Re: Installing Fedora with LVM and LUKS, using the encryption layer on top of the LVM layer.

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On Mon, Jul 18, 2011 at 9:46 PM, Bruno Wolff III <bruno@xxxxxxxx> wrote:
On Mon, Jul 18, 2011 at 21:51:01 +1000,
 yudi v <yudi.tux@xxxxxxxxx> wrote:
>
> fine without any issues and I only have to enter the pass phrase once. Now I
> would like to change this setup with the LVM layer below the LUKS layer.
> That way I do not have to worry about decrypting 500Gb at every boot.

This won't affect that unless you are only going to encrypt some of the
LVs (e.g. just /home).

Yes I might only encrypt some of the LV's, I am not sure right now. One of the main reasons for having the encryption layer on top of the LVM layer is to leave the LV's unmounted and encrypted until I need them. This cannot be achieved if the whole PV is encrypted. I will only decrypt /, /home, and swap at boot time and them will decrypt other LVs when I need them.

I could not infer what you meant by "this won't affect that .."

>  I would like to know if there is a way to decrypt all the encrypted LVs
> with one pass phrase.

If you use the same passphrase for the different encrypted devices you
will only need to enter it once (well, twice for now because of a bug
with handing off the passphrase to plymouth).

Cool, I did not know this. Thanks you.



--
Kind regards,
Yudi

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