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Re: Clarifications: CVS Import Bug - Please Respond

From: Derek Price
Subject: Re: Clarifications: CVS Import Bug - Please Respond
Date: Thu, 11 Aug 2005 13:51:26 -0400
User-agent: Mozilla Thunderbird 1.0.6 (Windows/20050716)

Mark D. Baushke wrote:

> some odd race conditions with more than
> one user trying to create write locks in the same directory at the same
> time both believing they have obtained their exclusive lock.

IIRC, this one had to do with clients caching the state of a directory. 
Something like both clients would query the lock directory's existence
and if they had cached that it didn't exist, both would return a
successful status code to a program before they get the failure response
from the NFS server.

I've fixed that at least once (for running sanity.sh between two hosts)
by setting the dir-cache-time for my NFS client to 0.  On my Linux
client the options are acdirmin=0,acdirmax=0 and can be set separately
for each mount-point.


Derek R. Price
CVS Solutions Architect
Ximbiot <http://ximbiot.com>
v: +1 717.579.6168
f: +1 717.234.3125

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