On 12/21/21 07:19, Heitor Faria wrote:
Hello Yateen,
We need to host bacula-dir, bacula-sd and PostgreSQL on different
servers, what is an efficient architecture amongst the two options
given below:
1. Hosting bacula-dir and PostgreSQL together on one host,
bacula-sd on another host
2. Hosting bacula-dir on one host, bacula-sd and PostgreSQL
together on another host
IMHO one should only spam machines if required by the sizing
(https://www.bacula.lat/bacula-sizing/?lang=en), or for network
optimization (e.g. a SD closer to the FDs in a remote network). A SD
is sufficient to backup about 400 machines.
Other than that you will use more resources and have a larger surface
of possible vulnrerabilities (the oposite of the hardening technique).
But again, it is just my opinion.
If you still need to make this splti I would go for option "A. Hosting
bacula-dir and PostgreSQL together on one host, bacula-sd on another
host", because it will be more pratical to manage the database
creation and configuration, one less network service and a little bit
safer. Director and DB also require different types of machines resources.
I question why there would ever be a reason to put the catalog DB on a
different host that bacula-dir. The sizing document linked to suggests 1
bacula-dir+DB server host for up to 5,000 machines. Also, if you use
debs / rpms, then database updates are automated at upgrade time.
Splitting the catalog DB from bacula-dir is extra work and extra
(considerable) network traffic for no gain (that I can think of).
Thanks,
Regards,
Yateen Bhagat
--
MSc Heitor Faria (Miami/USA)
Bacula LATAM CIO
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