Hardware Reference
In-Depth Information
Strip 0
Strip 1
Strip 2
Strip 3
(a)
Strip 4
Strip 5
Strip 6
Strip 7
RAID level 0
Strip 8
Strip 9
Strip 10
Strip 11
Strip 0
Strip 1
Strip 2
Strip 3
Strip 0
Strip 1
Strip 2
Strip 3
RAID
level 1
(b)
Strip 4
Strip 5
Strip 6
Strip 7
Strip 4
Strip 5
Strip 6
Strip 7
Strip 8
Strip 9
Strip 10
Strip 11
Strip 8
Strip 9
Strip 10
Strip 11
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
(c)
RAID level 2
Bit 1
Bit 2
Bit 3
Bit 4
Parity
(d)
RAID level 3
Strip 0
Strip 1
Strip 2
Strip 3
P0-3
(e)
Strip 4
Strip 5
Strip 6
Strip 7
P4-7
RAID level 4
Strip 8
Strip 9
Strip 10
Strip 11
P8-11
Strip 0
Strip 1
Strip 2
Strip 3
P0-3
Strip 4
Strip 5
Strip 6
P4-7
Strip 7
(f)
Strip 8
Strip 9
P8-11
Strip 10
Strip 11
RAID level 5
Strip 12
P12-15
Strip 13
Strip 14
Strip 15
P16-19
Strip 16
Strip 17
Strip 18
Strip 19
Figure 2-23.
RAID levels 0 through 5. Backup and parity drives are shown shaded.
