This is needed only in case the target config doesn't have a quorum which are already followers in the old config and are up. We need agreement from a quorum of the target config, but observers aren't participating in the voting protocol.
On Tue, Jun 14, 2016 at 7:35 PM, Michael Han <h...@cloudera.com> wrote: > This might help: > https://zookeeper.apache.org/doc/trunk/zookeeperReconfig.html section > '*Changing > an observer into a follower:'* > "first invoke a reconfig to remove D from the configuration and then invoke > a second command to add it back as a participant (follower)." > > > On Tue, Jun 14, 2016 at 8:53 AM, Nomar Morado <nomar.mor...@gmail.com> > wrote: > > > Hi > > > > I was trying to promote an observer into participant when ZK loses > quorum - > > but it seems that it does not allow to. > > > > Would you know how this can be accomplished without having to recycle ZK? > > > > I am using 3.5.0-alpha > > > > > > Thanks. > > > > > > -- > Cheers > Michael. >
