== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:29:07 (1787369347) Starting client oleg629-client.virtnet: -o user_xattr,flock 192.168.206.129@tcp:/lustre /mnt/lustre Started clients oleg629-client.virtnet: 192.168.206.129@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 45182 Started dbench loop with 45183 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 18432 3736576 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7498752 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 Aug 21 23:29:13 EDT 2026 waiting for dbench pid 45252 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 31 1.05 MB/sec warmup 1 sec latency 98.323 ms 1 92 2.09 MB/sec warmup 2 sec latency 139.907 ms 1 129 1.92 MB/sec warmup 3 sec latency 209.944 ms 1 157 1.63 MB/sec warmup 4 sec latency 152.776 ms test_26 fail mds1 1 times 1 202 1.57 MB/sec warmup 5 sec latency 144.764 ms 1 242 1.52 MB/sec warmup 6 sec latency 112.216 ms Failing mds1 on oleg629-server 1 279 1.49 MB/sec warmup 7 sec latency 121.716 ms Stopping /mnt/lustre-mds1 (opts:) on oleg629-server 1 305 1.40 MB/sec warmup 8 sec latency 201.182 ms 1 338 1.36 MB/sec warmup 9 sec latency 172.174 ms 1 338 1.22 MB/sec warmup 10 sec latency 1001.222 ms 1 338 1.11 MB/sec warmup 11 sec latency 2001.589 ms 23:29:25 (1787369365) shut down facet: mds1 facet_host: oleg629-server facet_failover_host: oleg629-server 1 338 1.02 MB/sec warmup 12 sec latency 3004.503 ms 1 338 0.94 MB/sec warmup 13 sec latency 4004.802 ms 1 338 0.87 MB/sec warmup 14 sec latency 5005.122 ms 1 338 0.82 MB/sec warmup 15 sec latency 6005.362 ms 1 338 0.77 MB/sec warmup 16 sec latency 7005.610 ms 1 338 0.72 MB/sec warmup 17 sec latency 8007.732 ms 1 338 0.68 MB/sec warmup 18 sec latency 9008.327 ms 1 338 0.64 MB/sec warmup 19 sec latency 10009.164 ms 1 338 0.00 MB/sec execute 1 sec latency 12009.598 ms 1 338 0.00 MB/sec execute 2 sec latency 13021.862 ms Failover mds1 to oleg629-server mount facets: mds1 1 338 0.00 MB/sec execute 3 sec latency 14022.588 ms 1 338 0.00 MB/sec execute 4 sec latency 15022.912 ms 1 338 0.00 MB/sec execute 5 sec latency 16023.440 ms 1 338 0.00 MB/sec execute 6 sec latency 17024.416 ms 1 338 0.00 MB/sec execute 7 sec latency 18024.747 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 338 0.00 MB/sec execute 8 sec latency 19026.628 ms 1 338 0.00 MB/sec execute 9 sec latency 20026.882 ms 1 338 0.00 MB/sec execute 10 sec latency 21029.215 ms 1 338 0.00 MB/sec execute 11 sec latency 22031.148 ms 1 338 0.00 MB/sec execute 12 sec latency 23032.285 ms 1 338 0.00 MB/sec execute 13 sec latency 24032.463 ms 1 338 0.00 MB/sec execute 14 sec latency 25032.647 ms 1 338 0.00 MB/sec execute 15 sec latency 26033.211 ms 1 338 0.00 MB/sec execute 16 sec latency 27036.362 ms 1 338 0.00 MB/sec execute 17 sec latency 28036.530 ms 1 338 0.00 MB/sec execute 18 sec latency 29036.953 ms 1 338 0.00 MB/sec execute 19 sec latency 30037.161 ms 1 338 0.00 MB/sec execute 20 sec latency 31037.427 ms 1 338 0.00 MB/sec execute 21 sec latency 32037.801 ms 1 338 0.00 MB/sec execute 22 sec latency 33038.403 ms 1 338 0.00 MB/sec execute 23 sec latency 34040.952 ms oleg629-server: oleg629-server.virtnet: executing set_default_debug -1 all 1 338 0.00 MB/sec execute 24 sec latency 35041.481 ms pdsh@oleg629-client: oleg629-server: ssh exited with exit code 1 1 338 0.00 MB/sec execute 25 sec latency 36041.780 ms Started lustre-MDT0000 23:29:59 (1787369399) targets are mounted 23:29:59 (1787369399) facet_failover done 1 338 0.00 MB/sec execute 26 sec latency 37043.276 ms 1 338 0.00 MB/sec execute 27 sec latency 38043.432 ms 1 338 0.00 MB/sec execute 28 sec latency 39043.659 ms 1 349 0.01 MB/sec execute 29 sec latency 39355.324 ms 1 377 0.04 MB/sec execute 30 sec latency 160.446 ms 1 406 0.07 MB/sec execute 31 sec latency 143.483 ms 1 443 0.10 MB/sec execute 32 sec latency 117.059 ms 1 478 0.13 MB/sec execute 33 sec latency 133.667 ms oleg629-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.16 MB/sec execute 34 sec latency 161.669 ms 1 542 0.20 MB/sec execute 35 sec latency 259.739 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 616 0.24 MB/sec execute 36 sec latency 175.394 ms 1 664 0.24 MB/sec execute 37 sec latency 116.865 ms 1 686 0.23 MB/sec execute 38 sec latency 272.572 ms 1 721 0.23 MB/sec execute 39 sec latency 104.407 ms 1 741 0.23 MB/sec execute 40 sec latency 235.303 ms 1 784 0.22 MB/sec execute 41 sec latency 117.120 ms 1 811 0.22 MB/sec execute 42 sec latency 243.050 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 9216 3733504 1% /mnt/lustre[OST:0] 1 865 0.22 MB/sec execute 43 sec latency 83.821 ms lustre-OST0001_UUID 3771392 38912 3696640 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7430144 1% /mnt/lustre 1 892 0.21 MB/sec execute 44 sec latency 276.998 ms 1 914 0.21 MB/sec execute 45 sec latency 351.789 ms 1 940 0.21 MB/sec execute 46 sec latency 156.487 ms 1 971 0.20 MB/sec execute 47 sec latency 116.524 ms 1 1028 0.22 MB/sec execute 48 sec latency 248.270 ms test_26 fail mds1 2 times 1 1080 0.22 MB/sec execute 49 sec latency 107.102 ms 1 1131 0.21 MB/sec execute 50 sec latency 92.377 ms Failing mds1 on oleg629-server 1 1172 0.21 MB/sec execute 51 sec latency 68.584 ms Stopping /mnt/lustre-mds1 (opts:) on oleg629-server 1 1215 0.21 MB/sec execute 52 sec latency 70.488 ms 1 1242 0.20 MB/sec execute 53 sec latency 153.100 ms 1 1243 0.20 MB/sec execute 54 sec latency 987.891 ms 1 1243 0.20 MB/sec execute 55 sec latency 1989.306 ms 23:30:28 (1787369428) shut down facet: mds1 facet_host: oleg629-server facet_failover_host: oleg629-server 1 1243 0.19 MB/sec execute 56 sec latency 2989.509 ms 1 1243 0.19 MB/sec execute 57 sec latency 3989.722 ms 1 1243 0.19 MB/sec execute 58 sec latency 4989.927 ms 1 1243 0.18 MB/sec execute 59 sec latency 5990.800 ms 1 1243 0.18 MB/sec execute 60 sec latency 6991.016 ms 1 1243 0.18 MB/sec execute 61 sec latency 7991.211 ms 1 1243 0.17 MB/sec execute 62 sec latency 8991.911 ms 1 1243 0.17 MB/sec execute 63 sec latency 9995.369 ms 1 1243 0.17 MB/sec execute 64 sec latency 10995.546 ms 1 1243 0.17 MB/sec execute 65 sec latency 11996.220 ms 1 1243 0.16 MB/sec execute 66 sec latency 12998.128 ms Failover mds1 to oleg629-server mount facets: mds1 1 1243 0.16 MB/sec execute 67 sec latency 13998.366 ms 1 1243 0.16 MB/sec execute 68 sec latency 14998.630 ms 1 1243 0.16 MB/sec execute 69 sec latency 15999.217 ms 1 1243 0.15 MB/sec execute 70 sec latency 16999.398 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1243 0.15 MB/sec execute 71 sec latency 18001.000 ms 1 1243 0.15 MB/sec execute 72 sec latency 19001.541 ms 1 1243 0.15 MB/sec execute 73 sec latency 20001.833 ms 1 1243 0.15 MB/sec execute 74 sec latency 21002.934 ms 1 1243 0.14 MB/sec execute 75 sec latency 22003.524 ms 1 1243 0.14 MB/sec execute 76 sec latency 23003.780 ms 1 1243 0.14 MB/sec execute 77 sec latency 24005.872 ms 1 1243 0.14 MB/sec execute 78 sec latency 25006.524 ms 1 1243 0.14 MB/sec execute 79 sec latency 26007.347 ms 1 1243 0.14 MB/sec execute 80 sec latency 27007.522 ms 1 1243 0.13 MB/sec execute 81 sec latency 28010.444 ms 1 1243 0.13 MB/sec execute 82 sec latency 29012.497 ms 1 1243 0.13 MB/sec execute 83 sec latency 30012.676 ms 1 1243 0.13 MB/sec execute 84 sec latency 31014.037 ms 1 1243 0.13 MB/sec execute 85 sec latency 32016.275 ms oleg629-server: oleg629-server.virtnet: executing set_default_debug -1 all 1 1243 0.13 MB/sec execute 86 sec latency 33018.729 ms pdsh@oleg629-client: oleg629-server: ssh exited with exit code 1 1 1243 0.12 MB/sec execute 87 sec latency 34019.038 ms Started lustre-MDT0000 23:31:01 (1787369461) targets are mounted 23:31:01 (1787369461) facet_failover done 1 1243 0.12 MB/sec execute 88 sec latency 35019.245 ms 1 1243 0.12 MB/sec execute 89 sec latency 36020.879 ms 1 1243 0.12 MB/sec execute 90 sec latency 37021.249 ms 1 1243 0.12 MB/sec execute 91 sec latency 38021.540 ms 1 1243 0.12 MB/sec execute 92 sec latency 39024.017 ms 1 1243 0.12 MB/sec execute 93 sec latency 40024.722 ms 1 1243 0.11 MB/sec execute 94 sec latency 41025.029 ms 1 1243 0.11 MB/sec execute 95 sec latency 42025.924 ms 1 1251 0.11 MB/sec execute 96 sec latency 42658.372 ms 1 1275 0.11 MB/sec execute 97 sec latency 128.429 ms 1 1401 0.14 MB/sec execute 98 sec latency 127.896 ms 1 1428 0.14 MB/sec execute 99 sec latency 166.406 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg629-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 159 75.959 278.661 Close 145 580.854 42658.351 Rename 10 105.459 304.960 Unlink 19 35.425 75.679 Qpathinfo 108 22.914 121.568 Qfileinfo 57 2.356 14.697 Qfsinfo 33 3.455 21.423 Sfileinfo 34 62.012 107.083 Find 49 7.765 65.167 WriteX 258 15.389 87.467 ReadX 230 2.728 114.435 Flush 24 134.599 351.767 Throughput 0.138762 MB/sec 1 clients 1 procs max_latency=42658.372 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec stopping dbench on /mnt/lustre at Fri Aug 21 23:31:18 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Aug 21 23:31:25 EDT 2026 waiting for dbench pid 47254 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 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3717120 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7453696 1% /mnt/lustre 1 24 0.66 MB/sec warmup 1 sec latency 25.260 ms 1 67 1.47 MB/sec warmup 2 sec latency 147.883 ms 1 113 1.75 MB/sec warmup 3 sec latency 142.011 ms 1 139 1.51 MB/sec warmup 4 sec latency 178.167 ms 1 161 1.32 MB/sec warmup 5 sec latency 221.064 ms 1 192 1.26 MB/sec warmup 6 sec latency 159.643 ms 1 227 1.24 MB/sec warmup 7 sec latency 142.038 ms test_26 fail mds1 3 times 1 263 1.24 MB/sec warmup 8 sec latency 144.353 ms 1 289 1.18 MB/sec warmup 9 sec latency 192.685 ms Failing mds1 on oleg629-server 1 313 1.14 MB/sec warmup 10 sec latency 264.171 ms Stopping /mnt/lustre-mds1 (opts:) on oleg629-server 1 342 1.11 MB/sec warmup 11 sec latency 149.862 ms 1 382 1.13 MB/sec warmup 12 sec latency 117.494 ms 1 389 1.06 MB/sec warmup 13 sec latency 906.398 ms 1 389 0.98 MB/sec warmup 14 sec latency 1907.958 ms 1 389 0.92 MB/sec warmup 15 sec latency 2911.495 ms 23:31:40 (1787369500) shut down facet: mds1 facet_host: oleg629-server facet_failover_host: oleg629-server 1 389 0.86 MB/sec warmup 16 sec latency 3911.935 ms 1 389 0.81 MB/sec warmup 17 sec latency 4912.264 ms 1 389 0.77 MB/sec warmup 18 sec latency 5912.667 ms 1 389 0.73 MB/sec warmup 19 sec latency 6913.036 ms 1 389 0.00 MB/sec execute 1 sec latency 8913.580 ms 1 389 0.00 MB/sec execute 2 sec latency 9914.249 ms 1 389 0.00 MB/sec execute 3 sec latency 10914.514 ms 1 389 0.00 MB/sec execute 4 sec latency 11914.736 ms 1 389 0.00 MB/sec execute 5 sec latency 12914.941 ms Failover mds1 to oleg629-server mount facets: mds1 1 389 0.00 MB/sec execute 6 sec latency 13918.866 ms 1 389 0.00 MB/sec execute 7 sec latency 14919.185 ms 1 389 0.00 MB/sec execute 8 sec latency 15919.440 ms 1 389 0.00 MB/sec execute 9 sec latency 16920.000 ms 1 389 0.00 MB/sec execute 10 sec latency 17920.360 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 389 0.00 MB/sec execute 11 sec latency 18921.179 ms 1 389 0.00 MB/sec execute 12 sec latency 19921.488 ms 1 389 0.00 MB/sec execute 13 sec latency 20921.683 ms 1 389 0.00 MB/sec execute 14 sec latency 21921.866 ms 1 389 0.00 MB/sec execute 15 sec latency 22924.073 ms 1 389 0.00 MB/sec execute 16 sec latency 23930.734 ms 1 389 0.00 MB/sec execute 17 sec latency 24930.922 ms 1 389 0.00 MB/sec execute 18 sec latency 25931.699 ms 1 389 0.00 MB/sec execute 19 sec latency 26933.832 ms 1 389 0.00 MB/sec execute 20 sec latency 27934.027 ms 1 389 0.00 MB/sec execute 21 sec latency 28934.215 ms 1 389 0.00 MB/sec execute 22 sec latency 29934.367 ms 1 389 0.00 MB/sec execute 23 sec latency 30934.602 ms 1 389 0.00 MB/sec execute 24 sec latency 31934.803 ms 1 389 0.00 MB/sec execute 25 sec latency 32935.605 ms 1 389 0.00 MB/sec execute 26 sec latency 33935.818 ms 1 389 0.00 MB/sec execute 27 sec latency 34936.870 ms oleg629-server: oleg629-server.virtnet: executing set_default_debug -1 all 1 389 0.00 MB/sec execute 28 sec latency 35938.086 ms pdsh@oleg629-client: oleg629-server: ssh exited with exit code 1 1 389 0.00 MB/sec execute 29 sec latency 36938.268 ms Started lustre-MDT0000 23:32:14 (1787369534) targets are mounted 23:32:15 (1787369535) facet_failover done 1 389 0.00 MB/sec execute 30 sec latency 37939.537 ms 1 389 0.00 MB/sec execute 31 sec latency 38941.579 ms 1 389 0.00 MB/sec execute 32 sec latency 39952.232 ms 1 389 0.00 MB/sec execute 33 sec latency 40952.432 ms 1 389 0.00 MB/sec execute 34 sec latency 41952.985 ms 1 413 0.02 MB/sec execute 35 sec latency 42447.322 ms 1 453 0.06 MB/sec execute 36 sec latency 142.020 ms 1 493 0.09 MB/sec execute 37 sec latency 121.051 ms 1 514 0.10 MB/sec execute 38 sec latency 172.533 ms 1 603 0.18 MB/sec execute 39 sec latency 142.615 ms oleg629-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 648 0.18 MB/sec execute 40 sec latency 116.250 ms 1 671 0.18 MB/sec execute 41 sec latency 276.222 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.18 MB/sec execute 42 sec latency 184.403 ms 1 721 0.17 MB/sec execute 43 sec latency 117.969 ms 1 748 0.17 MB/sec execute 44 sec latency 275.707 ms 1 782 0.17 MB/sec execute 45 sec latency 103.463 ms 1 801 0.17 MB/sec execute 46 sec latency 269.955 ms 1 845 0.16 MB/sec execute 47 sec latency 101.687 ms 1 873 0.16 MB/sec execute 48 sec latency 247.338 ms 1 904 0.16 MB/sec execute 49 sec latency 266.256 ms 1 948 0.16 MB/sec execute 50 sec latency 204.028 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 980 0.16 MB/sec execute 51 sec latency 123.952 ms 1 1050 0.17 MB/sec execute 52 sec latency 168.017 ms 1 1112 0.17 MB/sec execute 53 sec latency 90.366 ms 1 1148 0.17 MB/sec execute 54 sec latency 116.968 ms 1 1198 0.17 MB/sec execute 55 sec latency 84.617 ms 1 1244 0.17 MB/sec execute 56 sec latency 77.885 ms 1 1277 0.16 MB/sec execute 57 sec latency 160.957 ms 1 1412 0.21 MB/sec execute 58 sec latency 106.116 ms 1 1474 0.21 MB/sec execute 59 sec latency 79.347 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 21 23:32:44 EDT 2026 with return code 0 47254 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47254 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished