Andrew Watkins <andrew@xxxxxxxxxxxxxxx> writes: > Thanks. I suppose my question is less about the mechanisms for > actually starting the servers and more about where to install the > servers, where they should be running, etc. For example, if I'm using > a shared file system across each node in the cluster and postgres has > been installed in, say, /home/user/pgres, and initdb has initialized > the database on, say, /home/user/pgres/data, then it would seem like > there would end up being conflicts in file names when trying to launch > a local server on each node. On the other hand, if there is disk space > local to each node, then running the servers there would not allow for > the assessing of the impact on a parallel file system. You will definitely have to run initdb, and start Postgres, with a unique data directory for each machine (maybe named after the host?) -- having more than one server process trying to use a single directory will break everything. -Doug
