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How to deploy openstack cluster on only two nodes?

asked 2014-12-22 15:12:03 -0500

rawfish gravatar image

Hi! At the moment we have dual nodes cluster based on Ganeti and DRBD, this setup provides HA and easy of instance management which we could move from on node to another without shutdown. Next month we are planning to migrate to openstack solution. So the question is how we could deploy openstack cluster with on only two nodes?

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answered 2014-12-23 04:18:00 -0500

dbaxps gravatar image

Here may be a solution you are looking for
http://www.andrewklau.com/getting-sta...
Conversion to Juno&&CentOS 7 may be done following :
1. http://lxer.com/module/newswire/view/...
2. http://lxer.com/module/newswire/view/...

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Thanks for your reply. I see there are two different nodes in the howtos: Compute and Controller. But what will if one of nodes fails? Will our instances continue to work in this case?

rawfish gravatar imagerawfish ( 2014-12-23 13:57:13 -0500 )edit

View post of Andrew Law - first link (keepalived daemon). Personally I didn't test it.

dbaxps gravatar imagedbaxps ( 2014-12-23 14:07:08 -0500 )edit
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answered 2014-12-23 02:01:05 -0500

rawfish gravatar image

thanks for your reply! but i see nothing about storage in this guide, looks like not HA or am i wrong?

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answered 2014-12-22 23:21:23 -0500

follow this documentation.

http://wiki.stackinsider.org/index.ph...

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Asked: 2014-12-22 15:12:03 -0500

Seen: 133 times

Last updated: Dec 23 '14