[ale] Examining pre-existing LVM

[lists at caeruleus.info (Giulio (lists))]

On Thursday 20 March 2008, Jeff Hubbs wrote:
> I think you mean "vgchange -a y".  The output is:
>
>   0 logical volume(s) in volume group "vgf" now active
>   0 logical volume(s) in volume group "vge" now active
>   1 logical volume(s) in volume group "vg0" now active
>
> Ignore vg0; that's a different volume group.
>
> I'd already gone "vgcreate vge /dev/sde1" and "vgcreate vgf
> /dev/sdf1", hence the vge and vgf.  Where I seem to be stuck is
> getting LVM2 to "bring up" the LVs in the VGs.

Yes, "-a y" is correct.

I do not think the vgcreate was needed as you already seemed to have 
an existing LVM setup on both disks.

The article linked before had some info as to how to extract the LVM 
header information from the disks. Hopefully it will be still there. 

Giulio