Re: [smartmontools-support] inactive SATA drives won't stay in standbyor sleep, PATA models did. (fwd)

From: Tejun Heo
Date: Mon Oct 13 2008 - 03:10:10 EST


Mikael Pettersson wrote:
> Tejun Heo writes:
> > > - hardreset in sata_promise seems broken. I'll take a closer look
> > > at that in about a week's time (I'll be busy with other work the
> > > next couple of days).
> >
> > This looks like a rather serious problem, so please take a look at
> > this. Also, after the drive went down, does unplugging and replugging
> > the signal cable fix the problem, if not does doing the same thing
> > with the power cable make any difference?
>
> I couldn't bring the port back up with any combination of signal/power
> cable hotplugging.

Heh.. that rules out drive firmware stuck in wonderland.

> Even rmmod sata_promise; modprobe sata_promise failed to bring the
> port back up. Hence my suspicion that hardreset is borked or doesn't
> kick in.

It looks like the controller requires harder or more proper kick in
the ass to return to sane state. :-)

--
tejun
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