Events - Dell PowerVault ME5 Series Owner's Manual

Events

Table 28. Event descriptions and recommended actions
Number Severity
1 Critical
Warning
3 Error
Description/Recommended actions
This event severity has the following variants:
1. The disk group is online and cannot tolerate another disk failure, and no spare of the proper
size and type is present to automatically reconstruct the disk group.
● If the indicated disk group is RAID 6, it is operating with degraded health due to the
failure of two disks.
● If the indicated disk group is not RAID 6, it is operating with degraded health due to the
failure of one disk.
For linear disk groups, if an available disk of the proper type and size is present and the
dynamic spares feature is enabled, that disk is used to automatically reconstruct the disk
group and event 37 is logged.
2. The disk group is online and cannot tolerate another disk failure. If the indicated disk group is
RAID 6, it is operating with degraded health due to the failure of two disks. If the indicated
disk group is not RAID 6, it is operating with degraded health due to the failure of one disk.
Recommended actions:
● If event 37 was not logged, a spare of the proper type and size was not available for
reconstruction. Replace the failed disk with one of the same type and the same or greater
capacity and, if necessary, designate it as a spare. Confirm this by checking that events 9
and 37 are logged.
● Otherwise, reconstruction automatically started and event 37 was logged. Replace the failed
disk and configure the replacement as a dedicated (linear only) or global spare for future use.
● For continued optimum I/O performance, the replacement disk should have the same or
better performance.
● Confirm that all failed disks have been replaced and that there are sufficient spare disks
configured for future use.
The disk group is online but cannot tolerate another disk failure.
● If the indicated disk group is RAID 6, it is operating with degraded health due to the failure of
two disks.
● If the indicated disk group is not RAID 6, it is operating with degraded health due to the
failure of one disk.
A dedicated spare or global spare of the proper size and type is being used to automatically
reconstruct the disk group. Events 9 and 37 are logged to indicate this.
Recommended actions:
● If event 37 was not logged, a spare of the proper type and size was not available for
reconstruction. Replace the failed disk with one of the same type and the same or greater
capacity and, if necessary, designate it as a spare. Confirm this by checking that events 9
and 37 are logged.
● Otherwise, reconstruction automatically started and event 37 was logged. Replace the failed
disk and configure the replacement as a dedicated (linear only) or global spare for future use.
● For continued optimum I/O performance, the replacement disk should have the same or
better performance.
● Confirm that all failed disks have been replaced and that there are sufficient spare disks
configured for future use.
The indicated disk group went offline.
One disk failed for RAID 0 or NRAID, three disks failed for RAID 6, or two disks failed for other
RAID levels. The disk group cannot be reconstructed. This is not a normal status for a disk group
unless you have done a manual dequarantine.
For virtual disk groups in the Performance tier, when a disk failure occurs the data in the disk
group that uses that disk will be automatically migrated to another available disk group if space
is available, so no user data is lost. Data will be lost only if multiple disk failures occur in rapid
succession so there is not enough time to migrate the data, or if there is insufficient space to fit
the data in another tier, or if failed disks are not replaced promptly by the user.
Events and event messages 73