== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:26:03 (1786433163) Starting client oleg626-client.virtnet: -o user_xattr,flock 192.168.206.126@tcp:/lustre /mnt/lustre Started clients oleg626-client.virtnet: 192.168.206.126@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nosync_on_close,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 45177 Started dbench loop with 45178 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/usr/share/dbench/client.txt' -> 'client.txt' UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 28672 7490560 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Aug 11 03:26:08 EDT 2026 waiting for dbench pid 45219 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs failed to create barrier semaphore 0 of 1 processes prepared for launch 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 1 31 1.05 MB/sec warmup 1 sec latency 160.927 ms 1 98 2.23 MB/sec warmup 2 sec latency 107.353 ms 1 140 2.00 MB/sec warmup 3 sec latency 153.716 ms 1 182 1.83 MB/sec warmup 4 sec latency 115.825 ms test_26 fail mds1 1 times 1 230 1.77 MB/sec warmup 5 sec latency 106.189 ms 1 279 1.74 MB/sec warmup 6 sec latency 95.407 ms Failing mds1 on oleg626-server 1 315 1.64 MB/sec warmup 7 sec latency 157.511 ms Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 349 1.56 MB/sec warmup 8 sec latency 152.520 ms 1 364 1.45 MB/sec warmup 9 sec latency 719.522 ms 1 364 1.30 MB/sec warmup 10 sec latency 1719.699 ms 03:26:19 (1786433179) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 364 1.19 MB/sec warmup 11 sec latency 2720.380 ms 1 364 1.09 MB/sec warmup 12 sec latency 3721.591 ms 1 364 1.00 MB/sec warmup 13 sec latency 4721.772 ms 1 364 0.93 MB/sec warmup 14 sec latency 5721.945 ms 1 364 0.87 MB/sec warmup 15 sec latency 6722.295 ms 1 364 0.81 MB/sec warmup 16 sec latency 7722.741 ms 1 364 0.77 MB/sec warmup 17 sec latency 8723.156 ms 1 364 0.72 MB/sec warmup 18 sec latency 9725.256 ms 1 364 0.69 MB/sec warmup 19 sec latency 10725.781 ms 1 364 0.00 MB/sec execute 1 sec latency 12729.865 ms Failover mds1 to oleg626-server mount facets: mds1 1 364 0.00 MB/sec execute 2 sec latency 13730.629 ms 1 364 0.00 MB/sec execute 3 sec latency 14731.228 ms 1 364 0.00 MB/sec execute 4 sec latency 15734.085 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 364 0.00 MB/sec execute 5 sec latency 16734.236 ms 1 364 0.00 MB/sec execute 6 sec latency 17734.418 ms 1 364 0.00 MB/sec execute 7 sec latency 18734.593 ms 1 364 0.00 MB/sec execute 8 sec latency 19735.871 ms 1 364 0.00 MB/sec execute 9 sec latency 20736.068 ms 1 364 0.00 MB/sec execute 10 sec latency 21736.843 ms 1 364 0.00 MB/sec execute 11 sec latency 22737.128 ms 1 364 0.00 MB/sec execute 12 sec latency 23737.315 ms 1 364 0.00 MB/sec execute 13 sec latency 24737.517 ms 1 364 0.00 MB/sec execute 14 sec latency 25737.709 ms 1 364 0.00 MB/sec execute 15 sec latency 26737.910 ms 1 364 0.00 MB/sec execute 16 sec latency 27739.802 ms 1 364 0.00 MB/sec execute 17 sec latency 28739.958 ms 1 364 0.00 MB/sec execute 18 sec latency 29740.153 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 364 0.00 MB/sec execute 19 sec latency 30740.371 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 364 0.00 MB/sec execute 20 sec latency 31740.607 ms Started lustre-MDT0000 03:26:48 (1786433208) targets are mounted 03:26:49 (1786433209) facet_failover done 1 364 0.00 MB/sec execute 21 sec latency 32740.820 ms 1 364 0.00 MB/sec execute 22 sec latency 33741.357 ms 1 364 0.00 MB/sec execute 23 sec latency 34741.559 ms 1 364 0.00 MB/sec execute 24 sec latency 35741.986 ms 1 364 0.00 MB/sec execute 25 sec latency 36742.166 ms 1 364 0.00 MB/sec execute 26 sec latency 37742.333 ms 1 364 0.00 MB/sec execute 27 sec latency 38743.129 ms 1 364 0.00 MB/sec execute 28 sec latency 39743.303 ms 1 364 0.00 MB/sec execute 29 sec latency 40743.860 