== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:37:41 (1788572261) Starting client oleg157-client.virtnet: -o user_xattr,flock 192.168.201.157@tcp:/lustre /mnt/lustre Started clients oleg157-client.virtnet: 192.168.201.157@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 45219 Started dbench loop with 45221 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 10240 3738624 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7503872 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 21:37:49 EDT 2026 waiting for dbench pid 45289 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 3.594 ms 1 35 0.56 MB/sec warmup 2 sec latency 215.037 ms 1 76 1.09 MB/sec warmup 3 sec latency 255.992 ms 1 113 1.31 MB/sec warmup 4 sec latency 182.213 ms 1 152 1.28 MB/sec warmup 5 sec latency 126.131 ms test_26 fail mds1 1 times 1 173 1.17 MB/sec warmup 6 sec latency 262.744 ms 1 190 1.08 MB/sec warmup 7 sec latency 319.610 ms 1 214 1.04 MB/sec warmup 8 sec latency 221.184 ms Failing mds1 on oleg157-server 1 232 0.98 MB/sec warmup 9 sec latency 192.008 ms 1 255 0.96 MB/sec warmup 10 sec latency 225.516 ms Stopping /mnt/lustre-mds1 (opts:) on oleg157-server 1 280 0.94 MB/sec warmup 11 sec latency 196.041 ms 1 297 0.91 MB/sec warmup 12 sec latency 270.420 ms 1 312 0.88 MB/sec warmup 13 sec latency 369.107 ms 1 312 0.82 MB/sec warmup 14 sec latency 1369.272 ms 1 312 0.76 MB/sec warmup 15 sec latency 2376.580 ms 1 312 0.71 MB/sec warmup 16 sec latency 3380.531 ms 21:38:05 (1788572285) shut down facet: mds1 facet_host: oleg157-server facet_failover_host: oleg157-server 1 312 0.67 MB/sec warmup 17 sec latency 4380.889 ms 1 312 0.64 MB/sec warmup 18 sec latency 5381.216 ms 1 312 0.60 MB/sec warmup 19 sec latency 6381.492 ms 1 312 0.00 MB/sec execute 1 sec latency 8386.221 ms 1 312 0.00 MB/sec execute 2 sec latency 9387.400 ms 1 312 0.00 MB/sec execute 3 sec latency 10387.680 ms 1 312 0.00 MB/sec execute 4 sec latency 11389.229 ms 1 312 0.00 MB/sec execute 5 sec latency 12389.441 ms 1 312 0.00 MB/sec execute 6 sec latency 13389.670 ms Failover mds1 to oleg157-server mount facets: mds1 1 312 0.00 MB/sec execute 7 sec latency 14390.472 ms 1 312 0.00 MB/sec execute 8 sec latency 15396.497 ms 1 312 0.00 MB/sec execute 9 sec latency 16396.978 ms 1 312 0.00 MB/sec execute 10 sec latency 17397.264 ms 1 312 0.00 MB/sec execute 11 sec latency 18403.576 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 12 sec latency 19404.695 ms 1 312 0.00 MB/sec execute 13 sec latency 20408.701 ms 1 312 0.00 MB/sec execute 14 sec latency 21410.689 ms 1 312 0.00 MB/sec execute 15 sec latency 22411.006 ms 1 312 0.00 MB/sec execute 16 sec latency 23411.205 ms 1 312 0.00 MB/sec execute 17 sec latency 24411.561 ms 1 312 0.00 MB/sec execute 18 sec latency 25411.836 ms 1 312 0.00 MB/sec execute 19 sec latency 26412.986 ms 1 312 0.00 MB/sec execute 20 sec latency 27413.187 ms 1 312 0.00 MB/sec execute 21 sec latency 28413.486 ms 1 312 0.00 MB/sec execute 22 sec latency 29413.843 ms 1 312 0.00 MB/sec execute 23 sec latency 30428.784 ms 1 312 0.00 MB/sec execute 24 sec latency 31428.961 ms 1 312 0.00 MB/sec execute 25 sec latency 32431.321 ms 1 312 0.00 MB/sec execute 26 sec latency 33431.567 ms 1 312 0.00 MB/sec execute 27 sec latency 34432.468 ms oleg157-server: oleg157-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 28 sec latency 35432.659 ms pdsh@oleg157-client: oleg157-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 29 sec latency 36436.170 ms 1 312 0.00 MB/sec execute 30 sec latency 37436.918 ms Started lustre-MDT0000 21:38:39 (1788572319) targets are mounted 21:38:39 (1788572319) facet_failover done 1 312 0.00 MB/sec execute 31 sec latency 38438.282 ms 1 312 0.00 MB/sec execute 32 sec latency 39442.797 ms 1 312 0.00 MB/sec execute 33 sec latency 40442.995 ms 1 313 0.00 MB/sec execute 34 sec latency 41086.932 ms 1 341 0.02 MB/sec execute 35 sec latency 389.526 ms 1 377 0.05 MB/sec execute 36 sec latency 146.402 ms 1 408 0.08 MB/sec execute 37 sec latency 178.232 ms 1 438 0.10 MB/sec execute 38 sec latency 223.678 ms oleg157-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 473 0.13 MB/sec execute 39 sec latency 140.667 ms 1 503 0.15 MB/sec execute 40 sec latency 158.072 ms 1 523 0.16 MB/sec execute 41 sec latency 211.870 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 589 0.21 MB/sec execute 42 sec latency 193.955 ms 1 639 0.22 MB/sec execute 43 sec latency 131.797 ms 1 666 0.22 MB/sec execute 44 sec latency 237.963 ms 1 695 0.22 MB/sec execute 45 sec latency 157.270 ms 1 721 0.21 MB/sec execute 46 sec latency 180.678 ms 1 740 0.21 MB/sec execute 47 sec latency 249.243 ms 1 778 0.21 MB/sec execute 48 sec latency 103.928 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3660800 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 7168 3735552 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7396352 1% /mnt/lustre 1 798 0.20 MB/sec execute 49 sec latency 315.990 ms 1 825 0.20 MB/sec execute 50 sec latency 143.483 ms 1 873 0.20 MB/sec execute 51 sec latency 130.462 ms 1 890 0.20 MB/sec execute 52 sec latency 312.796 ms 1 914 0.19 MB/sec execute 53 sec latency 232.583 ms 1 955 0.19 MB/sec execute 54 sec latency 91.644 ms test_26 fail mds1 2 times 1 981 0.19 MB/sec execute 55 sec latency 253.165 ms 1 1036 0.20 MB/sec execute 56 sec latency 148.773 ms Failing mds1 on oleg157-server 1 1082 0.20 MB/sec execute 57 sec latency 83.916 ms Stopping /mnt/lustre-mds1 (opts:) on oleg157-server 1 1127 0.20 MB/sec execute 58 sec latency 83.460 ms 1 1136 0.19 MB/sec execute 59 sec latency 649.017 ms 1 1136 0.19 MB/sec execute 60 sec latency 1650.959 ms 1 1136 0.19 MB/sec execute 61 sec latency 2651.277 ms 21:39:11 (1788572351) shut down facet: mds1 facet_host: oleg157-server facet_failover_host: oleg157-server 1 1136 0.19 MB/sec execute 62 sec latency 3656.680 ms 1 1136 0.18 MB/sec execute 63 sec latency 4656.958 ms 1 1136 0.18 MB/sec execute 64 sec latency 5658.060 ms 1 1136 0.18 MB/sec execute 65 sec latency 6658.389 ms 1 1136 0.17 MB/sec execute 66 sec latency 7659.021 ms 1 1136 0.17 MB/sec execute 67 sec latency 8660.272 ms 1 1136 0.17 MB/sec execute 68 sec latency 9661.602 ms 1 1136 0.17 MB/sec execute 69 sec latency 10662.129 ms 1 1136 0.16 MB/sec execute 70 sec latency 11662.403 ms 1 1136 0.16 MB/sec execute 71 sec latency 12662.804 ms 1 1136 0.16 MB/sec execute 72 sec latency 13664.059 ms Failover mds1 to oleg157-server mount facets: mds1 1 1136 0.16 MB/sec execute 73 sec latency 14664.373 ms 1 1136 0.16 MB/sec execute 74 sec latency 15665.831 ms 1 1136 0.15 MB/sec execute 75 sec latency 16668.557 ms 1 1136 0.15 MB/sec execute 76 sec latency 17670.051 ms 1 1136 0.15 MB/sec execute 77 sec latency 18670.464 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1136 0.15 MB/sec execute 78 sec latency 19671.244 ms 1 1136 0.15 MB/sec execute 79 sec latency 20672.679 ms 1 1136 0.14 MB/sec execute 80 sec latency 21672.887 ms 1 1136 0.14 MB/sec execute 81 sec latency 22673.837 ms 1 1136 0.14 MB/sec execute 82 sec latency 23674.125 ms 1 1136 0.14 MB/sec execute 83 sec latency 24677.147 ms 1 1136 0.14 MB/sec execute 84 sec latency 25679.003 ms 1 1136 0.14 MB/sec execute 85 sec latency 26679.606 ms oleg157-server: oleg157-server.virtnet: executing set_default_debug -1 all 1 1136 0.13 MB/sec execute 86 sec latency 27680.127 ms pdsh@oleg157-client: oleg157-server: ssh exited with exit code 1 1 1136 0.13 MB/sec execute 87 sec latency 28680.650 ms 1 1136 0.13 MB/sec execute 88 sec latency 29681.420 ms Started lustre-MDT0000 21:39:38 (1788572378) targets are mounted 21:39:38 (1788572378) facet_failover done 1 1136 0.13 MB/sec execute 89 sec latency 30681.668 ms 1 1136 0.13 MB/sec execute 90 sec latency 31682.519 ms 1 1136 0.13 MB/sec execute 91 sec latency 32683.904 ms 1 1136 0.12 MB/sec execute 92 sec latency 33684.138 ms 1 1136 0.12 MB/sec execute 93 sec latency 34684.400 ms 1 1136 0.12 MB/sec execute 94 sec latency 35684.670 ms 1 1136 0.12 MB/sec execute 95 sec latency 36686.011 ms 1 1136 0.12 MB/sec execute 96 sec latency 37687.133 ms 1 1136 0.12 MB/sec execute 97 sec latency 38687.444 ms 1 1136 0.12 MB/sec execute 98 sec latency 39687.817 ms 1 1136 0.12 MB/sec execute 99 sec latency 40690.448 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 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 117 444.907 41682.644 Close 109 392.379 41086.898 Rename 6 108.708 137.686 Unlink 12 33.081 56.359 Qpathinfo 57 21.270 71.414 Qfileinfo 52 2.520 11.215 Qfsinfo 26 4.628 22.653 Sfileinfo 22 68.170 120.136 Find 32 8.286 78.865 WriteX 255 16.274 89.772 ReadX 114 6.419 102.177 Flush 24 148.262 315.976 Throughput 0.116004 MB/sec 1 clients 1 procs max_latency=41086.932 ms stopping dbench on /mnt/lustre at Fri Sep 4 21:39:55 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg157-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 21:40:03 EDT 2026 waiting for dbench pid 47234 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 24 0.65 MB/sec warmup 1 sec latency 27.755 ms 1 71 1.57 MB/sec warmup 2 sec latency 187.488 ms 1 113 1.74 MB/sec warmup 3 sec latency 187.269 ms 1 140 1.50 MB/sec warmup 4 sec latency 190.003 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 20480 3731456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3726336 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7457792 1% /mnt/lustre 1 165 1.36 MB/sec warmup 5 sec latency 186.991 ms 1 189 1.26 MB/sec warmup 6 sec latency 208.275 ms 1 223 1.23 MB/sec warmup 7 sec latency 151.589 ms 1 255 1.21 MB/sec warmup 8 sec latency 160.582 ms 1 289 1.19 MB/sec warmup 9 sec latency 135.309 ms 1 323 1.17 MB/sec warmup 10 sec latency 154.224 ms test_26 fail mds1 3 times 1 353 1.14 MB/sec warmup 11 sec latency 178.211 ms 1 381 1.13 MB/sec warmup 12 sec latency 171.130 ms 1 406 1.10 MB/sec warmup 13 sec latency 181.286 ms Failing mds1 on oleg157-server 1 437 1.10 MB/sec warmup 14 sec latency 155.124 ms Stopping /mnt/lustre-mds1 (opts:) on oleg157-server 1 469 1.09 MB/sec warmup 15 sec latency 127.935 ms 1 492 1.07 MB/sec warmup 16 sec latency 311.150 ms 1 492 1.01 MB/sec warmup 17 sec latency 1311.428 ms 1 492 0.95 MB/sec warmup 18 sec latency 2311.717 ms 21:40:22 (1788572422) shut down facet: mds1 facet_host: oleg157-server facet_failover_host: oleg157-server 1 492 0.90 MB/sec warmup 19 sec latency 3312.077 ms 1 492 0.00 MB/sec execute 1 sec latency 5316.127 ms 1 492 0.00 MB/sec execute 2 sec latency 6316.372 ms 1 492 0.00 MB/sec execute 3 sec latency 7316.767 ms 1 492 0.00 MB/sec execute 4 sec latency 8317.011 ms 1 492 0.00 MB/sec execute 5 sec latency 9317.421 ms 1 492 0.00 MB/sec execute 6 sec latency 10317.759 ms 1 492 0.00 MB/sec execute 7 sec latency 11318.035 ms 1 492 0.00 MB/sec execute 8 sec latency 12325.667 ms 1 492 0.00 MB/sec execute 9 sec latency 13325.884 ms Failover mds1 to oleg157-server mount facets: mds1 1 492 0.00 MB/sec execute 10 sec latency 14326.241 ms 1 492 0.00 MB/sec execute 11 sec latency 15328.664 ms 1 492 0.00 MB/sec execute 12 sec latency 16329.027 ms 1 492 0.00 MB/sec execute 13 sec latency 17330.631 ms 1 492 0.00 MB/sec execute 14 sec latency 18331.196 ms 1 492 0.00 MB/sec execute 15 sec latency 19331.787 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 492 0.00 MB/sec execute 16 sec latency 20332.872 ms 1 492 0.00 MB/sec execute 17 sec latency 21333.229 ms 1 492 0.00 MB/sec execute 18 sec latency 22333.467 ms 1 492 0.00 MB/sec execute 19 sec latency 23333.739 ms 1 492 0.00 MB/sec execute 20 sec latency 24334.165 ms 1 492 0.00 MB/sec execute 21 sec latency 25334.499 ms 1 492 0.00 MB/sec execute 22 sec latency 26335.268 ms 1 492 0.00 MB/sec execute 23 sec latency 27335.672 ms 1 492 0.00 MB/sec execute 24 sec latency 28336.004 ms 1 492 0.00 MB/sec execute 25 sec latency 29336.335 ms 1 492 0.00 MB/sec execute 26 sec latency 30336.735 ms 1 492 0.00 MB/sec execute 27 sec latency 31337.896 ms 1 492 0.00 MB/sec execute 28 sec latency 32338.286 ms 1 492 0.00 MB/sec execute 29 sec latency 33341.388 ms 1 492 0.00 MB/sec execute 30 sec latency 34342.039 ms oleg157-server: oleg157-server.virtnet: executing set_default_debug -1 all 1 492 0.00 MB/sec execute 31 sec latency 35342.312 ms 1 492 0.00 MB/sec execute 32 sec latency 36343.080 ms pdsh@oleg157-client: oleg157-server: ssh exited with exit code 1 1 492 0.00 MB/sec execute 33 sec latency 37343.361 ms Started lustre-MDT0000 21:40:57 (1788572457) targets are mounted 21:40:57 (1788572457) facet_failover done 1 492 0.00 MB/sec execute 34 sec latency 38344.704 ms 1 492 0.00 MB/sec execute 35 sec latency 39348.019 ms 1 492 0.00 MB/sec execute 36 sec latency 40349.817 ms 1 493 0.00 MB/sec execute 37 sec latency 41213.882 ms 1 513 0.01 MB/sec execute 38 sec latency 363.275 ms 1 569 0.05 MB/sec execute 39 sec latency 186.555 ms 1 614 0.09 MB/sec execute 40 sec latency 159.485 ms 1 654 0.09 MB/sec execute 41 sec latency 147.673 ms 1 671 0.09 MB/sec execute 42 sec latency 346.343 ms oleg157-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 692 0.09 MB/sec execute 43 sec latency 175.914 ms 1 713 0.09 MB/sec execute 44 sec latency 217.568 ms 1 728 0.09 MB/sec execute 45 sec latency 421.034 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 744 0.09 MB/sec execute 46 sec latency 208.913 ms 1 776 0.09 MB/sec execute 47 sec latency 162.956 ms 1 798 0.09 MB/sec execute 48 sec latency 197.900 ms 1 845 0.09 MB/sec execute 49 sec latency 137.167 ms 1 876 0.09 MB/sec execute 50 sec latency 262.747 ms 1 905 0.09 MB/sec execute 51 sec latency 153.617 ms 1 933 0.09 MB/sec execute 52 sec latency 213.546 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 983 0.09 MB/sec execute 53 sec latency 270.026 ms 1 1074 0.11 MB/sec execute 54 sec latency 102.903 ms 1 1128 0.10 MB/sec execute 55 sec latency 86.512 ms 1 1170 0.10 MB/sec execute 56 sec latency 98.285 ms 1 1214 0.10 MB/sec execute 57 sec latency 88.022 ms 1 1240 0.10 MB/sec execute 58 sec latency 119.097 ms 1 1268 0.10 MB/sec execute 59 sec latency 267.519 ms 1 1391 0.15 MB/sec execute 60 sec latency 132.720 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 21:41:24 EDT 2026 with return code 0 1 1435 0.14 MB/sec execute 61 sec latency 91.328 ms 47234 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47234 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished