Ray Stell wrote: >> The machine had bad RAM; we were getting undetected/uncorrected single-bit >> errors creeping through! > who's the machine/memory vendor? I don't know exactly; it's a colocated machine that we don't own. dmidecode (trimmed down) says: System Information Manufacturer: Supermicro Product Name: C2SBM-Q Version: 0123456789 [...] Memory Device Error Information Handle: No Error Size: 2048 MB Form Factor: DIMM Bank Locator: DIMM 2 Type: DDR2 Type Detail: Synchronous Speed: 800 MHz (1.2 ns) Manufacturer: Kingston Serial Number: 0DCC6845 But that's the good memory... I don't know what the bad memory was. Regards, David. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin