Openstack volume in-use although VM doesn't exist

A user at Cloudwatt had an issue about Cinder volumes with status in-use, attached to VMs that didn't exist anymore. I could find similar bugs referenced in launchpad here and there, both with status invalid... But I didn't succeed in reproducing the bug (using both the Horizon dashboard ...

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Ceph and Cinder multi-backend

Ceph's documentation is quite extensive. However, when trying and installing Ceph on a running Openstack platform, I met two main issues: How to deal with a multi-backend setup? And how to deal with several nova-compute nodes? This note will focus on the steps that I followed in order to ...

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