Dell OpenManage Server Administrator Version 6.2 Manual de usuario descargar pdf (Pagina 36)

l Wait until you notice the initial blink pattern has changed into a different pattern or the lights have stopped blinking.

A physical disk is no longer in Ready state after doing a Prepare to Remove. Removing the physical disk from the enclosure or backplane and replacing it

causes the physical disk to spin up and return to Ready state.

In some cases, a rescan is required for the controller to recognize configuration changes such as the removal of a disk. See "Rescan to Update Storage

Configuration Changes" for more information.

Initialize



Does my controller support this feature? See "Supported Features."

The Initialize task prepares a physical disk for use as a member of a virtual disk.

Physical disks attached to PERC 3/Si, 3/Di, and CERC SATA1.5/6ch controllers must be initialized before they can be used. On these controllers, the Initialize

task can only be performed once on a physical disk. In some cases a physical disk that is in an Unknown state can be returned to a usable state by performing

the Initialize task. The Initialize task is not displayed for physical disks that have already been initialized using Storage Management or the BIOS.



Rebuild



Does my controller support this feature? See "Supported Features."

Use the Rebuild task to reconstruct data when a physical disk in a redundant virtual disk fails. See "Replacing a Failed Disk that is Part of a Redundant Virtual

Disk" for more information.

Rebuilding a disk may take several hours.

Cancel Rebuild



Does my controller support this feature? See "Supported Features."

Use the Cancel Rebuild task to cancel a rebuild that is in progress. If you cancel a rebuild, the virtual disk remains in a degraded state. The failure of an

additional physical disk can cause the virtual disk to fail and may result in data loss. It is highly recommended that you rebuild the failed physical disk as soon

as possible.

Assign and Unassign Global Hot Spare



Does my controller support this feature? See "Supported Features."

A global hot spare is an unused backup disk that is part of the disk group. Hot spares remain in standby mode. When a physical disk that is used in a virtual

disk fails, the assigned hot spare is activated to replace the failed physical disk without interrupting the system or requiring your intervention. When a hot

spare is activated, it rebuilds the data for all redundant virtual disks that were using the failed physical disk.

You can change the hot spare assignment by unassigning a disk and choosing another disk as needed. You can also assign more than one physical disk as a

global hot spare.

Global hot spares must be assigned and unassigned manually. They are not assigned to specific virtual disks. If you want to assign a hot spare to a virtual

disk (it will replace any physical disk that fails in the virtual disk) then use the "Assign and Unassign Dedicated Hot Spare."

NOTE: This procedure is not available for physical disks that have been assigned as a hot spare or physical disks that are part of a virtual disk. In

addition, this procedure is only supported for hotswap physical disks (disks that reside in a carrier).

NOTE: This procedure is not supported on the CERC ATA100/4ch, CERC SATA1.5/6ch, and CERC SATA1.5/2s controllers. For the PERC 4/IM controller, this

procedureisonlysupportedonaPowerEdge™1855system.

CAUTION: This is a data-destructive task. Any virtual disks residing on this physical disk will be removed.

NOTE: If you cancel the rebuild of a physical disk that is assigned as a hot spare, you will need to reinitiate the rebuild on the same physical disk in

order to restore the data. Canceling the rebuild of a physical disk and then assigning another physical disk as a hot spare will not cause the newly

assigned hot spare to rebuild the data. You will need to reinitiate the rebuild on the physical disk that was the original hot spare.

NOTE: On SAS 6/iR controllers, you cannot assign physical disks that have boot partitions, as hot spares.

NOTE: On PERC S100 and S300 controllers, if there is free space available on the global hot spare, it continues to function as a spare even after

replacing a failed physical disk. See "Considerations for Hot Spares on PERC 3/Si, 3/Di, CERC SATA1.5/6ch, S100, and S300 Controllers".

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