Re: [linux-lvm] missing vg after reboot

["Glenn Shannon" <warl0k@lvcm.com>]

And Debian initscripts are taken care of if you "apt-get install lvmtools" I
believe.....I would double check that but I am not *gasp* in Linux right now
:)

Glenn
----- Original Message -----
From: "Erick Calder" <e@arix.com>
To: <linux-lvm@sistina.com>
Sent: Monday, September 10, 2001 8:46 PM
Subject: RE: [linux-lvm] missing vg after reboot


actually that's also true of RedHat 7.0 and 7.1

- e r i c k

-----Original Message-----
From: linux-lvm-admin@sistina.com [mailto:linux-lvm-admin@sistina.com] On
Behalf Of IT3 Stuart B. Tener, USNR-R
Sent: Monday, September 10, 2001 7:38 PM
To: linux-lvm@sistina.com
Subject: RE: [linux-lvm] missing vg after reboot

List members:

It might be worth adding to the How-To that no initscript modifications are
necessary for Linux Mandrake, as their default rc.sysinit script contains
code in it to do the vg initialization on boot up.


Very Respectfully,

Stuart Blake Tener, IT3, USNR-R, N3GWG
Beverly Hills, California
VTU 1904G (Volunteer Training Unit)
stuart@bh90210.net
west coast: (310)-358-0202 P.O. Box 16043, Beverly Hills, CA 90209-2043
east coast: (215)-338-6005 P.O. Box 45859, Philadelphia, PA 19149-5859

Telecopier: (419)-715-6073 fax to email gateway via www.efax.com (it's
free!)

JOIN THE US NAVY RESERVE, SERVE YOUR COUNTRY, AND BENEFIT FROM IT ALL.

Monday, September 10, 2001 7:34 PM

-----Original Message-----
From: linux-lvm-admin@sistina.com [mailto:linux-lvm-admin@sistina.com]On
Behalf Of Michael Holschbach
Sent: Monday, September 10, 2001 8:49 AM
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] missing vg after reboot


--- "Heinz J . Mauelshagen" <mauelshagen@sistina.com> wrote:
>
> Michael,
>
> the pvdata output below exposes a completely messy PV structure,
> which makes me think of 2 possible reasons:
>
> a. /dev/hda2 is not the device you used to create a physical volume
>
> b. something accidentially overwrote /dev/hda2 after the PV creation
>
>
> If b is true you might still have an actual VGDA backup in
> /etc/lvmconf/ which
> you can use to vgcfgrestore(8) it to /dev/hda2 presumed that
> /dev/hda2 is
> the right device.
>
I already tried vgcfgrestore. All available backup files lead to the
same result:

> > server1:~ # vgcfgrestore -v -n data /dev/hda2
> > vgcfgrestore -- locking logical volume manager
> > vgcfgrestore -- restoring volume group "data" from
> > "/etc/lvmconf/data.conf"
> > vgcfgrestore -- checking existence of
> > "/etc/lvmconf/data.conf"
> > vgcfgrestore -- reading volume group data for "data"
> > from "/etc/lvmconf/data.con
> > f"
> > vgcfgrestore -- reading physical volume data for
> > "data" from "/etc/lvmconf/data.
> > conf"
> > vgcfgrestore -- reading logical volume data for "data"
> > from "/etc/lvmconf/data.c
> > onf"
> > vgcfgrestore -- checking volume group consistency of
> > "data"
> > vgcfgrestore -- checking volume group consistency of
> > "data"
> > vgcfgrestore -- reading physical volume "/dev/hda2"
> > vgcfgrestore -- ERROR "pv_read(): PV identifier
> > invalid" reading physical volume
> >  "/dev/hda2"
> >
My idea was to reset the values of /dev/hda2 according to the following
settings:

> > server1:~ # vgcfgrestore -v -ll -n data /dev/hda2
...
> > --- Physical volume ---
> > PV Name               /dev/hda2
> > VG Name               data
> > PV Size               27.62 GB / NOT usable 2.48 MB
> > [LVM: 148 KB]
> > PV#                   2
> > PV Status             available
> > Allocatable           yes
> > Cur LV                6
> > PE Size (KByte)       4096
> > Total PE              7069
> > Free PE               669
> > Allocated PE          6400
> > PV UUID
> > e7sX5R-XnTm-keX6-jShf-tTlw-DUP3-mzp4zW
> >

These values seem plausible for me. Can i use them to manually edit the
PV /dev/hda2 to rescue some data?


MfG Michael

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