[Bug 1890248] Re: SRU of mdadm to Focal

[Łukasz Zemczak]

Thank you Mariusz for the explanation. There is a few 'red/yellow flags'
here right now, but we can continue the discussion. I mean, some bits we
could work-around - like, the lack of a good test automation story -
this for instance could be still accepted taking into consideration your
(Intel's) testing. Since the only thing we want to accomplish with this
requirement is reducing the risk of regressions for existing users, and
any thorough testing might be already an acceptable criteria here.

But then I think the remaining requirements for getting this in would
be: trying to formulate a legitimate reason (rationale) for bumping
mdadm to 4.2 in focal and a list of changes (or at least new features)
added between 4.1 and 4.2. If we can get these in order + maybe get some
insight into what exact testing you, at Intel, perform on mdadm, we can
get the new version into focal-updates.

I assume the most difficult would be the list of feature changes. This
is a requirement as we need to know in advance if there's any changes
that could potentially break existing users and for us to request
additional targeted testing. Maybe we could figure something out here?

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https://bugs.launchpad.net/bugs/1890248

Title:
  SRU of mdadm to Focal

Status in mdadm package in Ubuntu:
  Fix Released
Status in mdadm source package in Focal:
  New

Bug description:
  Please update mdadm package for focal to latest upstream.
  mdadm-4.2 in on way but no release date was committed yet.

  Upstream contains a lot of various fixes for problems with specific hardware or system configuration.
  Also there are some fixes for sporadic bugs related with metadata updater (mdmon).
  I will notify if mdadm 4.2 will become available.

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