>   - User 1 logs in to webserver 1, gets session id abc123
>
>   - User 2 logs in to webserver 2, gets session id abc123 and trashes
>     current contents of abc123 session file

If using NFS as the session store, you don't even have to get this specific -- 
one
user using "his" session from two servers simultaneously will eventually see
problems.

Oh, here's another example that just came to mind.  It didn't happen under SQM
1.2.x, but under 1.4.x with NFS-shared userprefs files, I observed the entire 
file
being lost and started from scratch.  I was able to cause this to happen a 
couple
dozen times without finding out exactly what was causing it, but it seems
consistent with what we've been discussing.  That prompted a quick switch to
SQL-based prefs.

John




-- 
John Madden
UNIX Systems Engineer
Ivy Tech State College
[EMAIL PROTECTED]



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