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

[nanog]

Whoever marked this bug:
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/917520 as a
duplicate is mistaken.

In ubuntu 12.04 there is a major regression in mdadm where a delay in
registration  of RAID component (by udev) during init results in an
array being MISTAKENLY tagged as corrupt. This drops the server into a
busy box shell and prevents remote restart. This is a MAJOR regression.

Please, please unmark 917520 as duplicate. And those of you who have
posted on this bug with symptoms described in 917520 should confirm on
the other bug.

Fortunately, there is a solution that is known to fix this bug as
described here:

http://ubuntuforums.org/showpost.php?p=11388915&postcount=18

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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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