CinderAntelopePTGSummary
Introduction
The Sixth virtual PTG for the 2023.1 Antelope cycle of Cinder was conducted from Tuesday, 18th October, 2022 to Friday, 21 October, 2022, 4 hours each day (1300-1700 UTC). This page will provide a summary of all the topics discussed throughout the PTG.
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This document aims to give a summary of each session. More context is available on the cinder Zed PTG etherpad:
The sessions were recorded, so to get all the details of any discussion, you can watch/listen to the recording. Links to the recordings are located at appropriate places below.
Tuesday 18 October
recordings
User survey feedback
https://lists.openstack.org/pipermail/openstack-discuss/2022-October/030843.html https://docs.google.com/spreadsheets/d/1hHC4hg_Zt9FLYYJ7UA9iVomBbExUhhyJd2QpmrriiBQ/edit#gid=0
The user survey feedback comments are summarized in the following 3 sections:
1) Done:
- Ceph QoS ==> Done in Zed https://docs.openstack.org/releasenotes/cinder/zed.html (code https://review.opendev.org/c/openstack/cinder/+/820027)
- Shared volume ==> Multi-attach (if driver supports it)
- "Images deployment" ==> cinder glance_store has been improved over the past few releases; not sure what this means exactly
2) Actionable:
- Document HA deployments
- Online retyping between different Ceph RBD backends (clusters) ==> Eric will try to look if libvirt supports it now
- Improvements on encryption: key rotation, multiple LUKS keys ==> Could explore some ideas
3) Questions:
- Real Active/Active ==> What does this mean specifically?
- Live migration with Pure iSCSI ==> This should work in new OpenStack releases
- Error management:
- Better attach/detach cleanup on failure ==> For example not leaving volumes on reserved/detaching?
- Better error handling when failed to create/mount/delete ==> User Messages?
- Better support for cinder-backup services- especially the filesystem drivers. ==> Bug in driver?
- Volume Group expansion ==> Extend volumes? Or more operations (which)?
