On Tue, 14 Jul 2015 11:40:58 +0000
Jürgen Depicker <Jurgen.Depicker AT let DOT be> wrote:


> Unmounting /dev/sdb1 while Backuppc
> service is running is not possible either,
> so my other option would be
> to shutdown one of the virtual disk servers which I don't really want
> to do... Greetings, J

Simpler answer: IF you left the original /var/lib/backuppc as is (read:
with its original directories), then you're doomed and need to stop
backuppc, umount HD (virtual or not) and remove these directories
manually to avoid backuppc starting when the other HD isn't mounted.

The only other solution I see would be to run a script that check
if your HD's mounted (before starting any backup) and return a 
value ≠ 0 that'll prevent backuppc to launch any backup (see:
$Conf{DumpPreUserCmd} & $Conf{UserCmdCheckStatus}.)

So, your script would be some' like (mine is encrypted and not alone,
hence the "encfs" first search):

#!/bin/sh
MYHDTHATISMOUNTEDFORBACKUPPC=`grep encfs /etc/mtab | grep 1.8TB_USB_01`
if [ "$MYHDTHATISMOUNTEDFORBACKUPPC" = "" ] ; then
        # Operator is a FBFH that forgot to mount the backuppc HD
        exit -1
else
        # Operator is not a lousy drunk
        exit 0
fi


JY

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