[Bug 2070371] Re: [VROC] [Ub 24.04] mdadm: grow for R0 not start - missing patch

[Bun K Tan]

@hectorcao - is this fix applied to Noble?  I see it's still set to
"Incomplete".

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Title:
  [VROC] [Ub 24.04] mdadm: grow for R0 not start - missing patch

Status in mdadm package in Ubuntu:
  Fix Released
Status in mdadm source package in Noble:
  Incomplete

Bug description:
  Steps to reproduce:
  1. Create RAID volume e.g.:
  # mdadm -C /dev/md/imsm0 -e imsm -n 2 /dev/nvme0n1 /dev/nvme1n1 -R
  # mdadm -C /dev/md/MyVolume -l0 -n 2 /dev/nvme[0-1]n1 -R
  2. Add additional drive(s) to an IMSM array using command e.g.:
  # mdadm --add /dev/md/imsm0 /dev/nvme2n1
  3. Execute grow command on array with additional drives:
  # mdadm --grow /dev/md/imsm0 --raid-devices=N
  4. Wait for reshape start on given volume
  # cat /proc/mdstat

  Expected result:

  Reshape started successfully, no errors reported


  Actual result:

  Reshape didn't start on given volume

  
  It is already fixed in mdadm. Please add those patches to mdadm:

  -
  https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/commit/?id=b0f4e8e30f38d83f7e3f53d01d72d4cb3b4d42d7

  -
  https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/commit/?id=aa1cc5815d2b14a8b47add18cfaa8264e19c10ce

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