[schmorp@schmorp.de: Bug#349073: mounting manually works just fine]

[schmorp@schmorp.de: Bug#349073: mounting manually works just fine]

[Steinar H. Gunderson]

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Hi,

I'm not sure how useful this is in tracking down the expiry problems, but it
might give you a couple of hints, so I'm passing it on. :-)

/* Steinar */
-- 
Homepage: http://www.sesse.net/

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From: Marc Lehmann <schmorp@schmorp.de>
To: 349073@bugs.debian.org
Subject: Bug#349073: mounting manually works just fine
Date: Sun, 25 Jun 2006 12:31:04 +0200
Message-ID: <20060625103103.GA5433@schmorp.de>

Just to entertain you a bit, I found out that often (but not always), one
can manually mount the required nfs volumes and everything works again.

   $ cd archive
   bash: cd: archive: No such file or directory
   $ ls -ld archive
   lrwxrwxrwx 1 root root 32 May  8 10:19 archive -> /fs/doom/var/lib/mythtv/archive/

(== the usual case, although with kernel 2.6.16.9).

   $ mount doom:/ /fs/doom
   $ mount doom:/localvol4 /fs/doom_localvol4
   $ cd archive
   $ # worked

So just *maybe*, what hapeons is that automount tries to mount the volume
and fails for whatever reason (it would be interesting to know it, maybe
I can find out), and then leaves the mountpoint in an unusable state till
reboot.

I think one could investigate this path, to see what happens if mounting
the volume fails in autmount. Likely it doesn't have a clean path to back
out if this happens (it might return an error in this access, but *must*
retry eventually, otherwise intermittent errors would require reboots of
clients).

Just a theory, of course. I'll try to find out what causes the mount
failure, although this will not be easy.

Peculiar are these messages:

   Jun 25 12:08:02 cerebro automount[1309]: attempting to mount entry /fs/doom/var
   Jun 25 12:08:02 cerebro automount[3452]: failed to mount /fs/doom/var
   Jun 25 12:08:02 cerebro automount[3452]: umount_multi: no mounts found under /fs/doom/var
   Jun 25 12:08:10 cerebro automount[1309]: attempting to mount entry /fs/doom/root
   Jun 25 12:08:10 cerebro automount[3460]: failed to mount /fs/doom/root
   Jun 25 12:08:10 cerebro automount[3460]: umount_multi: no mounts found under /fs/doom/root

As the mountpoints mentioned do not exist (/fs/doom is a mountpoint, but
not /fs/doom/something).

-- 
                The choice of a
      -----==-     _GNU_
      ----==-- _       generation     Marc Lehmann
      ---==---(_)__  __ ____  __      pcg@goof.com
      --==---/ / _ \/ // /\ \/ /      http://schmorp.de/
      -=====/_/_//_/\_,_/ /_/\_\      XX11-RIPE



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