Figure 5-2 Invalid RAID group
Possible Causes
One of the following causes may arouse the invalid RAID:
l A member disk of the RAID group is removed.
l A member disk of the RAID group is replaced.
l A member disk of the RAID group is faulty.
NOTE
l For RAID 1 and RAID 10, if a work disk and its corresponding mirror disk are invalid at the same
time, the RAID group is invalid.
l For RAID 5, if two member disks of the RAID group are invalid at the same time, the RAID group is
invalid.
l For RAID 6, if three member disks of the RAID group are invalid at the same time, the RAID group
is invalid.
Fault Diagnosis
You can determine the cause for the fault through the following procedure:
l Cause 1: A member disk of the RAID group is removed.
1. In the navigation tree, choose the Physical View tab.
2. Expand the All RAID Groups node and click the icon of the invalid RAID group.
3. The system displays the location of the faulty logical disk.
5 Troubleshooting of Common Faults
OceanStor S2600 Storage System
Troubleshooting
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Issue 03 (2010-01-28)