AUTONOMOUS BATTERY RECHARGE CONTROLLER

Abstract: in a data storage system, the storage capacity of a partition of volatile memory configured to store write-pending data is only increased after increasing the charge state of a backup power battery to protect the additional storage capacity. a forecast of needed storage capacity is computed for the partition. if the forecast storage capacity is greater than a predetermined percentage of current storage capacity, then the charge state of the battery is increased by a fixed amount relative to full charge. the storage capacity protected by the charge state of the battery inclusive of the charge state increase is computed and the storage capacity of the partition is increased to the computed amount. the charge state of the battery and the storage capacity of the partition are increased iteratively to achieve a target storage capacity such that the forecast storage capacity is not greater than the predetermined percentage of the target storage capacity.

Inventor(s): Owen Martin, Ramesh Doddaiah

CPC Classification: G06F3/0619 ({in relation to data integrity, e.g. data losses, bit errors})

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