From owner-freebsd-stable Fri Sep 4 11:45:36 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA09174 for freebsd-stable-outgoing; Fri, 4 Sep 1998 11:45:36 -0700 (PDT) (envelope-from owner-freebsd-stable@FreeBSD.ORG) Received: from freebie.dcfinc.com (freebie.dcfinc.com [138.113.5.128]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA09162 for ; Fri, 4 Sep 1998 11:45:32 -0700 (PDT) (envelope-from chad@freebie.dcfinc.com) Received: (from chad@localhost) by freebie.dcfinc.com (8.8.7/8.8.3a) id LAA15768; Fri, 4 Sep 1998 11:44:22 -0700 (MST) From: "Chad R. Larson" Message-Id: <199809041844.LAA15768@freebie.dcfinc.com> Subject: Re: 8mm tape block size max - changed? To: dkelly@hiwaay.net (David Kelly) Date: Fri, 4 Sep 1998 11:44:21 -0700 (MST) Cc: fty@cisco.com, freebsd-stable@FreeBSD.ORG In-Reply-To: <199809040257.VAA17656@nospam.hiwaay.net> from David Kelly at "Sep 3, 98 09:57:35 pm" Reply-to: chad@dcfinc.com X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Frank Terhaar-Yonkers writes: > > I recently upgraded from 2.0.x where I routinely used a block size of > > 128b with tar and dump. Using 2.1.7 I get: st0: 64512-byte record too big > > when I try to read the old tapes. > > > > Now I have all these old tapes I can't read. Am I missing something? > > So you used "tar -cvb 128 files" to write a tar tape? > > Would suggest you try using tcopy to determine what blocksize is being > used but I just tried it myself and it didn't work right at all. > Multiple tape blocks were read to serve one read(). If this is > happening to you then that may be the key to the puzzle: Or, dd if=/dev/tape of=/tmp/junk bs=64k count=1 ls -l /tmp/junk should tell you the size of the tape blocks. -crl -- Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm? chad@dcfinc.com chad@larsons.org chad@anasazi.com larson1@home.net DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message