1. Buy for empty PCI-X Slot - 1 or dual channel SCSI-320 hardware RAID controller, like MegaRAID SCSI 320-2X (don't forget check driver for your OS) plus battery backup plus (optional) expand RAM to Maximum 256MB - approx $1K 2. Buy new MAXTOR drives - Atlas 15K II (4x36.7GB) - approx 4x$400. 3. SCSI 320 Cable set. 4. Old drives (2) use for OS (optional DB log) files in RAID1 mode, possible over one channel of MegaRAID. 5. New drives (4+) in RAID10 mode for DB 6. Start tuning Postres + OS: more shared RAM etc.
Best regards, Alexander Kirpa ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq