Raid Levels - NEC N8103-91 User Manual

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1-2. RAID Levels

The record mode enabling the RAID feature includes several levels. Among the levels, the
disk array controller supports the following levels; RAID 0, RAID 1, and RAID 5. The
number of HDDs required to create a disk group varies depending on the RAID level as
shown in the table below.
RAID level
RAID 0
RAID 1
RAID 5
Spanning of RAID 1
Spanning of RAID 5
Tips
Number of required HDDs
Min.
1
2
3
4
6
For details of the RAID levels, see "2. RAID Levels" described later in this
chapter.
Max.
8
2
8
4
8