Linux – Server hang on CentOS 5.5

centos5kernellinuxserver-crashes

I'm running CentOS 5.5 on a server. It runs several VMware virtual machines and an NFS server.

Occasionally, like today, it hangs. There's nothing in /var/log/messages that indicates any problem. (I did notice that /var/log/messages is not in time order.)

Any suggestions where to look for the cause?

Best Answer

That's not a lot of information to diagnose by. If the system genuinely hangs - that is, becomes unresponsive on the network and at a local console - and there's nothing in syslog or dmesg to provide a cluse, then I would presume you have encountered a hardware fault, and would begin running diagnostic tools from your hardware vendor. Bad RAM or CPU could certainly cause this type of behaviour.

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