User's Manual

Change Controller Properties
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Does my controller support this feature? See "Supported Features."
The Change Controller Properties task provides you the option to change multiple controller properties simultaneously. This task is available only on SAS
controllers with firmware version 6.1 and later.
You can change any or all of the following properties using the Change Controller Properties task:
l Rebuild Rate
l BGI Rate
l Check Consistency Rate
l Reconstruct Rate
l Abort check consistency on error
l Revertible Hot Spare
l Loadbalance
l Auto replace member on predictive failure
l Redundant path view
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To locate this task in Storage Management, do one of the following:
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1. Select Storage in the Storage tree.
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2. On the Storage Dashboard page, select Change Controller Properties... from the Available Tasks drop down menu.
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3. Click Execute.
Or:
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1. Expand the Storage tree object to display the controller objects.
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2. Select a controller object.
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3. Select the Information/Configuration subtab.
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4. Select Change Controller Properties... from the Controller Tasks drop down menu.
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5. Click Execute.
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Related Information:
l "Set Rebuild Rate"
l "Set Background Initialization Rate"
l "Set Check Consistency Rate"
l "Set Reconstruct Rate"
l "Abort check consistency on error"
l "Revertible Hot Spare"
l "Loadbalance"
l "Redundant Path Configuration"
Manage 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 offline or is deleted for any reason, the
data in the cache is lost.
NOTE: You can set these properties through the command line interface also. See the Dell OpenManage Server Administrator Command Line
Interface User's Guide on the Dell Support website at support.dell.com/manuals, for more information.