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Diffstat (limited to 'src/ceph/doc/ceph-volume/intro.rst')
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diff --git a/src/ceph/doc/ceph-volume/intro.rst b/src/ceph/doc/ceph-volume/intro.rst new file mode 100644 index 0000000..3869148 --- /dev/null +++ b/src/ceph/doc/ceph-volume/intro.rst @@ -0,0 +1,19 @@ +.. _ceph-volume-overview: + +Overview +-------- +The ``ceph-volume`` tool aims to be a single purpose command line tool to deploy +logical volumes as OSDs, trying to maintain a similar API to ``ceph-disk`` when +preparing, activating, and creating OSDs. + +It deviates from ``ceph-disk`` by not interacting or relying on the udev rules +that come installed for Ceph. These rules allow automatic detection of +previously setup devices that are in turn fed into ``ceph-disk`` to activate +them. + + +``ceph-volume lvm`` +------------------- +By making use of :term:`LVM tags`, the :ref:`ceph-volume-lvm` sub-command is +able to store and later re-discover and query devices associated with OSDs so +that they can later activated. |