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

[Martin Stjernholm]

Public bug reported:

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.

** Affects: mdadm (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1320402

Title:
   mdadm resyncs imsm raid in "Normal" state

Status in “mdadm” package in Ubuntu:
  New

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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