<p>The High Availability Manager software is used with HDS' replication software -- Hitachi Universal Replicator
and Hitachi TrueCopy -- to fail over storage pools across storage arrays for data recovery at the primary site or at a remote sites during downtime.<p>According to HDS, a typical implementation requires a pair of Hitachi USP Vs, along with Hitachi's TrueCopy Synchronous software and Hitachi Dynamic Link Manager software on the hosts.<p>Copyright 2009 IDG Middle East.
The Hitachi USP also features new software enhancements, including Hitachi Universal Replicator
, accommodating larger configurations with higher performance, including support for 64K data volumes distributed across four USP systems; enhanced Hitachi Universal Replicator
Delta Resync capability for open and mainframe systems; Hitachi ShadowImage In-System Replication, enhanced to accommodate an increased number of data volumes, while data replication performance is increased by up to 300%, or above 1Gb/s; as well as new audit logging capabilities.