== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:52:05 (1788670325) Starting client oleg328-client.virtnet: -o user_xattr,flock 192.168.203.128@tcp:/lustre /mnt/lustre Started clients oleg328-client.virtnet: 192.168.203.128@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 65623 Started dbench loop with 65624 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584772 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190248 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 Sun Sep 6 00:52:11 EDT 2026 waiting for dbench pid 65702 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 14 0.00 MB/sec warmup 1 sec latency 4.215 ms 1 56 1.11 MB/sec warmup 2 sec latency 153.560 ms 1 107 1.68 MB/sec warmup 3 sec latency 140.810 ms 1 137 1.50 MB/sec warmup 4 sec latency 220.996 ms 1 165 1.36 MB/sec warmup 5 sec latency 166.300 ms 1 184 1.23 MB/sec warmup 6 sec latency 307.405 ms 1 199 1.12 MB/sec warmup 7 sec latency 624.798 ms 1 237 1.13 MB/sec warmup 8 sec latency 156.145 ms 1 276 1.14 MB/sec warmup 9 sec latency 138.914 ms test_26 fail mds1 1 times 1 312 1.15 MB/sec warmup 10 sec latency 190.595 ms 1 340 1.11 MB/sec warmup 11 sec latency 141.541 ms Failing mds1 on oleg328-server 1 371 1.10 MB/sec warmup 12 sec latency 243.078 ms Stopping /mnt/lustre-mds1 (opts:) on oleg328-server 1 406 1.10 MB/sec warmup 13 sec latency 135.207 ms 1 420 1.06 MB/sec warmup 14 sec latency 690.846 ms 1 420 0.99 MB/sec warmup 15 sec latency 1691.036 ms 00:52:27 (1788670347) shut down facet: mds1 facet_host: oleg328-server facet_failover_host: oleg328-server 1 420 0.93 MB/sec warmup 16 sec latency 2697.906 ms 1 420 0.87 MB/sec warmup 17 sec latency 3698.100 ms 1 420 0.82 MB/sec warmup 18 sec latency 4699.543 ms 1 420 0.78 MB/sec warmup 19 sec latency 5702.615 ms 1 420 0.00 MB/sec execute 1 sec latency 7707.398 ms 1 420 0.00 MB/sec execute 2 sec latency 8707.624 ms 1 420 0.00 MB/sec execute 3 sec latency 9708.467 ms 1 420 0.00 MB/sec execute 4 sec latency 10708.830 ms 1 420 0.00 MB/sec execute 5 sec latency 11709.107 ms 1 420 0.00 MB/sec execute 6 sec latency 12709.292 ms Failover mds1 to oleg328-server mount facets: mds1 1 420 0.00 MB/sec execute 7 sec latency 13713.766 ms 1 420 0.00 MB/sec execute 8 sec latency 14713.966 ms 1 420 0.00 MB/sec execute 9 sec latency 15714.200 ms 1 420 0.00 MB/sec execute 10 sec latency 16714.407 ms 1 420 0.00 MB/sec execute 11 sec latency 17714.840 ms 1 420 0.00 MB/sec execute 12 sec latency 18717.118 ms 1 420 0.00 MB/sec execute 13 sec latency 19721.370 ms 1 420 0.00 MB/sec execute 14 sec latency 20721.826 ms 1 420 0.00 MB/sec execute 15 sec latency 21722.027 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 420 0.00 MB/sec execute 16 sec latency 22722.605 ms 1 420 0.00 MB/sec execute 17 sec latency 23722.928 ms 1 420 0.00 MB/sec execute 18 sec latency 24723.175 ms 1 420 0.00 MB/sec execute 19 sec latency 25723.788 ms 1 420 0.00 MB/sec execute 20 sec latency 26724.123 ms 1 420 0.00 MB/sec execute 21 sec latency 27724.305 ms 1 420 0.00 MB/sec execute 22 sec latency 28724.774 ms 1 420 0.00 MB/sec execute 23 sec latency 29725.022 ms 1 420 0.00 MB/sec execute 24 sec latency 30726.870 ms 1 420 0.00 MB/sec execute 25 sec latency 31727.218 ms 1 420 0.00 MB/sec execute 26 sec latency 32727.356 ms 1 420 0.00 MB/sec execute 27 sec latency 33728.316 ms 1 420 0.00 MB/sec execute 28 sec latency 34728.502 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 29 sec latency 35732.214 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 30 sec latency 36732.350 ms Started lustre-MDT0000 00:53:02 (1788670382) targets are mounted 00:53:02 (1788670382) facet_failover done 1 420 0.00 MB/sec execute 31 sec latency 37732.507 ms 1 429 0.01 MB/sec execute 32 sec latency 38341.617 ms 1 468 0.05 MB/sec execute 33 sec latency 125.266 ms 1 493 0.07 MB/sec execute 34 sec latency 164.159 ms 1 522 0.09 MB/sec execute 35 sec latency 161.303 ms 1 552 0.12 MB/sec execute 36 sec latency 419.734 ms 1 611 0.16 MB/sec execute 37 sec latency 739.685 ms 1 661 0.17 MB/sec execute 38 sec latency 113.061 ms oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 692 0.16 MB/sec execute 39 sec latency 132.689 ms 1 718 0.16 MB/sec execute 40 sec latency 187.317 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.16 MB/sec execute 41 sec latency 180.147 ms 1 779 0.15 MB/sec execute 42 sec latency 136.009 ms 1 813 0.15 MB/sec execute 43 sec latency 108.771 ms 1 857 0.15 MB/sec execute 44 sec latency 139.491 ms 1 885 0.15 MB/sec execute 45 sec latency 120.138 ms 1 921 0.15 MB/sec execute 46 sec latency 89.724 ms 1 976 0.15 MB/sec execute 47 sec latency 92.007 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34740 3568884 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 18020 3580460 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52760 7149344 1% /mnt/lustre 1 1005 0.15 MB/sec execute 48 sec latency 145.259 ms 1 1064 0.16 MB/sec execute 49 sec latency 75.609 ms 1 1116 0.16 MB/sec execute 50 sec latency 87.177 ms 1 1147 0.16 MB/sec execute 51 sec latency 84.734 ms 1 1172 0.16 MB/sec execute 52 sec latency 373.746 ms 1 1172 0.15 MB/sec execute 53 sec latency 1373.903 ms 1 1208 0.15 MB/sec execute 54 sec latency 1388.173 ms 1 1242 0.15 MB/sec execute 55 sec latency 138.024 ms 1 1268 0.15 MB/sec execute 56 sec latency 124.840 ms 1 1396 0.20 MB/sec execute 57 sec latency 122.810 ms 1 1442 0.19 MB/sec execute 58 sec latency 123.488 ms test_26 fail mds2 2 times 1 1470 0.19 MB/sec execute 59 sec latency 140.580 ms 1 1509 0.19 MB/sec execute 60 sec latency 140.695 ms Failing mds2 on oleg328-server Stopping /mnt/lustre-mds2 (opts:) on oleg328-server 1 1562 0.18 MB/sec execute 61 sec latency 102.953 ms 1 1607 0.18 MB/sec execute 62 sec latency 105.342 ms 1 1647 0.18 MB/sec execute 63 sec latency 123.716 ms 1 1686 0.18 MB/sec execute 64 sec latency 96.806 ms 00:53:36 (1788670416) shut down facet: mds2 facet_host: oleg328-server facet_failover_host: oleg328-server 1 1742 0.18 MB/sec execute 65 sec latency 113.388 ms 1 1797 0.17 MB/sec execute 66 sec latency 111.951 ms 1 1861 0.17 MB/sec execute 67 sec latency 78.155 ms 1 1965 0.17 MB/sec execute 68 sec latency 72.230 ms 1 2012 0.17 MB/sec execute 69 sec latency 186.462 ms 1 2098 0.17 MB/sec execute 70 sec latency 84.382 ms 1 2164 0.17 MB/sec execute 71 sec latency 75.169 ms 1 2251 0.17 MB/sec execute 72 sec latency 83.044 ms 1 2259 0.16 MB/sec execute 73 sec latency 919.051 ms 1 2259 0.16 MB/sec execute 74 sec latency 1919.360 ms 1 2259 0.16 MB/sec execute 75 sec latency 2919.867 ms Failover mds2 to oleg328-server mount facets: mds2 1 2259 0.16 MB/sec execute 76 sec latency 3920.039 ms 1 2259 0.15 MB/sec execute 77 sec latency 4920.695 ms 1 2259 0.15 MB/sec execute 78 sec latency 5922.311 ms 1 2259 0.15 MB/sec execute 79 sec latency 6927.691 ms 1 2259 0.15 MB/sec execute 80 sec latency 7927.854 ms 1 2259 0.15 MB/sec execute 81 sec latency 8932.267 ms 1 2259 0.15 MB/sec execute 82 sec latency 9933.252 ms 1 2259 0.14 MB/sec execute 83 sec latency 10933.845 ms 1 2259 0.14 MB/sec execute 84 sec latency 11934.470 ms 1 2259 0.14 MB/sec execute 85 sec latency 12934.657 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 86 sec latency 13934.875 ms 1 2259 0.14 MB/sec execute 87 sec latency 14935.089 ms 1 2259 0.14 MB/sec execute 88 sec latency 15935.266 ms 1 2259 0.13 MB/sec execute 89 sec latency 16935.477 ms 1 2259 0.13 MB/sec execute 90 sec latency 17935.748 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 91 sec latency 18941.651 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 92 sec latency 19941.888 ms Started lustre-MDT0001 00:54:04 (1788670444) targets are mounted 00:54:04 (1788670444) facet_failover done 1 2259 0.13 MB/sec execute 93 sec latency 20943.485 ms 1 2282 0.13 MB/sec execute 94 sec latency 21749.861 ms 1 2345 0.14 MB/sec execute 95 sec latency 84.747 ms 1 2376 0.14 MB/sec execute 96 sec latency 99.860 ms 1 2406 0.14 MB/sec execute 97 sec latency 141.490 ms 1 2452 0.13 MB/sec execute 98 sec latency 119.049 ms 1 2494 0.14 MB/sec execute 99 sec latency 92.758 ms oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 100 sec 1 cleanup 101 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 364 115.086 21749.848 Close 315 134.205 38341.596 Rename 15 94.386 187.300 Unlink 38 26.014 88.739 Qpathinfo 343 16.483 119.991 Qfileinfo 91 2.303 49.655 Qfsinfo 43 5.089 38.742 Sfileinfo 49 66.283 180.123 Find 116 11.894 59.904 WriteX 320 14.185 92.303 ReadX 427 2.059 82.340 Flush 34 58.736 126.529 Throughput 0.139812 MB/sec 1 clients 1 procs max_latency=38341.617 ms stopping dbench on /mnt/lustre at Sun Sep 6 00:54:15 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3932 3602348 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 22716 3583148 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 26648 7185496 1% /mnt/lustre 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 Sun Sep 6 00:54:23 EDT 2026 waiting for dbench pid 67889 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 21 0.45 MB/sec warmup 1 sec latency 23.224 ms 1 50 1.04 MB/sec warmup 2 sec latency 638.746 ms 1 51 0.70 MB/sec warmup 3 sec latency 1617.508 ms 1 103 1.19 MB/sec warmup 4 sec latency 116.499 ms 1 139 1.20 MB/sec warmup 5 sec latency 182.326 ms 1 173 1.17 MB/sec warmup 6 sec latency 198.149 ms test_26 fail mds1 3 times 1 198 1.12 MB/sec warmup 7 sec latency 354.343 ms Failing mds1 on oleg328-server 1 231 1.11 MB/sec warmup 8 sec latency 122.993 ms Stopping /mnt/lustre-mds1 (opts:) on oleg328-server 1 269 1.12 MB/sec warmup 9 sec latency 136.754 ms 1 297 1.09 MB/sec warmup 10 sec latency 171.829 ms 1 339 1.11 MB/sec warmup 11 sec latency 215.327 ms 1 339 1.02 MB/sec warmup 12 sec latency 1217.292 ms 1 339 0.94 MB/sec warmup 13 sec latency 2217.526 ms 1 339 0.87 MB/sec warmup 14 sec latency 3217.698 ms 1 339 0.82 MB/sec warmup 15 sec latency 4217.916 ms 1 339 0.77 MB/sec warmup 16 sec latency 5224.315 ms 1 339 0.72 MB/sec warmup 17 sec latency 6224.457 ms 1 339 0.68 MB/sec warmup 18 sec latency 7226.752 ms 00:54:41 (1788670481) shut down facet: mds1 facet_host: oleg328-server facet_failover_host: oleg328-server 1 339 0.64 MB/sec warmup 19 sec latency 8228.474 ms 1 339 0.00 MB/sec execute 1 sec latency 10228.859 ms 1 339 0.00 MB/sec execute 2 sec latency 11229.580 ms 1 339 0.00 MB/sec execute 3 sec latency 12229.776 ms 1 339 0.00 MB/sec execute 4 sec latency 13230.765 ms 1 339 0.00 MB/sec execute 5 sec latency 14230.984 ms 1 339 0.00 MB/sec execute 6 sec latency 15231.166 ms 1 339 0.00 MB/sec execute 7 sec latency 16231.678 ms 1 339 0.00 MB/sec execute 8 sec latency 17231.936 ms Failover mds1 to oleg328-server mount facets: mds1 1 339 0.00 MB/sec execute 9 sec latency 18232.066 ms 1 339 0.00 MB/sec execute 10 sec latency 19233.875 ms 1 339 0.00 MB/sec execute 11 sec latency 20234.649 ms 1 339 0.00 MB/sec execute 12 sec latency 21234.890 ms 1 339 0.00 MB/sec execute 13 sec latency 22236.023 ms 1 339 0.00 MB/sec execute 14 sec latency 23236.304 ms 1 339 0.00 MB/sec execute 15 sec latency 24240.670 ms 1 339 0.00 MB/sec execute 16 sec latency 25241.749 ms 1 339 0.00 MB/sec execute 17 sec latency 26241.911 ms 1 339 0.00 MB/sec execute 18 sec latency 27242.122 ms 1 339 0.00 MB/sec execute 19 sec latency 28242.285 ms 1 339 0.00 MB/sec execute 20 sec latency 29242.468 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 21 sec latency 30242.782 ms 1 339 0.00 MB/sec execute 22 sec latency 31242.983 ms 1 339 0.00 MB/sec execute 23 sec latency 32243.180 ms 1 339 0.00 MB/sec execute 24 sec latency 33244.195 ms 1 339 0.00 MB/sec execute 25 sec latency 34244.418 ms 1 339 0.00 MB/sec execute 26 sec latency 35244.596 ms 1 339 0.00 MB/sec execute 27 sec latency 36244.741 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 28 sec latency 37244.917 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 29 sec latency 38245.110 ms Started lustre-MDT0000 00:55:13 (1788670513) targets are mounted 00:55:13 (1788670513) facet_failover done 1 349 0.01 MB/sec execute 30 sec latency 38893.889 ms 1 374 0.03 MB/sec execute 31 sec latency 328.579 ms 1 416 0.07 MB/sec execute 32 sec latency 114.202 ms 1 459 0.12 MB/sec execute 33 sec latency 114.394 ms 1 503 0.15 MB/sec execute 34 sec latency 142.079 ms 1 566 0.20 MB/sec execute 35 sec latency 131.193 ms oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 