== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:37:28 (1787578648) Starting client oleg343-client.virtnet: -o user_xattr,flock 192.168.203.143@tcp:/lustre /mnt/lustre Started clients oleg343-client.virtnet: 192.168.203.143@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 65649 Started dbench loop with 65651 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1980 1269324 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3589016 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7194472 1% /mnt/lustre '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Aug 24 09:37:34 EDT 2026 waiting for dbench pid 65727 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 29 0.98 MB/sec warmup 1 sec latency 13.324 ms 1 74 1.57 MB/sec warmup 2 sec latency 167.200 ms 1 116 1.74 MB/sec warmup 3 sec latency 234.850 ms 1 144 1.54 MB/sec warmup 4 sec latency 178.121 ms 1 166 1.36 MB/sec warmup 5 sec latency 178.505 ms 1 184 1.23 MB/sec warmup 6 sec latency 387.728 ms 1 197 1.12 MB/sec warmup 7 sec latency 585.079 ms 1 220 1.06 MB/sec warmup 8 sec latency 250.545 ms 1 263 1.10 MB/sec warmup 9 sec latency 149.003 ms test_26 fail mds1 1 times 1 290 1.07 MB/sec warmup 10 sec latency 184.229 ms 1 315 1.04 MB/sec warmup 11 sec latency 195.862 ms Failing mds1 on oleg343-server 1 332 1.00 MB/sec warmup 12 sec latency 407.045 ms 1 361 0.99 MB/sec warmup 13 sec latency 184.351 ms Stopping /mnt/lustre-mds1 (opts:) on oleg343-server 1 396 1.00 MB/sec warmup 14 sec latency 135.358 ms 1 397 0.94 MB/sec warmup 15 sec latency 997.941 ms 1 397 0.88 MB/sec warmup 16 sec latency 1998.222 ms 09:37:51 (1787578671) shut down facet: mds1 facet_host: oleg343-server facet_failover_host: oleg343-server 1 397 0.83 MB/sec warmup 17 sec latency 2998.461 ms 1 397 0.78 MB/sec warmup 18 sec latency 3999.465 ms 1 397 0.74 MB/sec warmup 19 sec latency 4999.706 ms 1 397 0.00 MB/sec execute 1 sec latency 7001.617 ms 1 397 0.00 MB/sec execute 2 sec latency 8001.837 ms 1 397 0.00 MB/sec execute 3 sec latency 9002.120 ms 1 397 0.00 MB/sec execute 4 sec latency 10002.328 ms 1 397 0.00 MB/sec execute 5 sec latency 11003.518 ms 1 397 0.00 MB/sec execute 6 sec latency 12005.319 ms 1 397 0.00 MB/sec execute 7 sec latency 13006.861 ms Failover mds1 to oleg343-server mount facets: mds1 1 397 0.00 MB/sec execute 8 sec latency 14007.740 ms 1 397 0.00 MB/sec execute 9 sec latency 15008.254 ms 1 397 0.00 MB/sec execute 10 sec latency 16009.633 ms 1 397 0.00 MB/sec execute 11 sec latency 17011.335 ms 1 397 0.00 MB/sec execute 12 sec latency 18012.724 ms 1 397 0.00 MB/sec execute 13 sec latency 19012.958 ms 1 397 0.00 MB/sec execute 14 sec latency 20013.675 ms 1 397 0.00 MB/sec execute 15 sec latency 21014.047 ms 1 397 0.00 MB/sec execute 16 sec latency 22014.278 ms 1 397 0.00 MB/sec execute 17 sec latency 23015.131 ms 1 397 0.00 MB/sec execute 18 sec latency 24017.342 ms 1 397 0.00 MB/sec execute 19 sec latency 25018.982 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 397 0.00 MB/sec execute 20 sec latency 26019.260 ms 1 397 0.00 MB/sec execute 21 sec latency 27019.447 ms 1 397 0.00 MB/sec execute 22 sec latency 28021.209 ms 1 397 0.00 MB/sec execute 23 sec latency 29021.634 ms 1 397 0.00 MB/sec execute 24 sec latency 30021.881 ms 1 397 0.00 MB/sec execute 25 sec latency 31022.152 ms 1 397 0.00 MB/sec execute 26 sec latency 32022.384 ms 1 397 0.00 MB/sec execute 27 sec latency 33022.855 ms 1 397 0.00 MB/sec execute 28 sec latency 34029.432 ms 1 397 0.00 MB/sec execute 29 sec latency 35030.015 ms 1 397 0.00 MB/sec execute 30 sec latency 36034.889 ms 1 397 0.00 MB/sec execute 31 sec latency 37037.255 ms oleg343-server: oleg343-server.virtnet: executing set_default_debug -1 all 1 397 0.00 MB/sec execute 32 sec latency 38037.955 ms 1 401 0.00 MB/sec execute 33 sec latency 38945.466 ms pdsh@oleg343-client: oleg343-server: ssh exited with exit code 1 1 437 0.04 MB/sec execute 34 sec latency 142.949 ms Started lustre-MDT0000 09:38:28 (1787578708) targets are mounted 09:38:28 (1787578708) facet_failover done 1 475 0.07 MB/sec execute 35 sec latency 162.366 ms 1 511 0.10 MB/sec execute 36 sec latency 144.517 ms 1 552 0.14 MB/sec execute 37 sec latency 242.889 ms 1 611 0.18 MB/sec execute 38 sec latency 444.483 ms 1 652 0.18 MB/sec execute 39 sec latency 124.349 ms 1 676 0.18 MB/sec execute 40 sec latency 170.593 ms 1 706 0.17 MB/sec execute 41 sec latency 146.965 ms 1 731 0.17 MB/sec execute 42 sec latency 166.184 ms oleg343-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.17 MB/sec execute 43 sec latency 144.429 ms 1 778 0.17 MB/sec execute 44 sec latency 226.619 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 799 0.16 MB/sec execute 45 sec latency 222.576 ms 1 815 0.16 MB/sec execute 46 sec latency 156.185 ms 1 854 0.16 MB/sec execute 47 sec latency 149.326 ms 1 882 0.16 MB/sec execute 48 sec latency 105.508 ms 1 903 0.15 MB/sec execute 49 sec latency 141.907 ms 1 923 0.15 MB/sec execute 50 sec latency 182.253 ms 1 959 0.15 MB/sec execute 51 sec latency 109.043 ms 1 990 0.15 MB/sec execute 52 sec latency 144.534 ms 1 1041 0.17 MB/sec execute 53 sec latency 100.938 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2148 1269156 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 18300 3585940 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 33636 3567996 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51936 7153936 1% /mnt/lustre 1 1076 0.16 MB/sec execute 54 sec latency 155.999 ms 1 1117 0.16 MB/sec execute 55 sec latency 145.517 ms 1 1147 0.16 MB/sec execute 56 sec latency 126.123 ms 1 1172 0.16 MB/sec execute 57 sec latency 526.084 ms 1 1188 0.15 MB/sec execute 58 sec latency 754.144 ms 1 1217 0.15 MB/sec execute 59 sec latency 174.957 ms 1 1244 0.15 MB/sec execute 60 sec latency 119.963 ms 1 1279 0.15 MB/sec execute 61 sec latency 160.372 ms 1 1390 0.19 MB/sec execute 62 sec latency 139.272 ms 1 1422 0.19 MB/sec execute 63 sec latency 121.323 ms 1 1463 0.19 MB/sec execute 64 sec latency 114.732 ms test_26 fail mds2 2 times 1 1499 0.18 MB/sec execute 65 sec latency 151.431 ms 1 1518 0.18 MB/sec execute 66 sec latency 213.548 ms 1 1552 0.18 MB/sec execute 67 sec latency 169.446 ms Failing mds2 on oleg343-server 1 1572 0.18 MB/sec execute 68 sec latency 179.046 ms Stopping /mnt/lustre-mds2 (opts:) on oleg343-server 1 1609 0.17 MB/sec execute 69 sec latency 119.328 ms 1 1645 0.17 MB/sec execute 70 sec latency 211.619 ms 1 1676 0.17 MB/sec execute 71 sec latency 191.577 ms 1 1698 0.17 MB/sec execute 72 sec latency 179.800 ms 1 1736 0.17 MB/sec execute 73 sec latency 128.732 ms 09:39:08 (1787578748) shut down 1 1770 0.16 MB/sec execute 74 sec latency 165.769 ms facet: mds2 facet_host: oleg343-server facet_failover_host: oleg343-server 1 1813 0.16 MB/sec execute 75 sec latency 223.438 ms 1 1843 0.16 MB/sec execute 76 sec latency 105.889 ms 1 1871 0.16 MB/sec execute 77 sec latency 207.616 ms 1 1908 0.16 MB/sec execute 78 sec latency 167.539 ms 1 1965 0.16 MB/sec execute 79 sec latency 144.893 ms 1 2010 0.16 MB/sec execute 80 sec latency 121.279 ms 1 2060 0.15 MB/sec execute 81 sec latency 111.712 ms 1 2111 0.15 MB/sec execute 82 sec latency 145.667 ms 1 2156 0.15 MB/sec execute 83 sec latency 138.620 ms 1 2191 0.15 MB/sec execute 84 sec latency 109.270 ms Failover mds2 to oleg343-server mount facets: mds2 1 2226 0.15 MB/sec execute 85 sec latency 154.894 ms 1 2259 0.15 MB/sec execute 86 sec latency 501.016 ms 1 2259 0.15 MB/sec execute 87 sec latency 1501.186 ms 1 2259 0.14 MB/sec execute 88 sec latency 2502.925 ms 1 2259 0.14 MB/sec execute 89 sec latency 3503.136 ms 1 2259 0.14 MB/sec execute 90 sec latency 4503.444 ms 1 2259 0.14 MB/sec execute 91 sec latency 5503.696 ms 1 2259 0.14 MB/sec execute 92 sec latency 6505.503 ms 1 2259 0.14 MB/sec execute 93 sec latency 7505.729 ms 1 2259 0.13 MB/sec execute 94 sec latency 8506.108 ms 1 2259 0.13 MB/sec execute 95 sec latency 9506.311 ms 1 2259 0.13 MB/sec execute 96 sec latency 10506.795 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 97 sec latency 11509.093 ms 1 2259 0.13 MB/sec execute 98 sec latency 12509.294 ms 1 2259 0.13 MB/sec execute 99 sec latency 13509.609 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg343-server: oleg343-server.virtnet: executing set_default_debug -1 all 1 cleanup 104 sec pdsh@oleg343-client: oleg343-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 09:39:40 (1787578780) targets are mounted 09:39:40 (1787578780) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 0 cleanup 111 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 333 254.846 38945.443 Close 289 16.376 78.192 Rename 11 139.180 222.547 Unlink 30 37.793 91.634 Qpathinfo 295 22.331 195.753 Qfileinfo 82 2.747 21.619 Qfsinfo 33 4.892 29.610 Sfileinfo 34 81.050 182.234 Find 92 15.792 49.234 WriteX 286 15.603 100.034 ReadX 348 3.519 141.401 Flush 30 65.924 170.575 Throughput 0.128044 MB/sec 1 clients 1 procs max_latency=38945.466 ms stopping dbench on /mnt/lustre at Mon Aug 24 09:39:45 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench oleg343-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Aug 24 09:39:59 EDT 2026 waiting for dbench pid 67814 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 0 5 0.00 MB/sec warmup 1 sec latency 75.602 ms 1 31 0.52 MB/sec warmup 2 sec latency 104.318 ms 1 57 0.76 MB/sec warmup 3 sec latency 225.809 ms 1 92 1.05 MB/sec warmup 4 sec latency 171.486 ms 1 113 1.05 MB/sec warmup 5 sec latency 291.322 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2388 1268916 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44764 3559784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1852 3604944 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46616 7164728 1% /mnt/lustre 1 129 0.96 MB/sec warmup 6 sec latency 398.948 ms 1 143 0.87 MB/sec warmup 7 sec latency 275.228 ms 1 165 0.85 MB/sec warmup 8 sec latency 223.142 ms 1 181 0.81 MB/sec warmup 9 sec latency 233.321 ms 1 184 0.74 MB/sec warmup 10 sec latency 802.338 ms 1 199 0.71 MB/sec warmup 11 sec latency 1000.229 ms 1 215 0.69 MB/sec warmup 12 sec latency 308.798 ms 1 235 0.69 MB/sec warmup 13 sec latency 248.125 ms 1 255 0.69 MB/sec warmup 14 sec latency 244.073 ms 1 279 0.69 MB/sec warmup 15 sec latency 234.306 ms 1 295 0.68 MB/sec warmup 16 sec latency 288.963 ms 1 320 0.68 MB/sec warmup 17 sec latency 196.068 ms 1 339 0.68 MB/sec warmup 18 sec latency 212.748 ms 1 353 0.66 MB/sec warmup 19 sec latency 330.489 ms 1 406 0.78 MB/sec execute 1 sec latency 237.056 ms test_26 fail mds1 3 times 1 433 0.81 MB/sec execute 2 sec latency 153.712 ms 1 457 0.80 MB/sec execute 3 sec latency 197.283 ms 1 475 0.76 MB/sec execute 4 sec latency 249.189 ms Failing mds1 on oleg343-server 1 498 0.75 MB/sec execute 5 sec latency 204.463 ms 1 513 0.69 MB/sec execute 6 sec latency 257.099 ms Stopping /mnt/lustre-mds1 (opts:) on oleg343-server 1 554 0.79 MB/sec execute 7 sec latency 169.023 ms 1 609 0.92 MB/sec execute 8 sec latency 143.996 ms 1 642 0.83 MB/sec execute 9 sec latency 253.282 ms 1 642 0.75 MB/sec execute 10 sec latency 1253.465 ms 1 642 0.68 MB/sec execute 11 sec latency 2253.723 ms 1 642 0.62 MB/sec execute 12 sec latency 3253.998 ms 1 642 0.58 MB/sec execute 13 sec latency 4254.271 ms 1 642 0.53 MB/sec execute 14 sec latency 5255.122 ms 1 642 0.50 MB/sec execute 15 sec latency 6255.320 ms 1 642 0.47 MB/sec execute 16 sec latency 7255.505 ms 09:40:36 (1787578836) shut down 1 642 0.44 MB/sec execute 17 sec latency 8263.589 ms facet: mds1 facet_host: oleg343-server facet_failover_host: oleg343-server 1 642 0.42 MB/sec execute 18 sec latency 9264.025 ms 1 642 0.39 MB/sec execute 19 sec latency 10264.227 ms 1 642 0.37 MB/sec execute 20 sec latency 11264.445 ms 1 642 0.36 MB/sec execute 21 sec latency 12264.672 ms 1 642 0.34 MB/sec execute 22 sec latency 13265.187 ms 1 642 0.33 MB/sec execute 23 sec latency 14265.980 ms 1 642 0.31 MB/sec execute 24 sec latency 15272.418 ms 1 642 0.30 MB/sec execute 25 sec latency 16272.753 ms 1 642 0.29 MB/sec execute 26 sec latency 17273.052 ms 1 642 0.28 MB/sec execute 27 sec latency 18273.285 ms Failover mds1 to oleg343-server mount facets: mds1 1 642 0.27 MB/sec execute 28 sec latency 19274.322 ms 1 642 0.26 MB/sec execute 29 sec latency 20274.526 ms 1 642 0.25 MB/sec execute 30 sec latency 21274.718 ms 1 642 0.24 MB/sec execute 31 sec latency 22275.848 ms 1 642 0.23 MB/sec execute 32 sec latency 23277.413 ms 1 642 0.23 MB/sec execute 33 sec latency 24280.879 ms 1 642 0.22 MB/sec execute 34 sec latency 25281.022 ms 1 642 0.21 MB/sec execute 35 sec latency 26282.384 ms 1 642 0.21 MB/sec execute 36 sec latency 27282.887 ms 1 642 0.20 MB/sec execute 37 sec latency 28284.433 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 642 0.20 MB/sec execute 38 sec latency 29284.649 ms 1 642 0.19 MB/sec execute 39 sec latency 30285.009 ms 1 642 0.19 MB/sec execute 40 sec latency 31285.227 ms 1 642 0.18 MB/sec execute 41 sec latency 32285.534 ms 1 642 0.18 MB/sec execute 42 sec latency 33285.865 ms 1 642 0.17 MB/sec execute 43 sec latency 34286.077 ms 1 642 0.17 MB/sec execute 44 sec latency 35288.768 ms 1 642 0.17 MB/sec execute 45 sec latency 36293.651 ms 1 642 0.16 MB/sec execute 46 sec latency 37297.934 ms 1 642 0.16 MB/sec execute 47 sec latency 38298.775 ms oleg343-server: oleg343-server.virtnet: executing set_default_debug -1 all 1 642 0.16 MB/sec execute 48 sec latency 39299.238 ms pdsh@oleg343-client: oleg343-server: ssh exited with exit code 1 1 642 0.15 MB/sec execute 49 sec latency 40302.704 ms Started lustre-MDT0000 1 666 0.15 MB/sec execute 50 sec latency 40396.360 ms 09:41:09 (1787578869) targets are mounted 09:41:09 (1787578869) facet_failover done 1 695 0.15 MB/sec execute 51 sec latency 180.505 ms 1 717 0.15 MB/sec execute 52 sec latency 164.124 ms 1 736 0.15 MB/sec execute 53 sec latency 167.590 ms 1 769 0.14 MB/sec execute 54 sec latency 137.758 ms 1 786 0.14 MB/sec execute 55 sec latency 237.113 ms 1 806 0.14 MB/sec execute 56 sec latency 211.434 ms 1 825 0.14 MB/sec execute 57 sec latency 167.338 ms 1 863 0.14 MB/sec execute 58 sec latency 190.457 ms oleg343-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 882 0.14 MB/sec execute 59 sec latency 171.395 ms 1 884 0.13 MB/sec execute 60 sec latency 876.560 ms 1 884 0.13 MB/sec execute 61 sec latency 1877.027 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 900 0.13 MB/sec execute 62 sec latency 1888.032 ms 1 914 0.13 MB/sec execute 63 sec latency 228.890 ms 1 955 0.13 MB/sec execute 64 sec latency 120.977 ms 1 984 0.13 MB/sec execute 65 sec latency 118.967 ms 1 1028 0.14 MB/sec execute 66 sec latency 139.668 ms 1 1084 0.14 MB/sec execute 67 sec latency 126.100 ms 1 1136 0.14 MB/sec execute 68 sec latency 90.099 ms 1 1192 0.14 MB/sec execute 69 sec latency 151.910 ms 1 1227 0.14 MB/sec execute 70 sec latency 86.828 ms 1 1259 0.13 MB/sec execute 71 sec latency 97.277 ms 1 1387 0.17 MB/sec execute 72 sec latency 103.010 ms 1 1421 0.17 MB/sec execute 73 sec latency 93.529 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1467 0.17 MB/sec execute 74 sec latency 124.736 ms 1 1493 0.17 MB/sec execute 75 sec latency 362.000 ms 1 1537 0.16 MB/sec execute 76 sec latency 122.115 ms 1 1570 0.16 MB/sec execute 77 sec latency 84.485 ms 1 1610 0.16 MB/sec execute 78 sec latency 83.226 ms 1 1647 0.16 MB/sec execute 79 sec latency 150.907 ms 1 1689 0.16 MB/sec execute 80 sec latency 139.571 ms 1 1766 0.16 MB/sec execute 81 sec latency 81.994 ms 1 1814 0.16 MB/sec execute 82 sec latency 145.679 ms 1 1861 0.15 MB/sec execute 83 sec latency 117.110 ms 1 1909 0.15 MB/sec execute 84 sec latency 89.148 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 24 09:41:44 EDT 2026 with return code 0 1 1977 0.15 MB/sec execute 85 sec latency 89.672 ms 67814 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67814 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished