Re: Bugzilla HA How to?

Guten Tag Laci D,
am Donnerstag, 11. März 2021 um 17:29 schrieben Sie:

> It is more like a planned failover, current server upgrade takes
> about two hours (OS upgrade, reboots, etc.) while Bugzilla is
> unavailable, I'd like to cut this planned downtime as short as
> possible. This is the main goal.

How do you do it for other hosted services? If you don't, don't care
for Bugzilla too much as well at least for the beginning. HA is REALLY
complex and nothing to start with only based on advices on this list.
Otherwise pretty much do what you are already doing with other
services, Bugzilla is only one more.

There simply is no golden bullet for you in my opinion: A cluster with
shared storage for Bugzilla and its database will allow you most
likely to simply take one of the hosts offline for maintenance.
Bugzilla would be served by the other nodes and all would be fine.

OTOH, those clusters shouldn't be underestimated, even with tools like
Proxmox making things pretty easy in THEORY. Additionally, when it's
about upgrading Bugzilla, the shared storage/database means that you
need to take all Bugzilla instances offline anyway, upgrade all of
them and back online again only after everything succeeded.

I don't think I can provide any more advices on this. :-) If at all,
you might ask on HA-specific mailing lists/forums, because the
problems to solve for Bugzilla are not too Bugzilla-specific: Some
files and a database. Sounds VERY common with web apps... ;-)

Mit freundlichen Grüßen

Thorsten Schöning

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Für Rückfragen stehe ich Ihnen sehr gerne zur Verfügung.

Mit freundlichen Grüßen

Thorsten Schöning


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