On 11/04/13 18:55, Dimitri Maziuk wrote:
> On 11/04/2013 04:17 PM, Phil Stracchino wrote: ... In at least one
> of the
>> cases I know about, though, the problem was not a failure of DRBD
>> per se, it was that someone accidentally started up mysqld on the
>> second node,
>
> Ah, the "active-active" setup. I agree: avoid like plague.
Well, they weren't *supposed* to be both active at once. But someone
made a mistake and accidentally started mysql on the standby node
while it was still running on the primary. "Oops. Oh, crap..."
> The simple stupid (and bulletproof) setup is an active/passive
> cluster with drbd, mysql, and floating ip. Unfortunately if it
> fails over your bacula-dir is going to lost its connection to the
> db and kill the running backup -- see my post from 2 days ago.
Well, that's one good way, yeah. The other is a shared-nothing
master-master cluster.
--
Phil Stracchino, CDK#2 DoD#299792458 ICBM: 43.5607, -71.355
ala...@caerllewys.net ala...@metrocast.net p...@co.ordinate.org
Renaissance Man, Unix ronin, Perl hacker, SQL wrangler, Free Stater
It's not the years, it's the mileage.
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