On 4/7/21 7:53 AM, Christian Rohmann wrote:
On 13/01/2021 10:37, Christian Rohmann wrote:
I wrote a tiny patch to add the Ceph RDB feature of fast-diff to backups created by cinder-backup:
* https://review.opendev.org/c/openstack/cinder/+/766856/
Could someone please take a peek and let me know of this is sufficient to be merged?
This change was already merged to master and I now created cherry-picks / backports to victoria (https://review.opendev.org/c/openstack/cinder/+/782917) and ussuri (https://review.opendev.org/c/openstack/cinder/+/782929). Also Andrey Bolgov did create yet another backport of this feaure down to stable/train (https://review.opendev.org/c/openstack/cinder/+/784041).
While the cherry-pick onto the stable/victoria branch does verify fine with Zuul (only need review to be merged), the cinder-plugin-ceph-tempest tests fail for ussuri and also train.
Stdout: 'RBD image feature set mismatch. You can disable features unsupported by the kernel with "rbd feature disable volumes/volume-081e9c22-21f3-4585-a2fe-1caed098052b object-map fast-diff".\nIn some cases useful info is found in syslog - try "dmesg | tail".\n' Stderr: 'rbd: sysfs write failed\nrbd: map failed: (6) No such device or address\n'
Could anybody give me a hint on why this might be?
You have hit https://bugs.launchpad.net/devstack-plugin-ceph/+bug/1921897 Eric has a patch up addressing this: https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/783880
Also is there any other process to follow for backports than to create a cherry-pick from the following release down and wait for review?
You're following the correct procedure. One thing I noticed, though, is that your pick to stable/ussuri should have the cherry pick info for both the cherry-pick from master (which was the wallaby development branch at the time) to stable/victoria and also from victoria to stable/ussuri.
Regards
Christian