monok8s/docs/partitions.md

config

The first partition (vfat).

/opt/monok8s/config        # Config for starting up the cluster, flags, upgrade state, node identity

Rootfs A/B (readonly)

OS partition for A/B deployment

data

/data/
├── var/                   # mounted to /var
├── var/lib/registry       # overlay to upperdir for /var/lib/registry
└── etc-upper/             # optional split if you want control