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10. RAID1
10.4 Recovering from failure
10.4.1 Detecting a failure
When failure is detected in the RAID1, the following actions are executed by this equipment.
No.
1
The HDD status lamp (Red) turns on.
2
The Digital LEDs for Status indication indicate an output message.
(See "9.6.1 POST messages" and refer to the HF-W6500 Model
55/50 RAS FEATURES MANUAL.)
3
The alarm lamp (Red) turns on.
4
MCALL external contact (maintenance personnel call signal) is
closed.
(See "5.8.2 External control specifications".)
5
Data is recorded using the event log.
(See Section 9.4, "Event Log".)
6
The HDD status of the RAID1 system is displayed in the Hardware
status window.
(Refer to the HF-W6500 Model 55/50 RAS FEATURES
MANUAL.)
The following part of this section describes how to recover from each type of failure and how
to handle the situation when a problem occurs during recovery work.
Table 10-1 Action list of when the RAID detected failure
Action
10-6
Cause
HDD failure
(Either one or both
HDDs)
HDD failure (Either
drive)
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