VM Cold migrations/resizing in openstack

Cold migrations are an integral piece of any QEMU/KVM deployment. It's cold or "non-live" as you have to power down the VM, move it to the new host and power it back up. Openstack follows the same procedure when it comes to migrating VMs. Cold migrations in Openstack are done via the user running the … Continue reading VM Cold migrations/resizing in openstack

Advertisements

cinder-manage: Did you know about it ?

A tool that's less known-about for cinder is cinder-manage. You might have run into it during upgrades. The most common use case is cinder-manage db sync This is normally executed during upgrades to bring the database to the latest version, or to create the schema for a new installation. But there's actually additional usages for … Continue reading cinder-manage: Did you know about it ?