How to rescue an instance booted from volume? Updated 2019-07-23T14:22:16+00:00 Issue How to use nova rescue for boot-from-volume instances? Nova rescue does not work for volume backed instances. Are there manual workaround steps to recover a corrupt boot from volume image? Environment Red Hat OpenStack Platform Subscriber content preview. For full access to the Red Hat Knowledgebase, please log in.Not a subscriber? Learn more about the benefits of Red Hat Subscriptions.