== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:17:09 (1788531429) Starting client oleg256-client.virtnet: -o user_xattr,flock 192.168.202.156@tcp:/lustre /mnt/lustre Started clients oleg256-client.virtnet: 192.168.202.156@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 45316 Started dbench loop with 45318 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 2048 3741696 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7501824 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 Fri Sep 4 10:17:18 EDT 2026 waiting for dbench pid 45395 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 24 0.66 MB/sec warmup 1 sec latency 86.525 ms 1 71 1.57 MB/sec warmup 2 sec latency 124.569 ms 1 114 1.75 MB/sec warmup 3 sec latency 159.662 ms 1 150 1.57 MB/sec warmup 4 sec latency 155.415 ms test_26 fail mds1 1 times 1 171 1.40 MB/sec warmup 5 sec latency 216.610 ms 1 192 1.26 MB/sec warmup 6 sec latency 180.928 ms Failing mds1 on oleg256-server 1 223 1.23 MB/sec warmup 7 sec latency 157.836 ms Stopping /mnt/lustre-mds1 (opts:) on oleg256-server 1 248 1.17 MB/sec warmup 8 sec latency 150.503 ms 1 278 1.16 MB/sec warmup 9 sec latency 166.894 ms 1 278 1.04 MB/sec warmup 10 sec latency 1071.105 ms 1 278 0.95 MB/sec warmup 11 sec latency 2071.644 ms 10:17:29 (1788531449) shut down facet: mds1 facet_host: oleg256-server facet_failover_host: oleg256-server 1 278 0.87 MB/sec warmup 12 sec latency 3072.484 ms 1 278 0.80 MB/sec warmup 13 sec latency 4072.660 ms 1 278 0.75 MB/sec warmup 14 sec latency 5073.054 ms 1 278 0.70 MB/sec warmup 15 sec latency 6073.395 ms 1 278 0.65 MB/sec warmup 16 sec latency 7079.456 ms 1 278 0.61 MB/sec warmup 17 sec latency 8079.679 ms 1 278 0.58 MB/sec warmup 18 sec latency 9080.448 ms 1 278 0.55 MB/sec warmup 19 sec latency 10080.769 ms 1 278 0.00 MB/sec execute 1 sec latency 12081.841 ms 1 278 0.00 MB/sec execute 2 sec latency 13082.693 ms Failover mds1 to oleg256-server mount facets: mds1 1 278 0.00 MB/sec execute 3 sec latency 14083.504 ms 1 278 0.00 MB/sec execute 4 sec latency 15083.804 ms 1 278 0.00 MB/sec execute 5 sec latency 16084.114 ms 1 278 0.00 MB/sec execute 6 sec latency 17087.551 ms 1 278 0.00 MB/sec execute 7 sec latency 18087.768 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 278 0.00 MB/sec execute 8 sec latency 19094.801 ms 1 278 0.00 MB/sec execute 9 sec latency 20095.184 ms 1 278 0.00 MB/sec execute 10 sec latency 21096.592 ms 1 278 0.00 MB/sec execute 11 sec latency 22096.912 ms 1 278 0.00 MB/sec execute 12 sec latency 23097.119 ms 1 278 0.00 MB/sec execute 13 sec latency 24098.652 ms 1 278 0.00 MB/sec execute 14 sec latency 25098.895 ms 1 278 0.00 MB/sec execute 15 sec latency 26099.732 ms 1 278 0.00 MB/sec execute 16 sec latency 27100.705 ms oleg256-server: oleg256-server.virtnet: executing set_default_debug -1 all 1 278 0.00 MB/sec execute 17 sec latency 28101.060 ms pdsh@oleg256-client: oleg256-server: ssh exited with exit code 1 1 278 0.00 MB/sec execute 18 sec latency 29109.029 ms 1 278 0.00 MB/sec execute 19 sec latency 30110.505 ms Started lustre-MDT0000 10:17:57 (1788531477) targets are mounted 10:17:57 (1788531477) facet_failover done 1 278 0.00 MB/sec execute 20 sec latency 31112.288 ms 1 278 0.00 MB/sec execute 21 sec latency 32113.153 ms 1 278 0.00 MB/sec execute 22 sec latency 33113.374 ms 1 278 0.00 MB/sec execute 23 sec latency 34113.864 ms 1 278 0.00 MB/sec execute 24 sec latency 35115.433 ms 1 278 0.00 MB/sec execute 25 sec latency 36115.668 ms 1 278 0.00 MB/sec execute 26 sec latency 37115.873 ms 1 278 0.00 MB/sec execute 27 sec latency 38116.041 ms 1 278 0.00 MB/sec execute 28 sec latency 39116.321 ms 1 278 0.00 MB/sec execute 29 sec latency 40119.184 ms 1 279 0.00 MB/sec execute 30 sec latency 40671.378 ms 1 297 0.02 MB/sec execute 31 sec latency 595.465 ms 1 330 0.05 MB/sec execute 32 sec latency 311.187 ms 1 363 0.08 MB/sec execute 33 sec latency 174.003 ms 1 397 0.11 MB/sec execute 34 sec latency 191.336 ms 1 421 0.13 MB/sec execute 35 sec latency 268.871 ms 1 450 0.15 MB/sec execute 36 sec latency 149.591 ms 1 472 0.16 MB/sec execute 37 sec latency 186.494 ms oleg256-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 504 0.18 MB/sec execute 38 sec latency 125.483 ms 1 538 0.22 MB/sec execute 39 sec latency 175.439 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 612 0.26 MB/sec execute 40 sec latency 134.838 ms 1 664 0.26 MB/sec execute 41 sec latency 106.639 ms 1 692 0.26 MB/sec execute 42 sec latency 230.369 ms 1 721 0.25 MB/sec execute 43 sec latency 239.620 ms 1 748 0.25 MB/sec execute 44 sec latency 299.167 ms 1 789 0.24 MB/sec execute 45 sec latency 132.821 ms UUID 1K-blocks Used Available Use% Mounted on 1 803 0.24 MB/sec execute 46 sec latency 357.204 ms lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3676160 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 33792 3712000 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7388160 1% /mnt/lustre 1 827 0.23 MB/sec execute 47 sec latency 121.345 ms 1 874 0.23 MB/sec execute 48 sec latency 241.704 ms 1 902 0.23 MB/sec execute 49 sec latency 179.363 ms 1 918 0.23 MB/sec execute 50 sec latency 256.910 ms 1 957 0.22 MB/sec execute 51 sec latency 117.058 ms 1 988 0.22 MB/sec execute 52 sec latency 209.656 ms test_26 fail mds1 2 times 1 1057 0.23 MB/sec execute 53 sec latency 95.119 ms 1 1091 0.23 MB/sec execute 54 sec latency 143.388 ms Failing mds1 on oleg256-server 1 1138 0.23 MB/sec execute 55 sec latency 82.907 ms Stopping /mnt/lustre-mds1 (opts:) on oleg256-server 1 1190 0.22 MB/sec execute 56 sec latency 159.343 ms 1 1190 0.22 MB/sec execute 57 sec latency 1162.440 ms 1 1190 0.22 MB/sec execute 58 sec latency 2164.944 ms 1 1190 0.21 MB/sec execute 59 sec latency 3165.803 ms 1 1190 0.21 MB/sec execute 60 sec latency 4167.486 ms 1 1190 0.21 MB/sec execute 61 sec latency 5167.756 ms 1 1190 0.20 MB/sec execute 62 sec latency 6167.998 ms 1 1190 0.20 MB/sec execute 63 sec latency 7168.976 ms 1 1190 0.20 MB/sec execute 64 sec latency 8169.284 ms 10:18:43 (1788531523) shut down 1 1190 0.19 MB/sec execute 65 sec latency 9169.810 ms facet: mds1 facet_host: oleg256-server facet_failover_host: oleg256-server 1 1190 0.19 MB/sec execute 66 sec latency 10169.980 ms 1 1190 0.19 MB/sec execute 67 sec latency 11170.913 ms 1 1190 0.18 MB/sec execute 68 sec latency 12171.921 ms 1 1190 0.18 MB/sec execute 69 sec latency 13174.928 ms 1 1190 0.18 MB/sec execute 70 sec latency 14175.128 ms 1 1190 0.18 MB/sec execute 71 sec latency 15176.581 ms 1 1190 0.17 MB/sec execute 72 sec latency 16176.823 ms 1 1190 0.17 MB/sec execute 73 sec latency 17177.539 ms 1 1190 0.17 MB/sec execute 74 sec latency 18187.001 ms 1 1190 0.17 MB/sec execute 75 sec latency 19190.951 ms Failover mds1 to oleg256-server mount facets: mds1 1 1190 0.17 MB/sec execute 76 sec latency 20191.696 ms 1 1190 0.16 MB/sec execute 77 sec latency 21192.254 ms 1 1190 0.16 MB/sec execute 78 sec latency 22192.563 ms 1 1190 0.16 MB/sec execute 79 sec latency 23192.797 ms 1 1190 0.16 MB/sec execute 80 sec latency 24194.781 ms 1 1190 0.16 MB/sec execute 81 sec latency 25201.932 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1190 0.15 MB/sec execute 82 sec latency 26204.468 ms 1 1190 0.15 MB/sec execute 83 sec latency 27204.685 ms 1 1190 0.15 MB/sec execute 84 sec latency 28214.161 ms 1 1190 0.15 MB/sec execute 85 sec latency 29214.588 ms 1 1190 0.15 MB/sec execute 86 sec latency 30214.967 ms 1 1190 0.14 MB/sec execute 87 sec latency 31215.394 ms 1 1190 0.14 MB/sec execute 88 sec latency 32215.592 ms oleg256-server: oleg256-server.virtnet: executing set_default_debug -1 all 1 1190 0.14 MB/sec execute 89 sec latency 33215.787 ms pdsh@oleg256-client: oleg256-server: ssh exited with exit code 1 1 1190 0.14 MB/sec execute 90 sec latency 34215.987 ms Started lustre-MDT0000 10:19:08 (1788531548) targets are mounted 10:19:08 (1788531548) facet_failover done 1 1190 0.14 MB/sec execute 91 sec latency 35216.358 ms 1 1190 0.14 MB/sec execute 92 sec latency 36217.076 ms 1 1190 0.14 MB/sec execute 93 sec latency 37217.274 ms 1 1190 0.13 MB/sec execute 94 sec latency 38218.140 ms 1 1190 0.13 MB/sec execute 95 sec latency 39218.718 ms 1 1190 0.13 MB/sec execute 96 sec latency 40218.924 ms 1 1190 0.13 MB/sec execute 97 sec latency 41219.433 ms 1 1190 0.13 MB/sec execute 98 sec latency 42219.686 ms 1 1190 0.13 MB/sec execute 99 sec latency 43220.798 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 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 0 cleanup 114 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 130 504.207 54216.216 Close 120 353.108 40671.354 Rename 7 81.826 114.554 Unlink 13 28.710 42.110 Qpathinfo 70 23.495 95.098 Qfileinfo 58 2.092 8.491 Qfsinfo 28 4.279 20.798 Sfileinfo 25 64.614 143.372 Find 36 8.855 80.766 WriteX 280 16.381 186.476 ReadX 122 5.240 82.893 Flush 24 136.431 357.188 Throughput 0.127046 MB/sec 1 clients 1 procs max_latency=43220.798 ms stopping dbench on /mnt/lustre at Fri Sep 4 10:19:32 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg256-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Sep 4 10:19:39 EDT 2026 waiting for dbench pid 47342 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 31.407 ms 1 111 2.62 MB/sec warmup 2 sec latency 130.486 ms 1 155 2.18 MB/sec warmup 3 sec latency 124.299 ms 1 190 1.89 MB/sec warmup 4 sec latency 137.929 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3682304 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7412736 1% /mnt/lustre 1 222 1.72 MB/sec warmup 5 sec latency 171.842 ms 1 263 1.65 MB/sec warmup 6 sec latency 100.596 ms 1 310 1.62 MB/sec warmup 7 sec latency 115.788 ms 1 350 1.56 MB/sec warmup 8 sec latency 134.081 ms 1 404 1.59 MB/sec warmup 9 sec latency 85.950 ms test_26 fail mds1 3 times 1 445 1.56 MB/sec warmup 10 sec latency 109.133 ms 1 485 1.54 MB/sec warmup 11 sec latency 114.214 ms Failing mds1 on oleg256-server 1 513 1.47 MB/sec warmup 12 sec latency 138.642 ms Stopping /mnt/lustre-mds1 (opts:) on oleg256-server 1 597 1.60 MB/sec warmup 13 sec latency 109.295 ms 1 654 1.50 MB/sec warmup 14 sec latency 104.066 ms 1 654 1.40 MB/sec warmup 15 sec latency 1060.207 ms 1 654 1.31 MB/sec warmup 16 sec latency 2060.459 ms 10:19:55 (1788531595) shut down facet: mds1 facet_host: oleg256-server facet_failover_host: oleg256-server 1 654 1.24 MB/sec warmup 17 sec latency 3060.740 ms 1 654 1.17 MB/sec warmup 18 sec latency 4060.999 ms 1 654 1.11 MB/sec warmup 19 sec latency 5061.195 ms 1 654 0.00 MB/sec execute 1 sec latency 7062.665 ms 1 654 0.00 MB/sec execute 2 sec latency 8064.193 ms 1 654 0.00 MB/sec execute 3 sec latency 9068.296 ms 1 654 0.00 MB/sec execute 4 sec latency 10069.591 ms 1 654 0.00 MB/sec execute 5 sec latency 11073.658 ms 1 654 0.00 MB/sec execute 6 sec latency 12074.008 ms Failover mds1 to oleg256-server mount facets: mds1 1 654 0.00 MB/sec execute 7 sec latency 13074.254 ms 1 654 0.00 MB/sec execute 8 sec latency 14074.481 ms 1 654 0.00 MB/sec execute 9 sec latency 15076.327 ms 1 654 0.00 MB/sec execute 10 sec latency 16076.576 ms 1 654 0.00 MB/sec execute 11 sec latency 17076.728 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 654 0.00 MB/sec execute 12 sec latency 18076.982 ms 1 654 0.00 MB/sec execute 13 sec latency 19077.386 ms 1 654 0.00 MB/sec execute 14 sec latency 20077.834 ms 1 654 0.00 MB/sec execute 15 sec latency 21078.158 ms 1 654 0.00 MB/sec execute 16 sec latency 22078.450 ms 1 654 0.00 MB/sec execute 17 sec latency 23079.140 ms 1 654 0.00 MB/sec execute 18 sec latency 24079.347 ms 1 654 0.00 MB/sec execute 19 sec latency 25079.622 ms 1 654 0.00 MB/sec execute 20 sec latency 26080.450 ms 1 654 0.00 MB/sec execute 21 sec latency 27080.669 ms oleg256-server: oleg256-server.virtnet: executing set_default_debug -1 all 1 654 0.00 MB/sec execute 22 sec latency 28096.035 ms 1 654 0.00 MB/sec execute 23 sec latency 29096.321 ms pdsh@oleg256-client: oleg256-server: ssh exited with exit code 1 1 654 0.00 MB/sec execute 24 sec latency 30097.995 ms Started lustre-MDT0000 10:20:23 (1788531623) targets are mounted 10:20:23 (1788531623) facet_failover done 1 654 0.00 MB/sec execute 25 sec latency 31101.321 ms 1 654 0.00 MB/sec execute 26 sec latency 32101.542 ms 1 654 0.00 MB/sec execute 27 sec latency 33102.530 ms 1 654 0.00 MB/sec execute 28 sec latency 34102.739 ms 1 654 0.00 MB/sec execute 29 sec latency 35104.203 ms 1 654 0.00 MB/sec execute 30 sec latency 36104.421 ms 1 654 0.00 MB/sec execute 31 sec latency 37104.629 ms 1 654 0.00 MB/sec execute 32 sec latency 38104.883 ms 1 654 0.00 MB/sec execute 33 sec latency 39106.468 ms 1 654 0.00 MB/sec execute 34 sec latency 40107.484 ms 1 654 0.00 MB/sec execute 35 sec latency 41107.681 ms 1 666 0.00 MB/sec execute 36 sec latency 41414.773 ms 1 692 0.00 MB/sec execute 37 sec latency 141.120 ms 1 713 0.00 MB/sec execute 38 sec latency 157.266 ms 1 723 0.01 MB/sec execute 39 sec latency 412.292 ms 1 745 0.01 MB/sec execute 40 sec latency 160.243 ms 1 779 0.01 MB/sec execute 41 sec latency 120.003 ms oleg256-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 808 0.01 MB/sec execute 42 sec latency 185.568 ms 1 848 0.01 MB/sec execute 43 sec latency 187.719 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 873 0.01 MB/sec execute 44 sec latency 198.680 ms 1 885 0.01 MB/sec execute 45 sec latency 198.503 ms 1 902 0.01 MB/sec execute 46 sec latency 174.853 ms 1 914 0.01 MB/sec execute 47 sec latency 359.384 ms 1 933 0.01 MB/sec execute 48 sec latency 155.737 ms 1 971 0.02 MB/sec execute 49 sec latency 133.182 ms 1 997 0.02 MB/sec execute 50 sec latency 231.556 ms 1 1062 0.04 MB/sec execute 51 sec latency 219.979 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1163 0.04 MB/sec execute 52 sec latency 59.248 ms 1 1246 0.04 MB/sec execute 53 sec latency 53.068 ms 1 1365 0.08 MB/sec execute 54 sec latency 93.248 ms 1 1421 0.09 MB/sec execute 55 sec latency 115.654 ms 1 1481 0.09 MB/sec execute 56 sec latency 111.865 ms 1 1511 0.09 MB/sec execute 57 sec latency 162.536 ms 1 1562 0.09 MB/sec execute 58 sec latency 85.138 ms 1 1597 0.09 MB/sec execute 59 sec latency 79.535 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1632 0.08 MB/sec execute 60 sec latency 124.545 ms stopping dbench on /mnt/lustre at Fri Sep 4 10:20:59 EDT 2026 with return code 0 47342 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47342 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished