I don't know how to explain the causes, but a reset on the drive
worked for me.. :)

On 11/30/05, Gerald <gwichman AT gmail DOT com> wrote:
> Bingo!
>
> I thought i'd checked all the ends but when I went to remove the short
> cable daisy-chaining the one good drive to the one bad drive, I found
> a bent pin on the end of the cable I had not previously checked. I was
> removing it because the first device was working in the chain and the
> second was not. Perhaps the cable itself was bad I thought. Turns out
> it was just a bent pin..
>
> Gerald
>
> On 11/29/05, Bob Booth - UIUC <booth AT uiuc DOT edu> wrote:
> > On Tue, Nov 29, 2005 at 05:27:10PM -0800, Gerald wrote:
> > > I have a drive that from AIX lists as available. In TSM when i try to
> > >
> > > define a path to the drive I get an "ANR8420E DEFINE PATH: An I/O
> > >
> > > error occured while accessing drive DRIVE1." and a "ANS8001I Return
> > >
> > > code 15.". Then below is what appears in the AIX error report.
> >
> > Has this drive ever worked?  If it has been de-cabled, or the lead drive
> > has been removed, check the cables again.  Make very sure that NONE of the
> > pins are crossed over.  If any of the ground lines are crossed, or not
> > making contact, the drive may register (become available), but you won't be
> > able to do anything with it.  Check the terminators as well, and any place
> > where the cable may have been disconnected.  Those cables are very easy to
> > bend pins on!
> >
> > If it was functioning and quit, and has not been disconnected, you may have
> > a problem in the interface card pack on the drive.  Also make sure that
> > the interface you are connected to on the drive says it is online on the
> > front panel.  You can also rmdev the drive and do a mkdev on it to see if
> > it comes back.
> >
> > If all else fails, have your CE run a SCSI wrap test after running card
> > diags on the drive.
> >
> > just some thoughts.
> >
> > bob
> >
>
>
> --
> -Gerald
>


--
Helder Garcia