Yes. Updating and restarting works fine. One does wonder why you have *four* servers now. That generally doesn't provide any advantage over having three servers.
On Mon, Jun 18, 2012 at 10:28 AM, David Nickerson < [email protected]> wrote: > Say I have a quorum of four ZooKeeper servers. Is there any way I can add a > fifth ZooKeeper to the quorum without interrupting the service? I see some > work on making it easy > here<https://issues.apache.org/jira/browse/ZOOKEEPER-107>and > here< > https://cwiki.apache.org/confluence/display/ZOOKEEPER/ClusterMembership>, > but I'm wondering if there's currently any way to do it at all. Would it > work to start up the fifth pointing to all of the others, then one-by-one > restart the others, updating their configuration to include the fifth? >
