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+.. _rados-operations:
+
+====================
+ Cluster Operations
+====================
+
+.. raw:: html
+
+	<table><colgroup><col width="50%"><col width="50%"></colgroup><tbody valign="top"><tr><td><h3>High-level Operations</h3>
+
+High-level cluster operations consist primarily of starting, stopping, and
+restarting a cluster with the ``ceph`` service;  checking the cluster's health;
+and, monitoring an operating cluster.
+
+.. toctree::
+	:maxdepth: 1
+
+	operating
+	health-checks
+	monitoring
+	monitoring-osd-pg
+	user-management
+	pg-repair
+
+.. raw:: html
+
+	</td><td><h3>Data Placement</h3>
+
+Once you have your cluster up and running, you may begin working with data
+placement. Ceph supports petabyte-scale data storage clusters, with storage
+pools and placement groups that distribute data across the cluster using Ceph's
+CRUSH algorithm.
+
+.. toctree::
+	:maxdepth: 1
+
+	data-placement
+	pools
+	erasure-code
+	cache-tiering
+	placement-groups
+	upmap
+        read-balancer
+        balancer
+	crush-map
+	crush-map-edits
+	stretch-mode
+	change-mon-elections
+
+
+
+.. raw:: html
+
+	</td></tr><tr><td><h3>Low-level Operations</h3>
+
+Low-level cluster operations consist of starting, stopping, and restarting a
+particular daemon within a cluster; changing the settings of a particular
+daemon or subsystem; and, adding a daemon to the cluster or removing a	daemon
+from the cluster. The most common use cases for low-level operations include
+growing or shrinking the Ceph cluster and replacing legacy or failed hardware
+with new hardware.
+
+.. toctree::
+	:maxdepth: 1
+
+	add-or-rm-osds
+	add-or-rm-mons
+	devices
+	bluestore-migration
+	Command Reference <control>
+
+
+
+.. raw:: html
+
+	</td><td><h3>Troubleshooting</h3>
+
+Ceph is still on the leading edge, so you may encounter situations that require
+you to evaluate your Ceph configuration and modify your logging and debugging
+settings to identify and remedy issues you are encountering with your cluster.
+
+.. toctree::
+	:maxdepth: 1
+
+	../troubleshooting/community
+	../troubleshooting/troubleshooting-mon
+	../troubleshooting/troubleshooting-osd
+	../troubleshooting/troubleshooting-pg
+	../troubleshooting/log-and-debug
+	../troubleshooting/cpu-profiling
+	../troubleshooting/memory-profiling
+
+
+
+
+.. raw:: html
+
+	</td></tr></tbody></table>
+