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Chapter 8 Advanced Copy Management
8.2 Functions in the Action Area for Advanced Copy
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
363
• The following shows the recommended drive configuration of the ETERNUS DX8100 S2/DX8700 S2:
- A mirroring pair should be distributed over drives that are connected to different SAS cascades (*1).
*1: The "SAS cascade" indicates the DEs that are connected to a single BRT port.
Same SAS cascade:
DE#x0, DE#x1, DE#x2, DE#x3 (x: 0 - F)
DE#x8, DE#x9, DE#xA, DE#xB (x: 0 - F)
[Example] SAS cascade for Port#0 of the BRT#0/#1: DE#00, DE#01, DE#02, DE#03
[Example] SAS cascade for Port#1 of the BRT#0/#1: DE#10, DE#11, DE#12, DE#13
The procedure to create an REC Disk Buffer is as follows:
Procedure
1 Click [Create REC Disk Buffer] in [Action].
2 Specify the REC Disk Buffer detailed information, and click the [Create] button.
• Name
Input a RAID group name to be created.
The following input conditions apply:
- Up to 16 alphanumeric characters and symbols (except ", (comma)" and "?")
- Space
• Controlling CM
Select the controlling CM and CPU of the RAID group that is to be created.
"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.
• Encryption by CM
Select the RAID group encryption status with the radio button.
- On
Encryption by CM
- Off
Unencrypted
When the encryption mode is disabled, "On" cannot be selected.
• Checkbox to select drives
Select the checkbox for the drive to be used.
• Drives can be selected from the list of drives that is displayed for Tabular or from the drive
images that are displayed for Graphic. Click the Tabular tab to display a list of the drives or click
the Graphic tab to display drive images.
• Refer to "Requirements for Drive Selection" (page 362)
to select a drive.