Open Stack

Hello,

 

We currently plan to upgrade our Openstack setup from Icehouse to Juno or
even Kilo. This also includes a version upgrade on the host based OS from
Centos 6.6 to 7.x

I have some questions regarding the upgrade an hope to learn from your
experience.

 

First question is, is there a Openstack version compatibility guaranteed
within the different releases? The idea behind it to upgrade the different
services (compute nodes / management nodes) in separate phases.

Second, is the live-migration with block-migrate feature compatible between
versions. One upgrade solution we currently playing with is to move existing
VMs with live-migration & block-migrate (no shared storage) to fresh
installed Centos 7 Kilo compute nodes.

 

Any best practice tips highly appreciated!

 

Cheers,

Chris

 

 

 

 

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