[CentOS] Looping Device unmounting problem

[Robert Heller]

At Thu, 17 Feb 2011 10:06:10 -0500 CentOS mailing list <centos at centos.org> wrote:

> 
> On Thu, Feb 17, 2011 at 8:36 AM, dixan rodriges <dixan23 at gmail.com> wrote:
> > Dear All,
> >
> >
> >
> > I have created  252 loop devices in my system and i mounted few iso filses
> > into loop devices .when i rebooting the system error showing "faild to
> > umount "
> >
> >
> > how can forcefully umount the loop device
> 
> Not specific to loopback devices, but in some cases I use fuser to
> kill all procs associated with a mount... You may also need to remount
> it as read-only before unmounting and maybe use the -nr option to
> umount.

Note: ISO9660 file systems (CD/DVD images) can only be mounted
read-only. If the OP is mounting CD/DVD ROM image ISO files, they
already will be mounted read-only.

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-- 
Robert Heller             -- 978-544-6933 / heller at deepsoft.com
Deepwoods Software        -- http://www.deepsoft.com/
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