Il giorno 26/lug/2012, alle ore 04:59, Angus Salkeld ha scritto: > On 24/07/12 12:12 -0700, Steven Dake wrote: >> On 07/24/2012 10:08 AM, Alessandro Tagliapietra wrote: >>> But i don't see any part (except the future plans) talking about HA at >>> instance level, that seems more to an application level >>> >> >> Currently heat's healthchecking is application only, but we do intend to >> improve instance healthchecking in v6. We are currently in our v5 >> development which concludes on July 30th. We have 4-5 week development >> windows. I'll make certain vm healthchecking is solid for v6 around >> August. However, we may be able to fit into v5 - I'll have to check >> with the main author of the HA feature (Angus Salkeld). > > I have just added a template demonstating an instance sending > healthchecks and getting restarted if it fails to send a healthcheck > within a specified period. > > https://github.com/heat-api/heat/blob/master/templates/WordPress_Single_Instance_With_IHA.template > > (just to give you another option).
Thanks for that but I don't think that just restarting starts the vm on the other node if it fails. Best -- Alessandro Tagliapietra | VISup srl piazza 4 novembre 7 20124 Milano http://www.visup.it > > -Angus > >> >> The HA feature HOWTO is described a bit here: >> >> https://github.com/heat-api/heat/wiki/Using-HA >> >> An example HA application template is here: >> >> https://github.com/heat-api/heat/blob/master/templates/WordPress_Single_Instance_With_HA.template >> >> This template launches a wordpress cloud application. If httpd or mysql >> fail, they are restarted. If they fail 3 times in 5 minutes, the entire >> VM is restarted (this is called escalation) under the assumption that >> the VM container is defective in some way. >> >> Regards >> -steve >> >>> Il giorno 24/lug/2012, alle ore 18:56, Jay Pipes ha scritto: >>> >>>> On 07/24/2012 12:52 PM, Alessandro Tagliapietra wrote: >>>>> Thank you Jay, never read about that. >>>>> Seems something like scalr/chef? WHich handles application and keeps a >>>>> minimum number of vm running? >>>> >>>> Yeah, kinda.. just one more way of doing things... :) >>>> -jay >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~openstack >>> Post to : openstack@lists.launchpad.net >>> Unsubscribe : https://launchpad.net/~openstack >>> More help : https://help.launchpad.net/ListHelp >>> >> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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