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Chapter 6 RAID Group Management
6.2 Functions in the Action Area for RAID Group
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
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2 Select the controlling CM after changing, and click the [Change] button.
• New Controlling CM
Specify the new controlling CM and CPU.
"Automatic" and the installed "CM#x CPU#y" in normal status are displayed as options.
- Automatic
- CM#x CPU#y (x: CM number, y: CPU number)
Select "Automatic" for normal operations. When "Automatic" is selected, the CM-CPU that is to be
assigned is determined by the RAID group number. Refer to "Appendix F Automatic Controlling CM-
CPU Setting" (page 1011) for details.
→ A confirmation screen appears.
3 Click the [OK] button.
→ Changing controlling CM starts.
4 Click the [Done] button to return to the [RAID Group] screen.
End of procedure
During controlling CM change, the storage system status is changed from Write Back mode to Write
Through mode.