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3. Specify a stripe size — 64K is the default setting.
4. Press Create to build the RAID storage volume.
With a RAID 5 array, you can also add a spare disk after the RAID is created. See
Chapter 7: Tips and Tricks > Adding a Spare Disk for details.
When you create RAID, you can assign a portion of space on the RAID to be used
as a USB disk. For instructions on how to do this, see Chapter 7: Tips and
Tricks > Target USB.
Deleting a RAID
To delete a RAID volume, follow the steps below:
1. On the RAID Configuration screen, click Remove RAID.
2. The system automatically rebuilds and you can create a new RAID.
Scroll to the bottom half of the RAID Configuration screen, you will see RAID
Advanced Configuration screen. Advanced RAID Configuration options include
RAID Migration and RAID Expansion. Descriptions of each are below:
Advanced RAID Configuration
Item Description
RAID Migration Changes the number of disks or RAID level in current RAID
configuration. The system will list the possible migration paths,
and enable you to choose a possible path. For example, RAID 1
with two disks can be migrated to RAID 5 with 3 disks or RAID 5
with 3 disks can be migrated to RAID 5 with 4 disks.
RAID levels currently supported are : RAID 0, 1, 5.
RAID Expansion When larger disks have replaced the smaller disks thru RAID
Rebuild, the file system on the RAID is not changed. You can
press this button to check to see if there is room to expand the
file system. If yes, then the file system will grow to take
advantage of the larger disks.
NOTE
Building a RAID storage space may take time, depending on the size of hard drives
and RAID mode.
WARNING
Creating RAID destroys all data in the current RAID. The data is unrecoverable.
WARNING
Removing RAID destroys all data in the current RAID. The data is unrecoverable.
NOTE During RAID Migration and RAID Expansion, all the file services such as SMB/CIFS,
AFP, NFS, and FTP will not be available. The time to finish these operations depends
on the size of your hard disk drives and your RAID volume.
WARNING • RAID Migration and Expansion are inherently risky operations. Please make sure
your system is protected by a UPS (Uninterruptible Power Supply) to prevent
accidental power failure, which might result data loss.
• These operations will cause heavy loading on your RAID system. RAID Migration
and RAID Expansion will not be available if your RAID is in a degraded state.