Dell PowerEdge RAID Controller S110 Manual do Utilizador descarregar pdf (Página 47)

Troubleshooting 45

Failure Status by Virtual Disk RAID Level

RAID 1, RAID 5

•

Degraded

: A single physical disk fails.

RAID 10

•

Degraded

: A single physical disk fails in one or more of the mirrored sets.

Volume, RAID 0

•

Failed

: A single physical disk fails.

RAID 1 or RAID 5

•

Failed

: Two or more physical disks fail.

RAID 10

•

Failed

: Two physical disks in a mirrored set fail.

Use the following information as guidelines to troubleshoot the controller.

Fail to Create a Virtual Disk

The user might not be able to create the virtual disks and may be prompted

with The physical disk is not displayed error message due to

the following:

• The controller cannot communicate with the physical disks.

• A cable might be loose or defective.

• 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(s) used by

the virtual disk.

Incorrect number of physical disks selected for the desired RAID level

See "Understanding RAID Levels" in the RAID Technology Guide, located on

the Dell Support website at dell.com/support/manuals, for a description of

RAID levels and the allowable number of physical disks used with each RAID

level.

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Dell PowerEdge RAID Controller S110 Manual do Utilizador Página 47