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Date:      Fri, 28 Jan 2000 17:16:18 +0100
From:      Andreas Braukmann <braukmann@tse-online.de>
To:        current@freebsd.org
Subject:   very silent, but heavy filesystem-crash
Message-ID:  <20000128171618.C1305@cage.tse-online.de>

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Hi there,

 I reported a former heavy filesystem crash recently; have a look
 at:
 http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=846852+849687+/usr/local/www/db/text/2000/freebsd-current/20000123.freebsd-current

 I got it again. 
 Meanwhile my system got updated to 
 FreeBSD abc.xyz.de 4.0-CURRENT FreeBSD 4.0-CURRENT #0: Sat Jan 22 11:17:16 CET 2000

 The system is complete soft-updates free.

 This time I had no jailed processes running; the machine was idle
 most of the time during the last few days and was rebooted (cleanly),
 yesterday.

 The (now totally hosed) file-system was mounted thru the following
 fstab-entry:

    /dev/da1s1g  /scratch  ufs  rw  2 2

 Today I incidentally noticed that the directory /scratch was 
 empty all of the sudden. 
 I should have found various sub-directories, especially since
 I built the world on this disk a few days ago.

 Nonetheless 'df' showed the filesystem as 45% filled. 

 I was able to unmount and mount the filesystem without(!!) an error.
 There were definately no related messages in the logs or on the
 console.


 Starting an 'fsck' results in:

    cage:[/] # fsck /scratch
    ** /dev/da1s1g
    ** Last Mounted on /scratch
    ** Phase 1 - Check Blocks and Sizes
    PARTIALLY TRUNCATED INODE I=16
    SALVAGE? [yn] ^C
    ***** FILE SYSTEM MARKED DIRTY *****

I interrupted the fsck-run as soon as I decided that it might be
advisable to leave it in its hosed state just for the case that
there is some illuminated filesystem-hacker who would like to
take a peek. (I would allow ssh-access to the box ...)


Bye,
    Andreas

-- 
    Andreas Braukmann - private site -


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