Managing your cloud resources with OpenStack: Difference between revisions

You can then [[OpenStack#Downloading an image |download the image]] as described below. It is best to detach the volume from the VM before you create an image from the volume. If the volume is a boot volume you will likely need to delete your VM to detach it, however, make sure you have not checked "Delete Volume on Instance Delete" when creating the VM.

Cloning a volume is a quick and easy way to make a copy of a volume and it is the recommended method for copying volumes. While it is possible to make an image of an existing volume and use that to create a new volume this method is much faster and requires less movement of data behind the scense than image creation. This is handy if you have a persistent VM and you want to test out something before doing it on your production site. It is highly recommended to shutdown your VM before creating a clone of the volume as the newly created volume may be left in an inconsistent state if there was writting to the source volume during the time the clone was created. To create a clone you must use the [[OpenStack Command Line Clients|command line client]] using this command.

{{Command|openstack volume create --source <source-volume-id> --size <size-of-new-volume> <name-of-new-volume>}}