Hi all, i'm planning to realize the following scenario. I have a Xen VM with Sles 10 and Postgresql 8.3 and would likje to upgrade to Sles 11 and Postgres 9. This step i don't think it will be a problem. But know i would like to make this VM high available. My first idea was to create a second VM. This vm get the same configuration as the master system and some tools work to synchronize both servers. But the realisation of HA it's more complex as i think. I read something about DRBD, Wal-Files, 2x rsync, Slony, PGPool 2. I saw that other tools also works. But it's unclear what the best solution is for a HA System with 2 VMs, which are running on different servers. If the first server crashs the other server can run the secondary instance. Both servers should indenpendent run. My first meaning was from this articles which i read, that i should use PGPool 2 in combination with DRBD and Heartbeat, but without practical relevance. Who did you realize your HA System? What solution would you prefer in my situation? best regards Benjamin -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
