== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:19:21 (1787498361) Starting client oleg454-client.virtnet: -o user_xattr,flock 192.168.204.154@tcp:/lustre /mnt/lustre Started clients oleg454-client.virtnet: 192.168.204.154@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 45193 Started dbench loop with 45194 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 18432 3734528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7486464 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 Sun Aug 23 11:19:26 EDT 2026 waiting for dbench pid 45261 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 24 0.65 MB/sec warmup 1 sec latency 205.723 ms 1 86 1.96 MB/sec warmup 2 sec latency 141.319 ms 1 121 1.83 MB/sec warmup 3 sec latency 184.712 ms 1 147 1.56 MB/sec warmup 4 sec latency 171.139 ms 1 185 1.47 MB/sec warmup 5 sec latency 152.580 ms test_26 fail mds1 1 times 1 223 1.43 MB/sec warmup 6 sec latency 103.908 ms 1 263 1.41 MB/sec warmup 7 sec latency 131.516 ms Failing mds1 on oleg454-server 1 290 1.33 MB/sec warmup 8 sec latency 175.348 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 324 1.30 MB/sec warmup 9 sec latency 129.447 ms 1 331 1.20 MB/sec warmup 10 sec latency 895.193 ms 1 331 1.09 MB/sec warmup 11 sec latency 1896.133 ms 11:19:38 (1787498378) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 331 1.00 MB/sec warmup 12 sec latency 2896.948 ms 1 331 0.92 MB/sec warmup 13 sec latency 3898.138 ms 1 331 0.86 MB/sec warmup 14 sec latency 4899.689 ms 1 331 0.80 MB/sec warmup 15 sec latency 5899.968 ms 1 331 0.75 MB/sec warmup 16 sec latency 6900.255 ms 1 331 0.70 MB/sec warmup 17 sec latency 7900.567 ms 1 331 0.67 MB/sec warmup 18 sec latency 8901.088 ms 1 331 0.63 MB/sec warmup 19 sec latency 9901.476 ms 1 331 0.00 MB/sec execute 1 sec latency 11903.098 ms 1 331 0.00 MB/sec execute 2 sec latency 12903.365 ms Failover mds1 to oleg454-server mount facets: mds1 1 331 0.00 MB/sec execute 3 sec latency 13905.021 ms 1 331 0.00 MB/sec execute 4 sec latency 14905.251 ms 1 331 0.00 MB/sec execute 5 sec latency 15905.577 ms 1 331 0.00 MB/sec execute 6 sec latency 16905.861 ms 1 331 0.00 MB/sec execute 7 sec latency 17906.102 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 331 0.00 MB/sec execute 8 sec latency 18906.519 ms 1 331 0.00 MB/sec execute 9 sec latency 19906.736 ms 1 331 0.00 MB/sec execute 10 sec latency 20907.490 ms 1 331 0.00 MB/sec execute 11 sec latency 21908.329 ms 1 331 0.00 MB/sec execute 12 sec latency 22908.547 ms 1 339 0.02 MB/sec execute 13 sec latency 23806.368 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 381 0.11 MB/sec execute 14 sec latency 103.323 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 425 0.20 MB/sec execute 15 sec latency 153.641 ms Started lustre-MDT0000 1 469 0.28 MB/sec execute 16 sec latency 118.307 ms 11:20:03 (1787498403) targets are mounted 11:20:03 (1787498403) facet_failover done 1 507 0.33 MB/sec execute 17 sec latency 156.245 ms 1 574 0.41 MB/sec execute 18 sec latency 150.034 ms 1 636 0.48 MB/sec execute 19 sec latency 152.395 ms 1 664 0.46 MB/sec execute 20 sec latency 153.508 ms 1 689 0.44 MB/sec execute 21 sec latency 310.762 ms 1 715 0.42 MB/sec execute 22 sec latency 140.458 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 735 0.40 MB/sec execute 23 sec latency 320.485 ms 1 776 0.39 MB/sec execute 24 sec latency 120.570 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.38 MB/sec execute 25 sec latency 279.979 ms 1 815 0.36 MB/sec execute 26 sec latency 154.242 ms 1 863 0.35 MB/sec execute 27 sec latency 131.951 ms 1 876 0.34 MB/sec execute 28 sec latency 445.958 ms 1 902 0.33 MB/sec execute 29 sec latency 163.133 ms 1 919 0.32 MB/sec execute 30 sec latency 334.897 ms 1 957 0.32 MB/sec execute 31 sec latency 117.419 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 47104 3656704 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3696640 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 56320 7353344 1% /mnt/lustre 1 981 0.31 MB/sec execute 32 sec latency 356.168 ms 1 1009 0.31 MB/sec execute 33 sec latency 239.008 ms 1 1060 0.32 MB/sec execute 34 sec latency 113.372 ms 1 1086 0.31 MB/sec execute 35 sec latency 161.641 ms 1 1126 0.30 MB/sec execute 36 sec latency 193.876 ms 1 1155 0.30 MB/sec execute 37 sec latency 154.776 ms 1 1192 0.29 MB/sec execute 38 sec latency 178.586 ms 1 1224 0.28 MB/sec execute 39 sec latency 153.618 ms test_26 fail mds1 2 times 1 1252 0.28 MB/sec execute 40 sec latency 149.792 ms 1 1274 0.27 MB/sec execute 41 sec latency 183.398 ms Failing mds1 on oleg454-server 1 1398 0.33 MB/sec execute 42 sec latency 185.577 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 1430 0.33 MB/sec execute 43 sec latency 134.619 ms 1 1468 0.32 MB/sec execute 44 sec latency 294.235 ms 1 1468 0.31 MB/sec execute 45 sec latency 1294.736 ms 1 1468 0.30 MB/sec execute 46 sec latency 2295.052 ms 11:20:34 (1787498434) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 1468 0.30 MB/sec execute 47 sec latency 3295.443 ms 1 1468 0.29 MB/sec execute 48 sec latency 4296.348 ms 1 1468 0.29 MB/sec execute 49 sec latency 5296.624 ms 1 1468 0.28 MB/sec execute 50 sec latency 6297.965 ms 1 1468 0.27 MB/sec execute 51 sec latency 7298.206 ms 1 1468 0.27 MB/sec execute 52 sec latency 8302.638 ms 1 1468 0.26 MB/sec execute 53 sec latency 9302.836 ms 1 1468 0.26 MB/sec execute 54 sec latency 10305.278 ms 1 1468 0.25 MB/sec execute 55 sec latency 11309.252 ms 1 1468 0.25 MB/sec execute 56 sec latency 12309.469 ms 1 1468 0.25 MB/sec execute 57 sec latency 13311.365 ms Failover mds1 to oleg454-server mount facets: mds1 1 1468 0.24 MB/sec execute 58 sec latency 14313.839 ms 1 1468 0.24 MB/sec execute 59 sec latency 15315.213 ms 1 1468 0.23 MB/sec execute 60 sec latency 16315.455 ms 1 1468 0.23 MB/sec execute 61 sec latency 17315.963 ms 1 1468 0.23 MB/sec execute 62 sec latency 18318.724 ms 1 1468 0.22 MB/sec execute 63 sec latency 19319.133 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1468 0.22 MB/sec execute 64 sec latency 20322.116 ms 1 1468 0.22 MB/sec execute 65 sec latency 21322.357 ms 1 1468 0.21 MB/sec execute 66 sec latency 22322.780 ms 1 1468 0.21 MB/sec execute 67 sec latency 23323.019 ms 1 1468 0.21 MB/sec execute 68 sec latency 24323.629 ms 1 1468 0.20 MB/sec execute 69 sec latency 25326.352 ms 1 1468 0.20 MB/sec execute 70 sec latency 26326.634 ms 1 1468 0.20 MB/sec execute 71 sec latency 27326.872 ms 1 1468 0.19 MB/sec execute 72 sec latency 28327.212 ms 1 1468 0.19 MB/sec execute 73 sec latency 29330.826 ms 1 1468 0.19 MB/sec execute 74 sec latency 30331.062 ms 1 1468 0.19 MB/sec execute 75 sec latency 31331.244 ms 1 1468 0.18 MB/sec execute 76 sec latency 32332.869 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 1468 0.18 MB/sec execute 77 sec latency 33334.144 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 1468 0.18 MB/sec execute 78 sec latency 34334.337 ms 1 1468 0.18 MB/sec execute 79 sec latency 35336.129 ms Started lustre-MDT0000 11:21:06 (1787498466) targets are mounted 11:21:06 (1787498466) facet_failover done 1 1468 0.18 MB/sec execute 80 sec latency 36341.723 ms 1 1468 0.17 MB/sec execute 81 sec latency 37342.054 ms 1 1468 0.17 MB/sec execute 82 sec latency 38342.341 ms 1 1473 0.17 MB/sec execute 83 sec latency 39278.999 ms 1 1504 0.17 MB/sec execute 84 sec latency 185.990 ms 1 1549 0.17 MB/sec execute 85 sec latency 121.387 ms 1 1588 0.16 MB/sec execute 86 sec latency 68.351 ms 1 1632 0.16 MB/sec execute 87 sec latency 193.828 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1677 0.16 MB/sec execute 88 sec latency 290.711 ms 1 1709 0.16 MB/sec execute 89 sec latency 137.815 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1769 0.16 MB/sec execute 90 sec latency 97.268 ms 1 1820 0.16 MB/sec execute 91 sec latency 95.519 ms 1 1868 0.16 MB/sec execute 92 sec latency 83.690 ms 1 1905 0.15 MB/sec execute 93 sec latency 227.849 ms 1 1965 0.15 MB/sec execute 94 sec latency 102.469 ms 1 1997 0.15 MB/sec execute 95 sec latency 111.924 ms 1 2065 0.15 MB/sec execute 96 sec latency 101.608 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 61440 3700736 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3752960 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7453696 1% /mnt/lustre 1 2137 0.15 MB/sec execute 97 sec latency 111.269 ms 1 2160 0.15 MB/sec execute 98 sec latency 136.704 ms 1 2204 0.15 MB/sec execute 99 sec latency 105.431 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec test_26 fail mds1 3 times 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 343 248.189 39278.984 Close 298 14.464 65.643 Rename 11 120.939 153.594 Unlink 30 35.912 77.377 Qpathinfo 295 17.815 102.440 Qfileinfo 90 1.889 9.998 Qfsinfo 33 2.984 21.809 Sfileinfo 34 84.516 238.992 Find 92 7.776 45.811 WriteX 328 13.166 103.368 ReadX 350 2.259 99.774 Flush 30 163.797 445.941 Throughput 0.148852 MB/sec 1 clients 1 procs max_latency=39278.999 ms stopping dbench on /mnt/lustre at Sun Aug 23 11:21:31 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg454-server Stopping /mnt/lustre-mds1 (opts:) on oleg454-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 11:21:37 (1787498497) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server Failover mds1 to oleg454-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 Started lustre-MDT0000 11:22:02 (1787498522) targets are mounted 11:22:02 (1787498522) facet_failover done '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sun Aug 23 11:22:16 EDT 2026 waiting for dbench pid 47779 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 23 0.66 MB/sec warmup 1 sec latency 21.942 ms 1 70 1.57 MB/sec warmup 2 sec latency 195.198 ms 1 111 1.75 MB/sec warmup 3 sec latency 175.321 ms 1 132 1.43 MB/sec warmup 4 sec latency 236.134 ms 1 156 1.30 MB/sec warmup 5 sec latency 217.535 ms 1 178 1.20 MB/sec warmup 6 sec latency 218.258 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 197 1.12 MB/sec warmup 7 sec latency 219.373 ms 1 230 1.11 MB/sec warmup 8 sec latency 143.477 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 256 1.07 MB/sec warmup 9 sec latency 179.747 ms 1 287 1.07 MB/sec warmup 10 sec latency 195.683 ms 1 313 1.04 MB/sec warmup 11 sec latency 166.498 ms 1 348 1.04 MB/sec warmup 12 sec latency 143.866 ms 1 381 1.04 MB/sec warmup 13 sec latency 146.365 ms 1 421 1.06 MB/sec warmup 14 sec latency 176.017 ms 1 464 1.08 MB/sec warmup 15 sec latency 144.084 ms 1 501 1.09 MB/sec warmup 16 sec latency 134.843 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3695616 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3700736 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 62464 7396352 1% /mnt/lustre 1 522 1.06 MB/sec warmup 17 sec latency 184.179 ms 1 599 1.16 MB/sec warmup 18 sec latency 130.607 ms 1 658 1.11 MB/sec warmup 19 sec latency 82.021 ms 1 710 0.02 MB/sec execute 1 sec latency 166.912 ms 1 735 0.07 MB/sec execute 2 sec latency 195.926 ms test_26 fail mds1 4 times 1 778 0.06 MB/sec execute 3 sec latency 136.418 ms 1 798 0.07 MB/sec execute 4 sec latency 274.259 ms Failing mds1 on oleg454-server 1 818 0.06 MB/sec execute 5 sec latency 136.833 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 867 0.07 MB/sec execute 6 sec latency 129.492 ms 1 885 0.07 MB/sec execute 7 sec latency 352.982 ms 1 892 0.06 MB/sec execute 8 sec latency 790.275 ms 1 892 0.06 MB/sec execute 9 sec latency 1790.535 ms 1 892 0.05 MB/sec execute 10 sec latency 2790.893 ms 11:22:47 (1787498567) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 892 0.05 MB/sec execute 11 sec latency 3793.670 ms 1 892 0.04 MB/sec execute 12 sec latency 4796.310 ms 1 892 0.04 MB/sec execute 13 sec latency 5798.420 ms 1 892 0.04 MB/sec execute 14 sec latency 6802.874 ms 1 892 0.03 MB/sec execute 15 sec latency 7804.102 ms 1 892 0.03 MB/sec execute 16 sec latency 8804.494 ms 1 892 0.03 MB/sec execute 17 sec latency 9806.635 ms 1 892 0.03 MB/sec execute 18 sec latency 10806.985 ms 1 892 0.03 MB/sec execute 19 sec latency 11809.013 ms 1 892 0.03 MB/sec execute 20 sec latency 12809.275 ms 1 892 0.02 MB/sec execute 21 sec latency 13815.590 ms Failover mds1 to oleg454-server mount facets: mds1 1 892 0.02 MB/sec execute 22 sec latency 14815.870 ms 1 892 0.02 MB/sec execute 23 sec latency 15816.139 ms 1 892 0.02 MB/sec execute 24 sec latency 16816.516 ms 1 892 0.02 MB/sec execute 25 sec latency 17834.481 ms 1 892 0.02 MB/sec execute 26 sec latency 18843.396 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 892 0.02 MB/sec execute 27 sec latency 19845.749 ms 1 892 0.02 MB/sec execute 28 sec latency 20846.417 ms 1 892 0.02 MB/sec execute 29 sec latency 21846.687 ms 1 892 0.02 MB/sec execute 30 sec latency 22848.426 ms 1 892 0.02 MB/sec execute 31 sec latency 23848.905 ms 1 892 0.02 MB/sec execute 32 sec latency 24849.461 ms 1 892 0.02 MB/sec execute 33 sec latency 25850.818 ms 1 892 0.01 MB/sec execute 34 sec latency 26852.652 ms 1 892 0.01 MB/sec execute 35 sec latency 27853.126 ms 1 892 0.01 MB/sec execute 36 sec latency 28853.518 ms 1 892 0.01 MB/sec execute 37 sec latency 29856.089 ms 1 892 0.01 MB/sec execute 38 sec latency 30861.410 ms 1 892 0.01 MB/sec execute 39 sec latency 31861.753 ms 1 892 0.01 MB/sec execute 40 sec latency 32862.056 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 892 0.01 MB/sec execute 41 sec latency 33862.275 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 892 0.01 MB/sec execute 42 sec latency 34867.283 ms Started lustre-MDT0000 1 892 0.01 MB/sec execute 43 sec latency 35869.740 ms 11:23:19 (1787498599) targets are mounted 11:23:19 (1787498599) facet_failover done 1 892 0.01 MB/sec execute 44 sec latency 36870.036 ms 1 892 0.01 MB/sec execute 45 sec latency 37870.443 ms 1 892 0.01 MB/sec execute 46 sec latency 38871.098 ms 1 892 0.01 MB/sec execute 47 sec latency 39871.284 ms 1 892 0.01 MB/sec execute 48 sec latency 40875.451 ms 1 892 0.01 MB/sec execute 49 sec latency 41875.777 ms 1 902 0.01 MB/sec execute 50 sec latency 42663.316 ms 1 918 0.01 MB/sec execute 51 sec latency 453.995 ms 1 967 0.01 MB/sec execute 52 sec latency 117.413 ms 1 983 0.01 MB/sec execute 53 sec latency 274.864 ms 1 1035 0.03 MB/sec execute 54 sec latency 177.625 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1074 0.03 MB/sec execute 55 sec latency 345.074 ms 1 1126 0.03 MB/sec execute 56 sec latency 93.043 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1156 0.03 MB/sec execute 57 sec latency 118.719 ms 1 1190 0.03 MB/sec execute 58 sec latency 132.396 ms 1 1223 0.03 MB/sec execute 59 sec latency 119.233 ms 1 1252 0.03 MB/sec execute 60 sec latency 147.848 ms 1 1382 0.08 MB/sec execute 61 sec latency 115.092 ms 1 1426 0.08 MB/sec execute 62 sec latency 93.274 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1476 0.08 MB/sec execute 63 sec latency 100.590 ms 1 1535 0.08 MB/sec execute 64 sec latency 137.156 ms 1 1593 0.08 MB/sec execute 65 sec latency 59.103 ms 1 1634 0.08 MB/sec execute 66 sec latency 196.208 ms 1 1686 0.08 MB/sec execute 67 sec latency 158.202 ms 1 1740 0.07 MB/sec execute 68 sec latency 117.767 ms 1 1799 0.07 MB/sec execute 69 sec latency 114.581 ms 1 1849 0.07 MB/sec execute 70 sec latency 91.969 ms 1 1886 0.07 MB/sec execute 71 sec latency 352.481 ms 1 1967 0.07 MB/sec execute 72 sec latency 125.922 ms 1 2018 0.07 MB/sec execute 73 sec latency 110.375 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Aug 23 11:23:50 EDT 2026 with return code 0 1 2098 0.07 MB/sec execute 74 sec latency 101.694 ms 47779 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47779 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished