[Openstack-operators] [OpenStack] Upgrade Mitaka to Pike

2017-12-17 Thread Sam Huracan
Hi OpenStackers, I'm planning upgrading my OpenStack System. Currently version is Mitaka, on Ubuntu 14.04.5. I want to upgrade to latest version of Pike. I've read some documents and know that Mitaka does not have Rolling upgrade, which means there will have downtime in upgrade process. Our syst

Re: [Openstack-operators] [OpenStack] Upgrade Mitaka to Pike

2017-12-17 Thread Michał Jastrzębski
Hello, M->P will be non trivial. One way to do it, a bit slow but safest would be to upgrade step by step through every intermediate release. Make sure to read and follow every projects upgrade notes, for example Nova added placement api during o->n upgrade which requires additional steps. Good