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] 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