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    SubjectRe: Serial ATA (SATA) for Linux status report
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    Date
    On Wed, 2003-12-03 at 23:36, Jeff Garzik wrote:
    > Andre Tomt wrote:
    > > On Wed, 2003-12-03 at 21:44, Jeff Garzik wrote:
    > >
    > >>Intel ICH5
    > >>----------
    > >>Summary: No TCQ. Looks like a PATA controller, but with a few added,
    > >>non-standard SATA port controls.
    >
    > > One question - with "including hotplug", does that mean some set hotplug
    > > standard? Reason I'm asking is, we have a few servers from SuperMicro,
    > > with a ICH5R S-ATA controller that claims it's supporting hotplug, but
    > > hotplug is not in your ICH5-summary.
    >
    > Alas, there is no hotplug support in the ICH5 or ICH5-R SATA hardware.
    >
    > One could argue there is "coldplug" support in that hardware -- disable
    > the entire interface, including any active devices, then re-enable and
    > re-scan -- but it's a bit of a hack. If there's enough demand, I could
    > write some code for that. It would involve something like
    >
    > # /sbin/sata off
    > { plug in or remove a device }
    > # /sbin/sata on
    >
    > You really, really, really don't want to actually unplug a SATA drive
    > while it's active, on ICH5 hardware.

    How does it work on other hardware?

    Justin


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