Overview of PowerHA SystemMirror Enterprise Edition for Metro Mirror

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PowerHA® SystemMirror® Enterprise Edition for synchronous Peer-to-Peer Remote Copy (PPRC), now known as and referred to as Metro Mirror increases data availability for IBM® TotalStorage® volumes that use to copy data to a remote site for disaster recovery purposes.

PowerHA SystemMirror Enterprise Edition for Metro Mirror takes advantage of the following components to reduce downtime and recovery time during disaster recovery:

  • PowerHA SystemMirror cluster management
  • PPRC fallover and fallback functions
  • Optional components:
    • DSCLI PPRC support
    • SAN Volume Controller (SVC) PPRC support

Prerequisites

Before using PowerHA SystemMirror Enterprise Edition for Metro Mirror documentation, you should be familiar with:

  • PowerHA SystemMirror installation and administration
  • General background and Metro Mirror support for the type of implementation you intend to configure:
    • Direct management PPRC (ESS systems)
    • DSCLI PPRC (ESS or DS systems)
    • San Volume Controller (SVC) PPRC