From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Serial ATA (SATA) for Linux status report Date: Thu, 04 Dec 2003 09:54:03 -0500 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <3FCF4A8B.6030701@pobox.com> References: <20031203204445.GA26987@gtf.org> <1070494030.15415.111.camel@slurv.pasop.tomt.net> <3FCE737C.1080105@pobox.com> <1070545088.11956.43.camel@lotte.street-vision.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1070545088.11956.43.camel@lotte.street-vision.com> To: Justin Cormack Cc: Andre Tomt , Kernel mailing list , linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org List-Id: linux-ide@vger.kernel.org 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