== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:26:05 (1787847965) Starting client oleg611-client.virtnet: -o user_xattr,flock 192.168.206.111@tcp:/lustre /mnt/lustre Started clients oleg611-client.virtnet: 192.168.206.111@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 65642 Started dbench loop with 65643 striped dir -i0 -c2 -H fnv_1a_64 /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 1964 1269340 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13852 3584872 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190348 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 27 12:26:12 EDT 2026 waiting for dbench pid 65722 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 100.651 ms 1 51 1.05 MB/sec warmup 2 sec latency 119.746 ms 1 104 1.61 MB/sec warmup 3 sec latency 192.896 ms 1 129 1.44 MB/sec warmup 4 sec latency 226.534 ms 1 155 1.31 MB/sec warmup 5 sec latency 187.793 ms 1 173 1.18 MB/sec warmup 6 sec latency 259.463 ms 1 187 1.07 MB/sec warmup 7 sec latency 589.195 ms 1 213 1.04 MB/sec warmup 8 sec latency 192.656 ms 1 247 1.04 MB/sec warmup 9 sec latency 134.175 ms 1 280 1.04 MB/sec warmup 10 sec latency 151.012 ms 1 316 1.04 MB/sec warmup 11 sec latency 132.199 ms test_26 fail mds1 1 times 1 339 1.02 MB/sec warmup 12 sec latency 316.613 ms 1 366 1.00 MB/sec warmup 13 sec latency 138.930 ms Failing mds1 on oleg611-server 1 390 0.99 MB/sec warmup 14 sec latency 279.690 ms Stopping /mnt/lustre-mds1 (opts:) on oleg611-server 1 438 1.02 MB/sec warmup 15 sec latency 113.246 ms 1 460 1.01 MB/sec warmup 16 sec latency 376.664 ms 1 460 0.95 MB/sec warmup 17 sec latency 1377.854 ms 1 460 0.90 MB/sec warmup 18 sec latency 2378.353 ms 12:26:30 (1787847990) shut down facet: mds1 facet_host: oleg611-server facet_failover_host: oleg611-server 1 460 0.85 MB/sec warmup 19 sec latency 3378.696 ms 1 460 0.00 MB/sec execute 1 sec latency 5379.422 ms 1 460 0.00 MB/sec execute 2 sec latency 6379.599 ms 1 460 0.00 MB/sec execute 3 sec latency 7379.940 ms 1 460 0.00 MB/sec execute 4 sec latency 8380.272 ms 1 460 0.00 MB/sec execute 5 sec latency 9380.435 ms 1 460 0.00 MB/sec execute 6 sec latency 10380.903 ms 1 460 0.00 MB/sec execute 7 sec latency 11381.896 ms 1 460 0.00 MB/sec execute 8 sec latency 12382.195 ms Failover mds1 to oleg611-server mount facets: mds1 1 460 0.00 MB/sec execute 9 sec latency 13386.123 ms 1 460 0.00 MB/sec execute 10 sec latency 14386.506 ms 1 460 0.00 MB/sec execute 11 sec latency 15387.438 ms 1 460 0.00 MB/sec execute 12 sec latency 16387.643 ms 1 460 0.00 MB/sec execute 13 sec latency 17388.951 ms 1 460 0.00 MB/sec execute 14 sec latency 18391.265 ms 1 460 0.00 MB/sec execute 15 sec latency 19391.970 ms 1 460 0.00 MB/sec execute 16 sec latency 20392.148 ms 1 460 0.00 MB/sec execute 17 sec latency 21392.433 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 18 sec latency 22392.654 ms 1 460 0.00 MB/sec execute 19 sec latency 23393.387 ms 1 460 0.00 MB/sec execute 20 sec latency 24395.291 ms 1 460 0.00 MB/sec execute 21 sec latency 25395.984 ms 1 460 0.00 MB/sec execute 22 sec latency 26396.224 ms 1 460 0.00 MB/sec execute 23 sec latency 27396.488 ms 1 460 0.00 MB/sec execute 24 sec latency 28396.714 ms 1 460 0.00 MB/sec execute 25 sec latency 29397.027 ms 1 460 0.00 MB/sec execute 26 sec latency 30397.337 ms oleg611-server: oleg611-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 27 sec latency 31397.593 ms pdsh@oleg611-client: oleg611-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 28 sec latency 32397.830 ms Started lustre-MDT0000 12:27:01 (1787848021) targets are mounted 12:27:01 (1787848021) facet_failover done 1 460 0.00 MB/sec execute 29 sec latency 33398.019 ms 1 461 0.00 MB/sec execute 30 sec latency 34330.999 ms 1 493 0.03 MB/sec execute 31 sec latency 180.907 ms 1 522 0.06 MB/sec execute 32 sec latency 157.143 ms 1 552 0.09 MB/sec execute 33 sec latency 459.663 ms 1 606 0.14 MB/sec execute 34 sec latency 823.077 ms 1 654 0.14 MB/sec execute 35 sec latency 118.208 ms 1 689 0.14 MB/sec execute 36 sec latency 126.585 ms oleg611-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 712 0.14 MB/sec execute 37 sec latency 129.307 ms 1 738 0.14 MB/sec execute 38 sec latency 136.863 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 772 0.13 MB/sec execute 39 sec latency 135.411 ms 1 799 0.13 MB/sec execute 40 sec latency 114.864 ms 1 845 0.13 MB/sec execute 41 sec latency 127.650 ms 1 878 0.13 MB/sec execute 42 sec latency 108.175 ms 1 906 0.13 MB/sec execute 43 sec latency 145.619 ms 1 938 0.13 MB/sec execute 44 sec latency 123.853 ms 1 971 0.13 MB/sec execute 45 sec latency 145.925 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34852 3567888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19132 3577900 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53984 7145788 1% /mnt/lustre 1 1000 0.13 MB/sec execute 46 sec latency 140.296 ms 1 1060 0.14 MB/sec execute 47 sec latency 93.375 ms 1 1110 0.14 MB/sec execute 48 sec latency 84.868 ms 1 1147 0.14 MB/sec execute 49 sec latency 91.086 ms 1 1172 0.14 MB/sec execute 50 sec latency 377.105 ms 1 1186 0.13 MB/sec execute 51 sec latency 900.809 ms 1 1225 0.13 MB/sec execute 52 sec latency 115.916 ms 1 1263 0.13 MB/sec execute 53 sec latency 99.512 ms 1 1403 0.18 MB/sec execute 54 sec latency 68.493 ms test_26 fail mds2 2 times 1 1447 0.18 MB/sec execute 55 sec latency 79.279 ms 1 1489 0.18 MB/sec execute 56 sec latency 129.721 ms Failing mds2 on oleg611-server 1 1520 0.17 MB/sec execute 57 sec latency 102.743 ms Stopping /mnt/lustre-mds2 (opts:) on oleg611-server 1 1570 0.17 MB/sec execute 58 sec latency 72.892 ms 1 1609 0.17 MB/sec execute 59 sec latency 82.554 ms 1 1653 0.17 MB/sec execute 60 sec latency 107.231 ms 1 1699 0.16 MB/sec execute 61 sec latency 113.827 ms 1 1771 0.16 MB/sec execute 62 sec latency 62.370 ms 1 1822 0.16 MB/sec execute 63 sec latency 112.339 ms 1 1884 0.16 MB/sec execute 64 sec latency 99.112 ms 1 1948 0.16 MB/sec execute 65 sec latency 116.119 ms 1 1996 0.16 MB/sec execute 66 sec latency 162.642 ms 12:27:39 (1787848059) shut down 1 2034 0.16 MB/sec execute 67 sec latency 129.363 ms facet: mds2 facet_host: oleg611-server facet_failover_host: oleg611-server 1 2098 0.15 MB/sec execute 68 sec latency 86.973 ms 1 2158 0.15 MB/sec execute 69 sec latency 85.240 ms 1 2191 0.15 MB/sec execute 70 sec latency 105.101 ms 1 2258 0.15 MB/sec execute 71 sec latency 182.973 ms 1 2259 0.15 MB/sec execute 72 sec latency 991.677 ms 1 2259 0.15 MB/sec execute 73 sec latency 1992.173 ms 1 2259 0.14 MB/sec execute 74 sec latency 2992.683 ms 1 2259 0.14 MB/sec execute 75 sec latency 3992.866 ms 1 2259 0.14 MB/sec execute 76 sec latency 4993.275 ms 1 2259 0.14 MB/sec execute 77 sec latency 5993.784 ms Failover mds2 to oleg611-server mount facets: mds2 1 2259 0.14 MB/sec execute 78 sec latency 6996.815 ms 1 2259 0.13 MB/sec execute 79 sec latency 8001.868 ms 1 2259 0.13 MB/sec execute 80 sec latency 9002.962 ms 1 2259 0.13 MB/sec execute 81 sec latency 10004.538 ms 1 2259 0.13 MB/sec execute 82 sec latency 11004.881 ms 1 2259 0.13 MB/sec execute 83 sec latency 12005.206 ms 1 2259 0.13 MB/sec execute 84 sec latency 13005.478 ms 1 2259 0.12 MB/sec execute 85 sec latency 14006.164 ms 1 2259 0.12 MB/sec execute 86 sec latency 15006.468 ms 1 2259 0.12 MB/sec execute 87 sec latency 16007.167 ms 1 2259 0.12 MB/sec execute 88 sec latency 17007.964 ms 1 2259 0.12 MB/sec execute 89 sec latency 18010.166 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 90 sec latency 19010.431 ms 1 2259 0.12 MB/sec execute 91 sec latency 20010.672 ms 1 2259 0.12 MB/sec execute 92 sec latency 21012.028 ms 1 2259 0.11 MB/sec execute 93 sec latency 22016.872 ms 1 2259 0.11 MB/sec execute 94 sec latency 23017.109 ms 1 2259 0.11 MB/sec execute 95 sec latency 24017.362 ms 1 2259 0.11 MB/sec execute 96 sec latency 25018.244 ms oleg611-server: oleg611-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 97 sec latency 26020.679 ms pdsh@oleg611-client: oleg611-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 98 sec latency 27023.306 ms Started lustre-MDT0001 12:28:11 (1787848091) targets are mounted 12:28:11 (1787848091) facet_failover done 1 2294 0.12 MB/sec execute 99 sec latency 27526.968 ms 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 331 141.839 27526.947 Close 287 131.132 34330.969 Rename 11 97.378 145.896 Unlink 31 26.164 51.171 Qpathinfo 307 15.967 99.494 Qfileinfo 76 2.434 15.604 Qfsinfo 37 4.784 31.407 Sfileinfo 36 69.473 127.637 Find 100 15.175 69.046 WriteX 264 14.906 103.320 ReadX 377 2.982 82.328 Flush 31 61.681 153.749 Throughput 0.116974 MB/sec 1 clients 1 procs max_latency=34330.999 ms stopping dbench on /mnt/lustre at Thu Aug 27 12:28:16 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg611-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /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 Aug 27 12:28:25 EDT 2026 waiting for dbench pid 67833 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 20 0.39 MB/sec warmup 1 sec latency 20.645 ms 1 89 2.06 MB/sec warmup 2 sec latency 93.771 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2336 1268968 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2184 1269120 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2584 3604140 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44056 3560460 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 46640 7164600 1% /mnt/lustre 1 126 1.87 MB/sec warmup 3 sec latency 150.003 ms 1 155 1.63 MB/sec warmup 4 sec latency 188.936 ms 1 184 1.47 MB/sec warmup 5 sec latency 221.130 ms 1 204 1.33 MB/sec warmup 6 sec latency 434.014 ms 1 239 1.30 MB/sec warmup 7 sec latency 135.838 ms 1 272 1.27 MB/sec warmup 8 sec latency 145.878 ms 1 313 1.27 MB/sec warmup 9 sec latency 129.037 ms 1 350 1.25 MB/sec warmup 10 sec latency 176.231 ms 1 394 1.26 MB/sec warmup 11 sec latency 109.087 ms 1 437 1.28 MB/sec warmup 12 sec latency 98.753 ms test_26 fail mds1 3 times 1 478 1.28 MB/sec warmup 13 sec latency 116.024 ms 1 506 1.24 MB/sec warmup 14 sec latency 163.436 ms Failing mds1 on oleg611-server 1 545 1.27 MB/sec warmup 15 sec latency 170.747 ms 1 616 1.31 MB/sec warmup 16 sec latency 115.191 ms Stopping /mnt/lustre-mds1 (opts:) on oleg611-server 1 673 1.24 MB/sec warmup 17 sec latency 141.284 ms 1 674 1.17 MB/sec warmup 18 sec latency 964.389 ms 1 674 1.11 MB/sec warmup 19 sec latency 1966.668 ms 12:28:45 (1787848125) shut down facet: mds1 facet_host: oleg611-server facet_failover_host: oleg611-server 1 674 0.00 MB/sec execute 1 sec latency 3972.290 ms 1 674 0.00 MB/sec execute 2 sec latency 4972.674 ms 1 674 0.00 MB/sec execute 3 sec latency 5973.144 ms 1 674 0.00 MB/sec execute 4 sec latency 6973.676 ms 1 674 0.00 MB/sec execute 5 sec latency 7974.995 ms 1 674 0.00 MB/sec execute 6 sec latency 8975.260 ms 1 674 0.00 MB/sec execute 7 sec latency 9977.157 ms 1 674 0.00 MB/sec execute 8 sec latency 10977.916 ms 1 674 0.00 MB/sec execute 9 sec latency 11978.600 ms 1 674 0.00 MB/sec execute 10 sec latency 12978.778 ms Failover mds1 to oleg611-server mount facets: mds1 1 674 0.00 MB/sec execute 11 sec latency 13978.995 ms 1 674 0.00 MB/sec execute 12 sec latency 14980.458 ms 1 674 0.00 MB/sec execute 13 sec latency 15983.233 ms 1 674 0.00 MB/sec execute 14 sec latency 16983.879 ms 1 674 0.00 MB/sec execute 15 sec latency 17984.423 ms 1 674 0.00 MB/sec execute 16 sec latency 18984.687 ms 1 674 0.00 MB/sec execute 17 sec latency 19985.136 ms 1 674 0.00 MB/sec execute 18 sec latency 20985.431 ms 1 674 0.00 MB/sec execute 19 sec latency 21987.294 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 20 sec latency 22987.552 ms 1 674 0.00 MB/sec execute 21 sec latency 23988.400 ms 1 674 0.00 MB/sec execute 22 sec latency 24988.582 ms 1 674 0.00 MB/sec execute 23 sec latency 25992.083 ms 1 674 0.00 MB/sec execute 24 sec latency 26992.698 ms 1 674 0.00 MB/sec execute 25 sec latency 27993.022 ms 1 674 0.00 MB/sec execute 26 sec latency 28993.232 ms 1 674 0.00 MB/sec execute 27 sec latency 30001.110 ms 1 674 0.00 MB/sec execute 28 sec latency 31012.442 ms 1 674 0.00 MB/sec execute 29 sec latency 32012.688 ms 1 674 0.00 MB/sec execute 30 sec latency 33013.054 ms oleg611-server: oleg611-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 31 sec latency 34014.555 ms pdsh@oleg611-client: oleg611-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 32 sec latency 35015.329 ms Started lustre-MDT0000 12:29:18 (1787848158) targets are mounted 12:29:18 (1787848158) facet_failover done 1 674 0.00 MB/sec execute 33 sec latency 36016.144 ms 1 694 0.00 MB/sec execute 34 sec latency 36483.710 ms 1 720 0.00 MB/sec execute 35 sec latency 116.217 ms 1 726 0.00 MB/sec execute 36 sec latency 764.957 ms 1 759 0.00 MB/sec execute 37 sec latency 178.963 ms 1 788 0.01 MB/sec execute 38 sec latency 208.948 ms 1 806 0.01 MB/sec execute 39 sec latency 202.860 ms oleg611-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 863 0.01 MB/sec execute 40 sec latency 241.563 ms 1 882 0.01 MB/sec execute 41 sec latency 172.976 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 904 0.01 MB/sec execute 42 sec latency 137.747 ms 1 926 0.01 MB/sec execute 43 sec latency 146.779 ms 1 957 0.01 MB/sec execute 44 sec latency 141.006 ms 1 985 0.02 MB/sec execute 45 sec latency 118.265 ms 1 1031 0.04 MB/sec execute 46 sec latency 129.457 ms 1 1074 0.04 MB/sec execute 47 sec latency 119.437 ms 1 1124 0.04 MB/sec execute 48 sec latency 126.870 ms 1 1163 0.04 MB/sec execute 49 sec latency 108.281 ms 1 1202 0.04 MB/sec execute 50 sec latency 70.493 ms 1 1232 0.04 MB/sec execute 51 sec latency 106.404 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1268 0.04 MB/sec execute 52 sec latency 165.299 ms 1 1319 0.06 MB/sec execute 53 sec latency 491.236 ms 1 1384 0.09 MB/sec execute 54 sec latency 967.556 ms 1 1403 0.09 MB/sec execute 55 sec latency 121.675 ms 1 1437 0.09 MB/sec execute 56 sec latency 174.976 ms 1 1481 0.09 MB/sec execute 57 sec latency 94.187 ms 1 1512 0.08 MB/sec execute 58 sec latency 135.865 ms 1 1559 0.08 MB/sec execute 59 sec latency 111.312 ms 1 1597 0.08 MB/sec execute 60 sec latency 160.446 ms 1 1632 0.08 MB/sec execute 61 sec latency 203.967 ms 1 1662 0.08 MB/sec execute 62 sec latency 102.967 ms 1 1711 0.08 MB/sec execute 63 sec latency 140.895 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 12:29:50 EDT 2026 with return code 0 1 1777 0.08 MB/sec execute 64 sec latency 106.015 ms 67833 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67833 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished