[ovs-dev] [PATCH] ovsdb: Clarify that a server that leaves a cluster may never rejoin.

Ben Pfaff blp at ovn.org
Fri Nov 2 18:29:22 UTC 2018


Thanks, applied.

On Thu, Nov 01, 2018 at 11:25:10AM -0700, Yifeng Sun wrote:
> Looks good to me, thanks.
> Reviewed-by: Yifeng Sun <pkusunyifeng at gmail.com>
> 
> On Mon, Oct 29, 2018 at 4:37 PM Ben Pfaff <blp at ovn.org> wrote:
> 
> > This wasn't clear from the documentation.
> >
> > Reported-by; Paul Greenberg <greenpau at outlook.com>
> > Signed-off-by: Ben Pfaff <blp at ovn.org>
> > ---
> >  Documentation/ref/ovsdb.7.rst | 3 +++
> >  ovsdb/ovsdb-server.1.in       | 3 +++
> >  2 files changed, 6 insertions(+)
> >
> > diff --git a/Documentation/ref/ovsdb.7.rst b/Documentation/ref/ovsdb.7.rst
> > index 39d85b6e5774..f891309fc05d 100644
> > --- a/Documentation/ref/ovsdb.7.rst
> > +++ b/Documentation/ref/ovsdb.7.rst
> > @@ -255,6 +255,9 @@ cluster: transactions not yet replicated to the server
> > will be lost, and
> >  transactions not yet applied to the cluster may be committed.  Afterward,
> > any
> >  servers in its former cluster will regard the server to have failed.
> >
> > +Once a server leaves a cluster, it may never rejoin it.  Instead, create
> > a new
> > +server and join it to the cluster.
> > +
> >  The servers in a cluster synchronize data over a cluster management
> > protocol
> >  that is specific to Open vSwitch; it is not the same as the OVSDB protocol
> >  specified in RFC 7047.  For this purpose, a server in a cluster is tied
> > to a
> > diff --git a/ovsdb/ovsdb-server.1.in b/ovsdb/ovsdb-server.1.in
> > index 2d80dafffb7d..9f78e87f655c 100644
> > --- a/ovsdb/ovsdb-server.1.in
> > +++ b/ovsdb/ovsdb-server.1.in
> > @@ -339,6 +339,9 @@ executed.
> >  .IP
> >  Use \fBovsdb\-client wait\fR (see \fBovsdb\-client\fR(1)) to wait
> >  until the server has left the cluster.
> > +.IP
> > +Once a server leaves a cluster, it may never rejoin it.  Instead,
> > +create a new server and join it to the cluster.
> >  .
> >  .IP "\fBcluster/kick \fIdb server\fR"
> >  Start graceful removal of \fIserver\fR from \fIdb\fR's cluster, like
> > --
> > 2.16.1
> >
> > _______________________________________________
> > dev mailing list
> > dev at openvswitch.org
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >


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