== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:37:56 (1790739476) Starting client oleg433-client.virtnet: -o user_xattr,flock 192.168.204.133@tcp:/lustre /mnt/lustre Started clients oleg433-client.virtnet: 192.168.204.133@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 45137 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 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7502848 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 Tue Sep 29 23:38:02 EDT 2026 waiting for dbench pid 45204 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 54.725 ms 1 74 1.57 MB/sec warmup 2 sec latency 195.890 ms 1 127 1.90 MB/sec warmup 3 sec latency 157.663 ms 1 165 1.70 MB/sec warmup 4 sec latency 130.940 ms test_26 fail mds1 1 times 1 197 1.57 MB/sec warmup 5 sec latency 171.389 ms 1 223 1.44 MB/sec warmup 6 sec latency 153.170 ms 1 263 1.42 MB/sec warmup 7 sec latency 108.930 ms Failing mds1 on oleg433-server Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 298 1.37 MB/sec warmup 8 sec latency 131.470 ms 1 339 1.36 MB/sec warmup 9 sec latency 112.414 ms 1 339 1.22 MB/sec warmup 10 sec latency 1043.753 ms 1 339 1.11 MB/sec warmup 11 sec latency 2044.004 ms 23:38:14 (1790739494) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 339 1.02 MB/sec warmup 12 sec latency 3045.178 ms 1 339 0.94 MB/sec warmup 13 sec latency 4045.509 ms 1 339 0.87 MB/sec warmup 14 sec latency 5045.759 ms 1 339 0.82 MB/sec warmup 15 sec latency 6045.991 ms 1 339 0.77 MB/sec warmup 16 sec latency 7046.280 ms 1 339 0.72 MB/sec warmup 17 sec latency 8046.524 ms 1 339 0.68 MB/sec warmup 18 sec latency 9048.173 ms 1 339 0.64 MB/sec warmup 19 sec latency 10048.973 ms 1 339 0.00 MB/sec execute 1 sec latency 12049.550 ms 1 339 0.00 MB/sec execute 2 sec latency 13051.751 ms Failover mds1 to oleg433-server mount facets: mds1 1 339 0.00 MB/sec execute 3 sec latency 14052.462 ms 1 339 0.00 MB/sec execute 4 sec latency 15052.731 ms 1 339 0.00 MB/sec execute 5 sec latency 16054.973 ms 1 339 0.00 MB/sec execute 6 sec latency 17055.275 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 7 sec latency 18055.861 ms 1 339 0.00 MB/sec execute 8 sec latency 19059.841 ms 1 339 0.00 MB/sec execute 9 sec latency 20060.061 ms 1 339 0.00 MB/sec execute 10 sec latency 21060.435 ms 1 339 0.00 MB/sec execute 11 sec latency 22064.548 ms 1 339 0.00 MB/sec execute 12 sec latency 23064.901 ms 1 339 0.00 MB/sec execute 13 sec latency 24065.751 ms 1 339 0.00 MB/sec execute 14 sec latency 25066.143 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 358 0.03 MB/sec execute 15 sec latency 25304.788 ms 1 389 0.10 MB/sec execute 16 sec latency 144.430 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 414 0.14 MB/sec execute 17 sec latency 198.189 ms Started lustre-MDT0000 23:38:40 (1790739520) targets are mounted 23:38:40 (1790739520) facet_failover done 1 437 0.17 MB/sec execute 18 sec latency 187.187 ms 1 484 0.25 MB/sec execute 19 sec latency 148.647 ms 1 509 0.27 MB/sec execute 20 sec latency 242.834 ms 1 542 0.33 MB/sec execute 21 sec latency 181.245 ms 1 616 0.40 MB/sec execute 22 sec latency 207.473 ms 1 664 0.39 MB/sec execute 23 sec latency 143.880 ms 1 676 0.37 MB/sec execute 24 sec latency 389.705 ms 1 707 0.36 MB/sec execute 25 sec latency 151.986 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 723 0.35 MB/sec execute 26 sec latency 268.972 ms 1 738 0.33 MB/sec execute 27 sec latency 233.642 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.32 MB/sec execute 28 sec latency 151.927 ms 1 789 0.32 MB/sec execute 29 sec latency 319.740 ms 1 808 0.31 MB/sec execute 30 sec latency 385.284 ms 1 863 0.30 MB/sec execute 31 sec latency 127.511 ms 1 887 0.29 MB/sec execute 32 sec latency 225.706 ms 1 913 0.29 MB/sec