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Re: [linux-lvm] LVM1 - "VGDA in kernel and lvmtab are NOT consistent"error following lvm operations



Hi Heinz,

Thanks for your message.  To answer your questions...

The root filesystem has over 50 GB available.  I ran vgscan but that did not improve the situation.  What we were able to do to get vgdisplay to not output an error was...

1)  modify the /etc/lvmtab file to include the filesystem which LVM claims is inactive and exported (even though it is in mounted and in use)

2)  cp /etc/lvmconf/${vg}.conf /etc/lvmtab.d/${vg}

3)  after steps 1 and 2, vgdisplay shows information regarding both volume groups defined;  however, pvscan still shows one volume group as inactive and exported;  we determined this must be due to a flag on the disks themselves, because /proc/lvm kernel info seems to show both volume groups as active

Any other info on why volume group status is not kept accurate by LVM is appreciated!!  Is this perhaps a bug with LVM v 1.08

Thanks!
Dave

----- Original Message ----
From: Heinz Mauelshagen <mauelshagen redhat com>
To: Dave <davo_muc yahoo com>; LVM general discussion and development <linux-lvm redhat com>
Sent: Monday, July 31, 2006 4:09:20 PM
Subject: Re: [linux-lvm] LVM1 - "VGDA in kernel and lvmtab are NOT consistent"error following lvm operations

On Mon, Jul 31, 2006 at 01:50:16AM -0700, Dave wrote:
> 
> 
> Hello,
> 
> I have slightly more info re: this error message I'm seeing.  After running vgdisplay and getting the message:
> 
>     VGDA in kernel and lvmtab are NOT consistent
> 
> I issued an $? to see the exit code and it was 98, which is explained as:
> 
>     invalid lvmtab (run vgscan(8))

E.g. because your root fs is full.
FYI: all lvm commands changing the configuration write the lvmtab.

Have you tried running vgscan yet ?

Heinz

> 
> in the vgdisplay man page.  How does the lvmtab become invalid?  
> 
> I do not want to have to reboot (because this will cause an outage for our customers), but I know from previous experience that the error message will disappear following a reboot.  I'm also hesitant to add new disks, vg's, lv's, and file systems until I can run vgdisplay without an error.  Should I be concerned re: this message???
> 
> 
> Thanks!
> Dave
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm redhat com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
Mauelshagen RedHat com                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
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