emmanuel segura schreef op 11-07-2016 0:02:
the lvm metadata is stored in the begining of the physical volume, the
logical volume is simple block device, so using dd you don't overwrite
any lvm header.
I must say I did experience something weird when copying a LUKS
partition (encrypted).
Apparently LUKS stores information about the device it is on (or was
one) because I coudln't get it to re-adjust to a larger volume.
cryptsetup resize is supposed to resize to the size of the underlying
block device.
I had to recreate my LUKS container before it would recognise the new
size.
E.g. I copied from 2GB volume to 3GB volume using dd.
LUKS kept thinking it was still on a 2GB volume.
So resize didn't work and I could manually resize it to 3GB but
automatic resize would resize it back to 2GB.
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