Re: Cannot umount: device is busy
On Thu, 14 Apr 2011 13:50:58 +0000, T o n g wrote:
>> have you tried to force the umount ?
> Hi, thanks everyone for the replies.
> No, this is not a NFS share but a local dev mount, so stopping nfs or
> using force (in case of an unreachable NFS system) won't help.
Here is what happened after I use lazy unmount, which is exactly the
situation that I want to avoid:
% sync; sync; sync
% umount -l /mnt/mpoint
% mount /mnt/mpoint
mount: /dev/sdb14 already mounted or /mnt/mpoint busy
% mount | grep /dev/sdb14 || echo no found
I.e., I want to cleanly unmount the local dev so that I can do a clean
mount again. Now I can't ...
Tong (remove underscore(s) to reply)