On 11/15/2014 10:21 AM, Miles Fidelman wrote:
Andras POTOCZKY wrote:
...
I've found pacemaker is the tool for it but I couldnt find any
document or example related to the application level HA.
Can somebody point me how can I figure this out?
...
The short answer: Look for documentation on resource agents. If your
application has a pre-existing resource agent defined, then you set that
up and it handles failover.
The shorter answer: Clusters from Scratch (google it). If your
application is "stateless", like httpd, there is a chapter on apache. If
it keeps state, that's typically stored on a drbd filesystem and there's
a chapter on drbd. That should give you a reasonable starting point.
Dima
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