IBM PowerHA SystemMirror for AIX

PowerHA SystemMirror for AIX Enterprise Edition

Increasingly, IT organizations are being asked to provide multi-site configurations for disaster recovery as well as to periodically demonstrate compliance to corporate policy and regulations. In the past, this was typically a recover from tape operation or a reboot operation at the remote location. The PowerHA SystemMirror Enterprise Edition is essential for clients who must both protect themselves from site-wide failures as well as to be able to readily demonstrate the capability to do so. Storage servers or host based replication provide the data replication services and the Enterprise Edition enables the management and automation of the failover process. With V7 of PowerHA SystemMirror Enterprise Edition we introduce HyperSwap with the IBM DS8800 in the Metro Mirror configuration. This advanced technology provides the capability for a cluster to span two sites with the storage and servers cross coupled in a manner that keeps the application resilient through either a storage server or a production server outage (for active-active workloads). Geographically dispersed configurations can be deployed via a stretched cluster configuration defined as having a single cluster repository or via a linked cluster configuration with two independent yet linked cluster repositories. A stretch cluster can also be deployed with the Standard Edition and LVM mirroring in a cross site mirror configuration similar to what clients have deployed in previous versions. The stretched cluster configuration provides three levels of cluster communication redundancy via multi-cast across the network, SAN fabric and repository disk.

  • The Enterprise Edition with the GLVM (Geographic Logical Volume Manager) component provides host-based synchronous and asynchronous data replication and failover to remote sites. You can economically deploy your own disaster recovery solution with the GLVM configuration wizard.
  • The Enterprise Edition supports IBM Storage Systems DS8800, SVC, V7000 and XIV with either Metro Mirror or Global Mirror, enabling automatic failover between geographically dispersed data centers.

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Companies embracing Smarter Computing are implementing IT infrastructure based on the IBM Power Systems platform that is designed for data, tuned to the task and managed with cloud technologies. With Power Systems, businesses can outpace their competitors by delivering services faster, differentiate their offerings by delivering higher quality services, and turn operational cost into investment opportunity by delivering services with superior economics.

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Migration from HACMP/XD for HAGEO to PowerHA SystemMirror Enterprise Edition, GLVM Configuration