International Business Machines Corporation

Bengt E Larsson

William J Rooney

Warren Keith Stanley

Susan Kay Candelaria

Nicolas Marc Clayton

David Randall Blea

Lisa Joan Gundy

Tri M Hoang

Corey G Smeaton

Michael J Shannon

Provided are a computer program product, system, and method for establishing copy pairs from primary volumes to secondary volumes in multiple secondary storage systems for a failover session. For each of the copy pairs, data is mirrored from the primary storage system to the associated secondary storage system in the copy pair. A failure is detected at the primary storage system. Selection is made of a selected secondary storage system of the secondary storage systems in response to detecting the failure, wherein a plurality of the secondary storage systems are available for selection. The selected secondary storage system is indicated as a new primary storage system to which host requests are directed.

Establishing copy pairs from primary volumes to secondary volumes in multiple secondary storage systems for a failover session

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Karlstad, Sweden

Bengt E Larsson