== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 11:44:36 (1749483876)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116       18200     1269488   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       25236     1262452   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       25104     3581916   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       19172     3587848   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44276     7169764   1% /mnt/lustre