Please go through the failover documentation. Moreover, you haven't give details on how you have implemented replication either using perl tools or without it.
http://slony.info/documentation/failover.html In case of Slony with perl tools, you get inbuilt scripts which will help to do fail-over when the primary server is NO longer available (ie in a Disaster). slonik_failover -c slon.conf 1 2 slonik_failover -c slon.conf 1 2 | ./slonik --- Regards, Raghavendra EnterpriseDB Corporation Blog: http://raghavt.blogspot.com/ On Mon, Sep 19, 2011 at 12:16 PM, Karuna Karpe <karuna.ka...@os3infotech.com > wrote: > Hello, > > I try to replicate two server i.e. 1 master and 1 slave using > slony replication. can please explain me that when my master server is fail > then how to my slave server is work as master (means it able to perform DML > operation)? How to do this please give me solution for that? > > Regards, > karuna karpe. >