== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:04:41 (1787796281) Starting client oleg110-client.virtnet: -o user_xattr,flock 192.168.201.110@tcp:/lustre /mnt/lustre Started clients oleg110-client.virtnet: 192.168.201.110@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 crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1932 1269372 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 5640 3593064 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7198520 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 Wed Aug 26 22:04:48 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 0 11 0.00 MB/sec warmup 1 sec latency 6.868 ms 1 59 1.21 MB/sec warmup 2 sec latency 132.042 ms 1 109 1.72 MB/sec warmup 3 sec latency 153.770 ms 1 133 1.45 MB/sec warmup 4 sec latency 245.256 ms 1 155 1.31 MB/sec warmup 5 sec latency 293.186 ms 1 166 1.13 MB/sec warmup 6 sec latency 714.901 ms 1 184 1.05 MB/sec warmup 7 sec latency 442.226 ms 1 215 1.04 MB/sec warmup 8 sec latency 646.738 ms test_26 fail mds1 1 times 1 259 1.08 MB/sec warmup 9 sec latency 136.556 ms 1 289 1.07 MB/sec warmup 10 sec latency 163.337 ms Failing mds1 on oleg110-server 1 323 1.06 MB/sec warmup 11 sec latency 138.901 ms 1 353 1.04 MB/sec warmup 12 sec latency 210.876 ms Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 390 1.06 MB/sec warmup 13 sec latency 133.702 ms 1 396 1.00 MB/sec warmup 14 sec latency 922.943 ms 1 396 0.94 MB/sec warmup 15 sec latency 1923.468 ms 22:05:03 (1787796303) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 396 0.88 MB/sec warmup 16 sec latency 2924.073 ms 1 396 0.83 MB/sec warmup 17 sec latency 3924.346 ms 1 396 0.78 MB/sec warmup 18 sec latency 4924.693 ms 1 396 0.74 MB/sec warmup 19 sec latency 5925.822 ms 1 396 0.00 MB/sec execute 1 sec latency 7926.352 ms 1 396 0.00 MB/sec execute 2 sec latency 8926.676 ms 1 396 0.00 MB/sec execute 3 sec latency 9926.878 ms 1 396 0.00 MB/sec execute 4 sec latency 10927.255 ms 1 396 0.00 MB/sec execute 5 sec latency 11927.465 ms Failover mds1 to oleg110-server mount facets: mds1 1 396 0.00 MB/sec execute 6 sec latency 12932.357 ms 1 396 0.00 MB/sec execute 7 sec latency 13933.837 ms 1 396 0.00 MB/sec execute 8 sec latency 14934.089 ms 1 396 0.00 MB/sec execute 9 sec latency 15934.904 ms 1 396 0.00 MB/sec execute 10 sec latency 16937.319 ms 1 396 0.00 MB/sec execute 11 sec latency 17937.699 ms 1 396 0.00 MB/sec execute 12 sec latency 18939.015 ms 1 396 0.00 MB/sec execute 13 sec latency 19940.117 ms 1 396 0.00 MB/sec execute 14 sec latency 20941.275 ms 1 396 0.00 MB/sec execute 15 sec latency 21941.559 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 396 0.00 MB/sec execute 16 sec latency 22942.008 ms 1 396 0.00 MB/sec execute 17 sec latency 23942.324 ms 1 396 0.00 MB/sec execute 18 sec latency 24943.088 ms 1 396 0.00 MB/sec execute 19 sec latency 25943.487 ms 1 396 0.00 MB/sec execute 20 sec latency 26943.790 ms 1 396 0.00 MB/sec execute 21 sec latency 27944.860 ms 1 396 0.00 MB/sec execute 22 sec latency 28948.251 ms 1 396 0.00 MB/sec execute 23 sec latency 29948.517 ms 1 396 0.00 MB/sec execute 24 sec latency 30948.746 ms 1 396 0.00 MB/sec execute 25 sec latency 31950.810 ms 1 396 0.00 MB/sec execute 26 sec latency 32951.664 ms 1 396 0.00 MB/sec execute 27 sec latency 33951.951 ms 1 396 0.00 MB/sec execute 28 sec latency 34952.199 ms 1 396 0.00 MB/sec execute 29 sec latency 35954.258 ms 1 396 0.00 MB/sec execute 30 sec latency 36956.094 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 396 0.00 MB/sec execute 31 sec latency 37956.347 ms 1 396 0.00 MB/sec execute 32 sec latency 38958.994 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 409 0.01 MB/sec execute 33 sec latency 39482.449 ms Started lustre-MDT0000 22:05:41 (1787796341) targets are mounted 22:05:41 (1787796341) facet_failover done 1 448 0.05 MB/sec execute 34 sec latency 139.906 ms 1 477 0.07 MB/sec execute 35 sec latency 145.002 ms 1 504 0.09 MB/sec execute 36 sec latency 179.426 ms 1 543 0.14 MB/sec execute 37 sec latency 139.036 ms 1 579 0.15 MB/sec execute 38 sec latency 638.195 ms 1 638 0.18 MB/sec execute 39 sec latency 94.558 ms 1 671 0.18 MB/sec execute 40 sec latency 107.303 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 708 0.17 MB/sec execute 41 sec latency 103.296 ms 1 744 0.17 MB/sec execute 42 sec latency 96.353 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 785 0.17 MB/sec execute 43 sec latency 114.608 ms 1 821 0.17 MB/sec execute 44 sec latency 101.763 ms 1 870 0.17 MB/sec execute 45 sec latency 147.986 ms 1 900 0.16 MB/sec execute 46 sec latency 132.759 ms 1 919 0.16 MB/sec execute 47 sec latency 165.959 ms 1 969 0.16 MB/sec execute 48 sec latency 84.952 ms 1 1031 0.18 MB/sec execute 49 sec latency 121.669 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 7748 3595816 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44540 3558264 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 52288 7154080 1% /mnt/lustre 1 1077 0.18 MB/sec execute 50 sec latency 123.561 ms 1 1132 0.17 MB/sec execute 51 sec latency 83.482 ms 1 1172 0.17 MB/sec execute 52 sec latency 157.633 ms 1 1173 0.17 MB/sec execute 53 sec latency 1144.123 ms 1 1202 0.17 MB/sec execute 54 sec latency 165.910 ms 1 1244 0.16 MB/sec execute 55 sec latency 95.350 ms 1 1296 0.17 MB/sec execute 56 sec latency 105.296 ms 1 1406 0.21 MB/sec execute 57 sec latency 113.933 ms 1 1474 0.21 MB/sec execute 58 sec latency 73.208 ms 1 1530 0.20 MB/sec execute 59 sec latency 103.382 ms test_26 fail mds2 2 times 1 1578 0.20 MB/sec execute 60 sec latency 92.584 ms Failing mds2 on oleg110-server 1 1619 0.20 MB/sec execute 61 sec latency 94.249 ms 1 1662 0.20 MB/sec execute 62 sec latency 115.507 ms Stopping /mnt/lustre-mds2 (opts:) on oleg110-server 1 1707 0.19 MB/sec execute 63 sec latency 116.819 ms 1 1795 0.19 MB/sec execute 64 sec latency 73.710 ms 1 1851 0.19 MB/sec execute 65 sec latency 103.547 ms 22:06:13 (1787796373) shut down facet: mds2 facet_host: oleg110-server facet_failover_host: oleg110-server 1 1924 0.19 MB/sec execute 66 sec latency 102.134 ms 1 2020 0.19 MB/sec execute 67 sec latency 54.107 ms 1 2125 0.18 MB/sec execute 68 sec latency 52.135 ms 1 2170 0.18 MB/sec execute 69 sec latency 99.883 ms 1 2259 0.18 MB/sec execute 70 sec latency 138.159 ms 1 2259 0.18 MB/sec execute 71 sec latency 1138.641 ms 1 2259 0.18 MB/sec execute 72 sec latency 2138.988 ms 1 2259 0.17 MB/sec execute 73 sec latency 3139.292 ms 1 2259 0.17 MB/sec execute 74 sec latency 4139.533 ms 1 2259 0.17 MB/sec execute 75 sec latency 5139.725 ms Failover mds2 to oleg110-server mount facets: mds2 1 2259 0.17 MB/sec execute 76 sec latency 6140.156 ms 1 2259 0.16 MB/sec execute 77 sec latency 7140.430 ms 1 2259 0.16 MB/sec execute 78 sec latency 8140.853 ms 1 2259 0.16 MB/sec execute 79 sec latency 9142.923 ms 1 2259 0.16 MB/sec execute 80 sec latency 10143.841 ms 1 2259 0.16 MB/sec execute 81 sec latency 11145.508 ms 1 2259 0.15 MB/sec execute 82 sec latency 12146.291 ms 1 2259 0.15 MB/sec execute 83 sec latency 13147.936 ms 1 2259 0.15 MB/sec execute 84 sec latency 14148.185 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 85 sec latency 15148.437 ms 1 2259 0.15 MB/sec execute 86 sec latency 16148.983 ms 1 2259 0.15 MB/sec execute 87 sec latency 17149.149 ms 1 2259 0.14 MB/sec execute 88 sec latency 18149.885 ms 1 2259 0.14 MB/sec execute 89 sec latency 19150.105 ms 1 2259 0.14 MB/sec execute 90 sec latency 20150.368 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 91 sec latency 21150.598 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 92 sec latency 22150.750 ms Started lustre-MDT0001 22:06:41 (1787796401) targets are mounted 22:06:41 (1787796401) facet_failover done 1 2259 0.14 MB/sec execute 93 sec latency 23152.736 ms 1 2300 0.15 MB/sec execute 94 sec latency 23753.526 ms 1 2359 0.15 MB/sec execute 95 sec latency 80.021 ms 1 2416 0.15 MB/sec execute 96 sec latency 97.845 ms 1 2461 0.15 MB/sec execute 97 sec latency 133.417 ms 1 2497 0.15 MB/sec execute 98 sec latency 140.728 ms 1 2582 0.15 MB/sec execute 99 sec latency 89.441 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 100 sec 1 cleanup 101 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 376 112.928 23753.507 Close 324 132.108 39482.418 Rename 17 90.713 165.934 Unlink 40 22.358 58.655 Qpathinfo 349 16.063 123.547 Qfileinfo 96 2.367 14.243 Qfsinfo 47 3.603 28.323 Sfileinfo 50 54.861 140.710 Find 123 12.433 70.286 WriteX 340 14.035 93.661 ReadX 431 1.835 64.676 Flush 34 53.779 107.676 Throughput 0.149963 MB/sec 1 clients 1 procs max_latency=39482.449 ms stopping dbench on /mnt/lustre at Wed Aug 26 22:06:52 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2328 1268976 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2472 3603564 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20164 3585792 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22636 7189356 1% /mnt/lustre 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 Wed Aug 26 22:07:00 EDT 2026 waiting for dbench pid 67915 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 12 0.00 MB/sec warmup 1 sec latency 22.089 ms 1 30 0.52 MB/sec warmup 2 sec latency 797.613 ms 1 31 0.35 MB/sec warmup 3 sec latency 1699.915 ms 1 94 1.04 MB/sec warmup 4 sec latency 123.781 ms 1 137 1.20 MB/sec warmup 5 sec latency 145.851 ms 1 174 1.17 MB/sec warmup 6 sec latency 112.001 ms test_26 fail mds1 3 times 1 190 1.08 MB/sec warmup 7 sec latency 530.134 ms 1 221 1.07 MB/sec warmup 8 sec latency 154.510 ms Failing mds1 on oleg110-server 1 259 1.08 MB/sec warmup 9 sec latency 138.600 ms Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 289 1.07 MB/sec warmup 10 sec latency 173.068 ms 1 305 1.02 MB/sec warmup 11 sec latency 681.653 ms 1 305 0.93 MB/sec warmup 12 sec latency 1681.877 ms 1 305 0.86 MB/sec warmup 13 sec latency 2682.163 ms 1 305 0.80 MB/sec warmup 14 sec latency 3682.320 ms 1 305 0.75 MB/sec warmup 15 sec latency 4683.955 ms 22:07:15 (1787796435) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 305 0.70 MB/sec warmup 16 sec latency 5684.180 ms 1 305 0.66 MB/sec warmup 17 sec latency 6684.434 ms 1 305 0.62 MB/sec warmup 18 sec latency 7686.952 ms 1 305 0.59 MB/sec warmup 19 sec latency 8687.144 ms 1 305 0.00 MB/sec execute 1 sec latency 10688.802 ms 1 305 0.00 MB/sec execute 2 sec latency 11689.027 ms 1 305 0.00 MB/sec execute 3 sec latency 12689.618 ms 1 305 0.00 MB/sec execute 4 sec latency 13690.963 ms 1 305 0.00 MB/sec execute 5 sec latency 14691.309 ms Failover mds1 to oleg110-server mount facets: mds1 1 305 0.00 MB/sec execute 6 sec latency 15691.918 ms 1 305 0.00 MB/sec execute 7 sec latency 16692.172 ms 1 305 0.00 MB/sec execute 8 sec latency 17692.433 ms 1 305 0.00 MB/sec execute 9 sec latency 18699.048 ms 1 305 0.00 MB/sec execute 10 sec latency 19704.601 ms 1 305 0.00 MB/sec execute 11 sec latency 20708.550 ms 1 305 0.00 MB/sec execute 12 sec latency 21708.791 ms 1 305 0.00 MB/sec execute 13 sec latency 22708.989 ms 1 305 0.00 MB/sec execute 14 sec latency 23710.886 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 305 0.00 MB/sec execute 15 sec latency 24711.185 ms 1 305 0.00 MB/sec execute 16 sec latency 25711.368 ms 1 305 0.00 MB/sec execute 17 sec latency 26711.723 ms 1 305 0.00 MB/sec execute 18 sec latency 27711.878 ms 1 305 0.00 MB/sec execute 19 sec latency 28714.367 ms 1 305 0.00 MB/sec execute 20 sec latency 29714.772 ms 1 305 0.00 MB/sec execute 21 sec latency 30717.480 ms 1 305 0.00 MB/sec execute 22 sec latency 31717.784 ms 1 305 0.00 MB/sec execute 23 sec latency 32720.438 ms 1 305 0.00 MB/sec execute 24 sec latency 33720.769 ms 1 305 0.00 MB/sec execute 25 sec latency 34721.035 ms 1 305 0.00 MB/sec execute 26 sec latency 35721.329 ms 1 305 0.00 MB/sec execute 27 sec latency 36723.322 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 28 sec latency 37723.855 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 29 sec latency 38725.854 ms Started lustre-MDT0000 22:07:50 (1787796470) targets are mounted 22:07:50 (1787796470) facet_failover done 1 324 0.02 MB/sec execute 30 sec latency 39102.163 ms 1 365 0.06 MB/sec execute 31 sec latency 150.972 ms 1 384 0.07 MB/sec execute 32 sec latency 367.379 ms 1 415 0.10 MB/sec execute 33 sec latency 125.047 ms 1 457 0.14 MB/sec execute 34 sec latency 125.482 ms 1 501 0.18 MB/sec execute 35 sec latency 116.873 ms 1 529 0.20 MB/sec execute 36 sec latency 136.571 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 598 0.26 MB/sec execute 37 sec latency 151.713 ms 1 642 0.26 MB/sec execute 38 sec latency 157.108 ms 1 673 0.25 MB/sec execute 39 sec latency 175.858 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 697 0.25 MB/sec execute 40 sec latency 187.530 ms 1 720 0.25 MB/sec execute 41 sec latency 210.707 ms 1 765 0.24 MB/sec execute 42 sec latency 94.564 ms 1 791 0.24 MB/sec execute 43 sec latency 171.020 ms 1 825 0.23 MB/sec execute 44 sec latency 140.923 ms 1 878 0.23 MB/sec execute 45 sec latency 93.436 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 913 0.23 MB/sec execute 46 sec latency 116.793 ms 1 959 0.22 MB/sec execute 47 sec latency 99.190 ms 1 988 0.22 MB/sec execute 48 sec latency 143.444 ms 1 1035 0.24 MB/sec execute 49 sec latency 417.880 ms 1 1035 0.23 MB/sec execute 50 sec latency 1418.081 ms 1 1067 0.23 MB/sec execute 51 sec latency 1457.410 ms 1 1113 0.23 MB/sec execute 52 sec latency 116.151 ms 1 1147 0.22 MB/sec execute 53 sec latency 132.477 ms 1 1207 0.22 MB/sec execute 54 sec latency 101.648 ms 1 1244 0.22 MB/sec execute 55 sec latency 138.359 ms 1 1264 0.21 MB/sec execute 56 sec latency 227.128 ms 1 1389 0.26 MB/sec execute 57 sec latency 141.402 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 26 22:08:17 EDT 2026 with return code 0 67915 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67915 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished