doc: update Brocade FCZM documentation
@@ -52,9 +52,13 @@ through HTTP, HTTPS, or SSH.
.. warning::
- The Brocade Fibre Channel Zone Driver is no longer supported. It is subject
- to removal during the "V" development cycle, following the standard
- OpenStack deprecation policy.
+ The Brocade Fibre Channel Zone Driver is being supported by the Cinder
+ community on a best-effort basis. While it is tested with the first
+ Release Candidate of each release, be aware that it is not continually
+ tested by a third-party CI system. The driver was deprecated and
+ marked as 'unsupported' in the Ussuri release, and is subject to
+ immediate removal if the maintenance burden exceeds the community's
+ capacity.
Set the following options in the ``cinder.conf`` configuration file under the
``[fc-zone-manager]`` section.
