From owner-freebsd-current Mon Feb 19 00:14:31 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA09877 for current-outgoing; Mon, 19 Feb 1996 00:14:31 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA09858 for ; Mon, 19 Feb 1996 00:14:21 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA14517; Mon, 19 Feb 1996 09:14:02 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id JAA13035; Mon, 19 Feb 1996 09:14:02 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id JAA11282; Mon, 19 Feb 1996 09:02:09 +0100 (MET) From: J Wunsch Message-Id: <199602190802.JAA11282@uriah.heep.sax.de> Subject: Re: Exabyte 8mm tape drive performance in -current? To: freebsd-current@FreeBSD.org (FreeBSD-current users) Date: Mon, 19 Feb 1996 09:02:09 +0100 (MET) Cc: bob@luke.pmr.com (Bob Willcox) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199602190247.UAA02537@luke.pmr.com> from "Bob Willcox" at Feb 18, 96 08:47:19 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL24 ME8a] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.org Precedence: bulk As Bob Willcox wrote: > > Make sure you don't use 512 byte fixed size > > blocks with -current ... > > On the -current system I cannot change the blocksize away from 512. > Normally I use variable blocksize and use mt to set it to 0. This > does not work on -current (for either the NCR or Adaptec adapters). I've also noticed some strange behaviour for this on -current. Don't know why this crept in. However, i've been successful to change the blocksize on the control devices (mt -f /dev/st0ctl.0 blocksize 0), does this also fail for you? -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)