[Bug 1320402] Re: mdadm resyncs imsm raid in "Normal" state

[Elias Kouskoumvekakis]

I also had the exact same problem with Ubuntu 15.10 and Windows 10 dual-
boot setup and now that I upgraded to Ubuntu 16.04 LTS it is still there
unfortunately. Mdadm or the intel tool in windows will always try to
resync the array on each reboot.

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Title:
   mdadm resyncs imsm raid in "Normal" state

Status in mdadm package in Ubuntu:
  Confirmed

Bug description:
  Got an imsm raid1 which I don't boot from. Whenever bios reports the
  raid as being in "Normal" state, mdadm starts a resync of it after
  boot. If a resync already is underway (bios reports it as being in
  "Verify" state), it continues where it left off.

  This appears to be very similar to a problem in Fedora:
  https://bugzilla.redhat.com/show_bug.cgi?id=753335 It's apparently
  fixed there for some time now. (The workaround mentioned in comment 41
  in that ticket doesn't work in Ubuntu, but I guess that's due to
  distro differences in initramfs and systemd.)

  Using mdadm 3.2.5-5ubuntu4 in a fresh Trusty install.

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