Re: disk testing

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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
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