I'm going to go ahead and use this bug for the 500 API error specifically. The work for being able to increase the maximum number of disk devices allowed to attach to a single instance with the libvirt driver is part of a blueprint: https://blueprints.launchpad.net/nova/+spec/conf-max-attach-volumes
I'm going to go ahead and use this bug for the 500 API error specifically. The work for being able to increase the maximum number of disk devices allowed to attach to a single instance with the libvirt driver is part of a blueprint: https:/ /blueprints. launchpad. net/nova/ +spec/conf- max-attach- volumes