Also, using BINARY copy may give great benefits due to lower parsing overhead. As you say you're I/O bound, spreading tables, indices, wal and input file to different spindles won't help you much. HTH Markus -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org