February 2004
Intermediate to advanced
848 pages
27h 25m
English
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Domain Backups
Now that you have created a domain, it is important to understand how to back up critical domain data in case of a failure. You can archive domain configurations in various ways — by using periodic backups to tape or fault-tolerant disks, or by manually copying files to another machine. Having a backup allows you to restart the Administration Server on a different machine in case of failure, or restart a Managed Server in the absence of the Administration Server.
The three resources to back up are the configuration data for the domain, the security data for the domain, and, of course, any deployed applications.
Configuration Data
The most critical aspect of a domain configuration is the config.xml file that holds the configuration for the entire domain. The config.xml file usually is stored in the root directory of the domain. Although you can start a Managed Server without it in certain circumstances, it is necessary for the overall administration of the domain.
The file usually is accompanied by a useful secondary backup, config.xml.booted. This file is created only after the Administration Server has successfully started up. So, for instance, if you have made severe changes to the configuration for a domain, and the Administration Server no longer starts up, you can overwrite the config.xml file with the config.xml.booted file, and thereby restore the domain to its last known successful startup configuration. This is very useful while you are experimenting with ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.