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Exploiting IBM PowerHA SystemMirror V6.1 for AIX Enterprise Edition by Tom Swart, Andrei Socoliuc, Bjorn Roden, SoHee Kim, Michael Herrera, Adriano Almeida, Benny Abrar, Dino Quintero

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Campus-style disaster recovery solutions
This chapter highlights the options that are available for campus-style disaster recovery solutions. In general, campus-style disaster recovery uses the synchronous mirroring method. Synchronous mirroring works in such a way that Logical Volume Manager (LVM) returns control to the application after writing both the local and the remote copies of the data, keeping our disaster recovery site up- to-date. Where having both sites up-to-date is advantageous, the time that it takes to write to the remote physical ...

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