== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:43:11 (1788752591) Starting client oleg216-client.virtnet: -o user_xattr,flock 192.168.202.116@tcp:/lustre /mnt/lustre Started clients oleg216-client.virtnet: 192.168.202.116@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 65634 Started dbench loop with 65635 striped dir -i0 -c2 -H all_char /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 1928 1269376 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1720 1269584 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7210932 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 Sun Sep 6 23:43:23 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 5 0.00 MB/sec warmup 1 sec latency 167.968 ms 1 24 0.33 MB/sec warmup 2 sec latency 36.456 ms 1 51 0.70 MB/sec warmup 3 sec latency 149.337 ms 1 72 0.79 MB/sec warmup 4 sec latency 239.755 ms 1 111 1.05 MB/sec warmup 5 sec latency 145.831 ms 1 122 0.92 MB/sec warmup 6 sec latency 390.967 ms 1 139 0.86 MB/sec warmup 7 sec latency 391.237 ms 1 155 0.82 MB/sec warmup 8 sec latency 378.578 ms 1 173 0.78 MB/sec warmup 9 sec latency 394.461 ms 1 184 0.74 MB/sec warmup 10 sec latency 542.715 ms test_26 fail mds1 1 times 1 197 0.71 MB/sec warmup 11 sec latency 905.266 ms 1 210 0.67 MB/sec warmup 12 sec latency 313.266 ms 1 230 0.68 MB/sec warmup 13 sec latency 266.373 ms 1 254 0.69 MB/sec warmup 14 sec latency 262.654 ms Failing mds1 on oleg216-server 1 271 0.68 MB/sec warmup 15 sec latency 332.520 ms 1 293 0.67 MB/sec warmup 16 sec latency 251.975 ms Stopping /mnt/lustre-mds1 (opts:) on oleg216-server 1 316 0.67 MB/sec warmup 17 sec latency 202.975 ms 1 339 0.68 MB/sec warmup 18 sec latency 310.079 ms 1 339 0.64 MB/sec warmup 19 sec latency 1151.786 ms 1 339 0.00 MB/sec execute 1 sec latency 3152.550 ms 23:43:45 (1788752625) shut down facet: mds1 facet_host: oleg216-server facet_failover_host: oleg216-server 1 339 0.00 MB/sec execute 2 sec latency 4153.879 ms 1 339 0.00 MB/sec execute 3 sec latency 5154.090 ms 1 339 0.00 MB/sec execute 4 sec latency 6154.390 ms 1 339 0.00 MB/sec execute 5 sec latency 7154.649 ms 1 339 0.00 MB/sec execute 6 sec latency 8155.264 ms 1 339 0.00 MB/sec execute 7 sec latency 9155.444 ms 1 339 0.00 MB/sec execute 8 sec latency 10156.686 ms 1 339 0.00 MB/sec execute 9 sec latency 11157.037 ms 1 339 0.00 MB/sec execute 10 sec latency 12157.409 ms 1 339 0.00 MB/sec execute 11 sec latency 13157.630 ms 1 339 0.00 MB/sec execute 12 sec latency 14159.592 ms Failover mds1 to oleg216-server mount facets: mds1 1 339 0.00 MB/sec execute 13 sec latency 15162.094 ms 1 339 0.00 MB/sec execute 14 sec latency 16162.446 ms 1 339 0.00 MB/sec execute 15 sec latency 17163.004 ms 1 339 0.00 MB/sec execute 16 sec latency 18163.746 ms 1 339 0.00 MB/sec execute 17 sec latency 19163.907 ms 1 339 0.00 MB/sec execute 18 sec latency 20166.888 ms 1 339 0.00 MB/sec execute 19 sec latency 21172.690 ms 1 339 0.00 MB/sec execute 20 sec latency 22173.037 ms 1 339 0.00 MB/sec execute 21 sec latency 23173.361 ms 1 339 0.00 MB/sec execute 22 sec latency 24176.395 ms 1 339 0.00 MB/sec execute 23 sec latency 25179.268 ms 1 339 0.00 MB/sec execute 24 sec latency 26179.681 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 25 sec latency 27180.564 ms 1 339 0.00 MB/sec execute 26 sec latency 28182.281 ms 1 339 0.00 MB/sec execute 27 sec latency 29182.608 ms 1 339 0.00 MB/sec execute 28 sec latency 30183.153 ms 1 339 0.00 MB/sec execute 29 sec latency 31183.534 ms 1 339 0.00 MB/sec execute 30 sec latency 32196.078 ms 1 339 0.00 MB/sec execute 31 sec latency 33198.991 ms 1 339 0.00 MB/sec execute 32 sec latency 34199.519 ms 1 339 0.00 MB/sec execute 33 sec latency 35204.675 ms 1 339 0.00 MB/sec execute 34 sec latency 36205.407 ms 1 339 0.00 MB/sec execute 35 sec latency 37209.721 ms oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 36 sec latency 38209.932 ms 1 348 0.01 MB/sec execute 37 sec latency 38960.275 ms pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 369 0.02 MB/sec execute 38 sec latency 245.801 ms Started lustre-MDT0000 23:44:22 (1788752662) targets are mounted 23:44:22 (1788752662) facet_failover done 1 387 0.04 MB/sec execute 39 sec latency 516.044 ms 1 421 0.06 MB/sec execute 40 sec latency 145.557 ms 1 458 0.09 MB/sec execute 41 sec latency 216.924 ms 1 488 0.11 MB/sec execute 42 sec latency 139.774 ms 1 510 0.13 MB/sec execute 43 sec latency 195.519 ms 1 542 0.16 MB/sec execute 44 sec latency 164.562 ms 1 594 0.19 MB/sec execute 45 sec latency 175.470 ms 1 636 0.19 MB/sec execute 46 sec latency 179.120 ms 1 658 0.19 MB/sec execute 47 sec latency 170.308 ms oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 689 0.19 MB/sec execute 48 sec latency 162.290 ms 1 710 0.18 MB/sec execute 49 sec latency 169.460 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 730 0.18 MB/sec execute 50 sec latency 207.872 ms 1 746 0.18 MB/sec execute 51 sec latency 204.496 ms 1 776 0.17 MB/sec execute 52 sec latency 170.466 ms 1 798 0.17 MB/sec execute 53 sec latency 185.397 ms 1 821 0.17 MB/sec execute 54 sec latency 150.556 ms 1 863 0.17 MB/sec execute 55 sec latency 151.651 ms 1 885 0.17 MB/sec execute 56 sec latency 164.406 ms 1 910 0.17 MB/sec execute 57 sec latency 138.510 ms 1 943 0.16 MB/sec execute 58 sec latency 98.252 ms 1 970 0.16 MB/sec execute 59 sec latency 131.790 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 42876 3556680 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 8848 3593300 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51724 7149980 1% /mnt/lustre 1 990 0.16 MB/sec execute 60 sec latency 175.950 ms 1 1035 0.17 MB/sec execute 61 sec latency 488.276 ms 1 1037 0.17 MB/sec execute 62 sec latency 1448.984 ms 1 1076 0.17 MB/sec execute 63 sec latency 97.747 ms 1 1124 0.17 MB/sec execute 64 sec latency 110.091 ms 1 1147 0.16 MB/sec execute 65 sec latency 141.966 ms 1 1193 0.16 MB/sec execute 66 sec latency 144.086 ms 1 1231 0.16 MB/sec execute 67 sec latency 131.637 ms 1 1263 0.16 MB/sec execute 68 sec latency 134.386 ms 1 1396 0.20 MB/sec execute 69 sec latency 132.727 ms 1 1441 0.20 MB/sec execute 70 sec latency 84.691 ms test_26 fail mds2 2 times 1 1473 0.19 MB/sec execute 71 sec latency 187.436 ms 1 1504 0.19 MB/sec execute 72 sec latency 108.699 ms Failing mds2 on oleg216-server 1 1549 0.19 MB/sec execute 73 sec latency 137.036 ms Stopping /mnt/lustre-mds2 (opts:) on oleg216-server 1 1593 0.19 MB/sec execute 74 sec latency 97.384 ms 1 1647 0.19 MB/sec execute 75 sec latency 126.695 ms 1 1689 0.18 MB/sec execute 76 sec latency 133.177 ms 23:45:01 (1788752701) shut down 1 1764 0.18 MB/sec execute 77 sec latency 177.550 ms facet: mds2 facet_host: oleg216-server facet_failover_host: oleg216-server 1 1825 0.18 MB/sec execute 78 sec latency 94.087 ms 1 1870 0.18 MB/sec execute 79 sec latency 122.174 ms 1 1978 0.18 MB/sec execute 80 sec latency 50.795 ms 1 2020 0.18 MB/sec execute 81 sec latency 88.397 ms 1 2115 0.18 MB/sec execute 82 sec latency 74.063 ms 1 2168 0.17 MB/sec execute 83 sec latency 125.589 ms 1 2226 0.17 MB/sec execute 84 sec latency 148.142 ms 1 2259 0.17 MB/sec execute 85 sec latency 613.918 ms 1 2259 0.17 MB/sec execute 86 sec latency 1614.135 ms 1 2259 0.17 MB/sec execute 87 sec latency 2620.310 ms Failover mds2 to oleg216-server mount facets: mds2 1 2259 0.16 MB/sec execute 88 sec latency 3620.507 ms 1 2259 0.16 MB/sec execute 89 sec latency 4620.784 ms 1 2259 0.16 MB/sec execute 90 sec latency 5621.026 ms 1 2259 0.16 MB/sec execute 91 sec latency 6621.250 ms 1 2259 0.16 MB/sec execute 92 sec latency 7629.322 ms 1 2259 0.16 MB/sec execute 93 sec latency 8630.362 ms 1 2259 0.15 MB/sec execute 94 sec latency 9630.782 ms 1 2259 0.15 MB/sec execute 95 sec latency 10631.630 ms 1 2259 0.15 MB/sec execute 96 sec latency 11638.772 ms 1 2259 0.15 MB/sec execute 97 sec latency 12639.248 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 98 sec latency 13640.559 ms 1 2259 0.15 MB/sec execute 99 sec latency 14641.297 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec 1 cleanup 104 sec pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 23:45:29 (1788752729) targets are mounted 23:45:29 (1788752729) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 341 240.931 38960.099 Close 297 12.786 44.608 Rename 11 120.658 207.834 Unlink 30 28.962 59.050 Qpathinfo 295 14.594 105.934 Qfileinfo 89 2.444 13.233 Qfsinfo 33 4.838 27.583 Sfileinfo 34 76.085 204.474 Find 92 13.161 126.100 WriteX 321 17.940 97.169 ReadX 348 2.299 109.756 Flush 30 67.085 152.609 Throughput 0.14637 MB/sec 1 clients 1 procs max_latency=38960.275 ms stopping dbench on /mnt/lustre at Sun Sep 6 23:45:33 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sun Sep 6 23:45:42 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 12 0.00 MB/sec warmup 1 sec latency 54.552 ms 1 71 1.57 MB/sec warmup 2 sec latency 89.498 ms 1 116 1.75 MB/sec warmup 3 sec latency 143.423 ms 1 154 1.63 MB/sec warmup 4 sec latency 118.854 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36576 3568940 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10048 3595952 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46624 7164892 1% /mnt/lustre 1 182 1.46 MB/sec warmup 5 sec latency 173.054 ms 1 197 1.31 MB/sec warmup 6 sec latency 633.923 ms 1 221 1.22 MB/sec warmup 7 sec latency 147.749 ms 1 247 1.17 MB/sec warmup 8 sec latency 181.135 ms 1 286 1.19 MB/sec warmup 9 sec latency 147.236 ms 1 314 1.15 MB/sec warmup 10 sec latency 134.387 ms 1 339 1.11 MB/sec warmup 11 sec latency 261.498 ms 1 339 1.02 MB/sec warmup 12 sec latency 1261.847 ms 1 372 1.02 MB/sec warmup 13 sec latency 1303.401 ms 1 413 1.04 MB/sec warmup 14 sec latency 139.888 ms 1 453 1.06 MB/sec warmup 15 sec latency 127.856 ms test_26 fail mds1 3 times 1 491 1.07 MB/sec warmup 16 sec latency 164.011 ms 1 519 1.05 MB/sec warmup 17 sec latency 152.415 ms Failing mds1 on oleg216-server 1 606 1.16 MB/sec warmup 18 sec latency 109.025 ms Stopping /mnt/lustre-mds1 (opts:) on oleg216-server 1 661 1.11 MB/sec warmup 19 sec latency 115.245 ms 1 664 0.00 MB/sec execute 1 sec latency 1951.705 ms 1 664 0.00 MB/sec execute 2 sec latency 2952.158 ms 1 664 0.00 MB/sec execute 3 sec latency 3952.837 ms 1 664 0.00 MB/sec execute 4 sec latency 4953.914 ms 1 664 0.00 MB/sec execute 5 sec latency 5954.293 ms 1 664 0.00 MB/sec execute 6 sec latency 6956.073 ms 23:46:10 (1788752770) shut down 1 664 0.00 MB/sec execute 7 sec latency 7957.058 ms facet: mds1 facet_host: oleg216-server facet_failover_host: oleg216-server 1 664 0.00 MB/sec execute 8 sec latency 8957.577 ms 1 664 0.00 MB/sec execute 9 sec latency 9959.359 ms 1 664 0.00 MB/sec execute 10 sec latency 10962.743 ms 1 664 0.00 MB/sec execute 11 sec latency 11963.057 ms 1 664 0.00 MB/sec execute 12 sec latency 12963.377 ms 1 664 0.00 MB/sec execute 13 sec