Creating an instance from an existing volume¶

If you have a bootable volume available you can launch a new instance using the volume.

Cloud management portal¶

To launch a new instance from an existing volume by using the Cloud management portal

• Follow our guide Launching instances using the cloud management portal, but:

  • When selecting boot source, press the Volumes tab.

  • Select your volume.

  • Proceed according to the guide.

OpenStack Horizon¶

To launch a new instance from an existing volume by using OpenStack Horizon

• Follow our guide Launching instances using OpenStack Horizon, but:

  • On the second tab Source, in the Select boot source dropdown, select Volume

  • Press the small arrow next to the volume you want to base the instance on (available below).

  • Proceed according to the guide.

OpenStack Terminal Client¶

To launch a new instance from an existing volume by using the OpenStack Terminal Client

• Follow our guide Launching instances using OpenStack Horizon, but:

  • Run this command: openstack volume list --status available, save the ID of the volume to use.

  • Replace the server create command in the guide with the below, the Volume ID you get from previous command. You can also skip the steps about which image to use as when using an existing volume, an image is not used.

openstack server create \
--flavor [FLAVOR NAME] \
--availability-zone europe-se-1a \
--volume [VOLUME_ID] \
--network [NETWORK NAME] \
--security-group default \
--key-name [KEY NAME] \
[NAME OF SERVER]