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IBM z/OS HyperSwap Technology

IBM z/OS* HyperSwap* technology provides continuous availability for applications and middleware running on z/OS by masking any permanent errors that occur on DASD devices. It is available to clients choosing a comprehensive multisite disaster recovery technology such as GDPS* or the Basic HyperSwap function offered by TotalStorage Productivity Center for Replication (TPC-R). The zHyperWrite function executes transparently to GDPS and TPC-R. No additional code or customization is required for zHyperWrite to work.

—H.M.Y.

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