Strange Automount problem

From: callum (callum.hughes@sis.securicor.co.uk)
Date: 04/10/03 

From: callum.hughes@sis.securicor.co.uk (callum)
Date: 10 Apr 2003 06:11:45 -0700

Hi everyone,

I'm having a funny five minutes (well, hours actually) with automount.
It all started a couple of days ago...

I came in to work this morning to find that there had been problems
with one of our SP nodes. It's automount daemon had died, and
consequently, was restarted by a colleague. Since then, everything
appears to be working as it should be with the exception of one
directory.

We use automount to provide our home directories under /u which is
mounted on top of /home on the client. Now, the weird thing is that
every other filesystem being sourced by the client works fine but when
you try to access the filesystem in question, either with ls -l, cd,
or whatever, the shell just hangs until you ctrl-c it.

If you do a simple ls (no flags) then you can actually *see* the
directory there...

However, I am thinking that this directory is not in fact mounted at
all, and that somehow I need to refresh the client so that it doesn't
think that the directory is there any more. I don't want to have to
reboot since this is a HA node, so have tried the following:

1) restarting the automount daemon on both the server and the client
2) checked to see that all other automounted filesystems are there and
accessible
3) tried manually unmounting the filesystem (obviously fails but I'm
getting desperate)
4) scanned the web for documentation describing a map "flusher" or
some such function (to no avail)...

So now I throw myself upon your mercy! Does anyone out there know how
I go about refreshing the client so that all references to the defunct
(no longer mounted) filesystem are removed and we can start all over?

Any help would be greatly appreciated!

Kindest regards,

Callum

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