The Loopback Attach allows a file that lives on either the root filesystem (/
) or an existing mount to be attached as a lopback block device. This allows, e.g. a SquashFS image that exists on another mount to be attached and mounted.
The parameter, base: [ "mount", "root" ]
controls if the file is to be found in the root filesystem or in a mount.
Example of a Loopback attachment specification (in the root filesystem):
{
"kind": "loopback",
"loopback": {
"path": "/rhel8.1-x86_64.sqsh",
"base": "root",
}
To see an example use if loopback with an NFS mount, see ../examples/nfs-loopback-scheme