On Friday 26 May 2017 01:05:59 sharon s. wrote: > On 05/26/17 00:45, Ted Unangst wrote: > > [email protected] wrote: > >> Steps to recreate: > >> > >> dd if=/dev/random of=/dev/rsd0c bs=1m (took over a week) > >> > >> fdisk -iy -g sd0 (I left off the "-b 960" because this is not a > >> bootable partiton) > >> > >> disklabel -E sd0 > >> > >> Label editor (enter '?' for help at any prompt) > >> > >> > a a > >> > >> offset: [64] > >> size: [70319603585] > >> FS type: [4.2BSD] RAID > >> > >> > w > >> > q > >> > >> # bioctl -v -c C -l sd0a softraid0 > >> New passphrase: > >> Re-type passphrase: > >> Deriving key using bcrypt PBKDF with 16 rounds... > >> bioctl: unknown error > >> > >> softraid0: invalid metadata format > > > > You filled the disk with random data, which is not a valid metadata > > format... > > I followed the FAQ, http://www.openbsd.org/faq/faq14.html#softraidCrypto .
Hrmmm, it looks like that part of the FAQ is incorrect or missing a step. You should be able to work around it by either zeroing the first ~1MB of disk (per the FAQ), or by using 'bioctl -C force' (carefully).
