Proware EP-3164D-GAS3, User Manual

Page: 73 / 160

iSCSI GbE to SAS/SATA II RAID Subsystem
User Manual 73
VD operations description:
Create Create a virtual disk.
Extend Extend a Virtual disk capacity.
Parity check Execute parity check for the virtual disk. It supports RAID
3 / 5 / 6 / 30 / 50 / 60.
Regenerate parity:
“Yes”
Æ
Regenerate RAID parity and write.
“No”
Æ
Execute parity check only and find mismatches.
It will stop checking when mismatches count to 1 / 10 /
20 / … / 100.
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.
Read ahead:
“Enabled”
Æ
Enable disk read ahead. (Default)
“Disabled”
Æ
Disable disk read ahead.
AV-media mode:
x
“Enabled”
Æ
Enable AV-media mode for optimizing
video editing.
x
“Disabled”
Æ
Disable AV-media mode. (Default)
Type:
x
“RAID”
Æ
the virtual disk is normal. (Default)
“Backup”
Æ
the virtual disk is for clone usage.
Attach LUN Attach to a LUN.
Detach LUN Detach to a LUN.
List LUN List attached LUN(s).