From owner-freebsd-questions Thu Apr 4 14:42: 3 2002 Delivered-To: freebsd-questions@freebsd.org Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by hub.freebsd.org (Postfix) with ESMTP id 9085537B419 for ; Thu, 4 Apr 2002 14:42:00 -0800 (PST) Received: from dan.emsphone.com (smmsp@localhost [127.0.0.1]) by dan.emsphone.com (8.12.2/8.12.2) with ESMTP id g34MfumG013683; Thu, 4 Apr 2002 16:41:57 -0600 (CST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.2/8.12.2/Submit) id g34MfuBf013682; Thu, 4 Apr 2002 16:41:56 -0600 (CST) Date: Thu, 4 Apr 2002 16:41:56 -0600 From: Dan Nelson To: Kenneth Culver Cc: Jud , george@galis.org, Kevin_Stevens@pursued-with.net, nl3481@wi.rr.com, questions@FreeBSD.ORG Subject: Re: EIDE drive performance improvements Message-ID: <20020404224156.GA75339@dan.emsphone.com> References: <20020404215214.32543.qmail@operamail.com> <20020404172053.J66418-100000@alpha.yumyumyum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020404172053.J66418-100000@alpha.yumyumyum.org> User-Agent: Mutt/1.3.28i X-OS: FreeBSD 5.0-CURRENT X-message-flag: Outlook Error Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In the last episode (Apr 04), Kenneth Culver said: > > I had been using the tags option, but stopped because: > > (1) My FreeBSD installation is now on a RAID array, and it seems > > that although each of the 2 identical IBM ATA-100 drives in the > > array is "tag-capable," the array is not; and > > That seems logical.... I wouldn't think you could tag an array. You should be able to, depending on how the controller presents itself to the system. The asr driver looks like a scsi disk to the system, and can accept 255 tagged commands. I haven't seen my array go above 60, but it does work. -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message