Suppose the following scenario.
A LVM logical volume is encrypted with LUKS. For backup purposes, I want
to make an LVM snapshot of the LV.
1. Is it possible to decrypt that read-only snapshot? Are write
operations involved in luksOpen?
2. Is it possible to prevent the LUKS header from getting copied to the
snapshot (if neighboring FS metadata blocks are written to), which
should be avoided according to
http://www.saout.de/tikiwiki/tiki-index.php?page=LUKSFaq?
Thanks in advance!
Cheers,
Jens
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