== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 13:41:06 (1744134066)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116       18368     1269320   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       25080     1262608   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       28096     3578924   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       16052     3590968   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44148     7169892   1% /mnt/lustre