mcclnx mcc wrote: > > 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. Most RAID arrays have the ability to "scrub" the disks, to do low level scans on both the disks and the array as a whole, look to the management tools of your RAID controller(s). nate