User manual

iSCSI GbE to SAS/SATA II RAID Subsystem
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User Manual
x “MD” Æ MiDdle priority.
x “LO” Æ LOw priority.
Bg rate Background task priority:
x “4 / 3 / 2 / 1 / 0” Æ Default value is 4. The higher
number the background priority of a VD is, the more
background I/O will be scheduled to execute.
Status The status of virtual disk:
x “Online” Æ The virtual disk is online.
x “Offline” Æ The virtual disk is offline.
x “Initiating” Æ The virtual disk is being initialized.
x “Rebuild” Æ The virtual disk is being rebuilt.
x “Migrate” Æ The virtual disk is being migrated.
x “Rollback” Æ The virtual disk is being rolled back.
x “Scrubbing” Æ The virtual disk is being scrubbed.
x “Parity checking” Æ The virtual disk is being parity
check.
Clone The target name of virtual disk.
Schedule The clone schedule of virtual disk:
Type The type of virtual disk:
x “RAID” Æ the virtual disk is normal.
x “BACKUP” Æ the virtual disk is for clone usage.
Health The health of virtual disk:
x “Optimal” Æ the virtual disk is working well and there
is no failed disk in the RG.
x “Degraded” Æ At least one disk from the RG of the
Virtual disk is failed or plugged out.
x “Failed” Æ the RAID group disk of the VD has single or
multiple failed disks than its RAID level can recover from
data loss.
x “Partially optimal” Æ the virtual disk has experienced
recoverable read errors. After passing parity check, the
health will become “Optimal”.
R %
Ratio (%) of initializing or rebuilding.
RAID RAID level.
#LUN Number of LUN(s) that virtual disk is attached to.
Snapshot The virtual disk size that is used for snapshot. The number