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I am not sure I am confident in having it `figured out', but here
goes.
Original problem was as follows: programs would fail in automounted
(namely /home) directories with the epithet, `Can't get current
working directory.' Indeed, a two line test program that did getcwd()
and printed the resulting pathname spat out the empty string.
The basic suggestions were as follows:
1) Make sure umask for process calling automountd is correct, and on
a related note, make sure that underlying mount-points have
correct permissions. This was not my problem, as all permissions
were set correctly.
2) Automountd had timed out the directory in question and unmounted
it. This was not the case either, because I could run a command,
say `ls ~' to force remounting of the directory even if it had
been unmounted, verify its status as mounted vie e.g. df or
mount, and *still* get the getcwd() problem.
3) auto_master.map had been messed with while automountd was
running. I think this is the winner. Indeed, at some point I
had repopulated NIS+ tables from the main server, which include
automountd map tables. No information in the maps had actually
changed (I was just to leazy so I repopulated all the tables...),
but the actual map *had* been replaced while the daemon was
running. I have not seen the problem again since I last
restarted automountd, so we'll see if this was really the case.
Thanks to
Glenn Satchell <Glenn.Satchell@uniq.com.au>,
Lyle Miller <lem27345@ussg2k.glaxo.com>,
Rasana Atreya <Rasana.Atreya@library.ucsf.edu>,
Kris Briscoe <hxktb0@svho1ds_1.supervalu.com>,
Matt Bottrell <mattb@deakin.edu.au>,
Brett Lymn <blymn@awadi.com.au>,
Trevor Paquette <TrevorPaquette@aec.ca>
for their responses.
CJW
- --
**********************************************************************
/\ Colin J. Wynne Johns Hopkins University
(()) Dep't of Mathematical Sciences
/____\ ``Lunatic-at-Large'' E-Mail: cwynne@mts.jhu.edu
/______\
/________\ Sturgeon's Law:
Ninety Percent of everything is crap.
**********************************************************************
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