From owner-freebsd-stable  Fri Jun  4 13:14:46 1999
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Reply-To: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>
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To: Kiril Mitev <kiril@ideaglobal.com>
Cc: freebsd-stable@FreeBSD.ORG
Subject: Re: vinum disk has gone AWOL, help! 
In-reply-to: Your message of "Fri, 04 Jun 1999 20:20:53 BST."
             <199906041920.UAA17798@ideaglobal.com> 
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Date: Fri, 04 Jun 1999 13:13:41 -0700
From: Cy Schubert <cschuber@uumail.gov.bc.ca>
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Try fsck -b 32 <filesystem>.

If that fails, try fsck -b <another number> <filesystem>.  To get 
the other block numbers for alternate superblocks, use newfs -N, 
which will go through all of the motions of creating a filesystem, 
e.g. print the superblock numbers, without actually creating a 
filesystem.  If this fails, you're pretty much hosed.


Regards,                       Phone:  (250)387-8437
Cy Schubert                      Fax:  (250)387-5766
Open Systems Group          Internet:  Cy.Schubert@uumail.gov.bc.ca
ITSD                                   Cy.Schubert@gems8.gov.bc.ca
Province of BC            
                      "e**(i*pi)+1=0"

In message <199906041920.UAA17798@ideaglobal.com>, Kiril Mitev 
writes:
> (Sorry if this is more appropriate for -questions...)
> 
> 
> after my last reboot, which was NOT a panic or anything like that
> my vinum volume sort of disappeared...
> 
> vinum itself is still happy, and a listing shows all my 
> bits & pieces, up to the volume level as OK.
> 
> however, mount/fsck attempts come up with
> errors like this:
> 
> # fsck /dev/vinum/rmassive
> ** /dev/vinum/rmassive
> BAD SUPER BLOCK: MAGIC NUMBER WRONG
> /dev/vinum/rmassive: NOT LABELED AS A BSD FILE SYSTEM (unused)
> 
> _I_ havent touched anything, so it seems like something really
> bad has happened. 
> 
> Can anyone suggest a way/hack to recover the damn disk? Its
> a desperete situation :-(), so even desperate suggestion
> will be appreciated. (i.e., is it possible to hack a 'label'
> or an 'id' or something back into the disk. 
> 
> when a dd from the raw device, i do see something that looks 
> like the root directory of the disk, so its not
> as if everything was lost
> 
> 
> -uname- (If it makes any difference)
> 
> FreeBSD loki 3.2-RELEASE FreeBSD 3.2-RELEASE #0: Tue Jun  1 18:59:38 GMT 1999
> root@loki:/usr/src/sys/compile/LOKI  i386
> 
> 
> TIA
> 
> Kiril
> 
> 
> 
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