Thecus i8500, Руководство пользователя

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#Snapshot
Number of snapshot(s) that Virtual disk is taken.
RG name
The Virtual disk is related to the RG name
Readahead
This feature makes data be loaded to disk's buffer in
advance for further use. Default is "Enabled".
•
VD operations description:
Extend
Extend a Virtual disk capacity.
Scrub
Scrub a Virtual disk. It’s a parity regeneration. It
supports RAID 3 / 5 / 6 / 30 / 50 / 60 only.
Delete
Delete a Virtual disk.
Set property
Change the VD name, right, priority and bg rate.
Right options:
“WT”
Æ
W
rite
T
hrough.
“WB”
Æ
W
rite
B
ack.
“RO”
Æ
R
ead
O
nly.
Priority options:
“HI”
Æ
HI
gh priority.
“MD”
Æ
M
i
D
priority.
“LO”
Æ
LO
w priority.
Bg rate options:
“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.
Attach LUN
Attach to a LUN.
Detach LUN
Detach to a LUN.
List LUN
List attached LUN(s).
Set snapshot
space
Set snapshot space for executing snapshot. Please
refer to next chapter for more detail.