Matt Brown wrote:
> Hi All,
>
> Just come across Bacula and a recent need to backup to tape libraries,
> so I have compiled and installed Bacula and it works just fine - my
> thanks to the developers.
>
> I have two ATL Powerstore DLT tape libraries (contain 8 tapes each
> with barcode readers) and when I configure bacula to use just one, it
> works beautifully, however the issue is when I daisy chain them
> together on the scsi bus and try and get bacula to use both from a
> single host.
>
> Each unit has it own SCSI ID for the controller and the drive i.e /dev/
> nst0 and /dev/sg5 and /dev/nst1 and /dev/sg7 - issuing MTX commands
> works fine and tapes can be loaded/unloaded etc.....
>
> I can issue a btape -c /etc/bacula/bacula-sd.conf /dev/nst0 and /dev/
> nst1 and the autochanger tests work fine, I think the issue here is
> getting bacula to use my units within the storage config directives.
>
> An example is:
>
> 1000 OK: pegasus-dir Version: 2.2.7 (24 December 2007)
> Enter a period to cancel a command.
> *update slots
> Automatically selected Catalog: MyCatalog
> Using Catalog "MyCatalog"
> The defined Storage resources are:
> 1: DLT1
> 2: DLT2
> Select Storage resource (1-2): 1
> Connecting to Storage daemon DLT1 at xxxx.xxxxxx.com:9103 ...
> 3995 Device "DLT1" (/dev/nst0) is not an autochanger.
> Enter autochanger drive[0]:
>
> What am I missing here ? or is this not possible ?
>
> I have the following in my bacula-sd.conf
>
> Device {
> Name = DLT1 #
> Drive Index = 0
> Device Type = Tape
> Media Type = DLT-8000
> LabelMedia = yes;
> Archive Device = /dev/nst0
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = no;
> RemovableMedia = no;
> RandomAccess = no;
> Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg5
> AutoChanger = yes
> # Enable the Alert command only if you have the mtx package loaded
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> }
>
> Device {
> Name = DLT2 #
> Drive Index = 0
> Device Type = Tape
> Media Type = DLT-8000
> LabelMedia = yes;
> Archive Device = /dev/nst1
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = no;
> RemovableMedia = no;
> RandomAccess = no;
> Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg7
> AutoChanger = yes
> # Enable the Alert command only if you have the mtx package loaded
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> }
>
> I did comment out the AutoChanger part as it appeared to work if I was
> using a single autochanger but with multiple drives which is not the
> config I have here.
You need an autochanger resource. I think.
http://www.bacula.org/rel-manual/Autochanger_Resource.html
Notice that everything relating to the changer in is in the Autochanger
resource. The Devices are then designated as *having* an autochanger
for it. Then Autochanger specifies what devices it has control over
(see the Device directive within the Autochanger resource).
That should get you started.
--
Dan Langille - http://www.langille.org/
BSDCan - The Technical BSD Conference: http://www.bsdcan.org/
PGCon - The PostgreSQL Conference: http://www.pgcon.org/
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