== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:26:09 (1782613569) Starting client oleg258-client.virtnet: -o user_xattr,flock 192.168.202.158@tcp:/lustre /mnt/lustre Started clients oleg258-client.virtnet: 192.168.202.158@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65699 Started dbench loop with 65700 striped dir -i0 -c2 -H crush2 /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13832 3584872 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190328 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 Sat Jun 27 22:26:15 EDT 2026 waiting for dbench pid 65778 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 8 0.00 MB/sec warmup 1 sec latency 152.223 ms 1 47 0.95 MB/sec warmup 2 sec latency 148.459 ms 1 97 1.46 MB/sec warmup 3 sec latency 175.420 ms 1 129 1.44 MB/sec warmup 4 sec latency 226.307 ms 1 155 1.31 MB/sec warmup 5 sec latency 230.802 ms 1 165 1.13 MB/sec warmup 6 sec latency 528.798 ms 1 173 1.01 MB/sec warmup 7 sec latency 1261.711 ms 1 189 0.95 MB/sec warmup 8 sec latency 541.696 ms 1 220 0.94 MB/sec warmup 9 sec latency 166.101 ms 1 256 0.96 MB/sec warmup 10 sec latency 131.036 ms test_26 fail mds1 1 times 1 289 0.97 MB/sec warmup 11 sec latency 147.836 ms Failing mds1 on oleg258-server 1 323 0.98 MB/sec warmup 12 sec latency 157.589 ms 1 349 0.96 MB/sec warmup 13 sec latency 190.835 ms Stopping /mnt/lustre-mds1 (opts:) on oleg258-server 1 382 0.97 MB/sec warmup 14 sec latency 224.981 ms 1 397 0.94 MB/sec warmup 15 sec latency 685.729 ms 1 397 0.88 MB/sec warmup 16 sec latency 1685.888 ms 22:26:32 (1782613592) shut down facet: mds1 facet_host: oleg258-server facet_failover_host: oleg258-server 1 397 0.83 MB/sec warmup 17 sec latency 2686.087 ms 1 397 0.78 MB/sec warmup 18 sec latency 3688.094 ms 1 397 0.74 MB/sec warmup 19 sec latency 4688.508 ms 1 397 0.00 MB/sec execute 1 sec latency 6689.011 ms 1 397 0.00 MB/sec execute 2 sec latency 7697.357 ms 1 397 0.00 MB/sec execute 3 sec latency 8697.564 ms 1 397 0.00 MB/sec execute 4 sec latency 9697.814 ms 1 397 0.00 MB/sec execute 5 sec latency 10698.201 ms 1 397 0.00 MB/sec execute 6 sec latency 11698.860 ms Failover mds1 to oleg258-server 1 397 0.00 MB/sec execute 7 sec latency 12708.081 ms mount facets: mds1 1 397 0.00 MB/sec execute 8 sec latency 13708.637 ms 1 397 0.00 MB/sec execute 9 sec latency 14709.806 ms 1 397 0.00 MB/sec execute 10 sec latency 15710.001 ms 1 397 0.00 MB/sec execute 11 sec latency 16710.275 ms 1 397 0.00 MB/sec execute 12 sec latency 17710.572 ms 1 397 0.00 MB/sec execute 13 sec latency 18714.030 ms 1 397 0.00 MB/sec execute 14 sec latency 19714.466 ms 1 397 0.00 MB/sec execute 15 sec latency 20714.722 ms 1 397 0.00 MB/sec execute 16 sec latency 21714.894 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 397 0.00 MB/sec execute 17 sec latency 22715.252 ms 1 397 0.00 MB/sec execute 18 sec latency 23716.788 ms 1 397 0.00 MB/sec execute 19 sec latency 24717.048 ms 1 397 0.00 MB/sec execute 20 sec latency 25718.916 ms 1 397 0.00 MB/sec execute 21 sec latency 26719.235 ms 1 397 0.00 MB/sec execute 22 sec latency 27719.459 ms 1 397 0.00 MB/sec execute 23 sec latency 28721.449 ms 1 397 0.00 MB/sec execute 24 sec latency 29721.710 ms 1 397 0.00 MB/sec execute 25 sec latency 30723.714 ms 1 397 0.00 MB/sec execute 26 sec latency 31724.210 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 397 0.00 MB/sec execute 27 sec latency 32724.436 ms 1 397 0.00 MB/sec execute 28 sec latency 33726.537 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 405 0.01 MB/sec execute 29 sec latency 34662.275 ms Started lustre-MDT0000 22:27:05 (1782613625) targets are mounted 22:27:05 (1782613625) facet_failover done 1 440 0.04 MB/sec execute 30 sec latency 131.812 ms 1 476 0.08 MB/sec execute 31 sec latency 127.538 ms 1 501 0.11 MB/sec execute 32 sec latency 215.890 ms 1 522 0.12 MB/sec execute 33 sec latency 203.362 ms 1 552 0.15 MB/sec execute 34 sec latency 523.197 ms 1 606 0.20 MB/sec execute 35 sec latency 760.839 ms 1 649 0.19 MB/sec execute 36 sec latency 121.739 ms 1 676 0.19 MB/sec execute 37 sec latency 120.715 ms oleg258-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 703 0.19 MB/sec execute 38 sec latency 128.688 ms 1 723 0.18 MB/sec execute 39 sec latency 223.218 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 743 0.18 MB/sec execute 40 sec latency 144.890 ms 1 772 0.18 MB/sec execute 41 sec latency 179.906 ms 1 799 0.18 MB/sec execute 42 sec latency 118.200 ms 1 825 0.17 MB/sec execute 43 sec latency 151.798 ms 1 870 0.17 MB/sec execute 44 sec latency 133.107 ms 1 892 0.17 MB/sec execute 45 sec latency 182.898 ms 1 919 0.17 MB/sec execute 46 sec latency 132.895 ms 1 964 0.16 MB/sec execute 47 sec latency 105.952 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2128 1269176 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1896 1269408 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 16904 3584404 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34996 3569356 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51900 7153760 1% /mnt/lustre 1 986 0.16 MB/sec execute 48 sec latency 137.312 ms 1 1039 0.18 MB/sec execute 49 sec latency 139.511 ms 1 1077 0.18 MB/sec execute 50 sec latency 83.604 ms 1 1118 0.17 MB/sec execute 51 sec latency 115.636 ms 1 1147 0.17 MB/sec execute 52 sec latency 119.035 ms 1 1172 0.17 MB/sec execute 53 sec latency 406.602 ms 1 1177 0.17 MB/sec execute 54 sec latency 1189.588 ms 1 1198 0.16 MB/sec execute 55 sec latency 121.764 ms 1 1231 0.16 MB/sec execute 56 sec latency 115.120 ms 1 1263 0.16 MB/sec execute 57 sec latency 112.562 ms 1 1389 0.21 MB/sec execute 58 sec latency 100.722 ms test_26 fail mds2 2 times 1 1422 0.20 MB/sec execute 59 sec latency 96.821 ms 1 1457 0.20 MB/sec execute 60 sec latency 98.285 ms 1 1492 0.20 MB/sec execute 61 sec latency 113.475 ms Failing mds2 on oleg258-server 1 1512 0.19 MB/sec execute 62 sec latency 145.054 ms Stopping /mnt/lustre-mds2 (opts:) on oleg258-server 1 1558 0.19 MB/sec execute 63 sec latency 94.991 ms 1 1616 0.19 MB/sec execute 64 sec latency 93.795 ms 1 1655 0.19 MB/sec execute 65 sec latency 132.854 ms 22:27:41 (1782613661) shut down 1 1691 0.18 MB/sec execute 66 sec latency 140.016 ms facet: mds2 facet_host: oleg258-server facet_failover_host: oleg258-server 1 1770 0.18 MB/sec execute 67 sec latency 119.505 ms 1 1841 0.18 MB/sec execute 68 sec latency 90.798 ms 1 1902 0.18 MB/sec execute 69 sec latency 94.890 ms 1 1965 0.18 MB/sec execute 70 sec latency 110.305 ms 1 2020 0.18 MB/sec execute 71 sec latency 75.090 ms 1 2107 0.17 MB/sec execute 72 sec latency 123.013 ms 1 2168 0.17 MB/sec execute 73 sec latency 116.509 ms 1 2258 0.17 MB/sec execute 74 sec latency 73.512 ms 1 2259 0.17 MB/sec execute 75 sec latency 984.220 ms 1 2259 0.17 MB/sec execute 76 sec latency 1984.675 ms Failover mds2 to oleg258-server mount facets: mds2 1 2259 0.16 MB/sec execute 77 sec latency 2984.900 ms 1 2259 0.16 MB/sec execute 78 sec latency 3985.233 ms 1 2259 0.16 MB/sec execute 79 sec latency 4985.479 ms 1 2259 0.16 MB/sec execute 80 sec latency 5985.908 ms 1 2259 0.16 MB/sec execute 81 sec latency 6986.480 ms 1 2259 0.15 MB/sec execute 82 sec latency 7987.445 ms 1 2259 0.15 MB/sec execute 83 sec latency 8987.710 ms 1 2259 0.15 MB/sec execute 84 sec latency 9989.930 ms 1 2259 0.15 MB/sec execute 85 sec latency 10990.501 ms 1 2259 0.15 MB/sec execute 86 sec latency 11990.736 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 87 sec latency 12993.429 ms 1 2259 0.14 MB/sec execute 88 sec latency 13994.027 ms 1 2259 0.14 MB/sec execute 89 sec latency 14994.822 ms 1 2259 0.14 MB/sec execute 90 sec latency 15997.270 ms 1 2259 0.14 MB/sec execute 91 sec latency 16999.080 ms 1 2259 0.14 MB/sec execute 92 sec latency 17999.338 ms 1 2259 0.14 MB/sec execute 93 sec latency 19002.251 ms 1 2259 0.13 MB/sec execute 94 sec latency 20002.448 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 95 sec latency 21003.709 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 96 sec latency 22003.953 ms 1 2282 0.14 MB/sec execute 97 sec latency 22791.296 ms Started lustre-MDT0001 22:28:13 (1782613693) targets are mounted 22:28:13 (1782613693) facet_failover done 1 2347 0.14 MB/sec execute 98 sec latency 81.348 ms 1 2380 0.14 MB/sec execute 99 sec latency 94.867 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 349 225.430 34662.253 Close 302 13.243 53.938 Rename 13 108.004 223.192 Unlink 33 28.795 67.723 Qpathinfo 317 16.622 121.736 Qfileinfo 89 2.920 19.651 Qfsinfo 39 4.873 29.528 Sfileinfo 42 82.457 163.674 Find 107 12.068 36.499 WriteX 312 16.489 113.680 ReadX 381 2.621 106.496 Flush 32 70.199 182.882 Throughput 0.139928 MB/sec 1 clients 1 procs max_latency=34662.275 ms stopping dbench on /mnt/lustre at Sat Jun 27 22:28:20 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg258-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 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 Sat Jun 27 22:28:30 EDT 2026 waiting for dbench pid 67908 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 7 0.00 MB/sec warmup 1 sec latency 21.110 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2380 1268924 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44736 3558856 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1868 3605124 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46604 7163980 1% /mnt/lustre 1 35 0.56 MB/sec warmup 2 sec latency 120.920 ms 1 102 1.57 MB/sec warmup 3 sec latency 154.671 ms 1 135 1.49 MB/sec warmup 4 sec latency 194.089 ms 1 157 1.31 MB/sec warmup 5 sec latency 189.831 ms 1 184 1.23 MB/sec warmup 6 sec latency 196.372 ms 1 198 1.12 MB/sec warmup 7 sec latency 592.263 ms 1 198 0.98 MB/sec warmup 8 sec latency 1103.019 ms 1 199 0.87 MB/sec warmup 9 sec latency 2020.893 ms 1 227 0.87 MB/sec warmup 10 sec latency 185.924 ms 1 258 0.88 MB/sec warmup 11 sec latency 123.307 ms 1 289 0.89 MB/sec warmup 12 sec latency 112.276 ms test_26 fail mds1 3 times 1 323 0.90 MB/sec warmup 13 sec latency 136.100 ms 1 354 0.90 MB/sec warmup 14 sec latency 192.577 ms Failing mds1 on oleg258-server 1 381 0.90 MB/sec warmup 15 sec latency 169.967 ms 1 406 0.89 MB/sec warmup 16 sec latency 173.441 ms Stopping /mnt/lustre-mds1 (opts:) on oleg258-server 1 437 0.90 MB/sec warmup 17 sec latency 153.400 ms 1 472 0.91 MB/sec warmup 18 sec latency 146.260 ms 1 501 0.92 MB/sec warmup 19 sec latency 272.273 ms 1 501 0.00 MB/sec execute 1 sec latency 2273.335 ms 1 501 0.00 MB/sec execute 2 sec latency 3273.664 ms 1 501 0.00 MB/sec execute 3 sec latency 4273.931 ms 1 501 0.00 MB/sec execute 4 sec latency 5276.858 ms 1 501 0.00 MB/sec execute 5 sec latency 6277.279 ms 1 501 0.00 MB/sec execute 6 sec latency 7277.582 ms 22:28:57 (1782613737) shut down facet: mds1 facet_host: oleg258-server facet_failover_host: oleg258-server 1 501 0.00 MB/sec execute 7 sec latency 8277.930 ms 1 501 0.00 MB/sec execute 8 sec latency 9278.861 ms 1 501 0.00 MB/sec execute 9 sec latency 10279.189 ms 1 501 0.00 MB/sec execute 10 sec latency 11279.854 ms 1 501 0.00 MB/sec execute 11 sec latency 12280.854 ms 1 501 0.00 MB/sec execute 12 sec latency 13281.438 ms 1 501 0.00 MB/sec execute 13 sec latency 14281.892 ms 1 501 0.00 MB/sec execute 14 sec latency 15282.534 ms 1 501 0.00 MB/sec execute 15 sec latency 16282.795 ms 1 501 0.00 MB/sec execute 16 sec latency 17283.069 ms 1 501 0.00 MB/sec execute 17 sec latency 18283.302 ms Failover mds1 to oleg258-server mount facets: mds1 1 501 0.00 MB/sec execute 18 sec latency 19283.557 ms 1 501 0.00 MB/sec execute 19 sec latency 20287.124 ms 1 501 0.00 MB/sec execute 20 sec latency 21287.348 ms 1 501 0.00 MB/sec execute 21 sec latency 22288.526 ms 1 501 0.00 MB/sec execute 22 sec latency 23288.719 ms 1 501 0.00 MB/sec execute 23 sec latency 24290.195 ms 1 501 0.00 MB/sec execute 24 sec latency 25290.721 ms 1 501 0.00 MB/sec execute 25 sec latency 26290.951 ms 1 501 0.00 MB/sec execute 26 sec latency 27291.246 ms 1 501 0.00 MB/sec execute 27 sec latency 28291.548 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 28 sec latency 29292.774 ms 1 501 0.00 MB/sec execute 29 sec latency 30293.021 ms 1 501 0.00 MB/sec execute 30 sec latency 31293.553 ms 1 501 0.00 MB/sec execute 31 sec latency 32295.806 ms 1 501 0.00 MB/sec execute 32 sec latency 33295.960 ms 1 501 0.00 MB/sec execute 33 sec latency 34297.643 ms 1 501 0.00 MB/sec execute 34 sec latency 35298.046 ms 1 501 0.00 MB/sec execute 35 sec latency 36298.344 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 36 sec latency 37298.932 ms 1 501 0.00 MB/sec execute 37 sec latency 38299.541 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 38 sec latency 39300.551 ms Started lustre-MDT0000 22:29:29 (1782613769) targets are mounted 22:29:29 (1782613769) facet_failover done 1 543 0.04 MB/sec execute 39 sec latency 39431.304 ms 1 636 0.09 MB/sec execute 40 sec latency 125.740 ms 1 673 0.09 MB/sec execute 41 sec latency 116.091 ms 1 709 0.09 MB/sec execute 42 sec latency 117.826 ms 1 736 0.09 MB/sec execute 43 sec latency 141.321 ms 1 769 0.09 MB/sec execute 44 sec latency 142.212 ms 1 798 0.09 MB/sec execute 45 sec latency 153.552 ms oleg258-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 824 0.09 MB/sec execute 46 sec latency 134.045 ms 1 873 0.09 MB/sec execute 47 sec latency 140.248 ms 1 884 0.09 MB/sec execute 48 sec latency 353.019 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 884 0.09 MB/sec execute 49 sec latency 1355.225 ms 1 902 0.08 MB/sec execute 50 sec latency 1570.087 ms 1 918 0.08 MB/sec execute 51 sec latency 180.306 ms 1 955 0.08 MB/sec execute 52 sec latency 117.444 ms 1 981 0.08 MB/sec execute 53 sec latency 141.481 ms 1 999 0.08 MB/sec execute 54 sec latency 155.276 ms 1 1064 0.10 MB/sec execute 55 sec latency 79.536 ms 1 1124 0.10 MB/sec execute 56 sec latency 105.940 ms 1 1155 0.10 MB/sec execute 57 sec latency 135.455 ms 1 1196 0.10 MB/sec execute 58 sec latency 96.287 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1233 0.09 MB/sec execute 59 sec latency 116.232 ms 1 1268 0.09 MB/sec execute 60 sec latency 109.505 ms 1 1396 0.14 MB/sec execute 61 sec latency 115.875 ms 1 1422 0.14 MB/sec execute 62 sec latency 140.107 ms 1 1466 0.14 MB/sec execute 63 sec latency 102.991 ms 1 1484 0.13 MB/sec execute 64 sec latency 437.342 ms 1 1523 0.13 MB/sec execute 65 sec latency 100.515 ms 1 1574 0.13 MB/sec execute 66 sec latency 116.976 ms 1 1616 0.13 MB/sec execute 67 sec latency 130.488 ms 1 1653 0.13 MB/sec execute 68 sec latency 132.501 ms 1 1686 0.13 MB/sec execute 69 sec latency 148.687 ms 1 1711 0.13 MB/sec execute 70 sec latency 159.295 ms 1 1770 0.12 MB/sec execute 71 sec latency 81.685 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Jun 27 22:30:02 EDT 2026 with return code 0 1 1814 0.12 MB/sec execute 72 sec latency 104.099 ms 67908 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67908 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished