== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:16:43 (1789114603) Starting client oleg219-client.virtnet: -o user_xattr,flock 192.168.202.119@tcp:/lustre /mnt/lustre Started clients oleg219-client.virtnet: 192.168.202.119@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65020 Started dbench loop with 65022 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /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 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3588920 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194396 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 Fri Sep 11 04:16:50 EDT 2026 waiting for dbench pid 65100 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 10 0.00 MB/sec warmup 1 sec latency 9.370 ms 1 51 1.04 MB/sec warmup 2 sec latency 220.889 ms 1 106 1.65 MB/sec warmup 3 sec latency 254.999 ms 1 137 1.50 MB/sec warmup 4 sec latency 209.064 ms 1 165 1.36 MB/sec warmup 5 sec latency 166.128 ms 1 180 1.22 MB/sec warmup 6 sec latency 655.570 ms 1 188 1.08 MB/sec warmup 7 sec latency 946.111 ms 1 215 1.04 MB/sec warmup 8 sec latency 197.245 ms 1 263 1.10 MB/sec warmup 9 sec latency 108.149 ms test_26 fail mds1 1 times 1 300 1.09 MB/sec warmup 10 sec latency 141.641 ms 1 325 1.07 MB/sec warmup 11 sec latency 162.334 ms Failing mds1 on oleg219-server 1 357 1.06 MB/sec warmup 12 sec latency 175.094 ms Stopping /mnt/lustre-mds1 (opts:) on oleg219-server 1 396 1.08 MB/sec warmup 13 sec latency 135.460 ms 1 429 1.08 MB/sec warmup 14 sec latency 241.316 ms 1 429 1.01 MB/sec warmup 15 sec latency 1241.607 ms 1 429 0.94 MB/sec warmup 16 sec latency 2241.760 ms 04:17:06 (1789114626) shut down facet: mds1 facet_host: oleg219-server facet_failover_host: oleg219-server 1 429 0.89 MB/sec warmup 17 sec latency 3242.166 ms 1 429 0.84 MB/sec warmup 18 sec latency 4242.721 ms 1 429 0.79 MB/sec warmup 19 sec latency 5243.133 ms 1 429 0.00 MB/sec execute 1 sec latency 7243.640 ms 1 429 0.00 MB/sec execute 2 sec latency 8245.153 ms 1 429 0.00 MB/sec execute 3 sec latency 9245.504 ms 1 429 0.00 MB/sec execute 4 sec latency 10245.774 ms 1 429 0.00 MB/sec execute 5 sec latency 11247.600 ms 1 429 0.00 MB/sec execute 6 sec latency 12247.823 ms Failover mds1 to oleg219-server mount facets: mds1 1 429 0.00 MB/sec execute 7 sec latency 13249.022 ms 1 429 0.00 MB/sec execute 8 sec latency 14249.375 ms 1 429 0.00 MB/sec execute 9 sec latency 15249.786 ms 1 429 0.00 MB/sec execute 10 sec latency 16250.033 ms 1 429 0.00 MB/sec execute 11 sec latency 17250.238 ms 1 429 0.00 MB/sec execute 12 sec latency 18266.436 ms 1 429 0.00 MB/sec execute 13 sec latency 19266.837 ms 1 429 0.00 MB/sec execute 14 sec latency 20271.997 ms 1 429 0.00 MB/sec execute 15 sec latency 21273.091 ms 1 429 0.00 MB/sec execute 16 sec latency 22273.342 ms 1 429 0.00 MB/sec execute 17 sec latency 23274.102 ms 1 429 0.00 MB/sec execute 18 sec latency 24274.386 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 429 0.00 MB/sec execute 19 sec latency 25274.659 ms 1 429 0.00 MB/sec execute 20 sec latency 26276.025 ms 1 429 0.00 MB/sec execute 21 sec latency 27276.361 ms 1 429 0.00 MB/sec execute 22 sec latency 28276.640 ms 1 429 0.00 MB/sec execute 23 sec latency 29303.014 ms 1 429 0.00 MB/sec execute 24 sec latency 30303.317 ms 1 429 0.00 MB/sec execute 25 sec latency 31305.354 ms 1 429 0.00 MB/sec execute 26 sec latency 32305.607 ms 1 429 0.00 MB/sec execute 27 sec latency 33305.904 ms 1 429 0.00 MB/sec execute 28 sec latency 34306.182 ms oleg219-server: oleg219-server.virtnet: executing set_default_debug -1 all 1 429 0.00 MB/sec execute 29 sec latency 35308.248 ms 1 429 0.00 MB/sec execute 30 