-- bring the mirror back up and see primary s/u and mirror s/u
-- bring the mirror back up and see primary s/u and mirror s/u
-1U: select pg_ctl((select datadir from gp_segment_configuration c where c.role='m' and c.content=2), 'start', (select port from gp_segment_configuration where content = 2 and preferred_role = 'm'), 2, (select dbid from gp_segment_configuration c where c.role='m' and c.content=2));
-1U: select pg_ctl((select datadir from gp_segment_configuration c where c.role='m' and c.content=2), 'start', (select port from gp_segment_configuration where content = 2 and preferred_role = 'm'), 2, (select dbid from gp_segment_configuration c where c.role='m' and c.content=2));