Sans Digital iSCSI STORAGE Uživatelský manuál stáhnout pdf (Strana 38)

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Snapshot (MB) The Virtual disk size that used for snapshot. The number means “Used

snapshot space” / “Total snapshot space”. The unit is in megabytes

(MB).

#Snapshot Number of snapshot(s) that Virtual disk is taken.

RG name The Virtual disk is related to the RG name

• 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 /jointfilesconvert/282412/bg rate.

Right options:

“WT” Æ Write Through.

“WB” Æ Write Back.

“RO” Æ Read Only.

Priority options:

“HI” Æ HIgh priority.

“MD” Æ MiD priority.

“LO” Æ LOw 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.

Cleanup snapshot Clean all snapshot VD related to the Virtual disk and release snapshot

space.

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Sans Digital iSCSI STORAGE Uživatelský manuál Strana 38