639 0.24 MB/sec execute 36 sec latency 131.735 ms 1 671 0.24 MB/sec execute 37 sec latency 192.461 ms 1 695 0.23 MB/sec execute 38 sec latency 139.230 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 726 0.23 MB/sec execute 39 sec latency 163.446 ms 1 747 0.23 MB/sec execute 40 sec latency 146.981 ms 1 794 0.22 MB/sec execute 41 sec latency 100.450 ms 1 825 0.22 MB/sec execute 42 sec latency 95.980 ms 1 877 0.22 MB/sec execute 43 sec latency 146.847 ms 1 909 0.22 MB/sec execute 44 sec latency 141.238 ms 1 932 0.21 MB/sec execute 45 sec latency 147.541 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2848 1268456 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2548 1268756 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36796 3563876 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 25400 3578764 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 62196 7142640 1% /mnt/lustre 1 967 0.21 MB/sec execute 46 sec latency 113.948 ms 1 990 0.21 MB/sec execute 47 sec latency 120.513 ms 1 1035 0.22 MB/sec execute 48 sec latency 342.044 ms 1 1038 0.22 MB/sec execute 49 sec latency 1189.440 ms 1 1074 0.21 MB/sec execute 50 sec latency 95.805 ms 1 1105 0.21 MB/sec execute 51 sec latency 98.040 ms 1 1146 0.21 MB/sec execute 52 sec latency 118.890 ms 1 1177 0.20 MB/sec execute 53 sec latency 148.697 ms 1 1200 0.20 MB/sec execute 54 sec latency 139.242 ms 1 1235 0.20 MB/sec execute 55 sec latency 99.796 ms 1 1274 0.19 MB/sec execute 56 sec latency 121.059 ms test_26 fail mds2 4 times 1 1406 0.24 MB/sec execute 57 sec latency 125.249 ms 1 1446 0.24 MB/sec execute 58 sec latency 96.466 ms 1 1481 0.23 MB/sec execute 59 sec latency 134.642 ms Failing mds2 on oleg328-server 1 1504 0.23 MB/sec execute 60 sec latency 198.823 ms Stopping /mnt/lustre-mds2 (opts:) on oleg328-server 1 1540 0.23 MB/sec execute 61 sec latency 120.256 ms 1 1593 0.22 MB/sec execute 62 sec latency 95.514 ms 1 1653 0.22 MB/sec execute 63 sec latency 96.835 ms 1 1706 0.22 MB/sec execute 64 sec latency 118.225 ms 1 1770 0.22 MB/sec execute 65 sec latency 94.961 ms 1 1840 0.21 MB/sec execute 66 sec latency 68.329 ms 1 1886 0.21 MB/sec execute 67 sec latency 94.399 ms 1 1972 0.21 MB/sec execute 68 sec latency 84.470 ms 1 2004 0.21 MB/sec execute 69 sec latency 116.750 ms 1 2043 0.20 MB/sec execute 70 sec latency 94.599 ms 00:55:54 (1788670554) shut down facet: mds2 facet_host: oleg328-server facet_failover_host: oleg328-server 1 2098 0.20 MB/sec execute 71 sec latency 110.486 ms 1 2164 0.20 MB/sec execute 72 sec latency 104.263 ms 1 2230 0.20 MB/sec execute 73 sec latency 85.339 ms 1 2259 0.20 MB/sec execute 74 sec latency 804.439 ms 1 2259 0.19 MB/sec execute 75 sec latency 1804.630 ms 1 2259 0.19 MB/sec execute 76 sec latency 2804.801 ms 1 2259 0.19 MB/sec execute 77 sec latency 3805.650 ms 1 2259 0.19 MB/sec execute 78 sec latency 4805.880 ms 1 2259 0.18 MB/sec execute 79 sec latency 5810.303 ms 1 2259 0.18 MB/sec execute 80 sec latency 6811.340 ms Failover mds2 to oleg328-server mount facets: mds2 1 2259 0.18 MB/sec execute 81 sec latency 7811.713 ms 1 2259 0.18 MB/sec execute 82 sec latency 8811.965 ms 1 2259 0.17 MB/sec execute 83 sec latency 9812.141 ms 1 2259 0.17 MB/sec execute 84 sec latency 10821.443 ms 1 2259 0.17 MB/sec execute 85 sec latency 11821.626 ms 1 2259 0.17 MB/sec execute 86 sec latency 12821.878 ms 1 2259 0.17 MB/sec execute 87 sec latency 13822.066 ms 1 2259 0.16 MB/sec execute 88 sec latency 14822.278 ms 1 2259 0.16 MB/sec execute 89 sec latency 15824.151 ms 1 2259 0.16 MB/sec execute 90 sec latency 16828.525 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.16 MB/sec execute 91 sec latency 17832.138 ms 1 2259 0.16 MB/sec execute 92 sec latency 18832.770 ms 1 2259 0.16 MB/sec execute 93 sec latency 19832.970 ms 1 2259 0.15 MB/sec execute 94 sec latency 20835.209 ms 1 2259 0.15 MB/sec execute 95 sec latency 21835.384 ms 1 2259 0.15 MB/sec execute 96 sec latency 22838.259 ms 1 2259 0.15 MB/sec execute 97 sec latency 23838.473 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 2259 0.15 MB/sec execute 98 sec latency 24839.533 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 2259 0.15 MB/sec execute 99 sec latency 25839.707 ms Started lustre-MDT0001 00:56:23 (1788670583) targets are mounted 00:56:23 (1788670583) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 343 250.377 38893.875 Close 297 12.220 52.473 Rename 11 104.924 148.678 Unlink 30 23.983 50.084 Qpathinfo 297 17.640 134.620 Qfileinfo 89 1.968 14.420 Qfsinfo 35 5.118 35.206 Sfileinfo 34 69.197 139.230 Find 93 13.195 71.829 WriteX 335 13.541 104.241 ReadX 362 2.082 94.435 Flush 30 63.083 198.805 Throughput 0.146503 MB/sec 1 clients 1 procs max_latency=38893.889 ms stopping dbench on /mnt/lustre at Sun Sep 6 00:56:27 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg328-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 Sun Sep 6 00:56:36 EDT 2026 waiting for dbench pid 69945 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 27 0.85 MB/sec warmup 1 sec latency 22.410 ms 1 100 2.29 MB/sec warmup 2 sec latency 88.195 ms 1 140 2.01 MB/sec warmup 3 sec latency 197.978 ms 1 181 1.83 MB/sec warmup 4 sec latency 130.835 ms 1 199 1.57 MB/sec warmup 5 sec latency 467.220 ms 1 248 1.57 MB/sec warmup 6 sec latency 117.816 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 297 1.56 MB/sec warmup 7 sec latency 109.475 ms 1 339 1.53 MB/sec warmup 8 sec latency 164.418 ms 1 381 1.51 MB/sec warmup 9 sec latency 130.969 ms 1 421 1.48 MB/sec warmup 10 sec latency 151.911 ms 1 464 1.47 MB/sec warmup 11 sec latency 100.918 ms 1 511 1.48 MB/sec warmup 12 sec latency 126.274 ms 1 570 1.47 MB/sec warmup 13 sec latency 176.262 ms 1 655 1.50 MB/sec warmup 14 sec latency 86.037 ms 1 697 1.41 MB/sec warmup 15 sec latency 130.576 ms 1 734 1.33 MB/sec warmup 16 sec latency 116.594 ms 1 786 1.26 MB/sec warmup 17 sec latency 79.773 ms 1 821 1.19 MB/sec warmup 18 sec latency 107.395 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 6 00:56:54 EDT 2026 with return code 0 69945 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69945 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished