[DRBD-user] Re: Suggestion to prevent split brain situation
Bas van Schaik
bas at tuxes.nl
Mon Dec 3 11:57:11 CET 2007
Florian Haas wrote:
>> Thanks for the clear explanations. I think it needs to be said that I'm
>> probably using DRBD in a less professional setup than you guys are.
>> Setting up redundant network connections is way beyond my possibilities,
>> it simply isn't worth the money and effort. The same holds for the
>> Heartbeat setup, but maybe I'll take a better look at that later.
> I find it doubtful that it's "way beyond your possibilities" to use that
> second on-board NIC that your servers presumably have, and a crossover
> cable, for dedicated DRBD replication and a second Heartbeat link.
They do not have a second on-board NIC, but I'll consider upgrading them.
> However if you're not using Heartbeat, or any cluster manager for that
> matter, at all, then there isn't much that will keep you from running into
> split brain eventually.
That is exactly why I made my suggestions the other day. But you have
been clear about this: I should use DRBD in a more professional way, or
I shouldn't use it at all.
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