With a RAID 1, RAID 5, or RAID 6 volume, you can also add a spare disk after the
RAID is created.
See Chapter 6: Tips and Tricks > Adding a Spare Disk for details.
For more information on RAID, see Appendix B: RAID Basics.
RAID Level
You can set the storage volume as JBOD, RAID 0, RAID 1, RAID 5, RAID 6 or
RAID 10, (N8900 support RAID 50 and RAID 60). RAID configuration is usually
required only when you first set up the device. A brief description of each RAID
setting follows:
RAID Levels
Level Description
JBOD The storage volume is a single HDD with no RAID support. JBOD
requires a minimum of 1 disk.
RAID 0 Provides data striping but no redundancy. Improves performance
but not data safety. RAID 0 requires a minimum of 2 disks.
RAID 1 Offers disk mirroring. Provides twice the read rate of single disks,
but same write rate. RAID 1 requires a minimum of 2 disks.
NOTE
Building a RAID volume may take time, depending on the size of hard drives
and RAID mode. In general, while the RAID volume building process is up to
“RAID Building” then the data volume is capable to be accessed.
WARNING
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