International Business Machines Corporation

Mann Du

Todd Charles Sorenson

Larry Juarez

Ronald David Martens

Ya-Huey Juan

Brian C Kraemer

Su Qin

Ji Qiu Xu

Power line disturbance hold up times are dynamically adjusted based on battery capacity of a plurality of batteries in a plurality of racks upon determining an amount of the power line disturbance one of the plurality of racks, having a fewest number of remaining batteries of the plurality of batteries with the battery capacity, is able to support.

Dynamically adjusting power disturbance hold up times

Power line disturbance hold up times are dynamically adjusted based on battery capacity of a plurality of batteries in a plurality of racks by determining which one of the plurality of racks has a fewest number of remaining batteries of the plurality of batteries having the battery capacity. A determination of an amount of the power line disturbance the one of the plurality of racks, having the fewest number of remaining batteries of the plurality of batteries with the battery capacity, is able to support.

Power line disturbance hold up times are dynamically adjusted prior to the commencement of the power disturbance failover based on battery capacity of batteries in racks of the storage system as the batteries either fail, are repaired, or are added to the storage system having at least one uninterruptible power supply (UPS).

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Palo Alto, CA, United States of America

Mann Du