From owner-freebsd-questions Mon Sep 3 17:17:26 2001 Delivered-To: freebsd-questions@freebsd.org Received: from ns5.eds.com (ns5.eds.com [203.17.185.230]) by hub.freebsd.org (Postfix) with ESMTP id BD53437B405 for ; Mon, 3 Sep 2001 17:17:21 -0700 (PDT) Received: from nnsy.eds.com (nnsy-3.eds.com [192.168.1.1]) by ns5.eds.com (8.11.1/8.11.1) with ESMTP id f840HJV10217 for ; Tue, 4 Sep 2001 10:17:19 +1000 (EST) Received: from nnsy.eds.com (localhost [127.0.0.1]) by nnsy.eds.com (8.11.3/8.11.3) with ESMTP id f840HHJ26427 for ; Tue, 4 Sep 2001 10:17:17 +1000 (EST) Received: from ausym000.exau01.exch.eds.com ([134.251.177.117]) by nnsy.eds.com (8.11.3/8.11.3) with ESMTP id f840HGM26423 for ; Tue, 4 Sep 2001 10:17:16 +1000 (EST) Received: by AUSYM000 with Internet Mail Service (5.5.2653.19) id ; Tue, 4 Sep 2001 10:16:58 +1000 Message-ID: <16649A8D5C73D51183B80008C728EEB7CC09A9@AUSYM103> From: "Pietralla, Siegfried P" To: "'freebsd-questions@freebsd.org'" Subject: RE: can't dd blocksize=446 Date: Tue, 4 Sep 2001 10:17:46 +1000 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG hi again, just after i post this i find chapter 7 of the freebsd handbook!! this seems to resolve my failed attempt to use 'fdisk -B'. however i'd still like to know how i can use dd with a smaller than 512 byte blocksize. regards, siegfried. -----Original Message----- From: Pietralla, Siegfried P Sent: Tuesday, 4 September 2001 09:29 To: 'freebsd-questions@freebsd.org' Subject: can't dd blocksize=446 hi all, i installed 4.3 recently after running 2.2.6 for ages - but now i've got a >8Gb hd :) and i wanted to make use of it. in the past when i've copied my installation to a second hd for backup i've been able to copy the bootloader (?) from one to another with 'dd if=/dev/ad0 of=/dev/ad1 bs=446 count=1' but now dd reports ( i think ) "invalid argument" - it only allows bs=512. is this some sort of clean up of dd to make it work to spec? how do i get the behaviour i'm after? or what is the proper way to just install the normal freebsd type bootloader ( the F1,F2,F3,F4,F5 one). i tried 'fdisk -B' but booting came up with "missing operating system". i guess i could just try dd'ing the 512 bytes and then fdisk to put the pn table back - would that work? however i'd still like to be able to separately backup my bootloader and partition map into different files. any thoughts and directions are welcome. thanx, siegfried. siegfried pietralla ( siegfried.pietralla@eds.com ) ph: +61 3 9675 3234 fax: +61 3 9675 3440 mob: +61 4 0481 6140 location: 15th floor 2-26 Elizabeth Street, Melbourne Vic, 3000 mail: Siegfried Pietralla 15/2, Colonial Account, EDS Australia, 436 St Kilda Rd, Melbourne Vic, 3004 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message