LenelS2 EVA 54 User Manual
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Manage background activities settings
The parameters listed in the Background Activities menu are configured in the
Background Activities Settings menu. To change Background Activities settings
1. Click the Subsystem icon of the subsystem on which you want to view
Background Activities.
2. Click the menu expander between the Background Activities tab and the
Scheduler tab and select the Settings option. The following settings can be
configured:
• Rebuild Rate High, Medium, Low
• Background Synchronization Rate High, Medium, Low
• Logical Drive Initialization Rate High, Medium, Low
• Redundancy Check Rate High, Medium, Low
• Migration Rate High, Medium, Low
• PDM Rate High, Medium, Low
• Transition Rate High, Medium, Low
• Reassigned Block Threshold
• Error Block Threshold
• Enable Media Patrol
• Enable Auto Rebuild
These settings can be also scheduled using the Scheduler. See the instructions for
using schedules following the parameters descriptions below.
Rebuild settings
To change Rebuild setting the in Background Activities Settings menu:
1. Use the Rebuild Rate drop-down menu to choose a rate:
• Low – Fewer system resources to the Rebuild, more to data read/write
operations.
• Medium – Balances system resources between the Rebuild and data
read/write operations.
• High – More system resources to the Rebuild, fewer to data read/write
operations.
2. To enable Auto Rebuild (rebuilds when you swap out the failed drive with a new
one) Check the Enable Auto Rebuild box.
3. Click the Submit button.
Rebuild Rate
When you rebuild a disk array, you are actually rebuilding the data on one physical
drive.