== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:12:35 (1790925155) Starting client oleg457-client.virtnet: -o user_xattr,flock 192.168.204.157@tcp:/lustre /mnt/lustre Started clients oleg457-client.virtnet: 192.168.204.157@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,statfs_project,nosync_on_close,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65729 Started dbench loop with 65730 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 5660 3593044 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7198520 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 Oct 2 03:12:42 EDT 2026 waiting for dbench pid 65818 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 10 0.00 MB/sec warmup 1 sec latency 25.380 ms 1 51 1.05 MB/sec warmup 2 sec latency 175.743 ms 1 91 1.40 MB/sec warmup 3 sec latency 148.621 ms 1 121 1.38 MB/sec warmup 4 sec latency 265.464 ms 1 143 1.22 MB/sec warmup 5 sec latency 236.824 ms 1 155 1.09 MB/sec warmup 6 sec latency 659.252 ms 1 176 1.01 MB/sec warmup 7 sec latency 787.522 ms 1 190 0.95 MB/sec warmup 8 sec latency 542.015 ms 1 220 0.94 MB/sec warmup 9 sec latency 173.749 ms test_26 fail mds1 1 times 1 256 0.97 MB/sec warmup 10 sec latency 142.757 ms 1 289 0.97 MB/sec warmup 11 sec latency 163.795 ms Failing mds1 on oleg457-server 1 313 0.96 MB/sec warmup 12 sec latency 183.328 ms 1 339 0.94 MB/sec warmup 13 sec latency 185.753 ms Stopping /mnt/lustre-mds1 (opts:) on oleg457-server 1 365 0.93 MB/sec warmup 14 sec latency 171.385 ms 1 380 0.90 MB/sec warmup 15 sec latency 428.418 ms 1 380 0.85 MB/sec warmup 16 sec latency 1434.293 ms 1 380 0.80 MB/sec warmup 17 sec latency 2437.489 ms 03:13:00 (1790925180) shut down facet: mds1 facet_host: oleg457-server facet_failover_host: oleg457-server 1 380 0.75 MB/sec warmup 18 sec latency 3441.931 ms 1 380 0.71 MB/sec warmup 19 sec latency 4442.563 ms 1 380 0.00 MB/sec execute 1 sec latency 6442.985 ms 1 380 0.00 MB/sec execute 2 sec latency 7444.164 ms 1 380 0.00 MB/sec execute 3 sec latency 8444.429 ms 1 380 0.00 MB/sec execute 4 sec latency 9444.659 ms 1 380 0.00 MB/sec execute 5 sec latency 10444.947 ms 1 380 0.00 MB/sec execute 6 sec latency 11445.528 ms 1 380 0.00 MB/sec execute 7 sec latency 12447.576 ms Failover mds1 to oleg457-server mount facets: mds1 1 380 0.00 MB/sec execute 8 sec latency 13452.375 ms 1 380 0.00 MB/sec execute 9 sec latency 14452.572 ms 1 380 0.00 MB/sec execute 10 sec latency 15453.861 ms 1 380 0.00 MB/sec execute 11 sec latency 16454.113 ms 1 380 0.00 MB/sec execute 12 sec latency 17455.300 ms 1 380 0.00 MB/sec execute 13 sec latency 18455.776 ms 1 380 0.00 MB/sec execute 14 sec latency 19457.272 ms 1 380 0.00 MB/sec execute 15 sec latency 20458.072 ms 1 380 0.00 MB/sec execute 16 sec latency 21458.248 ms 1 380 0.00 MB/sec execute 17 sec latency 22458.498 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 380 0.00 MB/sec execute 18 sec latency 23458.970 ms 1 380 0.00 MB/sec execute 19 sec latency 24459.339 ms 1 380 0.00 MB/sec execute 20 sec latency 25471.099 ms 1 380 0.00 MB/sec execute 21 sec latency 26471.442 ms 1 380 0.00 MB/sec execute 22 sec latency 27472.810 ms 1 380 0.00 MB/sec execute 23 sec latency 28474.111 ms 1 380 0.00 MB/sec execute 24 sec latency 29474.454 ms 1 380 0.00 MB/sec execute 25 sec latency 30476.415 ms 1 380 0.00 MB/sec execute 26 sec latency 31477.488 ms 1 380 0.00 MB/sec execute 27 sec latency 32478.072 ms 1 380 0.00 MB/sec execute 28 sec latency 33481.234 ms 1 380 0.00 MB/sec execute 29 sec latency 34482.922 ms 1 380 0.00 MB/sec execute 30 sec latency 35483.488 ms 1 380 0.00 MB/sec execute 31 sec latency 36483.903 ms oleg457-server: oleg457-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 32 sec latency 37484.282 ms 1 380 0.00 MB/sec execute 33 sec latency 38485.295 ms pdsh@oleg457-client: oleg457-server: ssh exited with exit code 1 1 380 0.00 MB/sec execute 34 sec latency 39487.003 ms Started lustre-MDT0000 03:13:37 (1790925217) targets are mounted 03:13:37 (1790925217) facet_failover done 1 396 0.01 MB/sec execute 35 sec latency 39934.525 ms 1 437 0.05 MB/sec execute 36 sec latency 106.699 ms 1 470 0.08 MB/sec execute 37 sec latency 145.303 ms 1 501 0.10 MB/sec execute 38 sec latency 175.367 ms 1 522 0.11 MB/sec execute 39 sec latency 193.361 ms 1 552 0.14 MB/sec execute 40 sec latency 440.650 ms 1 612 0.18 MB/sec execute 41 sec latency 660.189 ms 1 658 0.18 MB/sec execute 42 sec latency 109.743 ms oleg457-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 695 0.18 MB/sec execute 43 sec latency 125.429 ms 1 717 0.18 MB/sec execute 44 sec latency 158.779 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 741 0.17 MB/sec execute 45 sec latency 129.007 ms 1 778 0.17 MB/sec execute 46 sec latency 146.352 ms 1 806 0.17 MB/sec execute 47 sec latency 139.854 ms 1 845 0.17 MB/sec execute 48 sec latency 143.997 ms 1 876 0.17 MB/sec execute 49 sec latency 111.458 ms 1 902 0.16 MB/sec execute 50 sec latency 121.016 ms 1 933 0.16 MB/sec execute 51 sec latency 147.349 ms 1 970 0.16 MB/sec execute 52 sec latency 128.406 ms UUID 1K-blocks Used Available Use% Mounted on 1 999 0.16 MB/sec execute 53 sec latency 143.705 ms lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1932 1269372 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44460 3556976 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 7284 3596936 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51744 7153912 1% /mnt/lustre 1 1050 0.17 MB/sec execute 54 sec latency 120.416 ms 1 1085 0.17 MB/sec execute 55 sec latency 86.487 ms 1 1127 0.17 MB/sec execute 56 sec latency 97.542 ms 1 1147 0.17 MB/sec execute 57 sec latency 139.049 ms 1 1172 0.16 MB/sec execute 58 sec latency 359.834 ms 1 1172 0.16 MB/sec execute 59 sec latency 1363.215 ms 1 1190 0.16 MB/sec execute 60 sec latency 1451.067 ms 1 1224 0.16 MB/sec execute 61 sec latency 108.039 ms 1 1259 0.15 MB/sec execute 62 sec latency 118.584 ms 1 1382 0.20 MB/sec execute 63 sec latency 158.446 ms 1 1405 0.19 MB/sec execute 64 sec latency 100.398 ms 1 1451 0.19 MB/sec execute 65 sec latency 132.307 ms test_26 fail mds2 2 times 1 1492 0.19 MB/sec execute 66 sec latency 153.257 ms 1 1518 0.19 MB/sec execute 67 sec latency 120.655 ms Failing mds2 on oleg457-server 1 1556 0.18 MB/sec execute 68 sec latency 116.724 ms Stopping /mnt/lustre-mds2 (opts:) on oleg457-server 1 1603 0.18 MB/sec execute 69 sec latency 109.507 ms 1 1643 0.18 MB/sec execute 70 sec latency 121.569 ms 1 1668 0.18 MB/sec execute 71 sec latency 136.667 ms 1 1698 0.18 MB/sec execute 72 sec latency 160.383 ms 1 1757 0.17 MB/sec execute 73 sec latency 102.154 ms 03:14:16 (1790925256) shut down facet: mds2 facet_host: oleg457-server facet_failover_host: oleg457-server 1 1805 0.17 MB/sec execute 74 sec latency 111.112 ms 1 1857 0.17 MB/sec execute 75 sec latency 89.521 ms 1 1920 0.17 MB/sec execute 76 sec latency 103.982 ms 1 1978 0.17 MB/sec execute 77 sec latency 93.019 ms 1 2033 0.17 MB/sec execute 78 sec latency 102.402 ms 1 2107 0.17 MB/sec execute 79 sec latency 126.633 ms 1 2156 0.16 MB/sec execute 80 sec latency 118.649 ms 1 2198 0.16 MB/sec execute 81 sec latency 120.595 ms 1 2259 0.16 MB/sec execute 82 sec latency 402.181 ms 1 2259 0.16 MB/sec execute 83 sec latency 1405.296 ms 1 2259 0.16 MB/sec execute 84 sec latency 2405.774 ms Failover mds2 to oleg457-server mount facets: mds2 1 2259 0.16 MB/sec execute 85 sec latency 3406.070 ms 1 2259 0.15 MB/sec execute 86 sec latency 4407.170 ms 1 2259 0.15 MB/sec execute 87 sec latency 5407.648 ms 1 2259 0.15 MB/sec execute 88 sec latency 6407.937 ms 1 2259 0.15 MB/sec execute 89 sec latency 7408.880 ms 1 2259 0.15 MB/sec execute 90 sec latency 8411.781 ms 1 2259 0.15 MB/sec execute 91 sec latency 9413.069 ms 1 2259 0.14 MB/sec execute 92 sec latency 10413.901 ms 1 2259 0.14 MB/sec execute 93 sec latency 11414.805 ms 1 2259 0.14 MB/sec execute 94 sec latency 12415.837 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 95 sec latency 13420.134 ms 1 2259 0.14 MB/sec execute 96 sec latency 14420.793 ms 1 2259 0.14 MB/sec execute 97 sec latency 15422.123 ms 1 2259 0.13 MB/sec execute 98 sec latency 16424.250 ms 1 2259 0.13 MB/sec execute 99 sec latency 17424.847 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg457-server: oleg457-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec pdsh@oleg457-client: oleg457-server: ssh exited with exit code 1 1 cleanup 104 sec 1 cleanup 105 sec Started lustre-MDT0001 03:14:48 (1790925288) targets are mounted 03:14:48 (1790925288) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 110 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 137.330 23885.159 Close 292 150.316 39934.490 Rename 11 107.120 155.539 Unlink 30 33.553 91.329 Qpathinfo 295 17.789 132.879 Qfileinfo 84 2.392 40.873 Qfsinfo 33 6.091 42.273 Sfileinfo 34 72.262 158.424 Find 92 15.321 87.925 WriteX 296 15.464 90.837 ReadX 348 2.947 143.976 Flush 30 57.768 125.408 Throughput 0.133336 MB/sec 1 clients 1 procs max_latency=39934.525 ms stopping dbench on /mnt/lustre at Fri Oct 2 03:14:52 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg457-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-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 Fri Oct 2 03:15:02 EDT 2026 waiting for dbench pid 67881 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 18 0.26 MB/sec warmup 1 sec latency 20.695 ms 1 71 1.57 MB/sec warmup 2 sec latency 126.103 ms 1 121 1.83 MB/sec warmup 3 sec latency 132.837 ms 1 147 1.57 MB/sec warmup 4 sec latency 248.775 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2160 1269144 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44076 3560556 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2560 3604348 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164904 1% /mnt/lustre 1 170 1.38 MB/sec warmup 5 sec latency 205.993 ms 1 184 1.23 MB/sec warmup 6 sec latency 371.088 ms 1 207 1.16 MB/sec warmup 7 sec latency 589.134 ms 1 242 1.14 MB/sec warmup 8 sec latency 135.016 ms 1 279 1.16 MB/sec warmup 9 sec latency 134.721 ms 1 305 1.12 MB/sec warmup 10 sec latency 180.661 ms 1 331 1.09 MB/sec warmup 11 sec latency 202.318 ms 1 368 1.08 MB/sec warmup 12 sec latency 116.835 ms 1 413 1.12 MB/sec warmup 13 sec latency 110.954 ms 1 453 1.13 MB/sec warmup 14 sec latency 134.029 ms 1 485 1.13 MB/sec warmup 15 sec latency 132.576 ms 1 522 1.13 MB/sec warmup 16 sec latency 139.012 ms test_26 fail mds1 3 times 1 603 1.23 MB/sec warmup 17 sec latency 127.701 ms 1 653 1.17 MB/sec warmup 18 sec latency 135.813 ms 1 678 1.11 MB/sec warmup 19 sec latency 185.730 ms Failing mds1 on oleg457-server Stopping /mnt/lustre-mds1 (opts:) on oleg457-server 1 733 0.11 MB/sec execute 1 sec latency 166.199 ms 1 770 0.08 MB/sec execute 2 sec latency 112.701 ms 1 808 0.09 MB/sec execute 3 sec latency 146.122 ms 1 870 0.11 MB/sec execute 4 sec latency 102.562 ms 03:15:26 (1790925326) shut down facet: mds1 facet_host: oleg457-server facet_failover_host: oleg457-server 1 884 0.09 MB/sec execute 5 sec latency 326.940 ms 1 885 0.08 MB/sec execute 6 sec latency 1229.850 ms 1 916 0.08 MB/sec execute 7 sec latency 176.667 ms 1 962 0.08 MB/sec execute 8 sec latency 106.165 ms 1 995 0.08 MB/sec execute 9 sec latency 106.974 ms 1 995 0.07 MB/sec execute 10 sec latency 1048.001 ms 1 995 0.06 MB/sec execute 11 sec