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Re: [Ovirt-devel] [PATCH node-image] edit-livecd: Retry upon failed umount.



On Wed, Dec 03, 2008 at 02:57:52PM +0100, Jim Meyering wrote:
> Dan Kenigsberg <danken redhat com> wrote:
> 
> > On Tue, Dec 02, 2008 at 06:10:11PM +0100, Jim Meyering wrote:
> >>
> >> This is useful when you manually edit an image and forget to "cd"
> >> out of the working directory.  Without this, the script can't
> >> clean up, and it's a pain to do manually.
> >>
> >
> > I'm not sure its related, but would you tell what's the painful manual
> > way to clean these
> >
> > /dev/loop1: [fd00]:6194759 (/tmp/node-image-tmp/imgcreate-XjH6K-/tmp-L816gf/ext3fs.img)
> >
> > I'm left with after an interrupted make .iso ?
> 
> There are usually three of those listed at the bottom of /proc/mounts.
> You have to umount them starting with the last one and working "up", e.g.,
> 
>   umount /dev/loop3
>   umount /dev/loop2
>   umount /dev/loop1

This does not sound painful. Here, umounting any of them results in 

$ sudo umount /dev/loop0
umount: /var/tmp/ovirt-cache/node-image-tmp/imgcreate-OmnXf7/install_root: device is busy
umount: /var/tmp/ovirt-cache/node-image-tmp/imgcreate-OmnXf7/install_root: device is busy

What am I missing?

Dan.


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