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IBM PowerHA SystemMirror V7.2.1 for IBM AIX Updates by Anthony Steel, Matthew W Radford, Fabio Martins, Maria-Katharina Esser, Bing He, Bunphot Chuprasertsuk, Bernhard Buehler, Shawn Bodily, Dino Quintero

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Cluster partitioning management update
From Version 7.1 forward, PowerHA SystemMirror provides more split and merge policies. Split and merge policies are important features in PowerHA SystemMirror because they are used to protect customers’ data consistency and maintain application running stably in cluster split scenarios and other unstable situations. They are vital for customer environments.
This chapter describes split and merge policies.
This chapter covers the following topics:

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