Volume Retype
Overview
This guide will help you getting started with changing volume type in OpenStack’s Horizon and CLI, by using the retype function.
Note: For volumes with -enc suffix it is required to work with the volume in detached mode
In this example, we will use a detached volume with the type 16k-IOPS-enc.
Get more information about the OpenStack command-line client.
Volume retype from Horizon
Navigate to “Project” → “Volumes” choose the volume you want to retype and press the ⬇ arrow next to Edit Volume and select Change Volume Type.
Choose Type
In the pop-up window, choose a new type and set Migration Policy to On Demand.
Check status
The volume status will change to retyping, this can take a while depending on the volume size.
After everything is done, the volume will have the status available.
Volume retype using OpenStack CLI
List all available volumes: openstack volume list --long.
openstack volume list --long
+--------------------------------------+------------------+-----------+------+--------------+----------+--------------------------------------+--------------------------------------+
| ID | Name | Status | Size | Type | Bootable | Attached to | Properties |
+--------------------------------------+------------------+-----------+------+--------------+----------+--------------------------------------+--------------------------------------+
| ad2ca224-78e0-4930-941e-596bbea05b95 | encrypted-volume | available | 1 | 16k-IOPS-enc | false | | |
| db329723-1a3e-4fb9-be07-da6e0a5ff0b1 | | in-use | 20 | 4k-IOPS | true | Attached to docker-test on /dev/vda | attached_mode='rw', readonly='False' |
+--------------------------------------+------------------+-----------+------+--------------+----------+--------------------------------------+--------------------------------------+
Retype volume with: openstack volume set --type <volume-type> --retype-policy on-demand <Volume ID or Name>.
openstack volume set --type 16k-IOPS --retype-policy on-demand ad2ca224-78e0-4930-941e-596bbea05b95
openstack volume list --long
+--------------------------------------+------------------+----------+------+--------------+----------+--------------------------------------+--------------------------------------+
| ID | Name | Status | Size | Type | Bootable | Attached to | Properties |
+--------------------------------------+------------------+----------+------+--------------+----------+--------------------------------------+--------------------------------------+
| ad2ca224-78e0-4930-941e-596bbea05b95 | encrypted-volume | retyping | 1 | 16k-IOPS-enc | false | | |
| db329723-1a3e-4fb9-be07-da6e0a5ff0b1 | | in-use | 20 | 4k-IOPS | true | Attached to docker-test on /dev/vda | attached_mode='rw', readonly='False' |
+--------------------------------------+------------------+----------+------+--------------+----------+--------------------------------------+--------------------------------------+
When retyping is done, status will be shown as: available.
openstack volume list --long
+--------------------------------------+------------------+-----------+------+----------+----------+--------------------------------------+--------------------------------------+
| ID | Name | Status | Size | Type | Bootable | Attached to | Properties |
+--------------------------------------+------------------+-----------+------+----------+----------+--------------------------------------+--------------------------------------+
| ad2ca224-78e0-4930-941e-596bbea05b95 | encrypted-volume | available | 1 | 16k-IOPS | false | | |
| db329723-1a3e-4fb9-be07-da6e0a5ff0b1 | | in-use | 20 | 4k-IOPS | true | Attached to docker-test on /dev/vda | attached_mode='rw', readonly='False' |
+--------------------------------------+------------------+-----------+------+----------+----------+--------------------------------------+--------------------------------------+