8.0-RELEASE: disk IO temporarily hangs up (ZFS or ATA related problem)

[Alexander Zagrebin]

> I doubt this is the problem, I have WD10EADS disks in my ZFS 
> array and I 
> see the same issue.
> 
> It strikes me as extremely unlikely that both of us would have dud 
> disks..
> 
> In any case it seems to be a general problem not limited to 
> one area of 
> the disk so a dud sector is an unlikely reason.

Big thanks for confirmation!
Your confirmation is important for me.
There should be a way to define where the bug is: in the ata (or filesystem)
driver or in the drive's firmware....

-- 
Alexander Zagrebin