User manual

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Configuring Alert Threshold
The alert threshold is used to remind users when the capacity of a chosen storage pool
is used up to the specified threshold level. A warning message will pop up when the
specified threshold level is reached. To set an alert threshold, select a storage pool,
click "Set Threshold", enter the threshold level, and click "Apply". The alert threshold is
set.
RAID Group Managem ent
Users can expand a RAID group, add hard drive(s) to a RAID group, migrate a RAID
group, configure a spare drive, enable a bitmap and recover a RAID group for a chosen
storage pool, while the data contained in the RAID group remains intact.
Expanding storage pool capacity
With this function, RAID group capacity can be expanded by replacing hard disk drives
in an array one by one. This option is supported for the following RAID types: RAID 1,
RAID 5, RAID 6 and RAID 10. Follow the steps below to expand a RAID group:
1. Select a RAID group and click "Manage" > "Expand Capacity".
2. Select at least one hard disk drive. After the description displays "Please remove
this drive", remove the hard disk drive from the NAS or expansion enclosure.
3. After the description displays "You can replace this drive", plug in the new hard disk
drive to the drive slot. Repeat the same process for all hard drives to be replaced.
Click "Expand Capacity" to continue.
4. Click "Yes".
5. The chosen RAID group is expanded.
Adding hard disk drives
With this function, new drive members can be added to a RAID group. This option is
supported for the following drive configurations: RAID 5 and RAID 6.
Follow the steps below to add the hard disk drive(s) to a RAID group:
1. Select a RAID group and click "Manage" > "Add Hard Drive".
2. Select hard disk drive(s) from the list to add to the chosen RAID group and click
"Apply".
3. Please note that all data on the selected hard drive(s) will be erased. Click "Yes" if
you are certain about this.
4. The chosen hard disk drive(s) are added to the selected RAID group.