Dell PowerVault MD3000 Bedienungsanleitung PDF herunterladen (Seite 66)

66 Disk Groups and Virtual Disks

• Unfixable error — Data could not be read and parity or redundancy

information could not be used to regenerate the data. For example,

redundancy information cannot be used to reconstruct the data on a

degraded virtual disk. The error is reported to the event log.

Changing Media Scan Settings

Click the

Tools

tab, then click

Change Media Scan Settings

Select the number of days allowed for the media scan to complete in the

Scan duration (days)

box.

NOTE: Performing the media scan frequently may negatively impact the

performance of other operations. Adjust scan duration based on the

performance needs of your storage array.

In the

Select virtual disks to scan

box, click the virtual disk you want to

include in the media scan.

NOTE: Press <Ctrl> and click to add more than one virtual disk to the media

scan. Click Select All to include all virtual disks in the media scan.

Check the

Scan selected virtual disks

checkbox to enable scanning, then

choose either

With consistency check

Without consistency check

Consistency check enables parity data to be checked during the media

scan.

Click

to accept the updated media scan settings.

Suspending the Media Scan

You cannot perform a media scan while performing another long-running

operation on the disk drive such as reconstruction, copy-back,

reconfiguration, virtual disk initialization, or immediate availability

formatting. If you want to perform another long-running operation, you

should suspend the media scan.

NOTE: A background media scan is the lowest priority of the long-running

operations.

Click the

Tools

tab, then click

Change Media Scan Settings

Check the

Suspend media scan

checkbox.

Click

to suspend media scanning.

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