Fujitsu DX8000 User Manual

Appendix A  Screen Details
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A.10  Create RAID Group

ETERNUS DX400/DX8000 series ETERNUSmgr  User Guide Settings/Maintenance

Copyright 2010 FUJITSU LIMITED   

P2X0-0760-02ENZ0

Number of CMs
(CPUs)

The remainder created by dividing 

 

RAID Group number (decimal) by "8"

Controlling CM-CPU to be allocated

4CM
(8CPU)

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#3  CPU#0

7

CM#0  CPU#1

Number of CMs
(CPUs)

The remainder created by dividing 
RAID Group number (decimal) by "4"

Controlling CM-CPU to be 

 

allocated

2CM
(4CPU)

0

CM#0  CPU#0

1

CM#1  CPU#1

2

CM#1  CPU#0

3

CM#0  CPU#1

Number of CMs
(CPUs)

The remainder created by dividing 
RAID Group number (decimal) by "2"

Controlling CM-CPU to be allocated

2CM
(2CPU)

0

CM#0  CPU#0

1

CM#1  CPU#0

If there is a CM-CPU that is uninstalled or not in normal status, controlling             
CM-CPU is allocated to equalize the load with other available CM-CPUs.