From owner-freebsd-scsi Thu Nov 2 21:20:11 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from aslan.scsiguy.com (aslan.scsiguy.com [63.229.232.106]) by hub.freebsd.org (Postfix) with ESMTP id C65FA37B4C5 for ; Thu, 2 Nov 2000 21:20:06 -0800 (PST) Received: from aslan (localhost [127.0.0.1]) by aslan.scsiguy.com (8.11.0/8.9.3) with ESMTP id eA35Jma93066; Thu, 2 Nov 2000 22:19:48 -0700 (MST) (envelope-from gibbs@aslan.scsiguy.com) Message-Id: <200011030519.eA35Jma93066@aslan.scsiguy.com> To: The Hermit Hacker Cc: Tom Samplonius , freebsd-scsi@FreeBSD.ORG Subject: Re: iostat: tps for SCSI drives ... In-Reply-To: Your message of "Thu, 02 Nov 2000 20:51:14 -0400." Date: Thu, 02 Nov 2000 22:19:48 -0700 From: "Justin T. Gibbs" Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >I imagine this would have to be "on the drive", but can they feed back >information for Cmd6->Cmd7 while its processing Cmd0->Cmd5? Or is it >purely FIFO? That is exactly the point. The drive does not have to handle the transactions in FIFO order unless you specificly tell it to. You can do this on a per-command basis: re-order any way that is convenient, ensure all transactions queued prior to this command complete prior to its execution, or place this transaction at the head of the queue. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message