== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 18:12:35 (1746137555)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210304       11392     2196864   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392       21504     3747840   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392       24576     3744768   1% /mnt/lustre[OST:1]

filesystem_summary:      7542784       46080     7492608   1% /mnt/lustre