depending on the user type. For details on the limitations, see Storage Partition Administrators Limitations.
  • Page 9 Source Documents for this Revision • MK-96RD617-08d-RSD-V03 Changes in This Revision • Added notes throughout this document to contact Hitachi Data Systems Support Center for Volume Migration support. • Added notes throughout this document concerning the CU as the monitoring target.

  • Page 10: Referenced Documents

    Hitachi Virtual Partition Manager User’s Guide, MK-96RD629 Document Conventions The terms “Universal Storage Platform V” and “Universal Storage Platform VM” refer to all models of the Hitachi Universal Storage Platform V and VM storage systems, unless otherwise noted. This document uses the following typographic conventions:...
  • Page 11 1 TB = 1,024 1 PB = 1,024 1 block = 512 bytes Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Indicates that you have a choice between two or more options or arguments. Examples: [ a | b ] indicates that you can choose a, b, or nothing.

  • Page 12: Getting Help

    Getting Help If you need to call the Hitachi Data Systems Support Center, please provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure. • The content of any error message(s) displayed on the host system(s).

  • Page 13: Overview Of Performance Manager

    Overview of Performance Manager The Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM (herein after referred to as USP V/VM) includes a suite of performance management software products that allow you to monitor and tune storage system performance.
  • Page 14 • Specify all volumes belonging to the parity group as the monitoring targets. • Specify all volumes making up the LUSE volume as the monitoring targets. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Overview of Performance Manager...

  • Page 15: Server Priority Manager

    Figure 1-1 Figure 1-2 illustrates and simplifies the performance management process. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center). Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitoring •...
  • Page 16 Use Volume Migration Use Server Priority Manager Figure 1-2 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Start Storage Navigator Start Performance Monitor Set and Start Monitoring Options Use Performance Monitor to gather system usage statistics. Turn Monitoring Options (Long...

  • Page 17: About Performance Manager Operations

    This chapter gives an overview of performance manager operations. Components Overview of Performance Monitor Overview of Server Priority Manager Overview of Export Tool Interoperability with Other Products About Performance Manager Options Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 18 This requires considerable Web client computer memory. It is therefore recommended that you exit the Storage Navigator program to release system memory when not conducting performance management operations. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...

  • Page 19: Understanding Statistical Storage Ranges

    However, some of the usage statistics about resources cannot be collected in long range. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...

  • Page 20: Parity Group Usage Statistics

    When you display usage statistics about resources, you can select the displayed range. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. For more about statistics that can be monitored in short and long ranges, see the description of Performance Management window in Performance Monitor Window.

  • Page 21: Volume Usage Statistics

    RAID level and/or HDD type for the volumes. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. For details on how to view usage statistics about volumes, see Viewing Usage Statistics on Volumes in Parity Groups.

  • Page 22: External Volume Usage Statistics

    Volume Migration to migrate volumes from high-usage parity groups to low-usage parity groups. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. When considering migrating a volume from one parity group to another, take the following steps: 1.
  • Page 23 DKP64-1LL DKP65-1LL DKP66-1LL DKP67-1LL About Performance Manager Options Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Migrating Volumes in USP V Storage System Migrate volumes from parity groups with the following IDs to another parity group: 11-X Migrate volumes from parity groups with the following...
  • Page 24 : The letter "X" is a placeholder for numerical values. For example, "parity group 1-X" indicates parity groups such as 1-1 and 1-2. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Disk Processor Migrating Volumes in USP V Storage System...

  • Page 25: Drr Processor Usage Statistics

    DRR usage values are relatively high. Volume Migration is designed for use with obvious cases of high or unbalanced DKP usage. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center.

  • Page 26: Access Path Usage Statistics

    Paths between disk adapters and the shared memory For details on how to view usage statistics about access paths, see Viewing Usage Statistics on Access Paths. 2-10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide cache switch （CSW） Access Paths About Performance Manager Options...

  • Page 27: Hard Disk Drive Workload Statistics

    30 percent. A higher write hit ratio implies higher processing speed because fewer data transfers are made between devices and the cache memory. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options 2-11...

  • Page 28: Port Traffic Statistics

    Transfer rate is the total transfer rate across all LU paths defined for an LU. • Response Time is the average response time across all LU paths defined for an LU. 2-12 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...

  • Page 29: Traffic Between Hbas And Storage System Ports

    In this sense, production servers should be given higher priority over development servers. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options 2-13...

  • Page 30: Upper-Limit Control

    I/O rate limit for development servers is disabled when the amount of data transferred between the storage system and all the production servers is below 20 MB/s. 2-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...
  • Page 31 1-3[1-4] monitoring data about 1-3[1-4]. Figure 2-2 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Indicates that the subsystem serial number is 60001. The word in parentheses is a code that indicates the subsystem type.
  • Page 32 Do not run multiple instances of the Export Tool simultaneously. If you run multiple instances, the SVP may be overloaded and a timeout error may occur. 2-16 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...

  • Page 33: Performance Monitor

    Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options 2-17...

  • Page 34: Server Priority Manager

    Server Priority Manager. For details on the limitations when using Performance Manager logged in as a storage partition administrator, see Storage Partition Administrators Limitations. 2-18 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...
  • Page 35 Note on using TrueCopy: Server Priority Manager monitors write I/O requests issued from initiator ports of your storage system. About Performance Manager Options Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Period 08:00 - 08:01 08:01 - 08:02...
  • Page 36 Initiator/External ports and Target/RCU Target ports are based on different calculation methods, it is impossible to sum up the statistics of Initiator/External ports and Target/RCU Target ports. 2-20 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide About Performance Manager Options...

  • Page 37: Preparing For Performance Manager Operations

    Preparing for Performance Manager Operations This chapter explains the preparations for performance manager operations. System Requirements Storage Partition Administrators Limitations Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 38: System Requirements

    Performance Manager operations. For details on how to install Performance Monitor and Server Priority Manager, see the Storage Navigator User’s Guide. Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 39: Performance Monitor Limitations

    Monitoring Options window Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Limited function The tree and list display only the information in the SLPR (storage management logical partition) allocated to the user ID.
  • Page 40 Monitoring Options window are not displayed. The WWN tab is not displayed. Figure 3-1 Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide The tree and list display only the information in the SLPR allocated to the user ID.

  • Page 41: Export Tool Limitations

    IBM z/OS cannot be exported. • A storage partition administrator cannot use the set subcommand to start or stop monitoring, or change the gathering interval. Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 42 Preparing for Performance Manager Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 43: Using The Performance Manager Gui

    Using the Performance Manager GUI This chapter explains performance manager windows. Using the Performance Monitor Windows Using the Server Priority Manager Windows Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 44: Performance Monitor Window

    Displays the statistics about traffic at path between host bus adapters and ports. This section explains the contents of the tabs in the Performance Management window and the contents of the Monitoring Options window. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Performance Manager GUI...

  • Page 45: Performance Management Window, Physical Tab

    When Monitoring Switch is Enable, Performance Monitor is monitoring the storage system (Disable indicates that the storage system is not being monitored). Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Physical Tab of the Performance Management Window Using the Performance Manager GUI...
  • Page 46 – In the text box, select the number that you want to change. Next, click the upward or downward arrow button. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Storing Period of Statistics (Physical Tab) to the To box, and then click Apply.
  • Page 47 Management window treats external volume groups same as parity groups for convenience. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide an ESCON channel adapter a FICON channel adapter a Fibre Channel adapter in Standard mode...
  • Page 48 – Previous button allows you to display the previous 4,096 resources. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) can represent a single parity group. The parity appears on the right of the icon. If the parity group icon is connected with the parity group are enclosed by square brackets).
  • Page 49 Volume Migration lets you optimize hard disk drive performance. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center.
  • Page 50 Volume Migration to migrate volumes for balancing workloads based on the monitoring results displayed in the Performance Management window. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. When longrange is selected: •...

  • Page 51: Ldev Tab Of The Performance Monitor Window

    For details on how to use this window, see Monitoring Hard Disk Drives. Figure 4-5 LDEV Tab of the Performance Management Window When the LDEV tab is active, the Performance Management window contains the following items: Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 52 The Real Time option is grayed out when the LDEV tab is active. 4-10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 2006/07/01 10:30 to the To box, and then click Apply.
  • Page 53 Therefore, connected parity groups provide faster access (particularly, faster sequential access) to data. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) can represent a single parity group. The parity 4-11...
  • Page 54 The graph can display up to eight lines simultaneously. 4-12 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide appears on the right of the icon. If the parity group icon Using the Performance Manager GUI...
  • Page 55 Trans. The transfer rate. The size of data transferred per second. : Can be selected (blank): Cannot be selected Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Type of statistics Meaning transfer rate...
  • Page 56 Write Hit Back Trans. Trans. 4-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Chart Y Axis Rate List and Detail Check Box (LDEV Tab) List - statistics in sequential access mode - statistics in random access mode...

  • Page 57: Port-Lun Tab Of The Performance Monitor Window

    When Monitoring Switch is Enable, Performance Monitor is monitoring the storage system (a Disable setting indicates that the system is not being monitored). Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Port-LUN tab of the Performance Management Window Using the Performance Manager GUI...
  • Page 58 1 and 15 minutes. 4-16 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 2007/07/01 10:30 to the To box, and then click Apply. Using the Performance Manager GUI...
  • Page 59 For details of Server Priority Manager, see Overview of Server Priority Manager and Operation. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager ) that correspond to that ) appears.
  • Page 60 – When you select the Subsystem folder ( port in the list. 4-18 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Chart Y Axis Rate List, Detail Check Box, and the List to Select the Item to be Displayed (Port-LUN Tab)
  • Page 61 Ave. (1 min), which appears when Detail is selected. I/O rate（IOPS） 08:00 If the Detail check box is deselected Figure 4-10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide )in the tree and select a LUN (an address of a I/O rate（IOPS） CL1-A Time 10:00...
  • Page 62 * You can select this item only when I/O rates are displayed. 4-20 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) in the tree, select a LUN in the list, click Draw, and - statistics in sequential access mode...

  • Page 63: Wwn Tab Of The Performance Monitor Window

    Adapters and Ports. Figure 4-11 When the WWN tab is active, the Performance Management window contains the following items: Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide WWN tab of the Performance Management Window Using the Performance Manager GUI 4-21...
  • Page 64 1 and 15 minutes. 4-22 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 2007/07/01 10:30 to the To box, and then click Apply. Using the Performance Manager GUI...
  • Page 65 The graph can display up to eight lines simultaneously. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) belonging to that SPM group icon. If you double-click Not Grouped in...
  • Page 66 Y-axis (the vertical axis) of the graph. Figure 4-12 4-24 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Chart Y Axis Rate List, Detail Check Box, and the List to Select the Item to be Displayed (Port-LUN tab)

  • Page 67: Monitoring Options Window

    To display performance statistics of parity group to be displayed in the LDEV tab, you must specify all volumes that belong to the parity group as the monitoring target. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Performance Manager GUI 4-25...
  • Page 68 5 minutes. For example, if you specify the gathering interval to 5 minutes, Performance Monitor gathers statistics (such as I/O rate and transfer rate) every 5 minutes. 4-26 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Monitoring Options Window of Performance Monitor Using the Performance Manager GUI...
  • Page 69 For your information, one cell corresponds to one CU. The relation of the display of a cell to the CU status is shown below: Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide . Click PG on the 4-27...
  • Page 70 1 minute x 1440 = 1440 minutes = 24 hours = 1 day 4-28 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CU Monitoring Status CU is being monitored CU is to be released from monitoring...

  • Page 71: Other Windows

    Universal Replicator. The contents in this window are the same as those of the Usage Monitor window of Universal Replicator. For details on the contents in this window, see the Universal Replicator User's Guide. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Performance Manager GUI 4-29...

  • Page 72: Port Tab Of The Server Priority Manager Window

    The Port tab lets you set the limit on the performance of non-prioritized ports and set the threshold on the performance of prioritized ports. For operations in this tab, see Port Tab Operations. 4-30 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Performance Manager GUI...
  • Page 73 – If Prioritize is selected, only the prioritized ports appear in the list. – If Non-Prioritize is selected, only the non-prioritized ports appear in the list. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 4-31...
  • Page 74 Either the IOPS or MB/s column in the list is activated depending on the selection from the list above. 4-32 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Performance Manager GUI...
  • Page 75 The window will display a hyphen (-) instead of 0 (zero). – If the All Thresholds checkbox is checked, the check mark disappears. • The Close button closes the Server Priority Manager window. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 4-33...

  • Page 76: Wwn Tab Of The Server Priority Manager Window

    Tip: To return the control status to No Control, specify Prio. for attributes of all the host bus adapters and then click Apply. 4-34 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide WWN Tab in the Server Priority Manager Window Using the Performance Manager GUI...
  • Page 77 ), which contain on or more WWNs, are displayed below the Subsystem folder. For details on the SPM groups, see Grouping Host Bus Adapters. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) whose traffics ) below Monitor. WWNs (Worldwide 4-35...
  • Page 78 WWNs, and the number of non-prioritized WWNs. The list shows the following items: 4-36 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) contained in that SPM group. Using the Performance Manager GUI ), the list displays the ) from the ) from the lower-left tree.
  • Page 79 When you select the Subsystem folder in the lower-left tree, the Max. column shows the sum of the traffic of the host bus adapters registered on each SPM group. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 4-37...
  • Page 80 WWNs are disabled when the sum of I/O rates for all the prioritized WWNs is below 128 IOPS. 4-38 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide )is selected in the lower-left tree. Using the Performance Manager GUI...
  • Page 81 – All the host bus adapters become prioritized WWNs. – If the All Thresholds checkbox is checked, the check mark disappears. • The Close button closes the Server Priority Manager window. Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 4-39...
  • Page 82 4-40 Using the Performance Manager GUI Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 83: Performance Monitor Operations

    This chapter explains the following performance monitor operations: Overview of Performance Monitor Operations Monitoring Resources in the Storage System Monitoring Hard Disk Drives Monitoring Ports Monitoring LU Paths Viewing HBA Information Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 84: Start Monitoring

    To display performance statistics of parity group to be displayed in the LDEV tab, you must specify all volumes that belong to the parity group as the monitoring target. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...
  • Page 85 8 hours if you specify the gathering interval to 5 minutes, and the statistics can be stored for 1 day if the interval is specified to 15 minutes. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 86: View The Monitoring Results

    Figure 5-2 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Management Window Performance Monitor Operations...
  • Page 87 (every 1 to 15 minutes). You cannot view the monitoring results displayed in the Physical tab and the LDEV tab in real time. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide , you can view usage statistics for 2007/03/28 16:00...

  • Page 88: Starting And Stopping Storage System Monitoring

    Select. 6. Click Apply. Performance Monitor starts monitoring the storage system. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide icon is light yellow. If the background color is gray, the , you will not be able to switch from icon.
  • Page 89 2. In Monitoring Switch, select Disable for the Current Status option. The Gathering Interval list is unavailable. 3. Click Apply. Performance Monitor stops monitoring the storage system. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 90: Viewing Usage Statistics On Parity Groups

    Migration or ShadowImage, or formatted by Virtual LVI or Open Volume Management). For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Centeri. – If a plus mark (+) is displayed before a usage rate 0, such as "...
  • Page 91 (CLPRs) corresponding to each parity group in the format "CLPR- number CLPR-name". For details on CLPRs, see the Virtual Partition Manager User's Guide. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed to the left of a parity...

  • Page 92: Viewing Usage Statistics On Volumes In Parity Groups

    This enables you to confirm the estimated usage rate of parity groups after migration. For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. If you want to examine the ratio of ShadowImage processing, and so on, to all the processing in the physical drive, select shortrange.
  • Page 93 ShadowImage, or formatted by Virtual LVI or Open Volume Management). For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center. If a plus mark (+) is displayed before a usage rate 0, such as "...
  • Page 94 The Max. column indicates an estimated change in the maximum usage rate. 5-12 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of a volume, Performance Monitor Operations...
  • Page 95 – Compatible FlashCopy – Compatible FlashCopy V2 – Volume Migration (For information on using Volume Migration, contact the Hitachi Data Systems Support Center (see Calling the Hitachi Data Systems Support Center.) – Copy-on-Write Snapshot The Ave. (Total) column displays the average percentage of processing of the above programs in the specified period.

  • Page 96: Viewing Usage Statistics On External Volume Groups

    Note: The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis. Figure 5-5 5-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of Usage Statistics of an External Volume Group Usages Displayed in the List Performance Monitor Operations...
  • Page 97 "CLPR-number For details on CLPRs, see the Virtual Partition Manager User's Guide. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of an CLPR-name".

  • Page 98: Viewing Usage Statistics On External Volumes In External Volume Groups

    Performance Management Window, Physical Tab). 6. To display a graph illustrating changes in usage rate for external volumes, select the desired external volumes in the list and then click Draw. 5-16 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...
  • Page 99 "CLPR-number Virtual Partition Manager User's Guide. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of a external CLPR-name". For details on CLPRs, see the 5-17...

  • Page 100: Viewing Usage Statistics On Channel Processors

    Draw. Note: The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis. 5-18 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...

  • Page 101: Viewing Usage Statistics On Disk Processors

    From and To boxes. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of Channel Processors Usage Rates Displayed is displayed on the left of a channel...
  • Page 102 – The Max. column displays the maximum usage rate in the specified period. 5-20 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of Disk Processor Usage Rates Displayed is displayed on the left of a disk Performance Monitor Operations...

  • Page 103: Viewing Usage Statistics On Data Recovery And Reconstruction Processors

    Note: The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis. Figure 5-9 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of DRR Usage Rates Displayed in the List Performance Monitor Operations...

  • Page 104: Viewing Write Pending And Cache Memory Usage Statistics

    From and To, use the arrow buttons and the sliders (for details, see Performance Management Window, Physical Tab). 5-22 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of a DRR, Performance Monitor Operations...
  • Page 105 Examples of write pending rate displayed in the lists are shown below: When selecting longrange for storing period of statistics: When selecting shortrange for storing period of statistics: Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 5-23...

  • Page 106: Viewing Usage Statistics On Access Paths

    1. Ensure that the Performance Management window is displayed. 2. In the tree, click the Physical tab. 5-24 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of Write Pending Rate and Cache Usage Rate Displayed CLPR-name". For details on CLPRs,...
  • Page 107 Note: The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis. Paths between adapters and cache switches: Paths between adapters and shared memories: Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 5-25...
  • Page 108 In addition, the LDEV tab displays the read hit ratio and the write hit ratio. 5-26 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Examples of Usage Statistics Displayed in the List is displayed on the left of the...

  • Page 109: Viewing I/O Rates For Disks

    The list on the right displays the I/O rate for each volume in the selected group. The displayed statistics are the average and the maximum I/O rates for the period specified in the From and To boxes. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations 5-27...
  • Page 110 Detail check box to view detailed information. I/O rate for parity groups and external volume groups (When the Subsystem folder is selected): 5-28 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...
  • Page 111 IO Rate: Indicates the number of I/O requests to the parity group, the external volume group, or the volume per second. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of an item, 5-29...

  • Page 112: Viewing Transfer Rates For Disks

    Subsystem folder or a Box folder. The list on the right displays the transfer rate for each group. 5-30 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CLPR-name". For details on CLPRs, see the Virtual Partition Performance Monitor Operations...
  • Page 113 Next, select the Detail check box at the lower right of the list and then click Draw. The detailed graph contents change as described in Table 4-2. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 5-31...
  • Page 114 If you want to monitor those items, specify the CU as the monitoring target by using the Monitoring Option window. The list displays the following: 5-32 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Transfer Rates for Disks Performance Monitor Operations...
  • Page 115 "CLPR-number CLPR-name". For details on CLPRs, see the Virtual Partition Manager User's Guide. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of an item, 5-33...

  • Page 116: Viewing I/O Rates For Ports

    If you click the Target folder the tree displays a list of ports on the storage system. If you click a port icon (for example, ) corresponding to that port appear. Tips: 5-34 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations ), the host groups...
  • Page 117 I/O rate for host bus adapters connected to a specified port (When a port ((for example, Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) in the tree, the list ) in the tree, the list displays I/O rates for ) is selected): All Prio.
  • Page 118 Attribute: Indicates the priority of each port. Prio. indicates a prioritized port. Non-Prio. indicates a non-prioritized port. 5-36 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide )is selected): I/O Rates for Ports is displayed on the left of an item,...

  • Page 119: Viewing Transfer Rates For Ports

    If you click the Target folder, the tree displays a list of ports on the storage system. If you click a port icon (for example, host groups ( Tips: Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) corresponding to that port appear. Performance Monitor Operations ), the...
  • Page 120 Transfer rate for ports (When the Target folder is selected): I/O rate for ports (When the Initiator/External folder is selected): 5-38 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) in the tree, the list displays transfer Performance Monitor Operations ) in the tree, the list All Prio.
  • Page 121 Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) is selected): is displayed on the left of an item,...

  • Page 122: Viewing Details About The I/O And Transfer Rates

    4. Click Draw. The graph that is not in detail is displayed. 5. Select the Detail check box The graph contents change as described in Figure 4-10. 5-40 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...

  • Page 123: Viewing Lu Paths I/O Rates

    The LUN icon ( 6. Select LUN. The list on the right displays a list of LU paths and I/O rates. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) appears. Performance Monitor Operations ) and then select a...
  • Page 124 Ave.: Indicates the average I/O rate for the specified period. • Max.: Indicates the maximum I/O rate for the specified period. 5-42 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide I/O Rates for LU Paths Performance Monitor Operations is displayed on the left of an item,...

  • Page 125: Viewing Lu Paths Transfer Rates

    200 and the value in Chart Y Axis Rate is 100, you should select a value larger than 200 from Chart Y Axis Rate. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) appears.
  • Page 126 Monitoring Term is displayed. This column displays a hyphen (-) if the I/O rate is 0 (zero). 5-44 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Transfer Rates for LU Paths Performance Monitor Operations is displayed on the left of an item,...

  • Page 127: Monitoring Paths Between Host Bus Adapters And Ports

    For details on the Real Time option and the From option, see WWN Tab of the Performance Monitor Window. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ). Below that list, an item named ) in the SPM group, double-click an...
  • Page 128 Monitoring All Traffic between HBAs and Ports. I/O rate at host bus adapters (Displayed when an SPM group or Not Grouped is selected): 5-46 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) in the tree, the list displays the I/O Performance Monitor Operations...
  • Page 129 Attribute: Indicates the priority of each host bus adapter (HBA). Prio. indicates a high-priority HBA (a prioritized WWN). Non-Prio. indicates a low-priority HBA (a non-prioritized WWN). Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of an item, 5-47...

  • Page 130: Viewing Transfer Rates Between Hbas

    In the list, select one or more SPM groups, WWNs, or ports. 5-48 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ). Below SPM groups, an item ) in the SPM group, double-click an...
  • Page 131 : When the green checkmark icon the graph displays changes in workload statistics about the item. • Group: Indicates SPM groups. Performance Monitor Operations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide is displayed on the left of an item, 5-49...
  • Page 132 Attribute: Indicates the priority of each host bus adapter (HBA). Prio. indicates a high-priority HBA (a prioritized WWN). Non-Prio. indicates a low-priority HBA (a non-prioritized WWN). 5-50 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Performance Monitor Operations...

  • Page 133: Server Priority Manager Operation

    Server Priority Manager Operation This chapter explains the following server priority manager operations: Overview of Server Priority Manager Operations Port Tab Operations WWN Tab Operations Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 134 Note: Host bus adapters (HBAs) are adapters contained in hosts and serve as host ports for connecting the hosts and the storage system. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...

  • Page 135: If One-To-One Connections Link Hbas And Ports

    Note: Throughout this manual, the term prioritized port is used to refer to a high-priority port. The term non-prioritized port is used to refer to a low- priority port. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Production servers Development servers （high priority）...
  • Page 136 For detailed information about monitoring traffic, see Setting Priority for Ports on the Storage System and Analyzing Traffic Statistics. I/O rate （IO/s） Figure 6-3 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Priority Specified in the Server Priority Manager Window Traffic at Ports Server Priority Manager Operation Prio.
  • Page 137 I/O rates for all prioritized ports (1A and 1C) goes below 500 IO/s. For details on how to set a threshold, see Upper-Limit Control. Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 138: If Many-To-Many Connections Link Hbas And Ports

    (wwn01, wwn02, and wwn03). Place the host bus adapter icons of wwn01, wwn02, and wwn03 below the Monitor icons for all the four port icons. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Production server (high priority)
  • Page 139 (i.e. ports 1A, 1C, 2A, and 2C). b. Set Prio. to wwn01. Also, set Non-Prio. to wwn02 and wwn03. Figure 6-6 Priority Specified in the Server Priority Manager Window Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 140 I/O rate for the prioritized WWN (wwn01) at 400 IO/s. For more information about monitoring traffic, see Setting Priority for Host Bus Adapters and Analyzing Traffic Statistics. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...
  • Page 141 1A and the non-prioritized WWNs. For details on how to set an upper limit, see Setting Priority for Ports on the Storage System. Figure 6-8 Setting Upper Limits Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide prioritized WWN （wwn01） non-prioritized WWN （wwn02 and wwn03）...
  • Page 142 The following table shows the relationship between the thresholds and the upper limits. 6-10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) and the threshold for the prioritized port becomes Server Priority Manager Operation...

  • Page 143: Starting Server Priority Manager

    3. Ensure that the Real Time option is cleared. You cannot start Server Priority Manager in real-time mode. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide A Number Other Than Zero Is Set to The Upper Limit of The Non-prioritized...
  • Page 144 – Use the WWN tab if many-to-many connection is established between host bus adapters and storage system ports. For details on operations in the WWN tab, see WWN Tab Operations. 6-12 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...

  • Page 145: Analyzing Traffic Statistics

    2. Select the Port tab. 3. Select All from the list at the top right corner of the window. 4. Do one of the following: Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation 6-13...

  • Page 146: Setting Priority For Ports On The Storage System

    Setting Upper-Limit Values to Traffic at Non-prioritized Ports. 6. Click Apply. The settings on the window are applied to the storage system. 6-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...

  • Page 147: Setting Upper-Limit Values To Traffic At Non-Prioritized Ports

    You can specify different types of rates (IOPS or MB/s) for the upper limit values of different non-prioritized ports. The upper limit value that you entered is displayed in blue. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation 6-15...

  • Page 148: Setting A Threshold

    You can use different types of rates (IOPS or MB/s) for thresholds of different prioritized ports. 6-16 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...
  • Page 149 Analyze traffic statistics • Measure traffic between host bus adapters and storage system ports Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) and the threshold for the prioritized port becomes A Number Other Than Zero Is Set to The...

  • Page 150: Monitoring All Traffic Between Hbas And Ports

    The Add WWN window is displayed. This window lets you add a WWN of a host bus adapter to Monitor. 7. In the Add WWN window, specify the WWN and the SPM name. 6-18 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...
  • Page 151 SPM name. You can specify up to 16 characters for an SPM name. Note: Hitachi Data Systems recommends that you specify the same names for the SPM names and the nicknames of the host bus adapters for convenience of host bus adapter management. Nicknames are aliases of host bus adapters defined by LUN Manager.
  • Page 152 Delete WWN from the pop-up menu. If you are using Windows, you can drag and drop the desired WWNs from Monitor to Non-Monitor. 6-20 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Add WWN Window Server Priority Manager Operation...

  • Page 153: Analyzing Traffic Statistics

    – To analyze I/O rates, select IOPS from the list at the upper left corner. – To analyze transfer rates, select MB/s from the list at the upper left corner of the list. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation 6-21...

  • Page 154: Setting Priority For Host Bus Adapters

    The Server Priority Manager window is displayed. 2. Select the WWN tab. 3. Select All from the list at the top right corner of the window. 6-22 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...
  • Page 155 The settings on the window are applied to the storage system. Follow the instructions in Starting and Stopping Storage System Monitoring to measure traffic (i.e.. I/O rates and transfer rates). Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide 6-23...

  • Page 156: Setting Upper-Limit Values For Non-Prioritized Wwns

    – To limit the I/O rate of the non-prioritized WWN, double-click the desired cell in the IOPS column in Upper. Next, enter the upper limit value in the cell. 6-24 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation...

  • Page 157: Setting A Threshold

    To set a threshold value: 1. Start Server Priority Manager. The Server Priority Manager window is displayed. 2. Select the WWN tab. 3. Select the All Thresholds check box. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation 6-25...

  • Page 158: Changing The Spm Name Of A Host Bus Adapter

    16 characters for an SPM name. 6. In the Server Priority Manager window, click Apply. The settings in the window are applied to the storage system. 6-26 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Server Priority Manager Operation ) from below Monitor...

  • Page 159: Replacing A Host Bus Adapter

    8. In the Server Priority Manager window, click Apply. The settings in the window are applied to the storage system. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Change WWN and SPM Name Window Server Priority Manager Operation...

  • Page 160: Grouping Host Bus Adapters

    SPM group. 7. Click Apply. 6-28 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide from the upper-left tree and select an SPM group from Server Priority Manager Operation ) is added to the lower-left...
  • Page 161 4. Do one of the following: – To switch priority from prioritized to non-prioritized, select Prio ->> Non-Prio from the pop-up menu. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Add New SPM Group Window Server Priority Manager Operation...
  • Page 162 To assign an upper limit to the transfer rate, enter the upper limit value and then select MB/s from the list. Next, select OK. 6-30 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ), take the following steps: Server Priority Manager Operation...
  • Page 163 Deleting an SPM Group If you want to delete an SPM group, take the following steps: To delete an SPM group: Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Change Upper Limit Window Rename SPM Group Window Server Priority Manager Operation...
  • Page 164 4. Select Delete SPM Group from the pop-up menu. 5. In the Server Priority Manager window, click Apply. The settings in the window are applied to the storage system. 6-32 Server Priority Manager Operation Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 165: Using The Export Tool

    Using the Export Tool This chapter explains using the Export Tool. Files to be Exported Preparing for Using the Export Tool Using the Export Tool Command Reference Using the Export Tool Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 166 TC Monitor window TCz Monitor window UR Monitor window URz Monitor window Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Monitoring Data Statistics about resource usage and write pending rates Statistics about parity groups, external volume groups, or V-...
  • Page 167 PhyExG_dat.ZIP PhyExLDEV_dat.ZIP PhyProc_dat.ZIP PhyCSW_dat.ZIP Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Monitoring Data Statistics about remote copy operations by Universal Replicator and Universal Replicator for IBM z/OS (for each volume (LU)) Statistics about remote copy operations by Universal Replicator...
  • Page 168 Both long range and short range statistics are stored for resource usage and write pending rates. Table 7-3 Files with Statistics about Parity Groups, External Volume Groups or V-VOL Groups ZIP File PG_dat.ZIP Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File PHY_Short_MPA_CSW.csv PHY_Long_MPA_SMA.csv PHY_Short_MPA_SMA.csv PHY_Long_CSW_CMA.csv PHY_Short_CSW_CMA.csv...
  • Page 169 Files with Statistics about Volumes in Parity / External Volume Groups, or in V-VOL Groups ZIP File LDEV_IOPS.ZIP LDEV_TransRate.ZIP LDEV_Read_IOPS.ZIP LDEV_Seq_Read_IOPS.ZIP LDEV_Rnd_Read_IOPS.ZIP LDEV_CFW_Read_IOPS.ZIP LDEV_Write_IOPS.ZIP Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File PG_CFW_Write_IOPS.csv PG_Read_Hit.csv PG_Seq_Read_Hit.csv PG_Rnd_Read_Hit.csv PG_CFW_Read_Hit.csv PG_Write_Hit.csv PG_Seq_Write_Hit.csv PG_Rnd_Write_Hit.csv PG_CFW_Write_Hit.csv...
  • Page 170 The letters "x-y" in CSV filenames indicate a parity group. For example, if the filename is LDEV_IOPS_1-2.csv, the file contains the I/O rate for each volume in the parity group 1-2. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File LDEV_Seq_Write_IOPS_x-y.csv...
  • Page 171 I/O rate for each host bus adapter connected to the CL1-A port. If files are exported to a Windows computer, CSV filenames may end with numbers (for example, PortWWN_1A_IOPS-1.csv and PortWWN_1a_IOPS-2.csv). Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File Port_IOPS.csv Port_KBPS.csv...
  • Page 172 Note: 1 microsecond is one-millionth of 1 second. Table 7-8 Files with Statistics about SPM Groups ZIP File PPCG_dat.ZIP Note: 1 microsecond is one-millionth of 1 second. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File LU_IOPS.csv LU_TransRate.csv LU_Seq_Read_IOPS.csv LU_Rnd_Read_IOPS.csv LU_Seq_Write_IOPS.csv...
  • Page 173 The letters "xx" in CSV filenames indicate the name of an SPM group. If files are exported to a Windows computer, CSV filenames may end with numbers (for example, PPCGWWN_mygroup_IOPS-1.csv and PPCGWWN_MyGroup_IOPS-2.csv). Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File PPCGWWN_xx_IOPS.csv PPCGWWN_xx_KBPS.csv...
  • Page 174 Files with Statistics about Remote Copy Operations by TC and TC for IBM z/OS (for each Volume (LU)) ZIP File RCLU_dat.ZIP 7-10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File RemoteCopy.csv CSV File RCLU_All_RIO.csv Using the Export Tool...
  • Page 175 ZIP File Note: 1 millisecond is one-thousandth of 1 second. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File RCLU_All_Read.csv RCLU_All_Write.csv RCLU_RIO_Error.csv RCLU_Initial_Copy_RIO.csv RCLU_Initial_Copy_Hit.csv RCLU_Initial_Copy_Transfer.csv RCLU_Initial_Copy_Response.cs RCLU_Migration_Copy_RIO.csv RCLU_Migration_Copy_Hit.csv RCLU_Update_Copy_RIO.csv RCLU_Update_Copy_Hit.csv RCLU_Update_Copy_Transfer.c RCLU_Update_Copy_Response. RCLU_Restore_Copy_RIO.csv RCLU_Restore_Copy_Hit.csv RCLU_Asynchronous_RIO.csv RCLU_Recordset.csv RCLU_Asynchronous_Copy_Tra nsfer.csv...
  • Page 176 RCLDEV_Restore_Copy_RIO.ZI RCLDEV_Restore_Copy_Hit.ZI RCLDEV_Asynchronous_RIO.ZI RCLDEV_Recordset.ZIP RCLDEV_Asynchronous_Copy_ Transfer.ZIP RCLDEV_Asynchronous_Copy_ Response.ZIP RCLDEV_Scheduling_Recordset .ZIP RCLDEV_Scheduling_Miss_Rec ordset.ZIP RCLDEV_Remained_Recordset. RCLDEV_Scheduling_Attempt. 7-12 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File RCLDEV_All_RIO_xx.csv RCLDEV_All_Read_xx.csv RCLDEV_All_Write_xx.csv RCLDEV_RIO_Error_xx.csv RCLDEV_Initial_Copy_RIO_xx. RCLDEV_Initial_Copy_Hit_xx.c RCLDEV_Initial_Copy_Transfer _xx.csv RCLDEV_Initial_Copy_Respons e_xx.csv RCLDEV_Migration_Copy_RIO_ xx.csv RCLDEV_Migration_Copy_Hit_ xx.csv...
  • Page 177 Files with Statistics about Remote Copy Operations by UR and UR for IBM z/OS (In the Whole Volumes) ZIP File UniversalReplicator.ZIP Note: 1 millisecond is one-thousandth of 1 second. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File RCLDEV_Pair_Synchronized_xx .csv RCLDEV_Out_of_Tracks_xx.cs CSV File RCCLPR_SideFile.csv...
  • Page 178 Files with Statistics about Remote Copy Operations by UR and UR for IBM z/OS (At Journal Groups) ZIP File URJNL_dat.ZIP Note: 1 millisecond is one-thousandth of 1 second. 7-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File URJNL_Write_Record.csv URJNL_Write_Transfer.csv URJNL_Initial_Copy_Hit.csv URJNL_Initial_Copy_Transfer.c URJNL_M- JNL_Asynchronous_RIO.csv...
  • Page 179 : The letters "xx" in CSV filenames indicate a CU image number. For example, if the filename is URLDEV_Read_Record_10.csv, the file contains the number of read I/Os (per second) of the volumes controlled by the CU whose image number is 10. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide CSV File URLU_Read_Record.csv URLU_Read_Hit.csv...

  • Page 180: Requirements For Using The Export Tool

    If you specify "storage administrator" for the user ID, all the monitoring data described from Table 7-2 to Table 7-17 can be saved into files. 7-16 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...

  • Page 181: Installing The Export Tool On A Windows Computer

    It is recommended that you delete runUnix.bat because this file is no longer needed. The Export Tool program is a Java class file and is located in the export\lib directory. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool Computer. 7-17...

  • Page 182: Installing The Export Tool On A Unix Computer

    It is recommended that you delete runWin.bat because this file is no longer needed. The Export Tool program is a Java class file and is located in the export/lib directory. 7-18 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...

  • Page 183: Preparing A Command File

    Subcommand. • login expusr passwd Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ; Specifies IP address of SVP ; Logs user into SVP ; Outputs storing period to standard output ;...
  • Page 184 For detailed information about the show subcommand, see show Subcommand. • group PhyPG Long and group RemoteCopy 7-20 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 185 PhyPG Long subcommand in this example. When you run the Export Tool, it will export the usage statistics about parity groups in the term specified by the long-range subcommand. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-21...

  • Page 186: Preparing A Batch File

    Java command executes subcommands specified in your command file and then saves monitoring data in files. Batch file for Windows computers (runWin.bat) 7-22 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide short-range subcommand, see long-range subcommand, see long- Using the Export Tool...
  • Page 187 If the IP address of the proxy host is 158.211.122.124 and the port number is 8080, the resulting command script is as follows: Batch file for Windows computers (runWin.bat) Java -classpath "./lib/JSanExport.jar;./lib/JSanRmiServerSx.jar" Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide -Dmd.command=command.txt -Dmd.logpath=log -Dmd.command=command.txt -Dmd.logpath=log Using the Export Tool -Dhttp.proxyHost=Jupiter...

  • Page 188: Running The Export Tool

    (!) is issued to the standard output and the Export Tool attempts to restart exporting data. If the export processing restarts, dots reappear and increment until export processing finishes. 7-24 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide -Xmx536870912 -Dmd.command=command.txt -Dmd.logpath=log -Xmx536870912 -Dmd.command=command.txt -Dmd.logpath=log...
  • Page 189 Array is refreshing, or the settings by the user are registered. 0002 5510 The storage system is in internal process, or some other user is changing configuration. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Displays the currently-running subcommand Displays the currently-running subcommand Displays the currently-running subcommand...
  • Page 190 For example, if you want to export statistics spanning 24 hours, run the tool eight times to export statistics in three hour increments. 7-26 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Cause of Error Now processing. Another user has lock.
  • Page 191 Export Tool. The Export Tool returns a termination code when the Export Tool finishes. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide This estimate assumes that the Export Tool should save statistics about 128 ports within a 24-hour period.
  • Page 192 Figure 7-7 Note: The " " symbol indicates the end of a command line. 7-28 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Example of a Batch File Including References to Termination Codes Using the Export Tool...

  • Page 193: Command Reference

    Starts or ends monitoring the storage system, and also specifies the gathering interval in short range monitoring. help Displays the online help for subcommands. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Function Using the Export Tool svpip Subcommand...

  • Page 194: Command Syntax

    [directory] compress [yes|no] answer {yes|no} ports [name][ ...] 7-30 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Syntax Descriptions The Syntax Indicates that You Can Write the Following Script connect 123.01.22.33 destination destination c:\temp compress...
  • Page 195 Help, you must use the help subcommand of the Export Tool. For detailed information about how to use the help subcommand, see help Subcommand. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ;;;; ; IP address of SVP ;...

  • Page 196: Svpip Subcommand

    ("). Example The following example specifies the IP address of the SVP as 158.214.127.170. svpip 158.214.127.170 7-32 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...

  • Page 197: Retry Subcommand

    10. svpip 158.214.135.57 retry time=5 count=10 login expusr passwd show group Port short-range 200604010850:200604010910 outpath out option compress apply Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-33...

  • Page 198: Login Subcommand

    ("). Example This example logs the user expusr into the SVP whose IP address is 158.214.127.170. The password is pswd. svpip 158.214.127.170 login expuser pswd 7-34 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...

  • Page 199: Show Subcommand

    15-minute intervals. Storing periods output by the show subcommand is the same as the information displayed in the Monitoring Term area of the Performance Management window. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-35...
  • Page 200 The show subcommand outputs the period from May 2, 2006, 03:12 to May 3, 2006, 03:12. Figure 7-9 The login command must execute before the show subcommand executes. 7-36 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Information output by the show subcommand Using the Export Tool...

  • Page 201: Group Subcommand

    Operands of the group Subcommand and Saved Monitoring Data Operand PhyPG Physical tab in Performance PhyLDEV Management Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide [parity-group-id|V-VOL-group-id |exg-id]][ …]| [parity-group-id|V-VOL-group-id|exg-id]][ …]| Window of Monitoring Data Saved in Performance the File Monitor...
  • Page 202 TC Monitor window and TCz Monitor window RCLU RCLDEV RCCLPR 7-38 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Window of Monitoring Data Saved in Performance the File Monitor Usage conditions about external volume groups Usage conditions about...
  • Page 203 In the example below, the first group subcommand does not take effect, but the second group subcommand takes effect: group PortWWN CL1-A:CL1-B group PortWWN CL2-A:CL2-B Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Monitoring Data Saved in the File Statistics about remote...
  • Page 204 PhyLDEV 1-1:1-5 , but you cannot specify PhyLDEV 1-5:1-1 . Also, you can specify PhyLDEV 1-5:2-1 , but you cannot specify PhyLDEV 2-1:1-5 . 7-40 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 205 Physical tab of the Performance Management window: – Usage rates of channel processors – Usage rates of disk processors – Usage rates of DRRs (data recovery and reconstruction processors) Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-41...
  • Page 206 (i.e., up to 93 days). If neither Short nor Long is specified, statistics in both the short and long range are exported. 7-42 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 207 When statistics are exported to a ZIP file, multiple ZIP files whose names are beginning with LDEV_ will be output. For details on the statistics exported by this operand, see Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-43...
  • Page 208 Port-LUN tab of the Performance Management window. When statistics are exported in a ZIP file, the file name will be Port_dat.ZIP. For details on the statistics exported by this operand, see 7-44 Using the Export Tool Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 209 When statistics are exported in a ZIP file, the file name will be LU_dat.ZIP. For details on the statistics exported by this operand, see Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-45...
  • Page 210 Grouped to indicate statistics about these host bus adapters. If SPM-group-name is not specified, the monitoring data of all the SPM groups will be exported. 7-46 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 211 WWN tab of the Performance Management window. When statistics are exported in a ZIP file, the file name will be PPCGWWN_dat.ZIP. For details on the statistics exported by this operand, see Using the Export Tool 7-47 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 212 CL1-A < CL1-B < … < CL2-A < CL2-B < … < CL3-a < CL3-b < … < CL4- a < … < CL4-r 7-48 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 213 ZIP file, multiple ZIP files whose names are beginning with RCLDEV_ will be output. For details on the statistics exported by this operand, see Using the Export Tool 7-49 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 214 JNL-group-id is a journal group number. The colon (:) indicates a range. For example, 00:05 indicates journal groups from 00 to 05. 7-50 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 215 Universal Replicator for IBM z/OS at each volume(LU). When statistics are exported to a ZIP file, the file name will be URLU_dat.ZIP. For details on the statistics exported by this operand, see Using the Export Tool 7-51 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 216 If LDKC-CU-id is not specified, the monitoring data of all the volumes will be exported. Examples The following example exports statistics about host bus adapters and SPM groups: group PortWWN group PPCG 7-52 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 217 LDEV:1-3 The following example exports statistics about LU paths for the host group (host storage domain) ID 01 for the port CL1-A: group LU CL1-A.01:CL1-A.01 Using the Export Tool 7-53 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 218: Short-Range Subcommand

    The starting and ending times for colleting monitoring data are displayed in the Monitoring Term area in the Performance Management window. 7-54 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 219 10 minutes. The time on the right will remain unchanged because the last two digits of the time is a multiple of 10 minutes. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Starting time for Ending time for...
  • Page 220 The Export Tool saves monitoring data within the range of Jan. 1, 1:01- 22:59. short-range 200601010900+0130:200601011700-0130 The Export Tool saves monitoring data within the range of Jan. 1, 10:30- 15:30. 7-56 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 221 The Export Tool saves monitoring data within the range of Jan. 1, 7:30- 18:30. short-range 200601010900-0130: The Export Tool saves monitoring data within the range of Jan. 1, 7:30 to Jan. 2, 00:00. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-57...

  • Page 222: Long-Range Subcommand

    Specify the term within " Long Range From XXX To XXX" which is output by the show subcommand. 7-58 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Monitoring Data Using the Export Tool Operands of the group subcommand...
  • Page 223 Also, the value on the right of the colon will be rounded up to one of the four values. For example, if you specify 200601010013:200601010048, the specified value is regarded as 200601010000:200601010100. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Starting time for Ending time for collecting statistics...
  • Page 224 The Export Tool saves monitoring data within the range of Jan. 1, 10:30- 15:30. long-range 200601010900-000130:200601011700+000130 The Export Tool saves monitoring data within the range of Jan. 1, 7:30- 18:30. long-range 200601010900-000130: 7-60 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 225 The Export Tool saves monitoring data within the range of Jan. 1, 7:30 to Jan. 2, 00:00. Using the Export Tool 7-61 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...

  • Page 226: Outpath Subcommand

    The following example saves files in the out directory in the current directory: outpath out 7-62 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide ) in the character string enclosed by double quotation marks, Using the Export Tool...

  • Page 227: Option Subcommand

    Deletes existing files and directories and then saves monitoring data in files. noclear Overwrites existing files and directories. Example The following example saves monitoring data in CSV files, not in ZIP files: option nocompress Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-63...

  • Page 228: Apply Subcommand

    If any user is logged on in Modify mode, ask the user to switch to View mode. • Wait until maintenance operations finish at the SVP, so that the set subcommand can execute. 7-64 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 229 The following command file starts monitoring remote copy operations. The sampling time interval is 10 minutes: svpip 158.214.135.57 login expusr passwd set switch=10 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-65...

  • Page 230: Help Subcommand

    This Java command starts the Export Tool. To start the Export Tool, you must write this Java command in your batch file and then run the batch file. 7-66 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool...
  • Page 231 MMddHHmmss indicates when the Export Tool executed. For example, the log file export0101091010.log contains log information about Export Tool execution at Jan. 1, 09:10:10. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Using the Export Tool 7-67...
  • Page 232 Java -classpath "./lib/JSanExport.jar;./lib/JSanRmiServerSx.jar" -Xmx536870912 - Dmd.command=command.txt -Dmd.logfile=export.log -Dmd.logpath=log sanproject.getmondat.RJMdMain In the above script, the " " symbol indicates the end of a command line. 7-68 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide -Xmx536870912 -Dmd.command=command.txt -Dmd.logpath=log Using the Export Tool...
  • Page 233 CSV file includes "-3". The monitoring data in the CSV file includes "-4". Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes The value "-1" indicates that Performance Monitor failed to obtain monitoring data. Probable reasons are: Performance Monitor attempted to obtain statistics when an operation for rebooting the disk array is in progress.
  • Page 234 The monitoring data in the CSV file includes "-5". 7-70 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes When the CU number is not the monitoring target, Performance Monitor cannot obtain monitoring data from the CU.

  • Page 235: Troubleshooting

    Navigator, see the Storage Navigator User’s Guide and Storage Navigator Messages. Troubleshooting Performance Monitor Troubleshooting Server Priority Manager Troubleshooting the Export Tool Calling the Hitachi Data Systems Support Center Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Troubleshooting Troubleshooting...
  • Page 236 Although Monitoring Switch is set to Enable, the monitoring data is not updated: Because the time setting of SVP is changed, the monitoring data might not be updated. Set Monitoring Switch to Disable, and set Monitoring Switch to Enable again. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Troubleshooting...
  • Page 237 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes and Recommended Action The path to the Java Virtual Machine (Java.exe) might not be defined in the PATH environment variable. If this is true, you must add that path to the PATH environment variable.
  • Page 238 Table 8-2 lists the Export Tool messages and recommended actions against errors. Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes and Recommended Action If the error message ID is (0001 4011), the user is forcibly logged off and the processing stops because the Export Tool did not issue any request to the SVP.
  • Page 239 Missing svpip Missing time range Missing user ID Out of range: range Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes and Recommended Action Connection to the server has not been established. Use the login subcommand. Execution stops. Remove errors.
  • Page 240 (y/n) Specify the following subcommand before login subcommand: retry Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes and Recommended Action The user ID does not have the required permission. The user ID needs to have at least one of permissions for Performance Monitor, TrueCopy, TrueCopy for IBM z/OS, Universal Replicator, and Universal Replicator for IBM z/OS.
  • Page 241 Start gathering group data Target = xxx, Total = yyy End gathering group data Syntax error: "line" Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Probable Causes and Recommended Action The Export Tool starts collecting data specified by the group subcommand.

  • Page 242: Calling The Hitachi Data Systems Support Center

    Calling the Hitachi Data Systems Support Center If you need to call the Hitachi Data Systems Support Center, please provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure. • The exact content of any error messages displayed on the host system(s).

  • Page 243: Acronyms And Abbreviations

    LU size expansion megabyte (see network storage controller nonvolatile storage petabyte (see Acronyms and Abbreviations Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Convention for Storage Capacity Convention for Storage Capacity Convention for Storage Capacity Convention for Storage Capacity Values)
  • Page 244 (see TrueCopy TrueCopy for IBM z/OS Universal Replicator Universal Storage Platform Virtual LVI/LUN V-VOL virtual volume (Snapshot Image) world-wide name Acronyms-2 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide Convention for Storage Capacity Acronyms and Abbreviations Values)
  • Page 245 WWN, 6-8, 6-22 parity group, 2-4 Performance Manager system requirements, 3-2 prioritized port, 6-3, 6-14 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide prioritized WWN, 6-8, 6-22 production server, 2-13 read hit ratio, 2-11, 5-26 real-time mode, 4-16...
  • Page 246 Index-2 Index Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 247 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide...
  • Page 248 Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 www.hds.com [email protected] Asia Pacific and Americas 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 [email protected] Europe Headquarters...

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