ceph/doc/cephadm/index.rst

   1 .. _cephadm:
   2
   3 =======
   4 Cephadm
   5 =======
   6
   7 ``cephadm`` deploys and manages a Ceph cluster. It does this by connecting the
   8 manager daemon to hosts via SSH. The manager daemon is able to add, remove, and
   9 update Ceph containers. ``cephadm`` does not rely on external configuration
  10 tools such as Ansible, Rook, and Salt.
  11
  12 ``cephadm`` manages the full lifecycle of a Ceph cluster. This lifecycle
  13 starts with the bootstrapping process, when ``cephadm`` creates a tiny
  14 Ceph cluster on a single node. This cluster consists of one monitor and
  15 one manager. ``cephadm`` then uses the orchestration interface ("day 2"
  16 commands) to expand the cluster, adding all hosts and provisioning all
  17 Ceph daemons and services. Management of this lifecycle can be performed
  18 either via the Ceph command-line interface (CLI) or via the dashboard (GUI).
  19
  20 ``cephadm`` is new in Ceph release v15.2.0 (Octopus) and does not support older
  21 versions of Ceph.
  22
  23 .. toctree::
  24     :maxdepth: 2
  25
  26     compatibility
  27     install
  28     adoption
  29     host-management
  30     Service Management <services/index>
  31     upgrade
  32     Cephadm operations <operations>
  33     Client Setup <client-setup>
  34     troubleshooting
  35     Cephadm Feature Planning <../dev/cephadm/index>