Hello Chris,

Many thanks for the input. You are right: things are working if I place 
the shell commands in a script instead of trying to pass them directly 
with bacula.
The second mistake I made is not setting "RunsOnClient" to "No". The 
default seems to be "Yes". Either I missed this or the documentation is 
not very clear about the default value of "RunsOnClient".

Felix

On 12.08.2010 21:17, Chris Shelton wrote:
> Felix,
>
> On Thu, Aug 12, 2010 at 10:07 AM, Felix Brack <fb AT ltec DOT ch
> <mailto:fb AT ltec DOT ch>> wrote:
>
>
>     On Bacula 5.0.2 I would like to mount the storage before a backup job
>     starts in case it was unmounted by 'umount' before.
>
>
> The following works fairly well for me, as an Admin job that is
> scheduled to start 5 minutes before our normal nightly backups:
> Job {
>    Name = "MountSDLTTape"
>    JobDefs = "AdminDefaultJob"
>    FileSet = "Catalog"
>    Schedule = "WeeklyCycleMountTape"
>    Client = cheddar-fd
>    # This script mounts the SDLT-Tape-1 drive
>    RunScript {
>      RunsOnClient = No
>      RunsWhen = Before
>      Command = "/root/batch/scripts/bacula/bacula_mount_sdlt_tape.sh"
>    }
>    Priority = 5
> }
>
> The shell script that is run is just this:
>
> #!/bin/sh
> # mounts a tape by calling bconsole
>
> mtdev="/dev/nst0"
> dev="SDLT-Tape-1"
> sbindir="/usr/sbin"
> confdir="/etc/bacula"
>
> # is tape already mounted in bacula?
> echo "status storage=$dev" | $sbindir/bconsole | grep "Device \"$dev\"
> (/dev/nst0) is mounted"
> RC=$?
>
> if [ $RC -eq "0" ]
> then
>      echo "tape already mounted in bacula."
>      exit 0
> fi
>
> echo "mount storage=$dev" | $sbindir/bconsole -c $confdir/bconsole-fms.conf
>
>
>
>     By the way, the opposite (unmounting) does not work too:
>
>     RunScript {
>        RunsWhen = After
>        Command = "echo 'unmount storage=kvm1-sd' | /usr/bin/bconsole"
>        Command = "/bin/mt -f /dev/nst0 eject"
>     }
>
>     This ends with 'ClientAfterJob: /dev/nst0: Device or resource busy'
>     which I understand since the 'unmount' command did not work, the storage
>     daemon still locks the device.
>
>
> I have another unmount shell script that runs from a different Admin job
> well after the normal backup window is finished, and running with a
> higher priority to unmount the tape.
>
> It seemed easier to me to put together a small shell script rather than
> trying to get the quoting & pipelining to work directly from a bacula
> RunScript.  This approach has worked reliably for me to mount and
> unmount a single tape drive for a few years now.
>
> chris
>
>
>
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