- Create a new volume
sudo docker volume create newvolume
- Delete
_datafrom the new volume
sudo rm -rfv /var/lib/docker/volumes/newvolume/_data
- Moving
_datafrom the old to the new volume
sudo mv /var/lib/docker/volumes/oldvolume/_data /var/lib/docker/volumes/newvolume/
- Delete the old volume
sudo docker volume rm oldvolume
Credit: https://www.reddit.com/r/docker/comments/wzc4i0/rename_docker_volume/