[ClusterLabs] 2-Node Cluster Pointless?

Digimer lists at alteeve.ca
Mon Apr 17 16:58:13 UTC 2017


On 17/04/17 12:49 PM, Dimitri Maziuk wrote:
> On 04/17/2017 11:03 AM, Digimer wrote:
>> On 17/04/17 11:15 AM, Dmitri Maziuk wrote:
> 
>>> What you want to know is whether the customer can access the service.
>>> Adding more nodes does not answer that question, but since Andrew is
>>> writing cluster software, not providing services, that's not his problem.
> 
>> Can you elaborate? I'm not following your point/concern here...
>> Availability is all about making sure customers/users can access their
>> services.
> 
> Which part? The one where you don't know unless your monitor is on the
> customer's machine? Or the part where we all like to write something
> new, clever, and exciting? Which is usually not the same as the best we
> can do for the actual problem at hand?

I was trying to frame your comment in the context of "2-node" vs. "3+
node" clusters. Unless I am misunderstanding, your comment is related to
serviceability of clusters in general. I'm failing to link the contexts.
Similarly, I'm not sure how this relates to "new" vs. "best"... maybe I
need another coffee?

-- 
Digimer
Papers and Projects: https://alteeve.com/w/
"I am, somehow, less interested in the weight and convolutions of
Einstein’s brain than in the near certainty that people of equal talent
have lived and died in cotton fields and sweatshops." - Stephen Jay Gould




More information about the Users mailing list