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Re: [linux-lvm] vgchange -ay failed with "Bad address"



Axel,

some snapshot metadata got corrupted.
Do you see any messages in syslog spotting some light on what happened ?

To get your VG back, you need to drop existing snapshots via "vgscan -r".

Regards,
Heinz    -- The LVM Guy --

On Mon, Feb 10, 2003 at 02:57:31PM +0100, Axel Reinhold wrote:
> Hi,
> 
> when I start up my home-server today I was shocked.
> LVM didn't change my volgroup to available. The server
> was shut down yesterday with a normal shutdown properly.
> 
> [root bongo root]# vgck vg01
> vgck -- VGDA of "vg01" in lvmtab is consistent
> vgck -- VGDA of "vg01" on physical volume is consistent
> 
> vgchange tells me:
> 
> [root bongo root]# vgchange -ay vg01
> vgchange -- ERROR "Bad address" activating volume group "vg01"
> 
> the kernel says (dmesg):
> lvm -- _pv_get_number failed for rdev = 65535
> lvm -- lvm_snapshot_fill_COW_page failed<3>
> 
> I tried vgscan -> Ok.
> 
> I'm totally lost. It's my home-server.
> I used snapshots (intensively) without problems for a couple of weeks.
> 
> Would you please help me to recover the data.
> There is no hardware problem - I'm sure - The data is still there.
> 
> Used versions:
> Linux 2.4.20
> LVM version 1.0.5+(22/07/2002) module loaded
> Logical Volume Manager 1.0.6
> Heinz Mauelshagen, Sistina Software  25/10/2002 (IOP 10)
> 
> Axel Reinhold
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen Sistina com                           +49 2626 141200
                                                       FAX 924446
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