Expanding a RAID Group by Replacing all Disks
You can increase the maximum storage capacity of a RAID group by replacing all member disks with higher-capacity disks. This operation can be performed while the RAID group is online and accessible to users.
- Go to Storage & Snapshots > Storage > Storage/Snapshots.
- Select a storage pool or static volume.
- Click Manage.
- Select a RAID group of type: RAID 1, RAID 5, RAID 6, RAID 10.
- Disable all hot spares and global hot spares assigned to the RAID group.
- Select Manage > Replace Disks One by One.
-
Select a disk to replace.
Ensure that the capacity of the new disk is greater than the capacity of the disk that it is replacing.
-
Click Change.
The disk description changes to Please remove this drive.
-
Remove the disk from the drive
bay.
The NAS beeps twice. Then the disk description changes to Please insert the new disk.
-
Insert a new disk into the same
bay.
The NAS beeps twice. Then the status of the disk and RAID group change to Rebuilding.
-
Wait for rebuilding to finish.
Warning:
Do not remove any disks while the RAID group is rebuilding.
The disks status changes back to Good.
-
Repeat the previous steps until
all disks in the RAID group have been replaced.
The Expand Capacity button is enabled after all disks have been replaced and rebuilding has finished.
-
Click Expand Capacity.
A confirmation message appears.
-
Click OK.
The NAS beeps and the RAID group status changes to Synchronizing.
Warning:Do not power off the NAS or remove any disks while synchronization is in progress.
The RAID group status changes to Ready.