Strange umount problem today:
#umount -v /mnt/backup/
umount: /mnt/backup: device is busy
umount: /mnt/backup: device is busy
Normally this means something is using a file, or someone has a shell
open in one of the device's directories. So, ordinarily, I can use
lsof and/or look for running open shells, take care of the offending
processes, and do the umount.
This one is strange, however. I stopped all running processes, save
syslog, getty, and my login shell/sshd and still can't unmount the
drive. No swapfiles on the drive.
Rebooted the system (I know, cheating) and see the same thing.
Practically, I solved this by commenting out the /etc/fstab entry, but
academically I'm curious what else might have a grip on the device. It
_seems_ like it must be the kernel, but why I'm not sure or where to
look.
The double-reporting of 'device is busy' must be a clue, but I'm not
sure what it means.
Any ideas?
-Bill
-----
Bill McGonigle, Owner Work: 603.448.4440
BFC Computing, LLC Home: 603.448.1668
[EMAIL PROTECTED] Cell: 603.252.2606
http://www.bfccomputing.com/ Page: 603.442.1833
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