Unfortunately, I'am getting the error as below when I start the gossip. I had 
followed the same steps as you  mentioned.

REFLECT:I'm not in the list of gossip hosts, exiting
  (the hosts are [cluster_1|cluster_2])

cluster_1 & cluster_2 are node names & are the in /etc/hosts.

Did you face this?

regards,
Niranjan

-----Original Message-----
From: ext leiyonghua [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, August 19, 2008 6:42 AM
To: K, Niranjan (NSN - IN/Bangalore)
Cc: Markus Wanner; pgsql-hackers@postgresql.org
Subject: Re: Postgres-R

hi,
Assume that we have two node
node 0 , 192.168.0.2
node 1 , 192.168.0.3
1. add a host entry in /etc/hosts for hostname resolving.
2. add the host list in configuration 'ensemble.conf' for gossip service:
ENS_GOSSIP_HOSTS=node0:node1
3. set the envrionment variable ENS_CONFIG_FILE export 
ENS_CONFIG_FILE=/xxx/xxx/ensemble.conf
4. start ensemble & gossip
5. try 'c_mtalk' and happy.

this is a simplest case for me, hehe!

leiyonghua



K, Niranjan (NSN - IN/Bangalore) 写道:
> Thanks for the information.
> For Step5 (starting ensemble daemon).- I set the multicast address to 
> both nodes (Node 1& Node 2 eth0: 224.0.0.9/4)  before starting the ensemble. 
> And started the server application mtalk in node 1 & node 2 and then client 
> application in node 1 & node 2. But the count of members ('nmembers') show as 
> 1. This is the output of the client program 'c_mtalk'. Seeing this, I'am 
> assuming that the applications are not merged.
> Could you please let me know how did you proceed with the setup of ensemble?
>
> regards,
> Niranjan
>
> -----Original Message-----
> From: ext leiyonghua [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 18, 2008 2:58 PM
> To: K, Niranjan (NSN - IN/Bangalore); Markus Wanner; 
> pgsql-hackers@postgresql.org
> Subject: Re: Postgres-R
>
> [EMAIL PROTECTED] 写道:
>   
>> I wish to set up the Postgres-R environment, could you please let me know 
>> the steps for setting it up.
>> Thanks.
>>
>>
>>   
>>     
> yeah, actually, i have not been successful to set up this, but let me give 
> some information for you.
> 1. download the postgresql snapshot source code from here:
> http://www.postgresql.org/ftp/snapshot/dev/
> (this is a daily tarball)
>
> 2. Get the corresponding patch for postgres-r from:
> http://www.postgres-r.org/downloads/
>
> 3. apply the patch for snapshot source, and configure like this:
>
> ./configure --enable-replication
> make & make install
>
> 4. install the GCS ensemble, according the document : 
> http://www.cs.technion.ac.il/dsl/projects/Ensemble/doc.html
>
> 5. start ensemble daemon and gossip if neccessary ( yes, make sure the 
> two nodes can 'GCS' each other)
>
> 3. Assume that you have two nodes, start up postgresql and create a database 
> 'db', and create a table 'tb' for testing which should be have a primary key 
> for all nodes.
>
> 4. At the origin node, execute the command at psql console:
> alter database db start replication in group gcs; (which means the 
> database 'db' is the origin and the group 'gcs' is the GCS group name)
>
> 5. At the subscriber node, execute the command:
> alter database db accept replication from group gcs;
>
>
> Hope information above would be helpful, and keep in touch.
>
> leiyonghua
>
>
>   


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