== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:56:23 (1781236583) Starting client oleg411-client.virtnet: -o user_xattr,flock 192.168.204.111@tcp:/lustre /mnt/lustre Started clients oleg411-client.virtnet: 192.168.204.111@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 46104 Started dbench loop with 46105 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 1716 1269588 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 13700 3593264 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1408 3605612 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15108 7198876 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 Jun 11 23:56:30 EDT 2026 waiting for dbench pid 46174 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 20 0.39 MB/sec warmup 1 sec latency 41.641 ms 1 71 1.57 MB/sec warmup 2 sec latency 134.083 ms 1 111 1.74 MB/sec warmup 3 sec latency 137.946 ms 1 121 1.37 MB/sec warmup 4 sec latency 731.599 ms 1 121 1.10 MB/sec warmup 5 sec latency 1732.284 ms 1 153 1.08 MB/sec warmup 6 sec latency 1754.576 ms 1 184 1.05 MB/sec warmup 7 sec latency 148.608 ms 1 207 1.01 MB/sec warmup 8 sec latency 393.161 ms test_26 fail mds1 1 times 1 243 1.02 MB/sec warmup 9 sec latency 131.616 ms 1 278 1.04 MB/sec warmup 10 sec latency 153.342 ms Failing mds1 on oleg411-server 1 303 1.01 MB/sec warmup 11 sec latency 149.658 ms Stopping /mnt/lustre-mds1 (opts:) on oleg411-server 1 335 1.00 MB/sec warmup 12 sec latency 153.284 ms 1 341 0.94 MB/sec warmup 13 sec latency 782.466 ms 1 341 0.87 MB/sec warmup 14 sec latency 1783.309 ms 23:56:45 (1781236605) shut down facet: mds1 facet_host: oleg411-server facet_failover_host: oleg411-server 1 341 0.82 MB/sec warmup 15 sec latency 2784.290 ms 1 341 0.77 MB/sec warmup 16 sec latency 3784.657 ms 1 341 0.72 MB/sec warmup 17 sec latency 4784.932 ms 1 341 0.68 MB/sec warmup 18 sec latency 5785.162 ms 1 341 0.64 MB/sec warmup 19 sec latency 6785.446 ms 1 341 0.00 MB/sec execute 1 sec latency 8787.995 ms 1 341 0.00 MB/sec execute 2 sec latency 9790.665 ms 1 341 0.00 MB/sec execute 3 sec latency 10796.225 ms 1 341 0.00 MB/sec execute 4 sec latency 11796.687 ms 1 341 0.00 MB/sec execute 5 sec latency 12797.071 ms Failover mds1 to oleg411-server mount facets: mds1 1 341 0.00 MB/sec execute 6 sec latency 13797.362 ms 1 341 0.00 MB/sec execute 7 sec latency 14798.293 ms 1 341 0.00 MB/sec execute 8 sec latency 15798.507 ms 1 341 0.00 MB/sec execute 9 sec latency 16799.076 ms 1 341 0.00 MB/sec execute 10 sec latency 17799.347 ms 1 341 0.00 MB/sec execute 11 sec latency 18800.801 ms 1 341 0.00 MB/sec execute 12 sec latency 19801.556 ms 1 341 0.00 MB/sec execute 13 sec latency 20802.673 ms 1 341 0.00 MB/sec execute 14 sec latency 21802.947 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 341 0.00 MB/sec execute 15 sec latency 22803.193 ms 1 341 0.00 MB/sec execute 16 sec latency 23803.453 ms 1 341 0.00 MB/sec execute 17 sec latency 24803.662 ms 1 341 0.00 MB/sec execute 18 sec latency 25804.930 ms 1 341 0.00 MB/sec execute 19 sec latency 26808.284 ms 1 341 0.00 MB/sec execute 20 sec latency 27808.980 ms 1 341 0.00 MB/sec execute 21 sec latency 28809.206 ms 1 341 0.00 MB/sec execute 22 sec latency 29811.168 ms 1 341 0.00 MB/sec execute 23 sec latency 30811.392 ms 1 341 0.00 MB/sec execute 24 sec latency 31811.997 ms 1 341 0.00 MB/sec execute 25 sec latency 32814.304 ms 1 341 0.00 MB/sec execute 26 sec latency 33814.594 ms 1 341 0.00 MB/sec execute 27 sec latency 34817.632 ms 1 341 0.00 MB/sec execute 28 sec latency 35817.941 ms 1 341 0.00 MB/sec execute 29 sec latency 36818.205 ms 1 341 0.00 MB/sec execute 30 sec latency 37820.285 ms 1 341 0.00 MB/sec execute 31 sec latency 38821.400 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 341 0.00 MB/sec execute 32 sec latency 39823.072 ms 1 341 0.00 MB/sec execute 33 sec latency 40823.493 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 341 0.00 MB/sec execute 34 sec latency 41823.708 ms Started lustre-MDT0000 23:57:25 (1781236645) targets are mounted 23:57:25 (1781236645) facet_failover done 1 341 0.00 MB/sec execute 35 sec latency 42824.472 ms 1 341 0.00 MB/sec execute 36 sec latency 43839.176 ms 1 345 0.00 MB/sec execute 37 sec latency 44777.659 ms 1 370 0.02 MB/sec execute 38 sec latency 303.033 ms 1 405 0.05 MB/sec execute 39 sec latency 151.789 ms oleg411-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 441 0.08 MB/sec execute 40 sec latency 122.580 ms 1 477 0.11 MB/sec execute 41 sec latency 121.940 ms 1 511 0.13 MB/sec execute 42 sec latency 153.322 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 558 0.16 MB/sec execute 43 sec latency 144.345 ms 1 636 0.20 MB/sec execute 44 sec latency 79.044 ms 1 674 0.20 MB/sec execute 45 sec latency 103.518 ms 1 710 0.19 MB/sec execute 46 sec latency 108.119 ms 1 740 0.19 MB/sec execute 47 sec latency 106.132 ms 1 786 0.19 MB/sec execute 48 sec latency 98.858 ms 1 811 0.19 MB/sec execute 49 sec latency 138.402 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1800 1269504 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 33936 3567996 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9064 3589276 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43000 7157272 1% /mnt/lustre 1 863 0.19 MB/sec execute 50 sec latency 141.980 ms 1 884 0.18 MB/sec execute 51 sec latency 340.389 ms 1 885 0.18 MB/sec execute 52 sec latency 1231.456 ms 1 910 0.18 MB/sec execute 53 sec latency 390.871 ms 1 940 0.18 MB/sec execute 54 sec latency 123.226 ms 1 970 0.17 MB/sec execute 55 sec latency 142.516 ms 1 980 0.17 MB/sec execute 56 sec latency 757.906 ms 1 992 0.17 MB/sec execute 57 sec latency 1065.528 ms 1 1063 0.18 MB/sec execute 58 sec latency 103.233 ms 1 1127 0.18 MB/sec execute 59 sec latency 70.304 ms test_26 fail mds1 2 times 1 1173 0.18 MB/sec execute 60 sec latency 92.642 ms 1 1214 0.18 MB/sec execute 61 sec latency 97.319 ms Failing mds1 on oleg411-server 1 1246 0.17 MB/sec execute 62 sec latency 125.618 ms Stopping /mnt/lustre-mds1 (opts:) on oleg411-server 1 1378 0.22 MB/sec execute 63 sec latency 107.237 ms 1 1389 0.21 MB/sec execute 64 sec latency 806.898 ms 1 1389 0.21 MB/sec execute 65 sec latency 1809.091 ms 23:57:56 (1781236676) shut down facet: mds1 facet_host: oleg411-server facet_failover_host: oleg411-server 1 1389 0.21 MB/sec execute 66 sec latency 2809.357 ms 1 1389 0.20 MB/sec execute 67 sec latency 3809.763 ms 1 1389 0.20 MB/sec execute 68 sec latency 4811.358 ms 1 1389 0.20 MB/sec execute 69 sec latency 5811.607 ms 1 1389 0.20 MB/sec execute 70 sec latency 6811.883 ms 1 1389 0.19 MB/sec execute 71 sec latency 7812.674 ms 1 1389 0.19 MB/sec execute 72 sec latency 8813.229 ms 1 1389 0.19 MB/sec execute 73 sec latency 9813.458 ms 1 1389 0.19 MB/sec execute 74 sec latency 10815.478 ms 1 1389 0.18 MB/sec execute 75 sec latency 11815.704 ms 1 1389 0.18 MB/sec execute 76 sec latency 12820.458 ms Failover mds1 to oleg411-server mount facets: mds1 1 1389 0.18 MB/sec execute 77 sec latency 13820.812 ms 1 1389 0.18 MB/sec execute 78 sec latency 14821.474 ms 1 1389 0.17 MB/sec execute 79 sec latency 15821.827 ms 1 1389 0.17 MB/sec execute 80 sec latency 16822.297 ms 1 1389 0.17 MB/sec execute 81 sec latency 17822.603 ms 1 1389 0.17 MB/sec execute 82 sec latency 18823.021 ms 1 1389 0.17 MB/sec execute 83 sec latency 19826.250 ms 1 1389 0.16 MB/sec execute 84 sec latency 20826.759 ms 1 1389 0.16 MB/sec execute 85 sec latency 21830.021 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 1389 0.16 MB/sec execute 86 sec latency 22830.284 ms 1 1389 0.16 MB/sec execute 87 sec latency 23830.591 ms 1 1389 0.16 MB/sec execute 88 sec latency 24831.890 ms 1 1389 0.15 MB/sec execute 89 sec latency 25834.035 ms 1 1389 0.15 MB/sec execute 90 sec latency 26837.143 ms 1 1389 0.15 MB/sec execute 91 sec latency 27837.527 ms 1 1389 0.15 MB/sec execute 92 sec latency 28837.984 ms 1 1389 0.15 MB/sec execute 93 sec latency 29839.658 ms 1 1389 0.15 MB/sec execute 94 sec latency 30839.948 ms 1 1389 0.14 MB/sec execute 95 sec latency 31840.176 ms 1 1389 0.14 MB/sec execute 96 sec latency 32840.493 ms 1 1389 0.14 MB/sec execute 97 sec latency 33841.142 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 1389 0.14 MB/sec execute 98 sec latency 34850.326 ms 1 1389 0.14 MB/sec execute 99 sec latency 35850.650 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0000 23:58:31 (1781236711) targets are mounted 23:58:31 (1781236711) facet_failover done 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 oleg411-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 109 sec 0 cleanup 110 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 140 699.782 44777.639 Close 127 12.901 28.793 Rename 10 85.246 142.489 Unlink 17 29.306 49.718 Qpathinfo 92 22.495 103.209 Qfileinfo 53 2.787 21.892 Qfsinfo 33 3.521 15.960 Sfileinfo 34 65.005 138.384 Find 46 8.758 52.515 WriteX 252 15.610 67.092 ReadX 221 2.483 67.913 Flush 24 94.293 1065.507 Throughput 0.138587 MB/sec 1 clients 1 procs max_latency=44777.659 ms stopping dbench on /mnt/lustre at Thu Jun 11 23:58:41 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished 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 Jun 11 23:58:47 EDT 2026 waiting for dbench pid 48249 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 38 1.31 MB/sec warmup 1 sec latency 83.360 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 27136 3578520 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19172 3582636 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46308 7161156 1% /mnt/lustre 1 92 2.09 MB/sec warmup 2 sec latency 159.128 ms 1 129 1.91 MB/sec warmup 3 sec latency 213.713 ms 1 155 1.63 MB/sec warmup 4 sec latency 168.617 ms 1 184 1.47 MB/sec warmup 5 sec latency 203.793 ms 1 197 1.30 MB/sec warmup 6 sec latency 581.552 ms 1 223 1.23 MB/sec warmup 7 sec latency 324.915 ms 1 223 1.08 MB/sec warmup 8 sec latency 1325.641 ms 1 231 0.98 MB/sec warmup 9 sec latency 2061.719 ms 1 269 1.01 MB/sec warmup 10 sec latency 132.952 ms 1 297 0.99 MB/sec warmup 11 sec latency 137.471 ms 1 332 1.00 MB/sec warmup 12 sec latency 200.671 ms test_26 fail mds1 3 times 1 365 1.00 MB/sec warmup 13 sec latency 146.639 ms 1 397 1.00 MB/sec warmup 14 sec latency 135.927 ms Failing mds1 on oleg411-server 1 445 1.04 MB/sec warmup 15 sec latency 121.571 ms Stopping /mnt/lustre-mds1 (opts:) on oleg411-server 1 485 1.06 MB/sec warmup 16 sec latency 121.134 ms 1 485 1.00 MB/sec warmup 17 sec latency 1121.757 ms 1 485 0.94 MB/sec warmup 18 sec latency 2122.377 ms 23:59:05 (1781236745) shut down facet: mds1 facet_host: oleg411-server facet_failover_host: oleg411-server 1 485 0.89 MB/sec warmup 19 sec latency 3123.453 ms 1 485 0.00 MB/sec execute 1 sec latency 5136.672 ms 1 485 0.00 MB/sec execute 2 sec latency 6137.016 ms 1 485 0.00 MB/sec execute 3 sec latency 7137.559 ms 1 485 0.00 MB/sec execute 4 sec latency 8137.778 ms 1 485 0.00 MB/sec execute 5 sec latency 9137.997 ms 1 485 0.00 MB/sec execute 6 sec latency 10138.270 ms 1 485 0.00 MB/sec execute 7 sec latency 11138.471 ms 1 485 0.00 MB/sec execute 8 sec latency 12138.915 ms Failover mds1 to oleg411-server mount facets: mds1 1 485 0.00 MB/sec execute 9 sec latency 13139.164 ms 1 485 0.00 MB/sec execute 10 sec latency 14139.436 ms 1 485 0.00 MB/sec execute 11 sec latency 15140.858 ms 1 485 0.00 MB/sec execute 12 sec latency 16142.779 ms 1 485 0.00 MB/sec execute 13 sec latency 17143.428 ms 1 485 0.00 MB/sec execute 14 sec latency 18143.607 ms 1 485 0.00 MB/sec execute 15 sec latency 19143.785 ms 1 485 0.00 MB/sec execute 16 sec latency 20144.602 ms 1 485 0.00 MB/sec execute 17 sec latency 21146.732 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 485 0.00 MB/sec execute 18 sec latency 22150.155 ms 1 485 0.00 MB/sec execute 19 sec latency 23150.479 ms 1 485 0.00 MB/sec execute 20 sec latency 24150.861 ms 1 485 0.00 MB/sec execute 21 sec latency 25151.205 ms 1 485 0.00 MB/sec execute 22 sec latency 26152.521 ms 1 485 0.00 MB/sec execute 23 sec latency 27162.078 ms 1 485 0.00 MB/sec execute 24 sec latency 28170.121 ms 1 485 0.00 MB/sec execute 25 sec latency 29170.332 ms 1 485 0.00 MB/sec execute 26 sec latency 30187.701 ms 1 485 0.00 MB/sec execute 27 sec latency 31189.861 ms 1 485 0.00 MB/sec execute 28 sec latency 32191.090 ms 1 485 0.00 MB/sec execute 29 sec latency 33193.376 ms 1 485 0.00 MB/sec execute 30 sec latency 34193.811 ms 1 485 0.00 MB/sec execute 31 sec latency 35195.896 ms oleg411-server: oleg411-server.virtnet: executing set_default_debug -1 all 1 485 0.00 MB/sec execute 32 sec latency 36196.208 ms pdsh@oleg411-client: oleg411-server: ssh exited with exit code 1 1 485 0.00 MB/sec execute 33 sec latency 37196.462 ms Started lustre-MDT0000 23:59:41 (1781236781) targets are mounted 23:59:41 (1781236781) facet_failover done 1 485 0.00 MB/sec execute 34 sec latency 38196.775 ms 1 485 0.00 MB/sec execute 35 sec latency 39205.449 ms 1 485 0.00 MB/sec execute 36 sec latency 40206.007 ms 1 485 0.00 MB/sec execute 37 sec latency 41208.344 ms 1 485 0.00 MB/sec execute 38 sec latency 42209.166 ms 1 485 0.00 MB/sec execute 39 sec latency 43217.450 ms 1 485 0.00 MB/sec execute 40 sec latency 44218.663 ms 1 493 0.01 MB/sec execute 41 sec latency 44884.956 ms 1 513 0.02 MB/sec execute 42 sec latency 216.763 ms 1 573 0.05 MB/sec execute 43 sec latency 224.255 ms oleg411-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 636 0.09 MB/sec execute 44 sec latency 90.453 ms 1 666 0.09 MB/sec execute 45 sec latency 132.332 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.09 MB/sec execute 46 sec latency 191.524 ms 1 718 0.09 MB/sec execute 47 sec latency 165.372 ms 1 740 0.09 MB/sec execute 48 sec latency 165.341 ms 1 769 0.09 MB/sec execute 49 sec latency 187.892 ms 1 791 0.09 MB/sec execute 50 sec latency 154.926 ms 1 815 0.09 MB/sec execute 51 sec latency 164.703 ms 1 860 0.09 MB/sec execute 52 sec latency 148.097 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 884 0.09 MB/sec execute 53 sec latency 140.855 ms 1 884 0.09 MB/sec execute 54 sec latency 1144.630 ms 1 913 0.09 MB/sec execute 55 sec latency 1154.256 ms 1 949 0.09 MB/sec execute 56 sec latency 130.332 ms 1 972 0.09 MB/sec execute 57 sec latency 183.817 ms 1 1028 0.10 MB/sec execute 58 sec latency 129.988 ms 1 1071 0.10 MB/sec execute 59 sec latency 103.513 ms 1 1116 0.10 MB/sec execute 60 sec latency 126.328 ms 1 1156 0.10 MB/sec execute 61 sec latency 144.967 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jun 12 00:00:09 EDT 2026 with return code 0 1 1193 0.10 MB/sec execute 62 sec latency 94.858 ms 48249 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48249 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished