== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:20:25 (1773613225) Starting client oleg452-client.virtnet: -o user_xattr,flock 192.168.204.152@tcp:/lustre /mnt/lustre Started clients oleg452-client.virtnet: 192.168.204.152@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65523 Started dbench loop with 65524 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush2 /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 Sun Mar 15 18:20:30 EDT 2026 waiting for dbench pid 65574 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3580756 1% /mnt/lustre[OST:0] 1 of 1 processes prepared for launch 0 sec releasing clients lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7186232 1% /mnt/lustre 1 42 1.57 MB/sec warmup 1 sec latency 74.603 ms 1 114 2.62 MB/sec warmup 2 sec latency 148.915 ms 1 169 2.29 MB/sec warmup 3 sec latency 93.179 ms 1 199 1.96 MB/sec warmup 4 sec latency 322.177 ms 1 248 1.88 MB/sec warmup 5 sec latency 122.118 ms 1 305 1.87 MB/sec warmup 6 sec latency 103.504 ms 1 358 1.82 MB/sec warmup 7 sec latency 89.920 ms test_26 fail mds1 1 times 1 412 1.82 MB/sec warmup 8 sec latency 91.549 ms Failing mds1 on oleg452-server 1 459 1.79 MB/sec warmup 9 sec latency 126.729 ms Stopping /mnt/lustre-mds1 (opts:) on oleg452-server 1 506 1.74 MB/sec warmup 10 sec latency 114.313 ms 1 575 1.76 MB/sec warmup 11 sec latency 173.275 ms 1 606 1.75 MB/sec warmup 12 sec latency 807.080 ms 18:20:42 (1773613242) shut down facet: mds1 facet_host: oleg452-server facet_failover_host: oleg452-server 1 606 1.61 MB/sec warmup 13 sec latency 1807.403 ms 1 606 1.50 MB/sec warmup 14 sec latency 2807.705 ms 1 606 1.40 MB/sec warmup 15 sec latency 3808.034 ms 1 606 1.31 MB/sec warmup 16 sec latency 4809.077 ms 1 606 1.23 MB/sec warmup 17 sec latency 5809.345 ms 1 606 1.16 MB/sec warmup 18 sec latency 6809.731 ms 1 606 1.10 MB/sec warmup 19 sec latency 7810.400 ms 1 606 0.00 MB/sec execute 1 sec latency 9810.928 ms 1 606 0.00 MB/sec execute 2 sec latency 10812.320 ms Failover mds1 to oleg452-server mount facets: mds1 1 606 0.00 MB/sec execute 3 sec latency 11812.540 ms 1 606 0.00 MB/sec execute 4 sec latency 12812.878 ms 1 606 0.00 MB/sec execute 5 sec latency 13813.156 ms 1 606 0.00 MB/sec execute 6 sec latency 14814.105 ms 1 606 0.00 MB/sec execute 7 sec latency 15814.437 ms 1 606 0.00 MB/sec execute 8 sec latency 16815.480 ms 1 606 0.00 MB/sec execute 9 sec latency 17816.780 ms 1 606 0.00 MB/sec execute 10 sec latency 18818.277 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 11 sec latency 19821.112 ms 1 606 0.00 MB/sec execute 12 sec latency 20822.150 ms 1 606 0.00 MB/sec execute 13 sec latency 21822.721 ms 1 606 0.00 MB/sec execute 14 sec latency 22822.917 ms 1 606 0.00 MB/sec execute 15 sec latency 23823.382 ms 1 606 0.00 MB/sec execute 16 sec latency 24823.737 ms 1 606 0.00 MB/sec execute 17 sec latency 25826.339 ms 1 606 0.00 MB/sec execute 18 sec latency 26826.623 ms 1 606 0.00 MB/sec execute 19 sec latency 27826.866 ms 1 606 0.00 MB/sec execute 20 sec latency 28840.981 ms 1 606 0.00 MB/sec execute 21 sec latency 29845.484 ms 1 606 0.00 MB/sec execute 22 sec latency 30846.826 ms oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 23 sec latency 31847.878 ms pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 24 sec latency 32848.131 ms Started lustre-MDT0000 18:21:14 (1773613274) targets are mounted 18:21:14 (1773613274) facet_failover done 1 606 0.00 MB/sec execute 25 sec latency 33848.425 ms 1 606 0.00 MB/sec execute 26 sec latency 34848.807 ms 1 612 0.00 MB/sec execute 27 sec latency 35731.633 ms 1 678 0.01 MB/sec execute 28 sec latency 74.981 ms oleg452-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 720 0.01 MB/sec execute 29 sec latency 143.243 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 747 0.01 MB/sec execute 30 sec latency 475.411 ms 1 803 0.02 MB/sec execute 31 sec latency 71.653 ms 1 874 0.02 MB/sec execute 32 sec latency 89.493 ms 1 914 0.02 MB/sec execute 33 sec latency 87.293 ms 1 967 0.02 MB/sec execute 34 sec latency 88.435 ms 1 1028 0.05 MB/sec execute 35 sec latency 83.018 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45092 3561156 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13636 3593084 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58728 7154240 1% /mnt/lustre 1 1084 0.05 MB/sec execute 36 sec latency 69.856 ms 1 1145 0.05 MB/sec execute 37 sec latency 90.283 ms 1 1193 0.05 MB/sec execute 38 sec latency 110.746 ms 1 1244 0.05 MB/sec execute 39 sec latency 68.945 ms 1 1285 0.05 MB/sec execute 40 sec latency 225.793 ms 1 1319 0.08 MB/sec execute 41 sec latency 971.664 ms 1 1403 0.12 MB/sec execute 42 sec latency 452.701 ms 1 1482 0.12 MB/sec execute 43 sec latency 63.719 ms test_26 fail mds2 2 times 1 1551 0.12 MB/sec execute 44 sec latency 65.072 ms 1 1603 0.12 MB/sec execute 45 sec latency 52.957 ms Failing mds2 on oleg452-server Stopping /mnt/lustre-mds2 (opts:) on oleg452-server 1 1656 0.11 MB/sec execute 46 sec latency 106.232 ms 1 1717 0.11 MB/sec execute 47 sec latency 90.425 ms 1 1824 0.11 MB/sec execute 48 sec latency 54.651 ms 1 1923 0.11 MB/sec execute 49 sec latency 59.397 ms 1 2006 0.11 MB/sec execute 50 sec latency 66.085 ms 1 2069 0.11 MB/sec execute 51 sec latency 61.190 ms 1 2158 0.11 MB/sec execute 52 sec latency 68.393 ms 1 2234 0.11 MB/sec execute 53 sec latency 67.522 ms 18:21:43 (1773613303) shut down facet: mds2 facet_host: oleg452-server facet_failover_host: oleg452-server 1 2259 0.11 MB/sec execute 54 sec latency 800.006 ms 1 2259 0.11 MB/sec execute 55 sec latency 1800.288 ms 1 2259 0.10 MB/sec execute 56 sec latency 2801.834 ms 1 2259 0.10 MB/sec execute 57 sec latency 3802.111 ms 1 2259 0.10 MB/sec execute 58 sec latency 4802.374 ms 1 2259 0.10 MB/sec execute 59 sec latency 5802.651 ms 1 2259 0.10 MB/sec execute 60 sec latency 6802.909 ms 1 2259 0.10 MB/sec execute 61 sec latency 7803.505 ms 1 2259 0.09 MB/sec execute 62 sec latency 8803.799 ms 1 2259 0.09 MB/sec execute 63 sec latency 9804.741 ms Failover mds2 to oleg452-server mount facets: mds2 1 2259 0.09 MB/sec execute 64 sec latency 10804.890 ms 1 2259 0.09 MB/sec execute 65 sec latency 11805.716 ms 1 2259 0.09 MB/sec execute 66 sec latency 12807.456 ms 1 2259 0.09 MB/sec execute 67 sec latency 13813.541 ms 1 2259 0.09 MB/sec execute 68 sec latency 14813.793 ms 1 2259 0.08 MB/sec execute 69 sec latency 15814.692 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.08 MB/sec execute 70 sec latency 16818.143 ms 1 2259 0.08 MB/sec execute 71 sec latency 17818.471 ms 1 2259 0.08 MB/sec execute 72 sec latency 18818.646 ms 1 2259 0.08 MB/sec execute 73 sec latency 19819.313 ms oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 2259 0.08 MB/sec execute 74 sec latency 20819.953 ms Started lustre-MDT0001 18:22:04 (1773613324) targets are mounted 18:22:04 (1773613324) facet_failover done 1 2259 0.08 MB/sec execute 75 sec latency 21820.235 ms 1 2259 0.08 MB/sec execute 76 sec latency 22825.214 ms 1 2259 0.08 MB/sec execute 77 sec latency 23826.220 ms 1 2342 0.09 MB/sec execute 78 sec latency 23919.907 ms 1 2384 0.09 MB/sec execute 79 sec latency 91.042 ms oleg452-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2428 0.09 MB/sec execute 80 sec latency 81.856 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2467 0.09 MB/sec execute 81 sec latency 104.188 ms 1 2561 0.10 MB/sec execute 82 sec latency 80.308 ms 1 2604 0.10 MB/sec execute 83 sec latency 93.711 ms 1 2773 0.13 MB/sec execute 84 sec latency 83.802 ms 1 2931 0.15 MB/sec execute 85 sec latency 71.148 ms 1 3012 0.15 MB/sec execute 86 sec latency 88.388 ms 1 3204 0.15 MB/sec execute 87 sec latency 101.145 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 54840 3551860 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 14892 3590056 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69732 7141916 1% /mnt/lustre 1 3305 0.16 MB/sec execute 88 sec latency 99.255 ms 1 3378 0.16 MB/sec execute 89 sec latency 64.859 ms 1 3533 0.19 MB/sec execute 90 sec latency 101.237 ms 1 3592 0.19 MB/sec execute 91 sec latency 69.645 ms 1 3673 0.19 MB/sec execute 92 sec latency 64.555 ms 1 3715 0.19 MB/sec execute 93 sec latency 88.234 ms 1 3785 0.20 MB/sec execute 94 sec latency 82.500 ms test_26 fail mds1 3 times 1 3840 0.20 MB/sec execute 95 sec latency 89.569 ms 1 3885 0.20 MB/sec execute 96 sec latency 79.456 ms Failing mds1 on oleg452-server Stopping /mnt/lustre-mds1 (opts:) on oleg452-server 1 3939 0.20 MB/sec execute 97 sec latency 93.501 ms 1 3991 0.19 MB/sec execute 98 sec latency 90.148 ms 1 4054 0.19 MB/sec execute 99 sec latency 75.739 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 18:22:35 (1773613355) shut down facet: mds1 facet_host: oleg452-server facet_failover_host: oleg452-server 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 Failover mds1 to oleg452-server mount facets: mds1 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec 1 cleanup 139 sec 1 cleanup 140 sec 1 cleanup 141 sec 1 cleanup 143 sec 1 cleanup 144 sec 1 cleanup 145 sec 1 cleanup 146 sec 1 cleanup 147 sec 1 cleanup 148 sec 1 cleanup 149 sec 1 cleanup 150 sec 1 cleanup 151 sec 1 cleanup 152 sec 1 cleanup 153 sec 1 cleanup 154 sec 1 cleanup 155 sec 1 cleanup 156 sec 1 cleanup 157 sec 1 cleanup 158 sec 1 cleanup 159 sec oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all 1 cleanup 160 sec 1 cleanup 161 sec pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 cleanup 162 sec 1 cleanup 163 sec Started lustre-MDT0000 18:23:33 (1773613413) targets are mounted 18:23:33 (1773613413) facet_failover done 1 cleanup 164 sec 1 cleanup 165 sec 0 cleanup 166 sec 0 cleanup 166 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 613 77.046 23919.889 Close 448 8.798 37.779 Rename 26 63.476 110.718 Unlink 96 19.735 43.083 Qpathinfo 534 187.767 57968.809 Qfileinfo 97 1.856 14.468 Qfsinfo 98 2.362 16.064 Sfileinfo 50 47.552 83.103 Find 204 8.411 27.302 WriteX 303 9.882 59.649 ReadX 962 0.968 67.476 LockX 2 3.836 4.176 UnlockX 2 5.409 5.628 Flush 43 44.383 133.761 Throughput 0.192667 MB/sec 1 clients 1 procs max_latency=35731.633 ms stopping dbench on /mnt/lustre at Sun Mar 15 18:23:36 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg452-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 Sun Mar 15 18:23:49 EDT 2026 waiting for dbench pid 68723 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 8 0.00 MB/sec warmup 1 sec latency 68.898 ms 1 38 0.66 MB/sec warmup 2 sec latency 151.393 ms 1 77 1.11 MB/sec warmup 3 sec latency 158.870 ms 1 114 1.30 MB/sec warmup 4 sec latency 179.989 ms 1 147 1.25 MB/sec warmup 5 sec latency 135.663 ms 1 181 1.22 MB/sec warmup 6 sec latency 153.912 ms 1 197 1.12 MB/sec warmup 7 sec latency 460.075 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 238 1.14 MB/sec warmup 8 sec latency 138.220 ms 1 271 1.13 MB/sec warmup 9 sec latency 189.476 ms 1 293 1.07 MB/sec warmup 10 sec latency 169.329 ms 1 332 1.09 MB/sec warmup 11 sec latency 101.669 ms 1 358 1.06 MB/sec warmup 12 sec latency 182.568 ms 1 397 1.08 MB/sec warmup 13 sec latency 119.450 ms 1 442 1.11 MB/sec warmup 14 sec latency 122.958 ms 1 477 1.11 MB/sec warmup 15 sec latency 172.015 ms 1 511 1.10 MB/sec warmup 16 sec latency 127.756 ms 1 594 1.21 MB/sec warmup 17 sec latency 132.646 ms 1 656 1.17 MB/sec warmup 18 sec latency 100.067 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Mar 15 18:24:08 EDT 2026 with return code 0 1 701 1.11 MB/sec warmup 19 sec latency 98.686 ms 68723 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68723 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished