[CentOS] Disappearing directory

[Fred Smith]

On Thu, Jan 02, 2014 at 07:05:31PM +0000, Ken Smith wrote:
> Hi All and happy new year,
> 
> Via a cron job a USB disk is mounted on a Centos 6.4 machine for backup 
> and dismounted after. I've noticed this failing. See below, the backup 
> directory that was in /mnt had disappeared, so creating it again as 
> follows...
> 
> # cd /mnt
> # mkdir backup
> # mount /dev/sdb1 /mnt/backup/
> # ls
> backup
> # cd backup/
> # ls
> boot.tar.gz  etc  etc.tar.gz  home  home.tar.gz  ident.txt  lost+found  
> named.tar.gz  root.tar.gz  usr.tar.gz  var  var.tar.gz
> # cd ..
> # ls
> backup
> # umount /dev/sdb1
> # ls
> 
> # cat /etc/redhat-release
> CentOS release 6.4 (Final)
> 
> After the umount the directory vanishes. What gives or have I lost the 
> plot in 2014. (This works as I'd expect on an old fc14 system I have)

I'd guess that something is rm-ing the mount point while it's mounted,
so that when you umount it, it disappears.

-- 
---- Fred Smith -- fredex at fcshome.stoneham.ma.us -----------------------------
                    The Lord detests the way of the wicked 
                  but he loves those who pursue righteousness.
----------------------------- Proverbs 15:9 (niv) -----------------------------