Create Volume in Web Interface and CLI

You can create a new volume using either the Web Interface or the CLI. You can also create volume from a snapshot. A snapshot is a mechanism where you to create a new image from a running services which serves as a templating and backup mechanism.

Creating volume

Web Interface

Log-in to the STFC cloud (https://openstack.stfc.ac.uk/auth/login/?next=/ )
In the Web Interface, Go to Volumes -> Volumes
Click on Create Volume
Choose a name and size (in GiB),
(Optional) you can select to create a volume from a snapshot in the volume source drop-down.
After creation, you will see the volume in the list

Command-Line

Refer to Using the OpenStack Command Line Interface

Steps

Create simple volume

Run the following command in Terminal

openstack volume create --size <size-in-GiB> <name>

Create image from snapshot/image

Find the ID of your snapshot

$ openstack volume snapshot list
+--------------------------------------+--------------------------------------+-------------+-----------+------+
| ID                                   | Name                                 | Description | Status    | Size |
+--------------------------------------+--------------------------------------+-------------+-----------+------+
| 76d51455-a5cd-478d-a93f-6e49b4108575 | testing-v-snapshot                   | None        | available |    3 |
+--------------------------------------+--------------------------------------+-------------+-----------+------+

Run the following command in Terminal

openstack volume create --snapshot <snapshot-id> --size <size> <name