Hello,
2012/5/10 Troy Kocher <tkoc...@mtadistributors.com>
> Oh wise ones..
>
> Demand on my bacula installation is growing and I need to increase the
> amount of simultaneous inbound data. One option that occurred to me was
> is it possible to launch multiple daemons on different ports of the same
> physical server?
>
A simple question is: Yes, you can do that.
> All the data is written to disk only, no tape.
>
It doesn't matter, unless you have a sufficient archive devices for
multiple SD.
>
> If not any ideas for increasing my inbound capacity here would be really
> helpful. Currently I have jobs configured to cancel when they can't run
> in their window, to keep things from getting out of control when the job
> in line first takes to long.
>
The main rule for increasing a backup performance of the Storage Daemon is
to run multiple backup jobs concurrently. You can even run a hundred backup
jobs per single Storage Daemon as long as you have an appropriate number of
archive devices. You should read a ScanNet Story about Large Scale
Disk-to-Disk backup. There were a very nice blog posts from Henrik Johansen
about it, but it is currently unavailable on his website.
He achieved about 600MB/s backup write performance per single Storage
Daemon with about 100 concurrent jobs/archive devices. Bacula Storage
Daemon is a multithreaded application, so in most cases it is not required
to run a multiple sd instances on the same machine, just run a multiple
archive devices.
best regards
--
Radosław Korzeniewski
rados...@korzeniewski.net
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