== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:17:38 (1790788658) 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 45164 Started dbench loop with 45165 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 14336 3733504 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3757056 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7490560 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 Sep 30 13:17:44 EDT 2026 waiting for dbench pid 45232 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 41.594 ms 1 84 1.90 MB/sec warmup 2 sec latency 172.382 ms 1 121 1.83 MB/sec warmup 3 sec latency 241.364 ms 1 155 1.63 MB/sec warmup 4 sec latency 178.533 ms 1 177 1.42 MB/sec warmup 5 sec latency 195.205 ms test_26 fail mds1 1 times 1 202 1.30 MB/sec warmup 6 sec latency 162.694 ms 1 231 1.26 MB/sec warmup 7 sec latency 189.540 ms Failing mds1 on oleg433-server 1 263 1.24 MB/sec warmup 8 sec latency 137.254 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 289 1.19 MB/sec warmup 9 sec latency 208.594 ms 1 315 1.15 MB/sec warmup 10 sec latency 166.524 ms 1 322 1.07 MB/sec warmup 11 sec latency 831.151 ms 1 322 0.98 MB/sec warmup 12 sec latency 1833.353 ms 1 322 0.90 MB/sec warmup 13 sec latency 2834.208 ms 13:17:58 (1790788678) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 322 0.84 MB/sec warmup 14 sec latency 3834.866 ms 1 322 0.78 MB/sec warmup 15 sec latency 4835.099 ms 1 322 0.73 MB/sec warmup 16 sec latency 5835.342 ms 1 322 0.69 MB/sec warmup 17 sec latency 6836.561 ms 1 322 0.65 MB/sec warmup 18 sec latency 7837.238 ms 1 322 0.62 MB/sec warmup 19 sec latency 8841.214 ms 1 322 0.00 MB/sec execute 1 sec latency 10845.762 ms 1 322 0.00 MB/sec execute 2 sec latency 11846.000 ms 1 322 0.00 MB/sec execute 3 sec latency 12847.353 ms 1 322 0.00 MB/sec execute 4 sec latency 13850.245 ms Failover mds1 to oleg433-server mount facets: mds1 1 322 0.00 MB/sec execute 5 sec latency 14850.937 ms 1 322 0.00 MB/sec execute 6 sec latency 15851.787 ms 1 322 0.00 MB/sec execute 7 sec latency 16852.013 ms 1 322 0.00 MB/sec execute 8 sec latency 17852.169 ms 1 322 0.00 MB/sec execute 9 sec latency 18852.415 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 10 sec latency 19853.262 ms 1 322 0.00 MB/sec execute 11 sec latency 20854.197 ms 1 322 0.00 MB/sec execute 12 sec latency 21855.227 ms 1 322 0.00 MB/sec execute 13 sec latency 22855.444 ms 1 322 0.00 MB/sec execute 14 sec latency 23857.711 ms 1 322 0.00 MB/sec execute 15 sec latency 24859.579 ms 1 322 0.00 MB/sec execute 16 sec latency 25861.231 ms 1 322 0.00 MB/sec execute 17 sec latency 26861.447 ms 1 322 0.00 MB/sec execute 18 sec latency 27861.829 ms 1 322 0.00 MB/sec execute 19 sec latency 28862.058 ms 1 322 0.00 MB/sec execute 20 sec latency 29862.337 ms 1 322 0.00 MB/sec execute 21 sec latency 30862.823 ms 1 322 0.00 MB/sec execute 22 sec latency 31864.020 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 322 0.00 MB/sec execute 23 sec latency 32864.935 ms 1 322 0.00 MB/sec execute 24 sec latency 33865.189 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 322 0.00 MB/sec execute 25 sec latency 34866.015 ms Started lustre-MDT0000 13:18:30 (1790788710) targets are mounted 13:18:30 (1790788710) facet_failover done 1 322 0.00 MB/sec execute 26 sec latency 35866.588 ms 1 322 0.00 MB/sec execute 27 sec latency 36874.218 ms 1 322 0.00 MB/sec execute 28 sec latency 37874.986 ms 1 322 0.00 MB/sec execute 29 sec latency 38875.213 ms 1 323 0.00 MB/sec execute 30 sec latency 39792.871 ms 1 349 0.03 MB/sec execute 31 sec latency 278.220 ms 1 381 0.06 MB/sec execute 32 sec latency 152.378 ms 1 421 0.09 MB/sec execute 33 sec latency 201.262 ms 1 453 0.12 MB/sec execute 34 sec latency 150.971 ms 1 493 0.16 MB/sec execute 35 sec latency 110.364 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 522 0.18 MB/sec execute 36 sec latency 173.566 ms 1 599 0.25 MB/sec execute 37 sec latency 150.604 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 642 0.24 MB/sec execute 38 sec latency 108.329 ms 1 671 0.24 MB/sec execute 39 sec latency 238.520 ms 1 705 0.24 MB/sec execute 40 sec latency 139.374 ms 1 729 0.23 MB/sec execute 41 sec latency 184.433 ms 1 769 0.23 MB/sec execute 42 sec latency 122.900 ms 1 799 0.23 MB/sec execute 43 sec latency 162.310 ms 1 827 0.22 MB/sec execute 44 sec latency 116.510 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 43008 3694592 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3724288 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7418880 1% /mnt/lustre 1 874 0.22 MB/sec execute 45 sec latency 235.592 ms 1 913 0.22 MB/sec execute 46 sec latency 108.149 ms 1 943 0.21 MB/sec execute 47 sec latency 271.355 ms 1 980 0.21 MB/sec execute 48 sec latency 110.953 ms 1 1041 0.23 MB/sec execute 49 sec latency 205.054 ms test_26 fail mds1 2 times 1 1095 0.22 MB/sec execute 50 sec latency 73.612 ms 1 1136 0.22 MB/sec execute 51 sec latency 158.520 ms Failing mds1 on oleg433-server 1 1174 0.22 MB/sec execute 52 sec latency 158.656 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 1211 0.21 MB/sec execute 53 sec latency 123.122 ms 1 1244 0.21 MB/sec execute 54 sec latency 101.599 ms 1 1244 0.21 MB/sec execute 55 sec latency 1101.850 ms 1 1244 0.20 MB/sec execute 56 sec latency 2102.148 ms 13:19:01 (1790788741) shut down 1 1244 0.20 MB/sec execute 57 sec latency 3106.540 ms facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 1244 0.20 MB/sec execute 58 sec latency 4106.805 ms 1 1244 0.19 MB/sec execute 59 sec latency 5107.055 ms 1 1244 0.19 MB/sec execute 60 sec latency 6107.322 ms 1 1244 0.19 MB/sec execute 61 sec latency 7108.139 ms 1 1244 0.18 MB/sec execute 62 sec latency 8108.661 ms 1 1244 0.18 MB/sec execute 63 sec latency 9108.878 ms 1 1244 0.18 MB/sec execute 64 sec latency 10109.134 ms 1 1244 0.17 MB/sec execute 65 sec latency 11109.395 ms 1 1244 0.17 MB/sec execute 66 sec latency 12109.663 ms 1 1244 0.17 MB/sec execute 67 sec latency 13109.990 ms Failover mds1 to oleg433-server mount facets: mds1 1 1244 0.17 MB/sec execute 68 sec latency 14111.113 ms 1 1244 0.16 MB/sec execute 69 sec latency 15111.388 ms 1 1244 0.16 MB/sec execute 70 sec latency 16112.209 ms 1 1244 0.16 MB/sec execute 71 sec latency 17112.543 ms 1 1244 0.16 MB/sec execute 72 sec latency 18113.508 ms 1 1244 0.16 MB/sec execute 73 sec latency 19113.736 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1244 0.15 MB/sec execute 74 sec latency 20119.022 ms 1 1244 0.15 MB/sec execute 75 sec latency 21119.226 ms 1 1244 0.15 MB/sec execute 76 sec latency 22119.956 ms 1 1244 0.15 MB/sec execute 77 sec latency 23120.994 ms 1 1244 0.15 MB/sec execute 78 sec latency 24123.146 ms 1 1244 0.14 MB/sec execute 79 sec latency 25123.420 ms 1 1244 0.14 MB/sec execute 80 sec latency 26123.829 ms 1 1244 0.14 MB/sec execute 81 sec latency 27125.402 ms 1 1244 0.14 MB/sec execute 82 sec latency 28125.767 ms 1 1244 0.14 MB/sec execute 83 sec latency 29126.171 ms 1 1244 0.13 MB/sec execute 84 sec latency 30126.554 ms 1 1244 0.13 MB/sec execute 85 sec latency 31126.781 ms 1 1244 0.13 MB/sec execute 86 sec latency 32127.019 ms 1 1244 0.13 MB/sec execute 87 sec latency 33127.202 ms 1 1244 0.13 MB/sec execute 88 sec latency 34127.509 ms 1 1244 0.13 MB/sec execute 89 sec latency 35127.710 ms 1 1244 0.13 MB/sec execute 90 sec latency 36128.066 ms 1 1244 0.12 MB/sec execute 91 sec latency 37128.349 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 1244 0.12 MB/sec execute 92 sec latency 38131.794 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 1244 0.12 MB/sec execute 93 sec latency 39132.322 ms 1 1244 0.12 MB/sec execute 94 sec latency 40132.650 ms Started lustre-MDT0000 13:19:38 (1790788778) targets are mounted 13:19:38 (1790788778) facet_failover done 1 1244 0.12 MB/sec execute 95 sec latency 41133.170 ms 1 1244 0.12 MB/sec execute 96 sec latency 42136.939 ms 1 1244 0.12 MB/sec execute 97 sec latency 43137.892 ms 1 1259 0.12 MB/sec execute 98 sec latency 43654.681 ms 1 1396 0.14 MB/sec execute 99 sec latency 80.757 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg433-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 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 153 72.676 278.200 Close 136 305.465 39792.845 Rename 10 4454.266 43654.656 Unlink 17 26.492 54.123 Qpathinfo 100 23.713 169.263 Qfileinfo 59 1.877 9.869 Qfsinfo 33 4.026 25.925 Sfileinfo 34 57.928 158.500 Find 48 8.074 88.385 WriteX 268 14.208 93.561 ReadX 225 2.688 68.860 Flush 24 120.784 271.339 Throughput 0.143958 MB/sec 1 clients 1 procs max_latency=43654.681 ms stopping dbench on /mnt/lustre at Wed Sep 30 13:19:48 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Wed Sep 30 13:19:55 EDT 2026 waiting for dbench pid 47224 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 40 1.44 MB/sec warmup 1 sec latency 88.975 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3742720 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3691520 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7434240 1% /mnt/lustre 1 94 2.10 MB/sec warmup 2 sec latency 190.974 ms 1 130 1.92 MB/sec warmup 3 sec latency 248.637 ms 1 157 1.63 MB/sec warmup 4 sec latency 188.421 ms 1 189 1.51 MB/sec warmup 5 sec latency 183.986 ms 1 224 1.44 MB/sec warmup 6 sec latency 161.968 ms 1 271 1.45 MB/sec warmup 7 sec latency 119.958 ms test_26 fail mds1 3 times 1 313 1.43 MB/sec warmup 8 sec latency 139.831 ms 1 341 1.36 MB/sec warmup 9 sec latency 158.983 ms 1 375 1.33 MB/sec warmup 10 sec latency 174.793 ms Failing mds1 on oleg433-server 1 413 1.33 MB/sec warmup 11 sec latency 130.463 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 445 1.30 MB/sec warmup 12 sec latency 180.613 ms 1 461 1.24 MB/sec warmup 13 sec latency 661.804 ms 1 461 1.15 MB/sec warmup 14 sec latency 1662.291 ms 1 461 1.08 MB/sec warmup 15 sec latency 2663.449 ms 13:20:11 (1790788811) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 461 1.01 MB/sec warmup 16 sec latency 3666.934 ms 1 461 0.95 MB/sec warmup 17 sec latency 4667.151 ms 1 461 0.90 MB/sec warmup 18 sec latency 5668.501 ms 1 461 0.85 MB/sec warmup 19 sec latency 6668.911 ms 1 461 0.00 MB/sec execute 1 sec latency 8670.934 ms 1 461 0.00 MB/sec execute 2 sec latency 9671.904 ms 1 461 0.00 MB/sec execute 3 sec latency 10676.254 ms 1 461 0.00 MB/sec execute 4 sec latency 11676.473 ms 1 461 0.00 MB/sec execute 5 sec latency 12676.813 ms 1 461 0.00 MB/sec execute 6 sec latency 13679.277 ms Failover mds1 to oleg433-server mount facets: mds1 1 461 0.00 MB/sec execute 7 sec latency 14679.464 ms 1 461 0.00 MB/sec execute 8 sec latency 15681.009 ms 1 461 0.00 MB/sec execute 9 sec latency 16681.645 ms 1 461 0.00 MB/sec execute 10 sec latency 17681.876 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 461 0.00 MB/sec execute 11 sec latency 18682.099 ms 1 461 0.00 MB/sec execute 12 sec latency 19682.277 ms 1 461 0.00 MB/sec execute 13 sec latency 20683.084 ms 1 461 0.00 MB/sec execute 14 sec latency 21684.178 ms 1 461 0.00 MB/sec execute 15 sec latency 22684.412 ms 1 461 0.00 MB/sec execute 16 sec latency 23685.064 ms 1 461 0.00 MB/sec execute 17 sec latency 24685.815 ms 1 461 0.00 MB/sec execute 18 sec latency 25686.742 ms 1 461 0.00 MB/sec execute 19 sec latency 26687.588 ms 1 461 0.00 MB/sec execute 20 sec latency 27690.236 ms 1 461 0.00 MB/sec execute 21 sec latency 28700.589 ms 1 461 0.00 MB/sec execute 22 sec latency 29700.953 ms 1 461 0.00 MB/sec execute 23 sec latency 30701.498 ms 1 461 0.00 MB/sec execute 24 sec latency 31701.763 ms 1 461 0.00 MB/sec execute 25 sec latency 32702.623 ms 1 461 0.00 MB/sec execute 26 sec latency 33703.986 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 27 sec latency 34704.288 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 28 sec latency 35704.543 ms Started lustre-MDT0000 13:20:44 (1790788844) targets are mounted 13:20:44 (1790788844) facet_failover done 1 461 0.00 MB/sec execute 29 sec latency 36705.382 ms 1 461 0.00 MB/sec execute 30 sec latency 37706.427 ms 1 461 0.00 MB/sec execute 31 sec latency 38706.646 ms 1 461 0.00 MB/sec execute 32 sec latency 39706.962 ms 1 461 0.00 MB/sec execute 33 sec latency 40707.293 ms 1 461 0.00 MB/sec execute 34 sec latency 41707.665 ms 1 461 0.00 MB/sec execute 35 sec latency 42707.902 ms 1 461 0.00 MB/sec execute 36 sec latency 43708.419 ms 1 469 0.01 MB/sec execute 37 sec latency 44329.952 ms 1 503 0.03 MB/sec execute 38 sec latency 356.256 ms 1 542 0.08 MB/sec execute 39 sec latency 137.734 ms 1 616 0.12 MB/sec execute 40 sec latency 147.638 ms 1 664 0.12 MB/sec execute 41 sec latency 233.975 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 688 0.12 MB/sec execute 42 sec latency 315.579 ms 1 710 0.12 MB/sec execute 43 sec latency 144.002 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 728 0.12 MB/sec execute 44 sec latency 374.143 ms 1 741 0.11 MB/sec execute 45 sec latency 183.301 ms 1 776 0.11 MB/sec execute 46 sec latency 156.461 ms 1 799 0.11 MB/sec execute 47 sec latency 280.356 ms 1 821 0.11 MB/sec execute 48 sec latency 147.146 ms 1 870 0.11 MB/sec execute 49 sec latency 151.478 ms 1 888 0.11 MB/sec execute 50 sec latency 315.662 ms 1 918 0.11 MB/sec execute 51 sec latency 179.463 ms 1 955 0.11 MB/sec execute 52 sec latency 102.699 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 981 0.11 MB/sec execute 53 sec latency 272.901 ms 1 1038 0.12 MB/sec execute 54 sec latency 124.958 ms 1 1079 0.12 MB/sec execute 55 sec latency 111.362 ms 1 1132 0.12 MB/sec execute 56 sec latency 85.075 ms 1 1164 0.12 MB/sec execute 57 sec latency 124.972 ms 1 1200 0.12 MB/sec execute 58 sec latency 111.407 ms 1 1244 0.12 MB/sec execute 59 sec latency 205.069 ms 1 1273 0.12 MB/sec execute 60 sec latency 162.612 ms 1 1396 0.16 MB/sec execute 61 sec latency 111.677 ms 1 1422 0.16 MB/sec execute 62 sec latency 133.933 ms 1 1459 0.16 MB/sec execute 63 sec latency 171.224 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Sep 30 13:21:19 EDT 2026 with return code 0 1 1486 0.15 MB/sec execute 64 sec latency 365.753 ms 47224 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47224 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished