From owner-freebsd-scsi Tue Feb 20 15:47:45 2001 Delivered-To: freebsd-scsi@freebsd.org Received: from misery.sdf.com (misery.sdf.com [204.244.213.49]) by hub.freebsd.org (Postfix) with ESMTP id 0090037B491 for ; Tue, 20 Feb 2001 15:47:42 -0800 (PST) (envelope-from tom@sdf.com) Received: from tom (helo=localhost) by misery.sdf.com with local-esmtp (Exim 2.12 #1) id 14VLmA-0001j4-00; Tue, 20 Feb 2001 15:00:54 -0800 Date: Tue, 20 Feb 2001 15:00:54 -0800 (PST) From: Tom Samplonius To: The Hermit Hacker Cc: freebsd-scsi@freebsd.org Subject: Re: Mylex 170 controller ... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, 20 Feb 2001, Tom Samplonius wrote: > On Tue, 20 Feb 2001, The Hermit Hacker wrote: > > > > > okay, is there another card that ppl consider to be a better performer, > > with the same stability? stability is my primary concern, else going RAID > > would be useless, but it would be nice if I could get speed to go with it > > :) > > Well the new mly patches really put the driver on par now. However, > they haven't been committed yet. > > BTW, the Mylex AccelRAID 170 is the lowest end card Mylex makes. You > probably want to stay away from it if performance is any concern. > > Tom To further clarify, Mylex's published stats say: AccelRAID 170 - 4000 IOPs, 100MB/s sustained AccelRAID 352 - 7000 IOPs, 200MB/s sustained I would imagine that these published numbers are based on upon 100% cache hits, to ensure that they are not hard drive dependant. It seems to be how all the vendors do things. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message