[Bug 1811795] Re: Mdadm: external metadata arrays and containers are removed incorrectly

[Pawel Baldysiak]

Hi,
It is fixed in 19.04 (mdadm there is 4.1).
Any chances to include the fix in 18.04 LTS?

Thanks
Pawel

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https://bugs.launchpad.net/bugs/1811795

Title:
  Mdadm: external metadata arrays and containers are removed incorrectly

Status in mdadm package in Ubuntu:
  Fix Released
Status in mdadm source package in Bionic:
  New
Status in mdadm source package in Cosmic:
  New

Bug description:
  Steps to reproduce:

  1. Create IMSM container on 2 SATA disks.

  2. Create R0 IMSM volume

  3. Wait for resync to complete.

  4. Fail one of disks

  Expected result:
  R0 Array should disappear form /proc/mdstat.

  Actual result:
  R0 array is visible in mdstat, link to container in /dev/md/ is removed.

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