== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:14:58 (1790738098) Starting client oleg425-client.virtnet: -o user_xattr,flock 192.168.204.125@tcp:/lustre /mnt/lustre Started clients oleg425-client.virtnet: 192.168.204.125@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 65673 Started dbench loop with 65674 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H all_char /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 22044 3584892 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23588 7190368 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 Tue Sep 29 23:15:04 EDT 2026 waiting for dbench pid 65749 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 24 0.65 MB/sec warmup 1 sec latency 15.223 ms 1 79 1.73 MB/sec warmup 2 sec latency 105.588 ms 1 113 1.75 MB/sec warmup 3 sec latency 245.965 ms 1 140 1.50 MB/sec warmup 4 sec latency 194.404 ms 1 181 1.46 MB/sec warmup 5 sec latency 179.986 ms 1 198 1.31 MB/sec warmup 6 sec latency 410.985 ms 1 226 1.23 MB/sec warmup 7 sec latency 167.181 ms 1 263 1.24 MB/sec warmup 8 sec latency 133.281 ms 1 306 1.25 MB/sec warmup 9 sec latency 114.157 ms test_26 fail mds1 1 times 1 347 1.24 MB/sec warmup 10 sec latency 132.078 ms 1 384 1.23 MB/sec warmup 11 sec latency 147.334 ms Failing mds1 on oleg425-server 1 414 1.22 MB/sec warmup 12 sec latency 213.705 ms Stopping /mnt/lustre-mds1 (opts:) on oleg425-server 1 453 1.22 MB/sec warmup 13 sec latency 136.746 ms 1 493 1.23 MB/sec warmup 14 sec latency 176.125 ms 1 501 1.16 MB/sec warmup 15 sec latency 834.318 ms 1 501 1.09 MB/sec warmup 16 sec latency 1835.078 ms 23:15:21 (1790738121) shut down facet: mds1 facet_host: oleg425-server facet_failover_host: oleg425-server 1 501 1.03 MB/sec warmup 17 sec latency 2835.421 ms 1 501 0.97 MB/sec warmup 18 sec latency 3836.201 ms 1 501 0.92 MB/sec warmup 19 sec latency 4837.231 ms 1 501 0.00 MB/sec execute 1 sec latency 6837.679 ms 1 501 0.00 MB/sec execute 2 sec latency 7838.645 ms 1 501 0.00 MB/sec execute 3 sec latency 8839.061 ms 1 501 0.00 MB/sec execute 4 sec latency 9839.946 ms 1 501 0.00 MB/sec execute 5 sec latency 10843.556 ms 1 501 0.00 MB/sec execute 6 sec latency 11843.806 ms 1 501 0.00 MB/sec execute 7 sec latency 12844.018 ms Failover mds1 to oleg425-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 13844.661 ms 1 501 0.00 MB/sec execute 9 sec latency 14845.431 ms 1 501 0.00 MB/sec execute 10 sec latency 15845.796 ms 1 501 0.00 MB/sec execute 11 sec latency 16846.403 ms 1 501 0.00 MB/sec execute 12 sec latency 17847.345 ms 1 501 0.00 MB/sec execute 13 sec latency 18847.804 ms 1 501 0.00 MB/sec execute 14 sec latency 19848.056 ms 1 501 0.00 MB/sec execute 15 sec latency 20848.494 ms 1 501 0.00 MB/sec execute 16 sec latency 21850.755 ms 1 501 0.00 MB/sec execute 17 sec latency 22851.887 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 18 sec latency 23854.866 ms 1 501 0.00 MB/sec execute 19 sec latency 24855.815 ms 1 501 0.00 MB/sec execute 20 sec latency 25857.239 ms 1 501 0.00 MB/sec execute 21 sec latency 26858.147 ms 1 501 0.00 MB/sec execute 22 sec latency 27858.441 ms 1 501 0.00 MB/sec execute 23 sec latency 28860.530 ms 1 501 0.00 MB/sec execute 24 sec latency 29860.790 ms 1 501 0.00 MB/sec execute 25 sec latency 30861.029 ms 1 501 0.00 MB/sec execute 26 sec latency 31861.333 ms 1 501 0.00 MB/sec execute 27 sec latency 32861.594 ms 1 501 0.00 MB/sec execute 28 sec latency 33862.432 ms oleg425-server: oleg425-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 34862.812 ms 1 501 0.00 MB/sec execute 30 sec latency 35866.979 ms pdsh@oleg425-client: oleg425-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 31 sec latency 36868.078 ms 1 501 0.00 MB/sec execute 32 sec latency 37869.467 ms Started lustre-MDT0000 23:15:56 (1790738156) targets are mounted 23:15:57 (1790738157) facet_failover done 1 523 0.02 MB/sec execute 33 sec latency 37944.430 ms 1 552 0.05 MB/sec execute 34 sec latency 511.555 ms 1 592 0.09 MB/sec execute 35 sec latency 1038.196 ms 1 646 0.10 MB/sec execute 36 sec latency 111.006 ms 1 674 0.10 MB/sec execute 37 sec latency 130.730 ms 1 699 0.10 MB/sec execute 38 sec latency 194.724 ms 1 733 0.10 MB/sec execute 39 sec latency 117.200 ms 1 765 0.10 MB/sec execute 40 sec latency 191.875 ms oleg425-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 794 0.10 MB/sec execute 41 sec latency 135.876 ms 1 815 0.10 MB/sec execute 42 sec latency 135.746 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 864 0.10 MB/sec execute 43 sec latency 156.372 ms 1 890 0.10 MB/sec execute 44 sec latency 122.992 ms 1 916 0.10 MB/sec execute 45 sec latency 171.209 ms 1 952 0.09 MB/sec execute 46 sec latency 142.928 ms 1 981 0.09 MB/sec execute 47 sec latency 160.638 ms 1 1038 0.11 MB/sec execute 48 sec latency 140.514 ms 1 1081 0.11 MB/sec execute 49 sec latency 144.754 ms 1 1126 0.11 MB/sec execute 50 sec latency 115.488 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2152 1269152 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45748 3558640 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9900 3596016 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55648 7154656 1% /mnt/lustre 1 1154 0.11 MB/sec execute 51 sec latency 141.923 ms 1 1172 0.11 MB/sec execute 52 sec latency 522.525 ms 1 1192 0.11 MB/sec execute 53 sec latency 801.942 ms 1 1223 0.10 MB/sec execute 54 sec latency 141.840 ms 1 1252 0.10 MB/sec execute 55 sec latency 121.028 ms 1 1271 0.10 MB/sec execute 56 sec latency 503.716 ms 1 1271 0.10 MB/sec execute 57 sec latency 1504.170 ms 1 1385 0.15 MB/sec execute 58 sec latency 1663.046 ms 1 1422 0.14 MB/sec execute 59 sec latency 128.215 ms 1 1468 0.14 MB/sec execute 60 sec latency 106.653 ms test_26 fail mds2 2 times 1 1505 0.14 MB/sec execute 61 sec latency 96.534 ms 1 1554 0.14 MB/sec execute 62 sec latency 107.896 ms Failing mds2 on oleg425-server 1 1605 0.14 MB/sec execute 63 sec latency 83.199 ms Stopping /mnt/lustre-mds2 (opts:) on oleg425-server 1 1646 0.14 MB/sec execute 64 sec latency 115.949 ms 1 1678 0.13 MB/sec execute 65 sec latency 140.431 ms 1 1678 0.13 MB/sec execute 66 sec latency 1061.959 ms 1 1678 0.13 MB/sec execute 67 sec latency 2062.222 ms 23:16:31 (1790738191) shut down facet: mds2 facet_host: oleg425-server facet_failover_host: oleg425-server 1 1678 0.13 MB/sec execute 68 sec latency 3062.604 ms 1 1678 0.13 MB/sec execute 69 sec latency 4063.011 ms 1 1678 0.12 MB/sec execute 70 sec latency 5063.972 ms 1 1678 0.12 MB/sec execute 71 sec latency 6064.613 ms 1 1678 0.12 MB/sec execute 72 sec latency 7067.572 ms 1 1678 0.12 MB/sec execute 73 sec latency 8068.082 ms 1 1678 0.12 MB/sec execute 74 sec latency 9069.973 ms 1 1678 0.12 MB/sec execute 75 sec latency 10070.469 ms 1 1678 0.12 MB/sec execute 76 sec latency 11070.783 ms 1 1678 0.11 MB/sec execute 77 sec latency 12070.997 ms Failover mds2 to oleg425-server mount facets: mds2 1 1678 0.11 MB/sec execute 78 sec latency 13071.675 ms 1 1678 0.11 MB/sec execute 79 sec latency 14072.013 ms 1 1678 0.11 MB/sec execute 80 sec latency 15072.863 ms 1 1678 0.11 MB/sec execute 81 sec latency 16074.045 ms 1 1678 0.11 MB/sec execute 82 sec latency 17079.166 ms 1 1678 0.11 MB/sec execute 83 sec latency 18079.413 ms 1 1678 0.10 MB/sec execute 84 sec latency 19083.927 ms 1 1678 0.10 MB/sec execute 85 sec latency 20086.110 ms 1 1678 0.10 MB/sec execute 86 sec latency 21086.370 ms 1 1678 0.10 MB/sec execute 87 sec latency 22086.742 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1678 0.10 MB/sec execute 88 sec latency 23086.983 ms 1 1678 0.10 MB/sec execute 89 sec latency 24090.514 ms 1 1678 0.10 MB/sec execute 90 sec latency 25091.692 ms 1 1678 0.10 MB/sec execute 91 sec latency 26091.932 ms 1 1678 0.10 MB/sec execute 92 sec latency 27092.494 ms 1 1678 0.09 MB/sec execute 93 sec latency 28092.786 ms 1 1678 0.09 MB/sec execute 94 sec latency 29093.143 ms 1 1678 0.09 MB/sec execute 95 sec latency 30093.880 ms oleg425-server: oleg425-server.virtnet: executing set_default_debug -1 all 1 1678 0.09 MB/sec execute 96 sec latency 31094.094 ms pdsh@oleg425-client: oleg425-server: ssh exited with exit code 1 1 1678 0.09 MB/sec execute 97 sec latency 32097.677 ms Started lustre-MDT0001 23:17:02 (1790738222) targets are mounted 1 1678 0.09 MB/sec execute 98 sec latency 33097.945 ms 23:17:02 (1790738222) facet_failover done 1 1715 0.09 MB/sec execute 99 sec latency 33137.366 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 214 244.376 37944.412 Close 188 199.331 33137.344 Rename 11 115.183 171.187 Unlink 24 29.741 63.087 Qpathinfo 173 19.649 121.009 Qfileinfo 51 2.732 17.999 Qfsinfo 33 6.240 38.525 Sfileinfo 34 80.606 194.655 Find 64 16.848 85.078 WriteX 185 16.259 80.058 ReadX 271 0.258 12.968 Flush 27 66.048 130.707 Throughput 0.0885502 MB/sec 1 clients 1 procs max_latency=37944.430 ms stopping dbench on /mnt/lustre at Tue Sep 29 23:17:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg425-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 Tue Sep 29 23:17:15 EDT 2026 waiting for dbench pid 67880 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 1 14 0.00 MB/sec warmup 1 sec latency 4.335 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2392 1268912 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:1] 1 72 1.57 MB/sec warmup 2 sec latency 120.081 ms lustre-OST0000_UUID 3833116 45328 3559276 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1916 3604964 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47244 7164240 1% /mnt/lustre 1 116 1.74 MB/sec warmup 3 sec latency 183.092 ms 1 147 1.57 MB/sec warmup 4 sec latency 209.529 ms 1 176 1.41 MB/sec warmup 5 sec latency 180.521 ms 1 190 1.26 MB/sec warmup 6 sec latency 571.681 ms 1 223 1.23 MB/sec warmup 7 sec latency 128.109 ms 1 246 1.17 MB/sec warmup 8 sec latency 487.056 ms 1 255 1.07 MB/sec warmup 9 sec latency 1216.439 ms 1 289 1.07 MB/sec warmup 10 sec latency 148.066 ms 1 319 1.05 MB/sec warmup 11 sec latency 184.159 ms 1 357 1.06 MB/sec warmup 12 sec latency 138.850 ms test_26 fail mds1 3 times 1 397 1.08 MB/sec warmup 13 sec latency 111.848 ms 1 429 1.08 MB/sec warmup 14 sec latency 150.597 ms Failing mds1 on oleg425-server 1 461 1.07 MB/sec warmup 15 sec latency 171.025 ms Stopping /mnt/lustre-mds1 (opts:) on oleg425-server 1 501 1.09 MB/sec warmup 16 sec latency 128.432 ms 1 533 1.09 MB/sec warmup 17 sec latency 139.313 ms 1 541 1.06 MB/sec warmup 18 sec latency 932.653 ms 1 541 1.00 MB/sec warmup 19 sec latency 1933.050 ms 23:17:35 (1790738255) shut down facet: mds1 facet_host: oleg425-server facet_failover_host: oleg425-server 1 541 0.00 MB/sec execute 1 sec latency 3939.693 ms 1 541 0.00 MB/sec execute 2 sec latency 4941.861 ms 1 541 0.00 MB/sec execute 3 sec latency 5942.492 ms 1 541 0.00 MB/sec execute 4 sec latency 6942.852 ms 1 541 0.00 MB/sec execute 5 sec latency 7943.271 ms 1 541 0.00 MB/sec execute 6 sec latency 8944.690 ms 1 541 0.00 MB/sec execute 7 sec latency 9945.005 ms 1 541 0.00 MB/sec execute 8 sec latency 10945.582 ms 1 541 0.00 MB/sec execute 9 sec latency 11946.020 ms Failover mds1 to oleg425-server 1 541 0.00 MB/sec execute 10 sec latency 12952.068 ms mount facets: mds1 1 541 0.00 MB/sec execute 11 sec latency 13952.336 ms 1 541 0.00 MB/sec execute 12 sec latency 14956.426 ms 1 541 0.00 MB/sec execute 13 sec latency 15959.406 ms 1 541 0.00 MB/sec execute 14 sec latency 16959.823 ms 1 541 0.00 MB/sec execute 15 sec latency 17962.603 ms 1 541 0.00 MB/sec execute 16 sec latency 18963.371 ms 1 541 0.00 MB/sec execute 17 sec latency 19963.648 ms 1 541 0.00 MB/sec execute 18 sec latency 20965.313 ms 1 541 0.00 MB/sec execute 19 sec latency 21966.065 ms 1 541 0.00 MB/sec execute 20 sec latency 22966.537 ms 1 541 0.00 MB/sec execute 21 sec latency 23966.794 ms 1 541 0.00 MB/sec execute 22 sec latency 24967.060 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 541 0.00 MB/sec execute 23 sec latency 25969.631 ms 1 541 0.00 MB/sec execute 24 sec latency 26969.948 ms 1 541 0.00 MB/sec execute 25 sec latency 27970.213 ms 1 541 0.00 MB/sec execute 26 sec latency 28970.572 ms 1 541 0.00 MB/sec execute 27 sec latency 29973.264 ms 1 541 0.00 MB/sec execute 28 sec latency 30975.668 ms 1 541 0.00 MB/sec execute 29 sec latency 31976.967 ms 1 541 0.00 MB/sec execute 30 sec latency 32977.568 ms oleg425-server: oleg425-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 31 sec latency 33978.276 ms 1 541 0.00 MB/sec execute 32 sec latency 34978.657 ms pdsh@oleg425-client: oleg425-server: ssh exited with exit code 1 1 541 0.00 MB/sec execute 33 sec latency 35979.176 ms Started lustre-MDT0000 23:18:09 (1790738289) targets are mounted 23:18:09 (1790738289) facet_failover done 1 603 0.05 MB/sec execute 34 sec latency 36455.287 ms 1 661 0.06 MB/sec execute 35 sec latency 106.367 ms 1 699 0.06 MB/sec execute 36 sec latency 96.414 ms 1 731 0.06 MB/sec execute 37 sec latency 128.934 ms 1 769 0.06 MB/sec execute 38 sec latency 105.650 ms 1 791 0.06 MB/sec execute 39 sec latency 153.272 ms 1 820 0.06 MB/sec execute 40 sec latency 123.288 ms oleg425-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 872 0.06 MB/sec execute 41 sec latency 87.923 ms 1 884 0.06 MB/sec execute 42 sec latency 613.935 ms 1 888 0.06 MB/sec execute 43 sec latency 1288.279 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 914 0.06 MB/sec execute 44 sec latency 139.524 ms 1 940 0.06 MB/sec execute 45 sec latency 142.092 ms 1 977 0.06 MB/sec execute 46 sec latency 119.035 ms 1 997 0.06 MB/sec execute 47 sec latency 140.220 ms 1 1063 0.08 MB/sec execute 48 sec latency 114.965 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1126 0.08 MB/sec execute 49 sec latency 97.473 ms 1 1164 0.08 MB/sec execute 50 sec latency 127.345 ms 1 1215 0.08 MB/sec execute 51 sec latency 71.483 ms 1 1244 0.08 MB/sec execute 52 sec latency 187.817 ms 1 1278 0.08 MB/sec execute 53 sec latency 149.281 ms 1 1403 0.13 MB/sec execute 54 sec latency 92.928 ms 1 1431 0.13 MB/sec execute 55 sec latency 139.240 ms 1 1467 0.12 MB/sec execute 56 sec latency 191.877 ms 1 1502 0.12 MB/sec execute 57 sec latency 305.926 ms 1 1546 0.12 MB/sec execute 58 sec latency 100.397 ms 1 1597 0.12 MB/sec execute 59 sec latency 122.294 ms 1 1632 0.12 MB/sec execute 60 sec latency 111.677 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1665 0.12 MB/sec execute 61 sec latency 120.255 ms stopping dbench on /mnt/lustre at Tue Sep 29 23:18:37 EDT 2026 with return code 0 67880 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67880 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished