Re: IBM Desktar disk problem?

[Jens Axboe]

On Fri, Jul 05 2002, Anton Altaparmakov wrote:
> At 11:40 05/07/02, Jens Axboe wrote:
> >On Fri, Jul 05 2002, [e-mail] wrote:
> >>
> >> HI,
> >> I was trying kernel 2.5 with TCQ enabled.
> >> I tried it on three Desktar disk (manufactured in Thailand
> >> in february 2001) model dtla 305020.
> >>
> >> All three disk died after some week, without
> >> any signal of being dying.
> >> I was starting to suspect about an HW problem.
> >>
> >> With 2.4 kernels, no tcq, they could work
> >> without any problem for almost 8 months, but now,
> >> I moved those disk to test systems to test tcq support
> >> and all died badly. This is not an heat problem, since
> >> thay staty in a CED conditioned at 18C.
> >
> >This is a puzzling report. I wouldn't recommend that anyone use tcq in
> >2.5 actually, since even I do not know what state it is currently in. I
> >would seriously recommend 2.4 + tcq patches instead.
> >
> >That said, are your disks completely dead now? As in they do not work
> >with a regular 2.4 kernel anymore?!
> 
> It is puzzling indeed, especially since I am running with TCQ enabled ever 
> since you introduced it and my disk is still alive an kicking. It being a 
> Deathstar, too.

Good to know, I'm glad it works for you :-)

> On of my Deathstars actually broke (before TCQ came about though!) but 
> after upgrading the firmware on it and powercycling it fixed itself and has 
> been working just fine ever since.
> 
> Perhaps something worth trying on those broken disks, too?

Might be a good idea, I did the same thing on my DTLA as well.

-- 
Jens Axboe