From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2 Date: Tue, 14 Sep 2004 12:21:24 -0400 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <41471A84.4090200@pobox.com> References: <414711AC.5030200@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:40930 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S269598AbUINQVh (ORCPT ); Tue, 14 Sep 2004 12:21:37 -0400 In-Reply-To: <414711AC.5030200@rtr.ca> List-Id: linux-scsi@vger.kernel.org To: Mark Lord Cc: linux-scsi@vger.kernel.org, James Bottomley Mark Lord wrote: > My first attempt at posting this seems to have gone AWOL, > so here it comes again. Also being posted to linux-scsi. > > Here is the first public release of the 2.6.xx driver > source code for the Pacific Digital Corporation QStor SATA/RAID chip. > > This 4-channel chip has hardware-assisted RAID0/RAID1/RAID10, > host-queuing, per-request TCQ/NCQ support, support for hot insertion > and removal of drives, etc.. The 64-bit/66Mhz chip shows throughput > in excess of 200MByte/sec on my ancient P3-1GHz test system, > and can do much better when installed in a PCI-X slot. How much of the RAID is actually hardware-assisted? > The driver (attached) supports most of the chip features, > including host, native and legacy tagged queuing, > but does not yet include boot-from-raid support (coming soon). > > Both hdparm and smartmontools are fully supported by this driver. Linus vetoed future SCSI->ATA translators. He only allowed libata because I promised to remove the translation and make it a native block driver in the future, which I have been working towards. Jeff