ATA Host Bus Errors

[Kam Leo]

On 4/22/07, Ed Greshko <Ed.Greshko at greshko.com> wrote:
> Dave Brown wrote:
> > I'm not about to list the dozens of posts and URLs which I've looked at
> > in regards to this problem... I probably couldn't even remember them
> > even if I tried. Cables have been checked and re-plugged in but I
> > haven't changed them as the error occurs only on ATA2 and drives sdc and
> > sdd run off different cables. I find it unlikely that the sda and sdb
> > cables are ok but sdc and sdd are bad.
>
> Right, you really have SATA drives and not PATA.
>
> You've checked the cables, and replugged the cables.  But, have you swapped
> the cables between drives?
>
> Troubleshooting 101 says, make incremental changes (writing down what you've
> done) to see if the problem moves.  Once you get the problem to move you
> will find the bad item.
>
> Like I said earlier....
>
> If the problem always happens on ata2.00 then the problem is either port 0
> on that SATA controller, the cable connecting the port to sdc, or the drive
> itself.
>
> The only way to narrow down the failing component is to make a change that
> causes the failure to move.
>

Check the power cables, too!