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From: Alex Schuster <wonko@wonkology.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] How to unmount bind-mounted /dev?
Date: Sun, 01 May 2011 01:48:38 +0200	[thread overview]
Message-ID: <4DBC9FD6.1070106@wonkology.org> (raw)
In-Reply-To: <BANLkTin=46v+n+4-DBh1OYWjNDrbyO2BPg@mail.gmail.com>

Mark Shields writes:

> On Sat, Apr 30, 2011 at 5:15 AM, Alex Schuster <wonko@wonkology.org
> <mailto:wonko@wonkology.org>> wrote:
> 
>     I just wrote:
> 
>     > Thomas Ulrich Nockmann writes:

>     >> try 'umount -l /32/de'
>     >
>     > Cool, this does the trick!
> 
>     But it does not help :(  After unmounting /32/dev, I can finally unmount
>     /32, but now the fsck fails:
> 
>     weird ~ # fsck -Cf /dev/mapper/32
>     fsck from util-linux 2.19
>     e2fsck 1.41.14 (22-Dec-2010)
>     fsck.ext3: Device or resource busy while trying to open /dev/mapper/32
>     Filesystem mounted or opened exclusively by another program?
> 
>     lsof and fuser report nothing. I guess I will have to reboot then.

> Try a lazy umount, or forced umount?
> 
> # umount -f 
> # umount -l

The lazy unmount was Thomas' hint already and worked, the partition is
no longer mounted. But I cannot fsck it, it is still in use. cryptsetup
luksClose works neither.
It's no big trouble, but still I'm curious why this is.

	Wonko



  reply	other threads:[~2011-04-30 23:51 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-29 23:42 [gentoo-user] How to unmount bind-mounted /dev? Alex Schuster
2011-04-30  6:10 ` Thomas Ulrich Nockmann
2011-04-30  9:57   ` Alex Schuster
2011-04-30 10:15     ` Alex Schuster
2011-04-30 23:22       ` Mark Shields
2011-04-30 23:48         ` Alex Schuster [this message]
2011-05-01  7:54           ` Mick
2011-05-01 13:08             ` Alex Schuster
2011-05-01 14:42               ` Mick

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