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Dell PowerEdge RAID Controller 9 User’s Guide H330, H730, and H830

Battery Transparent Learn Cycle

A transparent learn cycle is a periodic operation that calculates the charge that is remaining in the battery to ensure there is sufficient energy. The operation runs automatically, and causes no impact to the system or controller performance.

The controller automatically performs the Transparent Learn Cycle (TLC) on the battery to calibrate and gauge its charge capacity once every 90 days. The operation can be performed manually, if required.

NOTE:Virtual disks stay in Write Back mode, if enabled, during transparent learn cycle. When the TLC completes, the controller sets the next TLC to +90 days.

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