This article shows how I analyze the DLM & GFS2 lock dumps to try to locate blocking processes. A lot of this work can be done by the gfs2_hangalyzer but sometimes it doesn't quite work as well as you'd like and I think it's always good to understand how these things work. This example is for RHEL5 but should be applicable to RHEL6 too.
It's important to realise that you should real...
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