[dm-crypt] Detached headers, multiple drives and UUIDs
saout.boxy at xoxy.net
Tue Apr 11 06:02:13 CEST 2017
---- On Mon, 10 Apr 2017 06:07:41 -0700 7heo - 7heo at mail.com<saout.boxy.d333f2b513.7heo#mail.com at ob.0sg.net> wrote ----
> Hello all,
> I have a question regarding the deported headers in LUKS, and how it can be used to simplify the setup of RAID over LUKS:
> The current way to automatically unlock all the drives used in a Raid array seems to be to add the same key to all the drives in the array.
I use detached headers for a RAID array, but I don't need to use the same key. All that's necessary is to use the same _password_. Then, I use "keyscript=decrypt_keyctl". See here:
> However that doesn't work with detached headers for obvious reasons. The detached headers can apparently be used on any number of devices/files at the same time, with one problem: they all have the same UUID. I tried using the --uuid flag with luksOpen without success.
> Does anyone know a way to achieve this?
More information about the dm-crypt