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[Fwd: Re: [linux-lvm] Incorrect metadata area header checksum]



Hi Alasdair,

I'm sorry to mail directly to you,  but I tried three times without
success to post the below listed mail to linux-lvm redhat com , it
doesn't arrive their ;={{  Perhaps you can check the reason, post my
mail to our thread in the list, and last but not least, do you have an
answer to my problem?

     Thank you very much, have a nice day

           Ecki 


-------- Weitergeleitete Nachricht --------
> Von: Eckhard Kosin <Eckhard Kosin online de>
> An: linux-lvm redhat com
> Betreff: Re: [linux-lvm] Incorrect metadata area header checksum
> Datum: Tue, 05 Feb 2008 12:52:16 +0100
> 
> Am Montag, den 04.02.2008, 10:36 +0000 schrieb Alasdair G Kergon:
> > On Sun, Feb 03, 2008 at 07:06:48PM -0800, David Brown wrote:
> > > You'll probably find that there is a lvm2 label there.  I'm not sure of a
> > > safe way of elminiating it.
> Okay, there is a LVM label on hda7:
> 
> ecki uhu:~$ sudo dd if=/dev/hda7 bs=1k count=1 | hexdump -e '"%_p"'
> 1+0 records in
> 1+0 records out
> 1024 bytes (1,0 kB) copied, 6,4e-05 Sekunden, 16 MB/s
> .*
> LABELONE..*
> ..$. .*
> LVM2 0*
> 1EWhly9hF5TcIV1KyHfXVUQDBe7S1uf14.P.=..*
> ..*
> ..*
> ...*
> 
> >  
> > man pvremove
> I tried
> 
> root uhu:/home/ecki# umount -l /dev/hda7
> root uhu:/home/ecki# pvremove /dev/hda7
>   /dev/hda7: Couldn't find device.  Check your filters?
> 
> I changed my filter rule in /etc/lvm/lvm.conf from
> 
> filter = [ "r|/dev/cdrom|", "r|^/dev/hda[1,6,7]$|" ]
> 
> to
> 
> filter = [ "r|/dev/cdrom|", "r|^/dev/hda[1,6]$|" ]
> 
> but again no success:
> 
> root uhu:/home/ecki# pvremove /dev/hda7
>   Incorrect metadata area header checksum
>   Incorrect metadata area header checksum
>   Incorrect metadata area header checksum
>   Incorrect metadata area header checksum
>   Can't open /dev/hda7 exclusively.  Mounted filesystem?
>   Device '/dev/hda8' has been left open.
>   Device '/dev/hda9' has been left open.
>   Device '/dev/hda10' has been left open.
>   Device '/dev/hda10' has been left open.
>   Device '/dev/hda10' has been left open.
>   Device '/dev/hda8' has been left open.
>   Device '/dev/hda9' has been left open.
>   Device '/dev/hda8' has been left open.
>   Device '/dev/hda9' has been left open.
>   Device '/dev/evms/hda7' has been left open.
> root uhu:/home/ecki# mount |grep hda
> root uhu:/home/ecki#
> 
> You see, /dev/hda7 isn't mounted:-(  The problem is "/dev/evms/hda7"?
> How to resolve it?  I append the output of "pvremove -vvvv /dev/hda7".
> Any suggestions?
> 
> 
> > 
> > And you really should upgrade lvm2 - that's a 2-year old version with numerous
> > known bugs in it.
> The version I use is the version supplied by my Ubuntu distribution 6.06
> (which is still supported).  I don't like to mix different versions as
> long as I'm not forced by a bug to do so.
> 
>     Thanks for your help
> 
>          Ecki
> 
> > 
> > Alasdair
-- 
  Eckhard Kosin
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D-81245 M√ľnchen, Germany
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