The most recent method to change the default data directory location is edit
[raw]
/lib/systemd/system/docker.service
[/raw]
Replace the ExecStart value with the following:
[raw]
ExecStart=/usr/bin/dockerd –graph=”/mnt/blockstorage/” -H fd://
[/raw]
Replace graph=”” with the location of your new storage.
or
Edit [raw]/etc/docker/daemon.json[/raw]
[raw]
{
“graph”: “/mnt/blockstorage”
}
[/raw]