Warning: Permanently added 'lustre-client-5,10.166.0.86' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-4,10.166.0.73' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-3,10.166.0.88' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-2,10.166.0.72' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-7,10.166.0.90' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-8,10.166.0.94' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-9,10.166.0.7' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-6,10.166.0.87' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-10,10.166.0.96' (ECDSA) to the list of known hosts. -- started at 06/07/2019 13:16:19 -- mdtest-3.3alpha1 was launched with 50 total task(s) on 10 node(s) Command line used: /opt/io-500-dev/bin/mdtest "-E" "-t" "-F" "-w" "3901" "-e" "3901" "-d" "/mnt/datafiles/io500.2019.06.07-12.29.22/mdt_hard" "-n" "95000" "-x" "/mnt/datafiles/io500.2019.06.07-12.29.22/mdt_hard-stonewall" Path: /mnt/datafiles/io500.2019.06.07-12.29.22 FS: 232.3 TiB Used FS: 1.4% Inodes: 106.6 Mi Used Inodes: 2.4% 50 tasks, 4750000 files SUMMARY rate: (of 1 iterations) Operation Max Min Mean Std Dev --------- --- --- ---- ------- File creation : 0.000 0.000 0.000 0.000 File stat : 0.000 0.000 0.000 0.000 File read : 14130.789 14130.689 14130.725 0.027 File removal : 0.000 0.000 0.000 0.000 Tree creation : 0.000 0.000 0.000 0.000 Tree removal : 0.000 0.000 0.000 0.000 -- finished at 06/07/2019 13:19:29 --