Dell PowerEdge R7525 EMC PowerEdge RAID Controller S150 Users Guide - Page 51

Insufficient free space available on the selected physical disks

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2. A cable might be loose or defective. 3. The physical disk might be a SAS drive. Re-seat the physical disks in the backplane and check their cables. Insufficient free space available on the selected physical disks There must be sufficient available free space on the physical disk used by the virtual disk. Incorrect number of physical disks selected for the desired RAID level For details about RAID levels and the allowable number of physical disks used with each RAID level, see understanding RAID levels in RAID Technology Guide at www.dell.com/manuals. The desired physical disk is unavailable Determine whether the physical disk: 1. Is a dedicated hot spare and unavailable for use in another virtual disk. 2. Is full or has insufficient available capacity. The system already has a maximum of 30 virtual disks Delete unused virtual disks. CAUTION: Deleting a virtual disk destroys all data on the virtual disk. A virtual disk is in a degraded state If the virtual disk is in a degraded state, check the following causes: 1. A physical disk was removed. 2. Physical or mechanical problems with the physical disk on page 51. 3. The virtual disk has lost redundancy. 4. Corrupted metadata in the virtual disk. Virtual disks are degraded on migrating the physical drives Likely Cause: Rebuild in the new unit does not start automatically. Corrective Action: Start the rebuild in the new unit through OpenManage. A physical disk was removed 1. Install the original physical disk if it was inadvertently removed, or replace it with a new or used physical disk. 2. Initialize a new physical disk. Perform a Rescan for all physical disks that are replaced. 3. If the physical disk was not removed, check that its cables are correctly installed. 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. Troubleshooting your system 51

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2.
A cable might be loose or defective.
3.
The physical disk might be a SAS drive.
Re-seat the physical disks in the backplane and check their cables.
Insufficient free space available on the selected physical disks
There must be sufficient available free space on the physical disk used by the virtual disk.
Incorrect number of physical disks selected for the desired RAID level
For details about RAID levels and the allowable number of physical disks used with each RAID level, see understanding RAID levels in
RAID
Technology Guide
at
www.dell.com/manuals
.
The desired physical disk is unavailable
Determine whether the physical disk:
1.
Is a dedicated hot spare and unavailable for use in another virtual disk.
2.
Is full or has insufficient available capacity.
The system already has a maximum of 30 virtual disks
Delete unused virtual disks.
CAUTION:
Deleting a virtual disk destroys all data on the virtual disk.
A virtual disk is in a degraded state
If the virtual disk is in a degraded state, check the following causes:
1.
A physical disk was removed
.
2.
Physical or mechanical problems with the physical disk
on page 51.
3.
The virtual disk has lost redundancy
.
4.
Corrupted metadata in the virtual disk
.
Virtual disks are degraded on migrating the physical drives
Likely Cause:
Rebuild in the new unit does not start automatically.
Corrective Action:
Start the rebuild in the new unit through OpenManage.
A physical disk was removed
1.
Install the original physical disk if it was inadvertently removed, or replace it with a new or used physical disk.
2.
Initialize a new physical disk. Perform a
Rescan
for all physical disks that are replaced.
3.
If the physical disk was not removed, check that its cables are correctly installed.
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.
Troubleshooting your system
51