IBM TotalStorage EXP100, Инструкция по установке, использованию и обслуживанию

Страница: 54 / 188

For example, in Figure 12, an 8-drive RAID-1 array would be comprised of A1,
B1, C1, and so on, through H1. In Figure 13, an 8-drive RAID-1 array would be
comprised of A1, B2, C1, and so on, through H2. Similarly, in Figure 12, an
8-drive RAID-5 array would be comprised of A1, B1, C1, and so on, through H1.
In Figure 13, an 8-drive RAID-5 array would be comprised of A1, B2, C1, and so
on, through H2.
... ...
A
B
H
Array
#1
Array
#2
Array
#3
Array
#4
Array
#5
Array
#7
Possible
Hot-Spares
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
10
10
10
11
11
11
12
12
12
13
13
13
14
14
14
Figure 12. Orthogonally striped RAID arrays – Option 1
1 14 13
12
7 6 5 4 11 10 9 8 3 2
1 14 13
12
7 6 5 4 11 10 9 8 3 2
1 14 13 12 7 6 5 4 11 10 9 8 3 2
1 14 13 12 7 6 5 4 11 10 9 8 3 2
... ... ... ...
A
B
C
H
Array
#1
Array
#2
Possible
Hot-Spares
Figure 13. Orthogonally striped RAID arrays – Option 2
28
IBM TotalStorage DS4000 EXP100 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide