10. SOFTWARE RAID1
10-8
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.
Table 10-1 Action list of when the Software RAID detected failure
No. Action Cause
1 The HDD status lamp (Red) turns on. HDD failure
(Either one or both
HDDs)
2 The Digital LEDs for Status indication indicate an output message.
(See "9.6.1 POST messages" and refer to the HF-W2000 Model
48/45 RAS FEATURES MANUAL.)
3 he alarm lamp (Red) turns on. HDD failure (Either
drive)
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 “4.1.3 Hardware status window” the HF-W2000 Model
48/45 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.
<Notice>
In this equipment, an operation is performed in the degeneracy of the other HDD
if it detects the failure of a HDD. When launching the first device after the
migration to degenerate behavior, in order to ensure the launch of deterrence from
the failed HDD, you may restart the equipment.
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