Dell poweredge VRTX Manuale d'uso - Pagina 10

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NOTE: You cannot disable BGI permanently. If you cancel BGI, it automatically restarts within five minutes.

NOTE: Unlike full or fast initialization of virtual disks, background initialization does not clear data from the physical

disks.

NOTE: CC or BGI typically causes some loss in performance until the operation completes.

Full Initialization Of Virtual Disks

CAUTION: Performing a full initialization on a virtual disk overwrites all blocks and destroys any data that

previously existed on the virtual disk. Full initialization of a virtual disk eliminates the need for the virtual disk to

undergo a BGI. Full initialization can be performed after the creation of a virtual disk.

During full initialization, the host is not able to access the virtual disk. You can start a full initialization on a virtual disk in

the CMC.

NOTE: For detailed navigation of the CMC for Shared PERC 8, see the

PowerEdge VRTX User's Guide at dell.com/esmmanuals.

NOTE: If the system reboots during a full initialization, the operation terminates and a BGI begins on the virtual disk.

A fast initialization on a virtual disk overwrites the first and last 8 MB of the virtual disk, clearing any boot records or

partition information. The operation takes only 2-3 seconds to complete and is recommended when you are recreating

virtual disks. You can perform a fast initialization in the CMC.

NOTE: A BGI starts five minutes after the Fast Initialization is completed.

NOTE: For detailed navigation of the CMC for Shared PERC 8, see the

PowerEdge VRTX User's Guide at dell.com/esmmanuals.

Disk roaming is moving the physical disks from one backplane slot to another on the same controller. The controller

automatically recognizes the relocated physical disks and logically places them in the virtual disks that are part of the

disk group. You can perform disk roaming only when the system is turned off.

Perform the following steps to use disk roaming:

Turn off the power to the system, physical disks, enclosures, and system components.

Disconnect power cables from the system.

Move the physical disks to desired positions on the backplane or the enclosure.

Perform a safety check. Make sure the physical disks are inserted properly.

Turn on the system.

The controller detects the RAID configuration from the configuration data on the physical disks.

Dell Chassis Management Controller for Dell