Restart the OpenStack Cinder service and detach the volume from the instance if it's still present.
5 Troubleshooting Tips to Fix a Cinder Volume Stuck in 'Attaching' State
Cinder is the block storage service in OpenStack that provides persistent storage to virtual machines (VMs). Occasionally, you might encounter an issue where a Cinder volume gets stuck in the 'attaching' state, which prevents it from being used by a VM. This article provides five troubleshooting tips to help you fix this issue.
Resolving Cinder Volume 'Attaching' State: A Comprehensive Guide
If you are a cloud operator or a developer working with OpenStack, you may have encountered the 'attaching' state of a Cinder volume. Cinder is OpenStack's block storage service that enables users to create, attach and detach persistent block storage volumes to compute instances. Cinder volumes can be attached to only one instance at a time.
From Diagnosis to Solution: How to Fix a Cinder Volume Stuck in 'Attaching' State
If you're a system administrator or a user of OpenStack cloud, you might have encountered a problem where a Cinder volume gets stuck in the 'Attaching' state. This is a frustrating issue that can affect your system's performance, and you need to find a solution as soon as possible.