HP OpenView Storage Mirroring User Guide (360226-002, May 2004)
Pausing Storage Mirroring Execution on the Target .......................................................10-14
Pausing through the Management Console ..................................................................................................................................10-14
Pausing through the text clients ......................................................................................................................................................10-14
Resuming through the Management Console ..............................................................................................................................10-15
Resuming through the text clients ..................................................................................................................................................10-15
Chapter 11: Failover ..............................................................................................................11-1
The Failover Process ..............................................................................................................11-1
The Failback Process .............................................................................................................11-1
Failover Clients .......................................................................................................................11-2
Failover Terminology .............................................................................................................11-2
How Failover Works ..............................................................................................................11-3
How Failback Works ..............................................................................................................11-4
How Failure Detection Works ..............................................................................................11-5
Client Connectivity ................................................................................................................11-5
Operating System Differences ..............................................................................................11-5
Windows 200x ...................................................................................................................................................................................... 11-5
Windows NT 4.0 .................................................................................................................................................................................. 11-6
Failover Hardware Configurations .......................................................................................11-7
Single NIC on the source and target ............................................................................................................................................... 11-7
Multiple NICs on the source and single NIC on the target ....................................................................................................... 11-7
Multiple NICs on the source and target ......................................................................................................................................... 11-8
Failover Options .....................................................................................................................11-9
Managing Failover Through the Management Console ...................................................11-10
Managing Failover Through the Failover Control Center ...............................................11-12
Configuring monitoring and failover ...............................................................................................................................................11-12
Monitoring failover .............................................................................................................................................................................11-17
Initiating failback ..................................................................................................................................................................................11-18
Failover IP address placeholders .....................................................................................................................................................11-20
Communication Ports .......................................................................................................................................................................11-21
Manual share updates ........................................................................................................................................................................11-21
Failover Control Center window refresh rate ............................................................................................................................11-21
Testing failover ....................................................................................................................................................................................11-22
Failover manual intervention ............................................................................................................................................................11-22
Managing Failover Through the Text Client .....................................................................11-23
Configuring monitoring and failover ...............................................................................................................................................11-23
Testing failover ....................................................................................................................................................................................11-29
Initiating failback ..................................................................................................................................................................................11-30
Chapter 12: Restoration .......................................................................................................12-1
How the Restoration Process Works .................................................................................12-2
Restoration Options ...............................................................................................................12-3
Restoring Storage Mirroring Data Through the Management Console ..........................12-5
Restoring Storage Mirroring Data Through the Text Client ............................................12-7
Automating Restore ..............................................................................................................12-9