On Monday 21 June 2010 11:47:00 Ulrich Leodolter wrote:
> hi,
>
> on sunday we are running an end-of-week script
> which sets all tapes in loader to status used
> and runs release on both drives.
>
> release storage=Tape drive=0
> release storage=Tape drive=1
>
> on monday morning copy jobs are scheduled:
>
> CopyDiskToTape into pool DiskCopy
> CopyDiskToExtClone into pool ExtClone
>
> after all CopyDiskToTape jobs are done
> bacula unmounts drive 0 and mounts volume
> from pool ExtClone into drive 0.
>
> so why does bacula not use empty drive 1 at this point ???
It is not smart enough.
>
> how can i tell bacula to use empty autoloader drives ???
You cannot tell it, unless you write some code so that it becomes smarter or
you could probably use "prefer mounted volume = no". However, that directive
is known to create conditions where Bacula gets confused. It would probably
be worse than the current code, which does work though not as smart as a
human.
Kern
>
> thx
> ulric
>
> On Tue, 2010-06-15 at 11:40 +0200, Ulrich Leodolter wrote:
> > hello,
> >
> > we are using a 2-drive autochanger.
> > both drives are configured almost identical
> > (except name,device) config see below.
> >
> > we are running daily copy disk to tape jobs into
> > different copy pools.
> >
> > problem:
> >
> > bacula automatically chooses only Drive-1
> > and load/unloads tapes every day.
> >
> > only if i mount appendable volumes into
> > both drives the are used for the rest of
> > the week.
> >
> > how can i configure bacula to use empty
> > autoloader drives if available ???
> >
> > regards
> > ulrich
> >
> > ps: we are running bacula 5.0.2
> >
> > bacula-sd.conf:
> >
> > Autochanger {
> > Name = OVERLAND
> > Device = Drive-1, Drive-2
> > Changer Command = "/opt/bacula/scripts/mtx-changer %c %o %S %a %d"
> > Changer Device = /dev/changer
> > }
> >
> > Device {
> > Name = Drive-1
> > Drive Index = 0
> > Media Type = LTO-4
> > Archive Device = /dev/nst0
> > AutomaticMount = yes
> > AlwaysOpen = yes
> > RemovableMedia = yes
> > RandomAccess = no
> > Autochanger = yes
> > ...
> > }
> >
> >
> > Device {
> > Name = Drive-2
> > Drive Index = 1
> > Media Type = LTO-4
> > Archive Device = /dev/nst1
> > AutomaticMount = yes
> > AlwaysOpen = yes
> > RemovableMedia = yes
> > RandomAccess = no
> > Autochanger = yes
> > ...
> > }
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