This is a new one.

I migrated from an NFS share to an iSCSI share on a small single node oVirt system (Currently running 4.3.10).

After migrating a disk (Virtual Machine -> Disk -> Move), I was unable to boot to it.  The console tells me "No bootable device".  This is a Centos7 guest.

I booted into a CentOS7 ISO and tried a few things...

fdisk -l shows me a 40GB disk (/dev/sda).

fsck -f tells me "bad magic number in superblock"

lvdisplay and pvdisplay show nothing.  Even if I can't boot to the drive I would love to recover a couple of documents from here if possible.  Does anyone have any suggestions?  I am running out of ideas.