[Beowulf] network filesystem
greg.lindahl at qlogic.com
Tue Mar 6 05:33:07 EST 2007
>well, developers should be smart enough to know what FS they're using,
>and how it's intended to behave. turning off AC is a nice option, but
>smarter is to leave it on and not try to cause race conditions.
Just yesterday I sat quietly at a customer site while an engineer
wasted 30 minutes not understanding that the bizarre behavior he was
seeing was due to attribute caching on NFS. The guy was a CFD expert,
not a Unix expert.
Even experts can have troubles with AC, sometimes. Just Say No to AC.
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