From owner-aic7xxx Mon Aug 24 12:00:36 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA17795 for aic7xxx-outgoing; Mon, 24 Aug 1998 12:00:36 -0700 (PDT) (envelope-from owner-aic7xxx@FreeBSD.ORG) Received: from dledford.dialnet.net (dledford.dialnet.net [206.65.249.116]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA17790 for ; Mon, 24 Aug 1998 12:00:32 -0700 (PDT) (envelope-from dledford@dialnet.net) Received: from dialnet.net (localhost [127.0.0.1]) by dledford.dialnet.net (8.8.5/8.8.4) with ESMTP id NAA20634; Mon, 24 Aug 1998 13:59:14 -0500 Message-ID: <35E1B802.64314C9E@dialnet.net> Date: Mon, 24 Aug 1998 13:59:14 -0500 From: Doug Ledford X-Mailer: Mozilla 4.05 [en] (X11; I; Linux 2.1.115 i686) MIME-Version: 1.0 To: Heinz Mauelshagen CC: aic7xxx@FreeBSD.ORG Subject: Re: Tag Queue Depth List? References: <9808241120.AA15796@mailgate99.telekom.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-aic7xxx@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Heinz Mauelshagen wrote: > > Is any list available containing SCSI drive / tage queu depth pairs? Quantum Fireball Tempest - no more than 13 to be safe " " Stratus - hard limit of 8 in firmware Other Quantum drives - tend to do OK at around 24 Seagate drives - I recommend from 24 to 32 Micropolis drives - I don't recommend TQ operation Iomega Jaz drives - some models silently corrupt with TQ Fujitsu drives - seem to be fine with 24 to 32, but I've only got personal exp. with the M2934S Others - ? No personal exp. -- Doug Ledford Opinions expressed are my own, but they should be everybody's. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-aic7xxx" in the body of the message