Storage federation for non-disruptive data mobility with HP 3PAR Peer Motion - Technical white paper
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Introduction .................................................................................................................................................................................... 3 Terminology used ......................................................................................................................................................................... 4 Concepts .......................................................................................................................................................................................... 4 Use cases ........................................................................................................................................................................................ 5 Appliance-less federated data migration ............................................................................................................................ 5 Granular federated array workload management ............................................................................................................ 5 Zero downtime technology refresh ...................................................................................................................................... 5 Nearly zero impact migration ................................................................................................................................................. 5 Choice between a graphical and a command line interface ............................................................................................ 6 Alignment of storage usage with cost ................................................................................................................................. 6 Comparing HP Storage Federation with traditional storage virtualization appliances .................................................. 6 New Peer Motion features introduced since HP 3PAR OS 3.1.3 ......................................................................................... 7 Theory of operation ...................................................................................................................................................................... 8 Feature overview ........................................................................................................................................................................... 9 Features common to Peer Motion wizard and Peer Motion Utility ................................................................................ 9 Features specific to Peer Motion Management Console wizard ................................................................................... 10 Features specific to Peer Motion Utility.............................................................................................................................. 10 Technical prerequisites .............................................................................................................................................................. 11 HP 3PAR OS and host OS environment .............................................................................................................................. 11 Peer Motion workflow using HP 3PAR Management Console .......................................................................................... 12 Online migration ...................................................................................................................................................................... 12 Minimally disruptive migration ............................................................................................................................................. 22 Offline migration ..................................................................................................................................................................... 23 Peer Motion workflow using Peer Motion Utility .................................................................................................................. 24 Peer Motion Utility commands ............................................................................................................................................. 24 Peer Motion Utility migration stages .................................................................................................................................. 24 Scripting a Peer Motion Utility migration................................................................................................................................ 26
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