From owner-freebsd-questions Thu Jan 29 10:10:53 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA19408 for questions-outgoing; Thu, 29 Jan 1998 10:10:53 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from extfw.mke.ra.rockwell.com (firewall-user@extfw.mke.ra.rockwell.com [192.94.123.11]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id KAA19304 for ; Thu, 29 Jan 1998 10:10:34 -0800 (PST) (envelope-from chris@lakecom.com) Received: by extfw.mke.ra.rockwell.com; id MAA20573; Thu, 29 Jan 1998 12:10:15 -0600 Received: from node-114-174.mke.ra.rockwell.com(130.151.114.174) by extfw.mke.ra.rockwell.com via smap (3.2) id xma020561; Thu, 29 Jan 98 12:10:08 -0600 Message-ID: <34D0C601.50E1AFCA@lakecom.com> Date: Thu, 29 Jan 1998 12:10:09 -0600 From: Chris Czerwinski Organization: LakeCom Consulting Group, LLC X-Mailer: Mozilla 4.04 [en] (Win95; I) MIME-Version: 1.0 To: freebsd-questions@FreeBSD.ORG Subject: How do I get the most out of my SONY SDT-7000? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe questions" Attempting to get the most data onto my tape drives and my dumps seem to fill up the tape drive way to quickly. The tape capacity should be 8GB but I'm lucky if I get 500MB..... The dump commands I'm using are: dump -0un -f /dev/nrst0 / dump -0un -f /dev/nrst0 /tmp dump -0un -f /dev/nrst0 /var dump -0un -f /dev/nrst0 /usr dump -0un -f /dev/rst0 /u dmesg shows: (ahc0:1:0): "SONY SDT-7000 0195" type 1 removable SCSI 2 st0(ahc0:1:0): Sequential-Access density code 0x13, 512-byte blocks, write-enabled Supposedly I can select these other modes but dump fails with all: 125 [root] # mt stat Present Mode: Density = X3B5/88-185A Blocksize variable ---------available modes--------- Mode 0: Density = 0x00 Blocksize variable Mode 1: Density = X3.136-1986 Blocksize = 512 bytes Mode 2: Density = X3.39-1986 Blocksize variable Mode 3: Density = X3.54-1986 Blocksize variable Thanks, Chris Czerwinski