On Wed, December 28, 2011 11:03, peter bieshaar gmail com
> Due to a hardware mistake (dvd and hdu as IDE-master ??) I lost complete
> disk- and therefor lvm administration on SATA disks.
> - In other words I cannot see the partition- or PV/VG and LV
> - So, fdisk or (pv|vg|lv)display can't give information.
> lvm was initiated under ubuntu 11.04 or 10.10, a recent lvm2 version was
> On one disk I tried to create a partition (without creating a filesystem
> of-course :) ) but no pv-information was shown, using pvdisplay. I didn't
> dare to do this on my RAID1 (md) disks.
> I can read the disks with strings and dd, and saw content of scripts and
> documents. So the content/data is still on the disks.
> My chosen strategy to recover the LV's, is finding the PE's, pickthem
> up and place them in a blob on another filesystem. So I can mount -o loop
> that blob and restructure the disks.
> My problem now is how to find these information. The web gives a lot of
> information how to setup, but almost none on technical issues like this.
> Can someone give me a hint on how this (the PE's) technically is being
> organized (pointer -> pointer structures??) and where and how to search
> these on the disk. So I can write a C-thingy to accomplish my strategy. If
> someone already has something like this, or examples,
> Peter Bieshaar