== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:15:52 (1787861752) Starting client oleg358-client.virtnet: -o user_xattr,flock 192.168.203.158@tcp:/lustre /mnt/lustre Started clients oleg358-client.virtnet: 192.168.203.158@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 45216 Started dbench loop with 45217 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 3730432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7495680 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 Thu Aug 27 16:15:59 EDT 2026 waiting for dbench pid 45286 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 25.549 ms 1 62 1.31 MB/sec warmup 2 sec latency 211.899 ms 1 110 1.75 MB/sec warmup 3 sec latency 164.864 ms 1 137 1.50 MB/sec warmup 4 sec latency 208.628 ms 1 162 1.33 MB/sec warmup 5 sec latency 170.614 ms 1 197 1.31 MB/sec warmup 6 sec latency 156.966 ms test_26 fail mds1 1 times 1 220 1.21 MB/sec warmup 7 sec latency 233.119 ms 1 250 1.17 MB/sec warmup 8 sec latency 152.668 ms Failing mds1 on oleg358-server 1 279 1.16 MB/sec warmup 9 sec latency 211.188 ms Stopping /mnt/lustre-mds1 (opts:) on oleg358-server 1 305 1.12 MB/sec warmup 10 sec latency 195.615 ms 1 326 1.07 MB/sec warmup 11 sec latency 234.953 ms 1 339 1.02 MB/sec warmup 12 sec latency 677.039 ms 1 339 0.94 MB/sec warmup 13 sec latency 1677.336 ms 1 339 0.87 MB/sec warmup 14 sec latency 2678.751 ms 16:16:14 (1787861774) shut down 1 339 0.82 MB/sec warmup 15 sec latency 3679.481 ms facet: mds1 facet_host: oleg358-server facet_failover_host: oleg358-server 1 339 0.77 MB/sec warmup 16 sec latency 4680.104 ms 1 339 0.72 MB/sec warmup 17 sec latency 5680.301 ms 1 339 0.68 MB/sec warmup 18 sec latency 6680.634 ms 1 339 0.64 MB/sec warmup 19 sec latency 7680.898 ms 1 339 0.00 MB/sec execute 1 sec latency 9681.373 ms 1 339 0.00 MB/sec execute 2 sec latency 10682.589 ms 1 339 0.00 MB/sec execute 3 sec latency 11682.841 ms 1 339 0.00 MB/sec execute 4 sec latency 12683.077 ms 1 339 0.00 MB/sec execute 5 sec latency 13683.279 ms Failover mds1 to oleg358-server mount facets: mds1 1 339 0.00 MB/sec execute 6 sec latency 14690.106 ms 1 339 0.00 MB/sec execute 7 sec latency 15690.345 ms 1 339 0.00 MB/sec execute 8 sec latency 16690.821 ms 1 339 0.00 MB/sec execute 9 sec latency 17691.664 ms 1 339 0.00 MB/sec execute 10 sec latency 18692.305 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 11 sec latency 19692.908 ms 1 339 0.00 MB/sec execute 12 sec latency 20693.464 ms 1 339 0.00 MB/sec execute 13 sec latency 21693.691 ms 1 339 0.00 MB/sec execute 14 sec latency 22705.643 ms 1 339 0.00 MB/sec execute 15 sec latency 23706.081 ms 1 339 0.00 MB/sec execute 16 sec latency 24706.434 ms oleg358-server: oleg358-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 17 sec latency 25706.607 ms 1 339 0.00 MB/sec execute 18 sec latency 26707.811 ms pdsh@oleg358-client: oleg358-server: ssh exited with exit code 1 Started lustre-MDT0000 1 339 0.00 MB/sec execute 19 sec latency 27720.651 ms 16:16:38 (1787861798) targets are mounted 16:16:38 (1787861798) facet_failover done 1 339 0.00 MB/sec execute 20 sec latency 28720.983 ms 1 339 0.00 MB/sec execute 21 sec latency 29722.572 ms 1 339 0.00 MB/sec execute 22 sec latency 30722.773 ms 1 339 0.00 MB/sec execute 23 sec latency 31723.034 ms 1 339 0.00 MB/sec execute 24 sec latency 32726.758 ms 1 339 0.00 MB/sec execute 25 sec latency 33727.353 ms 1 339 0.00 MB/sec execute 26 sec latency 34727.856 ms 1 339 0.00 MB/sec execute 27 sec latency 35728.240 ms 1 339 0.00 MB/sec execute 28 sec latency 36728.784 ms 1 339 0.00 MB/sec execute 29 sec latency 37730.188 ms 1 339 0.00 MB/sec execute 30 sec latency 38730.917 ms 1 339 0.00 MB/sec execute 31 sec latency 39731.168 ms 1 339 0.00 MB/sec execute 32 sec latency 40732.761 ms 1 347 0.01 MB/sec execute 33 sec latency 41315.921 ms 1 381 0.04 MB/sec execute 34 sec latency 167.676 ms 1 414 0.07 MB/sec execute 35 sec latency 159.488 ms 1 448 0.09 MB/sec execute 36 sec latency 150.048 ms 1 483 0.12 MB/sec execute 37 sec latency 160.728 ms 1 510 0.14 MB/sec execute 38 sec latency 241.820 ms 1 541 0.18 MB/sec execute 39 sec latency 224.834 ms oleg358-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 612 0.22 MB/sec execute 40 sec latency 143.530 ms 1 654 0.21 MB/sec execute 41 sec latency 142.178 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 674 0.21 MB/sec execute 42 sec latency 279.829 ms 1 699 0.21 MB/sec execute 43 sec latency 180.151 ms 1 721 0.20 MB/sec execute 44 sec latency 180.375 ms 1 741 0.20 MB/sec execute 45 sec latency 190.670 ms 1 779 0.20 MB/sec execute 46 sec latency 128.875 ms 1 799 0.20 MB/sec execute 47 sec latency 342.544 ms 1 825 0.19 MB/sec execute 48 sec latency 143.744 ms 1 870 0.19 MB/sec execute 49 sec latency 153.317 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3716096 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7443456 1% /mnt/lustre 1 882 0.19 MB/sec execute 50 sec latency 323.372 ms 1 905 0.18 MB/sec execute 51 sec latency 161.825 ms 1 918 0.18 MB/sec execute 52 sec latency 372.448 ms 1 957 0.18 MB/sec execute 53 sec latency 153.006 ms 1 980 0.18 MB/sec execute 54 sec latency 234.044 ms 1 1026 0.19 MB/sec execute 55 sec latency 269.221 ms 1 1063 0.19 MB/sec execute 56 sec latency 102.318 ms test_26 fail mds1 2 times 1 1118 0.19 MB/sec execute 57 sec latency 69.562 ms 1 1147 0.18 MB/sec execute 58 sec latency 109.231 ms Failing mds1 on oleg358-server 1 1182 0.18 MB/sec execute 59 sec latency 101.455 ms Stopping /mnt/lustre-mds1 (opts:) on oleg358-server 1 1221 0.18 MB/sec execute 60 sec latency 117.436 ms 1 1242 0.18 MB/sec execute 61 sec latency 449.180 ms 1 1242 0.17 MB/sec execute 62 sec latency 1450.336 ms 1 1242 0.17 MB/sec execute 63 sec latency 2450.789 ms 16:17:22 (1787861842) shut down facet: mds1 facet_host: oleg358-server facet_failover_host: oleg358-server 1 1242 0.17 MB/sec execute 64 sec latency 3451.113 ms 1 1242 0.17 MB/sec execute 65 sec latency 4451.390 ms 1 1242 0.16 MB/sec execute 66 sec latency 5452.935 ms 1 1242 0.16 MB/sec execute 67 sec latency 6453.119 ms 1 1242 0.16 MB/sec execute 68 sec latency 7453.338 ms 1 1242 0.16 MB/sec execute 69 sec latency 8453.630 ms 1 1242 0.15 MB/sec execute 70 sec latency 9455.126 ms 1 1242 0.15 MB/sec execute 71 sec latency 10455.386 ms 1 1242 0.15 MB/sec execute 72 sec latency 11457.113 ms 1 1242 0.15 MB/sec execute 73 sec latency 12457.334 ms Failover mds1 to oleg358-server mount facets: mds1 1 1242 0.15 MB/sec execute 74 sec latency 13459.829 ms 1 1242 0.14 MB/sec execute 75 sec latency 14460.083 ms 1 1242 0.14 MB/sec execute 76 sec latency 15460.667 ms 1 1242 0.14 MB/sec execute 77 sec latency 16460.856 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1242 0.14 MB/sec execute 78 sec latency 17461.124 ms 1 1242 0.14 MB/sec execute 79 sec latency 18463.392 ms 1 1242 0.14 MB/sec execute 80 sec latency 19463.898 ms 1 1242 0.13 MB/sec execute 81 sec latency 20467.516 ms 1 1242 0.13 MB/sec execute 82 sec latency 21471.877 ms 1 1242 0.13 MB/sec execute 83 sec latency 22472.441 ms 1 1242 0.13 MB/sec execute 84 sec latency 23473.927 ms 1 1242 0.13 MB/sec execute 85 sec latency 24474.244 ms 1 1242 0.13 MB/sec execute 86 sec latency 25476.520 ms 1 1242 0.12 MB/sec execute 87 sec latency 26479.866 ms 1 1242 0.12 MB/sec execute 88 sec latency 27480.512 ms 1 1242 0.12 MB/sec execute 89 sec latency 28484.703 ms 1 1242 0.12 MB/sec execute 90 sec latency 29489.648 ms 1 1242 0.12 MB/sec execute 91 sec latency 30493.159 ms 1 1242 0.12 MB/sec execute 92 sec latency 31494.545 ms 1 1242 0.12 MB/sec execute 93 sec latency 32494.869 ms oleg358-server: oleg358-server.virtnet: executing set_default_debug -1 all 1 1242 0.11 MB/sec execute 94 sec latency 33495.701 ms pdsh@oleg358-client: oleg358-server: ssh exited with exit code 1 1 1242 0.11 MB/sec execute 95 sec latency 34508.798 ms 1 1242 0.11 MB/sec execute 96 sec latency 35509.520 ms Started lustre-MDT0000 16:17:56 (1787861876) targets are mounted 16:17:56 (1787861876) facet_failover done 1 1242 0.11 MB/sec execute 97 sec latency 36509.831 ms 1 1242 0.11 MB/sec execute 98 sec latency 37511.957 ms 1 1242 0.11 MB/sec execute 99 sec latency 38512.381 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 130 748.895 44198.280 Close 119 14.616 42.107 Rename 9 99.539 154.487 Unlink 14 36.062 79.633 Qpathinfo 84 25.308 102.297 Qfileinfo 52 2.291 10.012 Qfsinfo 28 4.615 34.769 Sfileinfo 30 72.350 117.778 Find 37 8.742 30.872 WriteX 249 14.606 79.032 ReadX 128 5.416 80.075 Flush 24 158.217 372.432 Throughput 0.109081 MB/sec 1 clients 1 procs max_latency=41315.921 ms stopping dbench on /mnt/lustre at Thu Aug 27 16:18:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg358-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 Thu Aug 27 16:18:16 EDT 2026 waiting for dbench pid 47248 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 26 0.79 MB/sec warmup 1 sec latency 24.050 ms 1 91 2.10 MB/sec warmup 2 sec latency 144.816 ms 1 132 1.92 MB/sec warmup 3 sec latency 137.599 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3738624 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3713024 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7451648 1% /mnt/lustre 1 155 1.63 MB/sec warmup 4 sec latency 196.608 ms 1 181 1.46 MB/sec warmup 5 sec latency 206.426 ms 1 200 1.30 MB/sec warmup 6 sec latency 222.788 ms 1 231 1.27 MB/sec warmup 7 sec latency 161.107 ms 1 266 1.24 MB/sec warmup 8 sec latency 154.588 ms 1 297 1.22 MB/sec warmup 9 sec latency 161.601 ms 1 328 1.19 MB/sec warmup 10 sec latency 159.164 ms test_26 fail mds1 3 times 1 357 1.16 MB/sec warmup 11 sec latency 153.766 ms 1 387 1.14 MB/sec warmup 12 sec latency 154.231 ms Failing mds1 on oleg358-server 1 421 1.14 MB/sec warmup 13 sec latency 123.264 ms 1 453 1.13 MB/sec warmup 14 sec latency 166.042 ms Stopping /mnt/lustre-mds1 (opts:) on oleg358-server 1 498 1.15 MB/sec warmup 15 sec latency 154.967 ms 1 501 1.09 MB/sec warmup 16 sec latency 955.108 ms 1 501 1.02 MB/sec warmup 17 sec latency 1956.125 ms 16:18:34 (1787861914) shut down facet: mds1 facet_host: oleg358-server facet_failover_host: oleg358-server 1 501 0.97 MB/sec warmup 18 sec latency 2956.796 ms 1 501 0.92 MB/sec warmup 19 sec latency 3960.089 ms 1 501 0.00 MB/sec execute 1 sec latency 5961.129 ms 1 501 0.00 MB/sec execute 2 sec latency 6961.680 ms 1 501 0.00 MB/sec execute 3 sec latency 7961.918 ms 1 501 0.00 MB/sec execute 4 sec latency 8963.252 ms 1 501 0.00 MB/sec execute 5 sec latency 9963.692 ms 1 501 0.00 MB/sec execute 6 sec latency 10966.704 ms 1 501 0.00 MB/sec execute 7 sec latency 11967.049 ms 1 501 0.00 MB/sec execute 8 sec latency 12967.477 ms Failover mds1 to oleg358-server mount facets: mds1 1 501 0.00 MB/sec execute 9 sec latency 13968.086 ms 1 501 0.00 MB/sec execute 10 sec latency 14968.514 ms 1 501 0.00 MB/sec execute 11 sec latency 15968.731 ms 1 501 0.00 MB/sec execute 12 sec latency 16969.111 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 501 0.00 MB/sec execute 13 sec latency 17969.354 ms 1 501 0.00 MB/sec execute 14 sec latency 18969.674 ms 1 501 0.00 MB/sec execute 15 sec latency 19969.957 ms 1 501 0.00 MB/sec execute 16 sec latency 20970.207 ms 1 501 0.00 MB/sec execute 17 sec latency 21970.409 ms 1 501 0.00 MB/sec execute 18 sec latency 22970.742 ms 1 501 0.00 MB/sec execute 19 sec latency 23973.625 ms 1 501 0.00 MB/sec execute 20 sec latency 24977.510 ms 1 501 0.00 MB/sec execute 21 sec latency 25977.738 ms 1 501 0.00 MB/sec execute 22 sec latency 26979.478 ms 1 501 0.00 MB/sec execute 23 sec latency 27979.649 ms 1 501 0.00 MB/sec execute 24 sec latency 28980.111 ms 1 501 0.00 MB/sec execute 25 sec latency 29980.501 ms 1 501 0.00 MB/sec execute 26 sec latency 30985.904 ms 1 501 0.00 MB/sec execute 27 sec latency 31986.116 ms 1 501 0.00 MB/sec execute 28 sec latency 32986.699 ms oleg358-server: oleg358-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 33989.013 ms pdsh@oleg358-client: oleg358-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 34990.321 ms Started lustre-MDT0000 16:19:06 (1787861946) targets are mounted 16:19:06 (1787861946) facet_failover done 1 501 0.00 MB/sec execute 31 sec latency 35991.352 ms 1 501 0.00 MB/sec execute 32 sec latency 36992.793 ms 1 501 0.00 MB/sec execute 33 sec latency 37999.615 ms 1 501 0.00 MB/sec execute 34 sec latency 39000.367 ms 1 501 0.00 MB/sec execute 35 sec latency 40000.631 ms 1 501 0.00 MB/sec execute 36 sec latency 41001.793 ms 1 501 0.00 MB/sec execute 37 sec latency 42004.379 ms 1 501 0.00 MB/sec execute 38 sec latency 43004.988 ms 1 501 0.00 MB/sec execute 39 sec latency 44006.026 ms 1 501 0.00 MB/sec execute 40 sec latency 45006.470 ms 1 501 0.00 MB/sec execute 41 sec latency 46008.195 ms 1 501 0.00 MB/sec execute 42 sec latency 47009.774 ms 1 501 0.00 MB/sec execute 43 sec latency 48010.510 ms 1 501 0.00 MB/sec execute 44 sec latency 49011.510 ms 1 501 0.00 MB/sec execute 45 sec latency 50014.794 ms 1 501 0.00 MB/sec execute 46 sec latency 51015.029 ms 1 501 0.00 MB/sec execute 47 sec latency 52015.393 ms 1 501 0.00 MB/sec execute 48 sec latency 53015.643 ms 1 501 0.00 MB/sec execute 49 sec latency 54018.038 ms 1 522 0.01 MB/sec execute 50 sec latency 54238.132 ms 1 563 0.03 MB/sec execute 51 sec latency 263.496 ms 1 609 0.07 MB/sec execute 52 sec latency 136.334 ms 1 654 0.07 MB/sec execute 53 sec latency 171.918 ms 1 671 0.07 MB/sec execute 54 sec latency 395.209 ms 1 697 0.07 MB/sec execute 55 sec latency 152.408 ms oleg358-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.07 MB/sec execute 56 sec latency 180.394 ms 1 740 0.07 MB/sec execute 57 sec latency 278.800 ms 1 776 0.07 MB/sec execute 58 sec latency 129.935 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.07 MB/sec execute 59 sec latency 364.307 ms 1 809 0.07 MB/sec execute 60 sec latency 133.900 ms 1 865 0.07 MB/sec execute 61 sec latency 99.595 ms 1 885 0.07 MB/sec execute 62 sec latency 289.470 ms 1 916 0.07 MB/sec execute 63 sec latency 164.218 ms 1 955 0.07 MB/sec execute 64 sec latency 119.434 ms 1 980 0.07 MB/sec execute 65 sec latency 256.520 ms 1 1028 0.08 MB/sec execute 66 sec latency 291.733 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1085 0.08 MB/sec execute 67 sec latency 73.711 ms 1 1145 0.08 MB/sec execute 68 sec latency 76.523 ms 1 1190 0.08 MB/sec execute 69 sec latency 123.009 ms 1 1224 0.08 MB/sec execute 70 sec latency 103.656 ms 1 1255 0.08 MB/sec execute 71 sec latency 139.751 ms 1 1382 0.12 MB/sec execute 72 sec latency 104.523 ms 1 1419 0.12 MB/sec execute 73 sec latency 129.052 ms 1 1459 0.12 MB/sec execute 74 sec latency 98.182 ms 1 1486 0.11 MB/sec execute 75 sec latency 506.657 ms 1 1516 0.11 MB/sec execute 76 sec latency 138.230 ms 1 1570 0.11 MB/sec execute 77 sec latency 78.666 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 16:19:54 EDT 2026 with return code 0 1 1609 0.11 MB/sec execute 78 sec latency 76.537 ms 47248 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47248 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished