== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:08:25 (1788833305) Starting client oleg137-client.virtnet: -o user_xattr,flock 192.168.201.137@tcp:/lustre /mnt/lustre Started clients oleg137-client.virtnet: 192.168.201.137@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 45160 Started dbench loop with 45161 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 6144 3733504 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7498752 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 Sep 7 22:08:32 EDT 2026 waiting for dbench pid 45231 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 74.906 ms 1 89 2.06 MB/sec warmup 2 sec latency 161.300 ms 1 129 1.92 MB/sec warmup 3 sec latency 164.221 ms 1 160 1.63 MB/sec warmup 4 sec latency 144.242 ms test_26 fail mds1 1 times 1 193 1.53 MB/sec warmup 5 sec latency 218.399 ms 1 216 1.39 MB/sec warmup 6 sec latency 176.700 ms 1 243 1.31 MB/sec warmup 7 sec latency 208.536 ms Failing mds1 on oleg137-server 1 271 1.27 MB/sec warmup 8 sec latency 184.121 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 297 1.22 MB/sec warmup 9 sec latency 201.445 ms 1 315 1.15 MB/sec warmup 10 sec latency 238.896 ms 1 315 1.04 MB/sec warmup 11 sec latency 1241.350 ms 1 315 0.96 MB/sec warmup 12 sec latency 2244.732 ms 22:08:45 (1788833325) shut down 1 315 0.88 MB/sec warmup 13 sec latency 3246.703 ms facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 315 0.82 MB/sec warmup 14 sec latency 4248.026 ms 1 315 0.76 MB/sec warmup 15 sec latency 5248.347 ms 1 315 0.72 MB/sec warmup 16 sec latency 6248.859 ms 1 315 0.67 MB/sec warmup 17 sec latency 7250.229 ms 1 315 0.64 MB/sec warmup 18 sec latency 8250.522 ms 1 315 0.60 MB/sec warmup 19 sec latency 9250.934 ms 1 315 0.00 MB/sec execute 1 sec latency 11260.014 ms 1 315 0.00 MB/sec execute 2 sec latency 12260.565 ms 1 315 0.00 MB/sec execute 3 sec latency 13262.148 ms Failover mds1 to oleg137-server mount facets: mds1 1 315 0.00 MB/sec execute 4 sec latency 14264.013 ms 1 315 0.00 MB/sec execute 5 sec latency 15267.467 ms 1 315 0.00 MB/sec execute 6 sec latency 16268.548 ms 1 315 0.00 MB/sec execute 7 sec latency 17268.771 ms 1 315 0.00 MB/sec execute 8 sec latency 18268.945 ms 1 315 0.00 MB/sec execute 9 sec latency 19269.211 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 10 sec latency 20277.926 ms 1 315 0.00 MB/sec execute 11 sec latency 21280.097 ms 1 315 0.00 MB/sec execute 12 sec latency 22281.049 ms 1 315 0.00 MB/sec execute 13 sec latency 23281.824 ms 1 315 0.00 MB/sec execute 14 sec latency 24282.097 ms 1 315 0.00 MB/sec execute 15 sec latency 25282.552 ms 1 315 0.00 MB/sec execute 16 sec latency 26283.038 ms 1 315 0.00 MB/sec execute 17 sec latency 27285.678 ms 1 315 0.00 MB/sec execute 18 sec latency 28289.612 ms 1 315 0.00 MB/sec execute 19 sec latency 29291.793 ms 1 315 0.00 MB/sec execute 20 sec latency 30292.305 ms 1 315 0.00 MB/sec execute 21 sec latency 31292.927 ms 1 315 0.00 MB/sec execute 22 sec latency 32293.282 ms 1 315 0.00 MB/sec execute 23 sec latency 33295.526 ms 1 315 0.00 MB/sec execute 24 sec latency 34295.877 ms 1 315 0.00 MB/sec execute 25 sec latency 35296.137 ms 1 315 0.00 MB/sec execute 26 sec latency 36297.651 ms 1 315 0.00 MB/sec execute 27 sec latency 37299.733 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 28 sec latency 38301.927 ms 1 315 0.00 MB/sec execute 29 sec latency 39305.075 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 30 sec latency 40305.391 ms 1 315 0.00 MB/sec execute 31 sec latency 41305.885 ms Started lustre-MDT0000 22:09:24 (1788833364) targets