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LenelS2 EVA 54 User Manual
Background activities
Background activities perform a variety of preventive and remedial functions on your
physical drives, disk arrays, logical drives, and other components.
You can run a background activity immediately or schedule it to run at a later time.
Setting options for each activity are listed after the scheduling options. These
settings determine how the background activity affects I/O performance.
View current background activities
To view current background activities:
1. Click the Subsystem icon of the subsystem on which you want to view
Background Activities.
2. In the Subsystem menu, click the Background Activities tab. Background
Activities currently running are displayed in the top portion of the menu. You can
also view the current Background Activities parameter settings in the lower part of
the menu. Click the Background Activity Parameters menu expander to view the
current parameter settings.
View background activities parameters settings
To view current background parameter settings:
1. Click the Subsystem icon of the subsystem on which you want to view
Background Activities.
2. Click the Background Activity Parameters menu expander to view the current
parameter settings. The parameters listed are as follows:
• Rebuild Rate
• Background Synchronization Rate
• Logical Drive Initialization Rate
• Redundancy Check Rate
• Migration Rate
• PDM Rate
• Transition Rate
• Reassigned Block Threshold
• Error Block Threshold
• Enable Media Patrol
• Enable Auto Rebuild