[Bug 872220] Re: Fails to boot when there's problems with softraid

[Andrew Nagel]

Clint the issue is that it does this regardless of whether the device is
a boot device or not and this makes the system unbootable if you have 1
disk from a RAID 5 array attached to it.

1. Set boot degraded to false, result: you get a prompt asking if you want to try boot degraded
1.a Answer no, it drops you into the debug shell
1.b Answer yes, assemble degraded fails, it drops you into a the debug shell
2. Set boot degraded to true, result system tried to attach the degraded array, assemble fails, system drops into the debug shell.

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https://bugs.launchpad.net/bugs/872220

Title:
  Fails to boot when there's problems with softraid

Status in “mdadm” package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 11.10 has a new feature that it warns you while booting if
  there's a program with the softraid.

  It tells you that a hard disk in the softraid is missing, then asks,
  on the console:

  Continue to boot? y/N

  But it ignores all keypresses. After 5 seconds or so it then times
  out, falls to the default "N" option, and dumps you to a emergency
  bash prompt, with no indication on how to proceed.

  The feature is a good idea, but not in the current broken state.

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