Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 2 Jan 2002 20:52:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 2 Jan 2002 20:51:54 -0500 Received: from coffee.psychology.McMaster.CA ([130.113.218.59]:59024 "EHLO coffee.psychology.mcmaster.ca") by vger.kernel.org with ESMTP id ; Wed, 2 Jan 2002 20:51:46 -0500 Date: Wed, 2 Jan 2002 20:52:31 -0500 (EST) From: Mark Hahn X-X-Sender: To: Subject: Re: Two hdds on one channel - why so slow? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2 Jan 2002, Ricky Beam wrote: ... > IDE is just fine for toys. It's a serious pain in the ass for any serious > work. my goodness; it's been so long since l-k saw this traditional sport! nothing much has changed in the intrim: SCSI still costs 2-3x as much, and still offers the same, ever-more-niche set of advantages (decent hotswap, somewhat higher reliability, moderately higher performance, easier expansion to more disks and/or other devices.) > It takes expensive hardware RAID cards to make IDE tolerable. (and > I'm not talking about the 30$ PoS HPT crap.) besides having missed the last 2-3 generations of ATA (which include things like diskconnect), you have clearly not noticed that entry-level hardware with PoS UDMA100 controllers can sustain more bandwidth than you can hope to consume (120 MB/s is pretty easy, even on 32x33 PCI!) > PS: I once turned down a 360MHz Ultra10 in favor of a 167MHz Ultra1 because > of the absolutely shitty IDE performance. The U1 was actually faster > at compiling software. (Solaris 2.6, btw) yeah, if Sun can't make IDE scream, then no one can eh? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/