== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:25:59 (1787736359) Starting client oleg637-client.virtnet: -o user_xattr,flock 192.168.206.137@tcp:/lustre /mnt/lustre Started clients oleg637-client.virtnet: 192.168.206.137@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 45135 Started dbench loop with 45136 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 22528 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7494656 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 Wed Aug 26 05:26:04 EDT 2026 waiting for dbench pid 45193 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 14 0.00 MB/sec warmup 1 sec latency 169.465 ms 1 70 1.57 MB/sec warmup 2 sec latency 227.966 ms 1 111 1.74 MB/sec warmup 3 sec latency 197.747 ms 1 137 1.50 MB/sec warmup 4 sec latency 236.882 ms 1 160 1.31 MB/sec warmup 5 sec latency 196.976 ms 1 184 1.23 MB/sec warmup 6 sec latency 201.282 ms test_26 fail mds1 1 times 1 204 1.14 MB/sec warmup 7 sec latency 238.603 ms 1 234 1.11 MB/sec warmup 8 sec latency 206.988 ms Failing mds1 on oleg637-server 1 256 1.07 MB/sec warmup 9 sec latency 262.699 ms 1 279 1.04 MB/sec warmup 10 sec latency 209.446 ms 1 297 0.99 MB/sec warmup 11 sec latency 222.091 ms Stopping /mnt/lustre-mds1 (opts:) on oleg637-server 1 315 0.95 MB/sec warmup 12 sec latency 236.671 ms 1 332 0.92 MB/sec warmup 13 sec latency 321.700 ms 1 341 0.87 MB/sec warmup 14 sec latency 560.130 ms 1 341 0.82 MB/sec warmup 15 sec latency 1560.316 ms 1 341 0.76 MB/sec warmup 16 sec latency 2567.924 ms 1 341 0.72 MB/sec warmup 17 sec latency 3568.407 ms 05:26:22 (1787736382) shut down 1 341 0.68 MB/sec warmup 18 sec latency 4574.149 ms facet: mds1 facet_host: oleg637-server facet_failover_host: oleg637-server 1 341 0.64 MB/sec warmup 19 sec latency 5575.844 ms 1 341 0.00 MB/sec execute 1 sec latency 7576.182 ms 1 341 0.00 MB/sec execute 2 sec latency 8576.392 ms 1 341 0.00 MB/sec execute 3 sec latency 9576.587 ms 1 341 0.00 MB/sec execute 4 sec latency 10578.696 ms 1 341 0.00 MB/sec execute 5 sec latency 11578.917 ms 1 341 0.00 MB/sec execute 6 sec latency 12580.811 ms 1 341 0.00 MB/sec execute 7 sec latency 13581.008 ms 1 341 0.00 MB/sec execute 8 sec latency 14581.307 ms Failover mds1 to oleg637-server mount facets: mds1 1 341 0.00 MB/sec execute 9 sec latency 15582.581 ms 1 341 0.00 MB/sec execute 10 sec latency 16583.713 ms 1 341 0.00 MB/sec execute 11 sec latency 17587.107 ms 1 341 0.00 MB/sec execute 12 sec latency 18588.798 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 341 0.00 MB/sec execute 13 sec latency 19590.494 ms 1 341 0.00 MB/sec execute 14 sec latency 20591.268 ms 1 341 0.00 MB/sec execute 15 sec latency 21591.458 ms 1 341 0.00 MB/sec execute 16 sec latency 22592.007 ms 1 341 0.00 MB/sec execute 17 sec latency 23592.209 ms 1 341 0.00 MB/sec execute 18 sec latency 24592.416 ms 1 341 0.00 MB/sec execute 19 sec latency 25592.610 ms 1 341 0.00 MB/sec execute 20 sec latency 26592.812 ms 1 341 0.00 MB/sec execute 21 sec latency 27594.613 ms 1 341 0.00 MB/sec execute 22 sec latency 28595.852 ms 1 341 0.00 MB/sec execute 23 sec latency 29599.994 ms 1 341 0.00 MB/sec execute 24 sec latency 30600.173 ms 1 341 0.00 MB/sec execute 25 sec latency 31600.864 ms 1 341 0.00 MB/sec execute 26 sec latency 32602.590 ms 1 341 0.00 MB/sec execute 27 sec latency 33603.254 ms oleg637-server: oleg637-server.virtnet: executing set_default_debug -1 all 1 341 0.00 MB/sec execute 28 sec latency 34603.565 ms pdsh@oleg637-client: oleg637-server: ssh exited with exit code 1 1 341 0.00 MB/sec execute 29 sec latency 35607.219 ms Started lustre-MDT0000 05:26:54 (1787736414) targets are mounted 05:26:54 (1787736414) facet_failover done 1 341 0.00 MB/sec execute 30 sec latency 36610.278 ms 1 341 0.00 MB/sec execute 31 sec latency 37611.278 ms 1 341 0.00 MB/sec execute 32 sec latency 38611.517 ms 1 341 0.00 MB/sec execute 33 sec latency 39612.706 ms 1 341 0.00 MB/sec execute 34 sec latency 40613.612 ms 1 341 0.00 MB/sec execute 35 sec latency 41614.494 ms 1 341 0.00 MB/sec execute 36 sec latency 42617.685 ms 1 341 0.00 MB/sec execute 37 sec latency 43619.111 ms 1 349 0.01 MB/sec execute 38 sec latency 44389.698 ms 1 369 0.02 MB/sec execute 39 sec latency 240.820 ms 1 394 0.04 MB/sec execute 40 sec latency 281.335 ms 1 421 0.06 MB/sec execute 41 sec latency 219.381 ms 1 453 0.09 MB/sec execute 42 sec latency 151.773 ms 1 477 0.10 MB/sec execute 43 sec latency 189.886 ms 1 493 0.11 MB/sec execute 44 sec latency 246.503 ms oleg637-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.12 MB/sec execute 45 sec latency 282.384 ms 1 523 0.13 MB/sec execute 46 sec latency 322.084 ms 1 593 0.18 MB/sec execute 47 sec latency 154.385 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 616 0.18 MB/sec execute 48 sec latency 217.095 ms 1 649 0.18 MB/sec execute 49 sec latency 178.142 ms 1 671 0.18 MB/sec execute 50 sec latency 225.926 ms 1 697 0.17 MB/sec execute 51 sec latency 152.018 ms 1 721 0.17 MB/sec execute 52 sec latency 201.596 ms 1 733 0.17 MB/sec execute 53 sec latency 378.475 ms 1 765 0.17 MB/sec execute 54 sec latency 150.578 ms 1 789 0.17 MB/sec execute 55 sec latency 170.787 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3696640 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3717120 2% /mnt/lustre[OST:1] 1 801 0.16 MB/sec execute 56 sec latency 410.676 ms filesystem_summary: 7542784 50176 7413760 1% /mnt/lustre 1 821 0.16 MB/sec execute 57 sec latency 155.531 ms 1 864 0.16 MB/sec execute 58 sec latency 134.355 ms 1 876 0.16 MB/sec execute 59 sec latency 456.124 ms 1 898 0.16 MB/sec execute 60 sec latency 233.836 ms 1 914 0.16 MB/sec execute 61 sec latency 337.467 ms 1 935 0.15 MB/sec execute 62 sec latency 226.186 ms 1 968 0.15 MB/sec execute 63 sec latency 163.198 ms 1 988 0.15 MB/sec execute 64 sec latency 251.253 ms test_26 fail mds1 2 times 1 1037 0.16 MB/sec execute 65 sec latency 196.395 ms 1 1062 0.16 MB/sec execute 66 sec latency 156.054 ms 1 1084 0.16 MB/sec execute 67 sec latency 161.230 ms Failing mds1 on oleg637-server 1 1124 0.16 MB/sec execute 68 sec latency 139.636 ms Stopping /mnt/lustre-mds1 (opts:) on oleg637-server 1 1147 0.16 MB/sec execute 69 sec latency 119.440 ms 1 1177 0.15 MB/sec execute 70 sec latency 206.681 ms 1 1188 0.15 MB/sec execute 71 sec latency 682.476 ms 1 1188 0.15 MB/sec execute 72 sec latency 1682.674 ms 05:27:37 (1787736457) shut down facet: mds1 facet_host: oleg637-server facet_failover_host: oleg637-server 1 1188 0.15 MB/sec execute 73 sec latency 2684.620 ms 1 1188 0.15 MB/sec execute 74 sec latency 3684.813 ms 1 1188 0.14 MB/sec execute 75 sec latency 4684.992 ms 1 1188 0.14 MB/sec execute 76 sec latency 5685.562 ms 1 1188 0.14 MB/sec execute 77 sec latency 6685.788 ms 1 1188 0.14 MB/sec execute 78 sec latency 7686.064 ms 1 1188 0.14 MB/sec execute 79 sec latency 8693.474 ms 1 1188 0.13 MB/sec execute 80 sec latency 9693.697 ms 1 1188 0.13 MB/sec execute 81 sec latency 10693.931 ms 1 1188 0.13 MB/sec execute 82 sec latency 11694.142 ms Failover mds1 to oleg637-server mount facets: mds1 1 1188 0.13 MB/sec execute 83 sec latency 12694.307 ms 1 1188 0.13 MB/sec execute 84 sec latency 13694.527 ms 1 1188 0.13 MB/sec execute 85 sec latency 14694.810 ms 1 1188 0.13 MB/sec execute 86 sec latency 15695.029 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.12 MB/sec execute 87 sec latency 16695.762 ms 1 1188 0.12 MB/sec execute 88 sec latency 17695.982 ms 1 1188 0.12 MB/sec execute 89 sec latency 18696.215 ms 1 1188 0.12 MB/sec execute 90 sec latency 19698.607 ms 1 1188 0.12 MB/sec execute 91 sec latency 20699.234 ms 1 1188 0.12 MB/sec execute 92 sec latency 21700.753 ms 1 1188 0.12 MB/sec execute 93 sec latency 22714.676 ms oleg637-server: oleg637-server.virtnet: executing set_default_debug -1 all 1 1202 0.11 MB/sec execute 94 sec latency 23037.290 ms 1 1242 0.11 MB/sec execute 95 sec latency 115.730 ms pdsh@oleg637-client: oleg637-server: ssh exited with exit code 1 1 1270 0.11 MB/sec execute 96 sec latency 149.211 ms Started lustre-MDT0000 05:28:01 (1787736481) targets are mounted 05:28:01 (1787736481) facet_failover done 1 1387 0.14 MB/sec execute 97 sec latency 367.060 ms 1 1444 0.14 MB/sec execute 98 sec latency 61.070 ms 1 1479 0.14 MB/sec execute 99 sec latency 105.608 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg637-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 175 343.663 44389.678 Close 149 172.132 23037.257 Rename 10 131.465 206.611 Unlink 19 38.862 62.734 Qpathinfo 114 31.659 196.359 Qfileinfo 61 3.338 22.943 Qfsinfo 33 7.523 59.424 Sfileinfo 34 81.879 173.042 Find 52 12.414 216.900 WriteX 266 19.491 123.963 ReadX 234 3.923 167.620 Flush 25 188.984 456.109 Throughput 0.138869 MB/sec 1 clients 1 procs max_latency=44389.698 ms stopping dbench on /mnt/lustre at Wed Aug 26 05:28:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-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 Wed Aug 26 05:28:15 EDT 2026 waiting for dbench pid 47192 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 31 1.04 MB/sec warmup 1 sec latency 77.296 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 13312 3753984 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3684352 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7438336 1% /mnt/lustre 1 71 1.57 MB/sec warmup 2 sec latency 177.901 ms 1 113 1.74 MB/sec warmup 3 sec latency 255.607 ms 1 143 1.52 MB/sec warmup 4 sec latency 178.432 ms 1 171 1.40 MB/sec warmup 5 sec latency 193.717 ms 1 197 1.30 MB/sec warmup 6 sec latency 159.483 ms 1 222 1.23 MB/sec warmup 7 sec latency 238.052 ms 1 255 1.21 MB/sec warmup 8 sec latency 134.994 ms 1 313 1.27 MB/sec warmup 9 sec latency 94.399 ms test_26 fail mds1 3 times 1 364 1.30 MB/sec warmup 10 sec latency 106.065 ms 1 398 1.28 MB/sec warmup 11 sec latency 129.577 ms Failing mds1 on oleg637-server 1 429 1.26 MB/sec warmup 12 sec latency 143.432 ms Stopping /mnt/lustre-mds1 (opts:) on oleg637-server 1 469 1.26 MB/sec warmup 13 sec latency 158.449 ms 1 500 1.25 MB/sec warmup 14 sec latency 185.370 ms 1 500 1.16 MB/sec warmup 15 sec latency 1139.940 ms 1 500 1.09 MB/sec warmup 16 sec latency 2141.523 ms 05:28:32 (1787736512) shut down facet: mds1 facet_host: oleg637-server facet_failover_host: oleg637-server 1 500 1.03 MB/sec warmup 17 sec latency 3142.295 ms 1 500 0.97 MB/sec warmup 18 sec latency 4144.477 ms 1 500 0.92 MB/sec warmup 19 sec latency 5144.746 ms 1 500 0.00 MB/sec execute 1 sec latency 7148.124 ms 1 500 0.00 MB/sec execute 2 sec latency 8148.425 ms 1 500 0.00 MB/sec execute 3 sec latency 9148.760 ms 1 500 0.00 MB/sec execute 4 sec latency 10149.020 ms 1 500 0.00 MB/sec execute 5 sec latency 11149.887 ms 1 500 0.00 MB/sec execute 6 sec latency 12150.031 ms 1 500 0.00 MB/sec execute 7 sec latency 13152.182 ms Failover mds1 to oleg637-server mount facets: mds1 1 500 0.00 MB/sec execute 8 sec latency 14152.674 ms 1 500 0.00 MB/sec execute 9 sec latency 15157.506 ms 1 500 0.00 MB/sec execute 10 sec latency 16157.863 ms 1 500 0.00 MB/sec execute 11 sec latency 17158.054 ms 1 500 0.00 MB/sec execute 12 sec latency 18158.245 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 500 0.00 MB/sec execute 13 sec latency 19158.442 ms 1 500 0.00 MB/sec execute 14 sec latency 20158.798 ms 1 500 0.00 MB/sec execute 15 sec latency 21162.263 ms 1 500 0.00 MB/sec execute 16 sec latency 22162.477 ms 1 500 0.00 MB/sec execute 17 sec latency 23164.137 ms 1 500 0.00 MB/sec execute 18 sec latency 24164.403 ms 1 500 0.00 MB/sec execute 19 sec latency 25165.055 ms 1 500 0.00 MB/sec execute 20 sec latency 26165.269 ms oleg637-server: oleg637-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 21 sec latency 27165.504 ms pdsh@oleg637-client: oleg637-server: ssh exited with exit code 1 1 500 0.00 MB/sec execute 22 sec latency 28165.725 ms Started lustre-MDT0000 05:28:58 (1787736538) targets are mounted 05:28:58 (1787736538) facet_failover done 1 500 0.00 MB/sec execute 23 sec latency 29165.902 ms 1 500 0.00 MB/sec execute 24 sec latency 30167.453 ms 1 500 0.00 MB/sec execute 25 sec latency 31167.692 ms 1 500 0.00 MB/sec execute 26 sec latency 32167.875 ms 1 500 0.00 MB/sec execute 27 sec latency 33168.347 ms 1 500 0.00 MB/sec execute 28 sec latency 34168.916 ms 1 500 0.00 MB/sec execute 29 sec latency 35169.264 ms 1 500 0.00 MB/sec execute 30 sec latency 36169.477 ms 1 500 0.00 MB/sec execute 31 sec latency 37170.278 ms 1 500 0.00 MB/sec execute 32 sec latency 38170.872 ms 1 500 0.00 MB/sec execute 33 sec latency 39171.117 ms 1 500 0.00 MB/sec execute 34 sec latency 40175.180 ms 1 501 0.00 MB/sec execute 35 sec latency 41064.995 ms 1 525 0.02 MB/sec execute 36 sec latency 353.167 ms 1 597 0.09 MB/sec execute 37 sec latency 152.146 ms 1 649 0.09 MB/sec execute 38 sec latency 129.396 ms 1 669 0.09 MB/sec execute 39 sec latency 412.953 ms 1 695 0.09 MB/sec execute 40 sec latency 150.434 ms 1 718 0.09 MB/sec execute 41 sec latency 234.609 ms 1 730 0.09 MB/sec execute 42 sec latency 322.069 ms oleg637-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 764 0.09 MB/sec execute 43 sec latency 133.715 ms 1 786 0.09 MB/sec execute 44 sec latency 151.850 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 803 0.09 MB/sec execute 45 sec latency 270.451 ms 1 851 0.09 MB/sec execute 46 sec latency 129.266 ms 1 876 0.09 MB/sec execute 47 sec latency 331.418 ms 1 903 0.09 MB/sec execute 48 sec latency 128.742 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 932 0.09 MB/sec execute 49 sec latency 216.630 ms 1 974 0.09 MB/sec execute 50 sec latency 107.807 ms 1 1009 0.10 MB/sec execute 51 sec latency 276.345 ms 1 1082 0.10 MB/sec execute 52 sec latency 72.814 ms 1 1139 0.10 MB/sec execute 53 sec latency 88.567 ms 1 1192 0.10 MB/sec execute 54 sec latency 95.376 ms 1 1235 0.10 MB/sec execute 55 sec latency 80.552 ms 1 1268 0.10 MB/sec execute 56 sec latency 245.891 ms 1 1396 0.15 MB/sec execute 57 sec latency 87.109 ms 1 1445 0.15 MB/sec execute 58 sec latency 80.556 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 26 05:29:33 EDT 2026 with return code 0 47192 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47192 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished