Users Guide
Managing Physical Disk Power Using The Customized Power Savings
Mode
To manage physical disk power through the Customized Power Savings Mode:
1 Select the Customized Power Save Mode option.
2 Edit the remaining parameters on the Manage Physical Disk Power page. You can also congure the options in the QoS section as
described in the following section.
Managing Physical Disk Power Using The QoS Option
To manage physical disk power through the QoS option:
1 Select the Customized Power Save Mode option.
2 In the Spin Down Congured Drives drop-down menu, select Enabled.
3 The Quality of Service (QoS) option is enabled.
Enter the Start Time and Time Interval to spin up.
4 Click Apply.
Managing The Time Interval For The QoS Option
To manage the time interval for the QoS option at the virtual disk level:
1 In the Quality Of Service (QoS) page, select Enable Quality of Service Settings.
2 Set the Start Time.
The start time can range from 1 to 24 hours.
3 Click Apply Changes.
NOTE
: The Enable Quality of Service Settings option is enabled only if the Spin Down Congured Drives option is
enabled.
To Locate Manage Physical Disk Power In Storage Management
1 In the Server Administrator window, under the system tree, expand Storage to display the controller objects.
2 Select a controller object.
3 Click Information/Conguration on the controller Properties page.
4 Select Manage Physical Disk Power from the Available Tasks drop-down menu.
5 Click Execute.
Managing The Preserved Cache
The Managed Preserved Cache feature provides you the option to ignore or restore the controller cache data.
In the write-back policy, data is written to the cache before being written to the physical disk. If the virtual disk goes oine or is deleted for
any reason, the data in the cache is lost.
Controllers
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