Re: [Bacula-users] Backup behavior with 2 tape drives

On Thu, Jul 10, 2008 at 2:18 PM, John Drescher <drescherjm AT gmail DOT com> wrote:

On Thu, Jul 10, 2008 at 11:19 AM, Win Htin <win.htin AT gmail DOT com> wrote:
> hi folks,
>
> I am in the process of adding a second LTO4 tape drive to our tape changer.
> Currently, all backup clients are assigned to the same FULL and INCREMENTAL
> schedules. At present, each daily incremental or full backup, assigned to
> different pools, fits nicely onto ONE tape.
>
> My question is, once I have the second tape drive, what will the default
> behavior be? Will Bacula try to grab two tapes at the same time and run the
> backups in parallel? I would prefer only one tape being used for full
> backups since those are taken off-site.
>

The default behavior is to use 1 drive per pool. I mean by default it
will not load the same pool in more than 1 drive.

John

Which means I have to create multiple INCREMENTAL and FULL pools if I want to make use of both drives (for throughput) at the same time?

Different scenario. If I keep the pools as is, how would Bacula behave if one drive fails while in the midst of a backup? Automatically unload the tape and make use of the second available drive or manual intervention? BTW, forgot to mention that I'm using version 2.2.6 on RHEL 4.

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