From: Mike Christie <mchristi@redhat.com>
Date: Thu, 11 Jan 2018 02:33:03 +0000 (-0600)
Subject: doc: add warning about SCSI PGRs/reservations
X-Git-Tag: v12.2.3~96^2~10
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f4b1f3974b26b52d0cfd54f6c1237bccf5cb9921;p=ceph.git

doc: add warning about SCSI PGRs/reservations

Signed-off-by: Mike Christie <mchristi@redhat.com>
(cherry picked from commit 62661a2e23ce98432f3c037fa9a8155a633ee182)
---

diff --git a/doc/rbd/iscsi-initiators.rst b/doc/rbd/iscsi-initiators.rst
index 4dc992af9480..67447789d2b8 100644
--- a/doc/rbd/iscsi-initiators.rst
+++ b/doc/rbd/iscsi-initiators.rst
@@ -8,6 +8,12 @@ Configuring the iSCSI Initiators
 
 - `iSCSI Initiator for VMware ESX <../iscsi-initiator-esx>`_
 
+    .. warning::
+
+        Applications that use SCSI persistent group reservations (PGR) and
+        SCSI 2 based reservations are not supported when exporting a RBD image
+        through more than one iSCSI gateway.
+
 .. toctree::
   :maxdepth: 1
   :hidden: