== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:07:48 (1788574068) Starting client oleg439-client.virtnet: -o user_xattr,flock 192.168.204.139@tcp:/lustre /mnt/lustre Started clients oleg439-client.virtnet: 192.168.204.139@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 65689 Started dbench loop with 65691 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 '/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 Sep 4 22:07:52 EDT 2026 waiting for dbench pid 65741 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26140 3579688 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185164 1% /mnt/lustre 1 21 0.45 MB/sec warmup 1 sec latency 23.935 ms 1 94 2.08 MB/sec warmup 2 sec latency 115.749 ms 1 139 2.00 MB/sec warmup 3 sec latency 176.007 ms 1 173 1.76 MB/sec warmup 4 sec latency 179.000 ms 1 194 1.54 MB/sec warmup 5 sec latency 320.771 ms 1 221 1.42 MB/sec warmup 6 sec latency 139.794 ms 1 263 1.41 MB/sec warmup 7 sec latency 148.388 ms 1 300 1.37 MB/sec warmup 8 sec latency 144.829 ms 1 339 1.36 MB/sec warmup 9 sec latency 186.815 ms test_26 fail mds1 1 times 1 386 1.37 MB/sec warmup 10 sec latency 161.743 ms 1 422 1.35 MB/sec warmup 11 sec latency 135.741 ms Failing mds1 on oleg439-server 1 450 1.31 MB/sec warmup 12 sec latency 199.982 ms 1 482 1.29 MB/sec warmup 13 sec latency 212.092 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 514 1.26 MB/sec warmup 14 sec latency 119.944 ms 1 601 1.39 MB/sec warmup 15 sec latency 78.656 ms 1 606 1.31 MB/sec warmup 16 sec latency 941.775 ms 22:08:09 (1788574089) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 606 1.23 MB/sec warmup 17 sec latency 1942.096 ms 1 606 1.16 MB/sec warmup 18 sec latency 2943.413 ms 1 606 1.10 MB/sec warmup 19 sec latency 3946.191 ms 1 606 0.00 MB/sec execute 1 sec latency 5949.700 ms 1 606 0.00 MB/sec execute 2 sec latency 6951.812 ms 1 606 0.00 MB/sec execute 3 sec latency 7952.540 ms 1 606 0.00 MB/sec execute 4 sec latency 8952.740 ms 1 606 0.00 MB/sec execute 5 sec latency 9959.267 ms 1 606 0.00 MB/sec execute 6 sec latency 10959.497 ms 1 606 0.00 MB/sec execute 7 sec latency 11960.049 ms Failover mds1 to oleg439-server mount facets: mds1 1 606 0.00 MB/sec execute 8 sec latency 12961.169 ms 1 606 0.00 MB/sec execute 9 sec latency 13961.306 ms 1 606 0.00 MB/sec execute 10 sec latency 14962.026 ms 1 606 0.00 MB/sec execute 11 sec latency 15962.212 ms 1 606 0.00 MB/sec execute 12 sec latency 16962.419 ms 1 606 0.00 MB/sec execute 13 sec latency 17963.743 ms 1 606 0.00 MB/sec execute 14 sec latency 18964.047 ms 1 606 0.00 MB/sec execute 15 sec latency 19964.440 ms 1 606 0.00 MB/sec execute 16 sec latency 20964.858 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 17 sec latency 21971.099 ms 1 606 0.00 MB/sec execute 18 sec latency 22971.270 ms 1 606 0.00 MB/sec execute 19 sec latency 23972.274 ms 1 606 0.00 MB/sec execute 20 sec latency 24973.369 ms 1 606 0.00 MB/sec execute 21 sec latency 25976.507 ms 1 606 0.00 MB/sec execute 22 sec latency 26977.045 ms 1 606 0.00 MB/sec execute 23 sec latency 27977.270 ms 1 606 0.00 MB/sec execute 24 sec latency 28978.387 ms 1 606 0.00 MB/sec execute 25 sec latency 29978.590 ms 1 606 0.00 MB/sec execute 26 sec latency 30978.842 ms 1 606 0.00 MB/sec execute 27 sec latency 31979.139 ms 1 606 0.00 MB/sec execute 28 sec latency 32979.330 ms 1 606 0.00 MB/sec execute 29 sec latency 33979.485 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 30 sec latency 34980.029 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 Started lustre-MDT0000 22:08:43 (1788574123) targets are mounted 22:08:43 (1788574123) facet_failover done 1 606 0.00 MB/sec execute 31 sec latency 35981.519 ms 1 606 0.00 MB/sec execute 32 sec latency 36981.781 ms 1 642 0.00 MB/sec execute 33 sec latency 37168.186 ms 1 689 0.01 MB/sec execute 34 sec latency 161.659 ms 1 718 0.01 MB/sec execute 35 sec latency 130.118 ms 1 748 0.01 MB/sec execute 36 sec latency 99.475 ms 1 779 0.01 MB/sec execute 37 sec latency 122.560 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 808 0.01 MB/sec execute 38 sec latency 100.930 ms 1 850 0.02 MB/sec execute 39 sec latency 139.492 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 874 0.02 MB/sec execute 40 sec latency 122.296 ms 1 884 0.02 MB/sec execute 41 sec latency 681.911 ms 1 884 0.02 MB/sec execute 42 sec latency 1683.409 ms 1 902 0.02 MB/sec execute 43 sec latency 1817.167 ms 1 940 0.02 MB/sec execute 44 sec latency 142.402 ms 1 979 0.02 MB/sec execute 45 sec latency 109.403 ms 1 1026 0.04 MB/sec execute 46 sec latency 116.975 ms 1 1080 0.04 MB/sec execute 47 sec latency 72.814 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2172 1269132 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46824 3559380 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11972 3594852 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58796 7154232 1% /mnt/lustre 1 1122 0.04 MB/sec execute 48 sec latency 133.567 ms 1 1161 0.04 MB/sec execute 49 sec latency 82.425 ms 1 1192 0.04 MB/sec execute 50 sec latency 98.280 ms 1 1224 0.04 MB/sec execute 51 sec latency 113.921 ms 1 1244 0.04 MB/sec execute 52 sec latency 166.623 ms 1 1384 0.09 MB/sec execute 53 sec latency 166.750 ms 1 1409 0.09 MB/sec execute 54 sec latency 153.563 ms 1 1449 0.09 MB/sec execute 55 sec latency 133.276 ms 1 1482 0.09 MB/sec execute 56 sec latency 419.917 ms 1 1520 0.09 MB/sec execute 57 sec latency 131.991 ms test_26 fail mds2 2 times 1 1562 0.09 MB/sec execute 58 sec latency 91.942 ms 1 1585 0.09 MB/sec execute 59 sec latency 98.522 ms Failing mds2 on oleg439-server 1 1619 0.09 MB/sec execute 60 sec latency 169.988 ms 1 1660 0.09 MB/sec execute 61 sec latency 100.307 ms Stopping /mnt/lustre-mds2 (opts:) on oleg439-server 1 1687 0.08 MB/sec execute 62 sec latency 163.023 ms 1 1729 0.08 MB/sec execute 63 sec latency 102.407 ms 1 1807 0.08 MB/sec execute 64 sec latency 57.515 ms 1 1849 0.08 MB/sec execute 65 sec latency 114.169 ms 1 1946 0.08 MB/sec execute 66 sec latency 67.020 ms 1 2014 0.08 MB/sec execute 67 sec latency 134.851 ms 1 2098 0.08 MB/sec execute 68 sec latency 80.746 ms 1 2158 0.08 MB/sec execute 69 sec latency 84.227 ms 1 2206 0.08 MB/sec execute 70 sec latency 80.114 ms 22:09:23 (1788574163) shut down facet: mds2 facet_host: oleg439-server facet_failover_host: oleg439-server 1 2259 0.08 MB/sec execute 71 sec latency 309.875 ms 1 2259 0.08 MB/sec execute 72 sec latency 1311.684 ms 1 2259 0.08 MB/sec execute 73 sec latency 2311.887 ms 1 2259 0.08 MB/sec execute 74 sec latency 3312.158 ms 1 2259 0.08 MB/sec execute 75 sec latency 4312.395 ms 1 2259 0.08 MB/sec execute 76 sec latency 5314.257 ms 1 2259 0.08 MB/sec execute 77 sec latency 6314.642 ms 1 2259 0.07 MB/sec execute 78 sec latency 7314.917 ms 1 2259 0.07 MB/sec execute 79 sec latency 8320.809 ms 1 2259 0.07 MB/sec execute 80 sec latency 9321.012 ms 1 2259 0.07 MB/sec execute 81 sec latency 10322.992 ms Failover mds2 to oleg439-server mount facets: mds2 1 2259 0.07 MB/sec execute 82 sec latency 11323.307 ms 1 2259 0.07 MB/sec execute 83 sec latency 12323.490 ms 1 2259 0.07 MB/sec execute 84 sec latency 13323.690 ms 1 2259 0.07 MB/sec execute 85 sec latency 14324.172 ms 1 2259 0.07 MB/sec execute 86 sec latency 15324.382 ms 1 2259 0.07 MB/sec execute 87 sec latency 16324.716 ms 1 2259 0.07 MB/sec execute 88 sec latency 17325.137 ms 1 2259 0.07 MB/sec execute 89 sec latency 18325.555 ms 1 2259 0.06 MB/sec execute 90 sec latency 19326.290 ms 1 2259 0.06 MB/sec execute 91 sec latency 20331.789 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.06 MB/sec execute 92 sec latency 21335.844 ms 1 2259 0.06 MB/sec execute 93 sec latency 22336.112 ms 1 2259 0.06 MB/sec execute 94 sec latency 23336.334 ms 1 2259 0.06 MB/sec execute 95 sec latency 24336.642 ms 1 2259 0.06 MB/sec execute 96 sec latency 25338.516 ms 1 2259 0.06 MB/sec execute 97 sec latency 26338.738 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 2259 0.06 MB/sec execute 98 sec latency 27340.449 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 2259 0.06 MB/sec execute 99 sec latency 28340.706 ms Started lustre-MDT0001 22:09:52 (1788574192) targets are mounted 22:09:52 (1788574192) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 314 151.158 29827.354 Close 270 12.550 51.003 Rename 11 105.533 166.732 Unlink 30 28.590 46.154 Qpathinfo 295 141.980 37168.165 Qfileinfo 52 2.726 17.140 Qfsinfo 29 4.190 30.619 Sfileinfo 34 68.494 144.045 Find 91 13.091 39.884 WriteX 150 14.111 106.648 ReadX 348 3.701 93.131 Flush 30 44.134 109.256 Throughput 0.0586597 MB/sec 1 clients 1 procs max_latency=37168.186 ms stopping dbench on /mnt/lustre at Fri Sep 4 22:09:56 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 Fri Sep 4 22:10:04 EDT 2026 waiting for dbench pid 67901 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 34 1.05 MB/sec warmup 1 sec latency 60.474 ms 1 104 2.42 MB/sec warmup 2 sec latency 130.357 ms 1 129 1.92 MB/sec warmup 3 sec latency 184.949 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2204 1269100 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44648 3560024 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2584 3604408 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47232 7164432 1% /mnt/lustre 1 155 1.63 MB/sec warmup 4 sec latency 287.784 ms 1 184 1.48 MB/sec warmup 5 sec latency 176.064 ms 1 208 1.35 MB/sec warmup 6 sec latency 238.090 ms 1 246 1.34 MB/sec warmup 7 sec latency 139.588 ms 1 282 1.30 MB/sec warmup 8 sec latency 125.773 ms 1 313 1.27 MB/sec warmup 9 sec latency 182.091 ms 1 339 1.22 MB/sec warmup 10 sec latency 379.298 ms 1 366 1.18 MB/sec warmup 11 sec latency 576.773 ms 1 405 1.19 MB/sec warmup 12 sec latency 108.272 ms 1 453 1.22 MB/sec warmup 13 sec latency 104.188 ms test_26 fail mds1 3 times 1 492 1.23 MB/sec warmup 14 sec latency 129.786 ms 1 513 1.18 MB/sec warmup 15 sec latency 161.036 ms Failing mds1 on oleg439-server 1 580 1.23 MB/sec warmup 16 sec latency 147.147 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 644 1.24 MB/sec warmup 17 sec latency 95.150 ms 1 674 1.18 MB/sec warmup 18 sec latency 532.380 ms 1 674 1.11 MB/sec warmup 19 sec latency 1532.941 ms 22:10:24 (1788574224) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 674 0.00 MB/sec execute 1 sec latency 3533.932 ms 1 674 0.00 MB/sec execute 2 sec latency 4534.125 ms 1 674 0.00 MB/sec execute 3 sec latency 5534.514 ms 1 674 0.00 MB/sec execute 4 sec latency 6536.707 ms 1 674 0.00 MB/sec execute 5 sec latency 7538.772 ms 1 674 0.00 MB/sec execute 6 sec latency 8540.526 ms 1 674 0.00 MB/sec execute 7 sec latency 9541.608 ms 1 674 0.00 MB/sec execute 8 sec latency 10542.032 ms 1 674 0.00 MB/sec execute 9 sec latency 11542.274 ms 1 674 0.00 MB/sec execute 10 sec latency 12547.445 ms Failover mds1 to oleg439-server mount facets: mds1 1 674 0.00 MB/sec execute 11 sec latency 13547.638 ms 1 674 0.00 MB/sec execute 12 sec latency 14547.874 ms 1 674 0.00 MB/sec execute 13 sec latency 15548.043 ms 1 674 0.00 MB/sec execute 14 sec latency 16548.286 ms 1 674 0.00 MB/sec execute 15 sec latency 17548.517 ms 1 674 0.00 MB/sec execute 16 sec latency 18560.415 ms 1 674 0.00 MB/sec execute 17 sec latency 19560.569 ms 1 674 0.00 MB/sec execute 18 sec latency 20562.005 ms 1 674 0.00 MB/sec execute 19 sec latency 21562.936 ms 1 674 0.00 MB/sec execute 20 sec latency 22563.427 ms 1 674 0.00 MB/sec execute 21 sec latency 23563.754 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 22 sec latency 24564.155 ms 1 674 0.00 MB/sec execute 23 sec latency 25564.611 ms 1 674 0.00 MB/sec execute 24 sec latency 26564.833 ms 1 674 0.00 MB/sec execute 25 sec latency 27566.364 ms 1 674 0.00 MB/sec execute 26 sec latency 28578.429 ms 1 674 0.00 MB/sec execute 27 sec latency 29578.684 ms 1 674 0.00 MB/sec execute 28 sec latency 30578.942 ms 1 674 0.00 MB/sec execute 29 sec latency 31581.128 ms 1 674 0.00 MB/sec execute 30 sec latency 32581.402 ms 1 674 0.00 MB/sec execute 31 sec latency 33581.742 ms 1 674 0.00 MB/sec execute 32 sec latency 34581.954 ms 1 674 0.00 MB/sec execute 33 sec latency 35582.172 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 34 sec latency 36582.806 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 35 sec latency 37589.148 ms Started lustre-MDT0000 22:11:01 (1788574261) targets are mounted 22:11:01 (1788574261) facet_failover done 1 674 0.00 MB/sec execute 36 sec latency 38590.771 ms 1 710 0.00 MB/sec execute 37 sec latency 38682.806 ms 1 720 0.00 MB/sec execute 38 sec latency 688.055 ms 1 734 0.00 MB/sec execute 39 sec latency 1165.472 ms 1 769 0.00 MB/sec execute 40 sec latency 133.747 ms 1 803 0.01 MB/sec execute 41 sec latency 103.245 ms 1 851 0.01 MB/sec execute 42 sec latency 114.444 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 882 0.01 MB/sec execute 43 sec latency 113.620 ms 1 914 0.01 MB/sec execute 44 sec latency 127.637 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 939 0.01 MB/sec execute 45 sec latency 162.376 ms 1 969 0.01 MB/sec execute 46 sec latency 158.322 ms 1 993 0.02 MB/sec execute 47 sec latency 168.270 ms 1 1052 0.04 MB/sec execute 48 sec latency 92.072 ms 1 1113 0.04 MB/sec execute 49 sec latency 93.944 ms 1 1156 0.04 MB/sec execute 50 sec latency 126.382 ms 1 1202 0.04 MB/sec execute 51 sec latency 79.654 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1251 0.04 MB/sec execute 52 sec latency 108.148 ms 1 1319 0.06 MB/sec execute 53 sec latency 256.954 ms 1 1405 0.09 MB/sec execute 54 sec latency 486.346 ms 1 1459 0.09 MB/sec execute 55 sec latency 126.603 ms 1 1509 0.09 MB/sec execute 56 sec latency 85.840 ms 1 1558 0.09 MB/sec execute 57 sec latency 104.152 ms 1 1597 0.09 MB/sec execute 58 sec latency 109.310 ms 1 1646 0.09 MB/sec execute 59 sec latency 136.945 ms 1 1687 0.08 MB/sec execute 60 sec latency 108.908 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 22:11:26 EDT 2026 with return code 0 1 1744 0.08 MB/sec execute 61 sec latency 99.080 ms 67901 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67901 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished