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RAID Controller Batteries 191
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RAID Controller Batteries
Some RAID controllers have batteries. If the controller has a battery, Storage
Management displays the battery under the controller object in the tree view.
In the event of a power outage, the controller battery preserves data that is in
the volatile cache memory (SRAM) but not yet written to disk. The battery is
designed to provide a minimum of 24 hours back up.
When a RAID controller is first installed in a server, the battery may need
charging. The battery is fully charged in 30 minutes.
For more information on Alert Messages, see the Dell OpenManage Server
Administrator Messages References Guide at support.dell.com/manuals.
Related Information:
• Battery Properties and Tasks
• Start Learn Cycle
• Battery Delay Learn Cycle
Battery Properties and Tasks
Use this window to view information about the battery and execute battery
tasks.
Battery Properties
The battery tree-view object has the following properties.