== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:35:26 (1786066526) Starting client oleg658-client.virtnet: -o user_xattr,flock 192.168.206.158@tcp:/lustre /mnt/lustre Started clients oleg658-client.virtnet: 192.168.206.158@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 65650 Started dbench loop with 65651 striped dir -i0 -c2 -H all_char /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 1964 1269340 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3584868 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190344 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 Aug 6 21:35:32 EDT 2026 waiting for dbench pid 65730 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 23 0.59 MB/sec warmup 1 sec latency 11.723 ms 1 74 1.57 MB/sec warmup 2 sec latency 143.985 ms 1 113 1.75 MB/sec warmup 3 sec latency 209.238 ms 1 139 1.50 MB/sec warmup 4 sec latency 190.941 ms 1 173 1.41 MB/sec warmup 5 sec latency 165.898 ms 1 199 1.31 MB/sec warmup 6 sec latency 325.635 ms 1 234 1.27 MB/sec warmup 7 sec latency 145.055 ms 1 271 1.27 MB/sec warmup 8 sec latency 120.705 ms 1 312 1.28 MB/sec warmup 9 sec latency 125.711 ms test_26 fail mds1 1 times 1 349 1.25 MB/sec warmup 10 sec latency 118.813 ms Failing mds1 on oleg658-server 1 382 1.23 MB/sec warmup 11 sec latency 168.097 ms Stopping /mnt/lustre-mds1 (opts:) on oleg658-server 1 421 1.24 MB/sec warmup 12 sec latency 158.273 ms 1 453 1.22 MB/sec warmup 13 sec latency 220.189 ms 1 453 1.13 MB/sec warmup 14 sec latency 1220.415 ms 21:35:48 (1786066548) shut down 1 453 1.06 MB/sec warmup 15 sec latency 2220.784 ms facet: mds1 facet_host: oleg658-server facet_failover_host: oleg658-server 1 453 0.99 MB/sec warmup 16 sec latency 3222.403 ms 1 453 0.93 MB/sec warmup 17 sec latency 4223.397 ms 1 453 0.88 MB/sec warmup 18 sec latency 5224.826 ms 1 453 0.84 MB/sec warmup 19 sec latency 6225.035 ms 1 453 0.00 MB/sec execute 1 sec latency 8227.919 ms 1 453 0.00 MB/sec execute 2 sec latency 9228.231 ms 1 453 0.00 MB/sec execute 3 sec latency 10228.785 ms 1 453 0.00 MB/sec execute 4 sec latency 11232.449 ms 1 453 0.00 MB/sec execute 5 sec latency 12232.835 ms Failover mds1 to oleg658-server mount facets: mds1 1 453 0.00 MB/sec execute 6 sec latency 13234.850 ms 1 453 0.00 MB/sec execute 7 sec latency 14234.987 ms 1 453 0.00 MB/sec execute 8 sec latency 15235.537 ms 1 453 0.00 MB/sec execute 9 sec latency 16238.716 ms 1 453 0.00 MB/sec execute 10 sec latency 17238.900 ms 1 453 0.00 MB/sec execute 11 sec latency 18240.578 ms 1 453 0.00 MB/sec execute 12 sec latency 19245.425 ms 1 453 0.00 MB/sec execute 13 sec latency 20246.776 ms 1 453 0.00 MB/sec execute 14 sec latency 21247.128 ms 1 453 0.00 MB/sec execute 15 sec latency 22247.409 ms 1 453 0.00 MB/sec execute 16 sec latency 23253.712 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 453 0.00 MB/sec execute 17 sec latency 24266.147 ms 1 453 0.00 MB/sec execute 18 sec latency 25267.006 ms 1 453 0.00 MB/sec execute 19 sec latency 26267.187 ms 1 453 0.00 MB/sec execute 20 sec latency 27268.508 ms 1 453 0.00 MB/sec execute 21 sec latency 28268.711 ms 1 453 0.00 MB/sec execute 22 sec latency 29270.113 ms 1 453 0.00 MB/sec execute 23 sec latency 30270.710 ms 1 453 0.00 MB/sec execute 24 sec latency 31271.004 ms 1 453 0.00 MB/sec execute 25 sec latency 32272.803 ms 1 453 0.00 MB/sec execute 26 sec latency 33273.090 ms 1 453 0.00 MB/sec execute 27 sec latency 34273.276 ms 1 453 0.00 MB/sec execute 28 sec latency 35274.650 ms 1 453 0.00 MB/sec execute 29 sec latency 36274.751 ms 1 453 0.00 MB/sec execute 30 sec latency 37275.898 ms 1 453 0.00 MB/sec execute 31 sec latency 38276.668 ms 1 453 0.00 MB/sec execute 32 sec latency 39276.922 ms 1 453 0.00 MB/sec execute 33 sec latency 40279.249 ms oleg658-server: oleg658-server.virtnet: executing set_default_debug -1 all 1 453 0.00 MB/sec execute 34 sec latency 41281.039 ms pdsh@oleg658-client: oleg658-server: ssh exited with exit code 1 1 453 0.00 MB/sec execute 35 sec latency 42287.426 ms 1 456 0.00 MB/sec execute 36 sec latency 43233.978 ms Started lustre-MDT0000 21:36:29 (1786066589) targets are mounted 21:36:29 (1786066589) facet_failover done 1 485 0.03 MB/sec execute 37 sec latency 172.365 ms 1 513 0.05 MB/sec execute 38 sec latency 173.208 ms 1 552 0.08 MB/sec execute 39 sec latency 173.405 ms 1 607 0.13 MB/sec execute 40 sec latency 364.534 ms 1 642 0.13 MB/sec execute 41 sec latency 159.984 ms 1 664 0.12 MB/sec execute 42 sec latency 175.550 ms 1 689 0.12 MB/sec execute 43 sec latency 164.578 ms 1 710 0.12 MB/sec execute 44 sec latency 195.730 ms oleg658-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 731 0.12 MB/sec execute 45 sec latency 245.238 ms 1 749 0.12 MB/sec execute 46 sec latency 153.775 ms 1 776 0.12 MB/sec execute 47 sec latency 188.345 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 798 0.12 MB/sec execute 48 sec latency 219.707 ms 1 821 0.11 MB/sec execute 49 sec latency 119.217 ms 1 864 0.11 MB/sec execute 50 sec latency 156.139 ms 1 888 0.11 MB/sec execute 51 sec latency 123.917 ms 1 917 0.11 MB/sec execute 52 sec latency 135.267 ms 1 955 0.11 MB/sec execute 53 sec latency 108.701 ms 1 980 0.11 MB/sec execute 54 sec latency 170.365 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1924 1269380 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46688 3557092 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 8452 3597212 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55140 7154304 1% /mnt/lustre 1 993 0.11 MB/sec execute 55 sec latency 183.991 ms 1 1051 0.12 MB/sec execute 56 sec latency 107.265 ms 1 1094 0.12 MB/sec execute 57 sec latency 107.048 ms 1 1136 0.12 MB/sec execute 58 sec latency 86.424 ms 1 1156 0.12 MB/sec execute 59 sec latency 285.291 ms 1 1172 0.12 MB/sec execute 60 sec latency 639.880 ms 1 1192 0.12 MB/sec execute 61 sec latency 776.193 ms 1 1226 0.12 MB/sec execute 62 sec latency 93.367 ms 1 1261 0.11 MB/sec execute 63 sec latency 141.185 ms 1 1387 0.16 MB/sec execute 64 sec latency 94.715 ms 1 1426 0.16 MB/sec execute 65 sec latency 88.546 ms test_26 fail mds2 2 times 1 1470 0.15 MB/sec execute 66 sec latency 126.687 ms 1 1504 0.15 MB/sec execute 67 sec latency 130.307 ms Failing mds2 on oleg658-server 1 1538 0.15 MB/sec execute 68 sec latency 131.051 ms Stopping /mnt/lustre-mds2 (opts:) on oleg658-server 1 1573 0.15 MB/sec execute 69 sec latency 91.818 ms 1 1627 0.15 MB/sec execute 70 sec latency 113.019 ms 1 1669 0.14 MB/sec execute 71 sec latency 133.563 ms 1 1717 0.14 MB/sec execute 72 sec latency 93.861 ms 1 1791 0.14 MB/sec execute 73 sec latency 82.085 ms 1 1861 0.14 MB/sec execute 74 sec latency 71.929 ms 1 1941 0.14 MB/sec execute 75 sec latency 111.400 ms 1 2004 0.14 MB/sec execute 76 sec latency 130.785 ms 1 2071 0.14 MB/sec execute 77 sec latency 85.534 ms 21:37:11 (1786066631) shut down facet: mds2 facet_host: oleg658-server facet_failover_host: oleg658-server 1 2128 0.14 MB/sec execute 78 sec latency 102.425 ms 1 2185 0.14 MB/sec execute 79 sec latency 76.742 ms 1 2253 0.14 MB/sec execute 80 sec latency 90.096 ms 1 2259 0.13 MB/sec execute 81 sec latency 953.715 ms 1 2259 0.13 MB/sec execute 82 sec latency 1953.894 ms 1 2259 0.13 MB/sec execute 83 sec latency 2954.518 ms 1 2259 0.13 MB/sec execute 84 sec latency 3954.798 ms 1 2259 0.13 MB/sec execute 85 sec latency 4955.020 ms 1 2259 0.13 MB/sec execute 86 sec latency 5956.557 ms 1 2259 0.12 MB/sec execute 87 sec latency 6956.986 ms 1 2259 0.12 MB/sec execute 88 sec latency 7959.517 ms Failover mds2 to oleg658-server mount facets: mds2 1 2259 0.12 MB/sec execute 89 sec latency 8959.781 ms 1 2259 0.12 MB/sec execute 90 sec latency 9961.824 ms 1 2259 0.12 MB/sec execute 91 sec latency 10962.251 ms 1 2259 0.12 MB/sec execute 92 sec latency 11964.404 ms 1 2259 0.12 MB/sec execute 93 sec latency 12965.987 ms 1 2259 0.12 MB/sec execute 94 sec latency 13966.125 ms 1 2259 0.11 MB/sec execute 95 sec latency 14966.750 ms 1 2259 0.11 MB/sec execute 96 sec latency 15966.904 ms 1 2259 0.11 MB/sec execute 97 sec latency 16968.572 ms 1 2259 0.11 MB/sec execute 98 sec latency 17969.456 ms 1 2259 0.11 MB/sec execute 99 sec latency 18969.641 ms 1 cleanup 100 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 101 sec 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 oleg658-server: oleg658-server.virtnet: executing set_default_debug -1 all 1 cleanup 109 sec pdsh@oleg658-client: oleg658-server: ssh exited with exit code 1 1 cleanup 110 sec Started lustre-MDT0001 21:37:44 (1786066664) targets are mounted 21:37:44 (1786066664) facet_failover done 1 cleanup 111 sec 1 cleanup 112 sec 0 cleanup 113 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 326 283.968 43233.909 Close 282 13.643 65.928 Rename 11 133.962 285.263 Unlink 30 31.808 63.450 Qpathinfo 295 17.372 122.262 Qfileinfo 75 3.094 45.463 Qfsinfo 33 5.445 44.290 Sfileinfo 34 82.003 164.435 Find 92 14.262 127.017 WriteX 251 15.167 84.731 ReadX 348 3.464 151.877 Flush 30 69.601 134.764 Throughput 0.109717 MB/sec 1 clients 1 procs max_latency=43233.978 ms stopping dbench on /mnt/lustre at Thu Aug 6 21:37:45 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 oleg658-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-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 Thu Aug 6 21:37:54 EDT 2026 waiting for dbench pid 67763 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 94.872 ms 1 78 1.70 MB/sec warmup 2 sec latency 93.935 ms 1 135 1.99 MB/sec warmup 3 sec latency 156.511 ms 1 165 1.70 MB/sec warmup 4 sec latency 131.107 ms 1 188 1.52 MB/sec warmup 5 sec latency 390.359 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2192 1269112 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19476 3586660 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27144 3577672 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46620 7164332 1% /mnt/lustre 1 218 1.39 MB/sec warmup 6 sec latency 173.705 ms 1 255 1.38 MB/sec warmup 7 sec latency 156.745 ms 1 280 1.30 MB/sec warmup 8 sec latency 233.752 ms 1 305 1.25 MB/sec warmup 9 sec latency 192.992 ms 1 331 1.20 MB/sec warmup 10 sec latency 185.753 ms 1 349 1.14 MB/sec warmup 11 sec latency 405.745 ms 1 349 1.04 MB/sec warmup 12 sec latency 1406.529 ms 1 373 1.02 MB/sec warmup 13 sec latency 1718.797 ms 1 405 1.02 MB/sec warmup 14 sec latency 168.028 ms 1 440 1.02 MB/sec warmup 15 sec latency 118.065 ms test_26 fail mds1 3 times 1 474 1.03 MB/sec warmup 16 sec latency 180.304 ms 1 501 1.03 MB/sec warmup 17 sec latency 159.316 ms Failing mds1 on oleg658-server 1 528 1.01 MB/sec warmup 18 sec latency 191.888 ms 1 599 1.10 MB/sec warmup 19 sec latency 90.381 ms Stopping /mnt/lustre-mds1 (opts:) on oleg658-server 1 655 0.00 MB/sec execute 1 sec latency 873.171 ms 1 655 0.00 MB/sec execute 2 sec latency 1873.351 ms 1 655 0.00 MB/sec execute 3 sec latency 2874.072 ms 1 655 0.00 MB/sec execute 4 sec latency 3874.242 ms 1 655 0.00 MB/sec execute 5 sec latency 4874.479 ms 1 655 0.00 MB/sec execute 6 sec latency 5876.520 ms 1 655 0.00 MB/sec execute 7 sec latency 6876.661 ms 21:38:22 (1786066702) shut down facet: mds1 facet_host: oleg658-server facet_failover_host: oleg658-server 1 655 0.00 MB/sec execute 8 sec latency 7876.994 ms 1 655 0.00 MB/sec execute 9 sec latency 8877.615 ms 1 655 0.00 MB/sec execute 10 sec latency 9877.900 ms 1 655 0.00 MB/sec execute 11 sec latency 10878.393 ms 1 655 0.00 MB/sec execute 12 sec latency 11879.005 ms 1 655 0.00 MB/sec execute 13 sec latency 12879.329 ms 1 655 0.00 MB/sec execute 14 sec latency 13879.526 ms 1 655 0.00 MB/sec execute 15 sec latency 14879.698 ms 1 655 0.00 MB/sec execute 16 sec latency 15880.244 ms 1 655 0.00 MB/sec execute 17 sec latency 16880.622 ms Failover mds1 to oleg658-server 1 655 0.00 MB/sec execute 18 sec latency 17880.753 ms mount facets: mds1 1 655 0.00 MB/sec execute 19 sec latency 18881.110 ms 1 655 0.00 MB/sec execute 20 sec latency 19881.300 ms 1 655 0.00 MB/sec execute 21 sec latency 20881.517 ms 1 655 0.00 MB/sec execute 22 sec latency 21881.666 ms 1 655 0.00 MB/sec execute 23 sec latency 22882.351 ms 1 655 0.00 MB/sec execute 24 sec latency 23884.132 ms 1 655 0.00 MB/sec execute 25 sec latency 24886.555 ms 1 655 0.00 MB/sec execute 26 sec latency 25888.257 ms 1 655 0.00 MB/sec execute 27 sec latency 26891.020 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 655 0.00 MB/sec execute 28 sec latency 27891.731 ms 1 655 0.00 MB/sec execute 29 sec latency 28892.355 ms 1 655 0.00 MB/sec execute 30 sec latency 29892.689 ms 1 655 0.00 MB/sec execute 31 sec latency 30893.053 ms 1 655 0.00 MB/sec execute 32 sec latency 31895.521 ms 1 655 0.00 MB/sec execute 33 sec latency 32898.761 ms 1 655 0.00 MB/sec execute 34 sec latency 33899.026 ms 1 655 0.00 MB/sec execute 35 sec latency 34899.302 ms 1 655 0.00 MB/sec execute 36 sec latency 35900.107 ms 1 655 0.00 MB/sec execute 37 sec latency 36900.686 ms 1 655 0.00 MB/sec execute 38 sec latency 37901.222 ms 1 655 0.00 MB/sec execute 39 sec latency 38901.526 ms oleg658-server: oleg658-server.virtnet: executing set_default_debug -1 all 1 655 0.00 MB/sec execute 40 sec latency 39902.169 ms 1 655 0.00 MB/sec execute 41 sec latency 40902.469 ms pdsh@oleg658-client: oleg658-server: ssh exited with exit code 1 1 655 0.00 MB/sec execute 42 sec latency 41902.818 ms Started lustre-MDT0000 21:38:57 (1786066737) targets are mounted 21:38:57 (1786066737) facet_failover done 1 661 0.00 MB/sec execute 43 sec latency 42710.678 ms 1 695 0.00 MB/sec execute 44 sec latency 160.223 ms 1 720 0.01 MB/sec execute 45 sec latency 188.595 ms 1 720 0.00 MB/sec execute 46 sec latency 1055.145 ms 1 735 0.01 MB/sec execute 47 sec latency 1237.422 ms 1 762 0.01 MB/sec execute 48 sec latency 213.658 ms 1 780 0.01 MB/sec execute 49 sec latency 177.301 ms 1 806 0.01 MB/sec execute 50 sec latency 110.420 ms 1 825 0.01 MB/sec execute 51 sec latency 184.082 ms oleg658-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 865 0.01 MB/sec execute 52 sec latency 174.925 ms 1 884 0.01 MB/sec execute 53 sec latency 211.573 ms 1 903 0.01 MB/sec execute 54 sec latency 224.831 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 914 0.01 MB/sec execute 55 sec latency 329.139 ms 1 927 0.01 MB/sec execute 56 sec latency 175.952 ms 1 963 0.01 MB/sec execute 57 sec latency 101.091 ms 1 983 0.01 MB/sec execute 58 sec latency 187.161 ms 1 1020 0.02 MB/sec execute 59 sec latency 162.058 ms 1 1059 0.03 MB/sec execute 60 sec latency 129.300 ms 1 1082 0.03 MB/sec execute 61 sec latency 164.991 ms 1 1126 0.03 MB/sec execute 62 sec latency 130.481 ms 1 1147 0.03 MB/sec execute 63 sec latency 135.984 ms 1 1179 0.03 MB/sec execute 64 sec latency 233.670 ms 1 1210 0.03 MB/sec execute 65 sec latency 114.696 ms 1 1238 0.03 MB/sec execute 66 sec latency 103.339 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1271 0.03 MB/sec execute 67 sec latency 139.645 ms 1 1319 0.05 MB/sec execute 68 sec latency 424.943 ms 1 1386 0.07 MB/sec execute 69 sec latency 856.334 ms 1 1422 0.07 MB/sec execute 70 sec latency 91.539 ms 1 1481 0.07 MB/sec execute 71 sec latency 103.186 ms 1 1516 0.07 MB/sec execute 72 sec latency 128.127 ms 1 1566 0.07 MB/sec execute 73 sec latency 77.031 ms 1 1612 0.07 MB/sec execute 74 sec latency 70.053 ms 1 1653 0.07 MB/sec execute 75 sec latency 187.602 ms 1 1686 0.07 MB/sec execute 76 sec latency 146.948 ms 1 1727 0.07 MB/sec execute 77 sec latency 152.626 ms 1 1781 0.07 MB/sec execute 78 sec latency 96.109 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 6 21:39:33 EDT 2026 with return code 0 1 1834 0.07 MB/sec execute 79 sec latency 108.690 ms 67763 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67763 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished