[Bug 1455482] Re: Multipath: upgrade multipath-tools to upstream

[Mauricio Faria de Oliveira]

The 2 options are drop or rebase.

Regarding drop, the reason to ask Ubuntu is because Debian just
released, and it would break w/ their release contents, which adds more
work in updates/maintainence. AFAIK, Ubuntu releases are more
independent of each other in the updates sense (please correct me if
that's wrong).

Regarding rebase, definitely ideal and no problems expected w/ Debian.
Ritesh (maintainer) has been friendly and reasonable w/ patch
submission/discussion, and the constraint there is upstream-first, for
which a downstream-patch rebase is not a problem, and actually helps w/
the backport work.

I'll follow up w/ Ritesh in a BTS bug, so that may eventually stream down to W.
Thanks.

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Title:
  Multipath: upgrade multipath-tools to upstream

Status in multipath-tools package in Ubuntu:
  Triaged

Bug description:
  Ubuntu ships an older version of multipath-tools (i.e., the userspace multipath
  support; kernelspace multipath support is the device-mapper's multipath target, 
  which is as recent as their kernel is, so not a problem).

  Some test teams  already hit enough issues with fixes upstream
  to demonstrate that point.

  Going forward, it's very interesting to ship something more recent in Ubuntu, so
  to alleviate the number of bugs (likely with severity of block and ship) that we
  will have to debug/understand/interlock/backport/submit/upload to get fixed...

  The point is fixing multipath-tools once - in a big step - rather than
  N times.

  Canononical currently  pull multipath from Debian, which
  is multipath-tools 0.5.0, and upstream is around 144 patches/commits *ahead* of.
  This is more than enough fixes/reasons to move to it, rather than stay on 0.5.0.
  (upstream is basically the SLES level; as hare at suse.de drives upstream nowadays)

  This is why this is being opened as feature request.  I am wondering
  if Canonical see any objection to upgrading Ubuntu's multipath
  packages to a more recent version?

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