== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:29:46 (1788834586) Starting client oleg122-client.virtnet: -o user_xattr,flock 192.168.201.122@tcp:/lustre /mnt/lustre Started clients oleg122-client.virtnet: 192.168.201.122@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 65651 Started dbench loop with 65652 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3584848 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190304 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 Mon Sep 7 22:29:52 EDT 2026 waiting for dbench pid 65730 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 15.132 ms 1 68 1.51 MB/sec warmup 2 sec latency 119.026 ms 1 111 1.75 MB/sec warmup 3 sec latency 138.430 ms 1 147 1.57 MB/sec warmup 4 sec latency 194.781 ms 1 177 1.42 MB/sec warmup 5 sec latency 168.296 ms 1 199 1.30 MB/sec warmup 6 sec latency 451.602 ms 1 243 1.31 MB/sec warmup 7 sec latency 123.445 ms 1 289 1.33 MB/sec warmup 8 sec latency 109.775 ms test_26 fail mds1 1 times 1 326 1.30 MB/sec warmup 9 sec latency 174.878 ms 1 357 1.28 MB/sec warmup 10 sec latency 200.217 ms 1 389 1.25 MB/sec warmup 11 sec latency 138.248 ms Failing mds1 on oleg122-server 1 429 1.26 MB/sec warmup 12 sec latency 179.327 ms Stopping /mnt/lustre-mds1 (opts:) on oleg122-server 1 469 1.26 MB/sec warmup 13 sec latency 127.093 ms 1 476 1.19 MB/sec warmup 14 sec latency 733.102 ms 1 476 1.11 MB/sec warmup 15 sec latency 1733.379 ms 22:30:07 (1788834607) shut down facet: mds1 facet_host: oleg122-server facet_failover_host: oleg122-server 1 476 1.04 MB/sec warmup 16 sec latency 2733.673 ms 1 476 0.98 MB/sec warmup 17 sec latency 3733.870 ms 1 476 0.93 MB/sec warmup 18 sec latency 4735.317 ms 1 476 0.88 MB/sec warmup 19 sec latency 5737.028 ms 1 476 0.00 MB/sec execute 1 sec latency 7738.498 ms 1 476 0.00 MB/sec execute 2 sec latency 8742.552 ms 1 476 0.00 MB/sec execute 3 sec latency 9742.771 ms 1 476 0.00 MB/sec execute 4 sec latency 10742.985 ms 1 476 0.00 MB/sec execute 5 sec latency 11743.402 ms 1 476 0.00 MB/sec execute 6 sec latency 12765.171 ms Failover mds1 to oleg122-server mount facets: mds1 1 476 0.00 MB/sec execute 7 sec latency 13767.715 ms 1 476 0.00 MB/sec execute 8 sec latency 14768.090 ms 1 476 0.00 MB/sec execute 9 sec latency 15769.086 ms 1 476 0.00 MB/sec execute 10 sec latency 16769.288 ms 1 476 0.00 MB/sec execute 11 sec latency 17769.591 ms 1 476 0.00 MB/sec execute 12 sec latency 18769.866 ms 1 476 0.00 MB/sec execute 13 sec latency 19770.090 ms 1 476 0.00 MB/sec execute 14 sec latency 20770.892 ms 1 476 0.00 MB/sec execute 15 sec latency 21771.083 ms 1 476 0.00 MB/sec execute 16 sec latency 22771.274 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 476 0.00 MB/sec execute 17 sec latency 23771.514 ms 1 476 0.00 MB/sec execute 18 sec latency 24771.868 ms 1 476 0.00 MB/sec execute 19 sec latency 25772.062 ms 1 476 0.00 MB/sec execute 20 sec latency 26773.234 ms 1 476 0.00 MB/sec execute 21 sec latency 27773.589 ms 1 476 0.00 MB/sec execute 22 sec latency 28773.999 ms 1 476 0.00 MB/sec execute 23 sec latency 29775.671 ms 1 476 0.00 MB/sec execute 24 sec latency 30775.940 ms 1 476 0.00 MB/sec execute 25 sec latency 31779.388 ms 1 476 0.00 MB/sec execute 26 sec latency 32780.055 ms 1 476 0.00 MB/sec execute 27 sec latency 33780.371 ms 1 476 0.00 MB/sec execute 28 sec latency 34780.580 ms 1 476 0.00 MB/sec execute 29 sec latency 35780.743 ms 1 476 0.00 MB/sec execute 30 sec latency 36780.982 ms oleg122-server: oleg122-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 31 sec latency 37782.566 ms pdsh@oleg122-client: oleg122-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 32 sec latency 38784.933 ms Started lustre-MDT0000 22:30:45 (1788834645) targets