== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:51:09 (1786801869) Starting client oleg215-client.virtnet: -o user_xattr,flock 192.168.202.115@tcp:/lustre /mnt/lustre Started clients oleg215-client.virtnet: 192.168.202.115@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 44940 Started dbench loop with 44941 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7499776 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 15 09:51:17 EDT 2026 waiting for dbench pid 45009 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 14 0.00 MB/sec warmup 1 sec latency 5.047 ms 1 58 1.18 MB/sec warmup 2 sec latency 213.434 ms 1 108 1.70 MB/sec warmup 3 sec latency 157.873 ms 1 136 1.50 MB/sec warmup 4 sec latency 277.249 ms 1 172 1.41 MB/sec warmup 5 sec latency 139.819 ms test_26 fail mds1 1 times 1 197 1.31 MB/sec warmup 6 sec latency 249.263 ms 1 215 1.19 MB/sec warmup 7 sec latency 214.420 ms Failing mds1 on oleg215-server 1 239 1.14 MB/sec warmup 8 sec latency 178.385 ms 1 272 1.13 MB/sec warmup 9 sec latency 193.892 ms Stopping /mnt/lustre-mds1 (opts:) on oleg215-server 1 306 1.12 MB/sec warmup 10 sec latency 118.133 ms 1 313 1.04 MB/sec warmup 11 sec latency 883.423 ms 1 313 0.96 MB/sec warmup 12 sec latency 1883.741 ms 1 313 0.88 MB/sec warmup 13 sec latency 2886.698 ms 09:51:30 (1786801890) shut down facet: mds1 facet_host: oleg215-server facet_failover_host: oleg215-server 1 313 0.82 MB/sec warmup 14 sec latency 3887.460 ms 1 313 0.76 MB/sec warmup 15 sec latency 4887.922 ms 1 313 0.72 MB/sec warmup 16 sec latency 5894.351 ms 1 313 0.67 MB/sec warmup 17 sec latency 6895.014 ms 1 313 0.64 MB/sec warmup 18 sec latency 7895.305 ms 1 313 0.60 MB/sec warmup 19 sec latency 8895.467 ms 1 313 0.00 MB/sec execute 1 sec latency 10896.003 ms 1 313 0.00 MB/sec execute 2 sec latency 11896.374 ms 1 313 0.00 MB/sec execute 3 sec latency 12897.288 ms Failover mds1 to oleg215-server mount facets: mds1 1 313 0.00 MB/sec execute 4 sec latency 13900.673 ms 1 313 0.00 MB/sec execute 5 sec latency 14900.990 ms 1 313 0.00 MB/sec execute 6 sec latency 15903.230 ms 1 313 0.00 MB/sec execute 7 sec latency 16903.760 ms 1 313 0.00 MB/sec execute 8 sec latency 17904.166 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 313 0.00 MB/sec execute 9 sec latency 18907.685 ms 1 313 0.00 MB/sec execute 10 sec latency 19913.835 ms 1 313 0.00 MB/sec execute 11 sec latency 20917.683 ms 1 313 0.00 MB/sec execute 12 sec latency 21918.062 ms 1 313 0.00 MB/sec execute 13 sec latency 22918.289 ms 1 313 0.00 MB/sec execute 14 sec latency 23918.588 ms 1 313 0.00 MB/sec execute 15 sec latency 24922.229 ms oleg215-server: oleg215-server.virtnet: executing set_default_debug -1 all 1 313 0.00 MB/sec execute 16 sec latency 25922.488 ms pdsh@oleg215-client: oleg215-server: ssh exited with exit code 1 1 313 0.00 MB/sec execute 17 sec latency 26923.579 ms Started lustre-MDT0000 09:51:54 (1786801914) targets are mounted 09:51:54 (1786801914) facet_failover done 1 313 0.00 MB/sec execute 18 sec latency 27926.227 ms 1 313 0.00 MB/sec execute 19 sec latency 28931.001 ms 1 313 0.00 MB/sec execute 20 sec latency 29932.325 ms 1 313 0.00 MB/sec execute 21 sec latency 30933.646 ms 1 313 0.00 MB/sec execute 22 sec latency 31950.774 ms 1 313 0.00 MB/sec execute 23 sec latency 32950.978 ms 1 313 0.00 MB/sec execute 24 sec latency 33951.356 ms 1 313 0.00 MB/sec execute 25 sec latency 34951.691 ms 1 313 0.00 MB/sec execute 26 sec latency 35951.935 ms 1 313 0.00 MB/sec execute 27 sec latency 36952.228 ms 1 313 0.00 MB/sec execute 28 sec latency 37953.435 ms 1 313 0.00 MB/sec execute 29 sec latency 38957.318 ms 1 313 0.00 MB/sec execute 30 sec latency 39961.423 ms 1 313 0.00 MB/sec execute 31 sec latency 40961.577 ms 1 314 0.00 MB/sec execute 32 sec latency 41947.540 ms 1 349 0.03 MB/sec execute 33 sec latency 156.477 ms 1 380 0.06 MB/sec execute 34 sec latency 169.145 ms 1 413 0.09 MB/sec execute 35 sec latency 153.381 ms 1 439 0.11 MB/sec execute 36 sec latency 139.688 ms 1 462 0.13 MB/sec execute 37 sec latency 205.052 ms 1 493 0.15 MB/sec execute 38 sec latency 168.075 ms oleg215-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 520 0.17 MB/sec execute 39 sec latency 177.445 ms 1 572 0.19 MB/sec execute 40 sec latency 214.955 ms 1 616 0.23 MB/sec execute 41 sec latency 111.117 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 654 0.23 MB/sec execute 42 sec latency 153.349 ms 1 671 0.22 MB/sec execute 43 sec latency 316.744 ms 1 691 0.22 MB/sec execute 44 sec latency 177.046 ms 1 712 0.22 MB/sec execute 45 sec latency 157.124 ms 1 731 0.21 MB/sec execute 46 sec latency 300.531 ms 1 758 0.21 MB/sec execute 47 sec latency 193.313 ms 1 789 0.21 MB/sec execute 48 sec latency 101.367 ms 1 801 0.20 MB/sec execute 49 sec latency 310.153 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 33792 3703808 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3686400 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7390208 1% /mnt/lustre 1 847 0.20 MB/sec execute 50 sec latency 142.361 ms 1 873 0.20 MB/sec execute 51 sec latency 304.653 ms 1 888 0.20 MB/sec execute 52 sec latency 327.030 ms 1 914 0.19 MB/sec execute 53 sec latency 136.147 ms 1 934 0.19 MB/sec execute 54 sec latency 172.862 ms 1 966 0.19 MB/sec execute 55 sec latency 207.311 ms 1 985 0.19 MB/sec execute 56 sec latency 250.468 ms test_26 fail mds1 2 times 1 1037 0.20 MB/sec execute 57 sec latency 108.445 ms 1 1064 0.20 MB/sec execute 58 sec latency 133.866 ms 1 1099 0.19 MB/sec execute 59 sec latency 142.102 ms Failing mds1 on oleg215-server 1 1127 0.19 MB/sec execute 60 sec latency 133.334 ms 1 1154 0.19 MB/sec execute 61 sec latency 175.754 ms Stopping /mnt/lustre-mds1 (opts:) on oleg215-server 1 1180 0.19 MB/sec execute 62 sec latency 134.568 ms 1 1193 0.18 MB/sec execute 63 sec latency 598.869 ms 1 1193 0.18 MB/sec execute 64 sec latency 1599.304 ms 1 1193 0.18 MB/sec execute 65 sec latency 2599.642 ms 1 1193 0.17 MB/sec execute 66 sec latency 3599.941 ms 09:52:43 (1786801963) shut down facet: mds1 facet_host: oleg215-server facet_failover_host: oleg215-server 1 1193 0.17 MB/sec execute 67 sec latency 4606.267 ms 1 1193 0.17 MB/sec execute 68 sec latency 5606.541 ms 1 1193 0.17 MB/sec execute 69 sec latency 6607.050 ms 1 1193 0.16 MB/sec execute 70 sec latency 7607.316 ms 1 1193 0.16 MB/sec execute 71 sec latency 8607.571 ms 1 1193 0.16 MB/sec execute 72 sec latency 9609.602 ms 1 1193 0.16 MB/sec execute 73 sec latency 10609.987 ms 1 1193 0.16 MB/sec execute 74 sec latency 11612.081 ms 1 1193 0.15 MB/sec execute 75 sec latency 12613.573 ms 1 1193 0.15 MB/sec execute 76 sec latency 13615.642 ms Failover mds1 to oleg215-server mount facets: mds1 1 1193 0.15 MB/sec execute 77 sec latency 14616.175 ms 1 1193 0.15 MB/sec execute 78 sec latency 15617.020 ms 1 1193 0.15 MB/sec execute 79 sec latency 16617.386 ms 1 1193 0.14 MB/sec execute 80 sec latency 17617.661 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1193 0.14 MB/sec execute 81 sec latency 18617.825 ms 1 1193 0.14 MB/sec execute 82 sec latency 19618.016 ms 1 1193 0.14 MB/sec execute 83 sec latency 20618.264 ms 1 1193 0.14 MB/sec execute 84 sec latency 21621.954 ms 1 1193 0.14 MB/sec execute 85 sec latency 22622.235 ms 1 1193 0.13 MB/sec execute 86 sec latency 23624.243 