User manual

iSCSI GbE to SAS/SATA II RAID Subsystem
74
User Manual
 “Migrate”  The virtual disk is being migrated.
 “Rollback”  The virtual disk is being rolled back.
 “Scrubbing”  The virtual disk is being scrubbed.
 “Parity checking”  The virtual disk is being parity
check.
Type The type of virtual disk:
 “RAID”  the virtual disk is normal.
 “BACKUP”  the virtual disk is for clone usage.
Health The health of virtual disk:
 “Optimal”  the virtual disk is working well and
there is no failed disk in the RG.
 “Degraded”  At least one disk from the RG of the
Virtual disk is failed or plugged out.
 “Failed”  the RAID group disk of the VD has single
or multiple failed disks than its RAID level can recover
from data loss.
 “Partially optimal”  the virtual disk has
experienced recoverable read errors.
R %
Ratio (%) of initializing or rebuilding.
RAID RAID level.
#LUN Number of LUN(s) that virtual disk is attached to.
Snapshot
(GB) (MB)
The virtual disk size that is used for snapshot. The number
means “Used snapshot space” / “Total snapshot
space”. 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 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”  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.