User's Manual

Controllers 133
Table 7-8. Manage Physical Disk Power Properties
To manage physical disk power on unconfigured drives and hot spares:
1
Select Enabled for the Spin Down Unconfigured Drives and Spin Down
Hot Spares
options.
2 Click Apply Changes. To exit and cancel your changes, click Go Back to
Previous Page
.
To manage physical disk power through the Customized Power Savings
Mode:
1
Select the Customized Power Save Mode option.
Property Definition
Spin Down
Unconfigured Drives
The Enabled option spins down the unconfigured disks if
they are unattended for a specified interval of time.
Spin Down Hot
Spares
The Enabled option spins down the hot spares if no
read-write operation takes place on the hot spare in a
specified interval of time.
Spin Down
Configured Drives
The Enabled option spins down the configured disks if they
are unattended for a specified interval of time.
Automatic Disk
Power Saving (Idle C)
This property enables or disables the Dell Auto Idle C feature
for additional power saving. When enabled, it will not affect
legacy drives but, will enable new generation drives to
perform partial RPM (Idle C) during idle period for
additional power savings.
Time Interval for
Spin Down
This property sets the time interval after which the hot spares
and unconfigured drives spins down.
Quality Of Service (QOS)
Enable Quality Of
Service Settings
Select this check box to set the start time and the time
interval for spin up.activity at the virtual disk level.
NOTE: This option is available only if the Spin Down Configured
Drives option is selected.
Start Time
(HH:MM)
The start time of the battery learn cycle. This option is
enabled only if the Enable Quality Of Service Settings check
box is selected.
Time Interval for
Spin Up(in Hours)
The spin up time interval for the battery learn cycle. The time
interval can range from 1-24 hours.