== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:01:38 (1788750098) Starting client oleg404-client.virtnet: -o user_xattr,flock 192.168.204.104@tcp:/lustre /mnt/lustre Started clients oleg404-client.virtnet: 192.168.204.104@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 65626 Started dbench loop with 65627 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3588960 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7194416 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 Sep 6 23:01:45 EDT 2026 waiting for dbench pid 65705 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 14.405 ms 1 55 1.08 MB/sec warmup 2 sec latency 108.309 ms 1 101 1.55 MB/sec warmup 3 sec latency 138.428 ms 1 130 1.44 MB/sec warmup 4 sec latency 181.809 ms 1 157 1.31 MB/sec warmup 5 sec latency 196.530 ms 1 184 1.23 MB/sec warmup 6 sec latency 246.977 ms 1 207 1.16 MB/sec warmup 7 sec latency 494.643 ms 1 234 1.11 MB/sec warmup 8 sec latency 178.949 ms 1 267 1.11 MB/sec warmup 9 sec latency 142.875 ms test_26 fail mds1 1 times 1 297 1.09 MB/sec warmup 10 sec latency 148.616 ms 1 326 1.07 MB/sec warmup 11 sec latency 156.518 ms Failing mds1 on oleg404-server 1 350 1.04 MB/sec warmup 12 sec latency 158.552 ms Stopping /mnt/lustre-mds1 (opts:) on oleg404-server 1 381 1.04 MB/sec warmup 13 sec latency 133.190 ms 1 413 1.04 MB/sec warmup 14 sec latency 161.102 ms 1 413 0.97 MB/sec warmup 15 sec latency 1132.629 ms 1 413 0.91 MB/sec warmup 16 sec latency 2135.021 ms 23:02:01 (1788750121) shut down facet: mds1 facet_host: oleg404-server facet_failover_host: oleg404-server 1 413 0.86 MB/sec warmup 17 sec latency 3136.882 ms 1 413 0.81 MB/sec warmup 18 sec latency 4137.242 ms 1 413 0.77 MB/sec warmup 19 sec latency 5137.775 ms 1 413 0.00 MB/sec execute 1 sec latency 7139.343 ms 1 413 0.00 MB/sec execute 2 sec latency 8143.318 ms 1 413 0.00 MB/sec execute 3 sec latency 9143.507 ms 1 413 0.00 MB/sec execute 4 sec latency 10144.210 ms 1 413 0.00 MB/sec execute 5 sec latency 11146.138 ms 1 413 0.00 MB/sec execute 6 sec latency 12149.055 ms Failover mds1 to oleg404-server 1 413 0.00 MB/sec execute 7 sec latency 13149.199 ms mount facets: mds1 1 413 0.00 MB/sec execute 8 sec latency 14149.428 ms 1 413 0.00 MB/sec execute 9 sec latency 15149.580 ms 1 413 0.00 MB/sec execute 10 sec latency 16149.835 ms 1 413 0.00 MB/sec execute 11 sec latency 17150.065 ms 1 413 0.00 MB/sec execute 12 sec latency 18150.808 ms 1 413 0.00 MB/sec execute 13 sec latency 19152.105 ms 1 413 0.00 MB/sec execute 14 sec latency 20152.309 ms 1 413 0.00 MB/sec execute 15 sec latency 21152.492 ms 1 413 0.00 MB/sec execute 16 sec latency 22156.578 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 413 0.00 MB/sec execute 17 sec latency 23156.848 ms 1 413 0.00 MB/sec execute 18 sec latency 24157.123 ms 1 413 0.00 MB/sec execute 19 sec latency 25157.968 ms 1 413 0.00 MB/sec execute 20 sec latency 26160.801 ms 1 413 0.00 MB/sec execute 21 sec latency 27161.126 ms 1 413 0.00 MB/sec execute 22 sec latency 28162.376 ms 1 413 0.00 MB/sec execute 23 sec latency 29163.133 ms 1 413 0.00 MB/sec execute 24 sec latency 30164.133 ms 1 413 0.00 MB/sec execute 25 sec latency 31165.146 ms 1 413 0.00 MB/sec execute 26 sec latency 32165.537 ms 1 413 0.00 MB/sec execute 27 sec latency 33166.609 ms 1 413 0.00 MB/sec execute 28 sec latency 34167.561 ms 1 413 0.00 MB/sec execute 29 sec latency 35167.921 ms oleg404-server: oleg404-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 30 sec latency 36169.596 ms pdsh@oleg404-client: oleg404-server: ssh exited with exit code 1 1 413 0.00 MB/sec execute 31 sec latency 37172.941 ms Started lustre-MDT0000 23:02:37 (1788750157) targets are mounted 23:02:37 (1788750157) facet_failover done 1 413 0.00 MB/sec execute 32 sec latency 38173.408 ms 1 417 0.00 MB/sec execute 33 sec latency 39073.002 ms 1 449 0.03 MB/sec execute 34 sec latency 160.900 ms 1 481 0.06 MB/sec execute 35 sec latency 144.094 ms 1 511 0.09 MB/sec execute 36 sec latency 155.297 ms 1 542 0.12 MB/sec execute 37 sec latency 202.860 ms 1 572 0.12 MB/sec execute 38 sec latency 834.034 ms 1 616 0.16 MB/sec execute 39 sec latency 129.095 ms oleg404-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 671 0.16 MB/sec execute 40 sec latency 131.529 ms 1 699 0.16 MB/sec execute 41 sec latency 147.583 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 726 0.16 MB/sec execute 42 sec latency 180.173 ms 1 759 0.16 MB/sec execute 43 sec latency 135.665 ms 1 781 0.15 MB/sec execute 44 sec latency 161.019 ms 1 817 0.15 MB/sec execute 45 sec latency 125.613 ms 1 870 0.15 MB/sec execute 46 sec latency 125.584 ms 1 902 0.15 MB/sec execute 47 sec latency 150.051 ms 1 933 0.15 MB/sec execute 48 sec latency 107.973 ms UUID 1K-blocks Used Available Use% Mounted on 1 969 0.15 MB/sec execute 49 sec latency 112.408 ms lustre-MDT0000_UUID 1414116 2072 1269232 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 6288 3597792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 46452 3556436 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 52740 7154228 1% /mnt/lustre 1 993 0.15 MB/sec execute 50 sec latency 157.591 ms 1 1060 0.16 MB/sec execute 51 sec latency 83.157 ms 1 1104 0.16 MB/sec execute 52 sec latency 90.034 ms 1 1145 0.16 MB/sec execute 53 sec latency 109.965 ms 1 1172 0.16 MB/sec execute 54 sec latency 268.933 ms 1 1173 0.15 MB/sec execute 55 sec latency 1238.704 ms 1 1214 0.15 MB/sec execute 56 sec latency 177.873 ms 1 1244 0.15 MB/sec execute 57 sec latency 126.805 ms 1 1377 0.20 MB/sec execute 58 sec latency 100.824 ms test_26 fail mds2 2 times 1 1405 0.19 MB/sec execute 59 sec latency 130.596 ms 1 1446 0.19 MB/sec execute 60 sec latency 145.925 ms 1 1487 0.19 MB/sec execute 61 sec latency 121.110 ms Failing mds2 on oleg404-server 1 1512 0.18 MB/sec execute 62 sec latency 113.395 ms Stopping /mnt/lustre-mds2 (opts:) on oleg404-server 1 1561 0.18 MB/sec execute 63 sec latency 89.547 ms 1 1616 0.18 MB/sec execute 64 sec latency 102.409 ms 1 1670 0.18 MB/sec execute 65 sec latency 83.153 ms 1 1747 0.18 MB/sec execute 66 sec latency 71.627 ms 1 1814 0.17 MB/sec execute 67 sec latency 69.566 ms 1 1868 0.17 MB/sec execute 68 sec latency 114.924 ms 1 1962 0.17 MB/sec execute 69 sec latency 80.165 ms 1 2010 0.17 MB/sec execute 70 sec latency 94.384 ms 1 2063 0.17 MB/sec execute 71 sec latency 92.011 ms 23:03:17 (1788750197) shut down facet: mds2 facet_host: oleg404-server facet_failover_host: oleg404-server 1 2133 0.17 MB/sec execute 72 sec latency 135.523 ms 1 2166 0.17 MB/sec execute 73 sec latency 102.340 ms 1 2243 0.16 MB/sec execute 74 sec latency 102.263 ms 1 2259 0.16 MB/sec execute 75 sec latency 782.865 ms 1 2259 0.16 MB/sec execute 76 sec latency 1783.103 ms 1 2259 0.16 MB/sec execute 77 sec latency 2785.547 ms 1 2259 0.16 MB/sec execute 78 sec latency 3786.009 ms 1 2259 0.15 MB/sec execute 79 sec latency 4786.245 ms 1 2259 0.15 MB/sec execute 80 sec latency 5786.856 ms 1 2259 0.15 MB/sec execute 81 sec latency 6789.197 ms Failover mds2 to oleg404-server mount facets: mds2 1 2259 0.15 MB/sec execute 82 sec latency 7790.936 ms 1 2259 0.15 MB/sec execute 83 sec latency 8791.145 ms 1 2259 0.14 MB/sec execute 84 sec latency 9792.166 ms 1 2259 0.14 MB/sec execute 85 sec latency 10794.425 ms 1 2259 0.14 MB/sec execute 86 sec latency 11794.627 ms 1 2259 0.14 MB/sec execute 87 sec latency 12794.967 ms 1 2259 0.14 MB/sec execute 88 sec latency 13795.259 ms 1 2259 0.14 MB/sec execute 89 sec latency 14795.849 ms 1 2259 0.14 MB/sec execute 90 sec latency 15797.877 ms 1 2259 0.13 MB/sec execute 91 sec latency 16798.916 ms 1 2259 0.13 MB/sec execute 92 sec latency 17799.210 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 93 sec latency 18800.538 ms 1 2259 0.13 MB/sec execute 94 sec latency 19802.556 ms 1 2259 0.13 MB/sec execute 95 sec latency 20803.679 ms 1 2259 0.13 MB/sec execute 96 sec latency 21804.187 ms 1 2259 0.13 MB/sec execute 97 sec latency 22805.008 ms 1 2259 0.12 MB/sec execute 98 sec latency 23805.616 ms 1 2259 0.12 MB/sec execute 99 sec latency 24807.549 ms oleg404-server: oleg404-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg404-client: oleg404-server: ssh exited with exit code 1 1 cleanup 101 sec 1 cleanup 102 sec Started lustre-MDT0001 23:03:48 (1788750228) targets are mounted 23:03:48 (1788750228) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 331 257.497 39072.978 Close 287 11.316 43.057 Rename 11 103.971 180.148 Unlink 30 26.967 63.105 Qpathinfo 295 15.270 98.147 Qfileinfo 80 2.413 33.988 Qfsinfo 33 4.676 22.592 Sfileinfo 34 63.691 116.237 Find 92 13.340 62.794 WriteX 276 14.611 76.102 ReadX 348 3.010 90.189 Flush 30 52.997 150.032 Throughput 0.122848 MB/sec 1 clients 1 procs max_latency=39073.002 ms stopping dbench on /mnt/lustre at Sun Sep 6 23:03:51 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 fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench oleg404-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Sun Sep 6 23:04:02 EDT 2026 waiting for dbench pid 67779 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 7 0.00 MB/sec warmup 1 sec latency 5.181 ms 1 51 1.05 MB/sec warmup 2 sec latency 125.271 ms 1 95 1.41 MB/sec warmup 3 sec latency 180.030 ms 1 128 1.44 MB/sec warmup 4 sec latency 212.158 ms 1 157 1.31 MB/sec warmup 5 sec latency 163.007 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2304 1269000 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10832 3595284 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35800 3569660 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46632 7164944 1% /mnt/lustre 1 184 1.23 MB/sec warmup 6 sec latency 263.045 ms 1 207 1.16 MB/sec warmup 7 sec latency 483.088 ms 1 246 1.17 MB/sec warmup 8 sec latency 139.375 ms 1 279 1.16 MB/sec warmup 9 sec latency 129.794 ms 1 305 1.12 MB/sec warmup 10 sec latency 173.358 ms 1 339 1.11 MB/sec warmup 11 sec latency 143.160 ms 1 339 1.02 MB/sec warmup 12 sec latency 1072.964 ms 1 365 1.00 MB/sec warmup 13 sec latency 1238.717 ms 1 405 1.02 MB/sec warmup 14 sec latency 156.333 ms 1 448 1.04 MB/sec warmup 15 sec latency 116.264 ms test_26 fail mds1 3 times 1 485 1.06 MB/sec warmup 16 sec latency 155.405 ms 1 511 1.04 MB/sec warmup 17 sec latency 196.797 ms Failing mds1 on oleg404-server 1 543 1.06 MB/sec warmup 18 sec latency 178.562 ms 1 639 1.11 MB/sec warmup 19 sec latency 89.430 ms Stopping /mnt/lustre-mds1 (opts:) on oleg404-server 1 688 0.01 MB/sec execute 1 sec latency 704.224 ms 1 688 0.00 MB/sec execute 2 sec latency 1704.454 ms 1 688 0.00 MB/sec execute 3 sec latency 2704.838 ms 23:04:25 (1788750265) shut down facet: mds1 facet_host: oleg404-server facet_failover_host: oleg404-server 1 688 0.00 MB/sec execute 4 sec latency 3705.506 ms 1 688 0.00 MB/sec execute 5 sec latency 4705.764 ms 1 688 0.00 MB/sec execute 6 sec latency 5708.095 ms 1 688 0.00 MB/sec execute 7 sec latency 6708.299 ms 1 688 0.00 MB/sec execute 8 sec latency 7710.277 ms 1 688 0.00 MB/sec execute 9 sec latency 8710.669 ms 1 688 0.00 MB/sec execute 10 sec latency 9711.039 ms 1 688 0.00 MB/sec execute 11 sec latency 10711.263 ms 1 688 0.00 MB/sec execute 12 sec latency 11711.499 ms 1 688 0.00 MB/sec execute 13 sec latency 12711.777 ms Failover mds1 to oleg404-server mount facets: mds1 1 688 0.00 MB/sec execute 14 sec latency 13711.926 ms 1 688 0.00 MB/sec execute 15 sec latency 14712.859 ms 1 688 0.00 MB/sec execute 16 sec latency 15713.854 ms 1 688 0.00 MB/sec execute 17 sec latency 16714.071 ms 1 688 0.00 MB/sec execute 18 sec latency 17714.789 ms 1 688 0.00 MB/sec execute 19 sec latency 18715.069 ms 1 688 0.00 MB/sec execute 20 sec latency 19715.267 ms 1 688 0.00 MB/sec execute 21 sec latency 20715.510 ms 1 688 0.00 MB/sec execute 22 sec latency 21715.821 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 688 0.00 MB/sec execute 23 sec latency 22715.991 ms 1 688 0.00 MB/sec execute 24 sec latency 23718.237 ms 1 688 0.00 MB/sec execute 25 sec latency 24720.459 ms 1 688 0.00 MB/sec execute 26 sec latency 25720.815 ms 1 688 0.00 MB/sec execute 27 sec latency 26721.072 ms 1 688 0.00 MB/sec execute 28 sec latency 27724.335 ms 1 688 0.00 MB/sec execute 29 sec latency 28724.644 ms 1 688 0.00 MB/sec execute 30 sec latency 29725.829 ms 1 688 0.00 MB/sec execute 31 sec latency 30726.087 ms 1 688 0.00 MB/sec execute 32 sec latency 31726.763 ms 1 688 0.00 MB/sec execute 33 sec latency 32727.100 ms 1 688 0.00 MB/sec execute 34 sec latency 33727.369 ms 1 688 0.00 MB/sec execute 35 sec latency 34731.294 ms oleg404-server: oleg404-server.virtnet: executing set_default_debug -1 all 1 688 0.00 MB/sec execute 36 sec latency 35732.519 ms 1 688 0.00 MB/sec execute 37 sec latency 36738.984 ms pdsh@oleg404-client: oleg404-server: ssh exited with exit code 1 1 699 0.00 MB/sec execute 38 sec latency 37356.948 ms Started lustre-MDT0000 23:05:00 (1788750300) targets are mounted 23:05:00 (1788750300) facet_failover done 1 720 0.00 MB/sec execute 39 sec latency 302.781 ms 1 723 0.00 MB/sec execute 40 sec latency 990.630 ms 1 762 0.00 MB/sec execute 41 sec latency 106.150 ms 1 789 0.01 MB/sec execute 42 sec latency 172.497 ms 1 821 0.01 MB/sec execute 43 sec latency 125.588 ms 1 873 0.01 MB/sec execute 44 sec latency 104.030 ms 1 898 0.01 MB/sec execute 45 sec latency 135.450 ms oleg404-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 921 0.01 MB/sec execute 46 sec latency 129.651 ms 1 957 0.01 MB/sec execute 47 sec latency 117.371 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 985 0.02 MB/sec execute 48 sec latency 133.693 ms 1 1041 0.03 MB/sec execute 49 sec latency 115.862 ms 1 1082 0.04 MB/sec execute 50 sec latency 111.885 ms 1 1132 0.04 MB/sec execute 51 sec latency 106.147 ms 1 1180 0.04 MB/sec execute 52 sec latency 121.331 ms 1 1223 0.04 MB/sec execute 53 sec latency 85.012 ms 1 1252 0.04 MB/sec execute 54 sec latency 132.212 ms 1 1319 0.05 MB/sec execute 55 sec latency 132.606 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1393 0.09 MB/sec execute 56 sec latency 527.792 ms 1 1426 0.08 MB/sec execute 57 sec latency 108.163 ms 1 1476 0.08 MB/sec execute 58 sec latency 107.098 ms 1 1522 0.08 MB/sec execute 59 sec latency 87.529 ms 1 1567 0.08 MB/sec execute 60 sec latency 83.176 ms 1 1603 0.08 MB/sec execute 61 sec latency 110.429 ms 1 1642 0.08 MB/sec execute 62 sec latency 130.408 ms 1 1671 0.08 MB/sec execute 63 sec latency 113.626 ms 1 1705 0.08 MB/sec execute 64 sec latency 107.429 ms 1 1775 0.08 MB/sec execute 65 sec latency 78.017 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 6 23:05:28 EDT 2026 with return code 0 1 1821 0.08 MB/sec execute 66 sec latency 105.210 ms 67779 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67779 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished