If you are having problems with Slony-I, you have several options for help:
Before submitting questions to any public forum as to why “something mysterious” has happened to your replication cluster, please run the Section 5.3, “ test_slony_state” tool. It may give some clues as to what is wrong, and the results are likely to be of some assistance in analyzing the problem.
http://slony.info/ - the official “home” of Slony-I
Documentation on the Slony-I Site- Check the documentation on the Slony website: Howto
A copy of this documentation lives at Christopher Browne's Web Site .
Other Documentation - There are several articles here Varlena GeneralBits that may be helpful.
IRC - There are usually some people on #slony on irc.freenode.net who may be able to answer some of your questions. There is also a bot named "rtfm_please" that you may want to chat with.
Mailing lists - The answer to your problem may exist in the Slony1-general mailing list archives, or you may choose to ask your question on the Slony1-general mailing list. The mailing list archives, and instructions for joining the list may be found here.
If your Russian is much better than your English, then KirovOpenSourceCommunity: Slony may be the place to go.
pgpool is a connection pool server for PostgreSQL; it allows an application to connect to it as if it were a standard PostgreSQL server. It caches connections, which reduces the overhead involved in establishing them. It supports a “scheduled switchover” feature, which would allow dynamically switching over from one server to another. That would be very useful when doing a MOVE SET, as it would allow applications to be switched to point to the new origin without needing to update their configuration.
slony-config - A Perl tool for configuring Slony nodes using config files in an XML-based format that the tool transforms into a Slonik script