== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:55:42 (1786038942) Starting client oleg421-client.virtnet: -o user_xattr,flock 192.168.204.121@tcp:/lustre /mnt/lustre Started clients oleg421-client.virtnet: 192.168.204.121@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 45287 Started dbench loop with 45288 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 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3747840 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7510016 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 Thu Aug 6 13:55:49 EDT 2026 waiting for dbench pid 45366 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 97.919 ms 1 74 1.57 MB/sec warmup 2 sec latency 183.761 ms 1 113 1.74 MB/sec warmup 3 sec latency 213.592 ms 1 147 1.57 MB/sec warmup 4 sec latency 163.775 ms test_26 fail mds1 1 times 1 173 1.41 MB/sec warmup 5 sec latency 170.828 ms 1 189 1.26 MB/sec warmup 6 sec latency 372.644 ms Failing mds1 on oleg421-server 1 207 1.16 MB/sec warmup 7 sec latency 209.212 ms 1 232 1.11 MB/sec warmup 8 sec latency 231.566 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 263 1.10 MB/sec warmup 9 sec latency 189.340 ms 1 286 1.07 MB/sec warmup 10 sec latency 352.750 ms 1 286 0.97 MB/sec warmup 11 sec latency 1363.269 ms 1 286 0.89 MB/sec warmup 12 sec latency 2363.557 ms 1 286 0.82 MB/sec warmup 13 sec latency 3366.081 ms 13:56:03 (1786038963) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 286 0.76 MB/sec warmup 14 sec latency 4366.396 ms 1 286 0.71 MB/sec warmup 15 sec latency 5366.602 ms 1 286 0.67 MB/sec warmup 16 sec latency 6366.788 ms 1 286 0.63 MB/sec warmup 17 sec latency 7367.529 ms 1 286 0.59 MB/sec warmup 18 sec latency 8367.806 ms 1 286 0.56 MB/sec warmup 19 sec latency 9368.058 ms 1 286 0.00 MB/sec execute 1 sec latency 11371.359 ms 1 286 0.00 MB/sec execute 2 sec latency 12371.961 ms 1 286 0.00 MB/sec execute 3 sec latency 13372.623 ms 1 286 0.00 MB/sec execute 4 sec latency 14376.144 ms Failover mds1 to oleg421-server mount facets: mds1 1 286 0.00 MB/sec execute 5 sec latency 15378.592 ms 1 286 0.00 MB/sec execute 6 sec latency 16378.803 ms 1 286 0.00 MB/sec execute 7 sec latency 17379.005 ms 1 286 0.00 MB/sec execute 8 sec latency 18380.826 ms 1 286 0.00 MB/sec execute 9 sec latency 19386.058 ms 1 286 0.00 MB/sec execute 10 sec latency 20386.223 ms 1 286 0.00 MB/sec execute 11 sec latency 21390.130 ms 1 286 0.00 MB/sec execute 12 sec latency 22395.960 ms 1 286 0.00 MB/sec execute 13 sec latency 23396.135 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 286 0.00 MB/sec execute 14 sec latency 24396.306 ms 1 286 0.00 MB/sec execute 15 sec latency 25397.789 ms 1 286 0.00 MB/sec execute 16 sec latency 26398.128 ms 1 286 0.00 MB/sec execute 17 sec latency 27398.339 ms 1 286 0.00 MB/sec execute 18 sec latency 28399.163 ms 1 286 0.00 MB/sec execute 19 sec latency 29399.391 ms 1 286 0.00 MB/sec execute 20 sec latency 30400.589 ms 1 286 0.00 MB/sec execute 21 sec latency 31402.051 ms 1 286 0.00 MB/sec execute 22 sec latency 32403.010 ms 1 286 0.00 MB/sec execute 23 sec latency 33404.006 ms 1 286 0.00 MB/sec execute 24 sec latency 34404.319 ms 1 286 0.00 MB/sec execute 25 sec latency 35404.561 ms 1 286 0.00 MB/sec execute 26 sec latency 36405.868 ms 1 286 0.00 MB/sec execute 27 sec latency 37407.940 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 286 0.00 MB/sec execute 28 sec latency 38410.153 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 286 0.00 MB/sec execute 29 sec latency 39421.583 ms Started lustre-MDT0000 13:56:39 (1786038999) targets are mounted 13:56:39 (1786038999) facet_failover done 1 289 0.00 MB/sec execute 30 sec latency 39916.333 ms 1 323 0.03 MB/sec execute 31 sec latency 156.597 ms 1 342 0.05 MB/sec execute 32 sec latency 206.966 ms 1 369 0.07 MB/sec execute 33 sec latency 152.305 ms 1 397 0.10 MB/sec execute 34 sec latency 169.381 ms 1 422 0.12 MB/sec execute 35 sec latency 170.382 ms 1 453 0.14 MB/sec execute 36 sec latency 132.886 ms 1 483 0.17 MB/sec execute 37 sec latency 175.937 ms 1 503 0.18 MB/sec execute 38 sec latency 177.872 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 530 0.20 MB/sec execute 39 sec latency 228.372 ms 1 593 0.25 MB/sec execute 40 sec latency 123.685 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 636 0.25 MB/sec execute 41 sec latency 169.717 ms 1 664 0.25 MB/sec execute 42 sec latency 173.283 ms 1 674 0.24 MB/sec execute 43 sec latency 216.766 ms 1 699 0.24 MB/sec execute 44 sec latency 209.826 ms 1 723 0.23 MB/sec execute 45 sec latency 308.575 ms 1 743 0.23 MB/sec execute 46 sec latency 159.345 ms 1 789 0.23 MB/sec execute 47 sec latency 97.365 ms 1 808 0.22 MB/sec execute 48 sec latency 282.109 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 9216 3696640 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 43008 3662848 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7359488 1% /mnt/lustre 1 857 0.22 MB/sec execute 49 sec latency 127.278 ms 1 888 0.22 MB/sec execute 50 sec latency 200.834 ms 1 905 0.21 MB/sec execute 51 sec latency 200.626 ms 1 921 0.21 MB/sec execute 52 sec latency 248.903 ms 1 951 0.21 MB/sec execute 53 sec latency 161.895 ms 1 970 0.21 MB/sec execute 54 sec latency 228.360 ms 1 983 0.20 MB/sec execute 55 sec latency 368.520 ms test_26 fail mds1 2 times 1 1020 0.21 MB/sec execute 56 sec latency 148.977 ms 1 1056 0.21 MB/sec execute 57 sec latency 133.021 ms Failing mds1 on oleg421-server 1 1089 0.21 MB/sec execute 58 sec latency 114.174 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 1131 0.21 MB/sec execute 59 sec latency 105.756 ms 1 1148 0.20 MB/sec execute 60 sec latency 323.382 ms 1 1161 0.20 MB/sec execute 61 sec latency 496.452 ms 1 1161 0.20 MB/sec execute 62 sec latency 1496.986 ms 1 1161 0.19 MB/sec execute 63 sec latency 2497.391 ms 1 1161 0.19 MB/sec execute 64 sec latency 3501.839 ms 13:57:14 (1786039034) shut down 1 1161 0.19 MB/sec execute 65 sec latency 4502.207 ms facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 1161 0.19 MB/sec execute 66 sec latency 5505.059 ms 1 1161 0.18 MB/sec execute 67 sec latency 6505.294 ms 1 1161 0.18 MB/sec execute 68 sec latency 7506.503 ms 1 1161 0.18 MB/sec execute 69 sec latency 8506.682 ms 1 1161 0.18 MB/sec execute 70 sec latency 9507.040 ms 1 1161 0.17 MB/sec execute 71 sec latency 10507.280 ms 1 1161 0.17 MB/sec execute 72 sec latency 11509.393 ms 1 1161 0.17 MB/sec execute 73 sec latency 12509.572 ms 1 1161 0.17 MB/sec execute 74 sec latency 13510.718 ms 1 1161 0.16 MB/sec execute 75 sec latency 14510.977 ms Failover mds1 to oleg421-server mount facets: mds1 1 1161 0.16 MB/sec execute 76 sec latency 15511.320 ms 1 1161 0.16 MB/sec execute 77 sec latency 16512.086 ms 1 1161 0.16 MB/sec execute 78 sec latency 17513.595 ms 1 1161 0.16 MB/sec execute 79 sec latency 18513.982 ms 1 1161 0.15 MB/sec execute 80 sec latency 19514.229 ms 1 1161 0.15 MB/sec execute 81 sec latency 20514.526 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1161 0.15 MB/sec execute 82 sec latency 21514.778 ms 1 1161 0.15 MB/sec execute 83 sec latency 22515.346 ms 1 1161 0.15 MB/sec execute 84 sec latency 23515.587 ms 1 1161 0.14 MB/sec execute 85 sec latency 24517.007 ms 1 1161 0.14 MB/sec execute 86 sec latency 25521.719 ms 1 1161 0.14 MB/sec execute 87 sec latency 26521.968 ms 1 1161 0.14 MB/sec execute 88 sec latency 27522.172 ms 1 1161 0.14 MB/sec execute 89 sec latency 28522.412 ms 1 1161 0.14 MB/sec execute 90 sec latency 29522.644 ms 1 1161 0.13 MB/sec execute 91 sec latency 30524.435 ms 1 1161 0.13 MB/sec execute 92 sec latency 31525.717 ms 1 1161 0.13 MB/sec execute 93 sec latency 32530.062 ms 1 1161 0.13 MB/sec execute 94 sec latency 33530.248 ms 1 1161 0.13 MB/sec execute 95 sec latency 34531.996 ms 1 1161 0.13 MB/sec execute 96 sec latency 35532.210 ms 1 1161 0.13 MB/sec execute 97 sec latency 36534.184 ms 1 1161 0.13 MB/sec execute 98 sec latency 37534.601 ms 1 1161 0.12 MB/sec execute 99 sec latency 38536.971 ms 1 cleanup 100 sec oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 cleanup 104 sec 1 cleanup 105 sec Started lustre-MDT0000 13:57:55 (1786039075) targets are mounted 13:57:55 (1786039075) 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 125 441.739 42366.421 Close 116 360.354 39916.301 Rename 7 156.731 323.352 Unlink 12 39.452 85.852 Qpathinfo 63 31.793 143.072 Qfileinfo 55 3.524 14.381 Qfsinfo 27 5.529 27.367 Sfileinfo 25 83.754 164.069 Find 33 9.750 95.161 WriteX 271 19.930 106.130 ReadX 118 5.206 124.698 Flush 24 159.746 368.498 Throughput 0.124084 MB/sec 1 clients 1 procs max_latency=39916.333 ms stopping dbench on /mnt/lustre at Thu Aug 6 13:58:00 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 oleg421-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 Thu Aug 6 13:58:11 EDT 2026 waiting for dbench pid 47163 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 10 0.00 MB/sec warmup 1 sec latency 197.726 ms 1 40 0.72 MB/sec warmup 2 sec latency 211.726 ms 1 71 1.05 MB/sec warmup 3 sec latency 254.387 ms 1 110 1.31 MB/sec warmup 4 sec latency 179.097 ms 1 130 1.15 MB/sec warmup 5 sec latency 250.493 ms 1 155 1.09 MB/sec warmup 6 sec latency 203.582 ms 1 172 1.01 MB/sec warmup 7 sec latency 322.443 ms 1 184 0.91 MB/sec warmup 8 sec latency 347.969 ms 1 197 0.87 MB/sec warmup 9 sec latency 311.169 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3691520 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 16384 3742720 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7434240 1% /mnt/lustre 1 211 0.81 MB/sec warmup 10 sec latency 311.032 ms 1 224 0.78 MB/sec warmup 11 sec latency 331.087 ms 1 248 0.78 MB/sec warmup 12 sec latency 203.004 ms 1 271 0.78 MB/sec warmup 13 sec latency 194.219 ms 1 289 0.76 MB/sec warmup 14 sec latency 264.477 ms 1 306 0.75 MB/sec warmup 15 sec latency 188.813 ms 1 326 0.73 MB/sec warmup 16 sec latency 274.360 ms 1 350 0.73 MB/sec warmup 17 sec latency 161.068 ms 1 386 0.76 MB/sec warmup 18 sec latency 143.733 ms test_26 fail mds1 3 times 1 413 0.77 MB/sec warmup 19 sec latency 155.756 ms 1 461 0.84 MB/sec execute 1 sec latency 195.701 ms Failing mds1 on oleg421-server 1 485 0.81 MB/sec execute 2 sec latency 203.640 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 511 0.80 MB/sec execute 3 sec latency 175.927 ms 1 541 0.94 MB/sec execute 4 sec latency 228.263 ms 1 542 0.75 MB/sec execute 5 sec latency 995.773 ms 1 542 0.63 MB/sec execute 6 sec latency 1995.952 ms 1 542 0.54 MB/sec execute 7 sec latency 2996.154 ms 13:58:39 (1786039119) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 542 0.47 MB/sec execute 8 sec latency 3996.418 ms 1 542 0.42 MB/sec execute 9 sec latency 4997.294 ms 1 542 0.38 MB/sec execute 10 sec latency 5998.119 ms 1 542 0.34 MB/sec execute 11 sec latency 6998.855 ms 1 542 0.31 MB/sec execute 12 sec latency 7999.138 ms 1 542 0.29 MB/sec execute 13 sec latency 8999.407 ms 1 542 0.27 MB/sec execute 14 sec latency 10000.081 ms 1 542 0.25 MB/sec execute 15 sec latency 11000.302 ms 1 542 0.24 MB/sec execute 16 sec latency 12000.664 ms 1 542 0.22 MB/sec execute 17 sec latency 13000.930 ms 1 542 0.21 MB/sec execute 18 sec latency 14001.174 ms Failover mds1 to oleg421-server mount facets: mds1 1 542 0.20 MB/sec execute 19 sec latency 15007.337 ms 1 542 0.19 MB/sec execute 20 sec latency 16007.513 ms 1 542 0.18 MB/sec execute 21 sec latency 17008.541 ms 1 542 0.17 MB/sec execute 22 sec latency 18011.780 ms 1 542 0.16 MB/sec execute 23 sec latency 19011.981 ms 1 542 0.16 MB/sec execute 24 sec latency 20012.269 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 542 0.15 MB/sec execute 25 sec latency 21012.538 ms 1 542 0.15 MB/sec execute 26 sec latency 22012.773 ms 1 542 0.14 MB/sec execute 27 sec latency 23014.032 ms 1 542 0.13 MB/sec execute 28 sec latency 24014.670 ms 1 542 0.13 MB/sec execute 29 sec latency 25014.916 ms 1 542 0.13 MB/sec execute 30 sec latency 26015.141 ms 1 542 0.12 MB/sec execute 31 sec latency 27015.431 ms 1 542 0.12 MB/sec execute 32 sec latency 28016.893 ms 1 542 0.11 MB/sec execute 33 sec latency 29017.168 ms 1 542 0.11 MB/sec execute 34 sec latency 30017.769 ms 1 542 0.11 MB/sec execute 35 sec latency 31017.988 ms 1 542 0.10 MB/sec execute 36 sec latency 32020.538 ms 1 542 0.10 MB/sec execute 37 sec latency 33020.833 ms 1 542 0.10 MB/sec execute 38 sec latency 34021.029 ms 1 542 0.10 MB/sec execute 39 sec latency 35021.270 ms 1 542 0.09 MB/sec execute 40 sec latency 36021.465 ms 1 542 0.09 MB/sec execute 41 sec latency 37021.646 ms 1 542 0.09 MB/sec execute 42 sec latency 38023.262 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 542 0.09 MB/sec execute 43 sec latency 39023.732 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 542 0.09 MB/sec execute 44 sec latency 40024.476 ms 1 542 0.08 MB/sec execute 45 sec latency 41024.624 ms Started lustre-MDT0000 13:59:17 (1786039157) targets are mounted 13:59:17 (1786039157) facet_failover done 1 542 0.08 MB/sec execute 46 sec latency 42024.974 ms 1 542 0.08 MB/sec execute 47 sec latency 43026.920 ms 1 606 0.12 MB/sec execute 48 sec latency 43113.685 ms 1 642 0.12 MB/sec execute 49 sec latency 167.945 ms 1 664 0.12 MB/sec execute 50 sec latency 379.310 ms 1 676 0.11 MB/sec execute 51 sec latency 488.433 ms 1 698 0.11 MB/sec execute 52 sec latency 207.353 ms 1 717 0.11 MB/sec execute 53 sec latency 237.555 ms 1 731 0.11 MB/sec execute 54 sec latency 265.032 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.11 MB/sec execute 55 sec latency 129.849 ms 1 778 0.11 MB/sec execute 56 sec latency 172.149 ms 1 791 0.11 MB/sec execute 57 sec latency 368.948 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.11 MB/sec execute 58 sec latency 156.881 ms 1 850 0.11 MB/sec execute 59 sec latency 138.799 ms 1 873 0.11 MB/sec execute 60 sec latency 185.457 ms 1 892 0.10 MB/sec execute 61 sec latency 348.600 ms 1 914 0.10 MB/sec execute 62 sec latency 207.947 ms 1 935 0.10 MB/sec execute 63 sec latency 193.320 ms 1 970 0.10 MB/sec execute 64 sec latency 157.877 ms 1 985 0.10 MB/sec execute 65 sec latency 339.372 ms 1 1002 0.10 MB/sec execute 66 sec latency 159.819 ms 1 1060 0.11 MB/sec execute 67 sec latency 169.169 ms 1 1099 0.11 MB/sec execute 68 sec latency 143.595 ms 1 1136 0.11 MB/sec execute 69 sec latency 131.727 ms 1 1172 0.11 MB/sec execute 70 sec latency 155.441 ms 1 1202 0.11 MB/sec execute 71 sec latency 143.615 ms 1 1242 0.11 MB/sec execute 72 sec latency 91.605 ms 1 1277 0.11 MB/sec execute 73 sec latency 105.324 ms 1 1403 0.14 MB/sec execute 74 sec latency 87.667 ms 1 1434 0.14 MB/sec execute 75 sec latency 101.194 ms 1 1461 0.14 MB/sec execute 76 sec latency 145.838 ms 1 1492 0.14 MB/sec execute 77 sec latency 279.107 ms 1 1523 0.14 MB/sec execute 78 sec latency 105.966 ms 1 1562 0.14 MB/sec execute 79 sec latency 105.795 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 6 13:59:51 EDT 2026 with return code 0 1 1582 0.14 MB/sec execute 80 sec latency 103.864 ms 47163 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47163 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished