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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.
The HDD／SSD status lamp (Red) turns on.
1
2
The Digital LEDs for Status indication indicate an output message.
(See "9.6.1 POST messages" and refer to the HF-W6500 Model 60
RAS FEATURES MANUAL(WIN-63-0100).)
3
The alarm lamp (Red) turns on.
4
MCALL external contact (maintenance personnel call signal) is
closed.
(See "5.9.2 External control specifications".)
5
Data is recorded using the event log.
(See Section 9.4, "Event Log".)
6
The Drive status of the RAID1 system is displayed in the Hardware
status window.
(Refer to the HF-W6500 Model 60 RAS FEATURES
MANUAL(WIN-63-0100).)
< NOTE >
・This equipment shifts to degraded operation on one drive when a failure is
detected in RAID1. When you start the equipment for the first time after a shift to
degraded operation, the equipment might restart once to ensure that it is not
started from the failed drive.
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
10-7
10. RAID1
Cause
Drive failure
(Either one or both
drives)
drive failure (Either
drive)
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