== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:34:22 (1788464062) Starting client oleg125-client.virtnet: -o user_xattr,flock 192.168.201.125@tcp:/lustre /mnt/lustre Started clients oleg125-client.virtnet: 192.168.201.125@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 65817 Started dbench loop with 65819 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench 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 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1760 1269544 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3605452 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1564 3597160 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3132 7202612 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 3 15:34:30 EDT 2026 waiting for dbench pid 65905 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 11.427 ms 1 38 0.65 MB/sec warmup 2 sec latency 88.080 ms 1 79 1.16 MB/sec warmup 3 sec latency 163.883 ms 1 113 1.31 MB/sec warmup 4 sec latency 173.114 ms 1 139 1.20 MB/sec warmup 5 sec latency 185.957 ms 1 164 1.13 MB/sec warmup 6 sec latency 259.760 ms 1 184 1.05 MB/sec warmup 7 sec latency 438.990 ms 1 224 1.08 MB/sec warmup 8 sec latency 549.750 ms test_26 fail mds1 1 times 1 258 1.07 MB/sec warmup 9 sec latency 124.428 ms 1 288 1.07 MB/sec warmup 10 sec latency 206.016 ms 1 313 1.04 MB/sec warmup 11 sec latency 215.827 ms Failing mds1 on oleg125-server 1 339 1.02 MB/sec warmup 12 sec latency 270.264 ms Stopping /mnt/lustre-mds1 (opts:) on oleg125-server 1 374 1.02 MB/sec warmup 13 sec latency 157.103 ms 1 381 0.97 MB/sec warmup 14 sec latency 881.351 ms 1 381 0.90 MB/sec warmup 15 sec latency 1898.534 ms 1 381 0.85 MB/sec warmup 16 sec latency 2898.766 ms 15:34:46 (1788464086) shut down facet: mds1 facet_host: oleg125-server facet_failover_host: oleg125-server 1 381 0.80 MB/sec warmup 17 sec latency 3901.049 ms 1 381 0.75 MB/sec warmup 18 sec latency 4901.258 ms 1 381 0.71 MB/sec warmup 19 sec latency 5901.480 ms 1 381 0.00 MB/sec execute 1 sec latency 7902.532 ms 1 381 0.00 MB/sec execute 2 sec latency 8902.744 ms 1 381 0.00 MB/sec execute 3 sec latency 9903.197 ms 1 381 0.00 MB/sec execute 4 sec latency 10903.476 ms 1 381 0.00 MB/sec execute 5 sec latency 11903.803 ms 1 381 0.00 MB/sec execute 6 sec latency 12904.128 ms Failover mds1 to oleg125-server mount facets: mds1 1 381 0.00 MB/sec execute 7 sec latency 13904.316 ms 1 381 0.00 MB/sec execute 8 sec latency 14904.620 ms 1 381 0.00 MB/sec execute 9 sec latency 15905.529 ms 1 381 0.00 MB/sec execute 10 sec latency 16905.796 ms 1 381 0.00 MB/sec execute 11 sec latency 17907.223 ms 1 381 0.00 MB/sec execute 12 sec latency 18908.863 ms 1 381 0.00 MB/sec execute 13 sec latency 19909.029 ms 1 381 0.00 MB/sec execute 14 sec latency 20909.600 ms 1 381 0.00 MB/sec execute 15 sec latency 21910.466 ms 1 381 0.00 MB/sec execute 16 sec latency 22910.854 ms 1 381 0.00 MB/sec execute 17 sec latency 23911.047 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 381 0.00 MB/sec execute 18 sec latency 24923.092 ms 1 381 0.00 MB/sec execute 19 sec latency 25923.365 ms 1 381 0.00 MB/sec execute 20 sec latency 26923.867 ms 1 381 0.00 MB/sec execute 21 sec latency 27924.206 ms 1 381 0.00 MB/sec execute 22 sec latency 28924.815 ms 1 381 0.00 MB/sec execute 23 sec latency 29925.644 ms 1 381 0.00 MB/sec execute 24 sec latency 30926.231 ms oleg125-server: oleg125-server.virtnet: executing set_default_debug -1 all 1 381 0.00 MB/sec execute 25 sec latency 31934.545 ms pdsh@oleg125-client: oleg125-server: ssh exited with exit code 1 1 381 0.00 MB/sec execute 26 sec latency 32938.122 ms Started lustre-MDT0000 1 381 0.00 MB/sec execute 27 sec latency 33938.450 ms 15:35:17 (1788464117) targets are mounted 15:35:17 (1788464117) facet_failover done 1 409 0.03 MB/sec execute 28 sec latency 34258.746 ms 1 445 0.07 MB/sec execute 29 sec latency 123.629 ms 1 476 0.10 MB/sec execute 30 sec latency 142.413 ms 1 503 0.13 MB/sec execute 31 sec latency 151.966 ms 1 532 0.15 MB/sec execute 32 sec latency 183.869 ms 1 571 0.17 MB/sec execute 33 sec latency 634.040 ms 1 636 0.22 MB/sec execute 34 sec latency 149.529 ms 1 664 0.22 MB/sec execute 35 sec latency 131.391 ms oleg125-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 692 0.21 MB/sec execute 36 sec latency 150.559 ms 1 718 0.21 MB/sec execute 37 sec latency 194.254 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.20 MB/sec execute 38 sec latency 143.537 ms 1 769 0.20 MB/sec execute 39 sec latency 142.185 ms 1 789 0.20 MB/sec execute 40 sec latency 203.406 ms 1 819 0.19 MB/sec execute 41 sec latency 108.853 ms 1 870 0.19 MB/sec execute 42 sec latency 102.884 ms 1 893 0.19 MB/sec execute 43 sec latency 152.740 ms 1 921 0.19 MB/sec execute 44 sec latency 115.419 ms 1 955 0.18 MB/sec execute 45 sec latency 113.553 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1924 1269380 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 15496 3587572 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34488 3566744 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49984 7154316 1% /mnt/lustre 1 977 0.18 MB/sec execute 46 sec latency 186.146 ms 1 999 0.18 MB/sec execute 47 sec latency 163.967 ms 1 1051 0.19 MB/sec execute 48 sec latency 136.845 ms 1 1082 0.19 MB/sec execute 49 sec latency 104.185 ms 1 1126 0.19 MB/sec execute 50 sec latency 124.729 ms 1 1154 0.18 MB/sec execute 51 sec latency 180.605 ms 1 1172 0.18 MB/sec execute 52 sec latency 270.376 ms 1 1172 0.18 MB/sec execute 53 sec latency 1282.473 ms 1 1188 0.18 MB/sec execute 54 sec latency 1496.537 ms 1 1223 0.17 MB/sec execute 55 sec latency 111.840 ms 1 1252 0.17 MB/sec execute 56 sec latency 120.940 ms 1 1378 0.22 MB/sec execute 57 sec latency 109.001 ms test_26 fail mds2 2 times 1 1396 0.21 MB/sec execute 58 sec latency 139.079 ms 1 1410 0.21 MB/sec execute 59 sec latency 226.849 ms 1 1438 0.21 MB/sec execute 60 sec latency 174.402 ms Failing mds2 on oleg125-server 1 1465 0.20 MB/sec execute 61 sec latency 135.805 ms Stopping /mnt/lustre-mds2 (opts:) on oleg125-server 1 1497 0.20 MB/sec execute 62 sec latency 146.706 ms 1 1532 0.20 MB/sec execute 63 sec latency 133.625 ms 1 1591 0.20 MB/sec execute 64 sec latency 119.596 ms 1 1625 0.19 MB/sec execute 65 sec latency 115.600 ms 15:35:56 (1788464156) shut down facet: mds2 facet_host: oleg125-server facet_failover_host: oleg125-server 1 1658 0.19 MB/sec execute 66 sec latency 143.386 ms 1 1696 0.19 MB/sec execute 67 sec latency 117.697 ms 1 1759 0.19 MB/sec execute 68 sec latency 136.294 ms 1 1814 0.18 MB/sec execute 69 sec latency 106.972 ms 1 1886 0.18 MB/sec execute 70 sec latency 73.435 ms 1 1974 0.18 MB/sec execute 71 sec latency 124.159 ms 1 2020 0.18 MB/sec execute 72 sec latency 79.072 ms 1 2080 0.18 MB/sec execute 73 sec latency 121.316 ms 1 2154 0.18 MB/sec execute 74 sec latency 90.379 ms 1 2225 0.18 MB/sec execute 75 sec latency 78.532 ms 1 2259 0.17 MB/sec execute 76 sec latency 648.874 ms Failover mds2 to oleg125-server mount facets: mds2 1 2259 0.17 MB/sec execute 77 sec latency 1649.254 ms 1 2259 0.17 MB/sec execute 78 sec latency 2649.507 ms 1 2259 0.17 MB/sec execute 79 sec latency 3649.704 ms 1 2259 0.16 MB/sec execute 80 sec latency 4650.806 ms 1 2259 0.16 MB/sec execute 81 sec latency 5651.254 ms 1 2259 0.16 MB/sec execute 82 sec latency 6653.150 ms 1 2259 0.16 MB/sec execute 83 sec latency 7653.520 ms 1 2259 0.16 MB/sec execute 84 sec latency 8655.411 ms 1 2259 0.16 MB/sec execute 85 sec latency 9655.610 ms 1 2259 0.15 MB/sec execute 86 sec latency 10655.786 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 87 sec latency 11656.206 ms 1 2259 0.15 MB/sec execute 88 sec latency 12656.866 ms 1 2259 0.15 MB/sec execute 89 sec latency 13658.758 ms 1 2259 0.15 MB/sec execute 90 sec latency 14659.099 ms 1 2259 0.14 MB/sec execute 91 sec latency 15659.409 ms 1 2259 0.14 MB/sec execute 92 sec latency 16660.003 ms 1 2259 0.14 MB/sec execute 93 sec latency 17662.111 ms oleg125-server: oleg125-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 94 sec latency 18662.583 ms pdsh@oleg125-client: oleg125-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 95 sec latency 19663.023 ms Started lustre-MDT0001 15:36:26 (1788464186) targets are mounted 15:36:26 (1788464186) facet_failover done 1 2259 0.14 MB/sec execute 96 sec latency 20665.357 ms 1 2305 0.15 MB/sec execute 97 sec latency 20952.564 ms 1 2353 0.15 MB/sec execute 98 sec latency 149.969 ms 1 2383 0.15 MB/sec execute 99 sec latency 112.895 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec oleg125-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 350 223.600 34258.676 Close 303 13.663 77.108 Rename 13 128.830 225.187 Unlink 33 36.458 69.161 Qpathinfo 316 19.289 139.750 Qfileinfo 89 1.943 13.758 Qfsinfo 39 4.878 37.055 Sfileinfo 41 75.560 149.945 Find 106 15.962 54.202 WriteX 321 16.290 121.931 ReadX 381 2.714 90.587 Flush 32 67.774 163.945 Throughput 0.145141 MB/sec 1 clients 1 procs max_latency=34258.746 ms stopping dbench on /mnt/lustre at Thu Sep 3 15:36:35 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-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench 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 3 15:36:47 EDT 2026 waiting for dbench pid 68033 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2328 1268976 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 40916 3560128 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2604 3603700 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43520 7163828 1% /mnt/lustre 0 5 0.00 MB/sec warmup 1 sec latency 126.452 ms 1 31 0.52 MB/sec warmup 2 sec latency 80.421 ms 1 69 1.02 MB/sec warmup 3 sec latency 133.758 ms 1 99 1.12 MB/sec warmup 4 sec latency 194.469 ms 1 120 1.09 MB/sec warmup 5 sec latency 247.314 ms 1 135 0.99 MB/sec warmup 6 sec latency 380.953 ms 1 155 0.93 MB/sec warmup 7 sec latency 237.038 ms 1 165 0.85 MB/sec warmup 8 sec latency 308.001 ms 1 165 0.75 MB/sec warmup 9 sec latency 1308.541 ms 1 165 0.68 MB/sec warmup 10 sec latency 2309.127 ms 1 181 0.66 MB/sec warmup 11 sec latency 2577.312 ms 1 184 0.61 MB/sec warmup 12 sec latency 667.485 ms 1 199 0.60 MB/sec warmup 13 sec latency 912.593 ms 1 224 0.61 MB/sec warmup 14 sec latency 212.001 ms test_26 fail mds1 3 times 1 256 0.64 MB/sec warmup 15 sec latency 168.962 ms 1 283 0.65 MB/sec warmup 16 sec latency 166.433 ms 1 298 0.64 MB/sec warmup 17 sec latency 320.490 ms Failing mds1 on oleg125-server 1 323 0.65 MB/sec warmup 18 sec latency 208.719 ms Stopping /mnt/lustre-mds1 (opts:) on oleg125-server 1 349 0.66 MB/sec warmup 19 sec latency 134.266 ms 1 388 0.52 MB/sec execute 1 sec latency 610.728 ms 1 388 0.26 MB/sec execute 2 sec latency 1611.466 ms 1 388 0.17 MB/sec execute 3 sec latency 2611.743 ms 15:37:10 (1788464230) shut down facet: mds1 facet_host: oleg125-server facet_failover_host: oleg125-server 1 388 0.13 MB/sec execute 4 sec latency 3612.036 ms 1 388 0.10 MB/sec execute 5 sec latency 4614.512 ms 1 388 0.09 MB/sec execute 6 sec latency 5616.678 ms 1 388 0.07 MB/sec execute 7 sec latency 6617.158 ms 1 388 0.06 MB/sec execute 8 sec latency 7620.093 ms 1 388 0.06 MB/sec execute 9 sec latency 8622.606 ms 1 388 0.05 MB/sec execute 10 sec latency 9622.948 ms 1 388 0.05 MB/sec execute 11 sec latency 10623.223 ms 1 388 0.04 MB/sec execute 12 sec latency 11623.506 ms 1 388 0.04 MB/sec execute 13 sec latency 12623.905 ms Failover mds1 to oleg125-server mount facets: mds1 1 388 0.04 MB/sec execute 14 sec latency 13629.894 ms 1 388 0.03 MB/sec execute 15 sec latency 14632.035 ms 1 388 0.03 MB/sec execute 16 sec latency 15632.605 ms 1 388 0.03 MB/sec execute 17 sec latency 16637.012 ms 1 388 0.03 MB/sec execute 18 sec latency 17637.967 ms 1 388 0.03 MB/sec execute 19 sec latency 18638.490 ms 1 388 0.03 MB/sec execute 20 sec latency 19639.128 ms 1 388 0.02 MB/sec execute 21 sec latency 20642.552 ms 1 388 0.02 MB/sec execute 22 sec latency 21642.915 ms 1 388 0.02 MB/sec execute 23 sec latency 22643.251 ms 1 388 0.02 MB/sec execute 24 sec latency 23652.154 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 388 0.02 MB/sec execute 25 sec latency 24652.373 ms 1 388 0.02 MB/sec execute 26 sec latency 25660.198 ms 1 388 0.02 MB/sec execute 27 sec latency 26660.436 ms 1 388 0.02 MB/sec execute 28 sec latency 27661.318 ms 1 388 0.02 MB/sec execute 29 sec latency 28667.751 ms 1 388 0.02 MB/sec execute 30 sec latency 29668.286 ms 1 388 0.02 MB/sec execute 31 sec latency 30668.590 ms 1 388 0.02 MB/sec execute 32 sec latency 31668.882 ms oleg125-server: oleg125-server.virtnet: executing set_default_debug -1 all 1 388 0.02 MB/sec execute 33 sec latency 32674.721 ms pdsh@oleg125-client: oleg125-server: ssh exited with exit code 1 1 389 0.02 MB/sec execute 34 sec latency 33483.402 ms 1 419 0.04 MB/sec execute 35 sec latency 256.872 ms Started lustre-MDT0000 15:37:43 (1788464263) targets are mounted 15:37:43 (1788464263) facet_failover done 1 445 0.06 MB/sec execute 36 sec latency 184.764 ms 1 478 0.09 MB/sec execute 37 sec latency 145.650 ms 1 504 0.11 MB/sec execute 38 sec latency 209.232 ms 1 537 0.14 MB/sec execute 39 sec latency 173.895 ms 1 606 0.19 MB/sec execute 40 sec latency 143.604 ms 1 644 0.19 MB/sec execute 41 sec latency 123.776 ms 1 671 0.19 MB/sec execute 42 sec latency 184.773 ms 1 705 0.18 MB/sec execute 43 sec latency 144.344 ms oleg125-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 728 0.18 MB/sec execute 44 sec latency 151.521 ms 1 758 0.18 MB/sec execute 45 sec latency 123.612 ms 1 778 0.17 MB/sec execute 46 sec latency 139.510 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.17 MB/sec execute 47 sec latency 211.067 ms 1 815 0.17 MB/sec execute 48 sec latency 182.668 ms 1 845 0.17 MB/sec execute 49 sec latency 189.607 ms 1 870 0.17 MB/sec execute 50 sec latency 147.643 ms 1 884 0.16 MB/sec execute 51 sec latency 338.863 ms 1 884 0.16 MB/sec execute 52 sec latency 1341.058 ms 1 900 0.16 MB/sec execute 53 sec latency 1688.649 ms 1 918 0.16 MB/sec execute 54 sec latency 149.151 ms 1 939 0.15 MB/sec execute 55 sec latency 204.364 ms 1 969 0.15 MB/sec execute 56 sec latency 128.901 ms 1 987 0.15 MB/sec execute 57 sec latency 150.274 ms 1 1038 0.16 MB/sec execute 58 sec latency 143.575 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1077 0.16 MB/sec execute 59 sec latency 109.257 ms 1 1118 0.16 MB/sec execute 60 sec latency 124.265 ms 1 1147 0.16 MB/sec execute 61 sec latency 145.991 ms 1 1176 0.16 MB/sec execute 62 sec latency 142.548 ms 1 1199 0.15 MB/sec execute 63 sec latency 160.603 ms 1 1224 0.15 MB/sec execute 64 sec latency 125.283 ms 1 1244 0.15 MB/sec execute 65 sec latency 215.942 ms 1 1268 0.15 MB/sec execute 66 sec latency 190.759 ms 1 1384 0.19 MB/sec execute 67 sec latency 180.401 ms 1 1412 0.19 MB/sec execute 68 sec latency 143.205 ms 1 1446 0.18 MB/sec execute 69 sec latency 139.246 ms 1 1467 0.18 MB/sec execute 70 sec latency 270.194 ms 1 1509 0.18 MB/sec execute 71 sec latency 338.784 ms 1 1556 0.18 MB/sec execute 72 sec latency 107.895 ms tar: Error is not recoverable: exiting now 1 1603 0.18 MB/sec execute 73 sec latency 98.989 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 3 15:38:20 EDT 2026 with return code 0 68033 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68033 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished