== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:17:47 (1787397467) Starting client oleg102-client.virtnet: -o user_xattr,flock 192.168.201.102@tcp:/lustre /mnt/lustre Started clients oleg102-client.virtnet: 192.168.201.102@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 65661 Started dbench loop with 65662 striped dir -i0 -c2 -H crush /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 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 3588900 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194376 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 Aug 22 07:17:54 EDT 2026 waiting for dbench pid 65739 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 9 0.00 MB/sec warmup 1 sec latency 7.875 ms 1 64 1.38 MB/sec warmup 2 sec latency 147.865 ms 1 113 1.75 MB/sec warmup 3 sec latency 147.344 ms 1 139 1.50 MB/sec warmup 4 sec latency 181.385 ms 1 173 1.41 MB/sec warmup 5 sec latency 196.474 ms 1 189 1.26 MB/sec warmup 6 sec latency 452.000 ms 1 215 1.19 MB/sec warmup 7 sec latency 195.235 ms 1 254 1.21 MB/sec warmup 8 sec latency 166.829 ms 1 296 1.22 MB/sec warmup 9 sec latency 109.556 ms test_26 fail mds1 1 times 1 331 1.20 MB/sec warmup 10 sec latency 153.374 ms 1 357 1.16 MB/sec warmup 11 sec latency 163.350 ms Failing mds1 on oleg102-server 1 389 1.15 MB/sec warmup 12 sec latency 289.752 ms 1 427 1.16 MB/sec warmup 13 sec latency 161.682 ms Stopping /mnt/lustre-mds1 (opts:) on oleg102-server 1 462 1.15 MB/sec warmup 14 sec latency 164.396 ms 1 477 1.11 MB/sec warmup 15 sec latency 574.929 ms 1 477 1.04 MB/sec warmup 16 sec latency 1575.395 ms 07:18:11 (1787397491) shut down 1 477 0.98 MB/sec warmup 17 sec latency 2578.794 ms facet: mds1 facet_host: oleg102-server facet_failover_host: oleg102-server 1 477 0.93 MB/sec warmup 18 sec latency 3579.377 ms 1 477 0.88 MB/sec warmup 19 sec latency 4579.850 ms 1 477 0.00 MB/sec execute 1 sec latency 6581.507 ms 1 477 0.00 MB/sec execute 2 sec latency 7581.929 ms 1 477 0.00 MB/sec execute 3 sec latency 8582.128 ms 1 477 0.00 MB/sec execute 4 sec latency 9583.639 ms 1 477 0.00 MB/sec execute 5 sec latency 10583.924 ms 1 477 0.00 MB/sec execute 6 sec latency 11586.022 ms 1 477 0.00 MB/sec execute 7 sec latency 12586.237 ms Failover mds1 to oleg102-server mount facets: mds1 1 477 0.00 MB/sec execute 8 sec latency 13586.383 ms 1 477 0.00 MB/sec execute 9 sec latency 14593.574 ms 1 477 0.00 MB/sec execute 10 sec latency 15594.373 ms 1 477 0.00 MB/sec execute 11 sec latency 16594.705 ms 1 477 0.00 MB/sec execute 12 sec latency 17594.923 ms 1 477 0.00 MB/sec execute 13 sec latency 18595.099 ms 1 477 0.00 MB/sec execute 14 sec latency 19595.251 ms 1 477 0.00 MB/sec execute 15 sec latency 20595.688 ms 1 477 0.00 MB/sec execute 16 sec latency 21605.290 ms 1 477 0.00 MB/sec execute 17 sec latency 22622.435 ms 1 477 0.00 MB/sec execute 18 sec latency 23623.749 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 477 0.00 MB/sec execute 19 sec latency 24625.375 ms 1 477 0.00 MB/sec execute 20 sec latency 25625.683 ms 1 477 0.00 MB/sec execute 21 sec latency 26626.025 ms 1 477 0.00 MB/sec execute 22 sec latency 27626.505 ms 1 477 0.00 MB/sec execute 23 sec latency 28626.728 ms 1 477 0.00 MB/sec execute 24 sec latency 29626.961 ms 1 477 0.00 MB/sec execute 25 sec latency 30628.010 ms 1 477 0.00 MB/sec execute 26 sec latency 31628.776 ms 1 477 0.00 MB/sec execute 27 sec latency 32629.388 ms 1 477 0.00 MB/sec execute 28 sec latency 33630.598 ms oleg102-server: oleg102-server.virtnet: executing set_default_debug -1 all 1 477 0.00 MB/sec execute 29 sec latency 34630.869 ms pdsh@oleg102-client: oleg102-server: ssh exited with exit code 1 1 477 0.00 MB/sec execute 30 sec latency 35634.027 ms 1 477 0.00 MB/sec execute 31 sec latency 36634.397 ms Started lustre-MDT0000 07:18:45 (1787397525) targets are mounted 07:18:45 (1787397525) facet_failover done 1 477 0.00 MB/sec execute 32 sec latency 37635.392 ms 1 513 0.03 MB/sec execute 33 sec latency 37640.568 ms 1 552 0.07 MB/sec execute 34 sec latency 182.689 ms 1 606 0.12 MB/sec execute 35 sec latency 528.156 ms 1 663 0.12 MB/sec execute 36 sec latency 119.834 ms 1 697 0.12 MB/sec execute 37 sec latency 149.240 ms 1 721 0.12 MB/sec execute 38 sec latency 160.287 ms oleg102-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 759 0.12 MB/sec execute 39 sec latency 126.396 ms 1 786 0.12 MB/sec execute 40 sec latency 132.105 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 817 0.12 MB/sec execute 41 sec latency 120.770 ms 1 865 0.12 MB/sec execute 42 sec latency 130.920 ms 1 900 0.12 MB/sec execute 43 sec latency 101.319 ms 1 927 0.12 MB/sec execute 44 sec latency 119.424 ms 1 959 0.11 MB/sec execute 45 sec latency 158.011 ms 1 990 0.11 MB/sec execute 46 sec latency 130.011 ms 1 1042 0.13 MB/sec execute 47 sec latency 93.908 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] 1 1082 0.13 MB/sec execute 48 sec latency 103.239 ms lustre-OST0000_UUID 3833116 34108 3571840 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20696 3581324 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54804 7153164 1% /mnt/lustre 1 1126 0.13 MB/sec execute 49 sec latency 111.372 ms 1 1154 0.13 MB/sec execute 50 sec latency 110.621 ms 1 1172 0.12 MB/sec execute 51 sec latency 617.094 ms 1 1185 0.12 MB/sec execute 52 sec latency 991.206 ms 1 1229 0.12 MB/sec execute 53 sec latency 75.797 ms 1 1259 0.12 MB/sec execute 54 sec latency 208.705 ms 1 1380 0.17 MB/sec execute 55 sec latency 91.285 ms 1 1406 0.17 MB/sec execute 56 sec latency 115.717 ms 1 1449 0.16 MB/sec execute 57 sec latency 152.495 ms 1 1499 0.16 MB/sec execute 58 sec latency 89.238 ms 1 1553 0.16 MB/sec execute 59 sec latency 89.117 ms test_26 fail mds2 2 times 1 1576 0.16 MB/sec execute 60 sec latency 104.245 ms 1 1609 0.15 MB/sec execute 61 sec latency 108.632 ms Failing mds2 on oleg102-server 1 1644 0.15 MB/sec execute 62 sec latency 142.785 ms Stopping /mnt/lustre-mds2 (opts:) on oleg102-server 1 1675 0.15 MB/sec execute 63 sec latency 135.203 ms 1 1696 0.15 MB/sec execute 64 sec latency 251.668 ms 1 1771 0.15 MB/sec execute 65 sec latency 176.891 ms 1 1836 0.15 MB/sec execute 66 sec latency 91.467 ms 1 1901 0.15 MB/sec execute 67 sec latency 80.224 ms 1 1978 0.14 MB/sec execute 68 sec latency 85.661 ms 1 2057 0.14 MB/sec execute 69 sec latency 104.434 ms 1 2108 0.14 MB/sec execute 70 sec latency 96.087 ms 1 2154 0.14 MB/sec execute 71 sec latency 157.070 ms 1 2185 0.14 MB/sec execute 72 sec latency 144.400 ms 07:19:27 (1787397567) shut down facet: mds2 facet_host: oleg102-server facet_failover_host: oleg102-server 1 2226 0.14 MB/sec execute 73 sec latency 131.642 ms 1 2259 0.14 MB/sec execute 74 sec latency 648.835 ms 1 2259 0.13 MB/sec execute 75 sec latency 1649.269 ms 1 2259 0.13 MB/sec execute 76 sec latency 2649.580 ms 1 2259 0.13 MB/sec execute 77 sec latency 3650.512 ms 1 2259 0.13 MB/sec execute 78 sec latency 4650.763 ms 1 2259 0.13 MB/sec execute 79 sec latency 5651.019 ms 1 2259 0.13 MB/sec execute 80 sec latency 6651.227 ms 1 2259 0.12 MB/sec execute 81 sec latency 7652.050 ms 1 2259 0.12 MB/sec execute 82 sec latency 8652.384 ms 1 2259 0.12 MB/sec execute 83 sec latency 9652.746 ms Failover mds2 to oleg102-server mount facets: mds2 1 2259 0.12 MB/sec execute 84 sec latency 10656.857 ms 1 2259 0.12 MB/sec execute 85 sec latency 11657.076 ms 1 2259 0.12 MB/sec execute 86 sec latency 12658.497 ms 1 2259 0.12 MB/sec execute 87 sec latency 13661.082 ms 1 