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From: Ted Dunning <ted.dunning@gmail.com>
Date: Thu, 12 Jun 2014 16:55:19 -0700
Message-ID: 
 <CAJwFCa3kTgM0+RLZf5qJO4EoCoQEa_36fXitAUR=_eGjzXw0GA@mail.gmail.com>
Subject: Re: zookeeper cluster
To: "user@zookeeper.apache.org" <user@zookeeper.apache.org>
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The most common error that causes this is to not set up the myid files
correctly.


On Thu, Jun 12, 2014 at 4:47 PM, Cameron McKenzie <mckenzie.cam@gmail.com>
wrote:

> This is not correct, 3 is a minimum for redundancy. If 1 goes down, the
> other 2 can still form a quorum (as there are more than half of them
> remaining). There is likely a configuration issue in the original posters
> case. Either that, or some sort of networking issue, in which the remaining
> 2 nodes cannot communicate with each other.
>
>
> On Fri, Jun 13, 2014 at 9:35 AM, James A. Robinson <jimr@highwire.org>
> wrote:
>
> > 3 is the minimum you can run, if you lose one
> > the remaining 2 cannot reach consensus on
> > who should be the leader.
> >
> > So my understanding has been that one
> > should probably run at a minimum of 5
> > nodes.
> >
> >
> >
> > On Thu, Jun 12, 2014 at 1:07 PM, Lahiru Gunathilake <glahiru@gmail.com>
> > wrote:
> >
> > > Hi Users,
> > >
> > > I have followed the cluster guide and created a zookeeper cluster with
> 3
> > > nodes. After a successful start of the cluster I have created few nodes
> > and
> > > everything looked fine. I see one leader and two followers as we
> expect.
> > >
> > > Now I killed the leader process in machine one and I am waiting for
> rest
> > of
> > > the two processes to pick  a new leader and start serving my requests,
> > but
> > > it seems two followers are simply trying to connect to each other and
> > > throwing errors and whole cluster is not working. Here is my zoo.cfg
> > file.
> > > I tried to restart my leader to see whether cluster comes up
> > automatically,
> > > neither is happening. Am I starting too less server nodes or what is
> the
> > > issue with my setup.
> > >
> > > tickTime=2000
> > > initLimit=10
> > > syncLimit=5
> > > dataDir=/home/sgg/zookeeper/zookeeper-3.4.6/data
> > > clientPort=2181
> > > server.1=149.160.172.65:2888:3888
> > > server.2=156.56.179.104:2888:3888
> > > server.3=gw110.iu.xsede.org:2888:3888
> > >
> > > Can someone please correct me if I am doing something wrong.
> > >
> > > Thanks
> > > Lahiru
> > > --
> > > System Analyst Programmer
> > > PTI Lab
> > > Indiana University
> > >
> >
>

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