virtual disks without consistency protection (RAID 1, RAID 5, and RAID 6 virtual disks), the error is not corrected but is reported to the
event log.
•
Recovered media error — Data could not be read by the physical disk on the first attempt but was successfully read on a subsequent
attempt. Data is rewritten to the physical disk and verified and the error is reported to the event log.
•
Consistency mismatches error — The first 10 consistency mismatches that are found on the virtual disk are reported to the event log.
•
Unfixable error — Data could not be read and consistency or consistency information could not be used to regenerate the data. For
example, consistency 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
To change the media scan settings:
1
In the AMW, select the
Storage & Copy Services
tab and select any virtual disk.
2
From the menu bar, select
Storage
>
Virtual Disk
>
Change
>
Media Scan Settings.
The
Change Media Scan Settings
window is displayed.
3
Deselect
Suspend media scan
, if selected.
4
In
Scan duration (in days)
, enter or select the duration (in days) for the media scan.
The media scan duration specifies the number of days for which the media scan runs on the selected virtual disks.
5
To disable media scans on an individual virtual disk, select the virtual disk in the
Select virtual disks to scan
area, and deselect
Scan
selected virtual disks
.
6
To enable media scans on an individual virtual disk, select the virtual disk in the
Select virtual disks to scan
area, and select
Scan
selected virtual disks
.
7
To enable or disable the consistency check, select either
With consistency check
or
Without consistency check
.
NOTE:
A consistency check scans the data blocks in a RAID Level 5 virtual disk, or a RAID Level 6 virtual disk and checks
the consistency information for each block. A consistency check compares data blocks on RAID Level 1 replicated physical
disks. RAID Level 0 virtual disks have no data consistency.
8
Click
OK
.
Suspending 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.
To suspend a media scan:
1
In the AMW, select the
Storage & Copy Services
tab and select any virtual disk.
2
From the menu bar, select
Storage
>
Virtual Disk
>
Change
>
Media Scan Settings.
The
Change Media Scan Settings
window is displayed.
3
Select
Suspend media scan
.
NOTE:
This applies to all the virtual disks on the disk group.
4
Click
OK
.
Disk groups, standard virtual disks, and thin virtual disks
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