Tuesday, 26 July 2011

WLA Production Issues

WLA production support Issues

Day to day there are many issues comes to WebLogic Administrator, my recent issues (this week) faced and fixed them on time

There is issue going in a Data center, all the people in the data center are feeling panic. There lift their hands unable to find from where this issue originated. While starting the WebLogic instance unable to start.

A smart WLA, How is not only think in WebLogic, he is having fantastic knowledge about UNIX too. Just within few minutes after he found the root cause of the issue is one of the mounted Disk space is overloaded 100% disk utilization FULL!!

How he found the space issue you can see here. It the problem is that there is not enough space to start the sever instance. In the server instance log it is going to show space issue. A small JVM kid unable to have sufficient memory.

/logs> du - sk *|sort –rn |head
12050 lof_09-14-2010.log
2950 LOF_PERF_09-14-2010.log
2951 346 startWebLogic.OUT
488 PERF_09-14-2010.log
489 452 LOG_09-14-2010.log
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Above command shows that we can see the file or directories, which occupied how much disk sizes on a particular filesystem, mount point. Accordingly we can resolve the issue by rotate the logs to clear off the space for particular instance is being occupied more disk space. So be brave to face the issue!!

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