Open Stack

Daniel,

2014.1.4 will have everything that was included in 2014.1.1, .2, and .3.  No need to do 3 updates - just update to the latest one.  You might need to make sure you don't need to do some db schema updates or something.  But we have never had an issue going to the latest maintenance release of  a stable branch.  Just do your upgrade testing in dev/test ahead of time.  Updates to a stable branch is *usually* an install new packages and restart services action for us.

Yes, you can run mismatched versions of openstack projects.  In general move away from thinking of openstack as a single system that must be upgraded in lock-step and think of openstack as a loosely coupled individual set of projects.  Where you can run mismatched versions.  Possible to even run say: Master version of keystone, 2014.2.2 version of nova/neutron and 2014.1.2 version of heat (Note: I have no clue if that config actually works - assuming all those versions supplied the required features it *should* work.)
____________________________________________

Kris Lindgren
Senior Linux Systems Engineer
GoDaddy, LLC.


From: Daniel Comnea <comnea.dani at gmail.com<mailto:comnea.dani at gmail.com>>
Date: Monday, March 30, 2015 at 1:19 PM
To: Daniel Comnea <comnea.dani at gmail.com<mailto:comnea.dani at gmail.com>>
Cc: "openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>" <openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>>, "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [Openstack-operators] [Openstack-dev][all] how to apply security/back-ported release to Icehouse production

No thoughts?



On Sat, Mar 28, 2015 at 10:35 PM, Daniel Comnea <comnea.dani at gmail.com<mailto:comnea.dani at gmail.com>> wrote:
Hi all,

Can anyone shed some light as to how you upgrade/ applies the security/back-ported patches?

E.g  - let's say i already have a production environment running Icehouse 2014.1 as per the link [1] and i'd like to upgrade it to latest Icehouse release 2014.1.4.

Also do you have to go via sequential process like

2014.1 -> 2014.1.1 -> 2014.1.2 -> 2014.1.3 -> 2014.4 or i can jump from 2014.1 to 2014.1.4?

And the last questions is: can i cherry pick which bugs part of a project to pull? Can i pull only 1 project - e.g HEAT from latest release 2014.1.4?


Thanks,
Dani

[1] https://wiki.openstack.org/wiki/Releases

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