"Wyatt Tellis" <wtellis@xxxxxxxxxxxxxxxxxx> writes: >>> I'm running 8.1.4 on W2K3 R2. I occasionally get errors of the type: >>> ERROR: could not open relation 1663/856689/856777: Invalid argument > I was able to figure out the table name, but is there a way to figure > out which file caused this error? Huh? That *is* the filename. See http://www.postgresql.org/docs/8.1/static/storage.html regards, tom lane