[ltp] X200s, X61s, turn on HDD (SDD, Samsung 840 EVO) BIOS, re-installation?

[Uwe Brauer]

Hi

Several months ago, I asked about full disk encryption (I first was
thinking about luks cm-crypt) but then I was pointed out to encryption
"in hardware" which has no performance issue, but finally I did not do
anything.

Now I came back to that idea, but before enabling it I would like to
know:

Will that erase all my data and I have to reinstall everything?

I ask because this is happening if one wants to enable luks for a
already installed OS.

Thanks

Uwe Brauer