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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/SSD status lamp (Red) turns on.
2
The Digital LEDs for Status indication indicate an output message.
(See "9.6.2 Displaying a hardware status code" and "HF-W7500
Model 65/60 RAS FEATURES MANUAL (WIN-63-0101)".)
3
An alarm lamp (red) turns on.
4
The MCALL external contact (maintenance personnel call signal) is
closed. (See "5.9.2 External control specifications".)
5
Data is recorded in the event log.
(See "9.4 Event Log".)
6
The Drive status of the RAID1 system is displayed in the Hardware
status window.
(See "HF-W7500 Model 65/60 RAS FEATURES MANUAL (WIN-
63-0101)".)
(NOTE)
・
With this equipment, if a RAID1 failure is detected, one drive will perform a degenerate
operation. When starting up the equipment for the first time after transitioning to degraded
operation, it may be restarted once to ensure that the equipment does not start up from a failed
drive.
The following sections describe how to recover from each type of failure and how to handle
problems that occur during recovery work.
Table 10-1 Action list of when the RAID detected failure
Action
10-6
10. RAID1
Cause
Drive failure
(Either one drive or both
drives)
Failure on one drive
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