Hi,
Looks like I can use both drives when I add
Changer Device = /dev/changer-sg2
to the bacuala-sd.conf file
and additionally I had to add to the Storage directive
Device = Qualstar
# Definition of LTO tape storage device
Storage {
Name = "Qualstar"
#Do not use "localhost" here
Address = localhost # N.B. Use a fully qualified name here
SDPort = 9103
Password = "haaaaahahahahahahahaahah" # password for Storage
daemon
#Device = Drive-1 # must be same as Device in Storage
daemon
#Device = Drive-2
Device = Qualstar
Media Type = LTO6 # must be same as MediaType in Storage
daemon
Autochanger = yes # enable for autochanger device
Maximum Concurrent Jobs = 2
}
In the bacula-dir.conf. Apparently you have to reference the changer, not
the actual tape devices like this example below.
Device = Drive-1 # must be same as Device in Storage
daemon
Device = Drive-2
In terms of running multiple jobs, and writing to the same tape...this
sounds like a pretty cool idea that Bacula can interleave the jobs. How
long has it been able to do this. When I first used this software many
years ago, it did not seem like this was available or maybe it was not
advocated for reasons mentioned before.
On Mon, Mar 31, 2014 at 8:58 AM, Wolfgang Denk <[email protected]> wrote:
> Dear John,
>
> In message <
> caehu1-6bldpxhgvzwau+hqb2qh_tkdfl-ybovp52copgz6c...@mail.gmail.com> you
> wrote:
> >
> > > bacula seems to only use one drive. What determines in bacula when it
> is
> > > optimal to use two drives? I am using bacula Version: 5.2.13.
> Additionally
> > > I have set "Maximum Concurrent Jobs = 4" in all the relevant places,
> but all
> > > this seems to do is allow multiple concurrent jobs run, which I have
> tested
> > > and seems to work, but strangely, I was under the impression that one
> job
> > > could write to one tape exclusively. But in this case, it seems
> multiple
> > > jobs can write to the same tape concurrently or is this not correct?
> Lastly
> > > I have specified spool directory, however it is never used. Any ideas
> here
> > > would be appreciated or clarity.
> >
> > Bacula can write to more than 1 drive at a time. However I believe by
> > default bacula can not load the same pool into more than 1 drive at a
> > time.
>
> Yes, it can.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected]
> Two wrongs don't make a right, but three rights make a left.
>
--
Randall Svancara
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