From owner-freebsd-arch Tue Dec 21 0:24:22 1999 Delivered-To: freebsd-arch@freebsd.org Received: from ns1.yes.no (ns1.yes.no [195.204.136.10]) by hub.freebsd.org (Postfix) with ESMTP id 4864B14EC5 for ; Tue, 21 Dec 1999 00:24:19 -0800 (PST) (envelope-from eivind@bitbox.follo.net) Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218]) by ns1.yes.no (8.9.3/8.9.3) with ESMTP id JAA07771 for ; Tue, 21 Dec 1999 09:24:17 +0100 (CET) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id JAA24521 for freebsd-arch@freebsd.org; Tue, 21 Dec 1999 09:24:17 +0100 (MET) Received: from isbalham.ist.co.uk (isbalham.ist.co.uk [192.31.26.1]) by hub.freebsd.org (Postfix) with ESMTP id 59EDE1554A for ; Tue, 21 Dec 1999 00:22:29 -0800 (PST) (envelope-from rb@gid.co.uk) Received: from gid.co.uk (uucp@localhost) by isbalham.ist.co.uk (8.9.2/8.8.7) with UUCP id IAA72968; Tue, 21 Dec 1999 08:20:29 GMT (envelope-from rb@gid.co.uk) Received: from [194.32.164.2] by seagoon.gid.co.uk; Tue, 21 Dec 1999 08:18:42 GMT X-Sender: rb@194.32.164.1 Message-Id: In-Reply-To: References: <199912210729.XAA45172@gndrsh.dnsmgr.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 21 Dec 1999 08:18:40 +0000 To: mjacob@feral.com From: Bob Bishop Subject: Re: filemarks? Cc: "Rodney W. Grimes" , freebsd-arch@freebsd.org, Stephen McKay , Greg Lehey , Thomas David Rivers , Joerg Wunsch , Hauke Fath Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 11:51 pm -0800 20/12/99, Matthew Jacob wrote: >[...] Rodney >has responded with the mail below. This is all archived in mailling >lists... ] > > >> The API has a perfectly acceptable and working mechanism to deal with >> this. >> [Rod's proposal] >> >> Whats wrong with this model? > >The user application cannot distinguish EARLY WARNING from hard EOT directly. >You can put more data on tape after EARLY WARNING and before hard EOT. I'm not sure you can, in general [because not all drives will give you sufficient warning]. The best you can guarantee is that closing the device at this point will leave the tape in a state where a subsequent reader won't get confused. -- Bob Bishop (0118) 977 4017 international code +44 118 rb@gid.co.uk fax (0118) 989 4254 between 0800 and 1800 UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message