ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
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Appendix F
Automatic Controlling CM-CPU Setting
This chapter describes controlling CM-CPU allocation if "Automatic" is specified when setting the controlling
CM-CPU.
■ For ETERNUS DX80 S2/DX90 S2 and ETERNUS DX410 S2
■ For ETERNUS DX440 S2, ETERNUS DX8100 S2/DX8700 S2 (2CM)
*1: Divide the RAID group number by the number of CM-CPUs ("4").
■ For ETERNUS DX8700 S2 (4CM)
*1: Divide the RAID group number by the number of CM-CPUs ("8").
RAID group number Controlling CM-CPU assignment
Even numbers CM#0 CPU#0
Odd numbers CM#1 CPU#0
Remainder when dividing
the RAID group number by "4" (*1)
Controlling CM-CPU assignment
0 CM#0 CPU#0
1 CM#1 CPU#1
2 CM#1 CPU#0
3 CM#0 CPU#1
Remainder when dividing
the RAID group number by "8" (*1)
Controlling CM-CPU assignment
0 CM#0 CPU#0
1 CM#3 CPU#1
2 CM#1 CPU#0
3 CM#2 CPU#1
4 CM#2 CPU#0
5 CM#1 CPU#1
6 CM#3CPU#0
7 CM#0 CPU#1