Hp Storage Mirroring Software User Manual download pdf (Page 307)

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! Application Failover

Application Failover

Storage Mirroring simulates application failover by replicating and failing over key application functions like user data, shares,

machine names, IP addresses, and so on. Functions like service availability can also be triggered during failover by using Storage

Mirroring’s flexible scripting features. These scripts allow you to create and execute scripts on the target machine before and

after failover and failback. You can also create and execute scripts on the source machine after failback. These scripts may

contain any valid Windows command, executable, or batch file

Examples of functions specified in pre- and post-failover and failback scripts include:

! Stopping services on the target before failover because they may not be necessary while the target is standing in for the

source

! Stopping services on the target that need to be restarted with the source’s machine name and IP address

! Starting services or loading or applications that are in an idle, standby mode waiting for failover to occur

! Notifying the administrator before and after failover or failback occurs

! Stopping services on the target after failback because they are no longer needed

! Stopping services on the target that need to be restarted with the target machine’s original name and IP address

With these flexible scripting features, application failover using Storage Mirroring can be seamless to the end user. HP tests

many of the popular applications on the market today including Exchange, SQL, Oracle, and Lotus Notes, just to name a few.

The results of these testing procedures are written up into formal Application Notes that describe how Storage Mirroring

should be configured to work correctly with certain applications.

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Hp Storage Mirroring Software User Manual Page 307