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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, RAID 5, and RAID10. The number of HDDs required to create a logical drive varies depending on the RAID level as shown in the table below.
RAID level | Number of required HDDs | ||
Min. | Max. | ||
| |||
RAID 0 | 1 | 4 | |
RAID 1 | 2 | 2 | |
RAID 5 | 3 | 4 | |
RAID 10 | 4 | 4 | |
For details of the RAID levels, see "2. RAID Levels" described later in this chapter.
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