DELL MD3220 사용자 설명서

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Configuration: About Your Storage Array
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The learn cycle completes the following operations:
• Discharges the battery to a predetermined threshold 
• Charges the battery back to full capacity 
A learn cycle starts automatically when you install a new battery module. 
Learn cycles for batteries in both RAID controller modules in a duplex system 
occur simultaneously.
Learn cycles are scheduled to start automatically at regular intervals, at the 
same time and on the same day of the week. The interval between cycles is 
described in weeks.
Use the following guidelines to adjust the interval:
• You can use the default interval. 
• You can run a learn cycle at any time. 
• You can set the learn cycle earlier than the currently scheduled time. 
• You cannot set the learn cycle to start more than seven days later than the 
currently scheduled time. 
To change the battery settings perform these steps:
In the AMW, select Storage ArrayChange Battery Settings.
The 
Battery Settings dialog opens.
In Battery location, select a battery.
Check these details about the battery: 
• Battery status 
• Battery age
• Days until replacement 
For more information, see the PowerVault Modular Disk Storage Manager 
online help topics.
Setting the Storage Array RAID Controller Module Clocks
You can use the Synchronize RAID Controller Module Clocks option to 
synchronize the storage array RAID controller module clocks with the storage 
management station. This option makes sure that the event timestamps 
book.book  Page 79  Monday, June 21, 2010  11:00 AM