User manual

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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
(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 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:
x “Yes” Æ Regenerate RAID parity and write.
x “No” Æ Execute parity check only and find
mismatches. It will stop checking when mismatches
count to 1 / 10 / 20 / … / 100.
RAG362