This section provides a brief description of Real Time SAN Replication, which is a disaster recovery system designed to support quick recovery from a large-scale disaster, such as an earthquake or fire. For details about how to operate Real Time SAN Replication, see the HiRDB Version 8 Disaster Recovery System Configuration and Operation Guide.

Note

Real Time SAN Replication is supported only on the HP-UX (other than the HP-UX (IPF) version) and the AIX 5L (other than AIX 5L V5.3 on Thunder 9500V series) versions of HiRDB.

Reference note

The explanations in this section assume the reader is familiar with RAID Manager and TrueCopy.

Organization of this section

8.3.1 Overview of Real Time SAN Replication

8.3.2 Prerequisite platforms and products

8.3.3 Methods of mirroring data to the remote site

8.3.4 All synchronous method

8.3.5 All asynchronous method

8.3.6 Hybrid method

8.3.7 Log-only synchronous method