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+========================
+Create a Ceph filesystem
+========================
+
+.. tip::
+
+ The ``ceph fs new`` command was introduced in Ceph 0.84. Prior to this release,
+ no manual steps are required to create a filesystem, and pools named ``data`` and
+ ``metadata`` exist by default.
+
+ The Ceph command line now includes commands for creating and removing filesystems,
+ but at present only one filesystem may exist at a time.
+
+A Ceph filesystem requires at least two RADOS pools, one for data and one for metadata.
+When configuring these pools, you might consider:
+
+- Using a higher replication level for the metadata pool, as any data
+ loss in this pool can render the whole filesystem inaccessible.
+- Using lower-latency storage such as SSDs for the metadata pool, as this
+ will directly affect the observed latency of filesystem operations
+ on clients.
+
+Refer to :doc:`/rados/operations/pools` to learn more about managing pools. For
+example, to create two pools with default settings for use with a filesystem, you
+might run the following commands:
+
+.. code:: bash
+
+ $ ceph osd pool create cephfs_data <pg_num>
+ $ ceph osd pool create cephfs_metadata <pg_num>
+
+Once the pools are created, you may enable the filesystem using the ``fs new`` command:
+
+.. code:: bash
+
+ $ ceph fs new <fs_name> <metadata> <data>
+
+For example:
+
+.. code:: bash
+
+ $ ceph fs new cephfs cephfs_metadata cephfs_data
+ $ ceph fs ls
+ name: cephfs, metadata pool: cephfs_metadata, data pools: [cephfs_data ]
+
+Once a filesystem has been created, your MDS(s) will be able to enter
+an *active* state. For example, in a single MDS system:
+
+.. code:: bash
+
+ $ ceph mds stat
+ e5: 1/1/1 up {0=a=up:active}
+
+Once the filesystem is created and the MDS is active, you are ready to mount
+the filesystem. If you have created more than one filesystem, you will
+choose which to use when mounting.
+
+ - `Mount CephFS`_
+ - `Mount CephFS as FUSE`_
+
+.. _Mount CephFS: ../../cephfs/kernel
+.. _Mount CephFS as FUSE: ../../cephfs/fuse