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Recommended steps to apply a new patch to the openstack service?

asked 2015-12-24 01:16:56 -0500

Vinoth gravatar image

Hi,

Is there any recommended way that need to be followed for applying a new patch to the OpenStack service (like nova, neutron...) without downtime?

Thanks,

Vinoth

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answered 2015-12-25 03:55:06 -0500

xiangfei-ma gravatar image

Basically impossible AFAIK except you have the HA backup.

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Maybe I'm too rookie. Let's see other anwsers ^^.

xiangfei-ma gravatar imagexiangfei-ma ( 2015-12-25 03:57:08 -0500 )edit

Thanks for your response Xiangfei! What are the possibilities for HA setup to apply the patch?

Vinoth gravatar imageVinoth ( 2015-12-27 23:39:14 -0500 )edit

I mean if you have the HA setup, then you might be capable of applying the patch by the following steps:
1. apply the patch to standing-by node firstly
2. after that, switch the acting<--->standing-by nodes' status
3. apply the patch to new standing-by node
to avoid the down time.

xiangfei-ma gravatar imagexiangfei-ma ( 2015-12-28 00:15:23 -0500 )edit

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Asked: 2015-12-24 01:16:56 -0500

Seen: 89 times

Last updated: Dec 25 '15