== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:42:07 (1787863327) Starting client oleg347-client.virtnet: -o user_xattr,flock 192.168.203.147@tcp:/lustre /mnt/lustre Started clients oleg347-client.virtnet: 192.168.203.147@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 45249 Started dbench loop with 45251 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 10240 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3755008 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7491584 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 27 16:42:13 EDT 2026 waiting for dbench pid 45317 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 140.484 ms 1 55 1.08 MB/sec warmup 2 sec latency 275.467 ms 1 101 1.55 MB/sec warmup 3 sec latency 152.949 ms 1 137 1.50 MB/sec warmup 4 sec latency 160.204 ms 1 166 1.36 MB/sec warmup 5 sec latency 138.657 ms test_26 fail mds1 1 times 1 190 1.26 MB/sec warmup 6 sec latency 239.415 ms 1 223 1.23 MB/sec warmup 7 sec latency 158.407 ms Failing mds1 on oleg347-server 1 247 1.17 MB/sec warmup 8 sec latency 264.464 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 278 1.16 MB/sec warmup 9 sec latency 194.640 ms 1 305 1.12 MB/sec warmup 10 sec latency 173.910 ms 1 312 1.04 MB/sec warmup 11 sec latency 921.102 ms 1 312 0.95 MB/sec warmup 12 sec latency 1921.795 ms 16:42:26 (1787863346) shut down 1 312 0.88 MB/sec warmup 13 sec latency 2922.037 ms facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 312 0.82 MB/sec warmup 14 sec latency 3923.526 ms 1 312 0.76 MB/sec warmup 15 sec latency 4924.481 ms 1 312 0.72 MB/sec warmup 16 sec latency 5924.824 ms 1 312 0.67 MB/sec warmup 17 sec latency 6925.007 ms 1 312 0.64 MB/sec warmup 18 sec latency 7925.202 ms 1 312 0.60 MB/sec warmup 19 sec latency 8925.375 ms 1 312 0.00 MB/sec execute 1 sec latency 10925.809 ms 1 312 0.00 MB/sec execute 2 sec latency 11926.051 ms 1 312 0.00 MB/sec execute 3 sec latency 12926.316 ms Failover mds1 to oleg347-server mount facets: mds1 1 312 0.00 MB/sec execute 4 sec latency 13927.346 ms 1 312 0.00 MB/sec execute 5 sec latency 14931.005 ms 1 312 0.00 MB/sec execute 6 sec latency 15931.526 ms 1 312 0.00 MB/sec execute 7 sec latency 16931.862 ms 1 312 0.00 MB/sec execute 8 sec latency 17932.059 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 9 sec latency 18932.398 ms 1 312 0.00 MB/sec execute 10 sec latency 19932.792 ms 1 312 0.00 MB/sec execute 11 sec latency 20933.214 ms 1 312 0.00 MB/sec execute 12 sec latency 21935.408 ms 1 312 0.00 MB/sec execute 13 sec latency 22936.750 ms 1 312 0.00 MB/sec execute 14 sec latency 23937.013 ms 1 312 0.00 MB/sec execute 15 sec latency 24947.083 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 16 sec latency 25948.951 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 17 sec latency 26950.864 ms Started lustre-MDT0000 16:42:51 (1787863371) targets are mounted 16:42:51 (1787863371) facet_failover done 1 312 0.00 MB/sec execute 18 sec latency 27952.547 ms 1 312 0.00 MB/sec execute 19 sec latency 28952.682 ms 1 312 0.00 MB/sec execute 20 sec latency 29953.814 ms 1 312 0.00 MB/sec execute 21 sec latency 30954.568 ms 1 312 0.00 MB/sec execute 22 sec latency 31954.767 ms 1 312 0.00 MB/sec execute 23 sec latency 32955.043 ms 1 312 0.00 MB/sec execute 24 sec latency 33955.730 ms 1 312 0.00 MB/sec execute 25 sec latency 34956.058 ms 1 312 0.00 MB/sec execute 26 sec latency 35959.324 ms 1 312 0.00 MB/sec execute 27 sec latency 36959.568 ms 1 312 0.00 MB/sec execute 28 sec latency 37959.812 ms 1 312 0.00 MB/sec execute 29 sec latency 38961.302 ms 1 313 0.00 MB/sec execute 30 sec latency 39715.338 ms 1 339 0.03 MB/sec execute 31 sec latency 386.635 ms 1 361 0.04 MB/sec execute 32 sec latency 208.548 ms 1 396 0.08 MB/sec execute 33 sec latency 173.069 ms 1 422 0.10 MB/sec execute 34 sec latency 161.417 ms 1 453 0.13 MB/sec execute 35 sec latency 193.666 ms 1 477 0.14 MB/sec execute 36 sec latency 252.975 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.16 MB/sec execute 37 sec latency 165.087 ms 1 535 0.19 MB/sec execute 38 sec latency 167.459 ms 1 606 0.24 MB/sec execute 39 sec latency 106.845 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 649 0.24 MB/sec execute 40 sec latency 137.323 ms 1 669 0.24 MB/sec execute 41 sec latency 335.162 ms 1 692 0.23 MB/sec execute 42 sec latency 154.160 ms 1 721 0.23 MB/sec execute 43 sec latency 158.329 ms 1 735 0.22 MB/sec execute 44 sec latency 344.461 ms 1 769 0.22 MB/sec execute 45 sec latency 155.070 ms 1 796 0.22 MB/sec execute 46 sec latency 225.533 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 33792 3708928 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3694592 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7403520 1% /mnt/lustre 1 810 0.21 MB/sec execute 47 sec latency 185.008 ms 1 850 0.21 MB/sec execute 48 sec latency 117.859 ms 1 874 0.21 MB/sec execute 49 sec latency 325.926 ms 1 892 0.20 MB/sec execute 50 sec latency 160.182 ms 1 913 0.20 MB/sec execute 51 sec latency 184.491 ms 1 929 0.20 MB/sec execute 52 sec latency 190.492 ms 1 968 0.19 MB/sec execute 53 sec latency 137.355 ms 1 990 0.19 MB/sec execute 54 sec latency 209.817 ms test_26 fail mds1 2 times 1 1050 0.21 MB/sec execute 55 sec latency 175.257 ms 1 1076 0.20 MB/sec execute 56 sec latency 122.596 ms Failing mds1 on oleg347-server 1 1118 0.20 MB/sec execute 57 sec latency 163.816 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 1143 0.20 MB/sec execute 58 sec latency 116.188 ms 1 1161 0.19 MB/sec execute 59 sec latency 222.641 ms 1 1161 0.19 MB/sec execute 60 sec latency 1127.302 ms 1 1161 0.19 MB/sec execute 61 sec latency 2127.600 ms 16:43:35 (1787863415) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 1161 0.19 MB/sec execute 62 sec latency 3130.370 ms 1 1161 0.18 MB/sec execute 63 sec latency 4130.834 ms 1 1161 0.18 MB/sec execute 64 sec latency 5132.354 ms 1 1161 0.18 MB/sec execute 65 sec latency 6132.953 ms 1 1161 0.17 MB/sec execute 66 sec latency 7133.255 ms 1 1161 0.17 MB/sec execute 67 sec latency 8133.524 ms 1 1161 0.17 MB/sec execute 68 sec latency 9134.175 ms 1 1161 0.17 MB/sec execute 69 sec latency 10134.481 ms 1 1161 0.16 MB/sec execute 70 sec latency 11135.592 ms 1 1161 0.16 MB/sec execute 71 sec latency 12135.911 ms 1 1161 0.16 MB/sec execute 72 sec latency 13139.027 ms Failover mds1 to oleg347-server mount facets: mds1 1 1161 0.16 MB/sec execute 73 sec latency 14139.343 ms 1 1161 0.16 MB/sec execute 74 sec latency 15141.176 ms 1 1161 0.15 MB/sec execute 75 sec latency 16141.445 ms 1 1161 0.15 MB/sec execute 76 sec latency 17142.606 ms 1 1161 0.15 MB/sec execute 77 sec latency 18144.468 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1161 0.15 MB/sec execute 78 sec latency 19145.014 ms 1 1161 0.15 MB/sec execute 79 sec latency 20147.445 ms 1 1161 0.14 MB/sec execute 80 sec latency 21147.708 ms 1 1161 0.14 MB/sec execute 81 sec latency 22148.290 ms 1 1161 0.14 MB/sec execute 82 sec latency 23148.594 ms 1 1161 0.14 MB/sec execute 83 sec latency 24148.979 ms 1 1161 0.14 MB/sec execute 84 sec latency 25149.511 ms 1 1161 0.14 MB/sec execute 85 sec latency 26149.735 ms 1 1161 0.13 MB/sec execute 86 sec latency 27151.455 ms 1 1161 0.13 MB/sec execute 87 sec latency 28151.722 ms 1 1161 0.13 MB/sec execute 88 sec latency 29152.081 ms 1 1161 0.13 MB/sec execute 89 sec latency 30155.338 ms 1 1161 0.13 MB/sec execute 90 sec latency 31155.595 ms 1 1161 0.13 MB/sec execute 91 sec latency 32155.906 ms 1 1161 0.13 MB/sec execute 92 sec latency 33157.602 ms 1 1161 0.12 MB/sec execute 93 sec latency 34157.912 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 1161 0.12 MB/sec execute 94 sec latency 35158.123 ms 1 1161 0.12 MB/sec execute 95 sec latency 36158.303 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 1161 0.12 MB/sec execute 96 sec latency 37158.487 ms Started lustre-MDT0000 16:44:10 (1787863450) targets are mounted 16:44:10 (1787863450) facet_failover done 1 1161 0.12 MB/sec execute 97 sec latency 38159.675 ms 1 1161 0.12 MB/sec execute 98 sec latency 39162.003 ms 1 1161 0.12 MB/sec execute 99 sec latency 40162.388 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 121 445.706 41551.444 Close 112 371.944 39715.292 Rename 7 125.906 222.609 Unlink 12 38.054 79.718 Qpathinfo 63 32.053 109.789 Qfileinfo 52 2.455 9.249 Qfsinfo 27 6.767 30.754 Sfileinfo 25 82.615 137.447 Find 33 8.378 66.581 WriteX 256 17.581 77.650 ReadX 118 5.618 106.777 Flush 24 153.058 344.445 Throughput 0.116237 MB/sec 1 clients 1 procs max_latency=40162.388 ms stopping dbench on /mnt/lustre at Thu Aug 27 16:44:18 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 27 16:44:27 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 0 10 0.00 MB/sec warmup 1 sec latency 40.348 ms 1 51 1.04 MB/sec warmup 2 sec latency 161.298 ms 1 91 1.39 MB/sec warmup 3 sec latency 212.348 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] 1 121 1.37 MB/sec warmup 4 sec latency 220.870 ms lustre-OST0000_UUID 3771392 28672 3715072 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3748864 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 41984 7463936 1% /mnt/lustre 1 137 1.20 MB/sec warmup 5 sec latency 244.670 ms 1 157 1.09 MB/sec warmup 6 sec latency 255.231 ms 1 181 1.04 MB/sec warmup 7 sec latency 188.531 ms 1 197 0.98 MB/sec warmup 8 sec latency 350.796 ms 1 221 0.95 MB/sec warmup 9 sec latency 248.693 ms 1 239 0.91 MB/sec warmup 10 sec latency 280.494 ms 1 266 0.90 MB/sec warmup 11 sec latency 156.604 ms 1 292 0.89 MB/sec warmup 12 sec latency 189.198 ms 1 315 0.88 MB/sec warmup 13 sec latency 187.168 ms test_26 fail mds1 3 times 1 339 0.87 MB/sec warmup 14 sec latency 266.090 ms 1 361 0.85 MB/sec warmup 15 sec latency 232.858 ms Failing mds1 on oleg347-server 1 397 0.88 MB/sec warmup 16 sec latency 173.738 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 429 0.89 MB/sec warmup 17 sec latency 141.163 ms 1 453 0.88 MB/sec warmup 18 sec latency 324.094 ms 1 453 0.83 MB/sec warmup 19 sec latency 1324.341 ms 16:44:48 (1787863488) shut down 1 453 0.00 MB/sec execute 1 sec latency 3342.581 ms facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 453 0.00 MB/sec execute 2 sec latency 4343.693 ms 1 453 0.00 MB/sec execute 3 sec latency 5344.182 ms 1 453 0.00 MB/sec execute 4 sec latency 6344.537 ms 1 453 0.00 MB/sec execute 5 sec latency 7344.917 ms 1 453 0.00 MB/sec execute 6 sec latency 8345.422 ms 1 453 0.00 MB/sec execute 7 sec latency 9348.515 ms 1 453 0.00 MB/sec execute 8 sec latency 10348.900 ms 1 453 0.00 MB/sec execute 9 sec latency 11350.043 ms 1 453 0.00 MB/sec execute 10 sec latency 12350.303 ms 1 453 0.00 MB/sec execute 11 sec latency 13353.449 ms Failover mds1 to oleg347-server mount facets: mds1 1 453 0.00 MB/sec execute 12 sec latency 14354.860 ms 1 453 0.00 MB/sec execute 13 sec latency 15355.181 ms 1 453 0.00 MB/sec execute 14 sec latency 16355.453 ms 1 453 0.00 MB/sec execute 15 sec latency 17356.722 ms 1 453 0.00 MB/sec execute 16 sec latency 18357.447 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 453 0.00 MB/sec execute 17 sec latency 19357.702 ms 1 453 0.00 MB/sec execute 18 sec latency 20358.517 ms 1 453 0.00 MB/sec execute 19 sec latency 21358.797 ms 1 453 0.00 MB/sec execute 20 sec latency 22360.546 ms 1 453 0.00 MB/sec execute 21 sec latency 23361.068 ms 1 453 0.00 MB/sec execute 22 sec latency 24362.307 ms 1 453 0.00 MB/sec execute 23 sec latency 25362.707 ms 1 453 0.00 MB/sec execute 24 sec latency 26363.171 ms 1 453 0.00 MB/sec execute 25 sec latency 27365.527 ms 1 453 0.00 MB/sec execute 26 sec latency 28367.223 ms 1 453 0.00 MB/sec execute 27 sec latency 29370.389 ms 1 453 0.00 MB/sec execute 28 sec latency 30370.538 ms 1 453 0.00 MB/sec execute 29 sec latency 31372.239 ms 1 453 0.00 MB/sec execute 30 sec latency 32373.037 ms 1 453 0.00 MB/sec execute 31 sec latency 33376.441 ms 1 453 0.00 MB/sec execute 32 sec latency 34376.712 ms 1 453 0.00 MB/sec execute 33 sec latency 35377.466 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 453 0.00 MB/sec execute 34 sec latency 36377.708 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 453 0.00 MB/sec execute 35 sec latency 37378.467 ms Started lustre-MDT0000 16:45:23 (1787863523) targets are mounted 1 453 0.00 MB/sec execute 36 sec latency 38378.751 ms 16:45:23 (1787863523) facet_failover done 1 453 0.00 MB/sec execute 37 sec latency 39380.149 ms 1 461 0.01 MB/sec execute 38 sec latency 40235.135 ms 1 493 0.03 MB/sec execute 39 sec latency 184.741 ms 1 516 0.05 MB/sec execute 40 sec latency 200.025 ms 1 583 0.10 MB/sec execute 41 sec latency 148.700 ms 1 636 0.12 MB/sec execute 42 sec latency 145.886 ms 1 664 0.12 MB/sec execute 43 sec latency 152.439 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.12 MB/sec execute 44 sec latency 184.963 ms 1 703 0.12 MB/sec execute 45 sec latency 215.726 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 721 0.12 MB/sec execute 46 sec latency 210.608 ms 1 736 0.11 MB/sec execute 47 sec latency 375.686 ms 1 772 0.11 MB/sec execute 48 sec latency 108.234 ms 1 794 0.11 MB/sec execute 49 sec latency 308.367 ms 1 811 0.11 MB/sec execute 50 sec latency 171.561 ms 1 873 0.11 MB/sec execute 51 sec latency 88.305 ms 1 896 0.11 MB/sec execute 52 sec latency 286.273 ms 1 914 0.11 MB/sec execute 53 sec latency 312.066 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 952 0.11 MB/sec execute 54 sec latency 106.322 ms 1 980 0.11 MB/sec execute 55 sec latency 195.804 ms 1 1028 0.12 MB/sec execute 56 sec latency 223.240 ms 1 1076 0.12 MB/sec execute 57 sec latency 88.701 ms 1 1127 0.12 MB/sec execute 58 sec latency 103.139 ms 1 1149 0.12 MB/sec execute 59 sec latency 113.611 ms 1 1181 0.12 MB/sec execute 60 sec latency 130.058 ms 1 1221 0.12 MB/sec execute 61 sec latency 141.769 ms 1 1253 0.12 MB/sec execute 62 sec latency 137.971 ms 1 1380 0.16 MB/sec execute 63 sec latency 134.245 ms 1 1409 0.16 MB/sec execute 64 sec latency 154.257 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 16:45:52 EDT 2026 with return code 0 1 1446 0.16 MB/sec execute 65 sec latency 150.395 ms 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