== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:16:35 (1788275795) Starting client oleg337-client.virtnet: -o user_xattr,flock 192.168.203.137@tcp:/lustre /mnt/lustre Started clients oleg337-client.virtnet: 192.168.203.137@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 65609 Started dbench loop with 65610 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 1414116 1936 1269368 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3584896 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190372 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 Tue Sep 1 11:16:42 EDT 2026 waiting for dbench pid 65687 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 17 0.19 MB/sec warmup 1 sec latency 14.532 ms 1 71 1.56 MB/sec warmup 2 sec latency 137.489 ms 1 118 1.78 MB/sec warmup 3 sec latency 169.429 ms 1 147 1.56 MB/sec warmup 4 sec latency 166.523 ms 1 178 1.43 MB/sec warmup 5 sec latency 170.688 ms 1 205 1.34 MB/sec warmup 6 sec latency 445.244 ms 1 255 1.38 MB/sec warmup 7 sec latency 95.518 ms 1 297 1.37 MB/sec warmup 8 sec latency 137.144 ms test_26 fail mds1 1 times 1 339 1.36 MB/sec warmup 9 sec latency 144.456 ms 1 373 1.33 MB/sec warmup 10 sec latency 137.397 ms Failing mds1 on oleg337-server 1 405 1.30 MB/sec warmup 11 sec latency 140.731 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 448 1.30 MB/sec warmup 12 sec latency 140.048 ms 1 452 1.22 MB/sec warmup 13 sec latency 965.249 ms 1 452 1.13 MB/sec warmup 14 sec latency 1965.996 ms 11:16:56 (1788275816) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 452 1.06 MB/sec warmup 15 sec latency 2966.246 ms 1 452 0.99 MB/sec warmup 16 sec latency 3966.883 ms 1 452 0.93 MB/sec warmup 17 sec latency 4967.622 ms 1 452 0.88 MB/sec warmup 18 sec latency 5968.139 ms 1 452 0.84 MB/sec warmup 19 sec latency 6968.370 ms 1 452 0.00 MB/sec execute 1 sec latency 8969.802 ms 1 452 0.00 MB/sec execute 2 sec latency 9970.305 ms 1 452 0.00 MB/sec execute 3 sec latency 10972.535 ms 1 452 0.00 MB/sec execute 4 sec latency 11972.751 ms Failover mds1 to oleg337-server mount facets: mds1 1 452 0.00 MB/sec execute 5 sec latency 12972.966 ms 1 452 0.00 MB/sec execute 6 sec latency 13973.528 ms 1 452 0.00 MB/sec execute 7 sec latency 14973.773 ms 1 452 0.00 MB/sec execute 8 sec latency 15974.112 ms 1 452 0.00 MB/sec execute 9 sec latency 16974.317 ms 1 452 0.00 MB/sec execute 10 sec latency 17974.567 ms 1 452 0.00 MB/sec execute 11 sec latency 18978.971 ms 1 452 0.00 MB/sec execute 12 sec latency 19979.161 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 452 0.00 MB/sec execute 13 sec latency 20979.337 ms 1 452 0.00 MB/sec execute 14 sec latency 21979.560 ms 1 452 0.00 MB/sec execute 15 sec latency 22979.838 ms 1 452 0.00 MB/sec execute 16 sec latency 23980.095 ms 1 452 0.00 MB/sec execute 17 sec latency 24980.357 ms 1 452 0.00 MB/sec execute 18 sec latency 25980.631 ms 1 452 0.00 MB/sec execute 19 sec latency 26981.108 ms 1 452 0.00 MB/sec execute 20 sec latency 27982.875 ms 1 452 0.00 MB/sec execute 21 sec latency 28984.888 ms 1 452 0.00 MB/sec execute 22 sec latency 29986.599 ms 1 452 0.00 MB/sec execute 23 sec latency 30987.010 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 452 0.00 MB/sec execute 24 sec latency 31987.979 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 452 0.00 MB/sec execute 25 sec latency 32988.780 ms Started lustre-MDT0000 11:17:27 (1788275847) targets are mounted 11:17:27 (1788275847) facet_failover done 1 452 0.00 MB/sec execute 26 sec latency 33990.464 ms 1 452 0.00 MB/sec execute 27 sec latency 34995.806 ms 1 461 0.01 MB/sec execute 28 sec latency 35368.865 ms 1 501 0.05 MB/sec execute 29 sec latency 189.824 ms 1 532 0.09 MB/sec execute 30 sec latency 155.519 ms 1 552 0.10 MB/sec execute 31 sec latency 605.241 ms 1 608 0.16 MB/sec execute 32 sec latency 810.197 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 650 0.16 MB/sec execute 33 sec latency 136.702 ms 1 669 0.15 MB/sec execute 34 sec latency 186.966 ms 1 695 0.15 MB/sec execute 35 sec latency 156.560 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 720 0.15 MB/sec execute 36 sec latency 171.807 ms 1 737 0.15 MB/sec execute 37 sec latency 199.640 ms 1 765 0.14 MB/sec execute 38 sec latency 146.134 ms 1 796 0.14 MB/sec execute 39 sec latency 142.011 ms 1 812 0.14 MB/sec execute 40 sec latency 136.656 ms 1 851 0.14 MB/sec execute 41 sec latency 143.619 ms 1 876 0.14 MB/sec execute 42 sec latency 110.596 ms 1 902 0.13 MB/sec execute 43 sec latency 130.880 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2048 1269256 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34316 3568484 1% /mnt/lustre[OST:0] 1 921 0.13 MB/sec execute 44 sec latency 149.773 ms lustre-OST0001_UUID 3833116 15596 3585628 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49912 7154112 1% /mnt/lustre 1 938 0.13 MB/sec execute 45 sec latency 203.362 ms 1 964 0.13 MB/sec execute 46 sec latency 139.048 ms 1 981 0.13 MB/sec execute 47 sec latency 256.626 ms 1 998 0.13 MB/sec execute 48 sec latency 213.188 ms 1 1041 0.14 MB/sec execute 49 sec latency 123.378 ms 1 1082 0.14 MB/sec execute 50 sec latency 106.501 ms 1 1126 0.14 MB/sec execute 51 sec latency 107.677 ms 1 1147 0.14 MB/sec execute 52 sec latency 156.340 ms 1 1172 0.13 MB/sec execute 53 sec latency 442.754 ms 1 1173 0.13 MB/sec execute 54 sec latency 1399.916 ms 1 1215 0.13 MB/sec execute 55 sec latency 108.316 ms 1 1262 0.13 MB/sec execute 56 sec latency 100.694 ms test_26 fail mds2 2 times 1 1389 0.18 MB/sec execute 57 sec latency 91.215 ms 1 1418 0.17 MB/sec execute 58 sec latency 144.184 ms Failing mds2 on oleg337-server 1 1447 0.17 MB/sec execute 59 sec latency 131.848 ms Stopping /mnt/lustre-mds2 (opts:) on oleg337-server 1 1492 0.17 MB/sec execute 60 sec latency 107.469 ms 1 1516 0.17 MB/sec execute 61 sec latency 127.658 ms 1 1570 0.16 MB/sec execute 62 sec latency 53.030 ms 1 1632 0.16 MB/sec execute 63 sec latency 83.012 ms 1 1672 0.16 MB/sec execute 64 sec latency 136.423 ms 1 1770 0.16 MB/sec execute 65 sec latency 65.700 ms 1 1830 0.16 MB/sec execute 66 sec latency 90.408 ms 1 1869 0.16 MB/sec execute 67 sec latency 122.760 ms 1 1941 0.15 MB/sec execute 68 sec latency 106.217 ms 1 1996 0.15 MB/sec execute 69 sec latency 106.548 ms 11:18:11 (1788275891) shut down facet: mds2 facet_host: oleg337-server facet_failover_host: oleg337-server 1 2083 0.15 MB/sec execute 70 sec latency 92.949 ms 1 2156 0.15 MB/sec execute 71 sec latency 82.671 ms 1 2212 0.15 MB/sec execute 72 sec latency 92.021 ms 1 2259 0.15 MB/sec execute 73 sec latency 618.076 ms 1 2259 0.15 MB/sec execute 74 sec latency 1618.276 ms 1 2259 0.14 MB/sec execute 75 sec latency 2618.628 ms 1 2259 0.14 MB/sec execute 76 sec latency 3618.827 ms 1 2259 0.14 MB/sec execute 77 sec latency 4619.053 ms 1 2259 0.14 MB/sec execute 78 sec latency 5619.650 ms 1 2259 0.14 MB/sec execute 79 sec latency 6619.842 ms Failover mds2 to oleg337-server mount facets: mds2 1 2259 0.14 MB/sec execute 80 sec latency 7620.747 ms 1 2259 0.13 MB/sec execute 81 sec latency 8621.656 ms 1 2259 0.13 MB/sec execute 82 sec latency 9622.593 ms 1 2259 0.13 MB/sec execute 83 sec latency 10626.219 ms 1 2259 0.13 MB/sec execute 84 sec latency 11626.419 ms 1 2259 0.13 MB/sec execute 85 sec latency 12626.616 ms 1 2259 0.13 MB/sec execute 86 sec latency 13628.816 ms 1 2259 0.12 MB/sec execute 87 sec latency 14629.112 ms 1 2259 0.12 MB/sec execute 88 sec latency 15629.334 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 89 sec latency 16632.621 ms 1 2259 0.12 MB/sec execute 90 sec latency 17632.817 ms 1 2259 0.12 MB/sec execute 91 sec latency 18634.045 ms 1 2259 0.12 MB/sec execute 92 sec latency 19634.368 ms 1 2259 0.12 MB/sec execute 93 sec latency 20634.624 ms 1 2259 0.12 MB/sec execute 94 sec latency 21635.093 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 95 sec latency 22638.560 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 96 sec latency 23640.297 ms Started lustre-MDT0001 11:18:39 (1788275919) targets are mounted 1 2287 0.12 MB/sec execute 97 sec latency 24292.891 ms 11:18:39 (1788275919) facet_failover done 1 2352 0.12 MB/sec execute 98 sec latency 89.713 ms 1 2388 0.12 MB/sec execute 99 sec latency 111.362 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 342 132.397 24292.870 Close 296 132.534 35368.840 Rename 13 108.648 256.605 Unlink 33 26.966 48.250 Qpathinfo 317 17.416 156.328 Qfileinfo 82 2.362 34.254 Qfsinfo 39 7.750 46.762 Sfileinfo 43 75.163 199.626 Find 107 15.122 93.403 WriteX 280 15.865 136.409 ReadX 381 3.374 133.411 Flush 33 77.612 134.768 Throughput 0.121604 MB/sec 1 clients 1 procs max_latency=35368.865 ms stopping dbench on /mnt/lustre at Tue Sep 1 11:18:46 EDT 2026 with return code 0 oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-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-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 Tue Sep 1 11:18:56 EDT 2026 waiting for dbench pid 67817 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2240 1269064 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2164 1269140 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 27032 3577684 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20196 3586508 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7164192 1% /mnt/lustre 0 3 0.00 MB/sec warmup 1 sec latency 688.066 ms 1 31 0.52 MB/sec warmup 2 sec latency 15.768 ms 1 71 1.05 MB/sec warmup 3 sec latency 137.507 ms 1 111 1.31 MB/sec warmup 4 sec latency 177.651 ms 1 130 1.15 MB/sec warmup 5 sec latency 292.337 ms 1 150 1.05 MB/sec warmup 6 sec latency 257.822 ms 1 184 1.05 MB/sec warmup 7 sec latency 160.112 ms 1 189 0.94 MB/sec warmup 8 sec latency 509.576 ms 1 231 0.98 MB/sec warmup 9 sec latency 134.145 ms 1 272 1.02 MB/sec warmup 10 sec latency 112.470 ms 1 311 1.04 MB/sec warmup 11 sec latency 154.449 ms test_26 fail mds1 3 times 1 339 1.02 MB/sec warmup 12 sec latency 212.036 ms 1 366 1.00 MB/sec warmup 13 sec latency 160.271 ms Failing mds1 on oleg337-server 1 412 1.04 MB/sec warmup 14 sec latency 118.858 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 454 1.06 MB/sec warmup 15 sec latency 132.495 ms 1 460 1.01 MB/sec warmup 16 sec latency 960.570 ms 1 460 0.95 MB/sec warmup 17 sec latency 1960.814 ms 1 460 0.90 MB/sec warmup 18 sec latency 2962.187 ms 1 460 0.85 MB/sec warmup 19 sec latency 3962.682 ms 1 460 0.00 MB/sec execute 1 sec latency 5963.155 ms 1 460 0.00 MB/sec execute 2 sec latency 6963.356 ms 1 460 0.00 MB/sec execute 3 sec latency 7972.339 ms 11:19:20 (1788275960) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 460 0.00 MB/sec execute 4 sec latency 8972.570 ms 1 460 0.00 MB/sec execute 5 sec latency 9972.917 ms 1 460 0.00 MB/sec execute 6 sec latency 10973.121 ms 1 460 0.00 MB/sec execute 7 sec latency 11975.790 ms 1 460 0.00 MB/sec execute 8 sec latency 12976.258 ms 1 460 0.00 MB/sec execute 9 sec latency 13976.838 ms 1 460 0.00 MB/sec execute 10 sec latency 14977.106 ms 1 460 0.00 MB/sec execute 11 sec latency 15980.204 ms 1 460 0.00 MB/sec execute 12 sec latency 16980.768 ms 1 460 0.00 MB/sec execute 13 sec latency 17980.967 ms Failover mds1 to oleg337-server mount facets: mds1 1 460 0.00 MB/sec execute 14 sec latency 18985.868 ms 1 460 0.00 MB/sec execute 15 sec latency 19986.818 ms 1 460 0.00 MB/sec execute 16 sec latency 20987.133 ms 1 460 0.00 MB/sec execute 17 sec latency 21987.462 ms 1 460 0.00 MB/sec execute 18 sec latency 22988.616 ms 1 460 0.00 MB/sec execute 19 sec latency 23988.767 ms 1 460 0.00 MB/sec execute 20 sec latency 24988.950 ms 1 460 0.00 MB/sec execute 21 sec latency 25995.031 ms 1 460 0.00 MB/sec execute 22 sec latency 26995.761 ms 1 460 0.00 MB/sec execute 23 sec latency 27996.504 ms 1 460 0.00 MB/sec execute 24 sec latency 28998.785 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 25 sec latency 30001.153 ms 1 460 0.00 MB/sec execute 26 sec latency 31001.472 ms 1 460 0.00 MB/sec execute 27 sec latency 32002.077 ms 1 460 0.00 MB/sec execute 28 sec latency 33003.763 ms 1 460 0.00 MB/sec execute 29 sec latency 34006.647 ms 1 460 0.00 MB/sec execute 30 sec latency 35007.124 ms 1 460 0.00 MB/sec execute 31 sec latency 36008.224 ms 1 460 0.00 MB/sec execute 32 sec latency 37010.188 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 33 sec latency 38010.360 ms 1 460 0.00 MB/sec execute 34 sec latency 39011.316 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 35 sec latency 40011.501 ms Started lustre-MDT0000 11:19:52 (1788275992) targets are mounted 11:19:52 (1788275992) facet_failover done 1 461 0.00 MB/sec execute 36 sec latency 40836.788 ms 1 488 0.02 MB/sec execute 37 sec latency 303.147 ms 1 513 0.04 MB/sec execute 38 sec latency 176.479 ms 1 552 0.08 MB/sec execute 39 sec latency 195.154 ms 1 616 0.12 MB/sec execute 40 sec latency 465.576 ms 1 664 0.12 MB/sec execute 41 sec latency 107.312 ms 1 689 0.12 MB/sec execute 42 sec latency 166.207 ms 1 713 0.12 MB/sec execute 43 sec latency 201.967 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 747 0.12 MB/sec execute 44 sec latency 159.252 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 778 0.12 MB/sec execute 45 sec latency 192.453 ms 1 803 0.12 MB/sec execute 46 sec latency 196.393 ms 1 825 0.11 MB/sec execute 47 sec latency 136.992 ms 1 874 0.11 MB/sec execute 48 sec latency 145.169 ms 1 900 0.11 MB/sec execute 49 sec latency 146.761 ms 1 923 0.11 MB/sec execute 50 sec latency 154.692 ms 1 963 0.11 MB/sec execute 51 sec latency 113.045 ms 1 995 0.11 MB/sec execute 52 sec latency 97.803 ms 1 1063 0.13 MB/sec execute 53 sec latency 95.046 ms 1 1119 0.13 MB/sec execute 54 sec latency 94.623 ms 1 1147 0.12 MB/sec execute 55 sec latency 121.802 ms 1 1172 0.12 MB/sec execute 56 sec latency 633.650 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1198 0.12 MB/sec execute 57 sec latency 981.389 ms 1 1236 0.12 MB/sec execute 58 sec latency 94.320 ms 1 1278 0.12 MB/sec execute 59 sec latency 109.642 ms 1 1401 0.16 MB/sec execute 60 sec latency 173.715 ms 1 1433 0.16 MB/sec execute 61 sec latency 155.003 ms 1 1481 0.16 MB/sec execute 62 sec latency 169.722 ms 1 1512 0.16 MB/sec execute 63 sec latency 184.812 ms 1 1567 0.16 MB/sec execute 64 sec latency 87.565 ms 1 1604 0.15 MB/sec execute 65 sec latency 84.303 ms 1 1651 0.15 MB/sec execute 66 sec latency 105.309 ms 1 1691 0.15 MB/sec execute 67 sec latency 105.699 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 1 11:20:24 EDT 2026 with return code 0 67817 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67817 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished