== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:33:19 (1789522399) Starting client oleg444-client.virtnet: -o user_xattr,flock 192.168.204.144@tcp:/lustre /mnt/lustre Started clients oleg444-client.virtnet: 192.168.204.144@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 65672 Started dbench loop with 65673 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 1414116 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1744 1269560 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 5640 3593084 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7198540 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 15 21:33:28 EDT 2026 waiting for dbench pid 65754 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 0 10 0.00 MB/sec warmup 1 sec latency 144.556 ms 1 36 0.59 MB/sec warmup 2 sec latency 301.879 ms 1 71 1.05 MB/sec warmup 3 sec latency 164.901 ms 1 111 1.31 MB/sec warmup 4 sec latency 171.535 ms 1 129 1.15 MB/sec warmup 5 sec latency 249.024 ms 1 136 1.00 MB/sec warmup 6 sec latency 655.177 ms 1 136 0.86 MB/sec warmup 7 sec latency 1660.835 ms 1 155 0.82 MB/sec warmup 8 sec latency 1996.767 ms 1 174 0.78 MB/sec warmup 9 sec latency 222.100 ms 1 189 0.76 MB/sec warmup 10 sec latency 556.164 ms test_26 fail mds1 1 times 1 215 0.76 MB/sec warmup 11 sec latency 194.057 ms 1 239 0.76 MB/sec warmup 12 sec latency 211.013 ms Failing mds1 on oleg444-server 1 278 0.80 MB/sec warmup 13 sec latency 168.657 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 314 0.82 MB/sec warmup 14 sec latency 187.417 ms 1 341 0.82 MB/sec warmup 15 sec latency 232.828 ms 1 349 0.78 MB/sec warmup 16 sec latency 805.350 ms 1 349 0.74 MB/sec warmup 17 sec latency 1807.451 ms 21:33:46 (1789522426) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 349 0.69 MB/sec warmup 18 sec latency 2807.654 ms 1 349 0.66 MB/sec warmup 19 sec latency 3808.899 ms 1 349 0.00 MB/sec execute 1 sec latency 5813.487 ms 1 349 0.00 MB/sec execute 2 sec latency 6816.201 ms 1 349 0.00 MB/sec execute 3 sec latency 7816.508 ms 1 349 0.00 MB/sec execute 4 sec latency 8816.815 ms 1 349 0.00 MB/sec execute 5 sec latency 9818.145 ms 1 349 0.00 MB/sec execute 6 sec latency 10818.452 ms 1 349 0.00 MB/sec execute 7 sec latency 11818.662 ms Failover mds1 to oleg444-server 1 349 0.00 MB/sec execute 8 sec latency 12819.008 ms mount facets: mds1 1 349 0.00 MB/sec execute 9 sec latency 13819.274 ms 1 349 0.00 MB/sec execute 10 sec latency 14820.038 ms 1 349 0.00 MB/sec execute 11 sec latency 15821.261 ms 1 349 0.00 MB/sec execute 12 sec latency 16821.704 ms 1 349 0.00 MB/sec execute 13 sec latency 17822.105 ms 1 349 0.00 MB/sec execute 14 sec latency 18822.328 ms 1 349 0.00 MB/sec execute 15 sec latency 19825.301 ms 1 349 0.00 MB/sec execute 16 sec latency 20825.627 ms 1 349 0.00 MB/sec execute 17 sec latency 21826.603 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 349 0.00 MB/sec execute 18 sec latency 22828.822 ms 1 349 0.00 MB/sec execute 19 sec latency 23829.643 ms 1 349 0.00 MB/sec execute 20 sec latency 24830.644 ms 1 349 0.00 MB/sec execute 21 sec latency 25834.177 ms 1 349 0.00 MB/sec execute 22 sec latency 26834.407 ms 1 349 0.00 MB/sec execute 23 sec latency 27834.761 ms 1 349 0.00 MB/sec execute 24 sec latency 28835.211 ms 1 349 0.00 MB/sec execute 25 sec latency 29839.879 ms 1 349 0.00 MB/sec execute 26 sec latency 30840.843 ms 1 349 0.00 MB/sec execute 27 sec latency 31841.317 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 349 0.00 MB/sec execute 28 sec latency 32843.462 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 349 0.00 MB/sec execute 29 sec latency 33843.974 ms Started lustre-MDT0000 1 349 0.00 MB/sec execute 30 sec latency 34856.496 ms 21:34:18 (1789522458) targets are mounted 21:34:18 (1789522458) facet_failover done 1 366 0.02 MB/sec execute 31 sec latency 35417.948 ms 1 389 0.04 MB/sec execute 32 sec latency 315.601 ms 1 430 0.08 MB/sec execute 33 sec latency 142.363 ms 1 470 0.11 MB/sec execute 34 sec latency 140.723 ms 1 511 0.15 MB/sec execute 35 sec latency 143.891 ms 1 581 0.20 MB/sec execute 36 sec latency 153.051 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 654 0.23 MB/sec execute 37 sec latency 85.498 ms 1 691 0.23 MB/sec execute 38 sec latency 103.899 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 728 0.22 MB/sec execute 39 sec latency 121.673 ms 1 767 0.22 MB/sec execute 40 sec latency 90.751 ms 1 804 0.22 MB/sec execute 41 sec latency 110.944 ms 1 863 0.22 MB/sec execute 42 sec latency 81.051 ms 1 902 0.21 MB/sec execute 43 sec latency 84.048 ms 1 934 0.21 MB/sec execute 44 sec latency 167.530 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1896 1269408 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 6920 3596424 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 43728 3557412 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 50648 7153836 1% /mnt/lustre 1 969 0.21 MB/sec execute 45 sec latency 127.728 ms 1 995 0.20 MB/sec execute 46 sec latency 177.918 ms 1 1035 0.22 MB/sec execute 47 sec latency 636.315 ms 1 1059 0.22 MB/sec execute 48 sec latency 1081.437 ms 1 1112 0.21 MB/sec execute 49 sec latency 115.286 ms 1 1148 0.21 MB/sec execute 50 sec latency 115.011 ms 1 1192 0.21 MB/sec execute 51 sec latency 81.910 ms 1 1240 0.20 MB/sec execute 52 sec latency 81.597 ms 1 1318 0.22 MB/sec execute 53 sec latency 86.623 ms test_26 fail mds2 2 times 1 1429 0.25 MB/sec execute 54 sec latency 66.331 ms 1 1492 0.25 MB/sec execute 55 sec latency 80.509 ms Failing mds2 on oleg444-server Stopping /mnt/lustre-mds2 (opts:) on oleg444-server 1 1532 0.24 MB/sec execute 56 sec latency 86.119 ms 1 1597 0.24 MB/sec execute 57 sec latency 95.567 ms 1 1646 0.24 MB/sec execute 58 sec latency 231.389 ms 1 1687 0.23 MB/sec execute 59 sec latency 116.930 ms 21:34:47 (1789522487) shut down facet: mds2 facet_host: oleg444-server facet_failover_host: oleg444-server 1 1749 0.23 MB/sec execute 60 sec latency 92.376 ms 1 1820 0.23 MB/sec execute 61 sec latency 65.569 ms 1 1877 0.22 MB/sec execute 62 sec latency 74.361 ms 1 1954 0.22 MB/sec execute 63 sec latency 87.222 ms 1 2002 0.22 MB/sec execute 64 sec latency 115.322 ms 1 2069 0.22 MB/sec execute 65 sec latency 80.063 ms 1 2138 0.21 MB/sec execute 66 sec latency 72.129 ms 1 2181 0.21 MB/sec execute 67 sec latency 93.018 ms 1 2259 0.21 MB/sec execute 68 sec latency 144.926 ms 1 2259 0.21 MB/sec execute 69 sec latency 1145.229 ms Failover mds2 to oleg444-server mount facets: mds2 1 2259 0.20 MB/sec execute 70 sec latency 2145.451 ms 1 2259 0.20 MB/sec execute 71 sec latency 3145.751 ms 1 2259 0.20 MB/sec execute 72 sec latency 4146.239 ms 1 2259 0.20 MB/sec execute 73 sec latency 5146.605 ms 1 2259 0.19 MB/sec execute 74 sec latency 6148.389 ms 1 2259 0.19 MB/sec execute 75 sec latency 7148.668 ms 1 2259 0.19 MB/sec execute 76 sec latency 8150.220 ms 1 2259 0.18 MB/sec execute 77 sec latency 9150.393 ms 1 2259 0.18 MB/sec execute 78 sec latency 10152.137 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.18 MB/sec execute 79 sec latency 11153.235 ms 1 2259 0.18 MB/sec execute 80 sec latency 12155.134 ms 1 2259 0.18 MB/sec execute 81 sec latency 13156.011 ms 1 2259 0.17 MB/sec execute 82 sec latency 14156.424 ms 1 2259 0.17 MB/sec execute 83 sec latency 15159.348 ms 1 2259 0.17 MB/sec execute 84 sec latency 16159.552 ms 1 2259 0.17 MB/sec execute 85 sec latency 17160.475 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 2259 0.17 MB/sec execute 86 sec latency 18161.192 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 2259 0.16 MB/sec execute 87 sec latency 19162.017 ms Started lustre-MDT0001 21:35:16 (1789522516) targets are mounted 21:35:16 (1789522516) facet_failover done 1 2259 0.16 MB/sec execute 88 sec latency 20162.279 ms 1 2333 0.17 MB/sec execute 89 sec latency 20301.595 ms 1 2366 0.17 MB/sec execute 90 sec latency 91.747 ms 1 2396 0.17 MB/sec execute 91 sec latency 121.601 ms 1 2428 0.17 MB/sec execute 92 sec latency 92.228 ms 1 2467 0.17 MB/sec execute 93 sec latency 99.591 ms 1 2503 0.17 MB/sec execute 94 sec latency 134.690 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2583 0.17 MB/sec execute 95 sec latency 106.165 ms 1 2622 0.17 MB/sec execute 96 sec latency 107.328 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2774 0.20 MB/sec execute 97 sec latency 130.543 ms 1 2901 0.21 MB/sec execute 98 sec latency 98.663 ms 1 2978 0.21 MB/sec execute 99 sec latency 100.462 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 423 183.185 35417.926 Close 355 11.607 36.273 Rename 21 84.006 177.893 Unlink 47 25.708 61.026 Qpathinfo 396 15.888 114.805 Qfileinfo 119 1.802 12.747 Qfsinfo 56 4.038 40.381 Sfileinfo 50 56.579 110.922 Find 132 10.847 71.820 WriteX 400 13.004 63.017 ReadX 635 0.999 71.896 LockX 2 13.936 14.649 UnlockX 2 15.632 18.128 Flush 38 51.379 99.347 Throughput 0.211691 MB/sec 1 clients 1 procs max_latency=35417.948 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] stopping dbench on /mnt/lustre at Tue Sep 15 21:35:32 EDT 2026 with return code 0 lustre-OST0000_UUID 3833116 9324 3597524 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 53020 3550908 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 62344 7148432 1% /mnt/lustre clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 Tue Sep 15 21:35:40 EDT 2026 waiting for dbench pid 67969 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 1.05 MB/sec warmup 1 sec latency 25.018 ms test_26 fail mds1 3 times 1 109 2.59 MB/sec warmup 2 sec latency 115.095 ms Failing mds1 on oleg444-server 1 138 2.01 MB/sec warmup 3 sec latency 212.185 ms 1 165 1.70 MB/sec warmup 4 sec latency 180.060 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 184 1.48 MB/sec warmup 5 sec latency 278.036 ms 1 197 1.31 MB/sec warmup 6 sec latency 544.454 ms 1 197 1.12 MB/sec warmup 7 sec latency 1544.713 ms 1 197 0.98 MB/sec warmup 8 sec latency 2545.911 ms 21:35:49 (1789522549) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 197 0.87 MB/sec warmup 9 sec latency 3546.111 ms 1 197 0.78 MB/sec warmup 10 sec latency 4546.333 ms 1 197 0.71 MB/sec warmup 11 sec latency 5547.629 ms 1 197 0.65 MB/sec warmup 12 sec latency 6547.878 ms 1 197 0.60 MB/sec warmup 13 sec latency 7548.425 ms 1 197 0.56 MB/sec warmup 14 sec latency 8550.138 ms 1 197 0.52 MB/sec warmup 15 sec latency 9551.148 ms 1 197 0.49 MB/sec warmup 16 sec latency 10551.664 ms 1 197 0.46 MB/sec warmup 17 sec latency 11552.137 ms 1 197 0.44 MB/sec warmup 18 sec latency 12552.766 ms Failover mds1 to oleg444-server 1 197 0.41 MB/sec warmup 19 sec latency 13557.088 ms mount facets: mds1 1 197 0.00 MB/sec execute 1 sec latency 15563.130 ms 1 197 0.00 MB/sec execute 2 sec latency 16563.462 ms 1 197 0.00 MB/sec execute 3 sec latency 17567.717 ms 1 197 0.00 MB/sec execute 4 sec latency 18571.753 ms 1 197 0.00 MB/sec execute 5 sec latency 19571.950 ms 1 197 0.00 MB/sec execute 6 sec latency 20575.360 ms 1 197 0.00 MB/sec execute 7 sec latency 21575.711 ms 1 197 0.00 MB/sec execute 8 sec latency 22577.983 ms 1 197 0.00 MB/sec execute 9 sec latency 23581.136 ms 1 197 0.00 MB/sec execute 10 sec latency 24581.786 ms 1 197 0.00 MB/sec execute 11 sec latency 25582.113 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 197 0.00 MB/sec execute 12 sec latency 26582.315 ms 1 197 0.00 MB/sec execute 13 sec latency 27583.707 ms 1 197 0.00 MB/sec execute 14 sec latency 28584.725 ms 1 197 0.00 MB/sec execute 15 sec latency 29585.808 ms 1 197 0.00 MB/sec execute 16 sec latency 30588.580 ms 1 197 0.00 MB/sec execute 17 sec latency 31589.421 ms 1 197 0.00 MB/sec execute 18 sec latency 32591.500 ms 1 197 0.00 MB/sec execute 19 sec latency 33592.910 ms 1 197 0.00 MB/sec execute 20 sec latency 34593.548 ms 1 197 0.00 MB/sec execute 21 sec latency 35593.818 ms 1 197 0.00 MB/sec execute 22 sec latency 36596.787 ms 1 197 0.00 MB/sec execute 23 sec latency 37597.085 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 197 0.00 MB/sec execute 24 sec latency 38597.992 ms 1 204 0.01 MB/sec execute 25 sec latency 39251.376 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 233 0.04 MB/sec execute 26 sec latency 180.998 ms Started lustre-MDT0000 21:36:27 (1789522587) targets are mounted 21:36:27 (1789522587) facet_failover done 1 276 0.09 MB/sec execute 27 sec latency 111.272 ms 1 305 0.12 MB/sec execute 28 sec latency 157.839 ms 1 324 0.13 MB/sec execute 29 sec latency 218.607 ms 1 353 0.16 MB/sec execute 30 sec latency 211.376 ms 1 381 0.18 MB/sec execute 31 sec latency 206.741 ms 1 413 0.21 MB/sec execute 32 sec latency 157.085 ms 1 451 0.24 MB/sec execute 33 sec latency 136.568 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 492 0.27 MB/sec execute 34 sec latency 138.953 ms 1 523 0.29 MB/sec execute 35 sec latency 167.658 ms 1 603 0.36 MB/sec execute 36 sec latency 92.126 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 648 0.36 MB/sec execute 37 sec latency 141.383 ms 1 674 0.35 MB/sec execute 38 sec latency 114.034 ms 1 711 0.34 MB/sec execute 39 sec latency 128.239 ms 1 738 0.34 MB/sec execute 40 sec latency 376.481 ms 1 778 0.33 MB/sec execute 41 sec latency 131.068 ms 1 806 0.32 MB/sec execute 42 sec latency 171.750 ms 1 858 0.32 MB/sec execute 43 sec latency 114.471 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2872 1268432 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2632 1268672 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 31476 3568760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26068 3572916 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 57544 7141676 1% /mnt/lustre 1 885 0.31 MB/sec execute 44 sec latency 117.511 ms 1 902 0.31 MB/sec execute 45 sec latency 205.477 ms 1 923 0.30 MB/sec execute 46 sec latency 141.892 ms 1 965 0.30 MB/sec execute 47 sec latency 139.516 ms 1 998 0.29 MB/sec execute 48 sec latency 123.154 ms 1 1072 0.31 MB/sec execute 49 sec latency 76.340 ms 1 1127 0.30 MB/sec execute 50 sec latency 82.775 ms 1 1138 0.30 MB/sec execute 51 sec latency 628.268 ms 1 1181 0.29 MB/sec execute 52 sec latency 129.651 ms 1 1232 0.29 MB/sec execute 53 sec latency 81.040 ms 1 1268 0.28 MB/sec execute 54 sec latency 138.454 ms test_26 fail mds2 4 times 1 1319 0.30 MB/sec execute 55 sec latency 552.481 ms 1 1378 0.32 MB/sec execute 56 sec latency 1317.551 ms Failing mds2 on oleg444-server 1 1415 0.32 MB/sec execute 57 sec latency 239.104 ms Stopping /mnt/lustre-mds2 (opts:) on oleg444-server 1 1451 0.31 MB/sec execute 58 sec latency 113.343 ms 1 1486 0.31 MB/sec execute 59 sec latency 341.080 ms 1 1486 0.30 MB/sec execute 60 sec latency 1341.954 ms 1 1486 0.30 MB/sec execute 61 sec latency 2342.162 ms 1 1486 0.29 MB/sec execute 62 sec latency 3342.381 ms 1 1486 0.29 MB/sec execute 63 sec latency 4342.945 ms 1 1486 0.28 MB/sec execute 64 sec latency 5343.761 ms 1 1486 0.28 MB/sec execute 65 sec latency 6346.201 ms 1 1486 0.28 MB/sec execute 66 sec latency 7346.782 ms 1 1486 0.27 MB/sec execute 67 sec latency 8347.093 ms 21:37:08 (1789522628) shut down facet: mds2 facet_host: oleg444-server facet_failover_host: oleg444-server 1 1486 0.27 MB/sec execute 68 sec latency 9348.014 ms 1 1486 0.26 MB/sec execute 69 sec latency 10348.229 ms 1 1486 0.26 MB/sec execute 70 sec latency 11348.444 ms 1 1486 0.26 MB/sec execute 71 sec latency 12348.673 ms 1 1486 0.25 MB/sec execute 72 sec latency 13348.884 ms 1 1486 0.25 MB/sec execute 73 sec latency 14349.674 ms 1 1486 0.25 MB/sec execute 74 sec latency 15352.387 ms 1 1486 0.24 MB/sec execute 75 sec latency 16352.888 ms 1 1486 0.24 MB/sec execute 76 sec latency 17354.703 ms 1 1486 0.24 MB/sec execute 77 sec latency 18354.899 ms Failover mds2 to oleg444-server mount facets: mds2 1 1486 0.23 MB/sec execute 78 sec latency 19357.704 ms 1 1486 0.23 MB/sec execute 79 sec latency 20358.039 ms 1 1486 0.23 MB/sec execute 80 sec latency 21359.093 ms 1 1486 0.22 MB/sec execute 81 sec latency 22361.284 ms 1 1486 0.22 MB/sec execute 82 sec latency 23362.379 ms 1 1486 0.22 MB/sec execute 83 sec latency 24364.184 ms 1 1486 0.22 MB/sec execute 84 sec latency 25366.911 ms 1 1486 0.21 MB/sec execute 85 sec latency 26370.561 ms 1 1486 0.21 MB/sec execute 86 sec latency 27370.823 ms 1 1486 0.21 MB/sec execute 87 sec latency 28371.053 ms 1 1486 0.21 MB/sec execute 88 sec latency 29372.568 ms 1 1486 0.20 MB/sec execute 89 sec latency 30372.863 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1486 0.20 MB/sec execute 90 sec latency 31375.072 ms 1 1486 0.20 MB/sec execute 91 sec latency 32379.938 ms 1 1486 0.20 MB/sec execute 92 sec latency 33381.178 ms 1 1486 0.20 MB/sec execute 93 sec latency 34382.637 ms 1 1486 0.19 MB/sec execute 94 sec latency 35387.865 ms 1 1486 0.19 MB/sec execute 95 sec latency 36388.609 ms 1 1486 0.19 MB/sec execute 96 sec latency 37390.554 ms 1 1486 0.19 MB/sec execute 97 sec latency 38390.863 ms 1 1486 0.19 MB/sec execute 98 sec latency 39391.825 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 1486 0.18 MB/sec execute 99 sec latency 40395.219 ms 1 cleanup 100 sec pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 21:37:42 (1789522662) targets are mounted 21:37:42 (1789522662) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 184 519.375 41760.653 Close 166 14.915 41.199 Rename 10 156.139 628.239 Unlink 19 34.761 72.361 Qpathinfo 114 20.515 239.078 Qfileinfo 76 2.396 12.069 Qfsinfo 33 4.078 15.289 Sfileinfo 34 63.353 124.030 Find 51 16.232 128.884 WriteX 347 16.612 81.800 ReadX 231 0.112 2.403 Flush 25 57.425 114.011 Throughput 0.183597 MB/sec 1 clients 1 procs max_latency=40395.219 ms stopping dbench on /mnt/lustre at Tue Sep 15 21:37:46 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 15 21:37:55 EDT 2026 waiting for dbench pid 69968 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 0 9 0.00 MB/sec warmup 1 sec latency 9.417 ms 1 76 1.64 MB/sec warmup 2 sec latency 124.973 ms 1 114 1.75 MB/sec warmup 3 sec latency 244.492 ms 1 140 1.50 MB/sec warmup 4 sec latency 227.568 ms 1 158 1.31 MB/sec warmup 5 sec latency 226.662 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 181 1.22 MB/sec warmup 6 sec latency 191.230 ms 1 197 1.12 MB/sec warmup 7 sec latency 441.006 ms 1 232 1.11 MB/sec warmup 8 sec latency 256.284 ms 1 275 1.14 MB/sec warmup 9 sec latency 131.366 ms 1 309 1.13 MB/sec warmup 10 sec latency 181.252 ms 1 331 1.09 MB/sec warmup 11 sec latency 199.575 ms 1 344 1.02 MB/sec warmup 12 sec latency 275.042 ms 1 374 1.02 MB/sec warmup 13 sec latency 144.869 ms 1 417 1.05 MB/sec warmup 14 sec latency 108.677 ms 1 453 1.06 MB/sec warmup 15 sec latency 133.984 ms 1 493 1.07 MB/sec warmup 16 sec latency 107.597 ms 1 522 1.06 MB/sec warmup 17 sec latency 164.857 ms 1 603 1.16 MB/sec warmup 18 sec latency 103.239 ms 1 663 1.11 MB/sec warmup 19 sec latency 138.234 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 21:38:16 EDT 2026 with return code 0 69968 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69968 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished