HP Hitachi Universal Replicator for Mainframe User Guide (T5278-96044, November 2011)

Switching Operations to the Secondary Site........................................................................220
Transferring Operations Back to the Primary Site..................................................................221
Resuming Normal Operations at the Primary Site.................................................................222
Disaster Recovery for Multiple Primary and Secondary Storage Systems..................................222
Consistency of the Data Update Sequence When a Disaster Occurs..................................222
Disaster Recovery Procedure.........................................................................................223
Disaster Recovery in a 3DC Cascading Configuration...........................................................223
Recovering from a Disaster at the Main Site in a 3DC Multi-Target Configuration......................224
Recovering from Failures in the Primary Site (When the Delta Resync Operation is Performed).........225
12 Troubleshooting....................................................................................228
Troubleshooting....................................................................................................................228
General Troubleshooting........................................................................................................228
Universal Replicator for Mainframe Software Error Codes..........................................................233
Checking Service Information Messages (SIMs).........................................................................234
Calling HP Technical Support.................................................................................................236
13 Support and Other Resources.................................................................237
Related Documentation..........................................................................................................237
Conventions for Storage Capacity Values.................................................................................237
HP Technical Support............................................................................................................237
Subscription Service..............................................................................................................238
HP Websites........................................................................................................................238
Documentation Feedback.......................................................................................................238
Glossary..................................................................................................239
Index.......................................................................................................242
Contents 7