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

[The Setlaz]

Hi Martin,

My RAID array is automatically mounted through fstab and stays in "auto-
read-only" state as you mentionned. Even mounting it unmounting it
manually and re-mounting does not cause it to go in "write" state for
me. That's the only difference.


Thanks for pointing the Gentoo bug. Our issue might be similar actually. Given the behavior, I wouldn't be surprised actually.

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

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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