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RAID Level
You can set the storage volume as
JBOD
,
RAID 0
,
RAID 1
,
RAID 5, RAID 6,
RAID 10, RAID 50 or RAID 60 (depending on model)
.
Level
Model
JBOD
RAID
0
RAID
1
RAID
5
RAID
6
RAID
10
RAID
50
RAID
60
TERRA NASBOX 5
G2
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ
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 a single disk,
but same write rate. RAID 1 requires a minimum of 2 disks.
RAID 5
Data striping and stripe error correction information provided.
RAID 5 requires a minimum of 3 disks. RAID 5 can sustain one
failed disk.
RAID 6
Two independent parity computations must be used in order to
provide protection against double disk failure. Two different
algorithms are employed to achieve this purpose. RAID 6 requires
a minimum of 4 disks. RAID 6 can sustain two failed disks.
RAID 10
RAID 10 has high reliability and high performance. RAID 10 is
implemented as a striped array whose segments are RAID 1
arrays. It has the fault tolerance of RAID 1 and the performance
of RAID 0. RAID 10 requires 4 disks. RAID 10 can sustain two
failed disks.
RAID 50
RAID 50 combines the straight block-level striping of RAID 0 with
the distributed parity of RAID 5. This is a RAID 0 array striped
across RAID 5 elements. It requires at least 6 drives.
RAID 60
RAID 60 combines the straight block-level striping of RAID 0 with
the distributed double parity of RAID 6. That is, a RAID 0 array
striped across RAID 6 elements. It requires at least 8 disks.
Edit RAID
On the
RAID Information
screen, press the
Edit
button to go to the
RAID
Information
screen.
Using
Edit RAID
, you can select RAID ID and the Spare Disk.
WARNING
If the administrator improperly removes a hard disk that should not be
removed when RAID status is degraded, all data will be lost.