Any copy or migrate job requires an available input device, and a separate
available output device.
You can do a copy / migrate from one pool to a different pool on the same
director 'storage {}' resource, all within the same SD. However, the
storage {} resource must reference an autochanger {} resource in the SD
config file, and the autochanger {} resource must contain at least 2
available device {} resources.
It is of course possible to have different SDs, etc.
You can think of "device {}" resources in the bacula SD config as virtual
tape drives, and the volumes as virtual tapes. Bacula must be able to
simultaneously read a volume with one device and write the copied /
migrated output to another device.
Robert Gerber
402-237-8692
[email protected]
On Mon, Jan 19, 2026, 12:22 PM Juan Ferrer Toribio <
[email protected]> wrote:
> Hello everyone,
>
> I would like to know if two jobs can write concurrently to the same
> (File) Storage/Device.
>
> My issue is that I have two Pools assigned to the same Storage (and
> this Storage to its SD Device). When I create a migration job that
> moves data from one pool to the other, it waits indefinitely for the
> Storage to become available.
>
> The Maximum Concurrent Jobs directive is set everywhere: Director,
> Job, Pool, Storage, SD and Device. If I assign a different
> Storage/Device to each Pool, the migration job works correctly.
>
> Here is the output of status dir:
>
> Running Jobs:
> Console connected using TLS at 19-Jan-26 19:11
> JobId Type Level Files Bytes Name Status
> ======================================================================
> 68670 Migr Full 0 0 my-job-migrate is waiting on
> Storage "my-storage"
> 68671 Back Full 0 0 my-job is waiting on
> Storage "my-storage"
> ====
>
> Thank you for your guidance.
>
> Best regards.
>
>
> _______________________________________________
> Bacula-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bacula-users
>
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