Re: cannot mount zip--totally strange
On Thu, 2001-09-27 at 18:27, Jacob Stowell wrote:
> Hi all,
>
> I just encountered a very strange situation, which has rendered my zip
> drive un-mountable. I was modifying a shell script mentioned on this
> list as a way to back up a certain directory to my zip drive. After some
> doing, I finally got to a point where I actually got the script to work
> properly. Once I got it to run, I umounted the zip drive and things
> seemed fine. However, the next time I ran the script (just to make sure
> it was working before backing up a more important directory, I got the
> following error message:
>
> mount: /dev/hdb4 is not a block device (maybe try `-o loop'?)
>
> I get the same error if I try to mount it manually or through fstab.
> The drive is recognized at boot time, but I cannot do anything with it
> after that. The drive itself does not appear to have failed because I
> could access it in windows.
>
> I have never seen this error before, and I am especially confused due to
> the timing of the error. Being one of my first adventures into shell
> scripting, I was wondering if there is anything in the script that could
> be responsible for the scenario I described above. It seems so strange
> that the drive would work one minute then be unresponsive the next. My
> feeling is that it must have been something I did. Below is a listing
> of the script I wrote and an strace of a mount command. Any help with
> this puzzle would be greatly appreciated.
snip
> Script:
>
> #!/bin/bash
>
> # Create backups of /etc, /home, /usr/local, and...
> PATH=/bin:/usr/bin
>
> #backupdirs="/etc /root /boot /home /usr/local /var/backups
> /var/cache/apt /var/ lib /var/log /var/www"
>
> backupdirs=" /home/jake/ping "
>
> mount /dev/hdb4
>
>
> for path in $backupdirs
>
> do
> echo "System backup on $path" | wall
> tar cvfz $path.tar.gz $path
> cp $path.tar.gz /mnt/zip
> sleep 2
> done
> umount /dev/hdb4
>
> echo "System backups complete, status: $?" | wall
> echo "Now verifying system backups" | wall
>
> for path in $backupdirs
> do
> echo "Verifying $path...." | wall
This part may have clobbered it.
> tar tf /dev/hdb4 1>/dev/null && \
> echo "$path: verified" | wall || \
> echo "$path: errors in verify" | wall
> if [ $? -eq 0 ]
> then echo "$path: verified"
> else echo "$path: error(s) in verify" 1>&2
> fi
> done
>
>
I think you may have clobbered your /dev/hdb file ls -al it and see if
it's still a block device or it's been overwritten with something else.
--mike
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