> Dec 3 21:30:42 pentium kernel: ata3.00: status: { DRDY ERR } > Dec 3 21:30:42 pentium kernel: ata3.00: error: { IDNF } The drive firmware is reporting an unreadable block (or invalid block number) > I wonder what might cause these errors? I switched the controller into non-RAID mode and read SMART - both drives > are 100% OK (no pending or reallocated sectors, no errors logged). I would keep the controller in that mode anyway to be honest - the RAID mode firmware is a bit variable and some versions blow up for reasons I've never figured. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html