== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:53:22 (1776999202) Starting client oleg227-client.virtnet: -o user_xattr,flock 192.168.202.127@tcp:/lustre /mnt/lustre Started clients oleg227-client.virtnet: 192.168.202.127@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64968 Started dbench loop with 64969 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 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3584792 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190248 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 Apr 23 22:53:29 EDT 2026 waiting for dbench pid 65047 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 39.071 ms 1 52 1.04 MB/sec warmup 2 sec latency 179.614 ms 1 95 1.41 MB/sec warmup 3 sec latency 191.937 ms 1 129 1.44 MB/sec warmup 4 sec latency 196.396 ms 1 152 1.28 MB/sec warmup 5 sec latency 244.979 ms 1 173 1.17 MB/sec warmup 6 sec latency 186.030 ms 1 187 1.07 MB/sec warmup 7 sec latency 546.263 ms 1 215 1.04 MB/sec warmup 8 sec latency 175.502 ms 1 247 1.04 MB/sec warmup 9 sec latency 161.316 ms 1 287 1.07 MB/sec warmup 10 sec latency 147.424 ms test_26 fail mds1 1 times 1 321 1.06 MB/sec warmup 11 sec latency 135.750 ms 1 349 1.04 MB/sec warmup 12 sec latency 159.516 ms Failing mds1 on oleg227-server 1 379 1.04 MB/sec warmup 13 sec latency 197.150 ms 1 413 1.04 MB/sec warmup 14 sec latency 118.856 ms Stopping /mnt/lustre-mds1 (opts:) on oleg227-server 1 445 1.04 MB/sec warmup 15 sec latency 203.602 ms 1 453 0.99 MB/sec warmup 16 sec latency 881.035 ms 1 453 0.93 MB/sec warmup 17 sec latency 1881.572 ms 1 453 0.88 MB/sec warmup 18 sec latency 2890.142 ms 1 453 0.83 MB/sec warmup 19 sec latency 3893.791 ms 22:53:48 (1776999228) shut down facet: mds1 facet_host: oleg227-server facet_failover_host: oleg227-server 1 453 0.00 MB/sec execute 1 sec latency 5894.361 ms 1 453 0.00 MB/sec execute 2 sec latency 6894.631 ms 1 453 0.00 MB/sec execute 3 sec latency 7894.968 ms 1 453 0.00 MB/sec execute 4 sec latency 8895.383 ms 1 453 0.00 MB/sec execute 5 sec latency 9895.714 ms 1 453 0.00 MB/sec execute 6 sec latency 10898.980 ms 1 453 0.00 MB/sec execute 7 sec latency 11899.215 ms 1 453 0.00 MB/sec execute 8 sec latency 12902.002 ms 1 453 0.00 MB/sec execute 9 sec latency 13902.367 ms Failover mds1 to oleg227-server mount facets: mds1 1 453 0.00 MB/sec execute 10 sec latency 14904.629 ms 1 453 0.00 MB/sec execute 11 sec latency 15905.719 ms 1 453 0.00 MB/sec execute 12 sec latency 16906.019 ms 1 453 0.00 MB/sec execute 13 sec latency 17906.159 ms 1 453 0.00 MB/sec execute 14 sec latency 18906.392 ms 1 453 0.00 MB/sec execute 15 sec latency 19906.603 ms 1 453 0.00 MB/sec execute 16 sec latency 20913.478 ms 1 453 0.00 MB/sec execute 17 sec latency 21913.727 ms 1 453 0.00 MB/sec execute 18 sec latency 22913.999 ms 1 453 0.00 MB/sec execute 19 sec latency 23914.222 ms 1 453 0.00 MB/sec execute 20 sec latency 24932.060 ms 1 453 0.00 MB/sec execute 21 sec latency 25932.257 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 453 0.00 MB/sec execute 22 sec latency 26932.733 ms 1 453 0.00 MB/sec execute 23 sec latency 27932.956 ms 1 453 0.00 MB/sec execute 24 sec latency 28933.149 ms 1 453 0.00 MB/sec execute 25 sec latency 29935.343 ms 1 453 0.00 MB/sec execute 26 sec latency 30936.187 ms 1 453 0.00 MB/sec execute 27 sec latency 31936.459 ms 1 453 0.00 MB/sec execute 28 sec latency 32937.340 ms 1 453 0.00 MB/sec execute 29 sec latency 33937.986 ms 1 453 0.00 MB/sec execute 30 sec latency 34938.329 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 453 0.00 MB/sec execute 31 sec latency 35945.159 ms 1 453 0.00 MB/sec execute 32 sec latency 36947.753 ms pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 453 0.00 MB/sec execute 33 sec latency 37948.908 ms Started lustre-MDT0000 22:54:23 (1776999263) targets are mounted 22:54:23 (1776999263) facet_failover done 1 485 0.03 MB/sec execute 34 sec latency 38106.059 ms 1 519 0.06 MB/sec execute 35 sec latency 156.760 ms 1 552 0.09 MB/sec execute 36 sec latency 392.187 ms 1 606 0.14 MB/sec execute 37 sec latency 779.195 ms 1 653 0.14 MB/sec execute 38 sec latency 123.816 ms 1 678 0.13 MB/sec execute 39 sec latency 145.471 ms oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 706 0.13 MB/sec execute 40 sec latency 165.840 ms 1 728 0.13 MB/sec execute 41 sec latency 165.264 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 748 0.13 MB/sec execute 42 sec latency 145.504 ms 1 776 0.13 MB/sec execute 43 sec latency 153.184 ms 1 796 0.13 MB/sec execute 44 sec latency 203.298 ms 1 815 0.12 MB/sec execute 45 sec latency 193.502 ms 1 857 0.12 MB/sec execute 46 sec latency 114.049 ms 1 880 0.12 MB/sec execute 47 sec latency 181.779 ms 1 910 0.12 MB/sec execute 48 sec latency 153.552 ms 1 937 0.12 MB/sec execute 49 sec latency 127.966 ms 1 970 0.12 MB/sec execute 50 sec latency 136.682 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2084 1269220 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9920 3592572 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40096 3565772 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 50016 7158344 1% /mnt/lustre 1 988 0.12 MB/sec execute 51 sec latency 191.603 ms 1 1048 0.13 MB/sec execute 52 sec latency 116.810 ms 1 1082 0.13 MB/sec execute 53 sec latency 122.524 ms 1 1124 0.13 MB/sec execute 54 sec latency 148.519 ms 1 1148 0.13 MB/sec execute 55 sec latency 122.677 ms 1 1172 0.13 MB/sec execute 56 sec latency 403.518 ms 1 1172 0.12 MB/sec execute 57 sec latency 1406.531 ms 1 1202 0.12 MB/sec execute 58 sec latency 1414.420 ms 1 1236 0.12 MB/sec execute 59 sec latency 107.269 ms 1 1268 0.12 MB/sec execute 60 sec latency 211.757 ms 1 1391 0.17 MB/sec execute 61 sec latency 126.861 ms 1 1422 0.16 MB/sec execute 62 sec latency 100.702 ms test_26 fail mds2 2 times 1 1459 0.16 MB/sec execute 63 sec latency 141.306 ms 1 1497 0.16 MB/sec execute 64 sec latency 164.193 ms Failing mds2 on oleg227-server 1 1542 0.16 MB/sec execute 65 sec latency 116.139 ms Stopping /mnt/lustre-mds2 (opts:) on oleg227-server 1 1591 0.16 MB/sec execute 66 sec latency 66.611 ms 1 1619 0.15 MB/sec execute 67 sec latency 254.967 ms 1 1653 0.15 MB/sec execute 68 sec latency 112.676 ms 1 1687 0.15 MB/sec execute 69 sec latency 158.710 ms 1 1731 0.15 MB/sec execute 70 sec latency 124.736 ms 22:54:59 (1776999299) shut down facet: mds2 facet_host: oleg227-server facet_failover_host: oleg227-server 1 1779 0.15 MB/sec execute 71 sec latency 98.638 ms 1 1836 0.14 MB/sec execute 72 sec latency 86.263 ms 1 1909 0.14 MB/sec execute 73 sec latency 91.196 ms 1 1996 0.14 MB/sec execute 74 sec latency 79.301 ms 1 2063 0.14 MB/sec execute 75 sec latency 115.131 ms 1 2154 0.14 MB/sec execute 76 sec latency 53.910 ms 1 2226 0.14 MB/sec execute 77 sec latency 63.320 ms 1 2259 0.14 MB/sec execute 78 sec latency 731.580 ms 1 2259 0.14 MB/sec execute 79 sec latency 1739.711 ms 1 2259 0.14 MB/sec execute 80 sec latency 2740.061 ms Failover mds2 to oleg227-server mount facets: mds2 1 2259 0.13 MB/sec execute 81 sec latency 3742.316 ms 1 2259 0.13 MB/sec execute 82 sec latency 4743.371 ms 1 2259 0.13 MB/sec execute 83 sec latency 5743.560 ms 1 2259 0.13 MB/sec execute 84 sec latency 6747.191 ms 1 2259 0.13 MB/sec execute 85 sec latency 7747.451 ms 1 2259 0.13 MB/sec execute 86 sec latency 8747.703 ms 1 2259 0.12 MB/sec execute 87 sec latency 9752.078 ms 1 2259 0.12 MB/sec execute 88 sec latency 10752.401 ms 1 2259 0.12 MB/sec execute 89 sec latency 11753.402 ms 1 2259 0.12 MB/sec execute 90 sec latency 12755.533 ms 1 2259 0.12 MB/sec execute 91 sec latency 13755.964 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 92 sec latency 14758.056 ms 1 2259 0.12 MB/sec execute 93 sec latency 15758.352 ms 1 2259 0.12 MB/sec execute 94 sec latency 16758.711 ms 1 2259 0.11 MB/sec execute 95 sec latency 17758.951 ms 1 2259 0.11 MB/sec execute 96 sec latency 18759.538 ms 1 2259 0.11 MB/sec execute 97 sec latency 19760.190 ms 1 2259 0.11 MB/sec execute 98 sec latency 20760.891 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 99 sec latency 21775.918 ms 1 cleanup 100 sec pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 22:55:31 (1776999331) targets are mounted 22:55:31 (1776999331) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 328 246.007 38106.038 Close 282 12.860 59.581 Rename 11 126.034 211.724 Unlink 30 29.892 57.854 Qpathinfo 295 16.176 122.503 Qfileinfo 75 2.178 10.390 Qfsinfo 33 5.268 27.471 Sfileinfo 34 83.729 193.480 Find 92 13.084 45.169 WriteX 257 14.426 79.785 ReadX 354 3.433 148.498 Flush 30 72.048 181.747 Throughput 0.109726 MB/sec 1 clients 1 procs max_latency=38106.059 ms stopping dbench on /mnt/lustre at Thu Apr 23 22:55:33 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid striped dir -i0 -c2 -H fnv_1a_64 /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 Thu Apr 23 22:55:43 EDT 2026 waiting for dbench pid 67105 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 10 0.00 MB/sec warmup 1 sec latency 14.199 ms 1 61 1.28 MB/sec warmup 2 sec latency 127.702 ms 1 98 1.48 MB/sec warmup 3 sec latency 183.564 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2320 1268984 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 27168 3578228 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20044 3586632 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47212 7164860 1% /mnt/lustre 1 122 1.37 MB/sec warmup 4 sec latency 219.289 ms 1 147 1.25 MB/sec warmup 5 sec latency 238.024 ms 1 165 1.13 MB/sec warmup 6 sec latency 177.521 ms 1 184 1.05 MB/sec warmup 7 sec latency 423.963 ms 1 212 1.03 MB/sec warmup 8 sec latency 480.174 ms 1 238 1.01 MB/sec warmup 9 sec latency 217.889 ms 1 270 1.02 MB/sec warmup 10 sec latency 162.654 ms 1 297 0.99 MB/sec warmup 11 sec latency 177.078 ms 1 323 0.98 MB/sec warmup 12 sec latency 252.639 ms 1 357 0.98 MB/sec warmup 13 sec latency 126.599 ms 1 389 0.99 MB/sec warmup 14 sec latency 143.017 ms 1 424 0.99 MB/sec warmup 15 sec latency 161.685 ms 1 461 1.01 MB/sec warmup 16 sec latency 146.633 ms test_26 fail mds1 3 times 1 511 1.04 MB/sec warmup 17 sec latency 105.029 ms 1 594 1.14 MB/sec warmup 18 sec latency 128.721 ms Failing mds1 on oleg227-server 1 655 1.11 MB/sec warmup 19 sec latency 138.231 ms Stopping /mnt/lustre-mds1 (opts:) on oleg227-server 1 706 0.01 MB/sec execute 1 sec latency 586.614 ms 1 706 0.00 MB/sec execute 2 sec latency 1592.704 ms 1 706 0.00 MB/sec execute 3 sec latency 2592.911 ms 22:56:06 (1776999366) shut down facet: mds1 facet_host: oleg227-server facet_failover_host: oleg227-server 1 706 0.00 MB/sec execute 4 sec latency 3593.156 ms 1 706 0.00 MB/sec execute 5 sec latency 4600.616 ms 1 706 0.00 MB/sec execute 6 sec latency 5601.543 ms 1 706 0.00 MB/sec execute 7 sec latency 6601.765 ms 1 706 0.00 MB/sec execute 8 sec latency 7602.145 ms 1 706 0.00 MB/sec execute 9 sec latency 8602.551 ms 1 706 0.00 MB/sec execute 10 sec latency 9602.750 ms 1 706 0.00 MB/sec execute 11 sec latency 10602.951 ms 1 706 0.00 MB/sec execute 12 sec latency 11604.099 ms 1 706 0.00 MB/sec execute 13 sec latency 12604.627 ms Failover mds1 to oleg227-server mount facets: mds1 1 706 0.00 MB/sec execute 14 sec latency 13608.181 ms 1 706 0.00 MB/sec execute 15 sec latency 14608.558 ms 1 706 0.00 MB/sec execute 16 sec latency 15624.111 ms 1 706 0.00 MB/sec execute 17 sec latency 16629.712 ms 1 706 0.00 MB/sec execute 18 sec latency 17630.569 ms 1 706 0.00 MB/sec execute 19 sec latency 18636.150 ms 1 706 0.00 MB/sec execute 20 sec latency 19636.733 ms 1 706 0.00 MB/sec execute 21 sec latency 20639.399 ms 1 706 0.00 MB/sec execute 22 sec latency 21640.140 ms 1 706 0.00 MB/sec execute 23 sec latency 22640.441 ms 1 706 0.00 MB/sec execute 24 sec latency 23640.685 ms 1 706 0.00 MB/sec execute 25 sec latency 24640.841 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 706 0.00 MB/sec execute 26 sec latency 25641.986 ms 1 706 0.00 MB/sec execute 27 sec latency 26642.597 ms 1 706 0.00 MB/sec execute 28 sec latency 27642.826 ms 1 706 0.00 MB/sec execute 29 sec latency 28643.053 ms 1 706 0.00 MB/sec execute 30 sec latency 29644.994 ms 1 706 0.00 MB/sec execute 31 sec latency 30647.003 ms 1 706 0.00 MB/sec execute 32 sec latency 31647.537 ms 1 706 0.00 MB/sec execute 33 sec latency 32647.730 ms 1 706 0.00 MB/sec execute 34 sec latency 33650.259 ms 1 706 0.00 MB/sec execute 35 sec latency 34650.448 ms 1 706 0.00 MB/sec execute 36 sec latency 35650.868 ms 1 706 0.00 MB/sec execute 37 sec latency 36651.722 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 706 0.00 MB/sec execute 38 sec latency 37658.702 ms pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 706 0.00 MB/sec execute 39 sec latency 38658.869 ms Started lustre-MDT0000 22:56:43 (1776999403) targets are mounted 22:56:43 (1776999403) facet_failover done 1 706 0.00 MB/sec execute 40 sec latency 39663.692 ms 1 720 0.00 MB/sec execute 41 sec latency 39861.425 ms 1 735 0.00 MB/sec execute 42 sec latency 756.547 ms 1 773 0.00 MB/sec execute 43 sec latency 176.620 ms 1 803 0.01 MB/sec execute 44 sec latency 108.356 ms oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 857 0.01 MB/sec execute 45 sec latency 103.152 ms 1 882 0.01 MB/sec execute 46 sec latency 140.668 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 910 0.01 MB/sec execute 47 sec latency 167.840 ms 1 959 0.01 MB/sec execute 48 sec latency 98.962 ms 1 1028 0.03 MB/sec execute 49 sec latency 95.435 ms 1 1085 0.03 MB/sec execute 50 sec latency 106.845 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1145 0.04 MB/sec execute 51 sec latency 83.430 ms 1 1214 0.04 MB/sec execute 52 sec latency 73.037 ms 1 1257 0.04 MB/sec execute 53 sec latency 105.444 ms 1 1319 0.06 MB/sec execute 54 sec latency 398.519 ms 1 1409 0.09 MB/sec execute 55 sec latency 429.480 ms 1 1470 0.09 MB/sec execute 56 sec latency 97.033 ms 1 1516 0.09 MB/sec execute 57 sec latency 94.054 ms 1 1562 0.08 MB/sec execute 58 sec latency 94.497 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Apr 23 22:57:02 EDT 2026 with return code 0 1 1593 0.08 MB/sec execute 59 sec latency 62.684 ms 67105 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67105 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished