[linux-lvm] How to upgrade old LVM version.

Heinz J . Mauelshagen mauelshagen at sistina.com
Mon Sep 9 06:24:54 UTC 2002

On Fri, Sep 06, 2002 at 08:47:02PM +0100, Dick Middleton wrote:
> Hi,
>     I'm currently running LVM 0.9.1_beta6 on Debian 2.2 with kernel 
> 2.2.19 and have been trying
> for some time to upgrade to something more recent.
> Whenever I try this I find that vgscan from any newer version of LVM 
> hangs (without
> error messages) - I'm forced to reboot.  The only evidence I can find is 
> if I run pvscan.  
> This reports "different structure size".

vgscan coming with a newer LVM version should scan your disks fine.
Tha fact that it hangs could refer to an empty CDROM or the like scanned
and a large timeout involved.

Running "vgscan -d" should find the relevant 'candidate'.
If so, temporarily inserting a valid CD or removing the /dev/ entry
could help it.

> I currently have all my filesystem including root running on LVM on top 
> of software RAID so
> it's a fairly delicate business mucking about with this.  I'm looking 
> for  a way to fix the problem
> other than decanting everything to tape and starting from scratch again.
> I do have a separate bootable disc with 2.4 kernel and LVM 1.0 which I 
> can use as a stepping
> stone but so far this too hangs as soon as vgscan is run.
> Any advice would be appreciated.
> Dick
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html


Heinz    -- The LVM Guy --

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


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

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