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NFS, forgetting to unmount before reboot, slows other processes. 1

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tnelson1

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Jul 18, 2001
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I had to IPL a machine (AIX 5.1) that was exporting one of its filesystems to a couple of other AIX 5.1 machines. I forgot to unmount the filesystem on one of the machines. It seems that all processes got hung up and all printing stopped, other software slowed down, no one could log into the software (into Lawson, not AIX). Until the host machine came back up. Then everything was fine.

Does NFS become a big resource hog, when it can't see its host? Why is this? Is there a way to set the mounts, so that it doesn't about bring the system to a halt when/if I forget to unmount?
 
In case you are interested in the fix for this problem, this is a bug with AIX 5.1 and is fixed in ML06. Both of my machines have ML04, but I plan on upgrading to ML06 soon.
 
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