== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:32:26 (1788838346) Starting client oleg222-client.virtnet: -o user_xattr,flock 192.168.202.122@tcp:/lustre /mnt/lustre Started clients oleg222-client.virtnet: 192.168.202.122@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 65640 Started dbench loop with 65642 striped dir -i0 -c2 -H all_char /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584800 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190276 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 23:32:32 EDT 2026 waiting for dbench pid 65720 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 76.148 ms 1 54 1.04 MB/sec warmup 2 sec latency 155.891 ms 1 91 1.39 MB/sec warmup 3 sec latency 137.959 ms 1 120 1.37 MB/sec warmup 4 sec latency 384.318 ms 1 139 1.20 MB/sec warmup 5 sec latency 212.155 ms 1 157 1.09 MB/sec warmup 6 sec latency 204.422 ms 1 184 1.05 MB/sec warmup 7 sec latency 186.690 ms 1 197 0.98 MB/sec warmup 8 sec latency 642.225 ms 1 224 0.96 MB/sec warmup 9 sec latency 199.555 ms 1 263 0.99 MB/sec warmup 10 sec latency 146.275 ms test_26 fail mds1 1 times 1 289 0.97 MB/sec warmup 11 sec latency 220.990 ms 1 309 0.94 MB/sec warmup 12 sec latency 229.461 ms 1 323 0.90 MB/sec warmup 13 sec latency 353.926 ms Failing mds1 on oleg222-server 1 341 0.87 MB/sec warmup 14 sec latency 353.703 ms Stopping /mnt/lustre-mds1 (opts:) on oleg222-server 1 363 0.86 MB/sec warmup 15 sec latency 238.999 ms 1 389 0.86 MB/sec warmup 16 sec latency 225.487 ms 1 421 0.87 MB/sec warmup 17 sec latency 155.279 ms 1 444 0.87 MB/sec warmup 18 sec latency 193.818 ms 1 462 0.85 MB/sec warmup 19 sec latency 263.793 ms 23:32:52 (1788838372) shut down facet: mds1 facet_host: oleg222-server facet_failover_host: oleg222-server 1 501 0.00 MB/sec execute 1 sec latency 1100.164 ms 1 501 0.00 MB/sec execute 2 sec latency 2101.223 ms 1 501 0.00 MB/sec execute 3 sec latency 3101.522 ms 1 501 0.00 MB/sec execute 4 sec latency 4101.995 ms 1 501 0.00 MB/sec execute 5 sec latency 5102.321 ms 1 501 0.00 MB/sec execute 6 sec latency 6102.597 ms 1 501 0.00 MB/sec execute 7 sec latency 7102.869 ms 1 501 0.00 MB/sec execute 8 sec latency 8103.183 ms 1 501 0.00 MB/sec execute 9 sec latency 9103.444 ms 1 501 0.00 MB/sec execute 10 sec latency 10103.779 ms Failover mds1 to oleg222-server mount facets: mds1 1 501 0.00 MB/sec execute 11 sec latency 11105.799 ms 1 501 0.00 MB/sec execute 12 sec latency 12108.853 ms 1 501 0.00 MB/sec execute 13 sec latency 13110.426 ms 1 501 0.00 MB/sec execute 14 sec latency 14110.828 ms 1 501 0.00 MB/sec execute 15 sec latency 15114.465 ms 1 501 0.00 MB/sec execute 16 sec latency 16114.727 ms 1 501 0.00 MB/sec execute 17 sec latency 17114.994 ms 1 501 0.00 MB/sec execute 18 sec latency 18115.350 ms 1 501 0.00 MB/sec execute 19 sec latency 19121.725 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 20 sec latency 20122.222 ms 1 501 0.00 MB/sec execute 21 sec latency 21128.162 ms 1 501 0.00 MB/sec execute 22 sec latency 22128.447 ms 1 501 0.00 MB/sec execute 23 sec latency 23128.838 ms 1 501 0.00 MB/sec execute 24 sec latency 24129.165 ms 1 501 0.00 MB/sec execute 25 sec latency 25129.623 ms 1 501 0.00 MB/sec execute 26 sec latency 26129.876 ms 1 501 0.00 MB/sec execute 27 sec latency 27131.844 ms 1 501 0.00 MB/sec execute 28 sec latency 28132.205 ms 1 501 0.00 MB/sec execute 29 sec latency 29132.796 ms 1 501 0.00 MB/sec execute 30 sec latency 30133.391 ms oleg222-server: oleg222-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 31 sec latency 31133.740 ms pdsh@oleg222-client: oleg222-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 32 sec latency 32133.921 ms Started lustre-MDT0000 23:33:25 (1788838405) targets are mounted 23:33:25 (1788838405) facet_failover done 1 513 0.01 MB/sec execute 33 sec latency 32707.336 ms 1 552 0.05 MB/sec execute 34 sec latency 280.387 ms 1 612 0.10 MB/sec execute 35 sec latency 530.088 ms 1 673 0.10 MB/sec execute 36 sec latency 97.536 ms 1 710 0.10 MB/sec execute 37 sec latency 142.312 ms 1 738 0.10 MB/sec execute 38 sec latency 176.486 ms oleg222-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 779 0.10 MB/sec execute 39 sec latency 125.609 ms 1 821 0.10 MB/sec execute 40 sec latency 87.102 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 863 0.10 MB/sec execute 41 sec latency 133.915 ms 1 885 0.10 MB/sec execute 42 sec latency 138.808 ms 1 908 0.10 MB/sec execute 43 sec latency 171.995 ms 1 949 0.10 MB/sec execute 44 sec latency 116.787 ms 1 981 0.10 MB/sec execute 45 sec latency 151.711 ms 1 1033 0.12 MB/sec execute 46 sec latency 122.738 ms 1 1099 0.12 MB/sec execute 47 sec latency 101.199 ms 1 1142 0.11 MB/sec execute 48 sec latency 144.614 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1900 1269404 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33572 3570460 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 22000 3583780 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55572 7154240 1% /mnt/lustre 1 1172 0.11 MB/sec execute 49 sec latency 186.471 ms 1 1172 0.11 MB/sec execute 50 sec latency 1064.055 ms 1 1192 0.11 MB/sec execute 51 sec latency 1214.419 ms 1 1227 0.11 MB/sec execute 52 sec latency 115.877 ms 1 1259 0.11 MB/sec execute 53 sec latency 164.139 ms 1 1382 0.16 MB/sec execute 54 sec latency 154.841 ms 1 1410 0.16 MB/sec execute 55 sec latency 112.458 ms 1 1451 0.15 MB/sec execute 56 sec latency 90.972 ms 1 1486 0.15 MB/sec execute 57 sec latency 133.244 ms 1 1512 0.15 MB/sec execute 58 sec latency 130.996 ms 1 1560 0.15 MB/sec execute 59 sec latency 95.962 ms test_26 fail mds2 2 times 1 1603 0.14 MB/sec execute 60 sec latency 123.760 ms 1 1632 0.14 MB/sec execute 61 sec latency 125.022 ms 1 1656 0.14 MB/sec execute 62 sec latency 158.864 ms Failing mds2 on oleg222-server 1 1689 0.14 MB/sec execute 63 sec latency 185.231 ms Stopping /mnt/lustre-mds2 (opts:) on oleg222-server 1 1715 0.14 MB/sec execute 64 sec latency 187.918 ms 1 1738 0.14 MB/sec execute 65 sec latency 383.580 ms 1 1738 0.13 MB/sec execute 66 sec latency 1383.941 ms 1 1738 0.13 MB/sec execute 67 sec latency 2387.578 ms 23:34:00 (1788838440) shut down facet: mds2 facet_host: oleg222-server facet_failover_host: oleg222-server 1 1738 0.13 MB/sec execute 68 sec latency 3391.200 ms 1 1738 0.13 MB/sec execute 69 sec latency 4393.504 ms 1 1738 0.13 MB/sec execute 70 sec latency 5395.175 ms 1 1738 0.12 MB/sec execute 71 sec latency 6398.158 ms 1 1738 0.12 MB/sec execute 72 sec latency 7398.473 ms 1 1738 0.12 MB/sec execute 73 sec latency 8399.148 ms 1 1738 0.12 MB/sec execute 74 sec latency 9399.419 ms 1 1738 0.12 MB/sec execute 75 sec latency 10399.607 ms 1 1738 0.12 MB/sec execute 76 sec latency 11399.907 ms 1 1738 0.11 MB/sec execute 77 sec latency 12400.850 ms 1 1738 0.11 MB/sec execute 78 sec latency 13401.460 ms Failover mds2 to oleg222-server mount facets: mds2 1 1738 0.11 MB/sec execute 79 sec latency 14402.033 ms 1 1738 0.11 MB/sec execute 80 sec latency 15402.847 ms 1 1738 0.11 MB/sec execute 81 sec latency 16404.184 ms 1 1738 0.11 MB/sec execute 82 sec latency 17404.510 ms 1 1738 0.11 MB/sec execute 83 sec latency 18412.357 ms 1 1738 0.10 MB/sec execute 84 sec latency 19413.054 ms 1 1738 0.10 MB/sec execute 85 sec latency 20413.324 ms 1 1738 0.10 MB/sec execute 86 sec latency 21413.943 ms 1 1738 0.10 MB/sec execute 87 sec latency 22414.230 ms 1 1738 0.10 MB/sec execute 88 sec latency 23415.950 ms 1 1738 0.10 MB/sec execute 89 sec latency 24416.847 ms 1 1738 0.10 MB/sec execute 90 sec latency 25439.540 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1738 0.10 MB/sec execute 91 sec latency 26444.984 ms 1 1738 0.10 MB/sec execute 92 sec latency 27445.462 ms 1 1738 0.09 MB/sec execute 93 sec latency 28445.777 ms 1 1738 0.09 MB/sec execute 94 sec latency 29446.013 ms 1 1738 0.09 MB/sec execute 95 sec latency 30446.298 ms 1 1738 0.09 MB/sec execute 96 sec latency 31450.429 ms 1 1738 0.09 MB/sec execute 97 sec latency 32451.600 ms oleg222-server: oleg222-server.virtnet: executing set_default_debug -1 all 1 1738 0.09 MB/sec execute 98 sec latency 33452.351 ms pdsh@oleg222-client: oleg222-server: ssh exited with exit code 1 1 1738 0.09 MB/sec execute 99 sec latency 34454.413 ms Started lustre-MDT0001 1 cleanup 100 sec 23:34:33 (1788838473) targets are mounted 23:34:33 (1788838473) facet_failover done 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 211 224.636 32707.313 Close 169 14.859 58.957 Rename 11 118.377 186.161 Unlink 22 27.436 84.279 Qpathinfo 162 245.819 36623.513 Qfileinfo 50 2.356 20.406 Qfsinfo 33 4.312 41.461 Sfileinfo 34 68.427 142.272 Find 63 17.032 91.506 WriteX 185 15.066 100.093 ReadX 271 0.192 8.414 Flush 27 58.885 139.881 Throughput 0.0888484 MB/sec 1 clients 1 procs max_latency=34454.413 ms stopping dbench on /mnt/lustre at Mon Sep 7 23:34:39 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg222-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 Mon Sep 7 23:34:50 EDT 2026 waiting for dbench pid 67804 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 0 7 0.00 MB/sec warmup 1 sec latency 54.484 ms 1 51 1.04 MB/sec warmup 2 sec latency 91.982 ms 1 109 1.72 MB/sec warmup 3 sec latency 116.912 ms 1 137 1.50 MB/sec warmup 4 sec latency 246.470 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2336 1268968 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 27188 3578528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20052 3582408 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47240 7160936 1% /mnt/lustre 1 155 1.31 MB/sec warmup 5 sec latency 333.697 ms 1 184 1.23 MB/sec warmup 6 sec latency 362.088 ms 1 213 1.18 MB/sec warmup 7 sec latency 424.588 ms 1 245 1.17 MB/sec warmup 8 sec latency 217.448 ms 1 279 1.16 MB/sec warmup 9 sec latency 151.824 ms 1 315 1.15 MB/sec warmup 10 sec latency 132.554 ms 1 341 1.11 MB/sec warmup 11 sec latency 308.070 ms 1 373 1.11 MB/sec warmup 12 sec latency 174.552 ms 1 421 1.14 MB/sec warmup 13 sec latency 159.500 ms 1 469 1.17 MB/sec warmup 14 sec latency 115.320 ms test_26 fail mds1 3 times 1 503 1.16 MB/sec warmup 15 sec latency 163.451 ms 1 532 1.16 MB/sec warmup 16 sec latency 159.053 ms Failing mds1 on oleg222-server 1 591 1.20 MB/sec warmup 17 sec latency 159.858 ms 1 642 1.17 MB/sec warmup 18 sec latency 140.943 ms Stopping /mnt/lustre-mds1 (opts:) on oleg222-server 1 674 1.11 MB/sec warmup 19 sec latency 118.182 ms 1 686 0.00 MB/sec execute 1 sec latency 1660.759 ms 1 686 0.00 MB/sec execute 2 sec latency 2661.033 ms 23:35:12 (1788838512) shut down facet: mds1 facet_host: oleg222-server facet_failover_host: oleg222-server 1 686 0.00 MB/sec execute 3 sec latency 3661.299 ms 1 686 0.00 MB/sec execute 4 sec latency 4662.481 ms 1 686 0.00 MB/sec execute 5 sec latency 5662.949 ms 1 686 0.00 MB/sec execute 6 sec latency 6666.448 ms 1 686 0.00 MB/sec execute 7 sec latency 7666.719 ms 1 686 0.00 MB/sec execute 8 sec latency 8670.602 ms 1 686 0.00 MB/sec execute 9 sec latency 9671.322 ms 1 686 0.00 MB/sec execute 10 sec latency 10673.004 ms 1 686 0.00 MB/sec execute 11 sec latency 11676.693 ms 1 686 0.00 MB/sec execute 12 sec latency 12677.329 ms Failover mds1 to oleg222-server mount facets: mds1 1 686 0.00 MB/sec execute 13 sec latency 13685.336 ms 1 686 0.00 MB/sec execute 14 sec latency 14686.026 ms 1 686 0.00 MB/sec execute 15 sec latency 15686.688 ms 1 686 0.00 MB/sec execute 16 sec latency 16689.665 ms 1 686 0.00 MB/sec execute 17 sec latency 17691.694 ms 1 686 0.00 MB/sec execute 18 sec latency 18691.912 ms 1 686 0.00 MB/sec execute 19 sec latency 19692.155 ms 1 686 0.00 MB/sec execute 20 sec latency 20693.808 ms 1 686 0.00 MB/sec execute 21 sec latency 21694.595 ms 1 686 0.00 MB/sec execute 22 sec latency 22695.592 ms 1 686 0.00 MB/sec execute 23 sec latency 23695.873 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 686 0.00 MB/sec execute 24 sec latency 24697.720 ms 1 686 0.00 MB/sec execute 25 sec latency 25698.041 ms 1 686 0.00 MB/sec execute 26 sec latency 26698.333 ms 1 686 0.00 MB/sec execute 27 sec latency 27698.650 ms 1 686 0.00 MB/sec execute 28 sec latency 28700.382 ms 1 686 0.00 MB/sec execute 29 sec latency 29701.116 ms 1 686 0.00 MB/sec execute 30 sec latency 30701.868 ms 1 686 0.00 MB/sec execute 31 sec latency 31702.306 ms 1 686 0.00 MB/sec execute 32 sec latency 32702.985 ms oleg222-server: oleg222-server.virtnet: executing set_default_debug -1 all 1 686 0.00 MB/sec execute 33 sec latency 33707.806 ms 1 686 0.00 MB/sec execute 34 sec latency 34708.539 ms pdsh@oleg222-client: oleg222-server: ssh exited with exit code 1 Started lustre-MDT0000 1 686 0.00 MB/sec execute 35 sec latency 35708.736 ms 23:35:45 (1788838545) targets are mounted 23:35:45 (1788838545) facet_failover done 1 712 0.00 MB/sec execute 36 sec latency 35922.896 ms 1 737 0.00 MB/sec execute 37 sec latency 125.288 ms 1 762 0.00 MB/sec execute 38 sec latency 238.462 ms 1 778 0.00 MB/sec execute 39 sec latency 198.742 ms 1 804 0.01 MB/sec execute 40 sec latency 136.146 ms 1 845 0.01 MB/sec execute 41 sec latency 143.190 ms 1 873 0.01 MB/sec execute 42 sec latency 129.980 ms 1 884 0.01 MB/sec execute 43 sec latency 455.466 ms oleg222-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.01 MB/sec execute 44 sec latency 1457.603 ms 1 888 0.01 MB/sec execute 45 sec latency 2216.930 ms 1 904 0.01 MB/sec execute 46 sec latency 180.321 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 923 0.01 MB/sec execute 47 sec latency 163.766 ms 1 955 0.01 MB/sec execute 48 sec latency 131.916 ms 1 972 0.01 MB/sec execute 49 sec latency 197.883 ms 1 993 0.01 MB/sec execute 50 sec latency 152.236 ms 1 1063 0.03 MB/sec execute 51 sec latency 93.915 ms 1 1116 0.03 MB/sec execute 52 sec latency 115.394 ms 1 1156 0.03 MB/sec execute 53 sec latency 101.773 ms 1 1200 0.03 MB/sec execute 54 sec latency 113.936 ms 1 1229 0.03 MB/sec execute 55 sec latency 124.450 ms 1 1259 0.03 MB/sec execute 56 sec latency 211.516 ms 1 1318 0.05 MB/sec execute 57 sec latency 147.959 ms 1 1405 0.08 MB/sec execute 58 sec latency 87.083 ms 1 1441 0.08 MB/sec execute 59 sec latency 134.650 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1467 0.08 MB/sec execute 60 sec latency 410.299 ms 1 1491 0.08 MB/sec execute 61 sec latency 584.835 ms 1 1515 0.08 MB/sec execute 62 sec latency 152.415 ms 1 1558 0.08 MB/sec execute 63 sec latency 107.868 ms 1 1580 0.08 MB/sec execute 64 sec latency 102.524 ms 1 1634 0.08 MB/sec execute 65 sec latency 92.434 ms 1 1670 0.08 MB/sec execute 66 sec latency 113.698 ms 1 1694 0.08 MB/sec execute 67 sec latency 216.446 ms 1 1787 0.08 MB/sec execute 68 sec latency 115.951 ms 1 1830 0.07 MB/sec execute 69 sec latency 121.541 ms 1 1868 0.07 MB/sec execute 70 sec latency 107.590 ms 1 1942 0.07 MB/sec execute 71 sec latency 76.977 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 23:36:22 EDT 2026 with return code 0 1 2014 0.07 MB/sec execute 72 sec latency 65.570 ms 67804 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67804 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished