== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 18:44:49 (1746139489)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116       19500     1268188   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       17864     1269824   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       27832     3579188   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       15316     3591704   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43148     7170892   1% /mnt/lustre