Volumes are persistent storage and the best way of thinking of them is as a USB drive, this means you can only attach them to a single computer at a time. When you remove it from the computer, you can then move it to another one and attach it. The same principle works with Nova Volumes. To detach a volume, we use another euca2ools aptly named
euca-detach-volume, or from Nova Client, the option
To begin with, ensure you are logged in to the Ubuntu client that has access to
euca2ools or Nova Client tools. These packages can be installed using the following command:
sudo apt-get update sudo apt-get-y install euca2ools python-novaclient
Carry out the following steps ...