== sanity test 56d: 'lfs df -v' prints only configured devices ========================================================== 04:15:20 (1787472920)
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      1414116        9148     1262156   1%  /mnt/lustre[MDT:0] 
lustre-MDT0001_UUID      1414116       14720     1256584   2%  /mnt/lustre[MDT:1] 
lustre-OST0000_UUID      3833116       28132     3578888   1%  /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3833116       15356     3591664   1%  /mnt/lustre[OST:1] 

filesystem_summary:      7666232       43488     7170552   1%  /mnt/lustre