From owner-freebsd-isp Thu Feb 10 12:50:17 2000 Delivered-To: freebsd-isp@freebsd.org Received: from bsdie.rwsystems.net (bsdie.rwsystems.net [209.197.223.2]) by builder.freebsd.org (Postfix) with ESMTP id 66B5B4501 for ; Thu, 10 Feb 2000 12:49:54 -0800 (PST) Received: from bsdie.rwsystems.net([209.197.223.2]) (1608 bytes) by bsdie.rwsystems.net via sendmail with P:esmtp/R:bind_hosts/T:inet_zone_bind_smtp (sender: ) id for ; Thu, 10 Feb 2000 14:29:59 -0600 (CST) (Smail-3.2.0.106 1999-Mar-31 #1 built 1999-Aug-7) Date: Thu, 10 Feb 2000 14:29:58 -0600 (CST) From: James Wyatt To: wellsian Cc: Jim Weeks , freebsd-isp@FreeBSD.ORG Subject: Re: Tagged Queueing Enabled In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Thu, 10 Feb 2000, wellsian wrote: > It's good. It's a SCSI thing. Basically, with drivers that support it, the > drives are able to grab things more efficiently. > > Given these requests for data all over a drive: > > Inside track > Outside track > Inside track > Outside track > etc. > > The drive will gather the data in other than command sequence. e.g. Inside > Inside Outside Outside. I'm simplifying. > > The derived benefit should be highly driver dependent, meaning not all > cards will take advantage of the feature equally. You might want to check > the scsi list archives. Not all drives will take advantage of the feature equally, either... 8{( It's a good short answer, though! - Jy@ > On Thu, 10 Feb 2000, Jim Weeks wrote: > > I got this kernel message this morning and am drawing a blank. The mail > > archives are down, so I couldn't research it. > > > > Tagged Queueing Enabled > > > > > > What is this? > > > > Your patience is appreciated. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message