== sanity test 56dc: test 'lfs df -o' only shows OST devices ========================================================== 14:49:57 (1767037797)
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      2210432       14592     2193792   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392       24576     3744768   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392       24576     3744768   1%  /mnt/lustre[OST:1]

filesystem_summary:      7542784       49152     7489536   1%  /mnt/lustre