== replay-dual test 26: dbench and tar with mds failover ========================================================== 01:34:42 (1787117682) Starting client oleg320-client.virtnet: -o user_xattr,flock 192.168.203.120@tcp:/lustre /mnt/lustre Started clients oleg320-client.virtnet: 192.168.203.120@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 44945 Started dbench loop with 44946 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 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3747840 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7510016 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 19 01:34:50 EDT 2026 waiting for dbench pid 45015 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 26 0.78 MB/sec warmup 1 sec latency 25.582 ms 1 59 1.20 MB/sec warmup 2 sec latency 242.196 ms 1 102 1.56 MB/sec warmup 3 sec latency 158.136 ms 1 145 1.54 MB/sec warmup 4 sec latency 154.683 ms test_26 fail mds1 1 times 1 171 1.39 MB/sec warmup 5 sec latency 192.298 ms 1 192 1.26 MB/sec warmup 6 sec latency 271.926 ms 1 208 1.15 MB/sec warmup 7 sec latency 187.863 ms Failing mds1 on oleg320-server 1 232 1.10 MB/sec warmup 8 sec latency 257.825 ms Stopping /mnt/lustre-mds1 (opts:) on oleg320-server 1 266 1.10 MB/sec warmup 9 sec latency 176.567 ms 1 294 1.08 MB/sec warmup 10 sec latency 186.647 ms 1 304 1.01 MB/sec warmup 11 sec latency 752.498 ms 1 304 0.93 MB/sec warmup 12 sec latency 1754.212 ms 1 304 0.86 MB/sec warmup 13 sec latency 2754.414 ms 01:35:03 (1787117703) shut down facet: mds1 facet_host: oleg320-server facet_failover_host: oleg320-server 1 304 0.80 MB/sec warmup 14 sec latency 3755.278 ms 1 304 0.74 MB/sec warmup 15 sec latency 4759.992 ms 1 304 0.70 MB/sec warmup 16 sec latency 5760.219 ms 1 304 0.66 MB/sec warmup 17 sec latency 6760.412 ms 1 304 0.62 MB/sec warmup 18 sec latency 7760.687 ms 1 304 0.59 MB/sec warmup 19 sec latency 8761.373 ms 1 304 0.00 MB/sec execute 1 sec latency 10765.564 ms 1 304 0.00 MB/sec execute 2 sec latency 11766.352 ms 1 304 0.00 MB/sec execute 3 sec latency 12768.657 ms Failover mds1 to oleg320-server mount facets: mds1 1 304 0.00 MB/sec execute 4 sec latency 13768.789 ms 1 304 0.00 MB/sec execute 5 sec latency 14768.988 ms 1 304 0.00 MB/sec execute 6 sec latency 15769.180 ms 1 304 0.00 MB/sec execute 7 sec latency 16770.384 ms 1 304 0.00 MB/sec execute 8 sec latency 17784.012 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 9 sec latency 18784.359 ms 1 304 0.00 MB/sec execute 10 sec latency 19785.569 ms 1 304 0.00 MB/sec execute 11 sec latency 20787.359 ms 1 304 0.00 MB/sec execute 12 sec latency 21787.553 ms 1 304 0.00 MB/sec execute 13 sec latency 22787.886 ms 1 304 0.00 MB/sec execute 14 sec latency 23788.429 ms 1 304 0.00 MB/sec execute 15 sec latency 24788.703 ms 1 304 0.00 MB/sec execute 16 sec latency 25789.842 ms 1 304 0.00 MB/sec execute 17 sec latency 26790.122 ms 1 304 0.00 MB/sec execute 18 sec latency 27793.183 ms 1 304 0.00 MB/sec execute 19 sec latency 28793.478 ms 1 304 0.00 MB/sec execute 20 sec latency 29797.350 ms 1 304 0.00 MB/sec execute 21 sec latency 30797.546 ms 1 304 0.00 MB/sec execute 22 sec latency 31797.763 ms 1 304 0.00 MB/sec execute 23 sec latency 32800.210 ms 1 304 0.00 MB/sec execute 24 sec latency 33800.476 ms oleg320-server: oleg320-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 25 sec latency 34800.997 ms pdsh@oleg320-client: oleg320-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 26 sec latency 35801.626 ms Started lustre-MDT0000 01:35:37 (1787117737) targets are mounted 01:35:37 (1787117737) facet_failover done 1 304 0.00 MB/sec execute 27 sec latency 36802.232 ms 1 304 0.00 MB/sec execute 28 sec latency 37803.463 ms 1 304 0.00 MB/sec execute 29 sec latency 38803.648 ms 1 304 0.00 MB/sec execute 30 sec latency 39805.619 ms 1 304 0.00 MB/sec execute 31 sec latency 40806.423 ms 1 304 0.00 MB/sec execute 32 sec latency 41807.580 ms 1 313 0.01 MB/sec execute 33 sec latency 42316.578 ms 1 341 0.03 MB/sec execute 34 sec latency 171.371 ms 1 374 0.06 MB/sec execute 35 sec latency 154.871 ms 1 405 0.09 MB/sec execute 36 sec latency 136.868 ms 1 445 0.12 MB/sec execute 37 sec latency 117.290 ms oleg320-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 492 0.16 MB/sec execute 38 sec latency 111.337 ms 1 521 0.17 MB/sec execute 39 sec latency 146.141 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 578 0.21 MB/sec execute 40 sec latency 247.161 ms 1 639 0.24 MB/sec execute 41 sec latency 114.325 ms 1 669 0.24 MB/sec execute 42 sec latency 294.854 ms 1 697 0.23 MB/sec execute 43 sec latency 106.789 ms 1 723 0.23 MB/sec execute 44 sec latency 237.316 ms 1 765 0.22 MB/sec execute 45 sec latency 105.089 ms 1 796 0.22 MB/sec execute 46 sec latency 217.007 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3721216 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3700736 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7421952 1% /mnt/lustre 1 815 0.22 MB/sec execute 47 sec latency 140.932 ms 1 864 0.22 MB/sec execute 48 sec latency 112.561 ms 1 890 0.21 MB/sec execute 49 sec latency 238.338 ms 1 913 0.21 MB/sec execute 50 sec latency 190.733 ms 1 943 0.21 MB/sec execute 51 sec latency 199.428 ms 1 980 0.21 MB/sec execute 52 sec latency 122.630 ms test_26 fail mds1 2 times 1 1033 0.22 MB/sec execute 53 sec latency 237.541 ms 1 1077 0.22 MB/sec execute 54 sec latency 94.533 ms Failing mds1 on oleg320-server 1 1124 0.21 MB/sec execute 55 sec latency 96.619 ms 1 1147 0.21 MB/sec execute 56 sec latency 116.087 ms Stopping /mnt/lustre-mds1 (opts:) on oleg320-server 1 1182 0.21 MB/sec execute 57 sec latency 122.002 ms 1 1192 0.20 MB/sec execute 58 sec latency 832.862 ms 1 1192 0.20 MB/sec execute 59 sec latency 1833.019 ms 1 1192 0.20 MB/sec execute 60 sec latency 2834.344 ms 01:36:11 (1787117771) shut down facet: mds1 facet_host: oleg320-server facet_failover_host: oleg320-server 1 1192 0.19 MB/sec execute 61 sec latency 3838.252 ms 1 1192 0.19 MB/sec execute 62 sec latency 4838.664 ms 1 1192 0.19 MB/sec execute 63 sec latency 5839.224 ms 1 1192 0.18 MB/sec execute 64 sec latency 6839.484 ms 1 1192 0.18 MB/sec execute 65 sec latency 7840.681 ms 1 1192 0.18 MB/sec execute 66 sec latency 8842.014 ms 1 1192 0.18 MB/sec execute 67 sec latency 9847.852 ms 1 1192 0.17 MB/sec execute 68 sec latency 10848.117 ms 1 1192 0.17 MB/sec execute 69 sec latency 11850.677 ms 1 1192 0.17 MB/sec execute 70 sec latency 12852.811 ms 1 1192 0.17 MB/sec execute 71 sec latency 13855.909 ms Failover mds1 to oleg320-server mount facets: mds1 1 1192 0.16 MB/sec execute 72 sec latency 14856.981 ms 1 1192 0.16 MB/sec execute 73 sec latency 15857.784 ms 1 1192 0.16 MB/sec execute 74 sec latency 16859.243 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1192 0.16 MB/sec execute 75 sec latency 17859.645 ms 1 1192 0.16 MB/sec execute 76 sec latency 18859.872 ms 1 1192 0.15 MB/sec execute 77 sec latency 19860.076 ms 1 1192 0.15 MB/sec execute 78 sec latency 20860.674 ms 1 1192 0.15 MB/sec execute 79 sec latency 21860.928 ms 1 1192 0.15 MB/sec execute 80 sec latency 22862.339 ms 1 1192 0.15 MB/sec execute 81 sec latency 23862.644 ms 1 1192 0.14 MB/sec execute 82 sec latency 24863.184 ms 1 1192 0.14 MB/sec execute 83 sec latency 25863.814 ms 1 1192 0.14 MB/sec execute 84 sec latency 26872.811 ms 1 1192 0.14 MB/sec execute 85 sec latency 27873.057 ms 1 1192 0.14 MB/sec execute 86 sec latency 28873.281 ms 1 1192 0.14 MB/sec execute 87 sec latency 29873.559 ms 1 1192 0.13 MB/sec execute 88 sec latency 30875.551 ms 1 1192 0.13 MB/sec execute 89 sec latency 31876.863 ms 1 1192 0.13 MB/sec execute 90 sec latency 32879.933 ms oleg320-server: oleg320-server.virtnet: executing set_default_debug -1 all 1 1192 0.13 MB/sec execute 91 sec latency 33880.624 ms pdsh@oleg320-client: oleg320-server: ssh exited with exit code 1 1 1192 0.13 MB/sec execute 92 sec latency 34885.403 ms Started lustre-MDT0000 01:36:43 (1787117803) targets are mounted 01:36:43 (1787117803) facet_failover done 1 1192 0.13 MB/sec execute 93 sec latency 35885.632 ms 1 1192 0.13 MB/sec execute 94 sec latency 36885.796 ms 1 1192 0.12 MB/sec execute 95 sec latency 37886.038 ms 1 1192 0.12 MB/sec execute 96 sec latency 38887.350 ms 1 1192 0.12 MB/sec execute 97 sec latency 39888.127 ms 1 1192 0.12 MB/sec execute 98 sec latency 40888.891 ms 1 1205 0.12 MB/sec execute 99 sec latency 41273.614 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg320-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 135 78.158 316.934 Close 126 349.678 42316.560 Rename 10 112.131 190.713 Unlink 14 31.151 47.247 Qpathinfo 84 25.527 112.530 Qfileinfo 56 2.580 18.584 Qfsinfo 28 4.917 34.863 Sfileinfo 30 1444.026 41273.561 Find 37 7.835 60.568 WriteX 269 15.213 103.806 ReadX 128 4.232 92.386 Flush 24 127.700 294.836 Throughput 0.119292 MB/sec 1 clients 1 procs max_latency=42316.578 ms stopping dbench on /mnt/lustre at Wed Aug 19 01:36:55 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Wed Aug 19 01:37:02 EDT 2026 waiting for dbench pid 46997 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 51 2.09 MB/sec warmup 1 sec latency 92.650 ms 1 105 2.45 MB/sec warmup 2 sec latency 130.318 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3706880 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7413760 1% /mnt/lustre 1 133 1.93 MB/sec warmup 3 sec latency 195.969 ms 1 155 1.63 MB/sec warmup 4 sec latency 200.719 ms 1 181 1.46 MB/sec warmup 5 sec latency 211.479 ms 1 208 1.34 MB/sec warmup 6 sec latency 155.607 ms 1 251 1.35 MB/sec warmup 7 sec latency 110.658 ms 1 297 1.36 MB/sec warmup 8 sec latency 99.063 ms test_26 fail mds1 3 times 1 332 1.33 MB/sec warmup 9 sec latency 135.147 ms 1 368 1.30 MB/sec warmup 10 sec latency 138.448 ms Failing mds1 on oleg320-server 1 397 1.28 MB/sec warmup 11 sec latency 186.175 ms 1 437 1.28 MB/sec warmup 12 sec latency 156.999 ms Stopping /mnt/lustre-mds1 (opts:) on oleg320-server 1 468 1.26 MB/sec warmup 13 sec latency 170.162 ms 1 477 1.19 MB/sec warmup 14 sec latency 708.640 ms 1 477 1.11 MB/sec warmup 15 sec latency 1714.066 ms 1 477 1.04 MB/sec warmup 16 sec latency 2714.274 ms 01:37:19 (1787117839) shut down facet: mds1 facet_host: oleg320-server facet_failover_host: oleg320-server 1 477 0.98 MB/sec warmup 17 sec latency 3720.410 ms 1 477 0.92 MB/sec warmup 18 sec latency 4721.122 ms 1 477 0.88 MB/sec warmup 19 sec latency 5722.035 ms 1 477 0.00 MB/sec execute 1 sec latency 7722.472 ms 1 477 0.00 MB/sec execute 2 sec latency 8722.759 ms 1 477 0.00 MB/sec execute 3 sec latency 9723.678 ms 1 477 0.00 MB/sec execute 4 sec latency 10724.058 ms 1 477 0.00 MB/sec execute 5 sec latency 11724.320 ms 1 477 0.00 MB/sec execute 6 sec latency 12725.634 ms 1 477 0.00 MB/sec execute 7 sec latency 13726.158 ms Failover mds1 to oleg320-server mount facets: mds1 1 477 0.00 MB/sec execute 8 sec latency 14726.695 ms 1 477 0.00 MB/sec execute 9 sec latency 15727.557 ms 1 477 0.00 MB/sec execute 10 sec latency 16727.758 ms 1 477 0.00 MB/sec execute 11 sec latency 17727.957 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 477 0.00 MB/sec execute 12 sec latency 18730.303 ms 1 477 0.00 MB/sec execute 13 sec latency 19730.574 ms 1 477 0.00 MB/sec execute 14 sec latency 20731.059 ms 1 477 0.00 MB/sec execute 15 sec latency 21732.984 ms 1 477 0.00 MB/sec execute 16 sec latency 22733.269 ms 1 477 0.00 MB/sec execute 17 sec latency 23735.406 ms 1 477 0.00 MB/sec execute 18 sec latency 24736.395 ms 1 477 0.00 MB/sec execute 19 sec latency 25736.649 ms 1 477 0.00 MB/sec execute 20 sec latency 26736.935 ms 1 477 0.00 MB/sec execute 21 sec latency 27739.469 ms 1 477 0.00 MB/sec execute 22 sec latency 28744.699 ms 1 477 0.00 MB/sec execute 23 sec latency 29744.882 ms 1 477 0.00 MB/sec execute 24 sec latency 30745.249 ms 1 477 0.00 MB/sec execute 25 sec latency 31745.510 ms oleg320-server: oleg320-server.virtnet: executing set_default_debug -1 all 1 477 0.00 MB/sec execute 26 sec latency 32747.006 ms 1 477 0.00 MB/sec execute 27 sec latency 33747.267 ms pdsh@oleg320-client: oleg320-server: ssh exited with exit code 1 1 477 0.00 MB/sec execute 28 sec latency 34747.467 ms Started lustre-MDT0000 01:37:51 (1787117871) targets are mounted 01:37:51 (1787117871) facet_failover done 1 477 0.00 MB/sec execute 29 sec latency 35748.014 ms 1 477 0.00 MB/sec execute 30 sec latency 36748.316 ms 1 477 0.00 MB/sec execute 31 sec latency 37748.615 ms 1 477 0.00 MB/sec execute 32 sec latency 38748.969 ms 1 477 0.00 MB/sec execute 33 sec latency 39749.231 ms 1 494 0.02 MB/sec execute 34 sec latency 40189.987 ms 1 522 0.04 MB/sec execute 35 sec latency 180.359 ms 1 583 0.09 MB/sec execute 36 sec latency 198.170 ms 1 648 0.12 MB/sec execute 37 sec latency 118.999 ms 1 673 0.12 MB/sec execute 38 sec latency 252.080 ms oleg320-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 702 0.12 MB/sec execute 39 sec latency 124.072 ms 1 723 0.12 MB/sec execute 40 sec latency 225.967 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 758 0.11 MB/sec execute 41 sec latency 156.376 ms 1 786 0.11 MB/sec execute 42 sec latency 147.151 ms 1 806 0.11 MB/sec execute 43 sec latency 257.965 ms 1 864 0.11 MB/sec execute 44 sec latency 107.568 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 888 0.11 MB/sec execute 45 sec latency 216.445 ms 1 913 0.11 MB/sec execute 46 sec latency 150.183 ms 1 952 0.11 MB/sec execute 47 sec latency 243.407 ms 1 981 0.11 MB/sec execute 48 sec latency 308.624 ms 1 1041 0.13 MB/sec execute 49 sec latency 111.099 ms 1 1100 0.13 MB/sec execute 50 sec latency 97.209 ms 1 1159 0.12 MB/sec execute 51 sec latency 108.273 ms 1 1221 0.12 MB/sec execute 52 sec latency 80.302 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 19 01:38:15 EDT 2026 with return code 0 1 1259 0.12 MB/sec execute 53 sec latency 110.648 ms 46997 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46997 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished