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1 | .. _cephadm: |
2 | ||
3 | ======= | |
4 | Cephadm | |
5 | ======= | |
6 | ||
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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 | |
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21 | versions of Ceph. |
22 | ||
23 | .. toctree:: | |
801d1391 | 24 | :maxdepth: 1 |
9f95a23c | 25 | |
f67539c2 | 26 | compatibility |
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27 | install |
28 | adoption | |
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29 | host-management |
30 | mon | |
31 | osd | |
32 | rgw | |
33 | mds | |
34 | nfs | |
35 | iscsi | |
36 | custom-container | |
37 | monitoring | |
38 | service-management | |
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39 | upgrade |
40 | Cephadm operations <operations> | |
1911f103 | 41 | Client Setup <client-setup> |
9f95a23c | 42 | troubleshooting |
f67539c2 | 43 | Cephadm Feature Planning <../dev/cephadm/index> |