Dell PowerVault MD3200i Manuel d'utilisateur télécharger pdf (Page 145)

Configuration: Disk Groups and Virtual Disks 145

NOTE: Some settings cannot be imported during the import disk group

procedure.

The following settings are removed/cleared during the procedure:

• Persistent reservations

• Host-to-virtual disk mappings

• Virtual disk copy pairs

• Snapshot virtual disks and snapshot repository virtual disks

• Remote mirror pairs

• Mirror repositories

Non-Importable Components

Some components cannot be imported during the import disk group

procedure. These components are removed during the procedure:

• Persistent reservations

•Mappings

• Virtual disk copy pairs

• Snapshot virtual disks and snapshot repository virtual disks

Storage Array Media Scan

The media scan is a background operation that examines virtual disks to

verify that data is accessible. The process finds media errors before normal

read and write activity is disrupted and reports errors to the event log.

NOTE: You cannot enable background media scans on a virtual disk comprised of

Solid State Disks (SSDs).

Errors discovered by the media scan include:

• Unrecovered media error—Data could not be read on the first attempt or

on any subsequent attempts. For virtual disks with redundancy protection,

data is reconstructed, rewritten to the physical disk, and verified and the

error is reported to the event log. For virtual disks without redundancy

protection (RAID level 1, RAID level 5, and RAID level 6 virtual disks), the

error is not corrected but is reported to the event log.

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Dell PowerVault MD3200i Manuel d'utilisateur Page 145