From owner-freebsd-isp Thu Jan 29 02:36:00 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id CAA13748 for freebsd-isp-outgoing; Thu, 29 Jan 1998 02:36:00 -0800 (PST) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from caladan.tdx.co.uk (caladan.tdx.co.uk [195.188.177.4]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id CAA13734 for ; Thu, 29 Jan 1998 02:35:58 -0800 (PST) (envelope-from kpielorz@tdx.co.uk) Received: from tdx.co.uk (lorca-tx.tdx.co.uk [195.188.177.242]) by caladan.tdx.co.uk (8.8.7/8.8.7) with ESMTP id KAA04278 for ; Thu, 29 Jan 1998 10:35:56 GMT (envelope-from kpielorz@tdx.co.uk) Message-ID: <34D05B8D.28D3E87F@tdx.co.uk> Date: Thu, 29 Jan 1998 10:35:57 +0000 From: Karl Pielorz Organization: TDX X-Mailer: Mozilla 4.04 [en] (WinNT; I) MIME-Version: 1.0 To: isp@FreeBSD.ORG Subject: Backups / Dump Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe freebsd-isp" If I do a tape dump, but instead write it to disk, e.g. dump 0auf - / >mydump.dmp (Which dumps the root file system to a file called 'mydump.dmp') - and then later either cp, dd or cat this to tape - why does a: restore t /dev/rst0 Give: tape read error: Invalid argument And: /kernel: st0(ncr0:6:0): ILLEGAL REQUEST asc:20,0 Invalid command operation code sks:c0,0 In the syslog? Normal dumps to tapes work fine... The exact error reported by the drive is 'block too big'. I've tried reblocking the dump with something like: dd if=mydump.dmp of=/dev/rst0 bs=512 But all to no avail... Anyone got any suggestions? Regards, Karl