Cannot Assign A Dedicated Hot Spare To A Virtual Disk - Dell PowerEdge User Manual

Physical or mechanical problems with the physical disk
1 Determine if the physical disk in the virtual disk has failed.
2 If a physical disk was recently removed and replaced, determine that it is correctly positioned in the backplane. Check the cable
connections at the physical disk and at the system board.
3 Perform a Rescan
The virtual disk has lost redundancy
One or more physical disks in the virtual disk may have failed, due to the failed physical disk or disks, the virtual disk is no longer maintaining
redundant (mirrored or parity) data. The failure of an additional physical disk results in lost data.
1 Replace the physical disk or disks.
2 Rebuild the physical disk using Storage Management. See the applicable Storage Management screen at dell.com/support/manuals.
Corrupted metadata in the virtual disk
1 Delete the virtual disk that has the failed metadata.
2 Assign the physical disk as a hot spare to rebuild a redundant virtual disk.
3 To create a non-redundant virtual disk, delete and rebuilt the data on a virtual disk, and restore the data from a backup storage source.

Cannot assign a dedicated hot spare to a virtual disk

If you cannot assign a dedicated hot spare to a virtual disk, check the following causes:
1 The RAID level does not allow a dedicated hot spare to be
2 The designated physical disk does not have sufficient capacity to be a dedicated hot
3 The physical disk is already part of a virtual
4 The physical disk are of different
The RAID level does not allow a dedicated hot spare to be created
Hot spares cannot be created for Volume or RAID 0 virtual disks.
The designated physical disk does not have sufficient capacity to be a
dedicated hot spare
The capacity of the physical disk selected to be a dedicated hot spare must be equal to or larger than the capacity of the smallest physical
disk in the virtual disk. For example, if the physical disk selected for a dedicated hot spare is 160 GB, and the physical disks in the virtual
disk are 80 GB, 160 GB, and 500 GB, a dedicated hot spare can be assigned. That is because the physical disk selected for the dedicated
hot spare is larger than the smallest (80 GB) physical disk in the virtual disk.
The physical disk is already part of a virtual disk
A dedicated hot spare cannot be assigned to another virtual disk.
52 Troubleshooting your system
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