On Tuesday September 14, hfranklin97@xxxxxxxxxx wrote: > > I just bought 3 sata drives and set them up in a raid5 array. About > 45% into syncing them, the first disk gets an error and goes > offline. I figure I did something wrong, so I retrace my steps and > try again, and again, I get an error about 45% of the way through, > the first disk errors and goes offline. > Presumably a read-error. Did the kernel logs indicate the error type? > So, I think I have a bad disk. But wait! I created a raid 1 array on > the remaining two to see if there are any other errors later on > those two (there weren't), and I create a normal partition/fs on the > failing disk. I begin writing various bitpatterns across the entire > disk and reading them back, trying to find the problem. So far, I've > done about 5 passes over the entire disk without error! Maybe when you wrote it caused the drive to fix up the bad sector. Try building the raid5 again? NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html