== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:02:42 (1787587362) Starting client oleg144-client.virtnet: -o user_xattr,flock 192.168.201.144@tcp:/lustre /mnt/lustre Started clients oleg144-client.virtnet: 192.168.201.144@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 65685 Started dbench loop with 65686 striped dir -i0 -c2 -H fnv_1a_64 /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 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3593040 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198516 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 Aug 24 12:02:49 EDT 2026 waiting for dbench pid 65765 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 17.103 ms 1 46 0.91 MB/sec warmup 2 sec latency 112.697 ms 1 91 1.39 MB/sec warmup 3 sec latency 147.775 ms 1 124 1.37 MB/sec warmup 4 sec latency 180.230 ms 1 155 1.30 MB/sec warmup 5 sec latency 217.431 ms 1 157 1.09 MB/sec warmup 6 sec latency 838.366 ms 1 171 1.00 MB/sec warmup 7 sec latency 1392.570 ms 1 184 0.92 MB/sec warmup 8 sec latency 493.441 ms 1 215 0.93 MB/sec warmup 9 sec latency 686.702 ms 1 248 0.94 MB/sec warmup 10 sec latency 146.462 ms test_26 fail mds1 1 times 1 279 0.95 MB/sec warmup 11 sec latency 148.635 ms 1 303 0.93 MB/sec warmup 12 sec latency 165.206 ms Failing mds1 on oleg144-server 1 325 0.90 MB/sec warmup 13 sec latency 160.095 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 365 0.93 MB/sec warmup 14 sec latency 155.961 ms 1 396 0.94 MB/sec warmup 15 sec latency 313.494 ms 1 396 0.88 MB/sec warmup 16 sec latency 1323.277 ms 12:03:06 (1787587386) shut down 1 396 0.82 MB/sec warmup 17 sec latency 2346.952 ms facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 396 0.78 MB/sec warmup 18 sec latency 3348.038 ms 1 396 0.74 MB/sec warmup 19 sec latency 4348.450 ms 1 396 0.00 MB/sec execute 1 sec latency 6349.767 ms 1 396 0.00 MB/sec execute 2 sec latency 7350.168 ms 1 396 0.00 MB/sec execute 3 sec latency 8350.463 ms 1 396 0.00 MB/sec execute 4 sec latency 9351.133 ms 1 396 0.00 MB/sec execute 5 sec latency 10351.499 ms 1 396 0.00 MB/sec execute 6 sec latency 11352.376 ms 1 396 0.00 MB/sec execute 7 sec latency 12359.431 ms Failover mds1 to oleg144-server mount facets: mds1 1 396 0.00 MB/sec execute 8 sec latency 13359.999 ms 1 396 0.00 MB/sec execute 9 sec latency 14360.388 ms 1 396 0.00 MB/sec execute 10 sec latency 15361.794 ms 1 396 0.00 MB/sec execute 11 sec latency 16364.689 ms 1 396 0.00 MB/sec execute 12 sec latency 17367.841 ms 1 396 0.00 MB/sec execute 13 sec latency 18368.041 ms 1 396 0.00 MB/sec execute 14 sec latency 19368.293 ms 1 396 0.00 MB/sec execute 15 sec latency 20368.528 ms 1 396 0.00 MB/sec execute 16 sec latency 21368.884 ms 1 396 0.00 MB/sec execute 17 sec latency 22383.348 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 396 0.00 MB/sec execute 18 sec latency 23383.568 ms 1 396 0.00 MB/sec execute 19 sec latency 24383.808 ms 1 396 0.00 MB/sec execute 20 sec latency 25384.102 ms 1 396 0.00 MB/sec execute 21 sec latency 26387.333 ms 1 396 0.00 MB/sec execute 22 sec latency 27387.602 ms 1 396 0.00 MB/sec execute 23 sec latency 28387.942 ms 1 396 0.00 MB/sec execute 24 sec latency 29388.261 ms 1 396 0.00 MB/sec execute 25 sec latency 30388.564 ms 1 396 0.00 MB/sec execute 26 sec latency 31389.496 ms 1 396 0.00 MB/sec execute 27 sec latency 32389.957 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 396 0.00 MB/sec execute 28 sec latency 33390.666 ms 1 396 0.00 MB/sec execute 29 sec latency 34392.131 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 396 0.00 MB/sec execute 30 sec latency 35393.918 ms Started lustre-MDT0000 12:03:40 (1787587420) targets are mounted 12:03:40 (1787587420) facet_failover done 1 413 0.02 MB/sec execute 31 sec latency 36119.695 ms 1 453 0.06 MB/sec execute 32 sec latency 108.388 ms 1 483 0.08 MB/sec execute 33 sec latency 175.607 ms 1 511 0.11 MB/sec execute 34 sec latency 155.710 ms 1 552 0.14 MB/sec execute 35 sec latency 218.761 ms 1 578 0.15 MB/sec execute 36 sec latency 946.995 ms 1 616 0.19 MB/sec execute 37 sec latency 119.162 ms 1 659 0.19 MB/sec execute 38 sec latency 118.703 ms 1 689 0.18 MB/sec execute 39 sec latency 139.606 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 718 0.18 MB/sec execute 40 sec latency 142.699 ms 1 749 0.18 MB/sec execute 41 sec latency 89.761 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 788 0.18 MB/sec execute 42 sec latency 119.543 ms 1 812 0.17 MB/sec execute 43 sec latency 130.948 ms 1 849 0.17 MB/sec execute 44 sec latency 132.714 ms 1 877 0.17 MB/sec execute 45 sec latency 134.800 ms 1 903 0.16 MB/sec execute 46 sec latency 114.137 ms 1 933 0.16 MB/sec execute 47 sec latency 154.339 ms 1 969 0.16 MB/sec execute 48 sec latency 161.385 ms 1 990 0.16 MB/sec execute 49 sec latency 132.611 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 43512 3554376 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 8388 3595292 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51900 7149668 1% /mnt/lustre 1 1040 0.18 MB/sec execute 50 sec latency 113.827 ms 1 1076 0.17 MB/sec execute 51 sec latency 118.554 ms 1 1118 0.17 MB/sec execute 52 sec latency 109.531 ms 1 1147 0.17 MB/sec execute 53 sec latency 128.571 ms 1 1172 0.17 MB/sec execute 54 sec latency 468.769 ms 1 1180 0.16 MB/sec execute 55 sec latency 1045.174 ms 1 1223 0.16 MB/sec execute 56 sec latency 82.941 ms 1 1262 0.16 MB/sec execute 57 sec latency 85.490 ms 1 1399 0.21 MB/sec execute 58 sec latency 58.469 ms 1 1447 0.20 MB/sec execute 59 sec latency 98.200 ms test_26 fail mds2 2 times 1 1502 0.20 MB/sec execute 60 sec latency 71.666 ms 1 1548 0.20 MB/sec execute 61 sec latency 96.404 ms 1 1590 0.19 MB/sec execute 62 sec latency 87.328 ms Failing mds2 on oleg144-server 1 1619 0.19 MB/sec execute 63 sec latency 128.547 ms Stopping /mnt/lustre-mds2 (opts:) on oleg144-server 1 1653 0.19 MB/sec execute 64 sec latency 151.028 ms 1 1689 0.19 MB/sec execute 65 sec latency 212.387 ms 1 1745 0.18 MB/sec execute 66 sec latency 92.113 ms 1 1801 0.18 MB/sec execute 67 sec latency 95.607 ms 12:04:18 (1787587458) shut down 1 1840 0.18 MB/sec execute 68 sec latency 145.871 ms facet: mds2 facet_host: oleg144-server facet_failover_host: oleg144-server 1 1888 0.18 MB/sec execute 69 sec latency 134.670 ms 1 1974 0.18 MB/sec execute 70 sec latency 110.179 ms 1 2016 0.17 MB/sec execute 71 sec latency 114.787 ms 1 2098 0.17 MB/sec execute 72 sec latency 95.443 ms 1 2160 0.17 MB/sec execute 73 sec latency 78.871 ms 1 2210 0.17 MB/sec execute 74 sec latency 104.520 ms 1 2259 0.17 MB/sec execute 75 sec latency 326.664 ms 1 2259 0.17 MB/sec execute 76 sec latency 1327.046 ms 1 2259 0.16 MB/sec execute 77 sec latency 2327.319 ms 1 2259 0.16 MB/sec execute 78 sec latency 3327.669 ms Failover mds2 to oleg144-server mount facets: mds2 1 2259 0.16 MB/sec execute 79 sec latency 4328.368 ms 1 2259 0.16 MB/sec execute 80 sec latency 5329.061 ms 1 2259 0.16 MB/sec execute 81 sec latency 6329.291 ms 1 2259 0.15 MB/sec execute 82 sec latency 7331.540 ms 1 2259 0.15 MB/sec execute 83 sec latency 8331.756 ms 1 2259 0.15 MB/sec execute 84 sec latency 9332.053 ms 1 2259 0.15 MB/sec execute 85 sec latency 10332.326 ms 1 2259 0.15 MB/sec execute 86 sec latency 11333.876 ms 1 2259 0.15 MB/sec execute 87 sec latency 12334.732 ms 1 2259 0.14 MB/sec execute 88 sec latency 13334.942 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 89 sec latency 14335.220 ms 1 2259 0.14 MB/sec execute 90 sec latency 15335.732 ms 1 2259 0.14 MB/sec execute 91 sec latency 16337.800 ms 1 2259 0.14 MB/sec execute 92 sec latency 17338.397 ms 1 2259 0.14 MB/sec execute 93 sec latency 18338.737 ms 1 2259 0.13 MB/sec execute 94 sec latency 19339.904 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 95 sec latency 20340.615 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 96 sec latency 21349.507 ms 1 2259 0.13 MB/sec execute 97 sec latency 22349.765 ms Started lustre-MDT0001 12:04:47 (1787587487) targets are mounted 12:04:47 (1787587487) facet_failover done 1 2259 0.13 MB/sec execute 98 sec latency 23350.450 ms 1 2273 0.13 MB/sec execute 99 sec latency 24149.500 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 338 131.761 24149.473 Close 294 136.548 36119.665 Rename 11 79.825 124.213 Unlink 31 28.655 57.950 Qpathinfo 307 16.061 97.805 Qfileinfo 84 2.520 16.436 Qfsinfo 37 5.483 35.301 Sfileinfo 36 68.856 154.323 Find 100 16.290 119.146 WriteX 302 15.569 77.316 ReadX 377 3.255 122.522 Flush 30 56.088 120.014 Throughput 0.132261 MB/sec 1 clients 1 procs max_latency=36119.695 ms stopping dbench on /mnt/lustre at Mon Aug 24 12:04:54 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /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 Aug 24 12:05:03 EDT 2026 waiting for dbench pid 67894 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 24 0.65 MB/sec warmup 1 sec latency 21.947 ms 1 71 1.57 MB/sec warmup 2 sec latency 124.648 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20760 3586052 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26472 3578892 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47232 7164944 1% /mnt/lustre 1 113 1.75 MB/sec warmup 3 sec latency 184.753 ms 1 140 1.50 MB/sec warmup 4 sec latency 190.684 ms 1 169 1.37 MB/sec warmup 5 sec latency 184.978 ms 1 190 1.26 MB/sec warmup 6 sec latency 338.147 ms 1 231 1.27 MB/sec warmup 7 sec latency 123.503 ms 1 264 1.24 MB/sec warmup 8 sec latency 150.443 ms 1 295 1.20 MB/sec warmup 9 sec latency 184.912 ms 1 316 1.14 MB/sec warmup 10 sec latency 203.549 ms 1 351 1.13 MB/sec warmup 11 sec latency 141.361 ms 1 385 1.13 MB/sec warmup 12 sec latency 141.976 ms test_26 fail mds1 3 times 1 429 1.16 MB/sec warmup 13 sec latency 173.737 ms 1 461 1.15 MB/sec warmup 14 sec latency 150.903 ms 1 497 1.15 MB/sec warmup 15 sec latency 138.888 ms Failing mds1 on oleg144-server 1 523 1.12 MB/sec warmup 16 sec latency 161.258 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 591 1.20 MB/sec warmup 17 sec latency 219.087 ms 1 636 1.17 MB/sec warmup 18 sec latency 244.513 ms 1 636 1.10 MB/sec warmup 19 sec latency 1245.462 ms 12:05:24 (1787587524) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 636 0.00 MB/sec execute 1 sec latency 3246.052 ms 1 636 0.00 MB/sec execute 2 sec latency 4246.378 ms 1 636 0.00 MB/sec execute 3 sec latency 5252.447 ms 1 636 0.00 MB/sec execute 4 sec latency 6255.291 ms 1 636 0.00 MB/sec execute 5 sec latency 7256.489 ms 1 636 0.00 MB/sec execute 6 sec latency 8258.343 ms 1 636 0.00 MB/sec execute 7 sec latency 9258.566 ms 1 636 0.00 MB/sec execute 8 sec latency 10258.787 ms 1 636 0.00 MB/sec execute 9 sec latency 11259.044 ms 1 636 0.00 MB/sec execute 10 sec latency 12265.408 ms 1 636 0.00 MB/sec execute 11 sec latency 13265.567 ms Failover mds1 to oleg144-server mount facets: mds1 1 636 0.00 MB/sec execute 12 sec latency 14273.991 ms 1 636 0.00 MB/sec execute 13 sec latency 15277.790 ms 1 636 0.00 MB/sec execute 14 sec latency 16278.928 ms 1 636 0.00 MB/sec execute 15 sec latency 17279.278 ms 1 636 0.00 MB/sec execute 16 sec latency 18280.061 ms 1 636 0.00 MB/sec execute 17 sec latency 19280.306 ms 1 636 0.00 MB/sec execute 18 sec latency 20280.672 ms 1 636 0.00 MB/sec execute 19 sec latency 21283.195 ms 1 636 0.00 MB/sec execute 20 sec latency 22283.345 ms 1 636 0.00 MB/sec execute 21 sec latency 23283.488 ms 1 636 0.00 MB/sec execute 22 sec latency 24283.864 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 636 0.00 MB/sec execute 23 sec latency 25291.850 ms 1 636 0.00 MB/sec execute 24 sec latency 26292.051 ms 1 636 0.00 MB/sec execute 25 sec latency 27292.473 ms 1 636 0.00 MB/sec execute 26 sec latency 28292.726 ms 1 636 0.00 MB/sec execute 27 sec latency 29293.212 ms 1 636 0.00 MB/sec execute 28 sec latency 30296.949 ms 1 636 0.00 MB/sec execute 29 sec latency 31299.408 ms 1 636 0.00 MB/sec execute 30 sec latency 32299.672 ms 1 636 0.00 MB/sec execute 31 sec latency 33300.010 ms 1 636 0.00 MB/sec execute 32 sec latency 34300.199 ms 1 636 0.00 MB/sec execute 33 sec latency 35300.418 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 636 0.00 MB/sec execute 34 sec latency 36300.645 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 636 0.00 MB/sec execute 35 sec latency 37301.390 ms 1 636 0.00 MB/sec execute 36 sec latency 38301.607 ms Started lustre-MDT0000 12:06:00 (1787587560) targets are mounted 12:06:00 (1787587560) facet_failover done 1 636 0.00 MB/sec execute 37 sec latency 39305.994 ms 1 661 0.00 MB/sec execute 38 sec latency 39397.345 ms 1 689 0.00 MB/sec execute 39 sec latency 123.505 ms 1 712 0.00 MB/sec execute 40 sec latency 164.399 ms 1 738 0.01 MB/sec execute 41 sec latency 137.955 ms 1 767 0.01 MB/sec execute 42 sec latency 182.519 ms 1 789 0.01 MB/sec execute 43 sec latency 167.672 ms 1 811 0.01 MB/sec execute 44 sec latency 146.848 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 869 0.01 MB/sec execute 45 sec latency 109.496 ms 1 884 0.01 MB/sec execute 46 sec latency 406.220 ms 1 884 0.01 MB/sec execute 47 sec latency 1406.565 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 897 0.01 MB/sec execute 48 sec latency 1799.002 ms 1 919 0.01 MB/sec execute 49 sec latency 143.385 ms 1 948 0.01 MB/sec execute 50 sec latency 177.752 ms 1 977 0.02 MB/sec execute 51 sec latency 151.214 ms 1 1005 0.02 MB/sec execute 52 sec latency 152.019 ms 1 1067 0.03 MB/sec execute 53 sec latency 109.341 ms 1 1127 0.04 MB/sec execute 54 sec latency 82.694 ms 1 1172 0.04 MB/sec execute 55 sec latency 103.781 ms 1 1219 0.04 MB/sec execute 56 sec latency 90.983 ms 1 1252 0.04 MB/sec execute 57 sec latency 148.608 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1379 0.09 MB/sec execute 58 sec latency 112.236 ms 1 1421 0.08 MB/sec execute 59 sec latency 91.074 ms 1 1467 0.08 MB/sec execute 60 sec latency 158.972 ms 1 1499 0.08 MB/sec execute 61 sec latency 323.840 ms 1 1542 0.08 MB/sec execute 62 sec latency 112.291 ms 1 1583 0.08 MB/sec execute 63 sec latency 80.483 ms 1 1634 0.08 MB/sec execute 64 sec latency 94.204 ms 1 1686 0.08 MB/sec execute 65 sec latency 171.217 ms 1 1744 0.08 MB/sec execute 66 sec latency 93.342 ms 1 1789 0.08 MB/sec execute 67 sec latency 120.046 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 24 12:06:31 EDT 2026 with return code 0 67894 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67894 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished