Hi If we deploy Keystone using memcached as token backend we see that bringing down 1 of 3 memcache servers results in some tokens getting invalidated. Does memcached not support replication of tokens So if we wanted HA w.r.t keystone tokens should we use SQL backend for tokens? Ajay -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20151218/2d737c88/attachment.html>