Dell PowerVault MD3820f - Manual (Page 22)

Status Mode Description
Optimal Hot Spare Standby The physical disk in the indicated slot is
configured as a hot spare.
Optimal Hot Spare in use The physical disk in the indicated slot is in use as a
hot spare within a disk group.
Failed Assigned, Unassigned, Hot
Spare in use, or Hot Spare
Standby The physical disk in the indicated slot has failed
because of an unrecoverable error, an incorrect
drive type or drive size, or by its operational state
being set to failed.
Replaced Assigned The physical disk in the indicated slot has been
replaced and is ready to be, or is actively being,
configured into a disk group.
Pending Failure Assigned, Unassigned, Hot
Spare in use, or Hot Spare
Standby A Self-Monitoring Analysis and Reporting
Technology (SMART) error has been detected on
the physical disk in the indicated slot.
Offline Not applicable The physical disk has either been spun down or
had a rebuild aborted by user request.
Identify Assigned, Unassigned, Hot
Spare in use, or Hot Spare
Standby The physical disk is being identified.
Virtual Disks And Disk Groups
When configuring a storage array, you must:
• Organize the physical disks into disk groups.
• Create virtual disks within these disk groups.
• Provide host server access.
• Create mappings to associate the virtual disks with the host servers.
NOTE: Host server access must be created before mapping virtual disks.
Disk groups are always created in the unconfigured capacity of a storage array. Unconfigured capacity is
the available physical disk space not already assigned in the storage array.
Virtual disks are created within the free capacity of a disk group. Free capacity is the space in a disk group
that has not been assigned to a virtual disk.
Virtual Disk States
The following table describes the various states of the virtual disk, recognized by the storage array.
Table 1. RAID Controller Virtual Disk States
State Description
Optimal The virtual disk contains physical disks that are online.
Degraded The virtual disk with a redundant RAID level contains
an inaccessible physical disk. The system can still
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