Date: Thu, 02 Nov 2000 22:19:48 -0700 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: The Hermit Hacker <scrappy@hub.org> Cc: Tom Samplonius <tom@sdf.com>, freebsd-scsi@FreeBSD.ORG Subject: Re: iostat: tps for SCSI drives ... Message-ID: <200011030519.eA35Jma93066@aslan.scsiguy.com> In-Reply-To: Your message of "Thu, 02 Nov 2000 20:51:14 -0400." <Pine.BSF.4.21.0011022049320.494-100000@thelab.hub.org>
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>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
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