sec latency 36309.522 ms pdsh@oleg219-client: oleg219-server: ssh exited with exit code 1 1 437 0.01 MB/sec execute 31 sec latency 37106.750 ms Started lustre-MDT0000 04:17:42 (1789114662) targets are mounted 04:17:42 (1789114662) facet_failover done 1 469 0.04 MB/sec execute 32 sec latency 121.838 ms 1 511 0.08 MB/sec execute 33 sec latency 101.813 ms 1 542 0.12 MB/sec execute 34 sec latency 238.771 ms 1 552 0.11 MB/sec execute 35 sec latency 832.537 ms 1 615 0.16 MB/sec execute 36 sec latency 915.147 ms 1 654 0.16 MB/sec execute 37 sec latency 185.798 ms oleg219-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 678 0.16 MB/sec execute 38 sec latency 148.961 ms 1 699 0.16 MB/sec execute 39 sec latency 203.362 ms 1 721 0.15 MB/sec execute 40 sec latency 231.729 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.15 MB/sec execute 41 sec latency 182.723 ms 1 770 0.15 MB/sec execute 42 sec latency 165.560 ms 1 794 0.15 MB/sec execute 43 sec latency 167.332 ms 1 827 0.14 MB/sec execute 44 sec latency 101.775 ms 1 873 0.14 MB/sec execute 45 sec latency 103.145 ms 1 892 0.14 MB/sec execute 46 sec latency 184.071 ms 1 918 0.14 MB/sec execute 47 sec latency 123.161 ms 1 940 0.14 MB/sec execute 48 sec latency 144.344 ms 1 967 0.14 MB/sec execute 49 sec latency 201.769 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2084 1269220 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1896 1269408 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 42548 3562012 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10528 3591908 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53076 7153920 1% /mnt/lustre 1 981 0.14 MB/sec execute 50 sec latency 212.483 ms 1 1028 0.15 MB/sec execute 51 sec latency 129.557 ms 1 1063 0.15 MB/sec execute 52 sec latency 158.875 ms 1 1102 0.15 MB/sec execute 53 sec latency 110.856 ms 1 1129 0.15 MB/sec execute 54 sec latency 117.528 ms 1 1158 0.14 MB/sec execute 55 sec latency 149.727 ms 1 1172 0.14 MB/sec execute 56 sec latency 539.609 ms 1 1173 0.14 MB/sec execute 57 sec latency 1346.686 ms 1 1193 0.14 MB/sec execute 58 sec latency 285.601 ms 1 1225 0.13 MB/sec execute 59 sec latency 150.227 ms 1 1257 0.13 MB/sec execute 60 sec latency 112.888 ms 1 1277 0.13 MB/sec execute 61 sec latency 224.492 ms 1 1396 0.17 MB/sec execute 62 sec latency 101.554 ms 1 1421 0.17 MB/sec execute 63 sec latency 159.465 ms 1 1462 0.17 MB/sec execute 64 sec latency 102.152 ms test_26 fail mds2 2 times 1 1492 0.17 MB/sec execute 65 sec latency 162.946 ms 1 1509 0.16 MB/sec execute 66 sec latency 146.718 ms 1 1538 0.16 MB/sec execute 67 sec latency 224.449 ms Failing mds2 on oleg219-server 1 1568 0.16 MB/sec execute 68 sec latency 137.580 ms Stopping /mnt/lustre-mds2 (opts:) on oleg219-server 1 1603 0.16 MB/sec execute 69 sec latency 165.752 ms 1 1634 0.16 MB/sec execute 70 sec latency 144.827 ms 1 1660 0.16 MB/sec execute 71 sec latency 198.750 ms 1 1691 0.15 MB/sec execute 72 sec latency 209.439 ms 1 1721 0.15 MB/sec execute 73 sec latency 143.577 ms 1 1770 0.15 MB/sec execute 74 sec latency 199.597 ms 04:18:25 (1789114705) shut down facet: mds2 facet_host: oleg219-server facet_failover_host: oleg219-server 1 1810 0.15 MB/sec execute 75 sec latency 112.607 ms 1 1877 0.15 MB/sec execute 76 sec latency 168.791 ms 1 1965 0.15 MB/sec execute 77 sec latency 83.090 ms 1 2024 0.15 MB/sec execute 78 sec latency 85.861 ms 1 2108 0.15 MB/sec execute 79 sec latency 85.164 ms 1 2170 0.14 MB/sec execute 80 sec latency 71.060 ms 1 2243 0.14 MB/sec execute 81 sec latency 92.081 ms 1 2259 0.14 MB/sec execute 82 sec latency 848.588 ms 1 2259 0.14 MB/sec execute 83 sec latency 1849.542 ms 1 2259 0.14 MB/sec execute 84 sec latency 2849.823 ms Failover mds2 to oleg219-server 1 2259 0.14 MB/sec execute 85 sec latency 3850.074 ms mount facets: mds2 1 2259 0.14 MB/sec execute 86 sec latency 4850.454 ms 1 2259 0.13 MB/sec execute 87 sec latency 5851.023 ms 1 2259 0.13 MB/sec execute 88 sec latency 6855.558 ms 1 2259 0.13 MB/sec execute 89 sec latency 7855.823 ms 1 2259 0.13 MB/sec execute 90 sec latency 8856.064 ms 1 2259 0.13 MB/sec execute 91 sec latency 9856.407 ms 1 2259 0.13 MB/sec execute 92 sec latency 10861.432 ms 1 2259 0.12 MB/sec execute 93 sec latency 11861.989 ms 1 2259 0.12 MB/sec execute 94 sec latency 12862.854 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 95 sec latency 13867.978 ms 1 2259 0.12 MB/sec execute 96 sec latency 14869.733 ms 1 2259 0.12 MB/sec execute 97 sec latency 15870.006 ms 1 2259 0.12 MB/sec execute 98 sec latency 16870.415 ms 1 2259 0.12 MB/sec execute 99 sec latency 17870.897 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg219-server: oleg219-server.virtnet: executing set_default_debug -1 all 1 cleanup 102 sec pdsh@oleg219-client: oleg219-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 04:18:54 (1789114734) targets are mounted 04:18:54 (1789114734) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 110 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 254.575 37106.728 Close 285 14.968 67.950 Rename 11 130.333 212.456 Unlink 30 36.936 81.737 Qpathinfo 295 18.438 158.760 Qfileinfo 78 3.248 23.605 Qfsinfo 33 5.985 30.851 Sfileinfo 34 87.032 184.054 Find 92 15.639 66.389 WriteX 266 16.433 104.150 ReadX 348 3.476 140.183 Flush 30 80.715 171.153 Throughput 0.117384 MB/sec 1 clients 1 procs max_latency=37106.750 ms stopping dbench on /mnt/lustre at Fri Sep 11 04:19:00 EDT 2026 with return code 0 oleg219-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 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 Fri Sep 11 04:19:10 EDT 2026 waiting for dbench pid 67194 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 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44788 3559788 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1848 3605116 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164904 1% /mnt/lustre 0 10 0.00 MB/sec warmup 1 sec latency 2.889 ms 1 64 1.37 MB/sec warmup 2 sec latency 101.586 ms 1 111 1.74 MB/sec warmup 3 sec latency 139.726 ms 1 137 1.50 MB/sec warmup 4 sec latency 202.479 ms 1 165 1.35 MB/sec warmup 5 sec latency 164.181 ms 1 184 1.23 MB/sec warmup 6 sec latency 329.858 ms 1 223 1.23 MB/sec warmup 7 sec latency 337.613 ms 1 258 1.20 MB/sec warmup 8 sec latency 132.511 ms 1 297 1.21 MB/sec warmup 9 sec latency 167.854 ms 1 328 1.18 MB/sec warmup 10 sec latency 166.830 ms test_26 fail mds1 3 times 1 349 1.14 MB/sec warmup 11 sec latency 232.310 ms 1 380 1.13 MB/sec warmup 12 sec latency 323.960 ms 1 406 1.10 MB/sec warmup 13 sec latency 154.895 ms Failing mds1 on oleg219-server 1 439 1.10 MB/sec warmup 14 sec latency 156.127 ms Stopping /mnt/lustre-mds1 (opts:) on oleg219-server 1 485 1.13 MB/sec warmup 15 sec latency 91.291 ms 1 519 1.12 MB/sec warmup 16 sec latency 178.226 ms 1 606 1.23 MB/sec warmup 17 sec latency 266.273 ms 1 606 1.16 MB/sec warmup 18 sec latency 1267.208 ms 1 606 1.10 MB/sec warmup 19 sec latency 2268.903 ms 1 606 0.00 MB/sec execute 1 sec latency 4270.521 ms 1 606 0.00 MB/sec execute 2 sec latency 5270.684 ms 1 606 0.00 MB/sec execute 3 sec latency 6274.118 ms 04:19:34 (1789114774) shut down facet: mds1 facet_host: oleg219-server facet_failover_host: oleg219-server 1 606 0.00 MB/sec execute 4 sec latency 7274.349 ms 1 606 0.00 MB/sec execute 5 sec latency 8274.594 ms 1 606 0.00 MB/sec execute 6 sec latency 9275.173 ms 1 606 0.00 MB/sec execute 7 sec latency 10275.404 ms 1 606 0.00 MB/sec execute 8 sec latency 11276.189 ms 1 606 0.00 MB/sec execute 9 sec latency 12279.688 ms 1 606 0.00 MB/sec execute 10 sec latency 13280.287 ms 1 606 0.00 MB/sec execute 11 sec latency 14280.767 ms 1 606 0.00 MB/sec execute 12 sec latency 15281.095 ms 1 606 0.00 MB/sec execute 13 sec latency 16283.071 ms 1 606 0.00 MB/sec execute 14 sec latency 17284.584 ms Failover mds1 to oleg219-server mount facets: mds1 1 606 0.00 MB/sec execute 15 sec latency 18285.309 ms 1 606 0.00 MB/sec execute 16 sec latency 19289.295 ms 1 606 0.00 MB/sec execute 17 sec latency 20293.094 ms 1 606 0.00 MB/sec execute 18 sec latency 21293.285 ms 1 606 0.00 MB/sec execute 19 sec latency 22293.810 ms 1 606 0.00 MB/sec execute 20 sec latency 23295.581 ms 1 606 0.00 MB/sec execute 21 sec latency 24295.822 ms 1 606 0.00 MB/sec execute 22 sec latency 25296.459 ms 1 606 0.00 MB/sec execute 23 sec latency 26306.227 ms 1 606 0.00 MB/sec execute 24 sec latency 27306.662 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 25 sec latency 28307.270 ms 1 606 0.00 MB/sec execute 26 sec latency 29312.652 ms 1 606 0.00 MB/sec execute 27 sec latency 30313.336 ms 1 606 0.00 MB/sec execute 28 sec latency 31313.637 ms 1 606 0.00 MB/sec execute 29 sec latency 32313.915 ms 1 606 0.00 MB/sec execute 30 sec latency 33314.435 ms 1 606 0.00 MB/sec execute 31 sec latency 34314.692 ms 1 606 0.00 MB/sec execute 32 sec latency 35315.028 ms 1 606 0.00 MB/sec execute 33 sec latency 36315.304 ms 1 606 0.00 MB/sec execute 34 sec latency 37315.578 ms oleg219-server: oleg219-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 35 sec latency 38316.134 ms 1 606 0.00 MB/sec execute 36 sec latency 39316.861 ms pdsh@oleg219-client: oleg219-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 37 sec latency 40317.131 ms Started lustre-MDT0000 04:20:07 (1789114807) targets are mounted 04:20:07 (1789114807) facet_failover done 1 606 0.00 MB/sec execute 38 sec latency 41318.797 ms 1 648 0.00 MB/sec execute 39 sec latency 41482.566 ms 1 676 0.01 MB/sec execute 40 sec latency 190.508 ms 1 709 0.01 MB/sec execute 41 sec latency 143.064 ms 1 731 0.01 MB/sec execute 42 sec latency 171.675 ms oleg219-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 749 0.01 MB/sec execute 43 sec latency 189.080 ms 1 778 0.01 MB/sec execute 44 sec latency 228.731 ms 1 809 0.01 MB/sec execute 45 sec latency 229.914 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.01 MB/sec execute 46 sec latency 163.132 ms 1 884 0.01 MB/sec execute 47 sec latency 111.976 ms 1 885 0.01 MB/sec execute 48 sec latency 1066.331 ms 1 905 0.01 MB/sec execute 49 sec latency 330.858 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 935 0.02 MB/sec execute 50 sec latency 134.826 ms 1 976 0.02 MB/sec execute 51 sec latency 109.645 ms 1 994 0.02 MB/sec execute 52 sec latency 149.719 ms 1 1062 0.04 MB/sec execute 53 sec latency 76.646 ms 1 1103 0.04 MB/sec execute 54 sec latency 143.533 ms 1 1145 0.04 MB/sec execute 55 sec latency 112.863 ms 1 1182 0.04 MB/sec execute 56 sec latency 109.949 ms 1 1215 0.04 MB/sec execute 57 sec latency 113.408 ms 1 1231 0.04 MB/sec execute 58 sec latency 239.066 ms 1 1269 0.04 MB/sec execute 59 sec latency 143.734 ms 1 1401 0.08 MB/sec execute 60 sec latency 74.947 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 04:20:31 EDT 2026 with return code 0 1 1443 0.08 MB/sec execute 61 sec latency 117.994 ms 67194 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67194 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished