remove ceph code

[stor4nfv.git] / src / ceph / doc / rbd / iscsi-requirements.rst

diff --git a/src/ceph/doc/rbd/iscsi-requirements.rst b/src/ceph/doc/rbd/iscsi-requirements.rst
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-==========================
-iSCSI Gateway Requirements
-==========================
-
-To implement the Ceph iSCSI gateway there are a few requirements. It is recommended
-to use two to four iSCSI gateway nodes for a highly available Ceph iSCSI gateway
-solution.
-
-For hardware recommendations, see the `Hardware Recommendation page <http://docs.ceph.com/docs/master/start/hardware-recommendations/>`_
-for more details.
-
-.. note::
-    On the iSCSI gateway nodes, the memory footprint of the RBD images
-    can grow to a large size. Plan memory requirements accordingly based
-    off the number RBD images mapped.
-
-There are no specific iSCSI gateway options for the Ceph Monitors or
-OSDs, but it is important to lower the default timers for detecting
-down OSDs to reduce the possibility of initiator timeouts. The following
-configuration options are suggested for each OSD node in the storage
-cluster::
-
-        [osd]
-        osd heartbeat grace = 20
-        osd heartbeat interval = 5
-
--  Online Updating Using the Ceph Monitor
-
-   ::
-
-       ceph tell <daemon_type>.<id> injectargs '--<parameter_name> <new_value>'
-
-   ::
-
-       ceph tell osd.0 injectargs '--osd_heartbeat_grace 20'
-       ceph tell osd.0 injectargs '--osd_heartbeat_interval 5'
-
--  Online Updating on the OSD Node
-
-   ::
-
-       ceph daemon <daemon_type>.<id> config set osd_client_watch_timeout 15
-
-   ::
-
-       ceph daemon osd.0 config set osd_heartbeat_grace 20
-       ceph daemon osd.0 config set osd_heartbeat_interval 5
-
-For more details on setting Ceph's configuration options, see the `Configuration page <http://docs.ceph.com/docs/master/rados/configuration/>`_.