== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:36:40 (1789637800) Starting client oleg414-client.virtnet: -o user_xattr,flock 192.168.204.114@tcp:/lustre /mnt/lustre Started clients oleg414-client.virtnet: 192.168.204.114@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 45192 Started dbench loop with 45194 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 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7499776 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 Sep 17 05:36:46 EDT 2026 waiting for dbench pid 45262 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 23.520 ms 1 55 1.07 MB/sec warmup 2 sec latency 190.248 ms 1 106 1.65 MB/sec warmup 3 sec latency 161.370 ms 1 136 1.50 MB/sec warmup 4 sec latency 221.540 ms test_26 fail mds1 1 times 1 165 1.36 MB/sec warmup 5 sec latency 167.606 ms 1 199 1.30 MB/sec warmup 6 sec latency 149.949 ms Failing mds1 on oleg414-server 1 224 1.23 MB/sec warmup 7 sec latency 156.089 ms 1 256 1.21 MB/sec warmup 8 sec latency 142.144 ms Stopping /mnt/lustre-mds1 (opts:) on oleg414-server 1 287 1.19 MB/sec warmup 9 sec latency 166.223 ms 1 304 1.12 MB/sec warmup 10 sec latency 300.809 ms 1 304 1.02 MB/sec warmup 11 sec latency 1301.021 ms 1 304 0.93 MB/sec warmup 12 sec latency 2302.969 ms 05:36:58 (1789637818) shut down facet: mds1 facet_host: oleg414-server facet_failover_host: oleg414-server 1 304 0.86 MB/sec warmup 13 sec latency 3308.203 ms 1 304 0.80 MB/sec warmup 14 sec latency 4308.606 ms 1 304 0.75 MB/sec warmup 15 sec latency 5308.904 ms 1 304 0.70 MB/sec warmup 16 sec latency 6309.170 ms 1 304 0.66 MB/sec warmup 17 sec latency 7309.541 ms 1 304 0.62 MB/sec warmup 18 sec latency 8309.795 ms 1 304 0.59 MB/sec warmup 19 sec latency 9310.058 ms 1 304 0.00 MB/sec execute 1 sec latency 11310.704 ms 1 304 0.00 MB/sec execute 2 sec latency 12314.508 ms Failover mds1 to oleg414-server mount facets: mds1 1 304 0.00 MB/sec execute 3 sec latency 13319.092 ms 1 304 0.00 MB/sec execute 4 sec latency 14319.287 ms 1 304 0.00 MB/sec execute 5 sec latency 15319.495 ms 1 304 0.00 MB/sec execute 6 sec latency 16325.706 ms 1 304 0.00 MB/sec execute 7 sec latency 17325.950 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 8 sec latency 18326.221 ms 1 304 0.00 MB/sec execute 9 sec latency 19326.545 ms 1 304 0.00 MB/sec execute 10 sec latency 20326.743 ms 1 304 0.00 MB/sec execute 11 sec latency 21327.534 ms 1 304 0.00 MB/sec execute 12 sec latency 22328.208 ms 1 304 0.00 MB/sec execute 13 sec latency 23328.527 ms 1 304 0.00 MB/sec execute 14 sec latency 24328.789 ms 1 304 0.00 MB/sec execute 15 sec latency 25329.865 ms 1 304 0.00 MB/sec execute 16 sec latency 26332.262 ms 1 304 0.00 MB/sec execute 17 sec latency 27332.534 ms 1 304 0.00 MB/sec execute 18 sec latency 28333.580 ms 1 304 0.00 MB/sec execute 19 sec latency 29334.759 ms 1 304 0.00 MB/sec execute 20 sec latency 30335.010 ms 1 304 0.00 MB/sec execute 21 sec latency 31335.288 ms 1 304 0.00 MB/sec execute 22 sec latency 32335.968 ms oleg414-server: oleg414-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 23 sec latency 33336.860 ms pdsh@oleg414-client: oleg414-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 24 sec latency 34338.147 ms Started lustre-MDT0000 05:37:31 (1789637851) targets are mounted 05:37:31 (1789637851) facet_failover done 1 304 0.00 MB/sec execute 25 sec latency 35338.585 ms 1 304 0.00 MB/sec execute 26 sec latency 36338.988 ms 1 304 0.00 MB/sec execute 27 sec latency 37339.187 ms 1 304 0.00 MB/sec execute 28 sec latency 38340.336 ms 1 304 0.00 MB/sec execute 29 sec latency 39340.969 ms 1 304 0.00 MB/sec execute 30 sec latency 40341.659 ms 1 304 0.00 MB/sec execute 31 sec latency 41341.836 ms 1 304 0.00 MB/sec execute 32 sec latency 42343.366 ms 1 323 0.02 MB/sec execute 33 sec latency 42508.640 ms 1 357 0.05 MB/sec execute 34 sec latency 125.292 ms 1 390 0.07 MB/sec execute 35 sec latency 133.656 ms 1 421 0.10 MB/sec execute 36 sec latency 181.949 ms 1 453 0.13 MB/sec execute 37 sec latency 167.042 ms oleg414-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 485 0.15 MB/sec execute 38 sec latency 232.879 ms 1 504 0.16 MB/sec execute 39 sec latency 191.643 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 542 0.20 MB/sec execute 40 sec latency 190.256 ms 1 607 0.24 MB/sec execute 41 sec latency 186.556 ms 1 644 0.23 MB/sec execute 42 sec latency 150.548 ms 1 671 0.23 MB/sec execute 43 sec latency 175.073 ms 1 695 0.23 MB/sec execute 44 sec latency 178.971 ms 1 721 0.22 MB/sec execute 45 sec latency 177.767 ms 1 735 0.22 MB/sec execute 46 sec latency 293.239 ms 1 776 0.22 MB/sec execute 47 sec latency 104.234 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 3719168 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3729408 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7448576 1% /mnt/lustre 1 796 0.21 MB/sec execute 48 sec latency 307.656 ms 1 811 0.21 MB/sec execute 49 sec latency 165.379 ms 1 861 0.21 MB/sec execute 50 sec latency 146.856 ms 1 885 0.20 MB/sec execute 51 sec latency 188.500 ms 1 913 0.20 MB/sec execute 52 sec latency 131.415 ms 1 948 0.20 MB/sec execute 53 sec latency 216.571 ms test_26 fail mds1 2 times 1 977 0.20 MB/sec execute 54 sec latency 124.938 ms 1 992 0.19 MB/sec execute 55 sec latency 228.839 ms Failing mds1 on oleg414-server 1 1059 0.21 MB/sec execute 56 sec latency 122.110 ms Stopping /mnt/lustre-mds1 (opts:) on oleg414-server 1 1103 0.21 MB/sec execute 57 sec latency 84.522 ms 1 1129 0.20 MB/sec execute 58 sec latency 311.550 ms 1 1129 0.20 MB/sec execute 59 sec latency 1313.586 ms 1 1129 0.20 MB/sec execute 60 sec latency 2313.804 ms 05:38:07 (1789637887) shut down facet: mds1 facet_host: oleg414-server facet_failover_host: oleg414-server 1 1129 0.19 MB/sec execute 61 sec latency 3314.302 ms 1 1129 0.19 MB/sec execute 62 sec latency 4315.602 ms 1 1129 0.19 MB/sec execute 63 sec latency 5316.144 ms 1 1129 0.18 MB/sec execute 64 sec latency 6318.164 ms 1 1129 0.18 MB/sec execute 65 sec latency 7318.492 ms 1 1129 0.18 MB/sec execute 66 sec latency 8318.748 ms 1 1129 0.18 MB/sec execute 67 sec latency 9319.718 ms 1 1129 0.17 MB/sec execute 68 sec latency 10320.662 ms 1 1129 0.17 MB/sec execute 69 sec latency 11322.722 ms 1 1129 0.17 MB/sec execute 70 sec latency 12323.878 ms 1 1129 0.17 MB/sec execute 71 sec latency 13324.567 ms Failover mds1 to oleg414-server mount facets: mds1 1 1129 0.16 MB/sec execute 72 sec latency 14327.097 ms 1 1129 0.16 MB/sec execute 73 sec latency 15328.601 ms 1 1129 0.16 MB/sec execute 74 sec latency 16329.104 ms 1 1129 0.16 MB/sec execute 75 sec latency 17329.432 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1129 0.15 MB/sec execute 76 sec latency 18329.696 ms 1 1129 0.15 MB/sec execute 77 sec latency 19331.515 ms 1 1129 0.15 MB/sec execute 78 sec latency 20331.786 ms 1 1129 0.15 MB/sec execute 79 sec latency 21333.301 ms 1 1129 0.15 MB/sec execute 80 sec latency 22335.125 ms 1 1129 0.14 MB/sec execute 81 sec latency 23337.026 ms 1 1129 0.14 MB/sec execute 82 sec latency 24339.682 ms oleg414-server: oleg414-server.virtnet: executing set_default_debug -1 all 1 1129 0.14 MB/sec execute 83 sec latency 25340.635 ms pdsh@oleg414-client: oleg414-server: ssh exited with exit code 1 1 1129 0.14 MB/sec execute 84 sec latency 26340.867 ms Started lustre-MDT0000 05:38:30 (1789637910) targets are mounted 05:38:30 (1789637910) facet_failover done 1 1129 0.14 MB/sec execute 85 sec latency 27341.275 ms 1 1129 0.14 MB/sec execute 86 sec latency 28341.484 ms 1 1129 0.14 MB/sec execute 87 sec latency 29344.409 ms 1 1129 0.13 MB/sec execute 88 sec latency 30345.781 ms 1 1129 0.13 MB/sec execute 89 sec latency 31346.264 ms 1 1129 0.13 MB/sec execute 90 sec latency 32346.645 ms 1 1129 0.13 MB/sec execute 91 sec latency 33348.271 ms 1 1129 0.13 MB/sec execute 92 sec latency 34348.571 ms 1 1129 0.13 MB/sec execute 93 sec latency 35351.277 ms 1 1129 0.12 MB/sec execute 94 sec latency 36353.326 ms 1 1129 0.12 MB/sec execute 95 sec latency 37353.767 ms 1 1129 0.12 MB/sec execute 96 sec latency 38354.833 ms 1 1129 0.12 MB/sec execute 97 sec latency 39356.790 ms 1 1132 0.12 MB/sec execute 98 sec latency 40066.859 ms 1 1156 0.12 MB/sec execute 99 sec latency 138.484 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg414-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 126 91.032 302.795 Close 116 726.249 42508.596 Rename 7 120.912 177.740 Unlink 13 36.853 58.643 Qpathinfo 70 29.329 196.927 Qfileinfo 55 2.358 13.132 Qfsinfo 28 4.692 45.164 Sfileinfo 27 81.712 188.483 Find 36 10.806 117.569 WriteX 265 16.226 86.095 ReadX 123 5.503 80.603 Flush 24 146.397 307.635 Throughput 0.118881 MB/sec 1 clients 1 procs max_latency=42508.640 ms stopping dbench on /mnt/lustre at Thu Sep 17 05:38:50 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 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 Thu Sep 17 05:38:57 EDT 2026 waiting for dbench pid 47252 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 30 1.05 MB/sec warmup 1 sec latency 21.404 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 28672 3695616 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 43008 7440384 1% /mnt/lustre 1 71 1.57 MB/sec warmup 2 sec latency 175.362 ms 1 113 1.74 MB/sec warmup 3 sec latency 218.957 ms 1 138 1.50 MB/sec warmup 4 sec latency 231.437 ms 1 165 1.36 MB/sec warmup 5 sec latency 224.018 ms 1 197 1.30 MB/sec warmup 6 sec latency 178.962 ms 1 231 1.27 MB/sec warmup 7 sec latency 140.274 ms 1 264 1.24 MB/sec warmup 8 sec latency 142.536 ms test_26 fail mds1 3 times 1 297 1.21 MB/sec warmup 9 sec latency 146.311 ms 1 323 1.17 MB/sec warmup 10 sec latency 178.738 ms 1 341 1.11 MB/sec warmup 11 sec latency 253.618 ms Failing mds1 on oleg414-server 1 376 1.10 MB/sec warmup 12 sec latency 178.815 ms Stopping /mnt/lustre-mds1 (opts:) on oleg414-server 1 417 1.12 MB/sec warmup 13 sec latency 104.436 ms 1 436 1.09 MB/sec warmup 14 sec latency 636.764 ms 1 436 1.02 MB/sec warmup 15 sec latency 1637.562 ms 1 436 0.96 MB/sec warmup 16 sec latency 2637.774 ms 05:39:13 (1789637953) shut down facet: mds1 facet_host: oleg414-server facet_failover_host: oleg414-server 1 436 0.90 MB/sec warmup 17 sec latency 3638.598 ms 1 436 0.85 MB/sec warmup 18 sec latency 4638.914 ms 1 436 0.81 MB/sec warmup 19 sec latency 5640.130 ms 1 436 0.00 MB/sec execute 1 sec latency 7641.346 ms 1 436 0.00 MB/sec execute 2 sec latency 8641.564 ms 1 436 0.00 MB/sec execute 3 sec latency 9642.385 ms 1 436 0.00 MB/sec execute 4 sec latency 10643.361 ms 1 436 0.00 MB/sec execute 5 sec latency 11644.152 ms 1 436 0.00 MB/sec execute 6 sec latency 12644.446 ms Failover mds1 to oleg414-server 1 436 0.00 MB/sec execute 7 sec latency 13645.029 ms mount facets: mds1 1 436 0.00 MB/sec execute 8 sec latency 14645.272 ms 1 436 0.00 MB/sec execute 9 sec latency 15645.488 ms 1 436 0.00 MB/sec execute 10 sec latency 16647.425 ms 1 436 0.00 MB/sec execute 11 sec latency 17648.134 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 436 0.00 MB/sec execute 12 sec latency 18649.197 ms 1 436 0.00 MB/sec execute 13 sec latency 19649.673 ms 1 436 0.00 MB/sec execute 14 sec latency 20652.542 ms 1 436 0.00 MB/sec execute 15 sec latency 21653.902 ms 1 436 0.00 MB/sec execute 16 sec latency 22654.316 ms 1 436 0.00 MB/sec execute 17 sec latency 23655.333 ms 1 436 0.00 MB/sec execute 18 sec latency 24655.667 ms oleg414-server: oleg414-server.virtnet: executing set_default_debug -1 all 1 436 0.00 MB/sec execute 19 sec latency 25657.419 ms pdsh@oleg414-client: oleg414-server: ssh exited with exit code 1 1 436 0.00 MB/sec execute 20 sec latency 26659.961 ms Started lustre-MDT0000 05:39:38 (1789637978) targets are mounted 05:39:38 (1789637978) facet_failover done 1 436 0.00 MB/sec execute 21 sec latency 27660.268 ms 1 436 0.00 MB/sec execute 22 sec latency 28660.711 ms 1 436 0.00 MB/sec execute 23 sec latency 29661.484 ms 1 436 0.00 MB/sec execute 24 sec latency 30661.799 ms 1 436 0.00 MB/sec execute 25 sec latency 31662.179 ms 1 436 0.00 MB/sec execute 26 sec latency 32662.471 ms 1 436 0.00 MB/sec execute 27 sec latency 33664.583 ms 1 436 0.00 MB/sec execute 28 sec latency 34665.592 ms 1 436 0.00 MB/sec execute 29 sec latency 35665.845 ms 1 436 0.00 MB/sec execute 30 sec latency 36666.049 ms 1 436 0.00 MB/sec execute 31 sec latency 37668.814 ms 1 436 0.00 MB/sec execute 32 sec latency 38670.022 ms 1 436 0.00 MB/sec execute 33 sec latency 39670.614 ms 1 453 0.02 MB/sec execute 34 sec latency 39743.041 ms 1 486 0.04 MB/sec execute 35 sec latency 155.878 ms 1 513 0.06 MB/sec execute 36 sec latency 207.941 ms 1 566 0.10 MB/sec execute 37 sec latency 197.124 ms 1 616 0.15 MB/sec execute 38 sec latency 101.613 ms 1 661 0.15 MB/sec execute 39 sec latency 137.942 ms oleg414-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.14 MB/sec execute 40 sec latency 252.621 ms 1 708 0.14 MB/sec execute 41 sec latency 155.384 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 723 0.14 MB/sec execute 42 sec latency 468.707 ms 1 742 0.14 MB/sec execute 43 sec latency 142.399 ms 1 770 0.14 MB/sec execute 44 sec latency 166.865 ms 1 794 0.13 MB/sec execute 45 sec latency 213.757 ms 1 815 0.13 MB/sec execute 46 sec latency 129.455 ms 1 863 0.13 MB/sec execute 47 sec latency 144.176 ms 1 885 0.13 MB/sec execute 48 sec latency 264.066 ms 1 913 0.13 MB/sec execute 49 sec latency 141.745 ms 1 933 0.13 MB/sec execute 50 sec latency 225.886 ms 1 969 0.13 MB/sec execute 51 sec latency 119.225 ms 1 990 0.13 MB/sec execute 52 sec latency 251.610 ms 1 1056 0.14 MB/sec execute 53 sec latency 102.556 ms 1 1124 0.14 MB/sec execute 54 sec latency 74.398 ms 1 1148 0.14 MB/sec execute 55 sec latency 144.535 ms 1 1198 0.14 MB/sec execute 56 sec latency 94.411 ms 1 1231 0.13 MB/sec execute 57 sec latency 153.447 ms 1 1263 0.13 MB/sec execute 58 sec latency 147.901 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 17 05:40:16 EDT 2026 with return code 0 1 1389 0.18 MB/sec execute 59 sec latency 110.995 ms 47252 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47252 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished