Re: Serial ATA (SATA) for Linux status report

[Jeff Garzik <jgarzik@pobox.com>]

Justin Cormack wrote:
> 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?


Just yank the cord :)

	Jeff