On 2014-02-21T13:02:23, Vladislav Bogdanov <bub...@hoster-ok.com> wrote:
> It could be nice feature to have kind of general SLA concept (it could
> be very similar to the utilization one from the resource configuration
> perspective), so resources try to move or live migrate out of nodes
> which have SLA attributes below the configured threshold. That SLA
> attributes should probably go to the status section (to not trigger
> transition aborts on attribute updates) and be managed both internally
> by pacemaker (expansion to the recent "node-load" concept) and by
> resource agents (like Health-* as noted by Frank).
>
> Pacemaker already has (almost?) all pieces of code to do that ('rule'
> and 'score-attribute'), but in my taste it is still not enough general
> in contrast to 'utilization' feature.
The SystemHealth and node health features are clearly meant to achieve
this; what's missing from your point of view?
(Note that "disk goes bad" is typically caught by resource monitoring
failures at the same time anyway.)
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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