HP LTO-4 Technical Reference Manual
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HP LTO-4 Technical Reference Manual

HP LTO-4 Technical Reference Manual

Lto ultrium tape drives
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See also: User Manual , Technical Reference Manual
HP LTO Ultrium tape drives
technical reference manual
LTO 4 FC, SCSI and SAS drives
volume 4: specifications
Edition 1, June 2007
HP restricted
Table of Contents
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Summary of Contents for HP LTO-4

  • Page 1 HP LTO Ultrium tape drives technical reference manual LTO 4 FC, SCSI and SAS drives volume 4: specifications Edition 1, June 2007 HP restricted...
  • Page 2 Legal and notice information © Copyright 2007 Hewlett-Packard Development Company, L.P. Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

  • Page 3: Table Of Contents

    Contents Related documents ............5 Documents specific to HP LTO Ultrium drives .
  • Page 4 7 Media ........... . . 23 Specification .

  • Page 5: Related Documents

    Related documents This is one of six volumes that document HP LTO Ultrium drives. This volume gives specifications for the following products. The capacities are using hardware data compression with a compression ratio of 2:1 where applicable: HP LTO Ultrium 4 Fibre Channel tape drives •...

  • Page 6: Operation

    FC Drives SCSI Drives SAS Drives In libraries HW Integration: ch. 1 In servers HW Integration: ch. 4 In tape arrays HW Integration: ch. 3 Linux configuration UNIX, Linux, OpenVMS Configuration Modes of usage HW Integration: ch. 8 OpenVMS configuration UNIX, Linux, OpenVMS Configuration Optimizing performance HW Integration: ch.

  • Page 7: Maintenance And Troubleshooting

    FC Drives SCSI Drives SAS Drives Pre-execution checks Host Interface: ch. 4 Responding to sense keys and ASC/Q SW Integration: ch. 6 Sense keys and ASC/Q Host Interface: ch. 5 —see REQUEST SENSE command Task management functions Host Interface: ch. 3 Maintenance and troubleshooting FC Drives SCSI Drives...

  • Page 8: General Documents And Standardization

    FC Drives SCSI Drives SAS Drives Performance optimization HW Integration: ch. 8 SW Integration: ch. 1 Performance, factors affecting SW Integration: ch. 4 Software design SW Integration: ch. 1 Supporting LTO Ultrium features SW Integration: ch. 5 General documents and standardization http://www.t10.org/t10_main.htm for INCITS SCSI Primary Commands—3 (SPC-3), SCSI Streaming Commands (SSC-3) and other specifications...

  • Page 9: Features

    Features Specification Feature Full-height drives Recording format Linear Tape Open Ultrium-4 and Ultrium-3. LTO Ultrium-2 tapes can be read but not written. ALDC Data compression 16-channel PRML Data encoding method 40–120 MB/s LTO 4 Variable speed recording Standard—data is verified immediately after it is written Read-While-Write Standard part of the LTO Ultrium format Auxiliary memory in...
  • Page 10 Features HP restricted...

  • Page 11: Physical Specification

    Physical specification Dimensions Fibre Channel SCSI width: Internal 146 mm (5.75") height: 82.5 mm (3.25") depth: 203 mm (8") External width: 208 mm (8.2") height: 121 mm (4.75") depth: 298 mm (11.75") Full-height drives Figure 1 Plan HP LTO Ultrium 4 drives technical reference manual, volume 4: specifications HP restricted...
  • Page 12 Figure 2 Side Figure 3 Front Figure 4 Rear view—Fibre Channel Physical specification HP restricted...

  • Page 13: Product Weight

    Figure 5 Rear View—SCSI Figure 6 Rear View—SAS Product weight Internal* 2.24 kg (4.94 lb) External 5.33 kg (11.75 lb) *including front panel and ESD bag but excluding rails Drive orientation HP LTO Ultrium drives will operate in 0°, –90° and +90° orientations when viewed from the front panel.
  • Page 14 Physical specification HP restricted...

  • Page 15: Electrical Requirements

    Electrical requirements PSU requirements Internal and rack-mounted drives NOTE: SAS drives should be powered from the normal rear panel connector, not through the power part of the SAS connector. Drives are specified to operate at 5V±5% and 12V±10%. Any PSU used to power the drive must be capable of providing 5V nominal (when the drive pulls 5A on the 5V rail) and 12V nominal (when the drive pulls 2A on the 12V rail).
  • Page 16 FC Drives SCSI Drives SAS Drives Activity Average Peak Average Peak Average Peak Read (motor start-up) 24.19W 44.60W Space to EOD 19.98W 37.59W Erase 29.89W 51.97W Electrical requirements HP restricted...

  • Page 17: Electromagnetic Compatibility

    Electromagnetic compatibility The EMC performance of internal storage products depends on the characteristics of the NOTE: system in which the product is installed. HP has tested products installed in server enclosures and in external desktop enclosures to verify EMC performance against the regulatory standards in force at the time of introduction.
  • Page 18 Electromagnetic compatibility HP restricted...

  • Page 19: Environmental

    Environmental Climatics These apply to the mechanism unless otherwise noted. For the environmental specification of media, Chapter 7 on page Operating Parameter Specification Operating temperature with media at 6 cfm airflow: 10°C to 35°C (50°F to 95°F) at 8 cfm airflow: 10°C to 40°C (50°F to 104°F) Maximum operating temperature rise 10°C/hr (50°F/hr) Operating non-condensing humidity...

  • Page 20: Noise

    Parameter Specification Non-operating swept sine 0.75G pk 5–500 Hz @ 1 octave/min with 5 min dwell at vibration peak resonance Non-operating random vibration 2.41G rms 5–500 Hz 5–100 Hz 0.001961 g 100–137 Hz @ -6 dB/octave 137–350 Hz 0.01079 g 350–500 Hz @ -6 dB/octave 500 Hz 0.0050 g Non-operating shock...

  • Page 21: Safety

    Safety Safety regulatory standards Agency Country Referenced Standard Underwriters Laboratories (UL) UL 60950-1 First Edition Canadian Standards Association (CSA) USA/Canada CSA 22.2 60950-1-03 TÜV Germany EN 60950-1:2001 Low Voltage Directive (CE) Europe IEC 60950-1:2001 Official Maxican Norm (NOM) Mexico NOM-0190SCFI-2998 Instituti Argentino de Normalizaciòn Argentina Zavod Za Ispitvanje Kvalitete Robe (ZIK)

  • Page 22: Transceivers

    Agency Country National Standard South African Bureau of Standards South Africa (SABS) Φ Γ CNCTEMA CEPTH HKLIHH OCT P Russia R 51318.22-99 & R 50839=2000 (GOSH) Transceivers The Fibre Optic transceivers used in FC products are Class 1 Laser components and comply with US FDA regulations.

  • Page 23: Media

    Media Specification HP Product Number Format Capacity* Notes C7974A 1600 GB Read and write C7974W U4 WORM 1600 GB Write once, read many times C7973A 800 GB Read and write C7973W U3 WORM 800 GB Write once, read many times C7972A 400 GB Read...

  • Page 24: Environmental Specifications (Media)

    Environmental specifications (media) Operating Parameter Specification Ambient temperature 10°C to 45°C (50°F to 113°F) Relative humidity (non-condensing) 10% to 80% Maximum wet bulb temperature 26°C (78.8°F) Storage (day-to-day) Parameter Specification Ambient temperature 16°C to 35°C (60°F to 95°F) Relative humidity (non-condensing) 20% to 80% Maximum wet bulb temperature 26°C (78.8°F)
  • Page 25 • The memory can be read from below (by a drive) or the front (in libraries). • 8192 bytes • Organized as 255 x 32 byte blocks • >500K write cycles, 20 year data retention life • Write/read size is word-wide (2 bytes) or block-wide (32 bytes) Further information For suggestions of how to make use of cartridge memory in libraries, see “LTO Cartridge •...
  • Page 26 Media HP restricted...

  • Page 27: Lto Ultrium Format Standard

    LTO Ultrium format standard Compatibility HP LTO Ultrium 4 drives are specified to interchange data cartridges with other tape drives that comply to the LTO U-28, U-316 and U-416 specification documents: Capacity (2:1 compression) Format Write Read 1600 GB WORM LTO Ultrium-4 1600 GB (820m) LTO Ultrium-4...
  • Page 28 LTO Ultrium format standard HP restricted...

  • Page 29: Reliability

    Reliability Description Specification MTBF (100% duty cycle) 250,000 hours Load/unload life 100,000 swaps MSBF (automation swaps) 100,000 swaps Head life (typical) 60,000 hours Media durability 1,000,000 passes Maximum cartridge uses 20,000 threads Backup failure rate <0.1% Restore failure rate <0.001% Interchange failure rate <0.1% Uncorrectable error rate...
  • Page 30 Reliability HP restricted...

  • Page 31: 10Performance Specification

    10 Performance specification Transfer rates Full-height drives Native: Maximum transfer rate 120 MB/s Compressed (2:1): 240 MB/s Streaming native data rate range (3:1) 40–120 MB/s (LTO 4) 27–80 MB/s (LTO 3) 13.7–35.6 MB/s (LTO 2) The bandwidth of the data compression engine determines the drive’s streaming capabilities based on the compression ratio of the data it is handling as follows: Compression engine bandwidth 360 MB/s...

  • Page 32: Timings

    Timings Capacity full backup times The following table shows approximate backup times for supported tape cartridges: Cartridge Time 1600 GB LTO 4 2.24 hours 800 GB LTO 3 1.76 hours 400 GB LTO 2 (read only) 1.87 hours Load/unload times Standard cartridge WORM Cartridge* Typical load time to BOT, ready to read or write...

  • Page 33: 11Automation Control Interface

    11 Automation Control Interface Specification Physical interface • RS-422, Drive Sense, Library Sense, Reset and Attention signals • A default of 9600 baud at power-on, after a tape drive reset and after an ACI reset. After that, the library can configure the tape drive to use other baud rates (19200, 38400, 57600 and 115200 baud for HP LTO Ultrium drives) using the Set Baud Rate command.
  • Page 34 Automation Control Interface HP restricted...

  • Page 35: Index

    Index format standard future compatibility access time agency approvals humidity airflow drives altitude media ANSI archival storage environment automation control interface immunities interfaces backup times bandwidth library interface life of drive load/unload times LTO Ultrium format standard climatics LTO-cartridge memory CM 9, compatibility compression...
  • Page 36 safety regulatory standards SCSI shock speed of recording suspended particle density temperature drives media times access capacity full backup load/unload rewind turn-around transfer rates transportation of media turn-around times vibration weight, drive wet bulb temperature drives media...

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