Actually, applying the patch available at https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1320402 did not help.
After a full resync leading to a clean disk and a reboot... ity resyncs again.
Actually, applying the patch available at https:/ /bugs.launchpad .net/ubuntu/ +source/ mdadm/+ bug/1320402
did not help.
After a full resync leading to a clean disk and a reboot... ity resyncs again.