It got broken again by version mdadm - 3.2.5-1ubuntu0.2 , as described in (probably duplicate) "booting from raid in degraded mode ends in endless loop" Bug #1077650
It got broken again by version mdadm - 3.2.5-1ubuntu0.2 , as described in (probably duplicate)
"booting from raid in degraded mode ends in endless loop" Bug #1077650