Hewlett-packard Development Company, L.P.

Milos Manic

David Kiyoshi Umberger

Guillermo Navarro

A technique includes determining a workload on mass storage system that is associated will user requests during a time in which mass storage system is replicating data from a source data unit of the mass storage system to a replica storage unit of the mass storage system. The technique includes determining a progress rate associated with the replication and managing processing of the user requests and the data replication for the mass storage system, including initiating corrective action in response to determining that the workload is near a predetermined maximum workload threshold and the progress rate is near a predetermined minimum threshold.

Managing processing of user requests and data replication for a mass storage system

Embodiments include methods, apparatus, and systems for controlling of sparing in a storage system. In one embodiment, a method compares a first amount of time to complete sparing of data from a failed disk in a storage system with a second amount of time to complete a user request to the storage system in order to determine when to create a copy of the data from the failed disk.

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Idaho Falls, ID, United States of America

Milos Manic