From: "Bryan J. Smith" <b.j.smith@ieee.org>
Subject: Re: Corrupt Data when using NFS on Linux -- This should be in the HOWTO
Date: Tue, 29 Oct 2002 12:20:13 -0500 (EST)
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To: Daniel Forrest <forrest@lmcg.wisc.edu>
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Quoting Daniel Forrest <forrest@lmcg.wisc.edu>:
> The "guaranteed" way to create a lock file over NFS:
>     create tempfile
>     link tempfile lockfile (ignore return code)
>     stat tempfile
> If the link count is 2, then you have the lock file.  Apparently, link
> may return success even if the link failed or return failure even if
> the link succeeded (I don't remember which).  Doing the stat verifies
> if you have actually created a link to the temporary file.

I know the HOWTO is more for users/sysadmins, but stuff like this could really
help in an additional "common workarounds for potential gotchas" section at the
end of the HOWTO.

-- 
Bryan J. Smith, E.I.            Contact Info:  http://thebs.org
A+/i-Net+/Linux+/Network+/Server+ CCNA CIWA CNA SCSA/SCWSE/SCNA
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