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OpenStack's solution for instances HA

asked 2016-01-30 23:52:17 -0600

Albert94 gravatar image

Hello All !! Is there any way to implement high Availability between instances in Open Stack Compute Nodes ????

for example : if one of the nodes fails, instances running on another node automatically !!

Best Regards Albert

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It depends in the running hypervisor you use. For example, with VMware it will works. I think in the last kvm version that funcionallity is available too, but i don't know if it is implemented on OpenStack

Eduardo Gonzalez gravatar imageEduardo Gonzalez ( 2016-01-31 10:41:32 -0600 )edit

Ok !!! So it depends on hypervisor and openstack doesn't have any solution ! What about qemu ?????? Is it support HA ??

Albert94 gravatar imageAlbert94 ( 2016-01-31 12:59:19 -0600 )edit

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answered 2016-01-31 21:06:33 -0600

Albert94 gravatar image

Why openstack doesn't have any solution ??? Cloud environment doesn't need HA ????

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Well designed applications for cloud environment doesn't need HA, since them are stateless, and are executed between multiple instances running the same job

Eduardo Gonzalez gravatar imageEduardo Gonzalez ( 2016-02-01 02:39:33 -0600 )edit

If you need multiple instances in different hosts, you can use anti affinity rules to avoid downtime.

Eduardo Gonzalez gravatar imageEduardo Gonzalez ( 2016-02-01 02:40:22 -0600 )edit

Thank You For Your Help !!!

Regards Albert

Albert94 gravatar imageAlbert94 ( 2016-02-04 15:05:28 -0600 )edit

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Asked: 2016-01-30 23:52:17 -0600

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Last updated: Jan 31 '16