"Slony is the Russian plural for elephant. It is also the name of the new replication project being developed by Jan Weick. The mascot for Slony, Slon, is a good variation of the usual Postgres elephant mascot, created by Jan.
"Slony-I, the first iteration of the project, is an asynchronous replicator of a single master database to multiple replicas, which in turn may have cascaded replicas. It will include all features required to replicate large databases with a reasonable number of replicas. Jan has targeted Slony-I toward data centers and backup sites, implying that all nodes in the network are always available..."