== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:27:24 (1761316044) Starting client oleg448-client.virtnet: -o user_xattr,flock oleg448-server@tcp:/lustre /mnt/lustre Started clients oleg448-client.virtnet: 192.168.204.148@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,encrypt) Started tar loop with pid 66663 Started dbench loop with 66665 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /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 1984 1285704 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1820 1285868 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 21888 3585048 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1388 3605632 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23276 7190680 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 Oct 24 10:27:29 EDT 2025 waiting for dbench pid 66732 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 33.900 ms 1 113 2.62 MB/sec warmup 2 sec latency 95.046 ms 1 155 2.18 MB/sec warmup 3 sec latency 143.166 ms 1 190 1.89 MB/sec warmup 4 sec latency 132.650 ms 1 231 1.78 MB/sec warmup 5 sec latency 113.330 ms 1 272 1.70 MB/sec warmup 6 sec latency 163.382 ms 1 315 1.64 MB/sec warmup 7 sec latency 126.744 ms test_26 fail mds1 1 times 1 356 1.60 MB/sec warmup 8 sec latency 131.200 ms 1 400 1.56 MB/sec warmup 9 sec latency 109.326 ms Failing mds1 on oleg448-server Stopping /mnt/lustre-mds1 (opts:) on oleg448-server 1 438 1.54 MB/sec warmup 10 sec latency 135.955 ms 1 470 1.49 MB/sec warmup 11 sec latency 207.328 ms 1 470 1.37 MB/sec warmup 12 sec latency 1105.681 ms reboot facets: mds1 1 470 1.26 MB/sec warmup 13 sec latency 2105.919 ms 1 470 1.17 MB/sec warmup 14 sec latency 3106.128 ms 1 470 1.09 MB/sec warmup 15 sec latency 4106.719 ms 1 470 1.03 MB/sec warmup 16 sec latency 5106.923 ms 1 470 0.97 MB/sec warmup 17 sec latency 6107.779 ms 1 470 0.91 MB/sec warmup 18 sec latency 7108.015 ms 1 470 0.86 MB/sec warmup 19 sec latency 8108.415 ms 1 470 0.00 MB/sec execute 1 sec latency 10110.785 ms 1 470 0.00 MB/sec execute 2 sec latency 11111.746 ms 1 470 0.00 MB/sec execute 3 sec latency 12113.239 ms Failover mds1 to oleg448-server 1 470 0.00 MB/sec execute 4 sec latency 13113.495 ms mount facets: mds1 1 470 0.00 MB/sec execute 5 sec latency 14113.732 ms 1 470 0.00 MB/sec execute 6 sec latency 15114.712 ms 1 470 0.00 MB/sec execute 7 sec latency 16114.982 ms 1 470 0.00 MB/sec execute 8 sec latency 17115.203 ms 1 470 0.00 MB/sec execute 9 sec latency 18117.562 ms 1 470 0.00 MB/sec execute 10 sec latency 19117.767 ms 1 470 0.00 MB/sec execute 11 sec latency 20118.754 ms Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 470 0.00 MB/sec execute 12 sec latency 21123.462 ms 1 470 0.00 MB/sec execute 13 sec latency 22124.676 ms 1 470 0.00 MB/sec execute 14 sec latency 23124.878 ms 1 470 0.00 MB/sec execute 15 sec latency 24125.339 ms 1 470 0.00 MB/sec execute 16 sec latency 25126.206 ms 1 470 0.00 MB/sec execute 17 sec latency 26126.421 ms 1 470 0.00 MB/sec execute 18 sec latency 27126.634 ms 1 470 0.00 MB/sec execute 19 sec latency 28126.837 ms 1 470 0.00 MB/sec execute 20 sec latency 29128.357 ms 1 470 0.00 MB/sec execute 21 sec latency 30130.649 ms oleg448-server: oleg448-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg448-client: oleg448-server: ssh exited with exit code 1 1 470 0.00 MB/sec execute 22 sec latency 31133.316 ms Started lustre-MDT0000 1 470 0.00 MB/sec execute 23 sec latency 32133.837 ms 1 470 0.00 MB/sec execute 24 sec latency 33134.178 ms 1 501 0.04 MB/sec execute 25 sec latency 33403.415 ms 1 597 0.17 MB/sec execute 26 sec latency 86.748 ms 1 661 0.17 MB/sec execute 27 sec latency 86.293 ms 1 708 0.17 MB/sec execute 28 sec latency 93.127 ms oleg448-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 749 0.17 MB/sec execute 29 sec latency 97.797 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.17 MB/sec execute 30 sec latency 140.217 ms 1 845 0.17 MB/sec execute 31 sec latency 92.390 ms 1 882 0.16 MB/sec execute 32 sec latency 137.676 ms 1 918 0.16 MB/sec execute 33 sec latency 91.778 ms 1 963 0.16 MB/sec execute 34 sec latency 106.962 ms 1 1037 0.18 MB/sec execute 35 sec latency 72.198 ms 1 1091 0.18 MB/sec execute 36 sec latency 93.595 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2196 1285492 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2024 1285664 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 48460 3557040 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9932 3596024 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58392 7153064 1% /mnt/lustre 1 1149 0.18 MB/sec execute 37 sec latency 68.836 ms 1 1198 0.17 MB/sec execute 38 sec latency 80.587 ms 1 1245 0.17 MB/sec execute 39 sec latency 102.503 ms 1 1393 0.24 MB/sec execute 40 sec latency 84.678 ms 1 1445 0.23 MB/sec execute 41 sec latency 93.120 ms 1 1502 0.23 MB/sec execute 42 sec latency 78.855 ms 1 1566 0.23 MB/sec execute 43 sec latency 70.793 ms 1 1632 0.22 MB/sec execute 44 sec latency 62.736 ms test_26 fail mds2 2 times 1 1687 0.22 MB/sec execute 45 sec latency 81.954 ms 1 1762 0.21 MB/sec execute 46 sec latency 77.537 ms Failing mds2 on oleg448-server Stopping /mnt/lustre-mds2 (opts:) on oleg448-server 1 1821 0.21 MB/sec execute 47 sec latency 115.605 ms 1 1877 0.21 MB/sec execute 48 sec latency 100.759 ms 1 1972 0.20 MB/sec execute 49 sec latency 131.430 ms reboot facets: mds2 1 2020 0.20 MB/sec execute 50 sec latency 105.801 ms 1 2138 0.20 MB/sec execute 51 sec latency 59.509 ms 1 2202 0.20 MB/sec execute 52 sec latency 65.098 ms 1 2259 0.20 MB/sec execute 53 sec latency 527.219 ms 1 2259 0.19 MB/sec execute 54 sec latency 1530.415 ms 1 2259 0.19 MB/sec execute 55 sec latency 2533.298 ms 1 2259 0.18 MB/sec execute 56 sec latency 3533.506 ms 1 2259 0.18 MB/sec execute 57 sec latency 4533.723 ms 1 2259 0.18 MB/sec execute 58 sec latency 5533.943 ms 1 2259 0.18 MB/sec execute 59 sec latency 6536.156 ms Failover mds2 to oleg448-server 1 2259 0.17 MB/sec execute 60 sec latency 7537.726 ms 1 2259 0.17 MB/sec execute 61 sec latency 8537.954 ms mount facets: mds2 1 2259 0.17 MB/sec execute 62 sec latency 9539.397 ms 1 2259 0.16 MB/sec execute 63 sec latency 10544.093 ms 1 2259 0.16 MB/sec execute 64 sec latency 11544.598 ms 1 2259 0.16 MB/sec execute 65 sec latency 12545.661 ms 1 2259 0.16 MB/sec execute 66 sec latency 13545.947 ms 1 2259 0.15 MB/sec execute 67 sec latency 14546.302 ms 1 2259 0.15 MB/sec execute 68 sec latency 15548.940 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 69 sec latency 16549.220 ms 1 2259 0.15 MB/sec execute 70 sec latency 17550.283 ms 1 2259 0.15 MB/sec execute 71 sec latency 18550.445 ms 1 2259 0.14 MB/sec execute 72 sec latency 19550.657 ms oleg448-server: oleg448-server.virtnet: executing set_default_debug -1 all 8 1 2259 0.14 MB/sec execute 73 sec latency 20550.869 ms pdsh@oleg448-client: oleg448-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 74 sec latency 21552.980 ms Started lustre-MDT0001 1 2259 0.14 MB/sec execute 75 sec latency 22553.238 ms 1 2259 0.14 MB/sec execute 76 sec latency 23554.676 ms 1 2338 0.15 MB/sec execute 77 sec latency 23793.240 ms 1 2377 0.15 MB/sec execute 78 sec latency 99.257 ms 1 2416 0.15 MB/sec execute 79 sec latency 87.335 ms 1 2449 0.15 MB/sec execute 80 sec latency 105.210 ms 1 2489 0.15 MB/sec execute 81 sec latency 110.671 ms oleg448-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2574 0.15 MB/sec execute 82 sec latency 113.263 ms 1 2608 0.15 MB/sec execute 83 sec latency 120.945 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2768 0.18 MB/sec execute 84 sec latency 97.136 ms 1 2885 0.19 MB/sec execute 85 sec latency 92.083 ms 1 2928 0.20 MB/sec execute 86 sec latency 94.547 ms 1 2996 0.20 MB/sec execute 87 sec latency 153.334 ms 1 3171 0.20 MB/sec execute 88 sec latency 127.193 ms 1 3243 0.20 MB/sec execute 89 sec latency 75.304 ms 1 3331 0.21 MB/sec execute 90 sec latency 59.002 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2448 1285240 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2284 1285404 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 58640 3544560 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10260 3596328 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 68900 7140888 1% /mnt/lustre 1 3374 0.21 MB/sec execute 91 sec latency 75.657 ms 1 3521 0.24 MB/sec execute 92 sec latency 70.192 ms 1 3579 0.24 MB/sec execute 93 sec latency 64.955 ms 1 3645 0.24 MB/sec execute 94 sec latency 89.119 ms 1 3697 0.23 MB/sec execute 95 sec latency 80.177 ms 1 3763 0.24 MB/sec execute 96 sec latency 77.837 ms 1 3804 0.24 MB/sec execute 97 sec latency 111.409 ms 1 3845 0.24 MB/sec execute 98 sec latency 90.680 ms 1 3901 0.24 MB/sec execute 99 sec latency 96.741 ms test_26 fail mds1 3 times 1 cleanup 100 sec Failing mds1 on oleg448-server 1 cleanup 101 sec Stopping /mnt/lustre-mds1 (opts:) on oleg448-server 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 1 cleanup 110 sec 1 cleanup 111 sec reboot facets: mds1 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec Failover mds1 to oleg448-server 1 cleanup 122 sec mount facets: mds1 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 cleanup 131 sec 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec 1 cleanup 139 sec 1 cleanup 140 sec oleg448-server: oleg448-server.virtnet: executing set_default_debug -1 all 8 1 cleanup 141 sec pdsh@oleg448-client: oleg448-server: ssh exited with exit code 1 1 cleanup 142 sec 1 cleanup 143 sec Started lustre-MDT0000 0 cleanup 144 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 557 87.208 23793.217 Close 437 11.285 36.574 Rename 26 70.043 153.298 Unlink 83 22.495 105.738 Qpathinfo 510 13.065 93.575 Qfileinfo 118 1.356 15.769 Qfsinfo 99 2.635 21.259 Sfileinfo 50 39.121 88.427 Find 198 8.691 61.911 WriteX 394 96.466 33403.394 ReadX 956 0.879 73.869 LockX 2 11.476 15.749 UnlockX 2 10.923 17.391 Flush 43 55.596 137.660 Throughput 0.238201 MB/sec 1 clients 1 procs max_latency=33403.415 ms stopping dbench on /mnt/lustre at Fri Oct 24 10:30:14 EDT 2025 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 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg448-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid mdc.lustre-MDT0000-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 Fri Oct 24 10:30:22 EDT 2025 waiting for dbench pid 69975 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 24 0.65 MB/sec warmup 1 sec latency 12.023 ms 1 91 2.09 MB/sec warmup 2 sec latency 169.825 ms 1 137 2.00 MB/sec warmup 3 sec latency 144.961 ms 1 180 1.83 MB/sec warmup 4 sec latency 149.775 ms 1 223 1.72 MB/sec warmup 5 sec latency 111.260 ms 1 263 1.65 MB/sec warmup 6 sec latency 111.693 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2952 1284736 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2748 1284940 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46100 3552372 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2340 3597024 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 48440 7149396 1% /mnt/lustre 1 306 1.60 MB/sec warmup 7 sec latency 147.470 ms 1 349 1.56 MB/sec warmup 8 sec latency 162.336 ms 1 389 1.53 MB/sec warmup 9 sec latency 123.025 ms 1 439 1.54 MB/sec warmup 10 sec latency 121.523 ms 1 485 1.54 MB/sec warmup 11 sec latency 126.189 ms 1 525 1.50 MB/sec warmup 12 sec latency 125.809 ms 1 640 1.62 MB/sec warmup 13 sec latency 91.184 ms 1 699 1.51 MB/sec warmup 14 sec latency 75.116 ms test_26 fail mds2 4 times 1 733 1.42 MB/sec warmup 15 sec latency 101.775 ms 1 777 1.33 MB/sec warmup 16 sec latency 118.328 ms Failing mds2 on oleg448-server 1 803 1.26 MB/sec warmup 17 sec latency 141.613 ms Stopping /mnt/lustre-mds2 (opts:) on oleg448-server 1 861 1.20 MB/sec warmup 18 sec latency 94.111 ms 1 888 1.14 MB/sec warmup 19 sec latency 123.930 ms reboot facets: mds2 1 971 0.04 MB/sec execute 1 sec latency 118.356 ms 1 995 0.07 MB/sec execute 2 sec latency 612.780 ms 1 995 0.05 MB/sec execute 3 sec latency 1613.042 ms 1 995 0.03 MB/sec execute 4 sec latency 2614.135 ms 1 995 0.03 MB/sec execute 5 sec latency 3614.416 ms 1 995 0.02 MB/sec execute 6 sec latency 4616.029 ms 1 995 0.02 MB/sec execute 7 sec latency 5616.253 ms 1 995 0.02 MB/sec execute 8 sec latency 6616.884 ms 1 995 0.02 MB/sec execute 9 sec latency 7617.130 ms 1 995 0.01 MB/sec execute 10 sec latency 8618.365 ms 1 995 0.01 MB/sec execute 11 sec latency 9631.337 ms Failover mds2 to oleg448-server 1 995 0.01 MB/sec execute 12 sec latency 10631.667 ms mount facets: mds2 1 995 0.01 MB/sec execute 13 sec latency 11631.927 ms 1 995 0.01 MB/sec execute 14 sec latency 12632.163 ms 1 995 0.01 MB/sec execute 15 sec latency 13634.349 ms 1 995 0.01 MB/sec execute 16 sec latency 14635.546 ms 1 995 0.01 MB/sec execute 17 sec latency 15638.796 ms 1 995 0.01 MB/sec execute 18 sec latency 16639.040 ms 1 995 0.01 MB/sec execute 19 sec latency 17640.752 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 20 sec latency 18643.107 ms 1 995 0.01 MB/sec execute 21 sec latency 19643.372 ms 1 995 0.01 MB/sec execute 22 sec latency 20646.528 ms 1 995 0.01 MB/sec execute 23 sec latency 21647.027 ms 1 995 0.01 MB/sec execute 24 sec latency 22647.310 ms oleg448-server: oleg448-server.virtnet: executing set_default_debug -1 all 8 1 995 0.01 MB/sec execute 25 sec latency 23647.587 ms pdsh@oleg448-client: oleg448-server: ssh exited with exit code 1 1 995 0.01 MB/sec execute 26 sec latency 24648.425 ms Started lustre-MDT0001 1 995 0.01 MB/sec execute 27 sec latency 25649.582 ms 1 995 0.00 MB/sec execute 28 sec latency 26649.793 ms 1 1011 0.02 MB/sec execute 29 sec latency 27128.149 ms 1 1084 0.04 MB/sec execute 30 sec latency 141.356 ms 1 1147 0.04 MB/sec execute 31 sec latency 125.375 ms 1 1214 0.04 MB/sec execute 32 sec latency 146.550 ms oleg448-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1250 0.04 MB/sec execute 33 sec latency 145.678 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1394 0.12 MB/sec execute 34 sec latency 81.168 ms 1 1429 0.12 MB/sec execute 35 sec latency 126.123 ms 1 1499 0.12 MB/sec execute 36 sec latency 54.206 ms 1 1585 0.12 MB/sec execute 37 sec latency 61.643 ms 1 1653 0.12 MB/sec execute 38 sec latency 63.400 ms 1 1717 0.11 MB/sec execute 39 sec latency 97.341 ms 1 1825 0.11 MB/sec execute 40 sec latency 52.451 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1903 0.11 MB/sec execute 41 sec latency 67.351 ms 1 1986 0.11 MB/sec execute 42 sec latency 64.905 ms 1 2063 0.11 MB/sec execute 43 sec latency 65.015 ms 1 2145 0.11 MB/sec execute 44 sec latency 65.371 ms 1 2198 0.11 MB/sec execute 45 sec latency 68.823 ms 1 2305 0.13 MB/sec execute 46 sec latency 113.263 ms 1 2368 0.13 MB/sec execute 47 sec latency 120.760 ms 1 2427 0.13 MB/sec execute 48 sec latency 88.350 ms 1 2484 0.14 MB/sec execute 49 sec latency 64.701 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 2577 0.14 MB/sec execute 50 sec latency 67.378 ms stopping dbench on /mnt/lustre at Fri Oct 24 10:31:32 EDT 2025 with return code 0 69975 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69975 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished