== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:28:46 (1786174126) Starting client oleg329-client.virtnet: -o user_xattr,flock 192.168.203.129@tcp:/lustre /mnt/lustre Started clients oleg329-client.virtnet: 192.168.203.129@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 65665 Started dbench loop with 65666 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 1414116 1920 1269384 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3593068 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198524 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 Sat Aug 8 03:28:54 EDT 2026 waiting for dbench pid 65745 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 7 0.00 MB/sec warmup 1 sec latency 17.680 ms 1 31 0.52 MB/sec warmup 2 sec latency 179.025 ms 1 52 0.70 MB/sec warmup 3 sec latency 572.018 ms 1 91 1.04 MB/sec warmup 4 sec latency 210.224 ms 1 111 1.05 MB/sec warmup 5 sec latency 593.079 ms 1 127 0.95 MB/sec warmup 6 sec latency 423.119 ms 1 139 0.86 MB/sec warmup 7 sec latency 290.441 ms 1 157 0.82 MB/sec warmup 8 sec latency 299.752 ms 1 172 0.78 MB/sec warmup 9 sec latency 462.694 ms 1 184 0.74 MB/sec warmup 10 sec latency 532.721 ms 1 192 0.69 MB/sec warmup 11 sec latency 746.549 ms test_26 fail mds1 1 times 1 210 0.67 MB/sec warmup 12 sec latency 293.441 ms 1 232 0.68 MB/sec warmup 13 sec latency 360.269 ms Failing mds1 on oleg329-server 1 271 0.72 MB/sec warmup 14 sec latency 189.276 ms 1 297 0.73 MB/sec warmup 15 sec latency 204.177 ms Stopping /mnt/lustre-mds1 (opts:) on oleg329-server 1 305 0.69 MB/sec warmup 16 sec latency 858.958 ms 1 315 0.67 MB/sec warmup 17 sec latency 933.676 ms 1 339 0.67 MB/sec warmup 18 sec latency 307.699 ms 1 339 0.64 MB/sec warmup 19 sec latency 1120.096 ms 03:29:14 (1786174154) shut down facet: mds1 facet_host: oleg329-server facet_failover_host: oleg329-server 1 339 0.00 MB/sec execute 1 sec latency 3122.009 ms 1 339 0.00 MB/sec execute 2 sec latency 4155.120 ms 1 339 0.00 MB/sec execute 3 sec latency 5155.319 ms 1 339 0.00 MB/sec execute 4 sec latency 6156.129 ms 1 339 0.00 MB/sec execute 5 sec latency 7156.984 ms 1 339 0.00 MB/sec execute 6 sec latency 8157.281 ms 1 339 0.00 MB/sec execute 7 sec latency 9174.630 ms 1 339 0.00 MB/sec execute 8 sec latency 10174.976 ms 1 339 0.00 MB/sec execute 9 sec latency 11175.360 ms Failover mds1 to oleg329-server 1 339 0.00 MB/sec execute 10 sec latency 12175.521 ms mount facets: mds1 1 339 0.00 MB/sec execute 11 sec latency 13322.473 ms 1 339 0.00 MB/sec execute 12 sec latency 14323.296 ms 1 339 0.00 MB/sec execute 13 sec latency 15325.160 ms 1 339 0.00 MB/sec execute 14 sec latency 16369.486 ms 1 339 0.00 MB/sec execute 15 sec latency 17369.722 ms 1 339 0.00 MB/sec execute 16 sec latency 18370.048 ms 1 339 0.00 MB/sec execute 17 sec latency 19388.897 ms 1 339 0.00 MB/sec execute 18 sec latency 20389.171 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 19 sec latency 21397.033 ms 1 339 0.00 MB/sec execute 20 sec latency 22397.741 ms 1 339 0.00 MB/sec execute 21 sec latency 23398.843 ms 1 339 0.00 MB/sec execute 22 sec latency 24410.738 ms 1 339 0.00 MB/sec execute 23 sec latency 25433.489 ms 1 339 0.00 MB/sec execute 24 sec latency 26434.214 ms 1 339 0.00 MB/sec execute 25 sec latency 27434.655 ms 1 339 0.00 MB/sec execute 26 sec latency 28527.957 ms 1 339 0.00 MB/sec execute 27 sec latency 29564.180 ms 1 339 0.00 MB/sec execute 29 sec latency 31227.632 ms oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 30 sec latency 32227.888 ms 1 339 0.00 MB/sec execute 31 sec latency 33230.733 ms pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 32 sec latency 34231.212 ms Started lustre-MDT0000 1 348 0.01 MB/sec execute 33 sec latency 34629.811 ms 03:29:47 (1786174187) targets are mounted 03:29:48 (1786174188) facet_failover done 1 366 0.02 MB/sec execute 34 sec latency 284.226 ms 1 378 0.03 MB/sec execute 35 sec latency 361.616 ms 1 410 0.06 MB/sec execute 36 sec latency 254.645 ms 1 430 0.08 MB/sec execute 37 sec latency 226.209 ms 1 454 0.10 MB/sec execute 38 sec latency 243.087 ms 1 477 0.11 MB/sec execute 39 sec latency 204.904 ms 1 500 0.13 MB/sec execute 40 sec latency 292.384 ms 1 503 0.13 MB/sec execute 41 sec latency 682.607 ms 1 518 0.13 MB/sec execute 42 sec latency 810.675 ms oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 574 0.16 MB/sec execute 43 sec latency 365.714 ms 1 618 0.20 MB/sec execute 44 sec latency 239.128 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 651 0.19 MB/sec execute 45 sec latency 264.482 ms 1 666 0.19 MB/sec execute 46 sec latency 241.293 ms 1 685 0.19 MB/sec execute 47 sec latency 265.969 ms 1 706 0.19 MB/sec execute 48 sec latency 184.732 ms 1 738 0.18 MB/sec execute 49 sec latency 120.578 ms 1 748 0.18 MB/sec execute 50 sec latency 471.009 ms 1 778 0.18 MB/sec execute 51 sec latency 282.686 ms 1 803 0.18 MB/sec execute 52 sec latency 171.038 ms 1 845 0.17 MB/sec execute 53 sec latency 138.952 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2008 1269296 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1824 1269480 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 8828 3594148 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 32988 3568676 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 41816 7162824 1% /mnt/lustre 1 866 0.17 MB/sec execute 54 sec latency 218.070 ms 1 885 0.17 MB/sec execute 55 sec latency 206.276 ms 1 904 0.17 MB/sec execute 56 sec latency 235.136 ms 1 921 0.17 MB/sec execute 57 sec latency 245.643 ms 1 936 0.16 MB/sec execute 58 sec latency 363.713 ms 1 960 0.16 MB/sec execute 59 sec latency 246.055 ms 1 969 0.16 MB/sec execute 60 sec latency 331.423 ms 1 981 0.16 MB/sec execute 61 sec latency 383.922 ms 1 994 0.15 MB/sec execute 62 sec latency 311.327 ms 1 995 0.15 MB/sec execute 63 sec latency 999.450 ms 1 1009 0.16 MB/sec execute 64 sec latency 1846.165 ms 1 1035 0.16 MB/sec execute 65 sec latency 713.905 ms 1 1041 0.16 MB/sec execute 66 sec latency 1271.839 ms 1 1086 0.16 MB/sec execute 67 sec latency 96.451 ms test_26 fail mds2 2 times 1 1117 0.16 MB/sec execute 68 sec latency 147.710 ms 1 1133 0.15 MB/sec execute 69 sec latency 338.900 ms 1 1147 0.15 MB/sec execute 70 sec latency 273.115 ms Failing mds2 on oleg329-server 1 1162 0.15 MB/sec execute 71 sec latency 370.910 ms Stopping /mnt/lustre-mds2 (opts:) on oleg329-server 1 1173 0.15 MB/sec execute 72 sec latency 354.553 ms 1 1192 0.15 MB/sec execute 73 sec latency 335.940 ms 1 1218 0.15 MB/sec execute 74 sec latency 190.308 ms 1 1244 0.14 MB/sec execute 75 sec latency 160.468 ms 03:30:30 (1786174230) shut down 1 1268 0.14 MB/sec execute 76 sec latency 206.655 ms facet: mds2 facet_host: oleg329-server facet_failover_host: oleg329-server 1 1278 0.14 MB/sec execute 77 sec latency 600.444 ms 1 1278 0.14 MB/sec execute 78 sec latency 1600.700 ms 1 1278 0.14 MB/sec execute 79 sec latency 2600.950 ms 1 1278 0.14 MB/sec execute 80 sec latency 3601.339 ms 1 1278 0.13 MB/sec execute 81 sec latency 4601.569 ms 1 1278 0.13 MB/sec execute 82 sec latency 5602.306 ms 1 1278 0.13 MB/sec execute 83 sec latency 6602.519 ms 1 1278 0.13 MB/sec execute 84 sec latency 7602.732 ms 1 1278 0.13 MB/sec execute 85 sec latency 8617.056 ms 1 1278 0.13 MB/sec execute 86 sec latency 9617.287 ms Failover mds2 to oleg329-server mount facets: mds2 1 1278 0.12 MB/sec execute 87 sec latency 10617.524 ms 1 1278 0.12 MB/sec execute 88 sec latency 11630.729 ms 1 1278 0.12 MB/sec execute 89 sec latency 12632.082 ms 1 1278 0.12 MB/sec execute 90 sec latency 13632.288 ms 1 1278 0.12 MB/sec execute 91 sec latency 14632.467 ms 1 1278 0.12 MB/sec execute 92 sec latency 15632.909 ms 1 1278 0.12 MB/sec execute 93 sec latency 16634.348 ms 1 1278 0.12 MB/sec execute 94 sec latency 17637.290 ms 1 1278 0.11 MB/sec execute 95 sec latency 18638.354 ms 1 1278 0.11 MB/sec execute 96 sec latency 19643.788 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1278 0.11 MB/sec execute 97 sec latency 20667.139 ms 1 1278 0.11 MB/sec execute 98 sec latency 21667.337 ms 1 1278 0.11 MB/sec execute 99 sec latency 22667.518 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec 1 cleanup 104 sec pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 03:31:00 (1786174260) targets are mounted 03:31:00 (1786174260) 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 134 404.290 34629.790 Close 127 27.731 354.522 Rename 10 146.095 383.826 Unlink 17 41.719 102.003 Qpathinfo 89 48.316 363.684 Qfileinfo 53 6.901 151.274 Qfsinfo 30 10.792 54.674 Sfileinfo 34 111.510 370.855 Find 39 765.239 29131.498 WriteX 252 18.708 158.581 ReadX 131 8.437 282.201 Flush 24 81.364 241.271 Throughput 0.109472 MB/sec 1 clients 1 procs max_latency=34629.811 ms stopping dbench on /mnt/lustre at Sat Aug 8 03:31:06 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-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 Sat Aug 8 03:31:20 EDT 2026 waiting for dbench pid 67873 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients 0 7 0.00 MB/sec warmup 1 sec latency 3.882 ms 1 50 1.05 MB/sec warmup 2 sec latency 172.481 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2308 1268996 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36504 3566076 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1824 3605140 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 38328 7171216 1% /mnt/lustre 1 91 1.40 MB/sec warmup 3 sec latency 140.701 ms 1 121 1.38 MB/sec warmup 4 sec latency 235.084 ms 1 137 1.20 MB/sec warmup 5 sec latency 412.168 ms 1 151 1.06 MB/sec warmup 6 sec latency 311.171 ms 1 165 0.94 MB/sec warmup 7 sec latency 442.426 ms 1 181 0.89 MB/sec warmup 8 sec latency 490.226 ms 1 190 0.82 MB/sec warmup 9 sec latency 548.673 ms 1 213 0.81 MB/sec warmup 10 sec latency 249.916 ms 1 247 0.84 MB/sec warmup 11 sec latency 168.210 ms 1 271 0.83 MB/sec warmup 12 sec latency 272.576 ms 1 298 0.83 MB/sec warmup 13 sec latency 142.892 ms 1 324 0.83 MB/sec warmup 14 sec latency 200.309 ms test_26 fail mds1 3 times 1 356 0.84 MB/sec warmup 15 sec latency 196.951 ms 1 373 0.82 MB/sec warmup 16 sec latency 294.681 ms Failing mds1 on oleg329-server 1 398 0.82 MB/sec warmup 17 sec latency 280.758 ms 1 429 0.83 MB/sec warmup 18 sec latency 167.582 ms Stopping /mnt/lustre-mds1 (opts:) on oleg329-server 1 453 0.83 MB/sec warmup 19 sec latency 177.629 ms 1 476 0.00 MB/sec execute 1 sec latency 1397.905 ms 1 476 0.00 MB/sec execute 2 sec latency 2406.748 ms 03:31:42 (1786174302) shut down facet: mds1 facet_host: oleg329-server facet_failover_host: oleg329-server 1 476 0.00 MB/sec execute 3 sec latency 3407.297 ms 1 476 0.00 MB/sec execute 4 sec latency 4409.204 ms 1 476 0.00 MB/sec execute 5 sec latency 5410.250 ms 1 476 0.00 MB/sec execute 6 sec latency 6411.363 ms 1 476 0.00 MB/sec execute 7 sec latency 7412.257 ms 1 476 0.00 MB/sec execute 8 sec latency 8412.400 ms 1 476 0.00 MB/sec execute 9 sec latency 9412.587 ms 1 476 0.00 MB/sec execute 10 sec latency 10412.788 ms 1 476 0.00 MB/sec execute 11 sec latency 11416.370 ms 1 476 0.00 MB/sec execute 12 sec latency 12416.574 ms Failover mds1 to oleg329-server mount facets: mds1 1 476 0.00 MB/sec execute 13 sec latency 13417.059 ms 1 476 0.00 MB/sec execute 14 sec latency 14418.587 ms 1 476 0.00 MB/sec execute 15 sec latency 15419.382 ms 1 476 0.00 MB/sec execute 16 sec latency 16565.079 ms 1 476 0.00 MB/sec execute 17 sec latency 17565.372 ms 1 476 0.00 MB/sec execute 18 sec latency 18565.526 ms 1 476 0.00 MB/sec execute 19 sec latency 19580.496 ms 1 476 0.00 MB/sec execute 20 sec latency 20580.694 ms 1 476 0.00 MB/sec execute 21 sec latency 21581.091 ms 1 476 0.00 MB/sec execute 22 sec latency 22639.648 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 476 0.00 MB/sec execute 23 sec latency 23693.338 ms 1 476 0.00 MB/sec execute 24 sec latency 24693.655 ms 1 476 0.00 MB/sec execute 25 sec latency 25694.445 ms 1 476 0.00 MB/sec execute 26 sec latency 26695.115 ms 1 476 0.00 MB/sec execute 27 sec latency 27695.353 ms 1 476 0.00 MB/sec execute 28 sec latency 28704.321 ms 1 476 0.00 MB/sec execute 29 sec latency 29705.269 ms 1 476 0.00 MB/sec execute 30 sec latency 30706.952 ms 1 476 0.00 MB/sec execute 31 sec latency 31707.242 ms 1 476 0.00 MB/sec execute 32 sec latency 32710.663 ms 1 476 0.00 MB/sec execute 33 sec latency 33710.924 ms 1 476 0.00 MB/sec execute 34 sec latency 34712.348 ms oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 35 sec latency 35712.702 ms 1 476 0.00 MB/sec execute 36 sec latency 36712.962 ms pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 37 sec latency 37714.418 ms Started lustre-MDT0000 03:32:18 (1786174338) targets are mounted 03:32:18 (1786174338) facet_failover done 1 476 0.00 MB/sec execute 38 sec latency 38714.819 ms 1 476 0.00 MB/sec execute 39 sec latency 39719.200 ms 1 485 0.01 MB/sec execute 40 sec latency 39911.099 ms 1 501 0.02 MB/sec execute 41 sec latency 380.877 ms 1 516 0.02 MB/sec execute 42 sec latency 327.221 ms 1 561 0.06 MB/sec execute 43 sec latency 294.958 ms 1 639 0.10 MB/sec execute 44 sec latency 139.014 ms 1 656 0.10 MB/sec execute 45 sec latency 258.103 ms 1 676 0.10 MB/sec execute 46 sec latency 260.918 ms 1 691 0.09 MB/sec execute 48 sec latency 500.308 ms oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 710 0.09 MB/sec execute 49 sec latency 503.157 ms 1 730 0.09 MB/sec execute 50 sec latency 217.079 ms 1 735 0.09 MB/sec execute 51 sec latency 501.208 ms 1 746 0.09 MB/sec execute 52 sec latency 278.872 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.09 MB/sec execute 53 sec latency 243.274 ms 1 781 0.09 MB/sec execute 54 sec latency 231.738 ms 1 798 0.09 MB/sec execute 55 sec latency 253.361 ms 1 808 0.09 MB/sec execute 56 sec latency 229.316 ms 1 848 0.09 MB/sec execute 57 sec latency 208.927 ms 1 864 0.08 MB/sec execute 58 sec latency 172.094 ms 1 878 0.08 MB/sec execute 59 sec latency 298.585 ms 1 884 0.08 MB/sec execute 60 sec latency 867.043 ms 1 903 0.08 MB/sec execute 61 sec latency 1075.376 ms 1 940 0.08 MB/sec execute 62 sec latency 89.359 ms 1 957 0.08 MB/sec execute 63 sec latency 265.192 ms 1 987 0.08 MB/sec execute 64 sec latency 115.713 ms 1 1028 0.10 MB/sec execute 65 sec latency 364.433 ms 1 1077 0.09 MB/sec execute 66 sec latency 91.393 ms 1 1127 0.09 MB/sec execute 67 sec latency 98.609 ms 1 1155 0.09 MB/sec execute 68 sec latency 139.349 ms 1 1190 0.09 MB/sec execute 69 sec latency 83.675 ms 1 1224 0.09 MB/sec execute 70 sec latency 127.935 ms 1 1233 0.09 MB/sec execute 71 sec latency 483.094 ms 1 1268 0.09 MB/sec execute 72 sec latency 164.369 ms 1 1389 0.13 MB/sec execute 73 sec latency 157.496 ms 1 1406 0.13 MB/sec execute 74 sec latency 176.756 ms 1 1446 0.12 MB/sec execute 75 sec latency 240.871 ms 1 1468 0.12 MB/sec execute 76 sec latency 431.230 ms 1 1499 0.12 MB/sec execute 77 sec latency 174.922 ms 1 1537 0.12 MB/sec execute 78 sec latency 124.207 ms 1 1570 0.12 MB/sec execute 79 sec latency 112.933 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 8 03:33:00 EDT 2026 with return code 0 1 1602 0.12 MB/sec execute 80 sec latency 91.174 ms 67873 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67873 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished