From: upendra gandhi <upendra.gandhi@oracle.com>
To: ms419@freezone.co.uk
Cc: nfs@lists.sourceforge.net
Subject: Re: how to force umount when "Device or resource busy"?
Date: Thu, 28 Oct 2004 16:58:26 -0700 [thread overview]
Message-ID: <418187A2.6070702@oracle.com> (raw)
In-Reply-To: <AB813470-0682-11D9-9080-000A95C71776@freezone.co.uk>
is there an answer to this we are facing this issue in autofs4
thks
ms419@freezone.co.uk wrote:
> How does one unmount when umount doesn't work?
>
> Somehow, I got an NFS / AutoFS mount that just won't unmount.
>
> I noticed /var/autofs/net was mounted twice, so I stopped AutoFS &
> tried killing the remaining automount process. "kill 14986" didn't
> work; I needed "kill -9 14986". The following mounts remain:
>
> wum:~# mount
> [...]
> automount(pid14986) on /var/autofs/net type autofs
> (rw,fd=5,pgrp=14986,minproto=2,maxproto=4)
> tor:/home on /var/autofs/net/tor/home type nfs
> (rw,nosuid,nodev,hard,intr,addr=192.168.103.158)
>
> & I can't unmount them:
>
> wum:~# umount /var/autofs/net/tor/home
> umount: /var/autofs/net/tor/home: device is busy
> umount: /var/autofs/net/tor/home: device is busy
> wum:~# umount -f /var/autofs/net/tor/home
> umount2: Device or resource busy
> umount: /var/autofs/net/tor/home: Illegal seek
> umount2: Device or resource busy
> umount: /var/autofs/net/tor/home: device is busy
> wum:~# umount /var/autofs/net
> umount: /var/autofs/net: device is busy
> umount: /var/autofs/net: device is busy
> wum:~# umount -f /var/autofs/net
> umount2: Device or resource busy
> umount: automount(pid14986): not found
> umount: /var/autofs/net: Illegal seek
> umount2: Device or resource busy
> umount: /var/autofs/net: device is busy
>
> I triple checked that no process is using these mounts. How do I
> unmount them?
>
> Thanks!
>
> Jack
>
>
>
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next prev parent reply other threads:[~2004-10-28 23:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-14 19:17 how to force umount when "Device or resource busy"? ms419
2004-09-15 1:09 ` Ian Kent
2004-09-15 1:14 ` Greg Banks
2004-10-28 23:58 ` upendra gandhi [this message]
2004-10-29 0:34 ` Trond Myklebust
2004-11-01 8:15 ` Ian Kent
2004-11-01 16:55 ` upendra gandhi
2004-11-01 23:14 ` Ian Kent
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