are mounted 22:09:24 (1788833364) facet_failover done 1 331 0.02 MB/sec execute 32 sec latency 41843.865 ms 1 350 0.03 MB/sec execute 33 sec latency 193.926 ms 1 379 0.06 MB/sec execute 34 sec latency 196.482 ms 1 405 0.08 MB/sec execute 35 sec latency 176.923 ms 1 437 0.11 MB/sec execute 36 sec latency 170.999 ms 1 461 0.13 MB/sec execute 37 sec latency 194.323 ms 1 489 0.15 MB/sec execute 38 sec latency 216.135 ms 1 513 0.16 MB/sec execute 39 sec latency 207.982 ms oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 580 0.20 MB/sec execute 40 sec latency 159.462 ms 1 639 0.23 MB/sec execute 41 sec latency 122.458 ms 1 664 0.23 MB/sec execute 42 sec latency 166.842 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 685 0.23 MB/sec execute 43 sec latency 298.162 ms 1 710 0.22 MB/sec execute 44 sec latency 152.809 ms 1 730 0.22 MB/sec execute 45 sec latency 204.358 ms 1 758 0.21 MB/sec execute 46 sec latency 164.320 ms 1 780 0.21 MB/sec execute 47 sec latency 154.893 ms 1 803 0.21 MB/sec execute 48 sec latency 210.090 ms 1 847 0.21 MB/sec execute 49 sec latency 124.250 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3666944 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3698688 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7365632 1% /mnt/lustre 1 873 0.20 MB/sec execute 50 sec latency 118.812 ms 1 892 0.20 MB/sec execute 51 sec latency 184.757 ms 1 913 0.20 MB/sec execute 52 sec latency 171.828 ms 1 935 0.19 MB/sec execute 53 sec latency 302.433 ms 1 965 0.19 MB/sec execute 54 sec latency 120.204 ms 1 983 0.19 MB/sec execute 55 sec latency 242.286 ms 1 1040 0.20 MB/sec execute 56 sec latency 165.666 ms test_26 fail mds1 2 times 1 1076 0.20 MB/sec execute 57 sec latency 116.094 ms 1 1105 0.20 MB/sec execute 58 sec latency 137.840 ms 1 1139 0.19 MB/sec execute 59 sec latency 114.665 ms Failing mds1 on oleg137-server 1 1167 0.19 MB/sec execute 60 sec latency 163.769 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 1198 0.19 MB/sec execute 61 sec latency 114.984 ms 1 1211 0.19 MB/sec execute 62 sec latency 641.161 ms 1 1211 0.18 MB/sec execute 63 sec latency 1654.011 ms 22:09:56 (1788833396) shut down 1 1211 0.18 MB/sec execute 64 sec latency 2654.219 ms facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 1211 0.18 MB/sec execute 65 sec latency 3655.570 ms 1 1211 0.17 MB/sec execute 66 sec latency 4656.105 ms 1 1211 0.17 MB/sec execute 67 sec latency 5656.703 ms 1 1211 0.17 MB/sec execute 68 sec latency 6656.971 ms 1 1211 0.17 MB/sec execute 69 sec latency 7657.426 ms 1 1211 0.16 MB/sec execute 70 sec latency 8658.875 ms 1 1211 0.16 MB/sec execute 71 sec latency 9659.151 ms 1 1211 0.16 MB/sec execute 72 sec latency 10660.786 ms 1 1211 0.16 MB/sec execute 73 sec latency 11662.306 ms 1 1211 0.16 MB/sec execute 74 sec latency 12664.563 ms Failover mds1 to oleg137-server mount facets: mds1 1 1211 0.15 MB/sec execute 75 sec latency 13664.777 ms 1 1211 0.15 MB/sec execute 76 sec latency 14665.773 ms 1 1211 0.15 MB/sec execute 77 sec latency 15666.064 ms 1 1211 0.15 MB/sec execute 78 sec latency 16667.550 ms 1 1211 0.15 MB/sec execute 79 sec latency 17667.836 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1211 0.14 MB/sec execute 80 sec latency 18668.280 ms 1 1211 0.14 MB/sec execute 81 sec latency 19668.576 ms 1 1211 0.14 MB/sec execute 82 sec latency 20669.056 ms 1 1211 0.14 MB/sec execute 83 sec latency 21669.467 ms 1 1211 0.14 MB/sec execute 84 sec latency 22669.757 ms 1 1211 0.14 MB/sec execute 85 sec latency 23670.040 ms 1 1211 0.13 MB/sec execute 86 sec latency 24672.065 ms 1 1211 0.13 MB/sec execute 87 sec latency 25673.097 ms 1 1211 0.13 MB/sec execute 88 sec latency 26675.524 ms 1 1211 0.13 MB/sec execute 89 sec latency 27675.819 ms 1 1211 0.13 MB/sec execute 90 sec latency 28676.403 ms 1 1211 0.13 MB/sec execute 91 sec latency 29681.823 ms 1 1211 0.13 MB/sec execute 92 sec latency 30682.059 ms 1 1211 0.12 MB/sec execute 93 sec latency 31682.512 ms 1 1211 0.12 MB/sec execute 94 sec latency 32684.737 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 1211 0.12 MB/sec execute 95 sec latency 33685.010 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 1211 0.12 MB/sec execute 96 sec latency 34685.217 ms Started lustre-MDT0000 1 1211 0.12 MB/sec execute 97 sec latency 35694.953 ms 22:10:30 (1788833430) targets are mounted 22:10:30 (1788833430) facet_failover done 1 1211 0.12 MB/sec execute 98 sec latency 36695.412 ms 1 1211 0.12 MB/sec execute 99 sec latency 37695.625 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 127 428.061 41843.841 Close 116 17.489 47.690 Rename 8 122.125 167.003 Unlink 14 2902.049 40173.067 Qpathinfo 77 30.175 137.808 Qfileinfo 54 2.374 9.334 Qfsinfo 28 6.097 45.077 Sfileinfo 27 81.437 124.229 Find 37 9.538 66.826 WriteX 261 17.235 100.233 ReadX 124 6.657 114.643 Flush 24 141.616 302.411 Throughput 0.116615 MB/sec 1 clients 1 procs max_latency=41843.865 ms stopping dbench on /mnt/lustre at Mon Sep 7 22:10:39 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished 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 Mon Sep 7 22:10:45 EDT 2026 waiting for dbench pid 47176 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 23 0.59 MB/sec warmup 1 sec latency 17.366 ms 1 71 1.57 MB/sec warmup 2 sec latency 136.463 ms 1 111 1.74 MB/sec warmup 3 sec latency 200.701 ms 1 137 1.50 MB/sec warmup 4 sec latency 235.600 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 20480 3709952 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3703808 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7413760 1% /mnt/lustre 1 155 1.31 MB/sec warmup 5 sec latency 221.213 ms 1 176 1.17 MB/sec warmup 6 sec latency 334.201 ms 1 197 1.12 MB/sec warmup 7 sec latency 292.847 ms 1 229 1.10 MB/sec warmup 8 sec latency 143.275 ms 1 263 1.10 MB/sec warmup 9 sec latency 136.679 ms 1 298 1.09 MB/sec warmup 10 sec latency 123.632 ms 1 338 1.11 MB/sec warmup 11 sec latency 135.369 ms test_26 fail mds1 3 times 1 365 1.09 MB/sec warmup 12 sec latency 211.539 ms 1 395 1.08 MB/sec warmup 13 sec latency 213.978 ms Failing mds1 on oleg137-server 1 425 1.07 MB/sec warmup 14 sec latency 167.264 ms 1 454 1.06 MB/sec warmup 15 sec latency 147.293 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 493 1.07 MB/sec warmup 16 sec latency 166.450 ms 1 500 1.03 MB/sec warmup 17 sec latency 768.775 ms 1 500 0.97 MB/sec warmup 18 sec latency 1769.420 ms 22:11:04 (1788833464) shut down 1 500 0.92 MB/sec warmup 19 sec latency 2776.655 ms facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 500 0.00 MB/sec execute 1 sec latency 4780.551 ms 1 500 0.00 MB/sec execute 2 sec latency 5783.015 ms 1 500 0.00 MB/sec execute 3 sec latency 6783.522 ms 1 500 0.00 MB/sec execute 4 sec latency 7784.882 ms 1 500 0.00 MB/sec execute 5 sec latency 8785.251 ms 1 500 0.00 MB/sec execute 6 sec latency 9785.625 ms 1 500 0.00 MB/sec execute 7 sec latency 10787.542 ms 1 500 0.00 MB/sec execute 8 sec latency 11788.535 ms 1 500 0.00 MB/sec execute 9 sec latency 12788.902 ms Failover mds1 to oleg137-server mount facets: mds1 1 500 0.00 MB/sec execute 10 sec latency 13790.020 ms 1 500 0.00 MB/sec execute 11 sec latency 14790.342 ms 1 500 0.00 MB/sec execute 12 sec latency 15790.954 ms 1 500 0.00 MB/sec execute 13 sec latency 16791.808 ms 1 500 0.00 MB/sec execute 14 sec latency 17792.351 ms 1 500 0.00 MB/sec execute 15 sec latency 18793.239 ms 1 500 0.00 MB/sec execute 16 sec latency 19795.568 ms 1 500 0.00 MB/sec execute 17 sec latency 20795.889 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 500 0.00 MB/sec execute 18 sec latency 21796.984 ms 1 500 0.00 MB/sec execute 19 sec latency 22799.975 ms 1 500 0.00 MB/sec execute 20 sec latency 23800.271 ms 1 500 0.00 MB/sec execute 21 sec latency 24804.436 ms 1 500 0.00 MB/sec execute 22 sec latency 25804.717 ms 1 500 0.00 MB/sec execute 23 sec latency 26805.101 ms 1 500 0.00 MB/sec execute 24 sec latency 27805.358 ms 1 500 0.00 MB/sec execute 25 sec latency 28805.857 ms 1 500 0.00 MB/sec execute 26 sec latency 29806.160 ms 1 500 0.00 MB/sec execute 27 sec latency 30806.475 ms 1 500 0.00 MB/sec execute 28 sec latency 31806.728 ms 1 500 0.00 MB/sec execute 29 sec latency 32807.286 ms 1 500 0.00 MB/sec execute 30 sec latency 33807.888 ms 1 500 0.00 MB/sec execute 31 sec latency 34808.099 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 32 sec latency 35808.296 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 500 0.00 MB/sec execute 33 sec latency 36808.503 ms 1 500 0.00 MB/sec execute 34 sec latency 37808.757 ms Started lustre-MDT0000 22:11:40 (1788833500) targets are mounted 22:11:40 (1788833500) facet_failover done 1 500 0.00 MB/sec execute 35 sec latency 38808.982 ms 1 500 0.00 MB/sec execute 36 sec latency 39809.666 ms 1 500 0.00 MB/sec execute 37 sec latency 40809.940 ms 1 500 0.00 MB/sec execute 38 sec latency 41810.757 ms 1 500 0.00 MB/sec execute 39 sec latency 42811.006 ms 1 500 0.00 MB/sec execute 40 sec latency 43811.229 ms 1 501 0.00 MB/sec execute 41 sec latency 44408.343 ms 1 540 0.04 MB/sec execute 42 sec latency 481.322 ms 1 616 0.08 MB/sec execute 43 sec latency 122.500 ms 1 657 0.08 MB/sec execute 44 sec latency 184.448 ms 1 678 0.08 MB/sec execute 45 sec latency 198.170 ms 1 708 0.08 MB/sec execute 46 sec latency 142.499 ms oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 726 0.08 MB/sec execute 47 sec latency 230.060 ms 1 738 0.08 MB/sec execute 48 sec latency 200.172 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.08 MB/sec execute 49 sec latency 177.557 ms 1 789 0.08 MB/sec execute 50 sec latency 176.003 ms 1 801 0.08 MB/sec execute 51 sec latency 313.505 ms 1 848 0.08 MB/sec execute 52 sec latency 154.472 ms 1 873 0.08 MB/sec execute 53 sec latency 191.517 ms 1 892 0.08 MB/sec execute 54 sec latency 301.561 ms 1 916 0.08 MB/sec execute 55 sec latency 371.661 ms 1 948 0.08 MB/sec execute 56 sec latency 248.057 ms 1 980 0.08 MB/sec execute 57 sec latency 127.730 ms 1 1028 0.09 MB/sec execute 58 sec latency 256.884 ms 1 1079 0.09 MB/sec execute 59 sec latency 72.349 ms 1 1132 0.09 MB/sec execute 60 sec latency 121.282 ms 1 1190 0.09 MB/sec execute 61 sec latency 100.091 ms 1 1223 0.09 MB/sec execute 62 sec latency 131.877 ms 1 1242 0.09 MB/sec execute 63 sec latency 266.907 ms 1 1277 0.09 MB/sec execute 64 sec latency 146.995 ms 1 1396 0.13 MB/sec execute 65 sec latency 96.101 ms 1 1434 0.13 MB/sec execute 66 sec latency 114.167 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 22:12:12 EDT 2026 with return code 0 1 1470 0.13 MB/sec execute 67 sec latency 104.482 ms 47176 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47176 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished