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doc/cephadm: break mon section into sections

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This PR breaks the "Deploy Additional Monitors" section
of the cephadm documentation into several subsections
whose titles spotlight the matter under discussion in
those respective subsections.

inb4: Another PR is on deck that rewrites the sentences
in this chapter of the cephadm documentation. I'd like
to get this chapter broken up into these subsections before
I rewrite those sentences. So I'm hoping for no grammatical
mission creep on this one. The grammar and clarity updates
are coming.

Signed-off-by: Zac Dover <zac.dover@gmail.com>
This commit is contained in:
Zac Dover 2021-03-16 01:03:06 +10:00
parent fcf8fbcb6e
commit 25d9429d66
1 changed files with 17 additions and 16 deletions
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33
doc/cephadm/mon.rst
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@ -4,8 +4,8 @@ MON Service
.. _deploy_additional_monitors:
Deploying additional monitors (beyond the default three)
========================================================
Deploying additional monitors
-----------------------------
A typical Ceph cluster has three or five monitor daemons that are spread
across different hosts. We recommend deploying five monitors if there are
@ -29,7 +29,7 @@ manual administration of the ceph monitor daemons is not necessary.
needed, as new hosts are added to the cluster.
Designating a Particular Subnet for Monitors
============================================
--------------------------------------------
To designate a particular IP subnet for use by ceph monitor daemons, use a
command of the following form, including the subnet's address in `CIDR`_
@ -49,18 +49,18 @@ Cephadm deploys new monitor daemons only on hosts that have IP addresses in
the designated subnet.
Changing the number of monitors from the default
================================================
------------------------------------------------
* If you want to adjust the default of 5 monitors, run this command:
If you want to adjust the default of 5 monitors, run this command:
.. prompt:: bash #
ceph orch apply mon *<number-of-monitors>*
Deploying monitors only to specific hosts
=========================================
-----------------------------------------
* To deploy monitors on a specific set of hosts, run this command:
To deploy monitors on a specific set of hosts, run this command:
.. prompt:: bash #
@ -69,11 +69,10 @@ Deploying monitors only to specific hosts
Be sure to include the first (bootstrap) host in this list.
Using Host Labels
=================
-----------------
* You can control which hosts the monitors run on by making use of
host labels. To set the ``mon`` label to the appropriate
hosts, run this command:
You can control which hosts the monitors run on by making use of host labels.
To set the ``mon`` label to the appropriate hosts, run this command:
.. prompt:: bash #
@ -109,12 +108,14 @@ Using Host Labels
ceph orch apply mon label:mon
Deploying Monitors Manually
===========================
See also :ref:`host labels <orchestrator-host-labels>`.
* You can explicitly specify the IP address or CIDR network for each monitor
and control where it is placed. To disable automated monitor deployment, run
this command:
Deploying Monitors on a Particular Network
------------------------------------------
You can explicitly specify the IP address or CIDR network for each monitor and
control where each monitor is placed. To disable automated monitor deployment,
run this command:
.. prompt:: bash #