On Tue, Dec 07, 2010 at 09:37:20PM -0600, Jon Nelson wrote: > One difference is the location of the transaction logs (pg_xlog). In > my case, /var/lib/pgsql/data *is* mountpoint for the test volume > (actually, it's a symlink to the mount point). In your case, that is > not so. Perhaps that makes a difference? pgsql_tmp might also be on > two different volumes in your case (I can't be sure). I just tried tried to run t.sql five times with /var/lib/postgres as a mountpoint for a 5400 rpm disk, and I still haven't been able to replicate it. If you can point out how to query pgsql_tmp (I'm using a completely default postgres install), that would be helpful, but I don't think it would be going anywhere else. Still trying.... - Ted -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel