== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:41:19 (1783950079) Starting client oleg133-client.virtnet: -o user_xattr,flock 192.168.201.133@tcp:/lustre /mnt/lustre Started clients oleg133-client.virtnet: 192.168.201.133@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 46526 Started dbench loop with 46527 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/usr/share/dbench/client.txt' -> 'client.txt' UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1716 1269588 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 1412 3605608 1% /mnt/lustre[OST:0] running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Jul 13 09:41:25 EDT 2026 waiting for dbench pid 46567 lustre-OST0001_UUID 3833116 17792 3580904 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19204 7186512 1% /mnt/lustre 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 18 0.26 MB/sec warmup 1 sec latency 21.783 ms 1 66 1.44 MB/sec warmup 2 sec latency 132.447 ms 1 110 1.75 MB/sec warmup 3 sec latency 197.763 ms 1 129 1.44 MB/sec warmup 4 sec latency 230.262 ms 1 154 1.31 MB/sec warmup 5 sec latency 169.406 ms 1 154 1.09 MB/sec warmup 6 sec latency 1137.640 ms 1 157 0.93 MB/sec warmup 7 sec latency 1742.213 ms 1 184 0.92 MB/sec warmup 8 sec latency 217.668 ms 1 207 0.90 MB/sec warmup 9 sec latency 509.183 ms 1 242 0.91 MB/sec warmup 10 sec latency 146.206 ms test_26 fail mds1 1 times 1 279 0.95 MB/sec warmup 11 sec latency 118.746 ms 1 297 0.91 MB/sec warmup 12 sec latency 235.447 ms Failing mds1 on oleg133-server 1 322 0.90 MB/sec warmup 13 sec latency 292.081 ms 1 349 0.89 MB/sec warmup 14 sec latency 156.542 ms Stopping /mnt/lustre-mds1 (opts:) on oleg133-server 1 381 0.90 MB/sec warmup 15 sec latency 151.862 ms 1 381 0.85 MB/sec warmup 16 sec latency 1097.535 ms 1 381 0.80 MB/sec warmup 17 sec latency 2097.881 ms 1 381 0.75 MB/sec warmup 18 sec latency 3098.938 ms 09:41:43 (1783950103) shut down facet: mds1 facet_host: oleg133-server facet_failover_host: oleg133-server 1 381 0.71 MB/sec warmup 19 sec latency 4099.208 ms 1 381 0.00 MB/sec execute 1 sec latency 6100.763 ms 1 381 0.00 MB/sec execute 2 sec latency 7106.782 ms 1 381 0.00 MB/sec execute 3 sec latency 8107.025 ms 1 381 0.00 MB/sec execute 4 sec latency 9107.504 ms 1 381 0.00 MB/sec execute 5 sec latency 10108.928 ms 1 381 0.00 MB/sec execute 6 sec latency 11109.181 ms 1 381 0.00 MB/sec execute 7 sec latency 12117.723 ms 1 381 0.00 MB/sec execute 8 sec latency 13119.277 ms Failover mds1 to oleg133-server mount facets: mds1 1 381 0.00 MB/sec execute 9 sec latency 14130.322 ms 1 381 0.00 MB/sec execute 10 sec latency 15132.633 ms 1 381 0.00 MB/sec execute 11 sec latency 16133.060 ms 1 381 0.00 MB/sec execute 12 sec latency 17134.868 ms 1 381 0.00 MB/sec execute 13 sec latency 18135.130 ms 1 381 0.00 MB/sec execute 14 sec latency 19135.605 ms 1 381 0.00 MB/sec execute 15 sec latency 20137.270 ms 1 381 0.00 MB/sec execute 16 sec latency 21138.305 ms 1 381 0.00 MB/sec execute 17 sec latency 22138.730 ms 1 381 0.00 MB/sec execute 18 sec latency 23140.426 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 381 0.00 MB/sec execute 19 sec latency 24140.736 ms 1 381 0.00 MB/sec execute 20 sec latency 25141.101 ms 1 381 0.00 MB/sec execute 21 sec latency 26142.508 ms 1 381 0.00 MB/sec execute 22 sec latency 27142.936 ms 1 381 0.00 MB/sec execute 23 sec latency 28143.492 ms 1 381 0.00 MB/sec execute 24 sec latency 29143.728 ms 1 381 0.00 MB/sec execute 25 sec latency 30144.239 ms 1 381 0.00 MB/sec execute 26 sec latency 31144.527 ms 1 381 0.00 MB/sec execute 27 sec latency 32144.885 ms 1 381 0.00 MB/sec execute 28 sec latency 33145.155 ms oleg133-server: oleg133-server.virtnet: executing set_default_debug -1 all 1 381 0.00 MB/sec execute 29 sec latency 34145.609 ms pdsh@oleg133-client: oleg133-server: ssh exited with exit code 1 1 381 0.00 MB/sec execute 30 sec latency 35146.821 ms Started lustre-MDT0000 09:42:16 (1783950136) targets are mounted 09:42:16 (1783950136) facet_failover done 1 381 0.00 MB/sec execute 31 sec latency 36148.183 ms 1 381 0.00 MB/sec execute 32 sec latency 37150.463 ms 1 381 0.00 MB/sec execute 33 sec latency 38150.680 ms 1 381 0.00 MB/sec execute 34 sec latency 39167.009 ms 1 381 0.00 MB/sec execute 35 sec latency 40168.936 ms 1 389 0.01 MB/sec execute 36 sec latency 40852.923 ms 1 422 0.04 MB/sec execute 37 sec latency 196.100 ms 1 457 0.06 MB/sec execute 38 sec latency 152.346 ms 1 486 0.09 MB/sec execute 39 sec latency 135.181 ms 1 511 0.10 MB/sec execute 40 sec latency 171.045 ms oleg133-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 557 0.13 MB/sec execute 41 sec latency 175.827 ms 1 618 0.18 MB/sec execute 42 sec latency 108.965 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 661 0.18 MB/sec execute 43 sec latency 176.286 ms 1 695 0.17 MB/sec execute 44 sec latency 103.740 ms 1 720 0.17 MB/sec execute 45 sec latency 154.550 ms 1 747 0.17 MB/sec execute 46 sec latency 106.744 ms 1 777 0.17 MB/sec execute 47 sec latency 157.414 ms 1 804 0.16 MB/sec execute 48 sec latency 144.416 ms 1 851 0.16 MB/sec execute 49 sec latency 128.045 ms 1 873 0.16 MB/sec execute 50 sec latency 254.022 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1800 1269504 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 9124 3588232 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 33776 3569920 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 42900 7158152 1% /mnt/lustre 1 884 0.16 MB/sec execute 51 sec latency 506.941 ms 1 885 0.16 MB/sec execute 52 sec latency 1402.681 ms 1 907 0.15 MB/sec execute 53 sec latency 289.196 ms 1 929 0.15 MB/sec execute 54 sec latency 123.065 ms 1 957 0.15 MB/sec execute 55 sec latency 137.495 ms 1 980 0.15 MB/sec execute 56 sec latency 190.111 ms 1 1006 0.15 MB/sec execute 57 sec latency 138.532 ms 1 1051 0.16 MB/sec execute 58 sec latency 174.217 ms 1 1095 0.16 MB/sec execute 59 sec latency 111.513 ms 1 1127 0.16 MB/sec execute 60 sec latency 276.033 ms 1 1161 0.15 MB/sec execute 61 sec latency 167.410 ms 1 1197 0.15 MB/sec execute 62 sec latency 111.976 ms test_26 fail mds1 2 times 1 1231 0.15 MB/sec execute 63 sec latency 114.471 ms 1 1251 0.15 MB/sec execute 64 sec latency 259.609 ms 1 1276 0.15 MB/sec execute 65 sec latency 132.997 ms Failing mds1 on oleg133-server 1 1387 0.19 MB/sec execute 66 sec latency 161.948 ms 1 1403 0.19 MB/sec execute 67 sec latency 175.387 ms Stopping /mnt/lustre-mds1 (opts:) on oleg133-server 1 1426 0.18 MB/sec execute 68 sec latency 198.977 ms 1 1465 0.18 MB/sec execute 69 sec latency 242.457 ms 1 1465 0.18 MB/sec execute 70 sec latency 1243.229 ms 1 1465 0.18 MB/sec execute 71 sec latency 2246.845 ms 09:42:57 (1783950177) shut down 1 1465 0.17 MB/sec execute 72 sec latency 3256.031 ms facet: mds1 facet_host: oleg133-server facet_failover_host: oleg133-server 1 1465 0.17 MB/sec execute 73 sec latency 4258.134 ms 1 1465 0.17 MB/sec execute 74 sec latency 5258.511 ms 1 1465 0.17 MB/sec execute 75 sec latency 6258.884 ms 1 1465 0.16 MB/sec execute 76 sec latency 7259.140 ms 1 1465 0.16 MB/sec execute 77 sec latency 8259.551 ms 1 1465 0.16 MB/sec execute 78 sec latency 9265.080 ms 1 1465 0.16 MB/sec execute 79 sec latency 10265.298 ms 1 1465 0.16 MB/sec execute 80 sec latency 11265.572 ms 1 1465 0.15 MB/sec execute 81 sec latency 12269.693 ms 1 1465 0.15 MB/sec execute 82 sec latency 13270.061 ms Failover mds1 to oleg133-server mount facets: mds1 1 1465 0.15 MB/sec execute 83 sec latency 14270.471 ms 1 1465 0.15 MB/sec execute 84 sec latency 15272.016 ms 1 1465 0.15 MB/sec execute 85 sec latency 16272.545 ms 1 1465 0.14 MB/sec execute 86 sec latency 17272.894 ms 1 1465 0.14 MB/sec execute 87 sec latency 18273.131 ms 1 1465 0.14 MB/sec execute 88 sec latency 19273.727 ms 1 1465 0.14 MB/sec execute 89 sec latency 20289.129 ms 1 1465 0.14 MB/sec execute 90 sec latency 21290.076 ms 1 1465 0.14 MB/sec execute 91 sec latency 22290.414 ms 1 1465 0.14 MB/sec execute 92 sec latency 23290.905 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 1465 0.13 MB/sec execute 93 sec latency 24291.255 ms 1 1465 0.13 MB/sec execute 94 sec latency 25291.482 ms 1 1465 0.13 MB/sec execute 95 sec latency 26294.452 ms 1 1465 0.13 MB/sec execute 96 sec latency 27295.837 ms 1 1465 0.13 MB/sec execute 97 sec latency 28296.131 ms 1 1465 0.13 MB/sec execute 98 sec latency 29297.094 ms 1 1465 0.13 MB/sec execute 99 sec latency 30298.847 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg133-server: oleg133-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec pdsh@oleg133-client: oleg133-server: ssh exited with exit code 1 1 cleanup 104 sec Started lustre-MDT0000 09:43:30 (1783950210) targets are mounted 09:43:30 (1783950210) facet_failover done 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 0 cleanup 117 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 155 637.014 43952.494 Close 138 16.630 48.619 Rename 10 139.988 259.586 Unlink 19 34.601 60.018 Qpathinfo 108 29.742 174.195 Qfileinfo 52 2.726 14.990 Qfsinfo 33 5.923 34.297 Sfileinfo 34 71.335 138.515 Find 49 12.240 108.951 WriteX 233 17.872 76.635 ReadX 230 4.643 137.481 Flush 24 67.416 271.362 Throughput 0.12567 MB/sec 1 clients 1 procs max_latency=40852.923 ms stopping dbench on /mnt/lustre at Mon Jul 13 09:43:42 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg133-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 Mon Jul 13 09:43:49 EDT 2026 waiting for dbench pid 48656 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 31 1.05 MB/sec warmup 1 sec latency 66.440 ms 1 92 2.09 MB/sec warmup 2 sec latency 119.732 ms 1 137 2.00 MB/sec warmup 3 sec latency 171.913 ms 1 157 1.63 MB/sec warmup 4 sec latency 202.271 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 35792 3570036 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11532 3594328 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47324 7164364 1% /mnt/lustre 1 184 1.47 MB/sec warmup 5 sec latency 217.376 ms 1 197 1.30 MB/sec warmup 6 sec latency 613.006 ms 1 227 1.24 MB/sec warmup 7 sec latency 153.468 ms 1 263 1.24 MB/sec warmup 8 sec latency 160.712 ms 1 290 1.19 MB/sec warmup 9 sec latency 169.900 ms 1 316 1.15 MB/sec warmup 10 sec latency 162.469 ms 1 349 1.14 MB/sec warmup 11 sec latency 156.055 ms 1 386 1.14 MB/sec warmup 12 sec latency 115.138 ms 1 421 1.14 MB/sec warmup 13 sec latency 128.005 ms 1 453 1.13 MB/sec warmup 14 sec latency 158.408 ms 1 493 1.14 MB/sec warmup 15 sec latency 137.177 ms test_26 fail mds1 3 times 1 514 1.11 MB/sec warmup 16 sec latency 188.576 ms 1 563 1.12 MB/sec warmup 17 sec latency 167.507 ms Failing mds1 on oleg133-server 1 639 1.17 MB/sec warmup 18 sec latency 97.371 ms Stopping /mnt/lustre-mds1 (opts:) on oleg133-server 1 689 1.11 MB/sec warmup 19 sec latency 91.799 ms 1 712 0.00 MB/sec execute 1 sec latency 1039.009 ms 1 712 0.00 MB/sec execute 2 sec latency 2040.401 ms 1 712 0.00 MB/sec execute 3 sec latency 3040.812 ms 1 712 0.00 MB/sec execute 4 sec latency 4041.024 ms 1 712 0.00 MB/sec execute 5 sec latency 5041.299 ms 09:44:14 (1783950254) shut down facet: mds1 facet_host: oleg133-server facet_failover_host: oleg133-server 1 712 0.00 MB/sec execute 6 sec latency 6045.165 ms 1 712 0.00 MB/sec execute 7 sec latency 7048.294 ms 1 712 0.00 MB/sec execute 8 sec latency 8049.449 ms 1 712 0.00 MB/sec execute 9 sec latency 9049.693 ms 1 712 0.00 MB/sec execute 10 sec latency 10051.514 ms 1 712 0.00 MB/sec execute 11 sec latency 11054.740 ms 1 712 0.00 MB/sec execute 12 sec latency 12055.338 ms 1 712 0.00 MB/sec execute 13 sec latency 13056.072 ms 1 712 0.00 MB/sec execute 14 sec latency 14056.599 ms 1 712 0.00 MB/sec execute 15 sec latency 15056.967 ms Failover mds1 to oleg133-server mount facets: mds1 1 712 0.00 MB/sec execute 16 sec latency 16057.142 ms 1 712 0.00 MB/sec execute 17 sec latency 17057.786 ms 1 712 0.00 MB/sec execute 18 sec latency 18058.290 ms 1 712 0.00 MB/sec execute 19 sec latency 19058.573 ms 1 712 0.00 MB/sec execute 20 sec latency 20058.845 ms 1 712 0.00 MB/sec execute 21 sec latency 21059.270 ms 1 712 0.00 MB/sec execute 22 sec latency 22061.402 ms 1 712 0.00 MB/sec execute 23 sec latency 23062.496 ms 1 712 0.00 MB/sec execute 24 sec latency 24063.256 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 712 0.00 MB/sec execute 25 sec latency 25063.920 ms 1 712 0.00 MB/sec execute 26 sec latency 26064.214 ms 1 712 0.00 MB/sec execute 27 sec latency 27064.680 ms 1 712 0.00 MB/sec execute 28 sec latency 28064.936 ms 1 712 0.00 MB/sec execute 29 sec latency 29065.152 ms 1 712 0.00 MB/sec execute 30 sec latency 30065.482 ms 1 712 0.00 MB/sec execute 31 sec latency 31066.121 ms 1 712 0.00 MB/sec execute 32 sec latency 32078.561 ms 1 712 0.00 MB/sec execute 33 sec latency 33078.724 ms 1 712 0.00 MB/sec execute 34 sec latency 34078.937 ms 1 712 0.00 MB/sec execute 35 sec latency 35079.138 ms 1 712 0.00 MB/sec execute 36 sec latency 36079.378 ms oleg133-server: oleg133-server.virtnet: executing set_default_debug -1 all 1 712 0.00 MB/sec execute 37 sec latency 37079.648 ms pdsh@oleg133-client: oleg133-server: ssh exited with exit code 1 1 712 0.00 MB/sec execute 38 sec latency 38080.082 ms Started lustre-MDT0000 09:44:47 (1783950287) targets are mounted 09:44:47 (1783950287) facet_failover done 1 712 0.00 MB/sec execute 39 sec latency 39081.848 ms 1 712 0.00 MB/sec execute 40 sec latency 40082.314 ms 1 712 0.00 MB/sec execute 41 sec latency 41084.089 ms 1 712 0.00 MB/sec execute 42 sec latency 42085.296 ms 1 712 0.00 MB/sec execute 43 sec latency 43085.605 ms 1 712 0.00 MB/sec execute 44 sec latency 44085.849 ms 1 712 0.00 MB/sec execute 45 sec latency 45086.383 ms 1 712 0.00 MB/sec execute 46 sec latency 46086.632 ms 1 712 0.00 MB/sec execute 47 sec latency 47086.966 ms 1 712 0.00 MB/sec execute 48 sec latency 48087.287 ms 1 712 0.00 MB/sec execute 49 sec latency 49087.734 ms 1 712 0.00 MB/sec execute 50 sec latency 50088.963 ms 1 712 0.00 MB/sec execute 51 sec latency 51089.168 ms 1 712 0.00 MB/sec execute 52 sec latency 52090.778 ms 1 712 0.00 MB/sec execute 53 sec latency 53098.153 ms 1 712 0.00 MB/sec execute 54 sec latency 54099.993 ms 1 720 0.00 MB/sec execute 55 sec latency 54392.266 ms 1 738 0.00 MB/sec execute 56 sec latency 837.967 ms 1 777 0.00 MB/sec execute 57 sec latency 128.097 ms 1 804 0.00 MB/sec execute 58 sec latency 116.527 ms 1 861 0.01 MB/sec execute 59 sec latency 104.233 ms oleg133-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 888 0.01 MB/sec execute 60 sec latency 122.336 ms 1 913 0.01 MB/sec execute 61 sec latency 123.889 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 936 0.01 MB/sec execute 62 sec latency 161.412 ms 1 969 0.01 MB/sec execute 63 sec latency 125.799 ms 1 995 0.01 MB/sec execute 64 sec latency 118.765 ms 1 1028 0.03 MB/sec execute 65 sec latency 246.764 ms 1 1079 0.03 MB/sec execute 66 sec latency 78.385 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1134 0.03 MB/sec execute 67 sec latency 84.698 ms 1 1185 0.03 MB/sec execute 68 sec latency 122.390 ms 1 1224 0.03 MB/sec execute 69 sec latency 153.132 ms 1 1263 0.03 MB/sec execute 70 sec latency 108.475 ms 1 1345 0.05 MB/sec execute 71 sec latency 489.830 ms 1 1410 0.07 MB/sec execute 72 sec latency 106.034 ms 1 1465 0.07 MB/sec execute 73 sec latency 97.469 ms 1 1492 0.07 MB/sec execute 74 sec latency 314.733 ms 1 1523 0.07 MB/sec execute 75 sec latency 98.640 ms 1 1566 0.06 MB/sec execute 76 sec latency 88.195 ms tar: Error is not recoverable: exiting now 1 1591 0.06 MB/sec execute 77 sec latency 122.783 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jul 13 09:45:26 EDT 2026 with return code 0 48656 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48656 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished