On 29/05/14 01:43 PM, Dimitri Maziuk wrote:
On 05/29/2014 12:01 PM, Jay G. Scott wrote:
what's the answer for ... Centos, I guess...? And it does
embarrass me to have to ask that.
Pacemaker/corosync -- 2+-node clusters, active-active clusters, active
development. Support for free is 50% chance Lars will ask you if you're
a paying Suse customer.
Jay was asking about RHEL, but even then, I've seen Lars offer lots of
help in #linux-ha without asking that. The HA community helped me learn
everything I know about HA (the quality of that education I will leave
to others to determine) and not once was I asked by any RH or SUSE
employee if I was a paying customer. It's honestly been one of the best
communities I've seen in the OSS world.
Heartbeat 'R1' (i.e. as long as you don't use 'crm' mode) -- simple,
stupid, has been rock solid (and, consequently, untouched) for years.
2-node active/passive clusters only, DIY external resource monitoring
(mon), the level of support is: Digimer will tell you "upgrade to
pacemaker".
Or cman+rgmanager, either one. The argument for pacemaker is, as I said
in the first reply, that it is the only stack with long-term plans.
Heartbeat has been deprecated for some time already, and RH stopped
development of cman+rgmanager a year or two ago with the release of 3.2,
though it will be actively supported until at least 2020.
Cheers
--
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
access to education?
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