== replay-dual test 26: dbench and tar with mds failover ========================================================== 14:37:15 (1779993435) Starting client oleg117-client.virtnet: -o user_xattr,flock 192.168.201.117@tcp:/lustre /mnt/lustre Started clients oleg117-client.virtnet: 192.168.201.117@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44580 Started dbench loop with 44581 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3745792 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7505920 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 May 28 14:37:25 EDT 2026 waiting for dbench pid 44649 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 8 0.00 MB/sec warmup 1 sec latency 62.970 ms 1 34 0.52 MB/sec warmup 2 sec latency 203.316 ms 1 71 1.05 MB/sec warmup 3 sec latency 215.806 ms 1 111 1.31 MB/sec warmup 4 sec latency 194.524 ms 1 139 1.20 MB/sec warmup 5 sec latency 182.929 ms test_26 fail mds1 1 times 1 165 1.13 MB/sec warmup 6 sec latency 184.963 ms 1 189 1.08 MB/sec warmup 7 sec latency 210.098 ms 1 204 0.99 MB/sec warmup 8 sec latency 395.631 ms Failing mds1 on oleg117-server 1 229 0.98 MB/sec warmup 9 sec latency 165.928 ms Stopping /mnt/lustre-mds1 (opts:) on oleg117-server 1 255 0.96 MB/sec warmup 10 sec latency 166.288 ms 1 287 0.97 MB/sec warmup 11 sec latency 169.921 ms 1 287 0.89 MB/sec warmup 12 sec latency 1170.138 ms 1 287 0.82 MB/sec warmup 13 sec latency 2174.738 ms 1 287 0.76 MB/sec warmup 14 sec latency 3175.130 ms 14:37:39 (1779993459) shut down facet: mds1 facet_host: oleg117-server facet_failover_host: oleg117-server 1 287 0.71 MB/sec warmup 15 sec latency 4175.303 ms 1 287 0.67 MB/sec warmup 16 sec latency 5175.914 ms 1 287 0.63 MB/sec warmup 17 sec latency 6176.463 ms 1 287 0.59 MB/sec warmup 18 sec latency 7177.933 ms 1 287 0.56 MB/sec warmup 19 sec latency 8178.434 ms 1 287 0.00 MB/sec execute 1 sec latency 10180.988 ms 1 287 0.00 MB/sec execute 2 sec latency 11181.923 ms 1 287 0.00 MB/sec execute 3 sec latency 12182.177 ms 1 287 0.00 MB/sec execute 4 sec latency 13183.254 ms 1 287 0.00 MB/sec execute 5 sec latency 14184.718 ms Failover mds1 to oleg117-server mount facets: mds1 1 287 0.00 MB/sec execute 6 sec latency 15185.250 ms 1 287 0.00 MB/sec execute 7 sec latency 16186.077 ms 1 287 0.00 MB/sec execute 8 sec latency 17186.382 ms 1 287 0.00 MB/sec execute 9 sec latency 18187.452 ms 1 287 0.00 MB/sec execute 10 sec latency 19187.814 ms 1 287 0.00 MB/sec execute 11 sec latency 20188.881 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 287 0.00 MB/sec execute 12 sec latency 21189.116 ms 1 287 0.00 MB/sec execute 13 sec latency 22189.367 ms 1 287 0.00 MB/sec execute 14 sec latency 23189.836 ms 1 287 0.00 MB/sec execute 15 sec latency 24190.155 ms 1 287 0.00 MB/sec execute 16 sec latency 25209.896 ms 1 287 0.00 MB/sec execute 17 sec latency 26214.186 ms 1 287 0.00 MB/sec execute 18 sec latency 27214.667 ms 1 287 0.00 MB/sec execute 19 sec latency 28217.306 ms 1 287 0.00 MB/sec execute 20 sec latency 29217.687 ms 1 287 0.00 MB/sec execute 21 sec latency 30217.900 ms 1 287 0.00 MB/sec execute 22 sec latency 31218.368 ms 1 287 0.00 MB/sec execute 23 sec latency 32218.690 ms 1 287 0.00 MB/sec execute 24 sec latency 33222.096 ms oleg117-server: oleg117-server.virtnet: executing set_default_debug -1 all 1 287 0.00 MB/sec execute 25 sec latency 34222.827 ms 1 287 0.00 MB/sec execute 26 sec latency 35223.578 ms pdsh@oleg117-client: oleg117-server: ssh exited with exit code 1 1 287 0.00 MB/sec execute 27 sec latency 36223.907 ms Started lustre-MDT0000 14:38:13 (1779993493) targets are mounted 14:38:13 (1779993493) facet_failover done 1 287 0.00 MB/sec execute 28 sec latency 37226.109 ms 1 287 0.00 MB/sec execute 29 sec latency 38230.406 ms 1 287 0.00 MB/sec execute 30 sec latency 39231.445 ms 1 287 0.00 MB/sec execute 31 sec latency 40232.470 ms 1 287 0.00 MB/sec execute 32 sec latency 41232.950 ms 1 287 0.00 MB/sec execute 33 sec latency 42235.001 ms 1 287 0.00 MB/sec execute 34 sec latency 43235.609 ms 1 287 0.00 MB/sec execute 35 sec latency 44241.906 ms 1 297 0.01 MB/sec execute 36 sec latency 44800.365 ms 1 319 0.02 MB/sec execute 37 sec latency 257.673 ms 1 345 0.04 MB/sec execute 38 sec latency 164.768 ms oleg117-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 381 0.07 MB/sec execute 39 sec latency 173.977 ms 1 405 0.09 MB/sec execute 40 sec latency 190.258 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 437 0.11 MB/sec execute 41 sec latency 195.268 ms 1 493 0.15 MB/sec execute 42 sec latency 106.230 ms 1 519 0.17 MB/sec execute 43 sec latency 170.639 ms 1 597 0.23 MB/sec execute 44 sec latency 168.301 ms 1 636 0.23 MB/sec execute 45 sec latency 124.082 ms 1 669 0.23 MB/sec execute 46 sec latency 166.463 ms 1 694 0.22 MB/sec execute 47 sec latency 138.699 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3724288 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3694592 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7418880 1% /mnt/lustre 1 713 0.22 MB/sec execute 48 sec latency 136.051 ms 1 731 0.22 MB/sec execute 49 sec latency 251.777 ms 1 759 0.21 MB/sec execute 50 sec latency 167.997 ms 1 781 0.21 MB/sec execute 51 sec latency 123.997 ms 1 798 0.21 MB/sec execute 52 sec latency 398.930 ms 1 821 0.20 MB/sec execute 53 sec latency 130.929 ms 1 867 0.20 MB/sec execute 54 sec latency 111.584 ms test_26 fail mds1 2 times 1 882 0.20 MB/sec execute 55 sec latency 295.356 ms 1 910 0.20 MB/sec execute 56 sec latency 141.232 ms Failing mds1 on oleg117-server 1 923 0.19 MB/sec execute 57 sec latency 278.126 ms Stopping /mnt/lustre-mds1 (opts:) on oleg117-server 1 952 0.19 MB/sec execute 58 sec latency 153.762 ms 1 980 0.19 MB/sec execute 59 sec latency 175.174 ms 1 980 0.19 MB/sec execute 60 sec latency 1137.448 ms 1 980 0.18 MB/sec execute 61 sec latency 2143.907 ms 14:38:47 (1779993527) shut down facet: mds1 facet_host: oleg117-server facet_failover_host: oleg117-server 1 980 0.18 MB/sec execute 62 sec latency 3144.091 ms 1 980 0.18 MB/sec execute 63 sec latency 4146.783 ms 1 980 0.17 MB/sec execute 64 sec latency 5147.597 ms 1 980 0.17 MB/sec execute 65 sec latency 6147.858 ms 1 980 0.17 MB/sec execute 66 sec latency 7148.167 ms 1 980 0.17 MB/sec execute 67 sec latency 8150.400 ms 1 980 0.16 MB/sec execute 68 sec latency 9150.908 ms 1 980 0.16 MB/sec execute 69 sec latency 10151.414 ms 1 980 0.16 MB/sec execute 70 sec latency 11152.278 ms 1 980 0.16 MB/sec execute 71 sec latency 12152.674 ms 1 980 0.16 MB/sec execute 72 sec latency 13177.722 ms Failover mds1 to oleg117-server mount facets: mds1 1 980 0.15 MB/sec execute 73 sec latency 14177.978 ms 1 980 0.15 MB/sec execute 74 sec latency 15178.299 ms 1 980 0.15 MB/sec execute 75 sec latency 16178.900 ms 1 980 0.15 MB/sec execute 76 sec latency 17183.249 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 980 0.15 MB/sec execute 77 sec latency 18183.582 ms 1 980 0.14 MB/sec execute 78 sec latency 19183.855 ms 1 980 0.14 MB/sec execute 79 sec latency 20184.245 ms 1 980 0.14 MB/sec execute 80 sec latency 21184.669 ms 1 980 0.14 MB/sec execute 81 sec latency 22185.017 ms 1 980 0.14 MB/sec execute 82 sec latency 23186.465 ms 1 980 0.13 MB/sec execute 83 sec latency 24188.401 ms 1 980 0.13 MB/sec execute 84 sec latency 25190.468 ms 1 980 0.13 MB/sec execute 85 sec latency 26190.762 ms 1 980 0.13 MB/sec execute 86 sec latency 27192.453 ms 1 980 0.13 MB/sec execute 87 sec latency 28192.747 ms 1 980 0.13 MB/sec execute 88 sec latency 29193.057 ms 1 980 0.13 MB/sec execute 89 sec latency 30193.801 ms 1 980 0.12 MB/sec execute 90 sec latency 31194.098 ms 1 980 0.12 MB/sec execute 91 sec latency 32194.397 ms 1 980 0.12 MB/sec execute 92 sec latency 33194.752 ms oleg117-server: oleg117-server.virtnet: executing set_default_debug -1 all 1 980 0.12 MB/sec execute 93 sec latency 34195.085 ms pdsh@oleg117-client: oleg117-server: ssh exited with exit code 1 1 980 0.12 MB/sec execute 94 sec latency 35195.274 ms 1 980 0.12 MB/sec execute 95 sec latency 36195.543 ms Started lustre-MDT0000 14:39:20 (1779993560) targets are mounted 14:39:20 (1779993560) facet_failover done 1 980 0.12 MB/sec execute 96 sec latency 37195.962 ms 1 980 0.12 MB/sec execute 97 sec latency 38196.214 ms 1 980 0.11 MB/sec execute 98 sec latency 39196.540 ms 1 980 0.11 MB/sec execute 99 sec latency 40198.705 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg117-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 103 539.195 44800.346 Close 94 17.176 87.829 Rename 4 112.885 141.210 Unlink 9 36.782 76.012 Qpathinfo 28 30.253 112.356 Qfileinfo 52 2.287 13.402 Qfsinfo 17 7.351 43.057 Sfileinfo 18 85.011 368.622 Find 23 15.920 116.667 WriteX 249 15.436 98.907 ReadX 81 6.958 99.846 Flush 24 1835.363 40425.734 Throughput 0.112884 MB/sec 1 clients 1 procs max_latency=44800.365 ms stopping dbench on /mnt/lustre at Thu May 28 14:39:30 EDT 2026 with return code 0 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/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 May 28 14:39:37 EDT 2026 waiting for dbench pid 46580 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 29 0.98 MB/sec warmup 1 sec latency 23.381 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3708928 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7460864 1% /mnt/lustre 1 72 1.56 MB/sec warmup 2 sec latency 180.682 ms 1 113 1.73 MB/sec warmup 3 sec latency 280.771 ms 1 139 1.49 MB/sec warmup 4 sec latency 204.148 ms 1 165 1.35 MB/sec warmup 5 sec latency 147.247 ms 1 199 1.30 MB/sec warmup 6 sec latency 156.677 ms 1 232 1.26 MB/sec warmup 7 sec latency 204.543 ms test_26 fail mds1 3 times 1 263 1.23 MB/sec warmup 8 sec latency 166.358 ms 1 289 1.18 MB/sec warmup 9 sec latency 205.091 ms 1 313 1.14 MB/sec warmup 10 sec latency 239.435 ms Failing mds1 on oleg117-server 1 341 1.11 MB/sec warmup 11 sec latency 222.792 ms Stopping /mnt/lustre-mds1 (opts:) on oleg117-server 1 368 1.08 MB/sec warmup 12 sec latency 184.954 ms 1 388 1.06 MB/sec warmup 13 sec latency 335.174 ms 1 388 0.98 MB/sec warmup 14 sec latency 1335.526 ms 1 388 0.92 MB/sec warmup 15 sec latency 2335.721 ms 1 388 0.86 MB/sec warmup 16 sec latency 3336.312 ms 14:39:53 (1779993593) shut down facet: mds1 facet_host: oleg117-server facet_failover_host: oleg117-server 1 388 0.81 MB/sec warmup 17 sec latency 4337.583 ms 1 388 0.77 MB/sec warmup 18 sec latency 5339.179 ms 1 388 0.73 MB/sec warmup 19 sec latency 6339.887 ms 1 388 0.00 MB/sec execute 1 sec latency 8340.329 ms 1 388 0.00 MB/sec execute 2 sec latency 9340.540 ms 1 388 0.00 MB/sec execute 3 sec latency 10340.950 ms 1 388 0.00 MB/sec execute 4 sec latency 11341.177 ms 1 388 0.00 MB/sec execute 5 sec latency 12341.455 ms 1 388 0.00 MB/sec execute 6 sec latency 13341.881 ms Failover mds1 to oleg117-server 1 388 0.00 MB/sec execute 7 sec latency 14343.948 ms mount facets: mds1 1 388 0.00 MB/sec execute 8 sec latency 15344.161 ms 1 388 0.00 MB/sec execute 9 sec latency 16344.449 ms 1 388 0.00 MB/sec execute 10 sec latency 17344.881 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 388 0.00 MB/sec execute 11 sec latency 18348.204 ms 1 388 0.00 MB/sec execute 12 sec latency 19351.461 ms 1 388 0.00 MB/sec execute 13 sec latency 20352.043 ms 1 388 0.00 MB/sec execute 14 sec latency 21352.338 ms 1 388 0.00 MB/sec execute 15 sec latency 22353.528 ms 1 388 0.00 MB/sec execute 16 sec latency 23354.102 ms 1 388 0.00 MB/sec execute 17 sec latency 24354.458 ms 1 388 0.00 MB/sec execute 18 sec latency 25358.264 ms 1 388 0.00 MB/sec execute 19 sec latency 26360.506 ms 1 388 0.00 MB/sec execute 20 sec latency 27363.382 ms 1 388 0.00 MB/sec execute 21 sec latency 28365.583 ms 1 388 0.00 MB/sec execute 22 sec latency 29366.073 ms 1 388 0.00 MB/sec execute 23 sec latency 30368.724 ms 1 388 0.00 MB/sec execute 24 sec latency 31369.359 ms 1 388 0.00 MB/sec execute 25 sec latency 32371.597 ms 1 388 0.00 MB/sec execute 26 sec latency 33372.216 ms 1 388 0.00 MB/sec execute 27 sec latency 34372.639 ms oleg117-server: oleg117-server.virtnet: executing set_default_debug -1 all 1 388 0.00 MB/sec execute 28 sec latency 35373.075 ms pdsh@oleg117-client: oleg117-server: ssh exited with exit code 1 1 388 0.00 MB/sec execute 29 sec latency 36375.437 ms 1 388 0.00 MB/sec execute 30 sec latency 37376.573 ms Started lustre-MDT0000 14:40:27 (1779993627) targets are mounted 14:40:27 (1779993627) facet_failover done 1 388 0.00 MB/sec execute 31 sec latency 38376.821 ms 1 388 0.00 MB/sec execute 32 sec latency 39385.693 ms 1 388 0.00 MB/sec execute 33 sec latency 40388.157 ms 1 389 0.00 MB/sec execute 34 sec latency 41088.376 ms 1 428 0.04 MB/sec execute 35 sec latency 366.789 ms 1 457 0.06 MB/sec execute 36 sec latency 173.852 ms oleg117-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 493 0.09 MB/sec execute 37 sec latency 146.059 ms 1 521 0.11 MB/sec execute 38 sec latency 152.753 ms 1 581 0.15 MB/sec execute 39 sec latency 206.802 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 618 0.18 MB/sec execute 40 sec latency 190.097 ms 1 660 0.18 MB/sec execute 41 sec latency 151.072 ms 1 674 0.17 MB/sec execute 42 sec latency 390.748 ms 1 700 0.17 MB/sec execute 43 sec latency 173.762 ms 1 723 0.17 MB/sec execute 44 sec latency 350.589 ms 1 738 0.17 MB/sec execute 45 sec latency 199.580 ms 1 776 0.16 MB/sec execute 46 sec latency 122.159 ms 1 791 0.16 MB/sec execute 47 sec latency 310.659 ms 1 811 0.16 MB/sec execute 48 sec latency 158.179 ms 1 870 0.16 MB/sec execute 49 sec latency 69.897 ms 1 885 0.16 MB/sec execute 50 sec latency 238.906 ms 1 903 0.15 MB/sec execute 51 sec latency 206.940 ms 1 921 0.15 MB/sec execute 52 sec latency 312.902 ms 1 955 0.15 MB/sec execute 53 sec latency 175.317 ms 1 980 0.15 MB/sec execute 54 sec latency 125.587 ms 1 1025 0.16 MB/sec execute 55 sec latency 261.227 ms 1 1074 0.16 MB/sec execute 56 sec latency 117.009 ms 1 1124 0.16 MB/sec execute 57 sec latency 85.001 ms 1 1160 0.16 MB/sec execute 58 sec latency 122.716 ms 1 1200 0.16 MB/sec execute 59 sec latency 97.632 ms 1 1229 0.15 MB/sec execute 60 sec latency 186.266 ms 1 1263 0.15 MB/sec execute 61 sec latency 125.456 ms 1 1395 0.20 MB/sec execute 62 sec latency 101.912 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu May 28 14:41:00 EDT 2026 with return code 0 1 1426 0.19 MB/sec execute 63 sec latency 125.223 ms 46580 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46580 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished