== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:52:41 (1787910761) Starting client oleg155-client.virtnet: -o user_xattr,flock 192.168.201.155@tcp:/lustre /mnt/lustre Started clients oleg155-client.virtnet: 192.168.201.155@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 65684 Started dbench loop with 65685 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9756 3588948 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7194424 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 Fri Aug 28 05:52:48 EDT 2026 waiting for dbench pid 65764 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 5 0.00 MB/sec warmup 1 sec latency 122.990 ms 1 35 0.56 MB/sec warmup 2 sec latency 145.793 ms 1 91 1.40 MB/sec warmup 3 sec latency 116.296 ms 1 120 1.37 MB/sec warmup 4 sec latency 245.024 ms 1 150 1.26 MB/sec warmup 5 sec latency 156.563 ms 1 157 1.09 MB/sec warmup 6 sec latency 720.461 ms 1 165 0.97 MB/sec warmup 7 sec latency 1524.614 ms 1 184 0.92 MB/sec warmup 8 sec latency 273.007 ms 1 213 0.92 MB/sec warmup 9 sec latency 457.683 ms 1 247 0.94 MB/sec warmup 10 sec latency 148.583 ms test_26 fail mds1 1 times 1 275 0.93 MB/sec warmup 11 sec latency 221.747 ms 1 296 0.91 MB/sec warmup 12 sec latency 216.243 ms Failing mds1 on oleg155-server 1 318 0.88 MB/sec warmup 13 sec latency 184.992 ms Stopping /mnt/lustre-mds1 (opts:) on oleg155-server 1 342 0.87 MB/sec warmup 14 sec latency 201.455 ms 1 373 0.88 MB/sec warmup 15 sec latency 157.410 ms 1 380 0.84 MB/sec warmup 16 sec latency 789.629 ms 1 380 0.80 MB/sec warmup 17 sec latency 1790.116 ms 1 380 0.75 MB/sec warmup 18 sec latency 2790.287 ms 05:53:06 (1787910786) shut down facet: mds1 facet_host: oleg155-server facet_failover_host: oleg155-server 1 380 0.71 MB/sec warmup 19 sec latency 3790.753 ms 1 380 0.00 MB/sec execute 1 sec latency 5791.266 ms 1 380 0.00 MB/sec execute 2 sec latency 6792.084 ms 1 380 0.00 MB/sec execute 3 sec latency 7792.350 ms 1 380 0.00 MB/sec execute 4 sec latency 8792.630 ms 1 380 0.00 MB/sec execute 5 sec latency 9795.064 ms 1 380 0.00 MB/sec execute 6 sec latency 10795.351 ms 1 380 0.00 MB/sec execute 7 sec latency 11795.806 ms 1 380 0.00 MB/sec execute 8 sec latency 12796.008 ms Failover mds1 to oleg155-server mount facets: mds1 1 380 0.00 MB/sec execute 9 sec latency 13796.250 ms 1 380 0.00 MB/sec execute 10 sec latency 14799.093 ms 1 380 0.00 MB/sec execute 11 sec latency 15799.330 ms 1 380 0.00 MB/sec execute 12 sec latency 16799.746 ms 1 380 0.00 MB/sec execute 13 sec latency 17800.009 ms 1 380 0.00 MB/sec execute 14 sec latency 18808.410 ms 1 380 0.00 MB/sec execute 15 sec latency 19808.829 ms 1 380 0.00 MB/sec execute 16 sec latency 20810.628 ms 1 380 0.00 MB/sec execute 17 sec latency 21812.614 ms 1 380 0.00 MB/sec execute 18 sec latency 22812.836 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 380 0.00 MB/sec execute 19 sec latency 23816.012 ms 1 380 0.00 MB/sec execute 20 sec latency 24816.340 ms 1 380 0.00 MB/sec execute 21 sec latency 25817.283 ms 1 380 0.00 MB/sec execute 22 sec latency 26817.439 ms 1 380 0.00 MB/sec execute 23 sec latency 27821.046 ms 1 380 0.00 MB/sec execute 24 sec latency 28821.248 ms 1 380 0.00 MB/sec execute 25 sec latency 29821.596 ms 1 380 0.00 MB/sec execute 26 sec latency 30821.831 ms 1 380 0.00 MB/sec execute 27 sec latency 31822.563 ms 1 380 0.00 MB/sec execute 28 sec latency 32822.819 ms 1 380 0.00 MB/sec execute 29 sec latency 33827.257 ms 1 380 0.00 MB/sec execute 30 sec latency 34831.174 ms 1 380 0.00 MB/sec execute 31 sec latency 35833.103 ms 1 380 0.00 MB/sec execute 32 sec latency 36833.537 ms oleg155-server: oleg155-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 33 sec latency 37834.022 ms pdsh@oleg155-client: oleg155-server: ssh exited with exit code 1 1 380 0.00 MB/sec execute 34 sec latency 38836.397 ms Started lustre-MDT0000 05:53:43 (1787910823) targets are mounted 05:53:43 (1787910823) facet_failover done 1 397 0.01 MB/sec execute 35 sec latency 39304.686 ms 1 430 0.04 MB/sec execute 36 sec latency 162.849 ms 1 461 0.07 MB/sec execute 37 sec latency 155.974 ms 1 496 0.10 MB/sec execute 38 sec latency 156.652 ms 1 522 0.11 MB/sec execute 39 sec latency 178.461 ms 1 552 0.14 MB/sec execute 40 sec latency 433.769 ms 1 618 0.18 MB/sec execute 41 sec latency 459.288 ms 1 671 0.18 MB/sec execute 42 sec latency 116.947 ms oleg155-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 700 0.18 MB/sec execute 43 sec latency 133.831 ms 1 731 0.18 MB/sec execute 44 sec latency 136.371 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.17 MB/sec execute 45 sec latency 129.220 ms 1 789 0.17 MB/sec execute 46 sec latency 174.422 ms 1 815 0.17 MB/sec execute 47 sec latency 127.220 ms 1 851 0.17 MB/sec execute 48 sec latency 210.132 ms 1 890 0.17 MB/sec execute 49 sec latency 105.989 ms 1 919 0.16 MB/sec execute 50 sec latency 141.720 ms 1 952 0.16 MB/sec execute 51 sec latency 125.349 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33056 3568260 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19000 3585292 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52056 7153552 1% /mnt/lustre 1 979 0.16 MB/sec execute 52 sec latency 139.100 ms 1 1007 0.16 MB/sec execute 53 sec latency 134.588 ms 1 1060 0.17 MB/sec execute 54 sec latency 120.771 ms 1 1105 0.17 MB/sec execute 55 sec latency 71.265 ms 1 1147 0.17 MB/sec execute 56 sec latency 97.963 ms 1 1172 0.17 MB/sec execute 57 sec latency 299.964 ms 1 1173 0.16 MB/sec execute 58 sec latency 1167.324 ms 1 1201 0.16 MB/sec execute 59 sec latency 222.005 ms 1 1242 0.16 MB/sec execute 60 sec latency 85.131 ms 1 1378 0.20 MB/sec execute 61 sec latency 95.524 ms test_26 fail mds2 2 times 1 1410 0.20 MB/sec execute 62 sec latency 138.385 ms 1 1448 0.20 MB/sec execute 63 sec latency 101.051 ms Failing mds2 on oleg155-server 1 1489 0.19 MB/sec execute 64 sec latency 134.118 ms Stopping /mnt/lustre-mds2 (opts:) on oleg155-server 1 1520 0.19 MB/sec execute 65 sec latency 182.947 ms 1 1572 0.19 MB/sec execute 66 sec latency 118.853 ms 1 1621 0.19 MB/sec execute 67 sec latency 91.922 ms 05:54:16 (1787910856) shut down 1 1665 0.19 MB/sec execute 68 sec latency 106.709 ms facet: mds2 facet_host: oleg155-server facet_failover_host: oleg155-server 1 1740 0.18 MB/sec execute 69 sec latency 94.043 ms 1 1814 0.18 MB/sec execute 70 sec latency 68.583 ms 1 1861 0.18 MB/sec execute 71 sec latency 112.718 ms 1 1958 0.18 MB/sec execute 72 sec latency 98.446 ms 1 2022 0.18 MB/sec execute 73 sec latency 59.902 ms 1 2103 0.18 MB/sec execute 74 sec latency 108.581 ms 1 2162 0.17 MB/sec execute 75 sec latency 109.123 ms 1 2231 0.17 MB/sec execute 76 sec latency 84.411 ms 1 2259 0.17 MB/sec execute 77 sec latency 752.925 ms 1 2259 0.17 MB/sec execute 78 sec latency 1755.917 ms Failover mds2 to oleg155-server mount facets: mds2 1 2259 0.17 MB/sec execute 79 sec latency 2756.118 ms 1 2259 0.16 MB/sec execute 80 sec latency 3756.424 ms 1 2259 0.16 MB/sec execute 81 sec latency 4758.379 ms 1 2259 0.16 MB/sec execute 82 sec latency 5758.676 ms 1 2259 0.16 MB/sec execute 83 sec latency 6759.559 ms 1 2259 0.16 MB/sec execute 84 sec latency 7760.168 ms 1 2259 0.16 MB/sec execute 85 sec latency 8761.354 ms 1 2259 0.15 MB/sec execute 86 sec latency 9761.534 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 87 sec latency 10761.787 ms 1 2259 0.15 MB/sec execute 88 sec latency 11763.231 ms 1 2259 0.15 MB/sec execute 89 sec latency 12764.763 ms 1 2259 0.15 MB/sec execute 90 sec latency 13765.290 ms 1 2259 0.14 MB/sec execute 91 sec latency 14765.877 ms oleg155-server: oleg155-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 92 sec latency 15766.135 ms pdsh@oleg155-client: oleg155-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 93 sec latency 16766.662 ms Started lustre-MDT0001 05:54:41 (1787910881) targets are mounted 05:54:41 (1787910881) facet_failover done 1 2259 0.14 MB/sec execute 94 sec latency 17768.059 ms 1 2259 0.14 MB/sec execute 95 sec latency 18768.287 ms 1 2345 0.15 MB/sec execute 96 sec latency 18807.088 ms 1 2388 0.15 MB/sec execute 97 sec latency 92.947 ms 1 2434 0.15 MB/sec execute 98 sec latency 120.402 ms 1 2477 0.15 MB/sec execute 99 sec latency 77.260 ms oleg155-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 100 sec 1 cleanup 101 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 366 108.246 18807.068 Close 315 136.296 39304.654 Rename 15 101.092 174.394 Unlink 37 28.129 65.054 Qpathinfo 337 16.521 123.430 Qfileinfo 95 2.053 13.544 Qfsinfo 43 4.080 45.387 Sfileinfo 48 56.815 130.845 Find 115 11.846 48.987 WriteX 343 14.683 73.953 ReadX 427 2.259 101.395 Flush 34 65.656 127.383 Throughput 0.152704 MB/sec 1 clients 1 procs max_latency=39304.686 ms stopping dbench on /mnt/lustre at Fri Aug 28 05:54:52 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1912 3603884 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20152 3585420 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22064 7189304 1% /mnt/lustre 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 Fri Aug 28 05:55:01 EDT 2026 waiting for dbench pid 67946 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients 0 8 0.00 MB/sec warmup 1 sec latency 113.123 ms 1 31 0.52 MB/sec warmup 2 sec latency 337.349 ms 1 31 0.35 MB/sec warmup 3 sec latency 1337.661 ms 1 67 0.74 MB/sec warmup 4 sec latency 1637.895 ms 1 111 1.05 MB/sec warmup 5 sec latency 171.521 ms 1 129 0.96 MB/sec warmup 6 sec latency 405.124 ms 1 147 0.90 MB/sec warmup 7 sec latency 209.294 ms test_26 fail mds1 3 times 1 173 0.88 MB/sec warmup 8 sec latency 253.570 ms 1 184 0.82 MB/sec warmup 9 sec latency 379.462 ms 1 192 0.76 MB/sec warmup 10 sec latency 1010.426 ms Failing mds1 on oleg155-server 1 205 0.73 MB/sec warmup 11 sec latency 310.041 ms 1 223 0.72 MB/sec warmup 12 sec latency 250.566 ms Stopping /mnt/lustre-mds1 (opts:) on oleg155-server 1 239 0.70 MB/sec warmup 13 sec latency 263.779 ms 1 250 0.67 MB/sec warmup 14 sec latency 378.464 ms 1 271 0.68 MB/sec warmup 15 sec latency 291.480 ms 1 295 0.68 MB/sec warmup 16 sec latency 196.762 ms 1 315 0.67 MB/sec warmup 17 sec latency 230.825 ms 1 336 0.67 MB/sec warmup 18 sec latency 200.761 ms 1 339 0.64 MB/sec warmup 19 sec latency 944.970 ms 1 339 0.00 MB/sec execute 1 sec latency 2951.926 ms 1 339 0.00 MB/sec execute 2 sec latency 3952.822 ms 1 339 0.00 MB/sec execute 3 sec latency 4953.101 ms 1 339 0.00 MB/sec execute 4 sec latency 5953.445 ms 05:55:25 (1787910925) shut down facet: mds1 facet_host: oleg155-server facet_failover_host: oleg155-server 1 339 0.00 MB/sec execute 5 sec latency 6953.639 ms 1 339 0.00 MB/sec execute 6 sec latency 7957.851 ms 1 339 0.00 MB/sec execute 7 sec latency 8958.094 ms 1 339 0.00 MB/sec execute 8 sec latency 9958.718 ms 1 339 0.00 MB/sec execute 9 sec latency 10958.915 ms 1 339 0.00 MB/sec execute 10 sec latency 11960.160 ms 1 339 0.00 MB/sec execute 11 sec latency 12960.742 ms 1 339 0.00 MB/sec execute 12 sec latency 13961.232 ms 1 339 0.00 MB/sec execute 13 sec latency 14965.425 ms 1 339 0.00 MB/sec execute 14 sec latency 15965.702 ms Failover mds1 to oleg155-server mount facets: mds1 1 339 0.00 MB/sec execute 15 sec latency 16967.741 ms 1 339 0.00 MB/sec execute 16 sec latency 17969.503 ms 1 339 0.00 MB/sec execute 17 sec latency 18969.709 ms 1 339 0.00 MB/sec execute 18 sec latency 19978.123 ms 1 339 0.00 MB/sec execute 19 sec latency 20981.606 ms 1 339 0.00 MB/sec execute 20 sec latency 21982.930 ms 1 339 0.00 MB/sec execute 21 sec latency 22983.162 ms 1 339 0.00 MB/sec execute 22 sec latency 23987.197 ms 1 339 0.00 MB/sec execute 23 sec latency 24988.437 ms 1 339 0.00 MB/sec execute 24 sec latency 25989.127 ms 1 339 0.00 MB/sec execute 25 sec latency 26989.443 ms 1 339 0.00 MB/sec execute 26 sec latency 27989.910 ms 1 339 0.00 MB/sec execute 27 sec latency 28990.083 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 28 sec latency 29991.060 ms 1 339 0.00 MB/sec execute 29 sec latency 30991.978 ms 1 339 0.00 MB/sec execute 30 sec latency 31992.278 ms 1 339 0.00 MB/sec execute 31 sec latency 32992.495 ms 1 339 0.00 MB/sec execute 32 sec latency 33993.566 ms 1 339 0.00 MB/sec execute 33 sec latency 34994.612 ms 1 339 0.00 MB/sec execute 34 sec latency 35995.503 ms 1 339 0.00 MB/sec execute 35 sec latency 36996.150 ms 1 339 0.00 MB/sec execute 36 sec latency 37996.621 ms 1 339 0.00 MB/sec execute 37 sec latency 38996.812 ms 1 339 0.00 MB/sec execute 38 sec latency 39997.488 ms 1 339 0.00 MB/sec execute 39 sec latency 40998.828 ms 1 339 0.00 MB/sec execute 40 sec latency 41998.999 ms 1 339 0.00 MB/sec execute 41 sec latency 42999.186 ms 1 339 0.00 MB/sec execute 42 sec latency 43999.496 ms 1 339 0.00 MB/sec execute 43 sec latency 44999.846 ms 1 339 0.00 MB/sec execute 44 sec latency 46000.383 ms 1 339 0.00 MB/sec execute 45 sec latency 47000.616 ms 1 339 0.00 MB/sec execute 46 sec latency 48002.550 ms 1 339 0.00 MB/sec execute 47 sec latency 49002.743 ms 1 339 0.00 MB/sec execute 48 sec latency 50002.949 ms 1 339 0.00 MB/sec execute 49 sec latency 51005.091 ms 1 339 0.00 MB/sec execute 50 sec latency 52007.608 ms oleg155-server: oleg155-server.virtnet: executing set_default_debug -1 all 1 341 0.00 MB/sec execute 51 sec latency 52851.006 ms pdsh@oleg155-client: oleg155-server: ssh exited with exit code 1 1 369 0.02 MB/sec execute 52 sec latency 232.163 ms Started lustre-MDT0000 05:56:14 (1787910974) targets are mounted 05:56:14 (1787910974) facet_failover done 1 398 0.03 MB/sec execute 53 sec latency 440.289 ms 1 438 0.06 MB/sec execute 54 sec latency 129.906 ms 1 476 0.08 MB/sec execute 55 sec latency 141.752 ms 1 503 0.09 MB/sec execute 56 sec latency 156.289 ms 1 541 0.12 MB/sec execute 57 sec latency 128.946 ms 1 603 0.15 MB/sec execute 58 sec latency 138.126 ms 1 639 0.15 MB/sec execute 59 sec latency 171.990 ms 1 671 0.15 MB/sec execute 60 sec latency 113.339 ms 1 695 0.15 MB/sec execute 61 sec latency 178.534 ms oleg155-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 718 0.15 MB/sec execute 62 sec latency 173.784 ms 1 745 0.14 MB/sec execute 63 sec latency 121.823 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 776 0.14 MB/sec execute 64 sec latency 153.590 ms 1 803 0.14 MB/sec execute 65 sec latency 154.506 ms 1 845 0.14 MB/sec execute 66 sec latency 102.703 ms 1 878 0.14 MB/sec execute 67 sec latency 121.672 ms 1 902 0.14 MB/sec execute 68 sec latency 151.921 ms 1 921 0.14 MB/sec execute 69 sec latency 123.057 ms 1 952 0.14 MB/sec execute 70 sec latency 154.664 ms 1 980 0.14 MB/sec execute 71 sec latency 236.971 ms 1 1022 0.14 MB/sec execute 72 sec latency 109.580 ms 1 1035 0.15 MB/sec execute 73 sec latency 750.641 ms 1 1038 0.14 MB/sec execute 74 sec latency 1602.099 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1082 0.14 MB/sec execute 75 sec latency 80.913 ms 1 1135 0.14 MB/sec execute 76 sec latency 65.824 ms 1 1174 0.14 MB/sec execute 77 sec latency 123.726 ms 1 1221 0.14 MB/sec execute 78 sec latency 81.269 ms 1 1263 0.14 MB/sec execute 79 sec latency 101.144 ms 1 1399 0.17 MB/sec execute 80 sec latency 172.981 ms 1 1432 0.17 MB/sec execute 81 sec latency 106.233 ms 1 1473 0.17 MB/sec execute 82 sec latency 190.496 ms 1 1523 0.17 MB/sec execute 83 sec latency 86.480 ms 1 1591 0.17 MB/sec execute 84 sec latency 76.979 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 28 05:56:46 EDT 2026 with return code 0 1 1631 0.16 MB/sec execute 85 sec latency 126.678 ms 67946 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67946 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished