== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:44:01 (1788943441) Starting client oleg114-client.virtnet: -o user_xattr,flock 192.168.201.114@tcp:/lustre /mnt/lustre Started clients oleg114-client.virtnet: 192.168.201.114@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 45239 Started dbench loop with 45240 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7492608 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 Wed Sep 9 04:44:07 EDT 2026 waiting for dbench pid 45308 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 24 0.65 MB/sec warmup 1 sec latency 58.076 ms 1 80 1.76 MB/sec warmup 2 sec latency 134.040 ms 1 114 1.74 MB/sec warmup 3 sec latency 184.552 ms 1 157 1.63 MB/sec warmup 4 sec latency 150.510 ms test_26 fail mds1 1 times 1 189 1.51 MB/sec warmup 5 sec latency 144.774 ms 1 216 1.39 MB/sec warmup 6 sec latency 178.084 ms 1 245 1.33 MB/sec warmup 7 sec latency 147.603 ms Failing mds1 on oleg114-server 1 271 1.27 MB/sec warmup 8 sec latency 220.571 ms Stopping /mnt/lustre-mds1 (opts:) on oleg114-server 1 290 1.18 MB/sec warmup 9 sec latency 198.670 ms 1 315 1.14 MB/sec warmup 10 sec latency 303.293 ms 1 315 1.04 MB/sec warmup 11 sec latency 1303.734 ms 1 315 0.95 MB/sec warmup 12 sec latency 2303.882 ms 1 315 0.88 MB/sec warmup 13 sec latency 3305.148 ms 04:44:21 (1788943461) shut down facet: mds1 facet_host: oleg114-server facet_failover_host: oleg114-server 1 315 0.82 MB/sec warmup 14 sec latency 4306.004 ms 1 315 0.76 MB/sec warmup 15 sec latency 5307.366 ms 1 315 0.72 MB/sec warmup 16 sec latency 6308.501 ms 1 315 0.67 MB/sec warmup 17 sec latency 7313.647 ms 1 315 0.64 MB/sec warmup 18 sec latency 8313.866 ms 1 315 0.60 MB/sec warmup 19 sec latency 9314.430 ms 1 315 0.00 MB/sec execute 1 sec latency 11314.810 ms 1 315 0.00 MB/sec execute 2 sec latency 12315.334 ms 1 315 0.00 MB/sec execute 3 sec latency 13318.373 ms Failover mds1 to oleg114-server mount facets: mds1 1 315 0.00 MB/sec execute 4 sec latency 14325.647 ms 1 315 0.00 MB/sec execute 5 sec latency 15327.294 ms 1 315 0.00 MB/sec execute 6 sec latency 16327.896 ms 1 315 0.00 MB/sec execute 7 sec latency 17328.829 ms 1 315 0.00 MB/sec execute 8 sec latency 18329.186 ms 1 315 0.00 MB/sec execute 9 sec latency 19332.415 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 10 sec latency 20332.945 ms 1 315 0.00 MB/sec execute 11 sec latency 21333.628 ms 1 315 0.00 MB/sec execute 12 sec latency 22334.110 ms 1 315 0.00 MB/sec execute 13 sec latency 23335.829 ms 1 315 0.00 MB/sec execute 14 sec latency 24336.332 ms 1 315 0.00 MB/sec execute 15 sec latency 25338.999 ms 1 315 0.00 MB/sec execute 16 sec latency 26341.359 ms 1 315 0.00 MB/sec execute 17 sec latency 27342.638 ms 1 315 0.00 MB/sec execute 18 sec latency 28342.831 ms 1 315 0.00 MB/sec execute 19 sec latency 29345.432 ms 1 315 0.00 MB/sec execute 20 sec latency 30345.713 ms 1 315 0.00 MB/sec execute 21 sec latency 31348.802 ms 1 315 0.00 MB/sec execute 22 sec latency 32349.653 ms 1 315 0.00 MB/sec execute 23 sec latency 33349.986 ms 1 315 0.00 MB/sec execute 24 sec latency 34350.435 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 25 sec latency 35351.566 ms 1 315 0.00 MB/sec execute 26 sec latency 36351.816 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 27 sec latency 37358.695 ms Started lustre-MDT0000 04:44:55 (1788943495) targets are mounted 04:44:55 (1788943495) facet_failover done 1 315 0.00 MB/sec execute 28 sec latency 38358.996 ms 1 315 0.00 MB/sec execute 29 sec latency 39359.184 ms 1 315 0.00 MB/sec execute 30 sec latency 40359.792 ms 1 315 0.00 MB/sec execute 31 sec latency 41360.471 ms 1 315 0.00 MB/sec execute 32 sec latency 42360.869 ms 1 315 0.00 MB/sec execute 33 sec latency 43361.151 ms 1 331 0.02 MB/sec execute 34 sec latency 43715.599 ms 1 364 0.04 MB/sec execute 35 sec latency 164.565 ms 1 397 0.07 MB/sec execute 36 sec latency 151.937 ms 1 429 0.10 MB/sec execute 37 sec latency 163.572 ms 1 461 0.12 MB/sec execute 38 sec latency 172.906 ms 1 485 0.14 MB/sec execute 39 sec latency 239.659 ms oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.15 MB/sec execute 40 sec latency 227.677 ms 1 523 0.16 MB/sec execute 41 sec latency 238.435 ms 1 597 0.22 MB/sec execute 42 sec latency 187.888 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 648 0.22 MB/sec execute 43 sec latency 124.305 ms 1 669 0.22 MB/sec execute 44 sec latency 324.974 ms 1 695 0.22 MB/sec execute 45 sec latency 137.557 ms 1 713 0.21 MB/sec execute 46 sec latency 169.730 ms 1 731 0.21 MB/sec execute 47 sec latency 315.892 ms 1 767 0.21 MB/sec execute 48 sec latency 124.795 ms 1 789 0.20 MB/sec execute 49 sec latency 223.518 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3676160 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3706880 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7383040 1% /mnt/lustre 1 801 0.20 MB/sec execute 50 sec latency 394.461 ms 1 825 0.20 MB/sec execute 51 sec latency 212.378 ms 1 873 0.20 MB/sec execute 52 sec latency 159.525 ms 1 885 0.19 MB/sec execute 53 sec latency 306.676 ms 1 904 0.19 MB/sec execute 54 sec latency 186.278 ms 1 933 0.19 MB/sec execute 55 sec latency 172.330 ms 1 972 0.18 MB/sec execute 56 sec latency 118.240 ms 1 1008 0.19 MB/sec execute 57 sec latency 245.186 ms test_26 fail mds1 2 times 1 1071 0.20 MB/sec execute 58 sec latency 114.457 ms 1 1118 0.19 MB/sec execute 59 sec latency 107.091 ms Failing mds1 on oleg114-server 1 1145 0.19 MB/sec execute 60 sec latency 108.540 ms Stopping /mnt/lustre-mds1 (opts:) on oleg114-server 1 1179 0.19 MB/sec execute 61 sec latency 109.440 ms 1 1201 0.19 MB/sec execute 62 sec latency 247.316 ms 1 1201 0.18 MB/sec execute 63 sec latency 1249.016 ms 1 1201 0.18 MB/sec execute 64 sec latency 2250.865 ms 04:45:32 (1788943532) shut down facet: mds1 facet_host: oleg114-server facet_failover_host: oleg114-server 1 1201 0.18 MB/sec execute 65 sec latency 3255.194 ms 1 1201 0.17 MB/sec execute 66 sec latency 4255.415 ms 1 1201 0.17 MB/sec execute 67 sec latency 5255.751 ms 1 1201 0.17 MB/sec execute 68 sec latency 6260.180 ms 1 1201 0.17 MB/sec execute 69 sec latency 7260.406 ms 1 1201 0.16 MB/sec execute 70 sec latency 8261.595 ms 1 1201 0.16 MB/sec execute 71 sec latency 9262.009 ms 1 1201 0.16 MB/sec execute 72 sec latency 10262.386 ms 1 1201 0.16 MB/sec execute 73 sec latency 11262.631 ms 1 1201 0.16 MB/sec execute 74 sec latency 12262.873 ms 1 1201 0.15 MB/sec execute 75 sec latency 13263.094 ms Failover mds1 to oleg114-server mount facets: mds1 1 1201 0.15 MB/sec execute 76 sec latency 14264.062 ms 1 1201 0.15 MB/sec execute 77 sec latency 15264.296 ms 1 1201 0.15 MB/sec execute 78 sec latency 16264.565 ms 1 1201 0.15 MB/sec execute 79 sec latency 17264.789 ms 1 1201 0.14 MB/sec execute 80 sec latency 18265.149 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1201 0.14 MB/sec execute 81 sec latency 19265.521 ms 1 1201 0.14 MB/sec execute 82 sec latency 20265.913 ms 1 1201 0.14 MB/sec execute 83 sec latency 21266.184 ms 1 1201 0.14 MB/sec execute 84 sec latency 22266.563 ms 1 1201 0.14 MB/sec execute 85 sec latency 23269.400 ms 1 1201 0.13 MB/sec execute 86 sec latency 24271.030 ms 1 1201 0.13 MB/sec execute 87 sec latency 25271.318 ms 1 1201 0.13 MB/sec execute 88 sec latency 26271.899 ms 1 1201 0.13 MB/sec execute 89 sec latency 27272.287 ms 1 1201 0.13 MB/sec execute 90 sec latency 28274.646 ms 1 1201 0.13 MB/sec execute 91 sec latency 29277.959 ms 1 1201 0.13 MB/sec execute 92 sec latency 30278.853 ms 1 1201 0.12 MB/sec execute 93 sec latency 31279.007 ms 1 1201 0.12 MB/sec execute 94 sec latency 32280.929 ms 1 1201 0.12 MB/sec execute 95 sec latency 33281.620 ms 1 1201 0.12 MB/sec execute 96 sec latency 34282.555 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 1201 0.12 MB/sec execute 97 sec latency 35282.774 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 1201 0.12 MB/sec execute 98 sec latency 36283.046 ms Started lustre-MDT0000 1 1201 0.12 MB/sec execute 99 sec latency 37283.215 ms 04:46:07 (1788943567) targets are mounted 04:46:07 (1788943567) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 125 441.346 43715.580 Close 115 15.221 46.000 Rename 8 116.168 186.248 Unlink 13 32.513 52.078 Qpathinfo 73 607.402 42401.892 Qfileinfo 54 1.952 10.111 Qfsinfo 28 4.546 34.404 Sfileinfo 27 78.070 149.038 Find 36 7.675 76.718 WriteX 261 17.068 105.419 ReadX 123 5.245 118.222 Flush 24 174.554 394.442 Throughput 0.116623 MB/sec 1 clients 1 procs max_latency=43715.599 ms stopping dbench on /mnt/lustre at Wed Sep 9 04:46:17 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 Wed Sep 9 04:46:25 EDT 2026 waiting for dbench pid 47273 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 32 1.05 MB/sec warmup 1 sec latency 97.378 ms 1 94 2.08 MB/sec warmup 2 sec latency 119.255 ms 1 129 1.91 MB/sec warmup 3 sec latency 282.597 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 30720 3716096 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7455744 1% /mnt/lustre 1 157 1.63 MB/sec warmup 4 sec latency 173.611 ms 1 184 1.47 MB/sec warmup 5 sec latency 204.494 ms 1 206 1.35 MB/sec warmup 6 sec latency 207.171 ms 1 230 1.27 MB/sec warmup 7 sec latency 200.115 ms 1 263 1.24 MB/sec warmup 8 sec latency 156.695 ms 1 290 1.19 MB/sec warmup 9 sec latency 196.307 ms 1 327 1.18 MB/sec warmup 10 sec latency 175.825 ms test_26 fail mds1 3 times 1 349 1.13 MB/sec warmup 11 sec latency 292.184 ms 1 373 1.11 MB/sec warmup 12 sec latency 245.541 ms 1 400 1.08 MB/sec warmup 13 sec latency 159.604 ms Failing mds1 on oleg114-server 1 421 1.06 MB/sec warmup 14 sec latency 249.093 ms 1 453 1.06 MB/sec warmup 15 sec latency 178.821 ms Stopping /mnt/lustre-mds1 (opts:) on oleg114-server 1 484 1.06 MB/sec warmup 16 sec latency 149.273 ms 1 501 1.03 MB/sec warmup 17 sec latency 371.862 ms 1 501 0.97 MB/sec warmup 18 sec latency 1374.565 ms 1 501 0.92 MB/sec warmup 19 sec latency 2376.653 ms 04:46:45 (1788943605) shut down facet: mds1 facet_host: oleg114-server facet_failover_host: oleg114-server 1 501 0.00 MB/sec execute 1 sec latency 4380.431 ms 1 501 0.00 MB/sec execute 2 sec latency 5381.034 ms 1 501 0.00 MB/sec execute 3 sec latency 6382.631 ms 1 501 0.00 MB/sec execute 4 sec latency 7382.879 ms 1 501 0.00 MB/sec execute 5 sec latency 8383.109 ms 1 501 0.00 MB/sec execute 6 sec latency 9386.064 ms 1 501 0.00 MB/sec execute 7 sec latency 10393.327 ms 1 501 0.00 MB/sec execute 8 sec latency 11393.855 ms 1 501 0.00 MB/sec execute 9 sec latency 12394.104 ms 1 501 0.00 MB/sec execute 10 sec latency 13396.498 ms Failover mds1 to oleg114-server 1 501 0.00 MB/sec execute 11 sec latency 14398.141 ms mount facets: mds1 1 501 0.00 MB/sec execute 12 sec latency 15398.898 ms 1 501 0.00 MB/sec execute 13 sec latency 16399.257 ms 1 501 0.00 MB/sec execute 14 sec latency 17399.556 ms 1 501 0.00 MB/sec execute 15 sec latency 18399.836 ms 1 501 0.00 MB/sec execute 16 sec latency 19400.360 ms 1 501 0.00 MB/sec execute 17 sec latency 20401.491 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 501 0.00 MB/sec execute 18 sec latency 21403.267 ms 1 501 0.00 MB/sec execute 19 sec latency 22403.507 ms 1 501 0.00 MB/sec execute 20 sec latency 23405.064 ms 1 501 0.00 MB/sec execute 21 sec latency 24408.292 ms 1 501 0.00 MB/sec execute 22 sec latency 25410.939 ms 1 501 0.00 MB/sec execute 23 sec latency 26411.197 ms 1 501 0.00 MB/sec execute 24 sec latency 27411.445 ms 1 501 0.00 MB/sec execute 25 sec latency 28417.420 ms 1 501 0.00 MB/sec execute 26 sec latency 29417.743 ms 1 501 0.00 MB/sec execute 27 sec latency 30418.020 ms 1 501 0.00 MB/sec execute 28 sec latency 31418.287 ms 1 501 0.00 MB/sec execute 29 sec latency 32418.562 ms 1 501 0.00 MB/sec execute 30 sec latency 33418.812 ms 1 501 0.00 MB/sec execute 31 sec latency 34419.104 ms 1 501 0.00 MB/sec execute 32 sec latency 35422.772 ms 1 501 0.00 MB/sec execute 33 sec latency 36423.080 ms 1 501 0.00 MB/sec execute 34 sec latency 37423.557 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 35 sec latency 38423.855 ms 1 501 0.00 MB/sec execute 36 sec latency 39425.872 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 37 sec latency 40428.594 ms Started lustre-MDT0000 04:47:23 (1788943643) targets are mounted 04:47:23 (1788943643) facet_failover done 1 501 0.00 MB/sec execute 38 sec latency 41428.979 ms 1 501 0.00 MB/sec execute 39 sec latency 42429.507 ms 1 539 0.04 MB/sec execute 40 sec latency 42452.958 ms 1 588 0.07 MB/sec execute 41 sec latency 292.585 ms 1 649 0.09 MB/sec execute 42 sec latency 98.455 ms 1 669 0.09 MB/sec execute 43 sec latency 377.232 ms 1 702 0.08 MB/sec execute 44 sec latency 108.979 ms 1 728 0.09 MB/sec execute 45 sec latency 212.806 ms oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 747 0.08 MB/sec execute 46 sec latency 153.851 ms 1 779 0.08 MB/sec execute 47 sec latency 164.829 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.08 MB/sec execute 48 sec latency 440.388 ms 1 811 0.08 MB/sec execute 49 sec latency 201.882 ms 1 848 0.08 MB/sec execute 50 sec latency 186.962 ms 1 873 0.08 MB/sec execute 51 sec latency 231.135 ms 1 881 0.08 MB/sec execute 52 sec latency 473.424 ms 1 902 0.08 MB/sec execute 53 sec latency 160.489 ms 1 916 0.08 MB/sec execute 54 sec latency 393.727 ms 1 952 0.08 MB/sec execute 55 sec latency 129.216 ms 1 980 0.08 MB/sec execute 56 sec latency 157.873 ms 1 1038 0.09 MB/sec execute 57 sec latency 204.024 ms 1 1086 0.09 MB/sec execute 58 sec latency 109.332 ms 1 1145 0.09 MB/sec execute 59 sec latency 79.838 ms 1 1188 0.09 MB/sec execute 60 sec latency 124.156 ms 1 1216 0.09 MB/sec execute 61 sec latency 116.517 ms 1 1242 0.09 MB/sec execute 62 sec latency 202.058 ms 1 1278 0.09 MB/sec execute 63 sec latency 115.550 ms 1 1403 0.13 MB/sec execute 64 sec latency 84.398 ms 1 1443 0.13 MB/sec execute 65 sec latency 134.475 ms 1 1485 0.13 MB/sec execute 66 sec latency 309.221 ms dbench killed by signal 15 1 1523 0.13 MB/sec execute 67 sec latency 93.568 ms stopping dbench on /mnt/lustre at Wed Sep 9 04:47:52 EDT 2026 with return code 0 47273 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47273 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished