== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:36:40 (1789267000) Starting client oleg411-client.virtnet: -o user_xattr,flock 192.168.204.111@tcp:/lustre /mnt/lustre Started clients oleg411-client.virtnet: 192.168.204.111@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 65580 Started dbench loop with 65581 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /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 1964 1269340 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 3584868 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190324 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 Sat Sep 12 22:36:47 EDT 2026 waiting for dbench pid 65659 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 1 19 0.33 MB/sec warmup 1 sec latency 25.371 ms 1 75 1.60 MB/sec warmup 2 sec latency 137.300 ms 1 121 1.83 MB/sec warmup 3 sec latency 171.332 ms 1 151 1.58 MB/sec warmup 4 sec latency 173.161 ms 1 184 1.48 MB/sec warmup 5 sec latency 161.565 ms 1 199 1.31 MB/sec warmup 6 sec latency 552.065 ms 1 231 1.27 MB/sec warmup 7 sec latency 140.705 ms 1 271 1.27 MB/sec warmup 8 sec latency 143.623 ms test_26 fail mds1 1 times 1 305 1.25 MB/sec warmup 9 sec latency 179.345 ms 1 332 1.20 MB/sec warmup 10 sec latency 157.040 ms Failing mds1 on oleg411-server 1 358 1.16 MB/sec warmup 11 sec latency 185.330 ms 1 389 1.15 MB/sec warmup 12 sec latency 165.732 ms Stopping /mnt/lustre-mds1 (opts:) on oleg411-server 1 422 1.14 MB/sec warmup 13 sec latency 141.414 ms 1 437 1.10 MB/sec warmup 14 sec latency 690.232 ms 1 437 1.02 MB/sec warmup 15 sec latency 1691.593 ms 22:37:03 (1789267023) shut down facet: mds1 facet_host: oleg411-server facet_failover_host: oleg411-server 1 437 0.96 MB/sec warmup 16 sec latency 2693.406 ms 1 437 0.90 MB/sec warmup 17 sec latency 3695.156 ms 1 437 0.85 MB/sec warmup 18 sec latency 4695.433 ms 1 437 0.81 MB/sec warmup 19 sec latency 5695.674 ms 1 437 0.00 MB/sec execute 1 sec latency 7696.671 ms 1 437 0.00 MB/sec execute 2 sec latency 8697.020 ms 1 437 0.00 MB/sec execute 3 sec latency 9699.085 ms 1 437 0.00 MB/sec execute 4 sec latency 10699.439 ms 1 437 0.00 MB/sec execute 5 sec latency 11699.731 ms 1 437 0.00 MB/sec execute 6 sec latency 12700.268 ms Failover mds1 to oleg411-server mount facets: mds1 1 437 0.00 MB/sec execute 7 sec latency 13700.576 ms 1 437 0.00 MB/sec execute 8 sec latency 14700.965 ms 1 437 0.00 MB/sec execute 9 sec latency 15702.717 ms 1 437 0.00 MB/sec execute 10 sec latency 16703.714 ms 1 437 0.00 MB/sec execute 11 sec latency 17710.125 ms 1 437 0.00 MB/sec execute 12 sec latency 18714.826 ms 1 437 0.00 MB/sec execute 13 sec latency 19715.266 ms 1 437 0.00 MB/sec execute 14 sec latency 20715.735 ms 1 437 0.00 MB/sec execute 15 sec latency 21716.001 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 437 0.00 MB/sec execute 16 sec latency 22716.191 ms 1 437 0.00 MB/sec execute 17 sec latency 23716.478 ms 1 437 0.00 MB/sec execute 18 sec latency 24716.907 ms 1 437 0.00 MB/sec execute 19 sec latency 25717.405 ms 1 437 0.00 MB/sec execute 20 sec latency 26719.744 ms 1 437 0.00 MB/sec execute 21 sec latency 27719.990 ms 1 437 0.00 MB/sec execute 22 sec latency 28720.254 ms 1 437 0.00 MB/sec execute 23 sec latency 29720.907 ms 1 437 0.00 MB/sec execute 24 sec latency 30721.121 ms 1 437 0.00 MB/sec execute 25 sec latency 31721.349 ms 1 437 0.00 MB/sec execute 26 sec latency 32721.645 ms 1 437 0.00 MB/sec execute 27 sec latency 33722.068 ms 1 437 0.00 MB/sec execute 28 sec latency 34722.541 ms 1 437 0.00 MB/sec execute 29 sec latency 35722.775 ms 1 437 0.00 MB/sec execute 30 sec latency 36724.354 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 437 0.00 MB/sec execute 31 sec latency 37728.168 ms 1 437 0.00 MB/sec execute 32 sec latency 38730.315 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 437 0.00 MB/sec execute 33 sec latency 39732.212 ms Started lustre-MDT0000 22:37:40 (1789267060) targets are mounted 22:37:40 (1789267060) facet_failover done 1 457 0.02 MB/sec execute 34 sec latency 40338.469 ms 1 493 0.05 MB/sec execute 35 sec latency 148.733 ms 1 522 0.07 MB/sec execute 36 sec latency 177.759 ms 1 552 0.10 MB/sec execute 37 sec latency 435.277 ms 1 615 0.15 MB/sec execute 38 sec latency 643.322 ms 1 664 0.15 MB/sec execute 39 sec latency 117.158 ms 1 699 0.15 MB/sec execute 40 sec latency 147.992 ms oleg411-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 726 0.14 MB/sec execute 41 sec latency 133.643 ms 1 749 0.14 MB/sec execute 42 sec latency 143.635 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 779 0.14 MB/sec execute 43 sec latency 150.313 ms 1 806 0.14 MB/sec execute 44 sec latency 109.507 ms 1 848 0.14 MB/sec execute 45 sec latency 179.634 ms 1 880 0.14 MB/sec execute 46 sec latency 133.141 ms 1 910 0.14 MB/sec execute 47 sec latency 180.661 ms 1 936 0.13 MB/sec execute 48 sec latency 133.711 ms 1 977 0.13 MB/sec execute 49 sec latency 90.137 ms 1 1028 0.15 MB/sec execute 50 sec latency 85.552 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2172 1269132 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 18704 3586292 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34868 3567968 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53572 7154260 1% /mnt/lustre 1 1074 0.15 MB/sec execute 51 sec latency 78.492 ms 1 1119 0.15 MB/sec execute 52 sec latency 99.208 ms 1 1155 0.14 MB/sec execute 53 sec latency 133.650 ms 1 1172 0.14 MB/sec execute 54 sec latency 641.647 ms 1 1198 0.14 MB/sec execute 55 sec latency 883.035 ms 1 1239 0.14 MB/sec execute 56 sec latency 88.029 ms 1 1277 0.14 MB/sec execute 57 sec latency 140.586 ms 1 1401 0.18 MB/sec execute 58 sec latency 94.511 ms 1 1435 0.18 MB/sec execute 59 sec latency 124.226 ms 1 1487 0.18 MB/sec execute 60 sec latency 73.695 ms test_26 fail mds2 2 times 1 1519 0.18 MB/sec execute 61 sec latency 113.776 ms 1 1562 0.17 MB/sec execute 62 sec latency 112.455 ms Failing mds2 on oleg411-server 1 1596 0.17 MB/sec execute 63 sec latency 93.450 ms Stopping /mnt/lustre-mds2 (opts:) on oleg411-server 1 1629 0.17 MB/sec execute 64 sec latency 116.601 ms 1 1660 0.17 MB/sec execute 65 sec latency 174.704 ms 1 1717 0.16 MB/sec execute 66 sec latency 105.649 ms 1 1791 0.16 MB/sec execute 67 sec latency 84.684 ms 1 1849 0.16 MB/sec execute 68 sec latency 77.267 ms 1 1905 0.16 MB/sec execute 69 sec latency 87.502 ms 1 1996 0.16 MB/sec execute 70 sec latency 77.108 ms 1 2056 0.16 MB/sec execute 71 sec latency 147.021 ms 1 2117 0.16 MB/sec execute 72 sec latency 104.502 ms 22:38:20 (1789267100) shut down facet: mds2 facet_host: oleg411-server facet_failover_host: oleg411-server 1 2164 0.16 MB/sec execute 73 sec latency 93.286 ms 1 2221 0.15 MB/sec execute 74 sec latency 101.773 ms 1 2259 0.15 MB/sec execute 75 sec latency 625.736 ms 1 2259 0.15 MB/sec execute 76 sec latency 1626.057 ms 1 2259 0.15 MB/sec execute 77 sec latency 2626.446 ms 1 2259 0.15 MB/sec execute 78 sec latency 3626.782 ms 1 2259 0.14 MB/sec execute 79 sec latency 4627.753 ms 1 2259 0.14 MB/sec execute 80 sec latency 5628.543 ms 1 2259 0.14 MB/sec execute 81 sec latency 6634.275 ms 1 2259 0.14 MB/sec execute 82 sec latency 7635.061 ms Failover mds2 to oleg411-server 1 2259 0.14 MB/sec execute 83 sec latency 8637.686 ms mount facets: mds2 1 2259 0.14 MB/sec execute 84 sec latency 9637.924 ms 1 2259 0.13 MB/sec execute 85 sec latency 10638.168 ms 1 2259 0.13 MB/sec execute 86 sec latency 11638.653 ms 1 2259 0.13 MB/sec execute 87 sec latency 12639.240 ms 1 2259 0.13 MB/sec execute 88 sec latency 13642.604 ms 1 2259 0.13 MB/sec execute 89 sec latency 14644.038 ms 1 2259 0.13 MB/sec execute 90 sec latency 15644.403 ms 1 2259 0.13 MB/sec execute 91 sec latency 16645.304 ms 1 2259 0.12 MB/sec execute 92 sec latency 17646.002 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 93 sec latency 18646.412 ms 1 2259 0.12 MB/sec execute 94 sec latency 19649.419 ms 1 2259 0.12 MB/sec execute 95 sec latency 20651.099 ms 1 2259 0.12 MB/sec execute 96 sec latency 21651.961 ms 1 2259 0.12 MB/sec execute 97 sec latency 22652.251 ms 1 2259 0.12 MB/sec execute 98 sec latency 23652.579 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 99 sec latency 24652.911 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0001 22:38:48 (1789267128) targets are mounted 22:38:48 (1789267128) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 328 261.870 40338.447 Close 284 12.354 40.675 Rename 11 100.607 180.636 Unlink 30 27.041 54.024 Qpathinfo 295 15.002 112.954 Qfileinfo 77 2.355 9.276 Qfsinfo 33 6.317 32.983 Sfileinfo 34 60.993 138.818 Find 92 13.237 69.623 WriteX 261 13.861 67.335 ReadX 348 3.358 179.619 Flush 30 61.645 147.966 Throughput 0.114991 MB/sec 1 clients 1 procs max_latency=40338.469 ms stopping dbench on /mnt/lustre at Sat Sep 12 22:38:51 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 oleg411-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 Sat Sep 12 22:39:00 EDT 2026 waiting for dbench pid 67738 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 11 0.00 MB/sec warmup 1 sec latency 16.222 ms 1 71 1.57 MB/sec warmup 2 sec latency 86.007 ms 1 113 1.74 MB/sec warmup 3 sec latency 214.006 ms 1 137 1.50 MB/sec warmup 4 sec latency 263.057 ms 1 160 1.31 MB/sec warmup 5 sec latency 283.525 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 20316 3586008 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26472 3579188 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46788 7165196 1% /mnt/lustre 1 184 1.23 MB/sec warmup 6 sec latency 243.311 ms 1 199 1.12 MB/sec warmup 7 sec latency 583.110 ms 1 223 1.08 MB/sec warmup 8 sec latency 199.587 ms 1 259 1.08 MB/sec warmup 9 sec latency 143.360 ms 1 289 1.07 MB/sec warmup 10 sec latency 136.373 ms 1 315 1.04 MB/sec warmup 11 sec latency 161.681 ms 1 339 1.02 MB/sec warmup 12 sec latency 441.787 ms 1 342 0.94 MB/sec warmup 13 sec latency 1225.976 ms 1 370 0.94 MB/sec warmup 14 sec latency 172.858 ms 1 397 0.94 MB/sec warmup 15 sec latency 196.773 ms 1 426 0.94 MB/sec warmup 16 sec latency 188.316 ms test_26 fail mds1 3 times 1 453 0.93 MB/sec warmup 17 sec latency 160.386 ms 1 485 0.94 MB/sec warmup 18 sec latency 163.998 ms 1 511 0.93 MB/sec warmup 19 sec latency 240.119 ms Failing mds1 on oleg411-server Stopping /mnt/lustre-mds1 (opts:) on oleg411-server 1 616 1.85 MB/sec execute 1 sec latency 219.858 ms 1 654 0.97 MB/sec execute 2 sec latency 251.800 ms 1 654 0.65 MB/sec execute 3 sec latency 1252.605 ms 1 654 0.49 MB/sec execute 4 sec latency 2253.628 ms 1 654 0.39 MB/sec execute 5 sec latency 3254.630 ms 22:39:26 (1789267166) shut down facet: mds1 facet_host: oleg411-server facet_failover_host: oleg411-server 1 654 0.33 MB/sec execute 6 sec latency 4261.492 ms 1 654 0.28 MB/sec execute 7 sec latency 5271.647 ms 1 654 0.24 MB/sec execute 8 sec latency 6273.219 ms 1 654 0.22 MB/sec execute 9 sec latency 7273.416 ms 1 654 0.20 MB/sec execute 10 sec latency 8273.877 ms 1 654 0.18 MB/sec execute 11 sec latency 9274.115 ms 1 654 0.16 MB/sec execute 12 sec latency 10274.436 ms 1 654 0.15 MB/sec execute 13 sec latency 11274.798 ms 1 654 0.14 MB/sec execute 14 sec latency 12275.719 ms 1 654 0.13 MB/sec execute 15 sec latency 13276.742 ms 1 654 0.12 MB/sec execute 16 sec latency 14276.955 ms Failover mds1 to oleg411-server mount facets: mds1 1 654 0.12 MB/sec execute 17 sec latency 15277.875 ms 1 654 0.11 MB/sec execute 18 sec latency 16278.228 ms 1 654 0.10 MB/sec execute 19 sec latency 17279.440 ms 1 654 0.10 MB/sec execute 20 sec latency 18280.861 ms 1 654 0.09 MB/sec execute 21 sec latency 19281.731 ms 1 654 0.09 MB/sec execute 22 sec latency 20281.980 ms 1 654 0.09 MB/sec execute 23 sec latency 21282.261 ms 1 654 0.08 MB/sec execute 24 sec latency 22282.789 ms 1 654 0.08 MB/sec execute 25 sec latency 23283.427 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 654 0.08 MB/sec execute 26 sec latency 24296.658 ms 1 654 0.07 MB/sec execute 27 sec latency 25296.979 ms 1 654 0.07 MB/sec execute 28 sec latency 26301.949 ms 1 654 0.07 MB/sec execute 29 sec latency 27302.186 ms 1 654 0.07 MB/sec execute 30 sec latency 28302.542 ms 1 654 0.06 MB/sec execute 31 sec latency 29303.530 ms 1 654 0.06 MB/sec execute 32 sec latency 30303.780 ms 1 654 0.06 MB/sec execute 33 sec latency 31304.036 ms 1 654 0.06 MB/sec execute 34 sec latency 32313.990 ms 1 654 0.06 MB/sec execute 35 sec latency 33314.239 ms 1 654 0.05 MB/sec execute 36 sec latency 34314.422 ms 1 654 0.05 MB/sec execute 37 sec latency 35316.095 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 654 0.05 MB/sec execute 38 sec latency 36316.276 ms 1 654 0.05 MB/sec execute 39 sec latency 37318.399 ms 1 654 0.05 MB/sec execute 40 sec latency 38322.015 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 654 0.05 MB/sec execute 41 sec latency 39322.440 ms Started lustre-MDT0000 1 674 0.05 MB/sec execute 42 sec latency 39551.507 ms 22:40:03 (1789267203) targets are mounted 22:40:03 (1789267203) facet_failover done 1 711 0.05 MB/sec execute 43 sec latency 158.567 ms 1 720 0.05 MB/sec execute 44 sec latency 562.764 ms 1 721 0.05 MB/sec execute 45 sec latency 1404.315 ms 1 738 0.05 MB/sec execute 46 sec latency 535.896 ms 1 769 0.05 MB/sec execute 47 sec latency 157.266 ms 1 786 0.05 MB/sec execute 48 sec latency 277.336 ms 1 805 0.05 MB/sec execute 49 sec latency 208.380 ms 1 845 0.05 MB/sec execute 50 sec latency 152.964 ms 1 873 0.05 MB/sec execute 51 sec latency 142.998 ms oleg411-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 892 0.05 MB/sec execute 52 sec latency 149.814 ms 1 914 0.05 MB/sec execute 53 sec latency 178.044 ms 1 940 0.05 MB/sec execute 54 sec latency 132.186 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 967 0.05 MB/sec execute 55 sec latency 207.141 ms 1 983 0.05 MB/sec execute 56 sec latency 184.324 ms 1 1028 0.07 MB/sec execute 57 sec latency 151.974 ms 1 1076 0.07 MB/sec execute 58 sec latency 88.458 ms 1 1127 0.07 MB/sec execute 59 sec latency 113.656 ms 1 1154 0.07 MB/sec execute 60 sec latency 123.387 ms 1 1192 0.06 MB/sec execute 61 sec latency 115.757 ms 1 1227 0.06 MB/sec execute 62 sec latency 81.535 ms 1 1262 0.06 MB/sec execute 63 sec latency 120.991 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1319 0.08 MB/sec execute 64 sec latency 297.143 ms 1 1393 0.11 MB/sec execute 65 sec latency 580.959 ms 1 1426 0.10 MB/sec execute 66 sec latency 151.031 ms 1 1468 0.10 MB/sec execute 67 sec latency 122.375 ms 1 1496 0.10 MB/sec execute 68 sec latency 140.108 ms 1 1528 0.10 MB/sec execute 69 sec latency 144.267 ms 1 1570 0.10 MB/sec execute 70 sec latency 67.740 ms 1 1605 0.10 MB/sec execute 71 sec latency 107.910 ms 1 1643 0.10 MB/sec execute 72 sec latency 155.462 ms 1 1680 0.10 MB/sec execute 73 sec latency 111.070 ms 1 1719 0.10 MB/sec execute 74 sec latency 104.863 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 12 22:40:36 EDT 2026 with return code 0 1 1791 0.10 MB/sec execute 75 sec latency 79.717 ms 67738 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67738 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished