== replay-dual test 26: dbench and tar with mds failover ========================================================== 14:14:44 (1788804884) Starting client oleg201-client.virtnet: -o user_xattr,flock 192.168.202.101@tcp:/lustre /mnt/lustre Started clients oleg201-client.virtnet: 192.168.202.101@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 45177 Started dbench loop with 45178 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 2048 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3728384 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7488512 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 Mon Sep 7 14:14:49 EDT 2026 waiting for dbench pid 45235 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 40 1.44 MB/sec warmup 1 sec latency 195.921 ms 1 91 2.09 MB/sec warmup 2 sec latency 170.732 ms 1 133 1.94 MB/sec warmup 3 sec latency 136.554 ms 1 165 1.70 MB/sec warmup 4 sec latency 223.021 ms 1 200 1.57 MB/sec warmup 5 sec latency 125.075 ms test_26 fail mds1 1 times 1 245 1.55 MB/sec warmup 6 sec latency 120.998 ms 1 279 1.49 MB/sec warmup 7 sec latency 134.054 ms Failing mds1 on oleg201-server 1 301 1.38 MB/sec warmup 8 sec latency 209.292 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 339 1.36 MB/sec warmup 9 sec latency 140.120 ms 1 364 1.30 MB/sec warmup 10 sec latency 324.413 ms 1 364 1.18 MB/sec warmup 11 sec latency 1327.066 ms 1 364 1.09 MB/sec warmup 12 sec latency 2327.303 ms 14:15:02 (1788804902) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 364 1.00 MB/sec warmup 13 sec latency 3328.459 ms 1 364 0.93 MB/sec warmup 14 sec latency 4328.652 ms 1 364 0.87 MB/sec warmup 15 sec latency 5330.891 ms 1 364 0.81 MB/sec warmup 16 sec latency 6331.762 ms 1 364 0.77 MB/sec warmup 17 sec latency 7331.983 ms 1 364 0.72 MB/sec warmup 18 sec latency 8335.468 ms 1 364 0.69 MB/sec warmup 19 sec latency 9335.628 ms 1 364 0.00 MB/sec execute 1 sec latency 11339.461 ms 1 364 0.00 MB/sec execute 2 sec latency 12343.138 ms Failover mds1 to oleg201-server mount facets: mds1 1 364 0.00 MB/sec execute 3 sec latency 13343.296 ms 1 364 0.00 MB/sec execute 4 sec latency 14344.053 ms 1 364 0.00 MB/sec execute 5 sec latency 15345.995 ms 1 364 0.00 MB/sec execute 6 sec latency 16350.481 ms 1 364 0.00 MB/sec execute 7 sec latency 17351.254 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 364 0.00 MB/sec execute 8 sec latency 18352.307 ms 1 364 0.00 MB/sec execute 9 sec latency 19356.139 ms 1 364 0.00 MB/sec execute 10 sec latency 20357.646 ms 1 364 0.00 MB/sec execute 11 sec latency 21357.957 ms 1 364 0.00 MB/sec execute 12 sec latency 22358.201 ms 1 364 0.00 MB/sec execute 13 sec latency 23358.430 ms 1 364 0.00 MB/sec execute 14 sec latency 24358.761 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 364 0.00 MB/sec execute 15 sec latency 25359.253 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 1 364 0.00 MB/sec execute 16 sec latency 26360.883 ms Started lustre-MDT0000 14:15:26 (1788804926) targets are mounted 14:15:26 (1788804926) facet_failover done 1 364 0.00 MB/sec execute 17 sec latency 27361.088 ms 1 364 0.00 MB/sec execute 18 sec latency 28361.517 ms 1 364 0.00 MB/sec execute 19 sec latency 29361.728 ms 1 364 0.00 MB/sec execute 20 sec latency 30361.893 ms 1 364 0.00 MB/sec execute 21 sec latency 31362.137 ms 1 364 0.00 MB/sec execute 22 sec latency 32362.378 ms 1 364 0.00 MB/sec execute 23 sec latency 33362.567 ms 1 364 0.00 MB/sec execute 24 sec latency 34363.080 ms 1 364 0.00 MB/sec execute 25 sec latency 35363.555 ms 1 364 0.00 MB/sec execute 26 sec latency 36363.760 ms 1 364 0.00 MB/sec execute 27 sec latency 37364.002 ms 1 364 0.00 MB/sec execute 28 sec latency 38365.113 ms 1 364 0.00 MB/sec execute 29 sec latency 39365.426 ms 1 364 0.00 MB/sec execute 30 sec latency 40366.188 ms 1 364 0.00 MB/sec execute 31 sec latency 41367.901 ms 1 373 0.01 MB/sec execute 32 sec latency 41891.111 ms 1 414 0.05 MB/sec execute 33 sec latency 116.836 ms 1 451 0.08 MB/sec execute 34 sec latency 126.636 ms 1 493 0.12 MB/sec execute 35 sec latency 119.326 ms 1 518 0.13 MB/sec execute 36 sec latency 210.505 ms 1 603 0.21 MB/sec execute 37 sec latency 159.103 ms oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 655 0.21 MB/sec execute 38 sec latency 126.088 ms 1 673 0.21 MB/sec execute 39 sec latency 317.433 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 699 0.20 MB/sec execute 40 sec latency 178.431 ms 1 721 0.20 MB/sec execute 41 sec latency 159.236 ms 1 738 0.20 MB/sec execute 42 sec latency 352.674 ms 1 780 0.19 MB/sec execute 43 sec latency 116.055 ms 1 808 0.19 MB/sec execute 44 sec latency 155.689 ms 1 870 0.19 MB/sec execute 45 sec latency 105.094 ms 1 890 0.19 MB/sec execute 46 sec latency 250.925 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3714048 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3690496 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7404544 1% /mnt/lustre 1 914 0.19 MB/sec execute 47 sec latency 290.383 ms 1 948 0.18 MB/sec execute 48 sec latency 118.237 ms 1 974 0.18 MB/sec execute 49 sec latency 149.491 ms 1 990 0.18 MB/sec execute 50 sec latency 294.959 ms 1 1058 0.19 MB/sec execute 51 sec latency 114.262 ms 1 1114 0.19 MB/sec execute 52 sec latency 99.053 ms 1 1161 0.19 MB/sec execute 53 sec latency 103.871 ms test_26 fail mds1 2 times 1 1202 0.18 MB/sec execute 54 sec latency 79.642 ms Failing mds1 on oleg201-server 1 1242 0.18 MB/sec execute 55 sec latency 121.429 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 1277 0.18 MB/sec execute 56 sec latency 122.670 ms 1 1401 0.23 MB/sec execute 57 sec latency 106.630 ms 1 1403 0.22 MB/sec execute 58 sec latency 989.828 ms 1 1403 0.22 MB/sec execute 59 sec latency 1990.027 ms 14:16:09 (1788804969) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 1403 0.22 MB/sec execute 60 sec latency 2990.280 ms 1 1403 0.21 MB/sec execute 61 sec latency 3990.463 ms 1 1403 0.21 MB/sec execute 62 sec latency 4990.935 ms 1 1403 0.21 MB/sec execute 63 sec latency 5991.168 ms 1 1403 0.20 MB/sec execute 64 sec latency 6991.380 ms 1 1403 0.20 MB/sec execute 65 sec latency 7992.061 ms 1 1403 0.20 MB/sec execute 66 sec latency 8992.419 ms 1 1403 0.19 MB/sec execute 67 sec latency 9992.788 ms 1 1403 0.19 MB/sec execute 68 sec latency 10994.134 ms 1 1403 0.19 MB/sec execute 69 sec latency 11994.336 ms 1 1403 0.19 MB/sec execute 70 sec latency 12994.910 ms Failover mds1 to oleg201-server mount facets: mds1 1 1403 0.18 MB/sec execute 71 sec latency 13995.145 ms 1 1403 0.18 MB/sec execute 72 sec latency 14995.674 ms 1 1403 0.18 MB/sec execute 73 sec latency 15997.070 ms 1 1403 0.18 MB/sec execute 74 sec latency 16998.161 ms 1 1403 0.17 MB/sec execute 75 sec latency 17998.318 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1403 0.17 MB/sec execute 76 sec latency 18998.595 ms 1 1403 0.17 MB/sec execute 77 sec latency 20000.204 ms 1 1403 0.17 MB/sec execute 78 sec latency 21000.630 ms 1 1403 0.16 MB/sec execute 79 sec latency 22001.043 ms 1 1403 0.16 MB/sec execute 80 sec latency 23001.498 ms 1 1403 0.16 MB/sec execute 