[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

[Colin Watson]

Andy's pointed me at the code in question; it's clear that support is
simply missing.

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => Medium

** Changed in: grub2 (Ubuntu)
       Status: Incomplete => Triaged

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

Status in “grub2” package in Ubuntu:
  Triaged

Bug description:
  grub2 LVM support handles MD raid 4.5 and 6 but not raid1.  If you
  make your boot or root raid1 it is no longer able to even list the
  volumes.  It is therefore possible to boot your system, add a mirror,
  reboot and have no system at all.  I would guess raid1 would be a
  degenerate case of the mirror support that already exists.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: grub2 (not installed)
  ProcVersionSignature: Ubuntu 3.10.0-1.2~unstable201306041951-generic 3.10.0-rc4
  Uname: Linux 3.10.0-1-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  Date: Mon Jul 29 20:27:49 2013
  EcryptfsInUse: Yes
  MarkForUpload: True
  SourcePackage: grub2
  UpgradeStatus: Upgraded to raring on 2013-02-26 (153 days ago)

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