latency 2048.452 ms 1 995 0.06 MB/sec execute 12 sec latency 3048.745 ms 1 995 0.05 MB/sec execute 13 sec latency 4050.128 ms 1 995 0.05 MB/sec execute 14 sec latency 5050.325 ms Failover mds1 to oleg457-server mount facets: mds1 1 995 0.05 MB/sec execute 15 sec latency 6055.425 ms 1 995 0.04 MB/sec execute 16 sec latency 7055.763 ms 1 995 0.04 MB/sec execute 17 sec latency 8055.993 ms 1 995 0.04 MB/sec execute 18 sec latency 9056.292 ms 1 995 0.04 MB/sec execute 19 sec latency 10066.856 ms 1 995 0.04 MB/sec execute 20 sec latency 11068.550 ms 1 995 0.03 MB/sec execute 21 sec latency 12072.483 ms 1 995 0.03 MB/sec execute 22 sec latency 13096.695 ms 1 995 0.03 MB/sec execute 23 sec latency 14100.927 ms 1 995 0.03 MB/sec execute 24 sec latency 15101.292 ms 1 995 0.03 MB/sec execute 25 sec latency 16101.619 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 995 0.03 MB/sec execute 26 sec latency 17102.288 ms 1 995 0.03 MB/sec execute 27 sec latency 18103.147 ms 1 995 0.03 MB/sec execute 28 sec latency 19103.385 ms 1 995 0.02 MB/sec execute 29 sec latency 20103.706 ms 1 995 0.02 MB/sec execute 30 sec latency 21104.446 ms 1 995 0.02 MB/sec execute 31 sec latency 22108.895 ms 1 995 0.02 MB/sec execute 32 sec latency 23109.150 ms 1 995 0.02 MB/sec execute 33 sec latency 24110.440 ms 1 995 0.02 MB/sec execute 34 sec latency 25110.699 ms 1 995 0.02 MB/sec execute 35 sec latency 26111.493 ms 1 995 0.02 MB/sec execute 36 sec latency 27112.266 ms oleg457-server: oleg457-server.virtnet: executing set_default_debug -1 all 1 995 0.02 MB/sec execute 37 sec latency 28112.794 ms pdsh@oleg457-client: oleg457-server: ssh exited with exit code 1 1 995 0.02 MB/sec execute 38 sec latency 29120.511 ms 1 1011 0.03 MB/sec execute 39 sec latency 29393.743 ms Started lustre-MDT0000 03:16:01 (1790925361) targets are mounted 03:16:01 (1790925361) facet_failover done 1 1076 0.04 MB/sec execute 40 sec latency 272.084 ms 1 1127 0.04 MB/sec execute 41 sec latency 87.073 ms 1 1156 0.04 MB/sec execute 42 sec latency 197.970 ms 1 1196 0.04 MB/sec execute 43 sec latency 82.361 ms 1 1230 0.04 MB/sec execute 44 sec latency 95.930 ms 1 1263 0.04 MB/sec execute 45 sec latency 102.982 ms 1 1391 0.10 MB/sec execute 46 sec latency 113.104 ms oleg457-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1421 0.10 MB/sec execute 47 sec latency 171.676 ms 1 1461 0.10 MB/sec execute 48 sec latency 93.496 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1486 0.10 MB/sec execute 49 sec latency 427.974 ms 1 1515 0.10 MB/sec execute 50 sec latency 117.747 ms 1 1560 0.10 MB/sec execute 51 sec latency 91.743 ms 1 1607 0.10 MB/sec execute 52 sec latency 146.623 ms 1 1646 0.09 MB/sec execute 53 sec latency 134.574 ms 1 1684 0.09 MB/sec execute 54 sec latency 132.295 ms 1 1723 0.09 MB/sec execute 55 sec latency 146.646 ms 1 1775 0.09 MB/sec execute 56 sec latency 111.479 ms 1 1821 0.09 MB/sec execute 57 sec latency 128.764 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1868 0.09 MB/sec execute 58 sec latency 80.676 ms 1 1927 0.09 MB/sec execute 59 sec latency 105.563 ms 1 1980 0.09 MB/sec execute 60 sec latency 118.186 ms 1 2018 0.09 MB/sec execute 61 sec latency 109.134 ms 1 2069 0.09 MB/sec execute 62 sec latency 105.790 ms 1 2139 0.09 MB/sec execute 63 sec latency 140.223 ms 1 2177 0.09 MB/sec execute 64 sec latency 179.411 ms 1 2231 0.09 MB/sec execute 65 sec latency 149.461 ms 1 2336 0.10 MB/sec execute 66 sec latency 62.498 ms 1 2367 0.10 MB/sec execute 67 sec latency 124.906 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Oct 2 03:16:30 EDT 2026 with return code 0 1 2405 0.10 MB/sec execute 68 sec latency 133.742 ms 67881 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67881 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished