HyperSwap for PowerHA SystemMirror
The HyperSwap® function in PowerHA® SystemMirror® Enterprise Edition 7.1.2, or later, provides for continuous availability against storage errors. HyperSwap is based on storage-based synchronous replication. HyperSwap technology enables the host to transparently switch an applications I/O operation to the auxiliary volumes, provided physical connectivity exists between the host and the auxiliary storage subsystem.
The HyperSwap function
in PowerHA SystemMirror supports
the following capabilities within your environment:
- Eliminates primary disk subsystems as the single point of failure.
- Provides maintenance for storage devices without any application downtime.
- Provides migration from an old storage device to a new storage system.