> would slony still be able to replicate data from the node > having postgres-8.4.2 to the node having postgres-8.4.0 .
Yes. 8.4.0 and 8.4.2 are completely compatible: the only thing that will change is the postgres binary (plus you will need to REINDEX any hash indexes you have, however it's very likely you do not have any). You really should be upgrading all your nodes to 8.4.4 right away, as 8.4.4 is the the current latest revision in the 8.4 series. Visit the upgrade page for more details on what changed between versions: http://www.postgresql.org/docs/8.4/static/release-8-4-4.html -- Greg Sabino Mullane [email protected] End Point Corporation PGP Key: 0x14964AC8
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