81 sec latency 24003.242 ms 1 1403 0.16 MB/sec execute 82 sec latency 25003.512 ms 1 1403 0.16 MB/sec execute 83 sec latency 26003.710 ms 1 1403 0.15 MB/sec execute 84 sec latency 27005.395 ms 1 1403 0.15 MB/sec execute 85 sec latency 28005.613 ms 1 1403 0.15 MB/sec execute 86 sec latency 29005.807 ms 1 1403 0.15 MB/sec execute 87 sec latency 30006.018 ms 1 1403 0.15 MB/sec execute 88 sec latency 31007.330 ms 1 1403 0.15 MB/sec execute 89 sec latency 32009.193 ms 1 1403 0.14 MB/sec execute 90 sec latency 33010.538 ms 1 1403 0.14 MB/sec execute 91 sec latency 34010.734 ms 1 1403 0.14 MB/sec execute 92 sec latency 35011.471 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 1403 0.14 MB/sec execute 93 sec latency 36012.363 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 1 1403 0.14 MB/sec execute 94 sec latency 37012.791 ms 1 1403 0.14 MB/sec execute 95 sec latency 38013.921 ms Started lustre-MDT0000 14:16:45 (1788805005) targets are mounted 14:16:45 (1788805005) facet_failover done 1 1403 0.13 MB/sec execute 96 sec latency 39022.455 ms 1 1403 0.13 MB/sec execute 97 sec latency 40022.608 ms 1 1403 0.13 MB/sec execute 98 sec latency 41022.840 ms 1 1403 0.13 MB/sec execute 99 sec latency 42028.909 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 146 365.006 42492.267 Close 129 338.506 41891.087 Rename 10 91.152 159.215 Unlink 17 29.052 60.476 Qpathinfo 99 20.101 106.607 Qfileinfo 53 1.908 9.494 Qfsinfo 33 5.753 55.034 Sfileinfo 34 56.527 117.888 Find 48 7.987 45.410 WriteX 241 12.911 79.576 ReadX 224 2.811 79.626 Flush 24 152.014 352.660 Throughput 0.130842 MB/sec 1 clients 1 procs max_latency=42028.909 ms stopping dbench on /mnt/lustre at Mon Sep 7 14:16:54 EDT 2026 with return code 0 oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Mon Sep 7 14:17:01 EDT 2026 waiting for dbench pid 47206 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 36 1.16 MB/sec warmup 1 sec latency 96.346 ms 1 104 2.40 MB/sec warmup 2 sec latency 111.474 ms 1 137 1.99 MB/sec warmup 3 sec latency 164.588 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3703808 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7438336 1% /mnt/lustre 1 158 1.63 MB/sec warmup 4 sec latency 216.830 ms 1 189 1.51 MB/sec warmup 5 sec latency 206.328 ms 1 217 1.39 MB/sec warmup 6 sec latency 185.232 ms 1 255 1.37 MB/sec warmup 7 sec latency 156.729 ms 1 289 1.33 MB/sec warmup 8 sec latency 155.917 ms 1 332 1.33 MB/sec warmup 9 sec latency 124.836 ms test_26 fail mds1 3 times 1 359 1.27 MB/sec warmup 10 sec latency 151.447 ms 1 397 1.28 MB/sec warmup 11 sec latency 128.972 ms Failing mds1 on oleg201-server 1 427 1.25 MB/sec warmup 12 sec latency 144.349 ms 1 455 1.22 MB/sec warmup 13 sec latency 148.997 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 494 1.22 MB/sec warmup 14 sec latency 132.987 ms 1 511 1.18 MB/sec warmup 15 sec latency 643.447 ms 1 511 1.10 MB/sec warmup 16 sec latency 1643.656 ms 1 511 1.04 MB/sec warmup 17 sec latency 2648.390 ms 1 511 0.98 MB/sec warmup 18 sec latency 3661.467 ms 14:17:19 (1788805039) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 511 0.93 MB/sec warmup 19 sec latency 4663.321 ms 1 511 0.00 MB/sec execute 1 sec latency 6663.703 ms 1 511 0.00 MB/sec execute 2 sec latency 7664.407 ms 1 511 0.00 MB/sec execute 3 sec latency 8664.645 ms 1 511 0.00 MB/sec execute 4 sec latency 9664.819 ms 1 511 0.00 MB/sec execute 5 sec latency 10665.041 ms 1 511 0.00 MB/sec execute 6 sec latency 11665.883 ms 1 511 0.00 MB/sec execute 7 sec latency 12666.159 ms 1 511 0.00 MB/sec execute 8 sec latency 13666.468 ms Failover mds1 to oleg201-server mount facets: mds1 1 511 0.00 MB/sec execute 9 sec latency 14670.099 ms 1 511 0.00 MB/sec execute 10 sec latency 15670.293 ms 1 511 0.00 MB/sec execute 11 sec latency 16670.526 ms 1 511 0.00 MB/sec execute 12 sec latency 17670.727 ms 1 511 0.00 MB/sec execute 13 sec latency 18673.155 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 511 0.00 MB/sec execute 14 sec latency 19673.643 ms 1 511 0.00 MB/sec execute 15 sec latency 20678.276 ms 1 511 0.00 MB/sec execute 16 sec latency 21680.301 ms 1 511 0.00 MB/sec execute 17 sec latency 22682.616 ms 1 511 0.00 MB/sec execute 18 sec latency 23683.815 ms 1 511 0.00 MB/sec execute 19 sec latency 24684.315 ms 1 511 0.00 MB/sec execute 20 sec latency 25684.530 ms 1 511 0.00 MB/sec execute 21 sec latency 26684.662 ms 1 511 0.00 MB/sec execute 22 sec latency 27685.164 ms 1 511 0.00 MB/sec execute 23 sec latency 28687.384 ms 1 511 0.00 MB/sec execute 24 sec latency 29687.827 ms 1 511 0.00 MB/sec execute 25 sec latency 30688.099 ms 1 511 0.00 MB/sec execute 26 sec latency 31699.896 ms 1 511 0.00 MB/sec execute 27 sec latency 32701.701 ms 1 511 0.00 MB/sec execute 28 sec latency 33704.259 ms 1 511 0.00 MB/sec execute 29 sec latency 34706.541 ms 1 511 0.00 MB/sec execute 30 sec latency 35706.730 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 511 0.00 MB/sec execute 31 sec latency 36707.159 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 1 511 0.00 MB/sec execute 32 sec latency 37708.031 ms Started lustre-MDT0000 14:17:53 (1788805073) targets are mounted 14:17:53 (1788805073) facet_failover done 1 511 0.00 MB/sec execute 33 sec latency 38709.542 ms 1 511 0.00 MB/sec execute 34 sec latency 39718.012 ms 1 511 0.00 MB/sec execute 35 sec latency 40720.564 ms 1 511 0.00 MB/sec execute 36 sec latency 41721.512 ms 1 511 0.00 MB/sec execute 37 sec latency 42722.271 ms 1 511 0.00 MB/sec execute 38 sec latency 43722.742 ms 1 552 0.04 MB/sec execute 39 sec latency 43827.189 ms 1 640 0.08 MB/sec execute 40 sec latency 235.316 ms 1 674 0.08 MB/sec execute 41 sec latency 257.804 ms 1 711 0.08 MB/sec execute 42 sec latency 112.506 ms oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 740 0.08 MB/sec execute 43 sec latency 142.907 ms 1 779 0.08 MB/sec execute 44 sec latency 109.062 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 796 0.08 MB/sec execute 45 sec latency 381.032 ms 1 815 0.08 MB/sec execute 46 sec latency 175.977 ms 1 873 0.08 MB/sec execute 47 sec latency 215.569 ms 1 902 0.08 MB/sec execute 48 sec latency 265.639 ms 1 935 0.08 MB/sec execute 49 sec latency 150.362 ms 1 983 0.08 MB/sec execute 50 sec latency 195.003 ms 1 1064 0.10 MB/sec execute 51 sec latency 96.293 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1131 0.10 MB/sec execute 52 sec latency 58.936 ms 1 1188 0.10 MB/sec execute 53 sec latency 86.295 ms 1 1229 0.10 MB/sec execute 54 sec latency 97.799 ms 1 1378 0.15 MB/sec execute 55 sec latency 116.441 ms 1 1420 0.15 MB/sec execute 56 sec latency 108.188 ms 1 1468 0.15 MB/sec execute 57 sec latency 97.943 ms 1 1502 0.14 MB/sec execute 58 sec latency 309.428 ms 1 1562 0.14 MB/sec execute 59 sec latency 79.010 ms tar: Error is not recoverable: exiting now 1 1607 0.14 MB/sec execute 60 sec latency 68.940 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 14:18:21 EDT 2026 with return code 0 47206 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47206 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished