== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 13:38:44 (1744133924)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116       19056     1268632   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       26556     1261132   3% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30672     3576348   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       14528     3592492   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       45200     7168840   1% /mnt/lustre