[root@mds1 ~]# lctl dl
  0 UP osd-ldiskfs MGS-osd MGS-osd_UUID 5
  1 UP mgs MGS MGS 147
  2 UP mgc MGC10.20.30.103@o2ib 5e78df98-0716-f81c-0a4b-fd19bae3f8cd 5
  3 UP osd-ldiskfs scratch-MDT0000-osd scratch-MDT0000-osd_UUID 13
  4 UP mds MDS MDS_uuid 3
  5 UP lod scratch-MDT0000-mdtlov scratch-MDT0000-mdtlov_UUID 4
  6 UP mdt scratch-MDT0000 scratch-MDT0000_UUID 157
  7 UP mdd scratch-MDD0000 scratch-MDD0000_UUID 4
  8 UP qmt scratch-QMT0000 scratch-QMT0000_UUID 4
  9 UP osp scratch-OST0003-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 10 UP osp scratch-OST0004-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 11 UP osp scratch-OST0005-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 12 UP osp scratch-OST0001-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 13 UP osp scratch-OST0000-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 14 UP osp scratch-OST0002-osc-MDT0000 scratch-MDT0000-mdtlov_UUID 5
 15 UP lwp scratch-MDT0000-lwp-MDT0000 scratch-MDT0000-lwp-MDT0000_UUID 5
 16 UP osd-ldiskfs scratch-OST0001-osd scratch-OST0001-osd_UUID 5
 17 UP osd-ldiskfs scratch-OST0002-osd scratch-OST0002-osd_UUID 5
 18 UP osd-ldiskfs scratch-OST0000-osd scratch-OST0000-osd_UUID 5
 19 UP ost OSS OSS_uuid 3
 20 UP obdfilter scratch-OST0001 scratch-OST0001_UUID 145
 21 UP lwp scratch-MDT0000-lwp-OST0001 scratch-MDT0000-lwp-OST0001_UUID 5
 22 UP obdfilter scratch-OST0000 scratch-OST0000_UUID 145
 23 UP lwp scratch-MDT0000-lwp-OST0000 scratch-MDT0000-lwp-OST0000_UUID 5
 24 UP obdfilter scratch-OST0002 scratch-OST0002_UUID 145
 25 UP lwp scratch-MDT0000-lwp-OST0002 scratch-MDT0000-lwp-OST0002_UUID 5
[root@mds1 ~]#
[root@mds1 ~]#
[root@mds1 ~]#
[root@mds1 ~]#
[root@mds1 ~]# ssh mds2
Last login: Tue Oct 13 13:14:08 2015 from mds1
[root@mds2 ~]#
[root@mds2 ~]#
[root@mds2 ~]# lctl dl
  0 UP osd-ldiskfs scratch-OST0003-osd scratch-OST0003-osd_UUID 5
  1 UP osd-ldiskfs scratch-OST0004-osd scratch-OST0004-osd_UUID 5
  2 UP osd-ldiskfs scratch-OST0005-osd scratch-OST0005-osd_UUID 5
  3 UP mgc MGC10.20.30.103@o2ib 16fd405c-e4f0-1e49-8bd3-9ed61ffb7684 5
  4 UP ost OSS OSS_uuid 3
  5 UP obdfilter scratch-OST0003 scratch-OST0003_UUID 145
  6 UP lwp scratch-MDT0000-lwp-OST0003 scratch-MDT0000-lwp-OST0003_UUID 5
  7 UP obdfilter scratch-OST0005 scratch-OST0005_UUID 145
  8 UP lwp scratch-MDT0000-lwp-OST0005 scratch-MDT0000-lwp-OST0005_UUID 5
  9 UP obdfilter scratch-OST0004 scratch-OST0004_UUID 145
 10 UP lwp scratch-MDT0000-lwp-OST0004 scratch-MDT0000-lwp-OST0004_UUID 5
[root@mds2 ~]#