From: mcclnx mcc <mcclnx at yahoo.com.tw> > Thank you for answer. The problem is database report "corrupt block", but we > even don't know which disk have that "corrupt block" since we use 15 disks > Array. You can format with '-c' to check for badblocks while formating. Or see 'man badblocks' (watch out) Nothing in /var/log/messages? If your disks are SMART, maybe try 'smartctl' JD