== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:47:57 (1786567677) Starting client oleg131-client.virtnet: -o user_xattr,flock 192.168.201.131@tcp:/lustre /mnt/lustre Started clients oleg131-client.virtnet: 192.168.201.131@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 65661 Started dbench loop with 65662 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 1964 1269340 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 22024 3580792 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23588 7186248 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 12 16:48:02 EDT 2026 waiting for dbench pid 65729 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 12 0.00 MB/sec warmup 1 sec latency 20.922 ms 1 64 1.37 MB/sec warmup 2 sec latency 125.287 ms 1 111 1.74 MB/sec warmup 3 sec latency 139.498 ms 1 137 1.50 MB/sec warmup 4 sec latency 296.777 ms 1 164 1.36 MB/sec warmup 5 sec latency 208.113 ms 1 184 1.23 MB/sec warmup 6 sec latency 344.146 ms 1 215 1.19 MB/sec warmup 7 sec latency 460.417 ms 1 262 1.24 MB/sec warmup 8 sec latency 92.978 ms 1 305 1.24 MB/sec warmup 9 sec latency 99.184 ms test_26 fail mds1 1 times 1 339 1.22 MB/sec warmup 10 sec latency 186.145 ms 1 381 1.23 MB/sec warmup 11 sec latency 125.714 ms Failing mds1 on oleg131-server 1 412 1.21 MB/sec warmup 12 sec latency 190.577 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 438 1.18 MB/sec warmup 13 sec latency 264.310 ms 1 461 1.15 MB/sec warmup 14 sec latency 195.659 ms 1 468 1.09 MB/sec warmup 15 sec latency 769.746 ms 1 468 1.02 MB/sec warmup 16 sec latency 1770.306 ms 1 468 0.96 MB/sec warmup 17 sec latency 2773.660 ms 16:48:20 (1786567700) shut down facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 468 0.91 MB/sec warmup 18 sec latency 3777.799 ms 1 468 0.86 MB/sec warmup 19 sec latency 4778.660 ms 1 468 0.00 MB/sec execute 1 sec latency 6780.541 ms 1 468 0.00 MB/sec execute 2 sec latency 7780.887 ms 1 468 0.00 MB/sec execute 3 sec latency 8781.140 ms 1 468 0.00 MB/sec execute 4 sec latency 9781.943 ms 1 468 0.00 MB/sec execute 5 sec latency 10782.262 ms 1 468 0.00 MB/sec execute 6 sec latency 11782.740 ms 1 468 0.00 MB/sec execute 7 sec latency 12786.317 ms Failover mds1 to oleg131-server mount facets: mds1 1 468 0.00 MB/sec execute 8 sec latency 13786.947 ms 1 468 0.00 MB/sec execute 9 sec latency 14787.517 ms 1 468 0.00 MB/sec execute 10 sec latency 15788.465 ms 1 468 0.00 MB/sec execute 11 sec latency 16791.325 ms 1 468 0.00 MB/sec execute 12 sec latency 17791.573 ms 1 468 0.00 MB/sec execute 13 sec latency 18791.933 ms 1 468 0.00 MB/sec execute 14 sec latency 19793.334 ms 1 468 0.00 MB/sec execute 15 sec latency 20793.594 ms 1 468 0.00 MB/sec execute 16 sec latency 21798.565 ms 1 468 0.00 MB/sec execute 17 sec latency 22801.333 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 468 0.00 MB/sec execute 18 sec latency 23802.150 ms 1 468 0.00 MB/sec execute 19 sec latency 24803.439 ms 1 468 0.00 MB/sec execute 20 sec latency 25804.215 ms 1 468 0.00 MB/sec execute 21 sec latency 26804.621 ms 1 468 0.00 MB/sec execute 22 sec latency 27805.694 ms 1 468 0.00 MB/sec execute 23 sec latency 28811.623 ms 1 468 0.00 MB/sec execute 24 sec latency 29813.157 ms 1 468 0.00 MB/sec execute 25 sec latency 30813.818 ms 1 468 0.00 MB/sec execute 26 sec latency 31814.531 ms 1 468 0.00 MB/sec execute 27 sec latency 32816.288 ms 1 468 0.00 MB/sec execute 28 sec latency 33818.775 ms 1 468 0.00 MB/sec execute 29 sec latency 34818.982 ms 1 468 0.00 MB/sec execute 30 sec latency 35820.307 ms 1 468 0.00 MB/sec execute 31 sec latency 36828.547 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 