[Openstack-operators] CInder - migration to LVM from RBD

2018-02-16 Thread Josef Zelenka
Hello everyone, i'm currently trying to figure out how to migrate my volumes from my ceph backend. I'm currently using Ceph Luminous, but so far it has proven not really prod ready for us, so we want to downgrade. However, our client already has some of his VMs on this ceph cluster and downgr

Re: [Openstack-operators] CInder - migration to LVM from RBD

2018-02-16 Thread Josef Zelenka
Hi, we've had several issues, mainly very slow recovery(on clusters containing rbd volumes, cephfs, radosgw pools) - sometimes even ten times slower. Also there have been issues with performance when the cluster was over 65%~ full, there has been a significant slowdown. ANother issue we've batt

[Openstack-operators] Developer Mailing List Digest February 10-16th

2018-02-16 Thread Mike Perez
HTML version: https://www.openstack.org/blog/?p=8321 Please help shape the future of the Developer Mailing List Digest with this two question survey: https://openstackfoundation.formstack.com/forms/openstack_developer_digest_feedback Contribute to the Dev Digest by summarizing OpenStack Dev and S