2259 0.11 MB/sec execute 88 sec latency 14662.600 ms 1 2259 0.11 MB/sec execute 89 sec latency 15662.855 ms 1 2259 0.11 MB/sec execute 90 sec latency 16668.240 ms 1 2259 0.11 MB/sec execute 91 sec latency 17668.387 ms 1 2259 0.11 MB/sec execute 92 sec latency 18668.866 ms 1 2259 0.11 MB/sec execute 93 sec latency 19670.373 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 94 sec latency 20670.694 ms 1 2259 0.11 MB/sec execute 95 sec latency 21671.105 ms 1 2259 0.11 MB/sec execute 96 sec latency 22671.383 ms 1 2259 0.10 MB/sec execute 97 sec latency 23671.687 ms 1 2259 0.10 MB/sec execute 98 sec latency 24671.983 ms 1 2259 0.10 MB/sec execute 99 sec latency 25673.097 ms oleg102-server: oleg102-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg102-client: oleg102-server: ssh exited with exit code 1 1 cleanup 101 sec 1 cleanup 102 sec Started lustre-MDT0001 07:19:56 (1787397596) targets are mounted 07:19:56 (1787397596) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 323 265.121 37640.547 Close 279 13.151 50.263 Rename 11 115.212 251.645 Unlink 30 35.477 107.355 Qpathinfo 295 17.549 99.009 Qfileinfo 72 2.008 22.993 Qfsinfo 33 4.449 29.697 Sfileinfo 34 61.664 101.305 Find 92 12.245 49.263 WriteX 236 13.476 81.487 ReadX 348 3.867 107.254 Flush 30 59.944 148.725 Throughput 0.101876 MB/sec 1 clients 1 procs max_latency=37640.568 ms stopping dbench on /mnt/lustre at Sat Aug 22 07:20:00 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg102-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-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 Sat Aug 22 07:20:10 EDT 2026 waiting for dbench pid 67850 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 13 0.00 MB/sec warmup 1 sec latency 0.527 ms 1 70 1.56 MB/sec warmup 2 sec latency 114.655 ms 1 113 1.74 MB/sec warmup 3 sec latency 182.757 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2392 1268912 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 31064 3569916 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12368 3594652 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43432 7164568 1% /mnt/lustre 1 137 1.50 MB/sec warmup 4 sec latency 231.132 ms 1 155 1.30 MB/sec warmup 5 sec latency 295.859 ms 1 181 1.22 MB/sec warmup 6 sec latency 219.145 ms 1 197 1.12 MB/sec warmup 7 sec latency 556.554 ms 1 216 1.04 MB/sec warmup 8 sec latency 218.148 ms 1 251 1.05 MB/sec warmup 9 sec latency 219.398 ms 1 279 1.04 MB/sec warmup 10 sec latency 203.622 ms 1 315 1.04 MB/sec warmup 11 sec latency 134.123 ms 1 345 1.03 MB/sec warmup 12 sec latency 276.860 ms 1 373 1.02 MB/sec warmup 13 sec latency 190.001 ms 1 398 1.00 MB/sec warmup 14 sec latency 225.275 ms 1 429 1.01 MB/sec warmup 15 sec latency 177.671 ms test_26 fail mds1 3 times 1 468 1.02 MB/sec warmup 16 sec latency 202.796 ms 1 492 1.01 MB/sec warmup 17 sec latency 199.024 ms 1 509 0.98 MB/sec warmup 18 sec latency 267.596 ms Failing mds1 on oleg102-server 1 540 1.00 MB/sec warmup 19 sec latency 222.272 ms Stopping /mnt/lustre-mds1 (opts:) on oleg102-server 1 654 0.09 MB/sec execute 1 sec latency 163.086 ms 1 674 0.10 MB/sec execute 2 sec latency 316.676 ms 1 674 0.07 MB/sec execute 3 sec latency 1320.609 ms 1 674 0.05 MB/sec execute 4 sec latency 2320.771 ms 1 674 0.04 MB/sec execute 5 sec latency 3324.247 ms 07:20:36 (1787397636) shut down facet: mds1 facet_host: oleg102-server facet_failover_host: oleg102-server 1 674 0.03 MB/sec execute 6 sec latency 4324.687 ms 1 674 0.03 MB/sec execute 7 sec latency 5332.999 ms 1 674 0.02 MB/sec execute 8 sec latency 6333.416 ms 1 674 0.02 MB/sec execute 9 sec latency 7335.911 ms 1 674 0.02 MB/sec execute 10 sec latency 8338.319 ms 1 674 0.02 MB/sec execute 11 sec latency 9345.439 ms 1 674 0.02 MB/sec execute 12 sec latency 10345.730 ms 1 674 0.02 MB/sec execute 13 sec latency 11346.066 ms 1 674 0.01 MB/sec execute 14 sec latency 12348.168 ms 1 674 0.01 MB/sec execute 15 sec latency 13348.435 ms Failover mds1 to oleg102-server mount facets: mds1 1 674 0.01 MB/sec execute 16 sec latency 14348.669 ms 1 674 0.01 MB/sec execute 17 sec latency 15350.366 ms 1 674 0.01 MB/sec execute 18 sec latency 16351.478 ms 1 674 0.01 MB/sec execute 19 sec latency 17351.745 ms 1 674 0.01 MB/sec execute 20 sec latency 18352.219 ms 1 674 0.01 MB/sec execute 21 sec latency 19353.441 ms 1 674 0.01 MB/sec execute 22 sec latency 20354.048 ms 1 674 0.01 MB/sec execute 23 sec latency 21354.327 ms 1 674 0.01 MB/sec execute 24 sec latency 22354.671 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.01 MB/sec execute 25 sec latency 23355.623 ms 1 674 0.01 MB/sec execute 26 sec latency 24356.456 ms 1 674 0.01 MB/sec execute 27 sec latency 25356.743 ms 1 674 0.01 MB/sec execute 28 sec latency 26357.964 ms 1 674 0.01 MB/sec execute 29 sec latency 27358.203 ms 1 674 0.01 MB/sec execute 30 sec latency 28359.337 ms 1 674 0.01 MB/sec execute 31 sec latency 29359.550 ms 1 674 0.01 MB/sec execute 32 sec latency 30359.767 ms 1 674 0.01 MB/sec execute 33 sec latency 31361.749 ms 1 674 0.01 MB/sec execute 34 sec latency 32362.377 ms 1 674 0.01 MB/sec execute 35 sec latency 33362.954 ms 1 674 0.01 MB/sec execute 36 sec latency 34363.318 ms 1 674 0.01 MB/sec execute 37 sec latency 35364.360 ms oleg102-server: oleg102-server.virtnet: executing set_default_debug -1 all 1 674 0.01 MB/sec execute 38 sec latency 36365.941 ms 1 674 0.01 MB/sec execute 39 sec latency 37367.002 ms pdsh@oleg102-client: oleg102-server: ssh exited with exit code 1 1 678 0.01 MB/sec execute 40 sec latency 38198.365 ms Started lustre-MDT0000 07:21:11 (1787397671) targets are mounted 07:21:11 (1787397671) facet_failover done 1 711 0.01 MB/sec execute 41 sec latency 116.835 ms 1 743 0.01 MB/sec execute 42 sec latency 144.631 ms 1 780 0.01 MB/sec execute 43 sec latency 118.627 ms 1 808 0.01 MB/sec execute 44 sec latency 153.476 ms 1 851 0.01 MB/sec execute 45 sec latency 151.586 ms 1 884 0.02 MB/sec execute 46 sec latency 109.186 ms 1 884 0.01 MB/sec execute 47 sec latency 1102.766 ms oleg102-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 900 0.01 MB/sec execute 48 sec latency 1311.009 ms 1 921 0.02 MB/sec execute 49 sec latency 151.106 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 957 0.02 MB/sec execute 50 sec latency 140.558 ms 1 983 0.02 MB/sec execute 51 sec latency 137.778 ms 1 1037 0.04 MB/sec execute 52 sec latency 103.677 ms 1 1084 0.04 MB/sec execute 53 sec latency 89.590 ms 1 1134 0.04 MB/sec execute 54 sec latency 109.446 ms 1 1173 0.04 MB/sec execute 55 sec latency 155.781 ms 1 1223 0.04 MB/sec execute 56 sec latency 71.962 ms 1 1259 0.04 MB/sec execute 57 sec latency 128.471 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1379 0.09 MB/sec execute 58 sec latency 112.855 ms 1 1419 0.09 MB/sec execute 59 sec latency 93.557 ms 1 1467 0.08 MB/sec execute 60 sec latency 109.735 ms 1 1502 0.08 MB/sec execute 61 sec latency 390.551 ms 1 1555 0.08 MB/sec execute 62 sec latency 67.007 ms 1 1585 0.08 MB/sec execute 63 sec latency 80.905 ms 1 1632 0.08 MB/sec execute 64 sec latency 111.692 ms 1 1660 0.08 MB/sec execute 65 sec latency 216.174 ms 1 1696 0.08 MB/sec execute 66 sec latency 141.769 ms 1 1761 0.08 MB/sec execute 67 sec latency 93.921 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 07:21:38 EDT 2026 with return code 0 1 1813 0.08 MB/sec execute 68 sec latency 91.327 ms 67850 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67850 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished