CentOS - Feb 2011 - Looping Device unmounting problem

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

-- 
Thanks and Regards,
--------------------------------------
Dixson Rodriges,
Sr.Support Engineer,
MoB:+91-9388534765,09249500533
Email: dixan23 at gmail.com,amdixan at gmail.com
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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.