From owner-freebsd-hackers Mon Feb 17 05:09:10 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id FAA13977 for hackers-outgoing; Mon, 17 Feb 1997 05:09:10 -0800 (PST) Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id FAA13736 for ; Mon, 17 Feb 1997 05:05:19 -0800 (PST) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id NAA02971; Mon, 17 Feb 1997 13:14:09 +0100 From: Luigi Rizzo Message-Id: <199702171214.NAA02971@labinfo.iet.unipi.it> Subject: Re: File system/disk recovery tools ? To: msmith@atrad.adelaide.edu.au (Michael Smith) Date: Mon, 17 Feb 1997 13:14:08 +0100 (MET) Cc: hackers@FreeBSD.ORG In-Reply-To: <199702171210.WAA11151@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Feb 17, 97 10:40:29 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk [about fs recovery] > dd the whole disk off onto a file and mount it on a vnode? You might unfortunately is 1.6GB ... I need to find a bigger unit! > have to reconstruct the label and such, and using fsck's '-b' option actually an annoying thing with fsck -b is that I never know what to use as an alternate superblock number. 32, says the manpage, is an alternate superblock, but what are others ? I guess they depend upon the geometry of the disk... is there a "magic" number that I can look for ? Thanks Luigi -----------------------------+-------------------------------------- Luigi Rizzo | Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it | Universita' di Pisa tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ _____________________________|______________________________________