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Diffstat (limited to 'doc/rados/deployment/ceph-deploy-mds.rst')
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diff --git a/doc/rados/deployment/ceph-deploy-mds.rst b/doc/rados/deployment/ceph-deploy-mds.rst new file mode 100644 index 00000000..aee5242a --- /dev/null +++ b/doc/rados/deployment/ceph-deploy-mds.rst @@ -0,0 +1,42 @@ +============================ + Add/Remove Metadata Server +============================ + +With ``ceph-deploy``, adding and removing metadata servers is a simple task. You +just add or remove one or more metadata servers on the command line with one +command. + +See `MDS Config Reference`_ for details on configuring metadata servers. + + +Add a Metadata Server +===================== + +Once you deploy monitors and OSDs you may deploy the metadata server(s). :: + + ceph-deploy mds create {host-name}[:{daemon-name}] [{host-name}[:{daemon-name}] ...] + +You may specify a daemon instance a name (optional) if you would like to run +multiple daemons on a single server. + + +Remove a Metadata Server +======================== + +Coming soon... + +.. If you have a metadata server in your cluster that you'd like to remove, you may use +.. the ``destroy`` option. :: + +.. ceph-deploy mds destroy {host-name}[:{daemon-name}] [{host-name}[:{daemon-name}] ...] + +.. You may specify a daemon instance a name (optional) if you would like to destroy +.. a particular daemon that runs on a single server with multiple MDS daemons. + +.. .. note:: Ensure that if you remove a metadata server, the remaining metadata + servers will be able to service requests from CephFS clients. If that is not + possible, consider adding a metadata server before destroying the metadata + server you would like to take offline. + + +.. _MDS Config Reference: ../../../cephfs/mds-config-ref |