are mounted 22:30:45 (1788834645) facet_failover done 1 486 0.01 MB/sec execute 33 sec latency 39520.582 ms 1 522 0.04 MB/sec execute 34 sec latency 127.612 ms 1 552 0.07 MB/sec execute 35 sec latency 369.171 ms 1 599 0.12 MB/sec execute 36 sec latency 856.843 ms 1 640 0.12 MB/sec execute 37 sec latency 134.687 ms 1 674 0.12 MB/sec execute 38 sec latency 123.127 ms 1 711 0.12 MB/sec execute 39 sec latency 139.677 ms 1 743 0.12 MB/sec execute 40 sec latency 92.165 ms oleg122-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.11 MB/sec execute 41 sec latency 125.399 ms 1 806 0.11 MB/sec execute 42 sec latency 123.316 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 861 0.11 MB/sec execute 43 sec latency 112.034 ms 1 900 0.11 MB/sec execute 44 sec latency 97.141 ms 1 940 0.11 MB/sec execute 45 sec latency 110.777 ms 1 977 0.11 MB/sec execute 46 sec latency 128.980 ms 1 1047 0.13 MB/sec execute 47 sec latency 91.518 ms 1 1118 0.13 MB/sec execute 48 sec latency 77.850 ms 1 1159 0.13 MB/sec execute 49 sec latency 83.453 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1968 1269336 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20240 3584500 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35612 3568936 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55852 7153436 1% /mnt/lustre 1 1173 0.13 MB/sec execute 50 sec latency 716.213 ms 1 1216 0.12 MB/sec execute 51 sec latency 102.041 ms 1 1257 0.12 MB/sec execute 52 sec latency 115.148 ms 1 1391 0.18 MB/sec execute 53 sec latency 98.994 ms 1 1433 0.17 MB/sec execute 54 sec latency 265.181 ms 1 1467 0.17 MB/sec execute 55 sec latency 614.512 ms 1 1509 0.17 MB/sec execute 56 sec latency 131.822 ms 1 1566 0.17 MB/sec execute 57 sec latency 65.722 ms test_26 fail mds2 2 times 1 1603 0.16 MB/sec execute 58 sec latency 131.385 ms 1 1648 0.16 MB/sec execute 59 sec latency 122.926 ms Failing mds2 on oleg122-server 1 1687 0.16 MB/sec execute 60 sec latency 120.460 ms Stopping /mnt/lustre-mds2 (opts:) on oleg122-server 1 1750 0.16 MB/sec execute 61 sec latency 111.101 ms 1 1807 0.16 MB/sec execute 62 sec latency 91.120 ms 1 1845 0.15 MB/sec execute 63 sec latency 127.991 ms 1 1884 0.15 MB/sec execute 64 sec latency 104.090 ms 22:31:16 (1788834676) shut down facet: mds2 facet_host: oleg122-server facet_failover_host: oleg122-server 1 1982 0.15 MB/sec execute 65 sec latency 101.273 ms 1 2087 0.15 MB/sec execute 66 sec latency 121.847 ms 1 2170 0.15 MB/sec execute 67 sec latency 50.522 ms 1 2259 0.15 MB/sec execute 68 sec latency 269.540 ms 1 2259 0.15 MB/sec execute 69 sec latency 1270.202 ms 1 2259 0.14 MB/sec execute 70 sec latency 2270.771 ms 1 2259 0.14 MB/sec execute 71 sec latency 3271.945 ms 1 2259 0.14 MB/sec execute 72 sec latency 4272.268 ms 1 2259 0.14 MB/sec execute 73 sec latency 5275.294 ms 1 2259 0.14 MB/sec execute 74 sec latency 6275.670 ms Failover mds2 to oleg122-server mount facets: mds2 1 2259 0.13 MB/sec execute 75 sec latency 7279.308 ms 1 2259 0.13 MB/sec execute 76 sec latency 8286.153 ms 1 2259 0.13 MB/sec execute 77 sec latency 9286.496 ms 1 2259 0.13 MB/sec execute 78 sec latency 10286.756 ms 1 2259 0.13 MB/sec execute 79 sec latency 11287.384 ms 1 2259 0.13 MB/sec execute 80 sec latency 12288.361 ms 1 2259 0.12 MB/sec execute 81 sec latency 13293.928 ms 1 2259 0.12 MB/sec execute 82 sec latency 14296.103 ms 1 2259 0.12 MB/sec execute 83 sec latency 15296.317 ms 1 2259 0.12 MB/sec execute 84 sec latency 16296.469 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 85 sec latency 17296.683 ms 1 2259 0.12 MB/sec execute 86 sec latency 18296.904 ms 1 2259 0.12 MB/sec execute 87 sec latency 19299.947 ms 1 2259 0.11 MB/sec execute 88 sec latency 20304.866 ms 1 2259 0.11 MB/sec execute 89 sec latency 21305.265 ms 1 2259 0.11 MB/sec execute 90 sec latency 22305.476 ms 1 2259 0.11 MB/sec execute 91 sec latency 23305.704 ms oleg122-server: oleg122-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 92 sec latency 24306.668 ms pdsh@oleg122-client: oleg122-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 93 sec latency 25311.739 ms Started lustre-MDT0001 1 2282 0.11 MB/sec execute 94 sec latency 26019.786 ms 22:31:46 (1788834706) targets are mounted 22:31:46 (1788834706) facet_failover done 1 2358 0.12 MB/sec execute 95 sec latency 65.642 ms 1 2402 0.12 MB/sec execute 96 sec latency 75.477 ms 1 2436 0.12 MB/sec execute 97 sec latency 91.000 ms 1 2477 0.12 MB/sec execute 98 sec latency 88.766 ms 1 2554 0.12 MB/sec execute 99 sec latency 139.536 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg122-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 359 121.566 26019.766 Close 309 139.880 39520.557 Rename 16 78.821 135.406 Unlink 38 27.206 66.142 Qpathinfo 344 14.254 99.681 Qfileinfo 84 1.678 11.482 Qfsinfo 43 4.301 29.732 Sfileinfo 49 59.052 139.664 Find 118 10.516 55.848 WriteX 286 13.097 77.842 ReadX 429 2.579 95.419 Flush 34 56.296 139.519 Throughput 0.123222 MB/sec 1 clients 1 procs max_latency=39520.582 ms stopping dbench on /mnt/lustre at Mon Sep 7 22:31:57 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /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 2512 1268792 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2284 1269020 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 25208 3572308 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1924 3604852 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27132 7177160 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 Mon Sep 7 22:32:05 EDT 2026 waiting for dbench pid 67908 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 22 0.52 MB/sec warmup 1 sec latency 19.797 ms 1 80 1.77 MB/sec warmup 2 sec latency 107.420 ms 1 130 1.92 MB/sec warmup 3 sec latency 106.283 ms 1 155 1.63 MB/sec warmup 4 sec latency 194.894 ms 1 184 1.48 MB/sec warmup 5 sec latency 370.551 ms 1 223 1.44 MB/sec warmup 6 sec latency 415.215 ms 1 270 1.45 MB/sec warmup 7 sec latency 130.397 ms 1 297 1.37 MB/sec warmup 8 sec latency 160.259 ms test_26 fail mds1 3 times 1 329 1.33 MB/sec warmup 9 sec latency 148.776 ms 1 350 1.25 MB/sec warmup 10 sec latency 172.893 ms Failing mds1 on oleg122-server 1 374 1.21 MB/sec warmup 11 sec latency 211.932 ms 1 405 1.19 MB/sec warmup 12 sec latency 193.520 ms Stopping /mnt/lustre-mds1 (opts:) on oleg122-server 1 437 1.18 MB/sec warmup 13 sec latency 174.292 ms 1 461 1.15 MB/sec warmup 14 sec latency 153.912 ms 1 461 1.08 MB/sec warmup 15 sec latency 1154.989 ms 1 461 1.01 MB/sec warmup 16 sec latency 2155.214 ms 1 461 0.95 MB/sec warmup 17 sec latency 3155.440 ms 1 461 0.90 MB/sec warmup 18 sec latency 4155.627 ms 1 461 0.85 MB/sec warmup 19 sec latency 5156.519 ms 1 461 0.00 MB/sec execute 1 sec latency 7159.039 ms 1 461 0.00 MB/sec execute 2 sec latency 8177.994 ms 1 461 0.00 MB/sec execute 3 sec latency 9178.196 ms 22:32:29 (1788834749) shut down 1 461 0.00 MB/sec execute 4 sec latency 10178.363 ms facet: mds1 facet_host: oleg122-server facet_failover_host: oleg122-server 1 461 0.00 MB/sec execute 5 sec latency 11178.660 ms 1 461 0.00 MB/sec execute 6 sec latency 12179.711 ms 1 461 0.00 MB/sec execute 7 sec latency 13182.621 ms 1 461 0.00 MB/sec execute 8 sec latency 14182.842 ms 1 461 0.00 MB/sec execute 9 sec latency 15183.504 ms 1 461 0.00 MB/sec execute 10 sec latency 16184.964 ms 1 461 0.00 MB/sec execute 11 sec latency 17185.205 ms 1 461 0.00 MB/sec execute 12 sec latency 18187.133 ms 1 461 0.00 MB/sec execute 13 sec latency 19187.329 ms 1 461 0.00 MB/sec execute 14 sec latency 20188.107 ms Failover mds1 to oleg122-server mount facets: mds1 1 461 0.00 MB/sec execute 15 sec latency 21188.358 ms 1 461 0.00 MB/sec execute 16 sec latency 22188.638 ms 1 461 0.00 MB/sec execute 17 sec latency 23189.897 ms 1 461 0.00 MB/sec execute 18 sec latency 24190.122 ms 1 461 0.00 MB/sec execute 19 sec latency 25194.812 ms 1 461 0.00 MB/sec execute 20 sec latency 26195.078 ms 1 461 0.00 MB/sec execute 21 sec latency 27195.282 ms 1 461 0.00 MB/sec execute 22 sec latency 28195.497 ms 1 461 0.00 MB/sec execute 23 sec latency 29195.670 ms 1 461 0.00 MB/sec execute 24 sec latency 30195.963 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 461 0.00 MB/sec execute 25 sec latency 31196.201 ms 1 461 0.00 MB/sec execute 26 sec latency 32196.504 ms 1 461 0.00 MB/sec execute 27 sec latency 33197.709 ms 1 461 0.00 MB/sec execute 28 sec latency 34198.695 ms 1 461 0.00 MB/sec execute 29 sec latency 35198.911 ms 1 461 0.00 MB/sec execute 30 sec latency 36199.893 ms 1 461 0.00 MB/sec execute 31 sec latency 37200.645 ms 1 461 0.00 MB/sec execute 32 sec latency 38203.318 ms 1 461 0.00 MB/sec execute 33 sec latency 39203.520 ms 1 461 0.00 MB/sec execute 34 sec latency 40205.519 ms 1 461 0.00 MB/sec execute 35 sec latency 41206.146 ms 1 461 0.00 MB/sec execute 36 sec latency 42206.933 ms 1 461 0.00 MB/sec execute 37 sec latency 43208.460 ms oleg122-server: oleg122-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 38 sec latency 44208.633 ms pdsh@oleg122-client: oleg122-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 39 sec latency 45209.138 ms 1 464 0.00 MB/sec execute 40 sec latency 46168.356 ms Started lustre-MDT0000 22:33:05 (1788834785) targets are mounted 22:33:05 (1788834785) facet_failover done 1 506 0.03 MB/sec execute 41 sec latency 140.825 ms 1 552 0.07 MB/sec execute 42 sec latency 135.397 ms 1 603 0.11 MB/sec execute 43 sec latency 513.472 ms 1 650 0.11 MB/sec execute 44 sec latency 131.142 ms 1 686 0.11 MB/sec execute 45 sec latency 105.117 ms 1 711 0.11 MB/sec execute 46 sec latency 156.355 ms 1 740 0.11 MB/sec execute 47 sec latency 126.740 ms oleg122-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.11 MB/sec execute 48 sec latency 154.454 ms 1 803 0.11 MB/sec execute 49 sec latency 179.809 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 845 0.11 MB/sec execute 50 sec latency 160.474 ms 1 874 0.11 MB/sec execute 51 sec latency 164.554 ms 1 902 0.11 MB/sec execute 52 sec latency 161.929 ms 1 934 0.11 MB/sec execute 53 sec latency 95.462 ms 1 969 0.10 MB/sec execute 54 sec latency 116.578 ms 1 1018 0.11 MB/sec execute 55 sec latency 125.541 ms 1 1076 0.12 MB/sec execute 56 sec latency 91.097 ms 1 1145 0.12 MB/sec execute 57 sec latency 60.620 ms 1 1172 0.12 MB/sec execute 58 sec latency 412.275 ms 1 1224 0.12 MB/sec execute 59 sec latency 564.502 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1268 0.12 MB/sec execute 60 sec latency 110.776 ms 1 1421 0.16 MB/sec execute 61 sec latency 77.380 ms 1 1481 0.16 MB/sec execute 62 sec latency 89.863 ms 1 1512 0.16 MB/sec execute 63 sec latency 94.967 ms 1 1566 0.16 MB/sec execute 64 sec latency 73.299 ms 1 1625 0.15 MB/sec execute 65 sec latency 148.287 ms 1 1662 0.15 MB/sec execute 66 sec latency 112.818 ms 1 1723 0.15 MB/sec execute 67 sec latency 123.289 ms 1 1808 0.15 MB/sec execute 68 sec latency 66.256 ms tar: Error is not recoverable: exiting now 1 1871 0.15 MB/sec execute 69 sec latency 101.183 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 22:33:34 EDT 2026 with return code 0 67908 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67908 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished