Skip to content

Terminology

Term Meaning
Host One of our physical machines, which runs Incus and Ceph. getonline calls any registered device a host, but these docs only use the word for our machines.
Instance A container or VM that Incus runs on a host.
Tenant A person or team that runs instances on the cluster. An instance's owner is the tenant who created it.
Admin Someone whose SSH and age keys are in keys/admins, which lets them deploy hosts and decrypt secrets.
Cluster All of our hosts, which together run one Incus cluster and one Ceph cluster.
OSD A Ceph daemon that stores data on one disk.
Monitor A Ceph daemon that holds the cluster map and keys.
Manager A Ceph daemon that runs background tasks like PG autoscaling.