File name: tadm_snrmain.html
Backing up and recovering the application serving environment
The product uses many operating system and application
resources that you should consider adding to your backup and recovery
procedures.
About this task
WebSphere® Application Server resources can
be saved while the product environment is active. When backing up
database data, you may have to shut down some or all services if a
snapshot cannot be obtained. This would occur if there are requests
which obtain locks or have open transactions against the database
being saved. In a distributed environment, you may need to consider
how to get a consistent backup across several systems. If the data
on systems is not closely related to data on other systems, you may
be able to backup each system in isolation. If you need a snapshot
across systems simultaneously, you may need to stop activity on all
systems while the snapshot is taken.
How often you back up resources
depends largely on when or how often you expect them to change.
Procedure
- Back up your product environment configuration.
This
category covers the resources that define your
WebSphere Application Server operating environment.
Once you have done initial setup, this information should change very
infrequently. You might backup this information only when you change
these settings, and not include these resources in regularly scheduled
backups.
- Administrative configuration files
- HTTP configuration (see the documentation for your web server)
- Back up your applications.
This category
covers the applications you run using the product. You should back
these up the same way you back up other applications on your system.
You could backup these resources every time you add or change an application,
or include these resources in a regularly scheduled backup.
- Application deployment configuration files
- Back up your application data.
This category
covers the data stores used by your
WebSphere Application Server applications.
Unless your applications serve only static information, these resources
are usually quite dynamic. You should back these up the same way you
back up other business data on your system. These resources are suited
for inclusion in a regularly scheduled backup.
What to do next
If your applications are using other resources or services
that are external to the product, remember to include those in your
backup plan as well.
In this information ...
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