From owner-freebsd-questions Thu Jul 19 17:52: 2 2001 Delivered-To: freebsd-questions@freebsd.org Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by hub.freebsd.org (Postfix) with SMTP id B121B37B405 for ; Thu, 19 Jul 2001 17:51:59 -0700 (PDT) (envelope-from iedowse@maths.tcd.ie) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 20 Jul 2001 01:51:58 +0100 (BST) To: David Wen Cc: freebsd-questions@FreeBSD.ORG Subject: Re: FSCK PROBLEM In-Reply-To: Your message of "Thu, 19 Jul 2001 17:23:50 CDT." Date: Fri, 20 Jul 2001 01:51:56 +0100 From: Ian Dowse Message-ID: <200107200151.aa52814@salmon.maths.tcd.ie> 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 In message , David Wen writes: >One of my disk was dropped, I used fsck then was able to mounted it = >back. But when machine was rebooted, it was not mounted. I found out = >that no matter how many times I do the fsck, there is still a problem. = >BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST = >ALTERNATE My guess would be that the last superblock on the disk got corrupted; the "FIRST ALTERNATE" that fsck mentions is in fact the superblock copy nearest the end of the partition. You might be able to fix this with tunefs using the "-A" option, which updates all superblocks. Try running tunefs -A /dev/da2s1e and then retry the fsck. Ian To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message