On Thu, Aug 28, 2014 at 2:58 PM, umang singh <umangsingh at gmail.com> wrote:
> When the mode housing the master DB is down, I am getting repeated "could
> not connect to server: No route to host" logs on the slave node and it is
> not entirely clear whether slony is generating this log or whether it is
> because of some other psql command.

slony will keep trying.

where are you seeing this message? perhaps you should check the slony
logs for what it is doing, and compare to wherever this other message
is appearing to see if they are at the same time slony does something.