Storage driver compatibility

overlay2 is the only storage driver supported by MCR 29.0, with the exception of btrfs, which MCR supports on SLES.

When the containerd image store is enabled, Engine uses snapshotters for image layers rather than the classic graph driver model.

MCR storage driver compatibility

Graphdriver	MCR 29.2	MCR 25.0	MCR 23.0
overlay2	Supported	Supported	Supported
btrfs	Supported only on SLES. Unsupported on all other Linux platforms.	Supported only on SLES. Unsupported on all other Linux platforms.	Supported only on SLES. Unavailable on all other Linux platforms.
vfs	Unsupported. Made available for debugging purposes only.	Unsupported. Made available for debugging purposes only.	Unsupported. Made available for debugging purposes only.