468 0.00 MB/sec execute 32 sec latency 37828.820 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 468 0.00 MB/sec execute 33 sec latency 38835.881 ms 1 468 0.00 MB/sec execute 34 sec latency 39840.088 ms Started lustre-MDT0000 16:48:57 (1786567737) targets are mounted 16:48:57 (1786567737) facet_failover done 1 489 0.02 MB/sec execute 35 sec latency 39893.609 ms 1 513 0.04 MB/sec execute 36 sec latency 179.318 ms 1 552 0.07 MB/sec execute 37 sec latency 381.520 ms 1 639 0.12 MB/sec execute 38 sec latency 416.678 ms 1 666 0.12 MB/sec execute 39 sec latency 147.661 ms 1 689 0.12 MB/sec execute 40 sec latency 191.303 ms 1 718 0.12 MB/sec execute 41 sec latency 156.563 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 747 0.12 MB/sec execute 42 sec latency 138.096 ms 1 769 0.11 MB/sec execute 43 sec latency 188.684 ms 1 796 0.11 MB/sec execute 44 sec latency 188.980 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 821 0.11 MB/sec execute 45 sec latency 109.924 ms 1 863 0.11 MB/sec execute 46 sec latency 151.471 ms 1 892 0.11 MB/sec execute 47 sec latency 121.421 ms 1 916 0.11 MB/sec execute 48 sec latency 207.048 ms 1 955 0.11 MB/sec execute 49 sec latency 158.771 ms 1 1027 0.13 MB/sec execute 50 sec latency 102.341 ms 1 1086 0.13 MB/sec execute 51 sec latency 69.907 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11232 3591260 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 43292 3561988 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54524 7153248 1% /mnt/lustre 1 1130 0.13 MB/sec execute 52 sec latency 105.165 ms 1 1163 0.12 MB/sec execute 53 sec latency 138.168 ms 1 1172 0.12 MB/sec execute 54 sec latency 900.141 ms 1 1195 0.12 MB/sec execute 55 sec latency 1195.330 ms 1 1224 0.12 MB/sec execute 56 sec latency 133.030 ms 1 1246 0.12 MB/sec execute 57 sec latency 164.402 ms 1 1285 0.12 MB/sec execute 58 sec latency 341.841 ms 1 1379 0.16 MB/sec execute 59 sec latency 1043.648 ms 1 1406 0.16 MB/sec execute 60 sec latency 101.339 ms 1 1466 0.16 MB/sec execute 61 sec latency 123.303 ms 1 1515 0.16 MB/sec execute 62 sec latency 90.597 ms test_26 fail mds2 2 times 1 1565 0.15 MB/sec execute 63 sec latency 87.234 ms 1 1597 0.15 MB/sec execute 64 sec latency 131.769 ms Failing mds2 on oleg131-server 1 1646 0.15 MB/sec execute 65 sec latency 141.712 ms Stopping /mnt/lustre-mds2 (opts:) on oleg131-server 1 1686 0.15 MB/sec execute 66 sec latency 106.843 ms 1 1759 0.15 MB/sec execute 67 sec latency 151.578 ms 1 1845 0.15 MB/sec execute 68 sec latency 63.023 ms 1 1924 0.14 MB/sec execute 69 sec latency 105.908 ms 1 1996 0.14 MB/sec execute 70 sec latency 127.307 ms 1 2096 0.14 MB/sec execute 71 sec latency 60.921 ms 1 2160 0.14 MB/sec execute 72 sec latency 92.301 ms 1 2210 0.14 MB/sec execute 73 sec latency 102.071 ms 1 2259 0.14 MB/sec execute 74 sec latency 530.401 ms 16:49:37 (1786567777) shut down facet: mds2 facet_host: oleg131-server facet_failover_host: oleg131-server 1 2259 0.14 MB/sec execute 75 sec latency 1530.656 ms 1 2259 0.14 MB/sec execute 76 sec latency 2530.863 ms 1 2259 0.13 MB/sec execute 77 sec latency 3531.510 ms 1 2259 0.13 MB/sec execute 78 sec latency 4531.779 ms 1 2259 0.13 MB/sec execute 79 sec latency 5535.568 ms 1 2259 0.13 MB/sec execute 80 sec latency 6536.471 ms 1 2259 0.13 MB/sec execute 81 sec latency 7536.665 ms 1 2259 0.13 MB/sec execute 82 sec latency 8537.816 ms 1 2259 0.12 MB/sec execute 83 sec latency 9538.936 ms 1 2259 0.12 MB/sec execute 84 sec latency 10540.670 ms Failover mds2 to oleg131-server mount facets: mds2 1 2259 0.12 MB/sec execute 85 sec latency 11548.043 ms 1 2259 0.12 MB/sec execute 86 sec latency 12550.249 ms 1 2259 0.12 MB/sec execute 87 sec latency 13551.333 ms 1 2259 0.12 MB/sec execute 88 sec latency 14551.504 ms 1 2259 0.12 MB/sec execute 89 sec latency 15553.569 ms 1 2259 0.11 MB/sec execute 90 sec latency 16554.052 ms 1 2259 0.11 MB/sec execute 91 sec latency 17557.673 ms 1 2259 0.11 MB/sec execute 92 sec latency 18557.870 ms 1 2259 0.11 MB/sec execute 93 sec latency 19558.136 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 20558.727 ms 1 2259 0.11 MB/sec execute 95 sec latency 21558.997 ms 1 2259 0.11 MB/sec execute 96 sec latency 22559.295 ms 1 2259 0.11 MB/sec execute 97 sec latency 23560.505 ms 1 2259 0.11 MB/sec execute 98 sec latency 24560.973 ms 1 2259 0.10 MB/sec execute 99 sec latency 25561.291 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 16:50:04 (1786567804) targets are mounted 16:50:04 (1786567804) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 324 144.280 28157.936 Close 281 153.044 39893.577 Rename 11 119.161 170.453 Unlink 30 25.985 73.360 Qpathinfo 295 13.790 119.552 Qfileinfo 73 2.080 16.045 Qfsinfo 33 4.667 25.933 Sfileinfo 34 72.407 207.036 Find 92 10.325 56.649 WriteX 241 12.853 76.216 ReadX 348 3.427 127.846 Flush 30 65.683 158.755 Throughput 0.104474 MB/sec 1 clients 1 procs max_latency=39893.609 ms stopping dbench on /mnt/lustre at Wed Aug 12 16:50:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /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 Wed Aug 12 16:50:17 EDT 2026 waiting for dbench pid 67841 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 47 1.90 MB/sec warmup 1 sec latency 83.719 ms 1 111 2.62 MB/sec warmup 2 sec latency 91.772 ms 1 130 1.92 MB/sec warmup 3 sec latency 244.045 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2336 1268968 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2184 1269120 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2564 3604268 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44640 3560468 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47204 7164736 1% /mnt/lustre 1 169 1.72 MB/sec warmup 4 sec latency 175.449 ms 1 198 1.57 MB/sec warmup 5 sec latency 409.399 ms 1 232 1.48 MB/sec warmup 6 sec latency 132.379 ms 1 267 1.43 MB/sec warmup 7 sec latency 139.246 ms 1 300 1.37 MB/sec warmup 8 sec latency 160.447 ms 1 331 1.33 MB/sec warmup 9 sec latency 199.280 ms 1 353 1.26 MB/sec warmup 10 sec latency 475.664 ms 1 397 1.28 MB/sec warmup 11 sec latency 190.767 ms 1 445 1.30 MB/sec warmup 12 sec latency 136.818 ms test_26 fail mds1 3 times 1 490 1.31 MB/sec warmup 13 sec latency 150.966 ms 1 535 1.34 MB/sec warmup 14 sec latency 110.025 ms Failing mds1 on oleg131-server 1 611 1.40 MB/sec warmup 15 sec latency 155.289 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 671 1.32 MB/sec warmup 16 sec latency 107.687 ms 1 686 1.25 MB/sec warmup 17 sec latency 615.639 ms 1 686 1.18 MB/sec warmup 18 sec latency 1616.471 ms 1 686 1.11 MB/sec warmup 19 sec latency 2616.721 ms 16:50:36 (1786567836) shut down facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 686 0.00 MB/sec execute 1 sec latency 4617.081 ms 1 686 0.00 MB/sec execute 2 sec latency 5617.303 ms 1 686 0.00 MB/sec execute 3 sec latency 6620.081 ms 1 686 0.00 MB/sec execute 4 sec latency 7620.335 ms 1 686 0.00 MB/sec execute 5 sec latency 8620.660 ms 1 686 0.00 MB/sec execute 6 sec latency 9620.924 ms 1 686 0.00 MB/sec execute 7 sec latency 10621.204 ms 1 686 0.00 MB/sec execute 8 sec latency 11621.455 ms 1 686 0.00 MB/sec execute 9 sec latency 12621.743 ms Failover mds1 to oleg131-server 1 686 0.00 MB/sec execute 10 sec latency 13632.238 ms mount facets: mds1 1 686 0.00 MB/sec execute 11 sec latency 14634.200 ms 1 686 0.00 MB/sec execute 12 sec latency 15634.508 ms 1 686 0.00 MB/sec execute 13 sec latency 16634.682 ms 1 686 0.00 MB/sec execute 14 sec latency 17634.909 ms 1 686 0.00 MB/sec execute 15 sec latency 18635.751 ms 1 686 0.00 MB/sec execute 16 sec latency 19636.031 ms 1 686 0.00 MB/sec execute 17 sec latency 20647.268 ms 1 686 0.00 MB/sec execute 18 sec latency 21647.499 ms 1 686 0.00 MB/sec execute 19 sec latency 22649.718 ms 1 686 0.00 MB/sec execute 20 sec latency 23652.449 ms 1 686 0.00 MB/sec execute 21 sec latency 24653.311 ms 1 686 0.00 MB/sec execute 22 sec latency 25653.651 ms 1 686 0.00 MB/sec execute 23 sec latency 26663.928 ms 1 686 0.00 MB/sec execute 24 sec latency 27664.268 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 686 0.00 MB/sec execute 25 sec latency 28664.547 ms 1 686 0.00 MB/sec execute 26 sec latency 29664.863 ms 1 686 0.00 MB/sec execute 27 sec latency 30665.225 ms 1 686 0.00 MB/sec execute 28 sec latency 31665.428 ms 1 686 0.00 MB/sec execute 29 sec latency 32667.506 ms 1 686 0.00 MB/sec execute 30 sec latency 33668.796 ms 1 686 0.00 MB/sec execute 31 sec latency 34669.450 ms 1 686 0.00 MB/sec execute 32 sec latency 35670.178 ms 1 686 0.00 MB/sec execute 33 sec latency 36670.981 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 686 0.00 MB/sec execute 34 sec latency 37672.093 ms 1 686 0.00 MB/sec execute 35 sec latency 38673.073 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 695 0.00 MB/sec execute 36 sec latency 39254.126 ms Started lustre-MDT0000 16:51:14 (1786567874) targets are mounted 16:51:14 (1786567874) facet_failover done 1 718 0.00 MB/sec execute 37 sec latency 136.836 ms 1 721 0.00 MB/sec execute 38 sec latency 939.177 ms 1 742 0.00 MB/sec execute 39 sec latency 210.500 ms 1 780 0.00 MB/sec execute 40 sec latency 127.573 ms 1 803 0.01 MB/sec execute 41 sec latency 204.198 ms 1 825 0.01 MB/sec execute 42 sec latency 194.818 ms 1 869 0.01 MB/sec execute 43 sec latency 202.942 ms 1 892 0.01 MB/sec execute 44 sec latency 141.748 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 918 0.01 MB/sec execute 45 sec latency 140.331 ms 1 952 0.01 MB/sec execute 46 sec latency 150.863 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 981 0.02 MB/sec execute 47 sec latency 169.893 ms 1 1028 0.04 MB/sec execute 48 sec latency 100.284 ms 1 1074 0.04 MB/sec execute 49 sec latency 117.230 ms 1 1118 0.04 MB/sec execute 50 sec latency 119.230 ms 1 1147 0.04 MB/sec execute 51 sec latency 100.200 ms 1 1192 0.04 MB/sec execute 52 sec latency 112.966 ms 1 1224 0.04 MB/sec execute 53 sec latency 145.928 ms 1 1263 0.04 MB/sec execute 54 sec latency 113.467 ms 1 1319 0.05 MB/sec execute 55 sec latency 302.462 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1378 0.09 MB/sec execute 56 sec latency 1064.747 ms 1 1404 0.08 MB/sec execute 57 sec latency 202.972 ms 1 1433 0.08 MB/sec execute 58 sec latency 147.625 ms 1 1470 0.08 MB/sec execute 59 sec latency 124.575 ms 1 1509 0.08 MB/sec execute 60 sec latency 153.442 ms 1 1565 0.08 MB/sec execute 61 sec latency 78.729 ms 1 1605 0.08 MB/sec execute 62 sec latency 79.459 ms 1 1643 0.08 MB/sec execute 63 sec latency 182.369 ms 1 1680 0.08 MB/sec execute 64 sec latency 153.660 ms 1 1715 0.08 MB/sec execute 65 sec latency 170.582 ms 1 1772 0.08 MB/sec execute 66 sec latency 83.276 ms 1 1857 0.08 MB/sec execute 67 sec latency 81.419 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 12 16:51:44 EDT 2026 with return code 0 67841 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67841 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished