iSCSI-to-SATA II RAID Subsystem
User Manual
57
VD column description:
No.
Number of this Virtual disk. The button next to the VD
No. shows the functions which can be executed.
Name
Virtual disk name.
Size(GB)
Total capacity of the Virtual disk.
Right “WT”
Æ
W
rite
T
hrough.
“WB”
Æ
W
rite
B
ack.
“RO”
Æ
R
ead
O
nly.
Priority “HI”
Æ
HI
gh priority.
“MD”
Æ
M
i
D
priority.
“LO”
Æ
LO
w priority.
Bg rate
Background task priority.
“4 / 3 / 2 / 1 / 0”
Æ
Default value is 4. The higher
number the background priority of a VD has, the more
background I/O will be scheduled to execute.
Status
The status of Virtual disk.
“Online”
Æ
the Virtual disk is online.
“Offline”
Æ
the Virtual disk is offline.
“Initiating”
Æ
the Virtual disk is being initialized.
“Rebuild”
Æ
the Virtual disk is being rebuilt.
“Migrate”
Æ
the Virtual disk is being migrated.
“Scrub”
Æ
the Virtual disk is being scrubbed.
Health
The health of Virtual disk.
“Optimal”
Æ
the Virtual disk is operating and has
experienced no failures of the disks that comprise
the RG.
“Degraded”
Æ
At least one disk which comprises space
of the Virtual disk has been marked as failed or has
been plugged.
“Missing”
Æ
the Virtual disk has been marked as
missing by the system.
“Failed”
Æ
the Virtual disk has experienced enough
failures of the disks that comprise the VD for
unrecoverable data loss to occur.
“Part optimal”
Æ
the Virtual disk has experienced disk
failures.