One case of abnormal offline the storage RAID Group question

1. Check the storage status using ISM, using the hot spare disk to reconstruction for the problem Volume Group members disk;

2. The new hot spare disk copyback finished, RAID group status back to normal, in addition to RAID group 9 offline;

3. For the Volume Group 9 after online operation, the Volume Group 9 in a degraded state;

4. Replace the disk failure for Volume Group 9 and use hot spare disk copyback, Volume Group 9 return to normal status.

5. To ensure that all disks properly, can be apply for to customer restart the array, the array self-test and you can found fault disk, replace the fault disk, Volume Group 9 back to normal status.

 Disk failure caused some RAID group degradation, one RAID group abnormal offline.

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