User manual

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The unit can be displayed in GB or MB.
#Snapshot Number of snapshot(s) that have been taken.
RG name The RG name of the virtual disk
 VD operation description:
Create Create a virtual disk.
Extend Extend the virtual disk capacity.
Parity check Execute parity check for the virtual disk. It supports RAID 3 / 5 /
6 / 30 / 50 / 60.
Regenerate parity:
 “Yes”  Regenerate RAID parity and write.
 “No”  Execute parity check only and find mismatches. It
will stop checking when mismatches count to 1 / 10 / 20
/ … / 100.
Delete Delete the virtual disk.
Set property
Change the VD name, right, priority, bg rate and read ahead.
Right:
 “WT”  Write Through.
 “WB”  Write Back. (Default)
 “RO”  Read Only.
Priority:
 “HI”  HIgh priority. (Default)
 “MD”  MiDdle priority.
 “LO”  LOw priority.
Bg rate:
 “4 / 3 / 2 / 1 / 0”  Default value is 4. The higher
number the background priority of a VD is, the more
background I/O will be scheduled to execute.
Read ahead:
 “Enabled”  Enable disk read ahead. (Default)
 “Disabled”  Disable disk read ahead.
AV-media mode:
 “Enabled”  Enable AV-media mode for optimizing video