ms 1 1193 0.13 MB/sec execute 87 sec latency 24624.458 ms 1 1193 0.13 MB/sec execute 88 sec latency 25625.622 ms 1 1193 0.13 MB/sec execute 89 sec latency 26626.011 ms 1 1193 0.13 MB/sec execute 90 sec latency 27627.911 ms 1 1193 0.13 MB/sec execute 91 sec latency 28628.510 ms 1 1193 0.13 MB/sec execute 92 sec latency 29628.814 ms 1 1193 0.12 MB/sec execute 93 sec latency 30629.048 ms 1 1193 0.12 MB/sec execute 94 sec latency 31629.295 ms 1 1193 0.12 MB/sec execute 95 sec latency 32629.541 ms 1 1193 0.12 MB/sec execute 96 sec latency 33629.834 ms 1 1193 0.12 MB/sec execute 97 sec latency 34630.037 ms oleg215-server: oleg215-server.virtnet: executing set_default_debug -1 all 1 1193 0.12 MB/sec execute 98 sec latency 35630.244 ms pdsh@oleg215-client: oleg215-server: ssh exited with exit code 1 1 1193 0.12 MB/sec execute 99 sec latency 36632.046 ms Started lustre-MDT0000 09:53:17 (1786801997) targets are mounted 1 cleanup 100 sec 09:53:17 (1786801997) 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 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 125 432.793 41947.524 Close 114 17.219 54.888 Rename 7 115.429 158.857 Unlink 13 39.876 64.938 Qpathinfo 70 30.718 96.552 Qfileinfo 54 2.940 22.541 Qfsinfo 28 6.611 32.425 Sfileinfo 27 1575.558 40344.886 Find 36 11.777 111.100 WriteX 260 18.478 87.474 ReadX 123 7.359 119.581 Flush 24 175.556 327.012 Throughput 0.116518 MB/sec 1 clients 1 procs max_latency=41947.540 ms stopping dbench on /mnt/lustre at Sat Aug 15 09:53:24 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg215-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 Sat Aug 15 09:53:32 EDT 2026 waiting for dbench pid 46941 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 31 1.05 MB/sec warmup 1 sec latency 48.812 ms 1 91 2.09 MB/sec warmup 2 sec latency 157.272 ms 1 135 1.97 MB/sec warmup 3 sec latency 174.204 ms 1 158 1.63 MB/sec warmup 4 sec latency 203.605 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3693568 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 17408 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7445504 1% /mnt/lustre 1 184 1.46 MB/sec warmup 5 sec latency 270.089 ms 1 208 1.34 MB/sec warmup 6 sec latency 197.910 ms 1 247 1.34 MB/sec warmup 7 sec latency 122.548 ms 1 275 1.28 MB/sec warmup 8 sec latency 162.497 ms 1 305 1.24 MB/sec warmup 9 sec latency 160.277 ms 1 339 1.22 MB/sec warmup 10 sec latency 133.414 ms 1 377 1.21 MB/sec warmup 11 sec latency 109.877 ms test_26 fail mds1 3 times 1 411 1.21 MB/sec warmup 12 sec latency 175.402 ms 1 445 1.20 MB/sec warmup 13 sec latency 129.443 ms Failing mds1 on oleg215-server 1 474 1.18 MB/sec warmup 14 sec latency 194.147 ms 1 503 1.16 MB/sec warmup 15 sec latency 176.603 ms Stopping /mnt/lustre-mds1 (opts:) on oleg215-server 1 531 1.15 MB/sec warmup 16 sec latency 179.871 ms 1 542 1.12 MB/sec warmup 17 sec latency 844.738 ms 1 542 1.06 MB/sec warmup 18 sec latency 1845.495 ms 1 542 1.00 MB/sec warmup 19 sec latency 2855.529 ms 09:53:51 (1786802031) shut down facet: mds1 facet_host: oleg215-server facet_failover_host: oleg215-server 1 542 0.00 MB/sec execute 1 sec latency 4857.585 ms 1 542 0.00 MB/sec execute 2 sec latency 5857.919 ms 1 542 0.00 MB/sec execute 3 sec latency 6858.401 ms 1 542 0.00 MB/sec execute 4 sec latency 7859.936 ms 1 542 0.00 MB/sec execute 5 sec latency 8860.290 ms 1 542 0.00 MB/sec execute 6 sec latency 9860.584 ms 1 542 0.00 MB/sec execute 7 sec latency 10860.936 ms 1 542 0.00 MB/sec execute 8 sec latency 11861.388 ms 1 542 0.00 MB/sec execute 9 sec latency 12862.260 ms Failover mds1 to oleg215-server 1 542 0.00 MB/sec execute 10 sec latency 13862.964 ms mount facets: mds1 1 542 0.00 MB/sec execute 11 sec latency 14869.229 ms 1 542 0.00 MB/sec execute 12 sec latency 15869.814 ms 1 542 0.00 MB/sec execute 13 sec latency 16872.544 ms 1 542 0.00 MB/sec execute 14 sec latency 17872.931 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 542 0.00 MB/sec execute 15 sec latency 18874.205 ms 1 542 0.00 MB/sec execute 16 sec latency 19875.232 ms 1 542 0.00 MB/sec execute 17 sec latency 20875.659 ms 1 542 0.00 MB/sec execute 18 sec latency 21877.009 ms 1 542 0.00 MB/sec execute 19 sec latency 22877.472 ms 1 542 0.00 MB/sec execute 20 sec latency 23877.693 ms 1 542 0.00 MB/sec execute 21 sec latency 24877.927 ms 1 542 0.00 MB/sec execute 22 sec latency 25880.305 ms 1 542 0.00 MB/sec execute 23 sec latency 26881.170 ms 1 542 0.00 MB/sec execute 24 sec latency 27881.487 ms 1 542 0.00 MB/sec execute 25 sec latency 28883.021 ms 1 542 0.00 MB/sec execute 26 sec latency 29885.824 ms 1 542 0.00 MB/sec execute 27 sec latency 30886.459 ms 1 542 0.00 MB/sec execute 28 sec latency 31886.777 ms 1 542 0.00 MB/sec execute 29 sec latency 32887.315 ms 1 542 0.00 MB/sec execute 30 sec latency 33887.586 ms oleg215-server: oleg215-server.virtnet: executing set_default_debug -1 all 1 542 0.00 MB/sec execute 31 sec latency 34892.654 ms pdsh@oleg215-client: oleg215-server: ssh exited with exit code 1 1 542 0.00 MB/sec execute 32 sec latency 35895.135 ms 1 542 0.00 MB/sec execute 33 sec latency 36895.498 ms Started lustre-MDT0000 09:54:25 (1786802065) targets are mounted 09:54:25 (1786802065) facet_failover done 1 542 0.00 MB/sec execute 34 sec latency 37895.820 ms 1 542 0.00 MB/sec execute 35 sec latency 38899.824 ms 1 542 0.00 MB/sec execute 36 sec latency 39900.162 ms 1 542 0.00 MB/sec execute 37 sec latency 40900.568 ms 1 542 0.00 MB/sec execute 38 sec latency 41901.053 ms 1 542 0.00 MB/sec execute 39 sec latency 42901.476 ms 1 594 0.04 MB/sec execute 40 sec latency 43288.399 ms 1 642 0.05 MB/sec execute 41 sec latency 105.382 ms 1 666 0.05 MB/sec execute 42 sec latency 350.216 ms 1 678 0.05 MB/sec execute 43 sec latency 215.632 ms 1 711 0.05 MB/sec execute 44 sec latency 152.999 ms oleg215-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 729 0.05 MB/sec execute 45 sec latency 314.091 ms 1 762 0.05 MB/sec execute 46 sec latency 141.094 ms 1 785 0.05 MB/sec execute 47 sec latency 159.045 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 803 0.05 MB/sec execute 48 sec latency 275.532 ms 1 845 0.05 MB/sec execute 49 sec latency 164.977 ms 1 873 0.05 MB/sec execute 50 sec latency 140.059 ms 1 885 0.05 MB/sec execute 51 sec latency 355.881 ms 1 902 0.05 MB/sec execute 52 sec latency 160.407 ms 1 916 0.05 MB/sec execute 53 sec latency 316.941 ms 1 939 0.05 MB/sec execute 54 sec latency 247.090 ms 1 969 0.05 MB/sec execute 55 sec latency 124.849 ms 1 985 0.05 MB/sec execute 56 sec latency 291.189 ms 1 1005 0.05 MB/sec execute 57 sec latency 253.289 ms 1 1074 0.07 MB/sec execute 58 sec latency 104.371 ms 1 1119 0.07 MB/sec execute 59 sec latency 124.406 ms 1 1147 0.06 MB/sec execute 60 sec latency 118.786 ms 1 1185 0.06 MB/sec execute 61 sec latency 206.455 ms 1 1229 0.06 MB/sec execute 62 sec latency 107.865 ms 1 1259 0.06 MB/sec execute 63 sec latency 122.062 ms 1 1387 0.11 MB/sec execute 64 sec latency 109.684 ms 1 1419 0.11 MB/sec execute 65 sec latency 134.581 ms dbench killed by signal 15 1 1451 0.10 MB/sec execute 66 sec latency 132.976 ms stopping dbench on /mnt/lustre at Sat Aug 15 09:54:58 EDT 2026 with return code 0 46941 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46941 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished