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NOTE!
To be alerted when an array is degraded or damaged, you can
configure alarm-triggered action at
Alarm > Alert.
An array is in one of four statuses: normal, degraded, damaged,
rebuild. The status is normal if no physical disk is lost. When the
number of physical disks lost reaches the specified value, the array
is considered damaged. The status between normal and damaged
is degraded. A degraded array can be recovered to normal status
through rebuilding.
NOTE!
Take RAID 5 that consists of 4 disks as an example. The array is
degraded when one disk is lost. When two disks are lost, the array
is damaged.
A degraded array can be automatically rebuilt in ten minutes if
these conditions are met: a hot spare disk is available; the capacity
of the hot spare disk is not less than that of any disk in the array.
A degraded array without a hot spare disk can only be rebuilt
manually under
Storage > Array > Array.
By default the first local
disk that satisfies requirements is selected.
Deleting an Array
CAUTION!
Deleting an array will erase all data on it.
1.
Click
Storage > Array > Array.
2.
Click for the array to delete. A confirmation message
appears. Click
Yes
.