Re: strange behavior of mount
On Thu, Feb 3, 2011 at 1:53 PM, darkestkhan <darkestkhan@gmail.com> wrote:
>
> when mounting my SATA hard drive by usb it is often disconnecting without reason
> ( i.e. i didn't move my laptop and I didn't touch usb cables ).
> The disconnections by itself are probably bug in kernel or problem
> with my hardware,
> and while quite irritating it is not causing too much problems, but
> when mounting again
> mount _doesn't_ FAIL even though df is still telling me that there are
> mounted volumes in
> given location:
>
> darkestkhan@khanat /dev $ df
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/mapper/vg_khanat-lv_root
> 51606140 20191424 28793276 42% /
> tmpfs 1288224 0 1288224 0% /lib/init/rw
> udev 1281536 244 1281292 1% /dev
> tmpfs 1288224 704 1287520 1% /dev/shm
> /dev/mapper/vg_khanat-lv_home
> 64249708 14134796 46851220 24% /home
> /dev/sda2 479842 20004 434238 5% /boot
> /dev/sdb4 235603192 202341520 21293652 91% /storage
> /dev/sdc4 235603192 202341520 21293652 91% /storage
> /dev/sdd4 235603192 202341520 21293652 91% /storage
> /dev/sde4 235603192 202341520 21293652 91% /storage
> /dev/sdf4 235603192 202341520 21293652 91% /storage
>
> It was just by chance that I even caught it. When I'm doing mount of (
> now sdg4 ) in to storage
> ( sudo mount /dev/sdg4 /storage ) then mount is doing this, though it
> should fail ( especially since
> have programs running in /storage ). Volumes: sdb4, sdc4, sdd4, sde4,
> sdf4 are exactly the same thing.
> In order to completely umount /storage i have to do umont quite a few times...
You're simply overlaying mounts; it isn't a bug. How are you mounting
these devices?
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