ms 1 364 0.00 MB/sec execute 30 sec latency 41751.191 ms 1 391 0.03 MB/sec execute 31 sec latency 41937.607 ms 1 432 0.06 MB/sec execute 32 sec latency 135.769 ms 1 477 0.11 MB/sec execute 33 sec latency 168.263 ms 1 511 0.14 MB/sec execute 34 sec latency 168.939 ms 1 579 0.19 MB/sec execute 35 sec latency 195.423 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 638 0.22 MB/sec execute 36 sec latency 167.487 ms 1 666 0.22 MB/sec execute 37 sec latency 231.795 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 692 0.21 MB/sec execute 38 sec latency 134.418 ms 1 721 0.21 MB/sec execute 39 sec latency 132.097 ms 1 740 0.21 MB/sec execute 40 sec latency 277.122 ms 1 780 0.20 MB/sec execute 41 sec latency 108.546 ms 1 801 0.20 MB/sec execute 42 sec latency 262.471 ms 1 857 0.20 MB/sec execute 43 sec latency 111.363 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3745792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3682304 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7428096 1% /mnt/lustre 1 887 0.20 MB/sec execute 44 sec latency 223.589 ms 1 916 0.19 MB/sec execute 45 sec latency 195.958 ms 1 949 0.19 MB/sec execute 46 sec latency 106.036 ms 1 980 0.19 MB/sec execute 47 sec latency 152.644 ms 1 1036 0.20 MB/sec execute 48 sec latency 197.339 ms 1 1095 0.20 MB/sec execute 49 sec latency 78.181 ms test_26 fail mds1 2 times 1 1149 0.20 MB/sec execute 50 sec latency 107.157 ms 1 1198 0.20 MB/sec execute 51 sec latency 81.074 ms Failing mds1 on oleg626-server 1 1242 0.19 MB/sec execute 52 sec latency 122.383 ms Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 1318 0.21 MB/sec execute 53 sec latency 144.535 ms 1 1378 0.24 MB/sec execute 54 sec latency 953.949 ms 1 1378 0.24 MB/sec execute 55 sec latency 1954.113 ms 03:27:24 (1786433244) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 1378 0.23 MB/sec execute 56 sec latency 2957.787 ms 1 1378 0.23 MB/sec execute 57 sec latency 3957.958 ms 1 1378 0.22 MB/sec execute 58 sec latency 4958.236 ms 1 1378 0.22 MB/sec execute 59 sec latency 5958.640 ms 1 1378 0.22 MB/sec execute 60 sec latency 6958.820 ms 1 1378 0.21 MB/sec execute 61 sec latency 7958.991 ms 1 1378 0.21 MB/sec execute 62 sec latency 8960.690 ms 1 1378 0.21 MB/sec execute 63 sec latency 9960.916 ms 1 1378 0.20 MB/sec execute 64 sec latency 10961.264 ms 1 1378 0.20 MB/sec execute 65 sec latency 11961.622 ms 1 1378 0.20 MB/sec execute 66 sec latency 12973.665 ms Failover mds1 to oleg626-server mount facets: mds1 1 1378 0.19 MB/sec execute 67 sec latency 13980.660 ms 1 1378 0.19 MB/sec execute 68 sec latency 14982.410 ms 1 1378 0.19 MB/sec execute 69 sec latency 15982.671 ms 1 1378 0.18 MB/sec execute 70 sec latency 16983.298 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1378 0.18 MB/sec execute 71 sec latency 17983.682 ms 1 1378 0.18 MB/sec execute 72 sec latency 18983.962 ms 1 1378 0.18 MB/sec execute 73 sec latency 19990.434 ms 1 1378 0.17 MB/sec execute 74 sec latency 20990.609 ms 1 1378 0.17 MB/sec execute 75 sec latency 21990.803 ms 1 1378 0.17 MB/sec execute 76 sec latency 22991.544 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 1418 0.17 MB/sec execute 77 sec latency 23119.914 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 1466 0.17 MB/sec execute 78 sec latency 87.251 ms Started lustre-MDT0000 03:27:47 (1786433267) targets are mounted 03:27:47 (1786433267) facet_failover done 1 1499 0.16 MB/sec execute 79 sec latency 296.118 ms 1 1552 0.16 MB/sec execute 80 sec latency 80.470 ms 1 1599 0.16 MB/sec execute 81 sec latency 100.903 ms 1 1642 0.16 MB/sec execute 82 sec latency 262.136 ms 1 1683 0.16 MB/sec execute 83 sec latency 188.649 ms 1 1721 0.16 MB/sec execute 84 sec latency 96.412 ms 1 1775 0.16 MB/sec execute 85 sec latency 123.372 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1825 0.15 MB/sec execute 86 sec latency 118.249 ms 1 1862 0.15 MB/sec execute 87 sec latency 118.875 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1902 0.15 MB/sec execute 88 sec latency 160.581 ms 1 1956 0.15 MB/sec execute 89 sec latency 95.344 ms 1 2000 0.15 MB/sec execute 90 sec latency 95.792 ms 1 2024 0.15 MB/sec execute 91 sec latency 121.806 ms 1 2098 0.15 MB/sec execute 92 sec latency 95.377 ms 1 2162 0.15 MB/sec execute 93 sec latency 96.582 ms 1 2198 0.15 MB/sec execute 94 sec latency 143.058 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 20480 3724288 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 52224 3676160 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7400448 1% /mnt/lustre 1 2247 0.14 MB/sec execute 95 sec latency 150.364 ms 1 2327 0.15 MB/sec execute 96 sec latency 68.141 ms 1 2358 0.15 MB/sec execute 97 sec latency 139.296 ms 1 2394 0.15 MB/sec execute 98 sec latency 179.831 ms 1 2420 0.15 MB/sec execute 99 sec latency 233.855 ms test_26 fail mds1 3 times 1 cleanup 100 sec 1 cleanup 101 sec Failing mds1 on oleg626-server 1 cleanup 102 sec 1 cleanup 103 sec Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 03:28:15 (1786433295) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec Failover mds1 to oleg626-server mount facets: mds1 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 cleanup 139 sec pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 cleanup 140 sec Started lustre-MDT0000 03:28:49 (1786433329) targets are mounted 03:28:49 (1786433329) facet_failover done 1 cleanup 141 sec 1 cleanup 142 sec 1 cleanup 143 sec 1 cleanup 144 sec 1 cleanup 145 sec 1 cleanup 146 sec 1 cleanup 147 sec 0 cleanup 148 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 363 58.746 283.218 Close 314 146.093 41937.587 Rename 14 97.935 152.624 Unlink 36 30.392 69.305 Qpathinfo 325 88.124 23119.894 Qfileinfo 95 2.413 11.342 Qfsinfo 41 3.934 24.226 Sfileinfo 44 54.994 113.261 Find 109 6.394 61.071 WriteX 347 12.557 59.299 ReadX 382 1.993 64.472 Flush 33 148.632 296.097 Throughput 0.15182 MB/sec 1 clients 1 procs max_latency=41937.607 ms stopping dbench on /mnt/lustre at Tue Aug 11 03:28:56 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 '/usr/share/dbench/client.txt' -> 'client.txt' mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Aug 11 03:29:03 EDT 2026 waiting for dbench pid 48034 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 0 of 1 processes prepared for launch 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 1 20 0.39 MB/sec warmup 1 sec latency 28.421 ms 1 71 1.57 MB/sec warmup 2 sec latency 176.364 ms 1 129 1.92 MB/sec warmup 3 sec latency 120.311 ms 1 157 1.63 MB/sec warmup 4 sec latency 204.777 ms 1 197 1.57 MB/sec warmup 5 sec latency 164.457 ms 1 224 1.43 MB/sec warmup 6 sec latency 198.996 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2944 2205568 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3755008 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 44032 3696640 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7451648 1% /mnt/lustre 1 263 1.41 MB/sec warmup 7 sec latency 127.140 ms 1 288 1.34 MB/sec warmup 8 sec latency 242.768 ms 1 315 1.27 MB/sec warmup 9 sec latency 154.082 ms 1 341 1.22 MB/sec warmup 10 sec latency 229.071 ms 1 386 1.24 MB/sec warmup 11 sec latency 118.218 ms 1 424 1.24 MB/sec warmup 12 sec latency 137.856 ms test_26 fail mds1 4 times 1 461 1.24 MB/sec warmup 13 sec latency 115.693 ms 1 493 1.23 MB/sec warmup 14 sec latency 161.791 ms 1 513 1.18 MB/sec warmup 15 sec latency 168.953 ms Failing mds1 on oleg626-server 1 576 1.21 MB/sec warmup 16 sec latency 200.287 ms Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 654 1.24 MB/sec warmup 17 sec latency 98.892 ms 1 674 1.17 MB/sec warmup 18 sec latency 209.254 ms 1 674 1.11 MB/sec warmup 19 sec latency 1209.440 ms 03:29:23 (1786433363) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 674 0.00 MB/sec execute 1 sec latency 3211.019 ms 1 674 0.00 MB/sec execute 2 sec latency 4211.807 ms 1 674 0.00 MB/sec execute 3 sec latency 5212.347 ms 1 674 0.00 MB/sec execute 4 sec latency 6212.821 ms 1 674 0.00 MB/sec execute 5 sec latency 7213.629 ms 1 674 0.00 MB/sec execute 6 sec latency 8215.234 ms 1 674 0.00 MB/sec execute 7 sec latency 9215.660 ms 1 674 0.00 MB/sec execute 8 sec latency 10216.673 ms 1 674 0.00 MB/sec execute 9 sec latency 11220.304 ms 1 674 0.00 MB/sec execute 10 sec latency 12220.489 ms Failover mds1 to oleg626-server mount facets: mds1 1 674 0.00 MB/sec execute 11 sec latency 13220.627 ms 1 674 0.00 MB/sec execute 12 sec latency 14220.857 ms 1 674 0.00 MB/sec execute 13 sec latency 15222.122 ms 1 674 0.00 MB/sec execute 14 sec latency 16222.279 ms 1 674 0.00 MB/sec execute 15 sec latency 17222.562 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 674 0.00 MB/sec execute 16 sec latency 18222.826 ms 1 674 0.00 MB/sec execute 17 sec latency 19223.017 ms 1 674 0.00 MB/sec execute 18 sec latency 20224.495 ms 1 674 0.00 MB/sec execute 19 sec latency 21225.118 ms 1 674 0.00 MB/sec execute 20 sec latency 22225.371 ms 1 674 0.00 MB/sec execute 21 sec latency 23225.554 ms 1 674 0.00 MB/sec execute 22 sec latency 24228.384 ms 1 674 0.00 MB/sec execute 23 sec latency 25228.559 ms 1 674 0.00 MB/sec execute 24 sec latency 26228.760 ms 1 674 0.00 MB/sec execute 25 sec latency 27229.215 ms 1 674 0.00 MB/sec execute 26 sec latency 28231.488 ms 1 674 0.00 MB/sec execute 27 sec latency 29231.671 ms 1 674 0.00 MB/sec execute 28 sec latency 30231.885 ms 1 674 0.00 MB/sec execute 29 sec latency 31234.618 ms 1 674 0.00 MB/sec execute 30 sec latency 32234.841 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 31 sec latency 33235.058 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 32 sec latency 34235.422 ms Started lustre-MDT0000 03:29:55 (1786433395) targets are mounted 03:29:55 (1786433395) facet_failover done 1 674 0.00 MB/sec execute 33 sec latency 35235.782 ms 1 674 0.00 MB/sec execute 34 sec latency 36235.998 ms 1 674 0.00 MB/sec execute 35 sec latency 37236.171 ms 1 674 0.00 MB/sec execute 36 sec latency 38236.338 ms 1 678 0.00 MB/sec execute 37 sec latency 38857.617 ms 1 711 0.00 MB/sec execute 38 sec latency 219.878 ms 1 730 0.00 MB/sec execute 39 sec latency 308.888 ms 1 759 0.00 MB/sec execute 40 sec latency 133.490 ms 1 791 0.01 MB/sec execute 41 sec latency 156.410 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 810 0.01 MB/sec execute 42 sec latency 156.412 ms 1 870 0.01 MB/sec execute 43 sec latency 103.149 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 892 0.01 MB/sec execute 44 sec latency 267.761 ms 1 914 0.01 MB/sec execute 45 sec latency 294.678 ms 1 952 0.01 MB/sec execute 46 sec latency 166.932 ms 1 981 0.02 MB/sec execute 47 sec latency 210.751 ms 1 1011 0.02 MB/sec execute 48 sec latency 123.642 ms 1 1074 0.04 MB/sec execute 49 sec latency 201.078 ms 1 1128 0.04 MB/sec execute 50 sec latency 87.012 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1172 0.04 MB/sec execute 51 sec latency 121.355 ms 1 1221 0.04 MB/sec execute 52 sec latency 68.939 ms 1 1251 0.04 MB/sec execute 53 sec latency 171.221 ms 1 1389 0.09 MB/sec execute 54 sec latency 99.744 ms 1 1450 0.09 MB/sec execute 55 sec latency 67.783 ms 1 1492 0.09 MB/sec execute 56 sec latency 365.862 ms 1 1552 0.09 MB/sec execute 57 sec latency 76.529 ms 1 1589 0.09 MB/sec execute 58 sec latency 72.403 ms 1 1632 0.08 MB/sec execute 59 sec latency 184.254 ms 1 1673 0.08 MB/sec execute 60 sec latency 256.456 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Aug 11 03:30:23 EDT 2026 with return code 0 48034 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48034 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished