== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:53:31 (1790898811) Starting client oleg145-client.virtnet: -o user_xattr,flock 192.168.201.145@tcp:/lustre /mnt/lustre Started clients oleg145-client.virtnet: 192.168.201.145@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 45272 Started dbench loop with 45273 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 18432 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7502848 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 Oct 1 19:53:38 EDT 2026 waiting for dbench pid 45341 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 0 12 0.00 MB/sec warmup 1 sec latency 36.819 ms 1 58 1.18 MB/sec warmup 2 sec latency 181.839 ms 1 107 1.68 MB/sec warmup 3 sec latency 199.767 ms 1 129 1.43 MB/sec warmup 4 sec latency 208.552 ms 1 155 1.30 MB/sec warmup 5 sec latency 154.344 ms test_26 fail mds1 1 times 1 184 1.23 MB/sec warmup 6 sec latency 150.452 ms 1 207 1.15 MB/sec warmup 7 sec latency 208.669 ms 1 231 1.10 MB/sec warmup 8 sec latency 225.869 ms Failing mds1 on oleg145-server 1 254 1.07 MB/sec warmup 9 sec latency 309.395 ms Stopping /mnt/lustre-mds1 (opts:) on oleg145-server 1 280 1.04 MB/sec warmup 10 sec latency 168.647 ms 1 305 1.02 MB/sec warmup 11 sec latency 214.009 ms 1 305 0.93 MB/sec warmup 12 sec latency 1214.274 ms 1 305 0.86 MB/sec warmup 13 sec latency 2214.483 ms 19:53:52 (1790898832) shut down facet: mds1 facet_host: oleg145-server facet_failover_host: oleg145-server 1 305 0.80 MB/sec warmup 14 sec latency 3217.620 ms 1 305 0.75 MB/sec warmup 15 sec latency 4219.484 ms 1 305 0.70 MB/sec warmup 16 sec latency 5221.563 ms 1 305 0.66 MB/sec warmup 17 sec latency 6221.835 ms 1 305 0.62 MB/sec warmup 18 sec latency 7222.322 ms 1 305 0.59 MB/sec warmup 19 sec latency 8223.804 ms 1 305 0.00 MB/sec execute 1 sec latency 10224.510 ms 1 305 0.00 MB/sec execute 2 sec latency 11226.349 ms 1 305 0.00 MB/sec execute 3 sec latency 12227.479 ms 1 305 0.00 MB/sec execute 4 sec latency 13228.032 ms Failover mds1 to oleg145-server mount facets: mds1 1 305 0.00 MB/sec execute 5 sec latency 14228.282 ms 1 305 0.00 MB/sec execute 6 sec latency 15228.561 ms 1 305 0.00 MB/sec execute 7 sec latency 16231.679 ms 1 305 0.00 MB/sec execute 8 sec latency 17231.923 ms 1 305 0.00 MB/sec execute 9 sec latency 18232.946 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 305 0.00 MB/sec execute 10 sec latency 19233.595 ms 1 305 0.00 MB/sec execute 11 sec latency 20234.333 ms 1 305 0.00 MB/sec execute 12 sec latency 21234.925 ms 1 305 0.00 MB/sec execute 13 sec latency 22236.449 ms 1 305 0.00 MB/sec execute 14 sec latency 23236.811 ms 1 305 0.00 MB/sec execute 15 sec latency 24238.379 ms 1 305 0.00 MB/sec execute 16 sec latency 25238.687 ms 1 305 0.00 MB/sec execute 17 sec latency 26238.938 ms oleg145-server: oleg145-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 18 sec latency 27239.244 ms pdsh@oleg145-client: oleg145-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 19 sec latency 28239.580 ms Started lustre-MDT0000 19:54:18 (1790898858) targets are mounted 19:54:18 (1790898858) facet_failover done 1 305 0.00 MB/sec execute 20 sec latency 29239.954 ms 1 305 0.00 MB/sec execute 21 sec latency 30240.304 ms 1 305 0.00 MB/sec execute 22 sec latency 31241.471 ms 1 305 0.00 MB/sec execute 23 sec latency 32242.051 ms 1 305 0.00 MB/sec execute 24 sec latency 33242.351 ms 1 305 0.00 MB/sec execute 25 sec latency 34244.968 ms 1 305 0.00 MB/sec execute 26 sec latency 35246.133 ms 1 305 0.00 MB/sec execute 27 sec latency 36248.350 ms 1 305 0.00 MB/sec execute 28 sec latency 37249.432 ms 1 305 0.00 MB/sec execute 29 sec latency 38250.902 ms 1 305 0.00 MB/sec execute 30 sec latency 39251.128 ms 1 305 0.00 MB/sec execute 31 sec latency 40251.536 ms 1 313 0.01 MB/sec execute 32 sec latency 40759.839 ms 1 340 0.03 MB/sec execute 33 sec latency 338.955 ms 1 365 0.05 MB/sec execute 34 sec latency 200.534 ms 1 397 0.08 MB/sec execute 35 sec latency 171.638 ms 1 429 0.11 MB/sec execute 36 sec latency 151.496 ms 1 461 0.13 MB/sec execute 37 sec latency 175.460 ms oleg145-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 501 0.16 MB/sec execute 38 sec latency 105.415 ms 1 529 0.18 MB/sec execute 39 sec latency 174.197 ms 1 603 0.24 MB/sec execute 40 sec latency 158.086 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 661 0.24 MB/sec execute 41 sec latency 86.074 ms 1 674 0.24 MB/sec execute 42 sec latency 379.062 ms 1 697 0.23 MB/sec execute 43 sec latency 208.804 ms 1 721 0.23 MB/sec execute 44 sec latency 149.967 ms 1 737 0.22 MB/sec execute 45 sec latency 235.248 ms 1 769 0.22 MB/sec execute 46 sec latency 129.060 ms 1 791 0.22 MB/sec execute 47 sec latency 316.945 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3683328 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7408640 1% /mnt/lustre 1 806 0.21 MB/sec execute 48 sec latency 177.189 ms 1 845 0.21 MB/sec execute 49 sec latency 181.862 ms 1 873 0.21 MB/sec execute 50 sec latency 122.806 ms 1 888 0.20 MB/sec execute 51 sec latency 255.851 ms 1 910 0.20 MB/sec execute 52 sec latency 172.490 ms 1 926 0.20 MB/sec execute 53 sec latency 375.325 ms 1 967 0.20 MB/sec execute 54 sec latency 108.418 ms test_26 fail mds1 2 times 1 986 0.19 MB/sec execute 55 sec latency 276.657 ms 1 1040 0.21 MB/sec execute 56 sec latency 131.525 ms Failing mds1 on oleg145-server 1 1069 0.20 MB/sec execute 57 sec latency 132.929 ms 1 1105 0.20 MB/sec execute 58 sec latency 166.643 ms Stopping /mnt/lustre-mds1 (opts:) on oleg145-server 1 1145 0.20 MB/sec execute 59 sec latency 120.647 ms 1 1147 0.20 MB/sec execute 60 sec latency 889.296 ms 1 1147 0.19 MB/sec execute 61 sec latency 1889.960 ms 1 1147 0.19 MB/sec execute 62 sec latency 2894.305 ms 19:55:00 (1790898900) shut down facet: mds1 facet_host: oleg145-server facet_failover_host: oleg145-server 1 1147 0.19 MB/sec execute 63 sec latency 3896.439 ms 1 1147 0.18 MB/sec execute 64 sec latency 4896.744 ms 1 1147 0.18 MB/sec execute 65 sec latency 5896.983 ms 1 1147 0.18 MB/sec execute 66 sec latency 6898.927 ms 1 1147 0.18 MB/sec execute 67 sec latency 7902.255 ms 1 1147 0.17 MB/sec execute 68 sec latency 8902.559 ms 1 1147 0.17 MB/sec execute 69 sec latency 9905.745 ms 1 1147 0.17 MB/sec execute 70 sec latency 10906.080 ms 1 1147 0.17 MB/sec execute 71 sec latency 11906.371 ms 1 1147 0.16 MB/sec execute 72 sec latency 12906.665 ms Failover mds1 to oleg145-server mount facets: mds1 1 1147 0.16 MB/sec execute 73 sec latency 13906.876 ms 1 1147 0.16 MB/sec execute 74 sec latency 14907.073 ms 1 1147 0.16 MB/sec execute 75 sec latency 15907.912 ms 1 1147 0.15 MB/sec execute 76 sec latency 16910.157 ms 1 1147 0.15 MB/sec execute 77 sec latency 17912.028 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1147 0.15 MB/sec execute 78 sec latency 18912.795 ms 1 1147 0.15 MB/sec execute 79 sec latency 19913.223 ms 1 1147 0.15 MB/sec execute 80 sec latency 20914.121 ms 1 1147 0.15 MB/sec execute 81 sec latency 21916.526 ms 1 1147 0.14 MB/sec execute 82 sec latency 22916.859 ms 1 1147 0.14 MB/sec execute 83 sec latency 23917.086 ms 1 1147 0.14 MB/sec execute 84 sec latency 24917.458 ms 1 1147 0.14 MB/sec execute 85 sec latency 25918.054 ms 1 1147 0.14 MB/sec execute 86 sec latency 26920.753 ms 1 1147 0.14 MB/sec execute 87 sec latency 27921.050 ms 1 1147 0.13 MB/sec execute 88 sec latency 28921.307 ms 1 1147 0.13 MB/sec execute 89 sec latency 29921.519 ms 1 1147 0.13 MB/sec execute 90 sec latency 30921.779 ms 1 1147 0.13 MB/sec execute 91 sec latency 31922.551 ms 1 1147 0.13 MB/sec execute 92 sec latency 32922.747 ms 1 1147 0.13 MB/sec execute 93 sec latency 33923.729 ms 1 1147 0.13 MB/sec execute 94 sec latency 34924.915 ms 1 1147 0.12 MB/sec execute 95 sec latency 35925.490 ms oleg145-server: oleg145-server.virtnet: executing set_default_debug -1 all 1 1147 0.12 MB/sec execute 96 sec latency 36925.751 ms 1 1147 0.12 MB/sec execute 97 sec latency 37929.799 ms pdsh@oleg145-client: oleg145-server: ssh exited with exit code 1 1 1147 0.12 MB/sec execute 98 sec latency 38931.002 ms Started lustre-MDT0000 19:55:37 (1790898937) targets are mounted 19:55:37 (1790898937) facet_failover done 1 1147 0.12 MB/sec execute 99 sec latency 39931.229 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 120 438.051 40759.822 Close 112 17.514 68.588 Rename 7 6233.650 43046.123 Unlink 12 33.026 52.222 Qpathinfo 59 30.233 132.899 Qfileinfo 53 1.725 6.146 Qfsinfo 26 6.628 46.103 Sfileinfo 23 74.730 169.031 Find 32 10.491 86.055 WriteX 261 15.417 73.721 ReadX 114 5.805 120.624 Flush 24 171.051 379.043 Throughput 0.118724 MB/sec 1 clients 1 procs max_latency=40759.839 ms stopping dbench on /mnt/lustre at Thu Oct 1 19:55:44 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg145-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 Oct 1 19:55:52 EDT 2026 waiting for dbench pid 47283 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 33 1.05 MB/sec warmup 1 sec latency 114.602 ms 1 91 2.09 MB/sec warmup 2 sec latency 181.416 ms 1 129 1.91 MB/sec warmup 3 sec latency 177.274 ms 1 155 1.63 MB/sec warmup 4 sec latency 183.517 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3702784 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 19456 3705856 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7408640 1% /mnt/lustre 1 181 1.46 MB/sec warmup 5 sec latency 179.637 ms 1 203 1.31 MB/sec warmup 6 sec latency 191.878 ms 1 247 1.34 MB/sec warmup 7 sec latency 150.535 ms 1 280 1.30 MB/sec warmup 8 sec latency 131.176 ms 1 313 1.27 MB/sec warmup 9 sec latency 209.955 ms 1 349 1.25 MB/sec warmup 10 sec latency 128.644 ms 1 389 1.25 MB/sec warmup 11 sec latency 172.346 ms test_26 fail mds1 3 times 1 420 1.24 MB/sec warmup 12 sec latency 175.548 ms 1 449 1.21 MB/sec warmup 13 sec latency 164.785 ms Failing mds1 on oleg145-server 1 478 1.19 MB/sec warmup 14 sec latency 194.774 ms Stopping /mnt/lustre-mds1 (opts:) on oleg145-server 1 512 1.18 MB/sec warmup 15 sec latency 153.109 ms 1 570 1.19 MB/sec warmup 16 sec latency 179.562 ms 1 600 1.23 MB/sec warmup 17 sec latency 626.362 ms 1 600 1.16 MB/sec warmup 18 sec latency 1626.550 ms 1 600 1.10 MB/sec warmup 19 sec latency 2626.761 ms 19:56:11 (1790898971) shut down facet: mds1 facet_host: oleg145-server facet_failover_host: oleg145-server 1 600 0.00 MB/sec execute 1 sec latency 4627.264 ms 1 600 0.00 MB/sec execute 2 sec latency 5627.408 ms 1 600 0.00 MB/sec execute 3 sec latency 6627.653 ms 1 600 0.00 MB/sec execute 4 sec latency 7628.279 ms 1 600 0.00 MB/sec execute 5 sec latency 8628.564 ms 1 600 0.00 MB/sec execute 6 sec latency 9631.621 ms 1 600 0.00 MB/sec execute 7 sec latency 10632.708 ms 1 600 0.00 MB/sec execute 8 sec latency 11635.996 ms 1 600 0.00 MB/sec execute 9 sec latency 12636.688 ms 1 600 0.00 MB/sec execute 10 sec latency 13638.172 ms Failover mds1 to oleg145-server mount facets: mds1 1 600 0.00 MB/sec execute 11 sec latency 14638.414 ms 1 600 0.00 MB/sec execute 12 sec latency 15638.660 ms 1 600 0.00 MB/sec execute 13 sec latency 16641.541 ms 1 600 0.00 MB/sec execute 14 sec latency 17642.127 ms 1 600 0.00 MB/sec execute 15 sec latency 18644.039 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 16 sec latency 19645.000 ms 1 600 0.00 MB/sec execute 17 sec latency 20646.553 ms 1 600 0.00 MB/sec execute 18 sec latency 21646.980 ms 1 600 0.00 MB/sec execute 19 sec latency 22647.343 ms 1 600 0.00 MB/sec execute 20 sec latency 23649.480 ms 1 600 0.00 MB/sec execute 21 sec latency 24650.511 ms 1 600 0.00 MB/sec execute 22 sec latency 25651.043 ms 1 600 0.00 MB/sec execute 23 sec latency 26651.316 ms 1 600 0.00 MB/sec execute 24 sec latency 27652.701 ms 1 600 0.00 MB/sec execute 25 sec latency 28653.120 ms 1 600 0.00 MB/sec execute 26 sec latency 29653.378 ms 1 600 0.00 MB/sec execute 27 sec latency 30653.531 ms 1 600 0.00 MB/sec execute 28 sec latency 31653.784 ms 1 600 0.00 MB/sec execute 29 sec latency 32654.070 ms 1 600 0.00 MB/sec execute 30 sec latency 33654.724 ms oleg145-server: oleg145-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 31 sec latency 34659.878 ms pdsh@oleg145-client: oleg145-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 32 sec latency 35665.153 ms Started lustre-MDT0000 1 600 0.00 MB/sec execute 33 sec latency 36668.446 ms 19:56:45 (1790899005) targets are mounted 19:56:45 (1790899005) facet_failover done 1 600 0.00 MB/sec execute 34 sec latency 37668.698 ms 1 600 0.00 MB/sec execute 35 sec latency 38668.931 ms 1 600 0.00 MB/sec execute 36 sec latency 39669.516 ms 1 600 0.00 MB/sec execute 37 sec latency 40669.759 ms 1 601 0.00 MB/sec execute 38 sec latency 41647.201 ms 1 641 0.00 MB/sec execute 39 sec latency 174.210 ms 1 666 0.00 MB/sec execute 40 sec latency 321.611 ms 1 689 0.01 MB/sec execute 41 sec latency 206.329 ms 1 712 0.01 MB/sec execute 42 sec latency 189.014 ms 1 730 0.01 MB/sec execute 43 sec latency 363.926 ms 1 759 0.01 MB/sec execute 44 sec latency 148.999 ms oleg145-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 779 0.01 MB/sec execute 45 sec latency 168.414 ms 1 799 0.01 MB/sec execute 46 sec latency 368.628 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 817 0.01 MB/sec execute 47 sec latency 179.648 ms 1 864 0.01 MB/sec execute 48 sec latency 164.116 ms 1 882 0.01 MB/sec execute 49 sec latency 323.146 ms 1 902 0.01 MB/sec execute 50 sec latency 176.161 ms 1 919 0.02 MB/sec execute 51 sec latency 276.832 ms 1 964 0.02 MB/sec execute 52 sec latency 110.248 ms 1 981 0.02 MB/sec execute 53 sec latency 378.956 ms 1 1002 0.02 MB/sec execute 54 sec latency 149.459 ms 1 1050 0.03 MB/sec execute 55 sec latency 264.181 ms 1 1099 0.04 MB/sec execute 56 sec latency 80.462 ms 1 1132 0.04 MB/sec execute 57 sec latency 132.330 ms 1 1159 0.04 MB/sec execute 58 sec latency 132.881 ms 1 1200 0.04 MB/sec execute 59 sec latency 140.794 ms 1 1242 0.04 MB/sec execute 60 sec latency 79.163 ms 1 1273 0.04 MB/sec execute 61 sec latency 174.465 ms 1 1391 0.08 MB/sec execute 62 sec latency 108.758 ms 1 1421 0.08 MB/sec execute 63 sec latency 146.925 ms 1 1453 0.08 MB/sec execute 64 sec latency 122.080 ms 1 1489 0.08 MB/sec execute 65 sec latency 192.067 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Oct 1 19:57:17 EDT 2026 with return code 0 47283 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47283 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished