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Appendix A Screen Details
> A.10 Create RAID Group
ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance
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Copyright 2010 FUJITSU LIMITED
P2X0-0760-02ENZ0
■ Allocating the controlling CM-CPU when selecting "Auto"
When you have selected "Auto" for the controlling CM, the controlling CM-CPU to be allocated
will be decided by the RAID Group number.
The following are the relationships between the RAID Group number and the controlling CM-
CPU. (All CM-CPU are installed and in normal status.)
Number of CMs
(CPUs)
The remainder created by dividing
RAID Group number (decimal) by "16"
Controlling CM-CPU to be allocated
8CM
(16CPU)
0CM#0 CPU#0
1CM#7 CPU#1
2CM#1 CPU#0
3CM#6 CPU#1
4CM#2 CPU#0
5CM#5 CPU#1
6CM#3 CPU#0
7CM#4 CPU#1
8CM#4 CPU#0
9CM#3 CPU#1
10 CM#5 CPU#0
11 CM#2 CPU#1
12 CM#6 CPU#0
13 CM#1 CPU#1
14 CM#7 CPU#0
15 CM#0 CPU#1
Number of CMs
(CPUs)
The remainder created by dividing
RAID Group number (decimal) by "12"
Controlling CM-CPU to be allocated
6CM
(12CPU)
0CM#0 CPU#0
1CM#5 CPU#1
2CM#1 CPU#0
3CM#4 CPU#1
4CM#2 CPU#0
5CM#3 CPU#1
6CM#3 CPU#0
7CM#2 CPU#1
8CM#4 CPU#0
9CM#1 CPU#1
10 CM#5 CPU#0
11 CM#0 CPU#1