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Chapter 6 RAID Group Management
6.2 Functions in the Action Area for RAID Group
•
Before applying ECO mode for RAID groups, use the procedure in
"11.2.6.1 Modify ECO Mode General Setting" (page 540)
ECO mode setting for the ETERNUS DX Disk storage system.
•
Set the ECO mode schedule using the procedure in
ECO Mode Schedule" (page
•
ECO mode is not available for the following RAID groups:
-
No volumes are created
-
Configured by SSDs
-
Registered as a REC Disk Buffer
•
RAID groups to which the Snap Data Pool Volumes (SDPVs) belong
cannot be selected as the target for disk motor management by the
ECO mode.
•
When using ECO mode, make sure to set the time/date correctly. If the
time/date of the ETERNUS DX Disk storage system is wrong,
processes used for stopping and starting the disk motor cannot be
performed per the ECO mode schedule.
•
If any of the following conditions occur even when the disk motor is
inactive, the disk motor is activated. The ECO mode schedule is re-
enabled when the conditions listed have finished.
-
When the target RAID group status is not "Available"
-
When performing functions that change the RAID group or the
volume configuration
-
When performing rebuild or copyback in the target RAID group
-
When LDE is being performed in the RAID group
-
When formatting is being performed in the volumes registered in the
RAID group
-
When RAID migration is being performed in the volumes registered
in the RAID group
-
When Advanced Copy is being performed in the volume registered in
the RAID group (copy session status is not "Suspend" or "Tracking")
-
When encryption is being performed in the volumes registered in the
RAID group
-
During maintenance
-
When performing disk diagnosis, RAID group diagnosis, or when
exporting G-List
-
Module error related to access path to the controller modules and
drives is detected
When selecting multiple RAID groups as the target of the ECO mode, the
same ECO mode schedule can be specified for all the selected RAID
groups.
132
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546).
to enable the
"11.2.6.4 Modify
P2X0-1090-02ENZ0
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