On Wed, Aug 12, 2015, at 10:08 PM, David C. Rankin wrote: > "can I boot the install media, assemble raid arrays, chroot old and > update, or do I just dump the root partition and reinstall > completely?" You'll need to reinstall, I think. According to [1], ESP on RAID is not a good idea, which means one of your drives will have to host the EFI (and also usually boot) partition. [1] https://wiki.archlinux.org/index.php/EFI#ESP_on_RAID Instead, you can do something similar to the full-disk encryption / plausible deniability setup I experimented with a few months ago [2] -- host the EFI / boot partition on a high quality USB drive instead and keep your RAID array intact. [2] https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Plain_dm-crypt
