On 04/21/2015 10:08 AM, David Backer wrote:
> Even if they just copied off the raw sectors, I could use
> them to recover the data if I moved it to a new drive
> provided that the LVM info and the LUKS headers are intact
> right?
This may be very naive of me, but it seems to me you need to do it in 3
steps:
- get the raw data off (maybe DIY using 'ddrescue' or some such
program, or farm it out).
- assuming the LUKS headers etc are ok, mount the rescued data as a
"drive" (or figure out some way of applying the same decryption that
dm-crypt's block-by-block enc/dec does). Read off the raw blocks,
this time unencrypted, and write them to another device.
- use that device to recover the actual data. This is where knowledge
of the internals of your filesystem will be needed, and you will
probably need to farm it out. I'm assuming that's why those
specialists exist.
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