There's some race condition now that doesn't give RAID5 (and probably
other types) mdadm adequate time, so it shows up with faulty/degraded
arrays.

Another problem makes boot process ignore the kernel parm
"bootdegraded=true"

This forces people with mdadm software RAID into a "busybox" initramfs
shell, basically a blackhole of doom and downage.

Apparently the only recourse is to totally reinstall the system (again),
not tell it about the existing RAID5, then go boot and do some fiddling
around with udevadm delay, per
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/872220?comments=all

and then cross my fingers, give it a reboot, and hope it boots without race 
condition incorrectly marking RAID as failed...
and if not then re-install everything and try the next iteration of screwing 
around.

GOT SOME NEWS FOR YA -- THIS IS THE FSCKING *DEFINITION* OF MICROSOFT.

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https://bugs.launchpad.net/bugs/778520

Title:
  install on degraded raid1 does not boot, drops to initramfs shell

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