From: Jeff Garzik <jgarzik@pobox.com>
To: Mark Lord <lsml@rtr.ca>
Cc: linux-scsi@vger.kernel.org,
James Bottomley <James.Bottomley@steeleye.com>
Subject: Re: [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2
Date: Tue, 14 Sep 2004 12:21:24 -0400 [thread overview]
Message-ID: <41471A84.4090200@pobox.com> (raw)
In-Reply-To: <414711AC.5030200@rtr.ca>
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
next prev parent reply other threads:[~2004-09-14 16:21 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-14 15:43 [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2 Mark Lord
2004-09-14 16:21 ` Jeff Garzik [this message]
2004-09-14 16:23 ` Jeff Garzik
2004-09-14 16:39 ` Nathan Bryant
2004-09-14 17:02 ` Jeff Garzik
2004-09-15 4:22 ` Douglas Gilbert
2004-09-15 4:30 ` Jeff Garzik
2004-09-15 12:47 ` Mark Lord
2004-09-15 12:55 ` Jens Axboe
2004-09-15 13:13 ` Matthew Wilcox
2004-09-15 16:14 ` Jeff Garzik
2004-09-15 7:02 ` Christoph Hellwig
[not found] <41471163.10709@rtr.ca>
2004-09-14 17:00 ` Jeff Garzik
2004-09-14 17:27 ` Mark Lord
2004-09-14 17:33 ` Jeff Garzik
2004-09-14 17:51 ` Mark Lord
2004-09-14 17:56 ` Jeff Garzik
2004-09-14 18:03 ` Mark Lord
2004-09-14 18:07 ` Jeff Garzik
2004-09-14 18:08 ` Jeff Garzik
2004-09-14 18:25 ` James Bottomley
2004-09-14 18:35 ` Jeff Garzik
2004-09-14 18:51 ` James Bottomley
2004-09-15 2:39 ` Mark Lord
2004-09-15 2:47 ` Jeff Garzik
2004-09-15 12:35 ` Mark Lord
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