execute 33 sec latency 202.112 ms 1 942 0.28 MB/sec execute 34 sec latency 327.290 ms 1 970 0.27 MB/sec execute 35 sec latency 141.823 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 45056 3655680 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3708928 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7364608 1% /mnt/lustre 1 990 0.27 MB/sec execute 36 sec latency 244.864 ms 1 1060 0.29 MB/sec execute 37 sec latency 96.728 ms 1 1102 0.28 MB/sec execute 38 sec latency 119.484 ms 1 1145 0.27 MB/sec execute 39 sec latency 84.608 ms 1 1182 0.27 MB/sec execute 40 sec latency 114.437 ms 1 1230 0.26 MB/sec execute 41 sec latency 79.900 ms test_26 fail mds1 2 times 1 1267 0.26 MB/sec execute 42 sec latency 111.626 ms 1 1403 0.32 MB/sec execute 43 sec latency 96.834 ms Failing mds1 on oleg433-server 1 1436 0.31 MB/sec execute 44 sec latency 138.623 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 1489 0.31 MB/sec execute 45 sec latency 148.674 ms 1 1504 0.30 MB/sec execute 46 sec latency 686.364 ms 1 1504 0.29 MB/sec execute 47 sec latency 1686.637 ms 1 1504 0.29 MB/sec execute 48 sec latency 2687.915 ms 1 1504 0.28 MB/sec execute 49 sec latency 3689.572 ms 1 1504 0.28 MB/sec execute 50 sec latency 4689.843 ms 1 1504 0.27 MB/sec execute 51 sec latency 5690.077 ms 1 1504 0.26 MB/sec execute 52 sec latency 6690.321 ms 1 1504 0.26 MB/sec execute 53 sec latency 7690.611 ms 1 1504 0.25 MB/sec execute 54 sec latency 8694.466 ms 23:39:17 (1790739557) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 1504 0.25 MB/sec execute 55 sec latency 9694.671 ms 1 1504 0.25 MB/sec execute 56 sec latency 10694.852 ms 1 1504 0.24 MB/sec execute 57 sec latency 11695.162 ms 1 1504 0.24 MB/sec execute 58 sec latency 12695.366 ms 1 1504 0.23 MB/sec execute 59 sec latency 13696.216 ms 1 1504 0.23 MB/sec execute 60 sec latency 14698.870 ms 1 1504 0.23 MB/sec execute 61 sec latency 15699.072 ms 1 1504 0.22 MB/sec execute 62 sec latency 16699.854 ms 1 1504 0.22 MB/sec execute 63 sec latency 17701.525 ms 1 1504 0.22 MB/sec execute 64 sec latency 18701.720 ms 1 1504 0.21 MB/sec execute 65 sec latency 19702.877 ms Failover mds1 to oleg433-server mount facets: mds1 1 1504 0.21 MB/sec execute 66 sec latency 20705.611 ms 1 1504 0.21 MB/sec execute 67 sec latency 21706.528 ms 1 1504 0.20 MB/sec execute 68 sec latency 22706.682 ms 1 1504 0.20 MB/sec execute 69 sec latency 23707.176 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1504 0.20 MB/sec execute 70 sec latency 24709.190 ms 1 1504 0.19 MB/sec execute 71 sec latency 25709.887 ms 1 1504 0.19 MB/sec execute 72 sec latency 26710.069 ms 1 1504 0.19 MB/sec execute 73 sec latency 27710.294 ms 1 1504 0.19 MB/sec execute 74 sec latency 28711.282 ms 1 1504 0.18 MB/sec execute 75 sec latency 29712.129 ms 1 1504 0.18 MB/sec execute 76 sec latency 30712.760 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 1504 0.18 MB/sec execute 77 sec latency 31712.957 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 1504 0.18 MB/sec execute 78 sec latency 32714.573 ms Started lustre-MDT0000 23:39:41 (1790739581) targets are mounted 23:39:41 (1790739581) facet_failover done 1 1512 0.17 MB/sec execute 79 sec latency 33466.169 ms 1 1593 0.17 MB/sec execute 80 sec latency 56.000 ms 1 1634 0.17 MB/sec execute 81 sec latency 245.834 ms 1 1687 0.17 MB/sec execute 82 sec latency 110.226 ms 1 1736 0.17 MB/sec execute 83 sec latency 118.400 ms 1 1801 0.17 MB/sec execute 84 sec latency 90.024 ms 1 1855 0.17 MB/sec execute 85 sec latency 95.919 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1905 0.16 MB/sec execute 86 sec latency 235.339 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1967 0.16 MB/sec execute 87 sec latency 133.545 ms 1 1999 0.16 MB/sec execute 88 sec latency 121.199 ms 1 2069 0.16 MB/sec execute 89 sec latency 100.777 ms 1 2127 0.16 MB/sec execute 90 sec latency 124.629 ms 1 2170 0.16 MB/sec execute 91 sec latency 79.876 ms 1 2251 0.16 MB/sec execute 92 sec latency 85.954 ms 1 2333 0.17 MB/sec execute 93 sec latency 63.053 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 52224 3704832 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 21504 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7436288 1% /mnt/lustre 1 2359 0.17 MB/sec execute 94 sec latency 254.329 ms 1 2394 0.17 MB/sec execute 95 sec latency 206.758 ms 1 2423 0.16 MB/sec execute 96 sec latency 288.276 ms 1 2465 0.17 MB/sec execute 97 sec latency 127.535 ms 1 2505 0.17 MB/sec execute 98 sec latency 160.324 ms 1 2566 0.17 MB/sec execute 99 sec latency 525.891 ms test_26 fail mds1 3 times 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec Failing mds1 on oleg433-server 1 cleanup 103 sec Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 374 217.018 33466.154 Close 323 12.965 49.992 Rename 15 94.295 165.375 Unlink 38 28.252 58.347 Qpathinfo 340 16.174 101.057 Qfileinfo 101 2.153 16.745 Qfsinfo 43 5.340 59.694 Sfileinfo 49 63.292 119.465 Find 116 6.856 69.268 WriteX 369 14.646 99.388 ReadX 427 1.940 88.666 Flush 34 170.445 389.689 Throughput 0.167914 MB/sec 1 clients 1 procs max_latency=33466.169 ms stopping dbench on /mnt/lustre at Tue Sep 29 23:40:07 EDT 2026 with return code 0 23:40:09 (1790739609) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server Failover mds1 to oleg433-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 Started lustre-MDT0000 23:40:42 (1790739642) targets are mounted 23:40:42 (1790739642) facet_failover done 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 oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Sep 29 23:40:54 EDT 2026 waiting for dbench pid 47948 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 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 31 1.05 MB/sec warmup 1 sec latency 45.187 ms 1 85 1.92 MB/sec warmup 2 sec latency 167.942 ms 1 122 1.83 MB/sec warmup 3 sec latency 200.435 ms 1 157 1.63 MB/sec warmup 4 sec latency 156.510 ms 1 189 1.51 MB/sec warmup 5 sec latency 166.309 ms 1 223 1.43 MB/sec warmup 6 sec latency 154.282 ms 1 264 1.42 MB/sec warmup 7 sec latency 183.530 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 17408 3751936 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3697664 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7449600 1% /mnt/lustre 1 298 1.37 MB/sec warmup 8 sec latency 138.523 ms 1 339 1.36 MB/sec warmup 9 sec latency 130.644 ms 1 381 1.35 MB/sec warmup 10 sec latency 183.160 ms 1 429 1.37 MB/sec warmup 11 sec latency 143.363 ms 1 481 1.39 MB/sec warmup 12 sec latency 92.925 ms 1 528 1.40 MB/sec warmup 13 sec latency 141.327 ms test_26 fail mds1 4 times 1 616 1.50 MB/sec warmup 14 sec latency 129.272 ms 1 666 1.41 MB/sec warmup 15 sec latency 311.124 ms Failing mds1 on oleg433-server 1 695 1.32 MB/sec warmup 16 sec latency 136.199 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 721 1.25 MB/sec warmup 17 sec latency 303.456 ms 1 721 1.18 MB/sec warmup 18 sec latency 1312.715 ms 1 721 1.12 MB/sec warmup 19 sec latency 2317.637 ms 23:41:13 (1790739673) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 721 0.00 MB/sec execute 1 sec latency 4319.104 ms 1 721 0.00 MB/sec execute 2 sec latency 5320.199 ms 1 721 0.00 MB/sec execute 3 sec latency 6320.463 ms 1 721 0.00 MB/sec execute 4 sec latency 7320.829 ms 1 721 0.00 MB/sec execute 5 sec latency 8321.003 ms 1 721 0.00 MB/sec execute 6 sec latency 9321.523 ms 1 721 0.00 MB/sec execute 7 sec latency 10321.718 ms 1 721 0.00 MB/sec execute 8 sec latency 11322.392 ms 1 721 0.00 MB/sec execute 9 sec latency 12322.701 ms Failover mds1 to oleg433-server mount facets: mds1 1 721 0.00 MB/sec execute 10 sec latency 13322.904 ms 1 721 0.00 MB/sec execute 11 sec latency 14323.062 ms 1 721 0.00 MB/sec execute 12 sec latency 15323.211 ms 1 721 0.00 MB/sec execute 13 sec latency 16323.344 ms 1 721 0.00 MB/sec execute 14 sec latency 17323.951 ms 1 721 0.00 MB/sec execute 15 sec latency 18329.297 ms 1 721 0.00 MB/sec execute 16 sec latency 19331.114 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 721 0.00 MB/sec execute 17 sec latency 20333.169 ms 1 721 0.00 MB/sec execute 18 sec latency 21333.355 ms 1 721 0.00 MB/sec execute 19 sec latency 22333.531 ms 1 721 0.00 MB/sec execute 20 sec latency 23333.684 ms 1 721 0.00 MB/sec execute 21 sec latency 24340.476 ms 1 721 0.00 MB/sec execute 22 sec latency 25340.632 ms 1 721 0.00 MB/sec execute 23 sec latency 26340.824 ms 1 721 0.00 MB/sec execute 24 sec latency 27341.878 ms 1 721 0.00 MB/sec execute 25 sec latency 28344.247 ms 1 721 0.00 MB/sec execute 26 sec latency 29344.422 ms 1 721 0.00 MB/sec execute 27 sec latency 30347.098 ms 1 721 0.00 MB/sec execute 28 sec latency 31347.255 ms 1 721 0.00 MB/sec execute 29 sec latency 32347.755 ms 1 721 0.00 MB/sec execute 30 sec latency 33348.038 ms 1 721 0.00 MB/sec execute 31 sec latency 34348.778 ms 1 721 0.00 MB/sec execute 32 sec latency 35349.175 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 721 0.00 MB/sec execute 33 sec latency 36349.363 ms 1 721 0.00 MB/sec execute 34 sec latency 37349.680 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 721 0.00 MB/sec execute 35 sec latency 38353.354 ms Started lustre-MDT0000 23:41:49 (1790739709) targets are mounted 23:41:49 (1790739709) facet_failover done 1 721 0.00 MB/sec execute 36 sec latency 39357.689 ms 1 721 0.00 MB/sec execute 37 sec latency 40358.156 ms 1 721 0.00 MB/sec execute 38 sec latency 41359.691 ms 1 721 0.00 MB/sec execute 39 sec latency 42360.450 ms 1 738 0.00 MB/sec execute 40 sec latency 42370.537 ms 1 776 0.00 MB/sec execute 41 sec latency 128.790 ms 1 794 0.00 MB/sec execute 42 sec latency 442.942 ms 1 818 0.00 MB/sec execute 43 sec latency 143.492 ms 1 870 0.01 MB/sec execute 44 sec latency 129.413 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 885 0.01 MB/sec execute 45 sec latency 329.429 ms 1 910 0.01 MB/sec execute 46 sec latency 127.692 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 927 0.01 MB/sec execute 47 sec latency 216.162 ms 1 964 0.01 MB/sec execute 48 sec latency 147.513 ms 1 988 0.01 MB/sec execute 49 sec latency 135.934 ms 1 1029 0.03 MB/sec execute 50 sec latency 172.980 ms 1 1074 0.03 MB/sec execute 51 sec latency 125.800 ms 1 1127 0.03 MB/sec execute 52 sec latency 93.507 ms 1 1167 0.03 MB/sec execute 53 sec latency 149.457 ms 1 1214 0.03 MB/sec execute 54 sec latency 129.016 ms 1 1236 0.03 MB/sec execute 55 sec latency 193.941 ms 1 1267 0.03 MB/sec execute 56 sec latency 156.713 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1399 0.08 MB/sec execute 57 sec latency 125.977 ms 1 1455 0.08 MB/sec execute 58 sec latency 89.025 ms 1 1492 0.08 MB/sec execute 59 sec latency 312.565 ms 1 1538 0.08 MB/sec execute 60 sec latency 93.559 ms 1 1591 0.08 MB/sec execute 61 sec latency 65.285 ms 1 1641 0.08 MB/sec execute 62 sec latency 230.848 ms 1 1685 0.08 MB/sec execute 63 sec latency 98.531 ms 1 1736 0.08 MB/sec execute 64 sec latency 108.923 ms 1 1801 0.08 MB/sec execute 65 sec latency 101.705 ms 1 1851 0.08 MB/sec execute 66 sec latency 107.373 ms 1 1886 0.08 MB/sec execute 67 sec latency 321.385 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 29 23:42:21 EDT 2026 with return code 0 47948 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47948 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished