Cephadm: Good bye ceph-deploy
As you probably may know, ceph-deploy, the beloved deployment utility for CEPH, is no longer maintained. Cephadm is the new tool/package to deploy CEPH clusters. CERN has a pretty good intro PDF to it. Cephadm includes…
CEPH
3 posts on CEPH.
Migrating VMs with attached RBDs
From the title, this is obviously a very common scenario that you may want to do. One thing that we rarely think about though is “backends” for the attached volumes when we create volumes. When you create a volume, the…
Busy Cinder volumes & Ceph
If you run into an issue where a Cinder volume you attached to a VM can not be deleted even after detaching it from the VM, and when you look into the logs you find something like ERROR cinder.volume.manager ……. Unable…