The installation then proceeded like usual, but after the reboot to
the real system
Begin: Loading MD modules ...
md: driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
md: raid1 personality registered for level 1
Success: loaded module raid1.
Done.
Begin: Assembling all MD arrays ...
md: md0 stopped.
md: bind<hdb2>
md: bind<hda2>
raid1: raid set md0 active with 2 out of 2 mirrors
mdadm: /dev/md0 has been started with 2 drives.
Success: assembled all arrays.
No cryptoroot configured, skipping
Done.
Begin: Waiting for root file system... ...
_
The boot was stuck at that point, but after a while it continued:
Done.
Check root= bootarg cat /proc/cmdline
or mirring modules, devices: cat /proc/modules ls /dev
ALERT! /dev/mapper/md0_crypt does not exist. Dropping to a shell!