latency 13963.605 ms 1 664 0.00 MB/sec execute 14 sec latency 14963.961 ms 1 664 0.00 MB/sec execute 15 sec latency 15964.169 ms 1 664 0.00 MB/sec execute 16 sec latency 16964.366 ms 1 664 0.00 MB/sec execute 17 sec latency 17964.528 ms Failover mds1 to oleg216-server mount facets: mds1 1 664 0.00 MB/sec execute 18 sec latency 18968.567 ms 1 664 0.00 MB/sec execute 19 sec latency 19970.174 ms 1 664 0.00 MB/sec execute 20 sec latency 20970.359 ms 1 664 0.00 MB/sec execute 21 sec latency 21970.749 ms 1 664 0.00 MB/sec execute 22 sec latency 22970.943 ms 1 664 0.00 MB/sec execute 23 sec latency 23971.922 ms 1 664 0.00 MB/sec execute 24 sec latency 24972.150 ms 1 664 0.00 MB/sec execute 25 sec latency 25972.738 ms 1 664 0.00 MB/sec execute 26 sec latency 26973.090 ms 1 664 0.00 MB/sec execute 27 sec latency 27973.278 ms 1 664 0.00 MB/sec execute 28 sec latency 28973.526 ms 1 664 0.00 MB/sec execute 29 sec latency 29973.668 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 664 0.00 MB/sec execute 30 sec latency 30974.025 ms 1 664 0.00 MB/sec execute 31 sec latency 31974.415 ms 1 664 0.00 MB/sec execute 32 sec latency 32974.729 ms 1 664 0.00 MB/sec execute 33 sec latency 33975.079 ms 1 664 0.00 MB/sec execute 34 sec latency 34975.738 ms 1 664 0.00 MB/sec execute 35 sec latency 35976.092 ms 1 664 0.00 MB/sec execute 36 sec latency 36976.623 ms 1 664 0.00 MB/sec execute 37 sec latency 37976.870 ms oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 664 0.00 MB/sec execute 38 sec latency 38977.293 ms pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 664 0.00 MB/sec execute 39 sec latency 39978.334 ms Started lustre-MDT0000 23:46:42 (1788752802) targets are mounted 23:46:42 (1788752802) facet_failover done 1 665 0.00 MB/sec execute 40 sec latency 40971.016 ms 1 699 0.00 MB/sec execute 41 sec latency 151.687 ms 1 720 0.00 MB/sec execute 42 sec latency 332.613 ms 1 721 0.00 MB/sec execute 43 sec latency 1271.755 ms 1 759 0.00 MB/sec execute 44 sec latency 144.247 ms 1 791 0.01 MB/sec execute 45 sec latency 122.240 ms 1 821 0.01 MB/sec execute 46 sec latency 102.182 ms oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 864 0.01 MB/sec execute 47 sec latency 126.738 ms 1 892 0.01 MB/sec execute 48 sec latency 103.274 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 914 0.01 MB/sec execute 49 sec latency 212.625 ms 1 940 0.01 MB/sec execute 50 sec latency 134.587 ms 1 972 0.01 MB/sec execute 51 sec latency 126.683 ms 1 995 0.01 MB/sec execute 52 sec latency 128.843 ms 1 1060 0.03 MB/sec execute 53 sec latency 85.411 ms 1 1117 0.03 MB/sec execute 54 sec latency 138.112 ms 1 1157 0.03 MB/sec execute 55 sec latency 101.265 ms 1 1198 0.03 MB/sec execute 56 sec latency 90.734 ms 1 1236 0.03 MB/sec execute 57 sec latency 90.176 ms 1 1272 0.03 MB/sec execute 58 sec latency 135.587 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1319 0.05 MB/sec execute 59 sec latency 582.481 ms 1 1391 0.08 MB/sec execute 60 sec latency 896.974 ms 1 1421 0.08 MB/sec execute 61 sec latency 181.581 ms 1 1451 0.08 MB/sec execute 62 sec latency 141.949 ms 1 1497 0.08 MB/sec execute 63 sec latency 111.840 ms 1 1534 0.08 MB/sec execute 64 sec latency 89.380 ms 1 1572 0.08 MB/sec execute 65 sec latency 97.437 ms 1 1610 0.08 MB/sec execute 66 sec latency 74.405 ms 1 1651 0.08 MB/sec execute 67 sec latency 129.077 ms 1 1689 0.07 MB/sec execute 68 sec latency 133.684 ms 1 1751 0.07 MB/sec execute 69 sec latency 92.590 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 6 23:47:12 EDT 2026 with return code 0 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