openstack/kolla-ansible
Code Issues Proposed changes
0fcee87549
kolla-ansible/doc/liberty-deployment-warning.rst
Steven Dake 13a6062260 Add documentation about critical data loss 
There is a critical data loss in Liberty 1.0.0.  It is only fair we
warn Operators not to use 1.0.0 and then revert this change once
1.1.0 is released.

Change-Id: I65a18ddbbdbf2fc5f62f62ff7a1650049b61fada
2016-03-08 22:05:22 -07:00

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Liberty 1.0.0 Deployment Warning

Warning Overview

The Kolla community discovered in the of middle Mitaka development that it was possible for data loss to occur if the data container is rebuilt. In this scenario, Docker pulls a new container, and the new container doesn't contain the data from the old container. Kolla stable/liberty and Kolla 1.0.0 are not to be used at this time, as they result in critical data loss problems.

Resolution

To rectify this problem, we plan to have a release of 1.1.0-rc1 on April 1st, 2016. We plan our final releae of 1.1.0 on April 15th, 2016. The work going into this version will be:

  • Move forward to Docker 1.10.z as a minimum dependency.
  • Move to named volumes to remove data loss scenario.
  • Backport upgrade playbooks from Mitaka so Operators may effectively manage OSSA and CVE advisories in their OpenStack cloud without being forced to migrate to Mitaka.
  • Backport thin-containers for Neutron agents.
  • Backport Kolla's docker integration module to remove the hard pin on Docker 1.8.2.
  • The Kolla community expects the docker containers themselves to be minimally modified.