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doc/orch: Host labels

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Fixes: https://tracker.ceph.com/issues/45833
Signed-off-by: Sebastian Wagner <sebastian.wagner@suse.com>
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Sebastian Wagner 2021-02-15 13:34:47 +01:00
parent 82618d0af1
commit 4cb501416d
1 changed files with 23 additions and 0 deletions
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doc/mgr/orchestrator.rst
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@ -107,6 +107,25 @@ Many hosts can be added at once using
This can be combined with service specifications (below) to create a cluster spec file to deploy a whole cluster in one command. see ``cephadm bootstrap --apply-spec`` also to do this during bootstrap. Cluster SSH Keys must be copied to hosts prior to adding them.
.. _orchestrator-host-labels:
Host labels
-----------
The orchestrator supports assigning labels to hosts. Labels
are free form and have no particular meaning by itself and each host
can have multiple labels. They can be used to specify placement
of daemons. See :ref:`orch-placement-by-labels`
To add a label, run::
ceph orch host label add my_hostname my_label
To remove a label, run::
ceph orch host label rm my_hostname my_label
OSD Management
==============
@ -802,6 +821,8 @@ MONs and other services may require some enhanced network specifications::
where ``[v2:1.2.3.4:3300,v1:1.2.3.4:6789]`` is the network address of the monitor
and ``=name`` specifies the name of the new monitor.
.. _orch-placement-by-labels:
Placement by labels
-------------------
@ -817,6 +838,8 @@ Or in YAML:
placement:
label: "mylabel"
* See :ref:`orchestrator-host-labels`
Placement by pattern matching
-----------------------------