On 10/20/05, Goswin von Brederlow <[EMAIL PROTECTED]> wrote: > Mounting totaly ignores the partition type anyway. So that did > nothing. But running pvcreate will have overwritten some data. > > Try mounting with an alternate superblock and mount read-only and save > whatever you can. >
What does it mean to "mount with an alternate superblock". I don't get this. Can you give me an example? On 10/20/05, Lennart Sorensen <[EMAIL PROTECTED]> wrote: > Well if pvcreate was run, and that is all, perhaps looking at the lvm > backup data in /etc can tell what the UUID used to be and pvcreate might > allow you to tell it what uuid you want used on that device. Then lvm > should recognize it again. pvcreate doesn't overwrite the data area of > a pv, just the block containing the size and uuid and such (and the size > shouldn't have changed). Unless I am missing something in my > understanding of LVM that is. If it was not previously an lvm device, > then year whatever was there is not hurt badly. Yes, I can open the file /etc/lvm/backup/media_vg. The IDs of the physical volumes look OK. The PV UUID of each disc matches what is in that file. Craig