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SubjectRe: [smartmontools-support] inactive SATA drives won't stay in standby or sleep, PATA models did. (fwd)
Tejun Heo writes:
> Mikael Pettersson wrote:
> > - smartctl -n standby waking Linda's disks from standby is probably
> > a disk firmware issue or a smartctl issue. I see no evidence that
> > sata_promise is to blame for that.
>
> /me agrees. I think it's most likely a problem in the firmware.
>
> > - 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. 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.


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