== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:07:37 (1789603657) Starting client oleg623-client.virtnet: -o user_xattr,flock 192.168.206.123@tcp:/lustre /mnt/lustre Started clients oleg623-client.virtnet: 192.168.206.123@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 45148 Started dbench loop with 45149 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 18432 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7488512 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 Sep 16 20:07:42 EDT 2026 waiting for dbench pid 45216 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 27 0.85 MB/sec warmup 1 sec latency 182.080 ms 1 79 1.76 MB/sec warmup 2 sec latency 145.694 ms 1 122 1.83 MB/sec warmup 3 sec latency 244.425 ms 1 155 1.63 MB/sec warmup 4 sec latency 144.781 ms 1 189 1.51 MB/sec warmup 5 sec latency 160.153 ms test_26 fail mds1 1 times 1 231 1.48 MB/sec warmup 6 sec latency 93.681 ms 1 266 1.41 MB/sec warmup 7 sec latency 152.790 ms Failing mds1 on oleg623-server 1 298 1.37 MB/sec warmup 8 sec latency 125.963 ms Stopping /mnt/lustre-mds1 (opts:) on oleg623-server 1 331 1.33 MB/sec warmup 9 sec latency 175.875 ms 1 357 1.28 MB/sec warmup 10 sec latency 303.547 ms 1 357 1.16 MB/sec warmup 11 sec latency 1303.874 ms 1 357 1.06 MB/sec warmup 12 sec latency 2304.406 ms 20:07:55 (1789603675) shut down facet: mds1 facet_host: oleg623-server facet_failover_host: oleg623-server 1 357 0.98 MB/sec warmup 13 sec latency 3307.972 ms 1 357 0.91 MB/sec warmup 14 sec latency 4309.423 ms 1 357 0.85 MB/sec warmup 15 sec latency 5310.702 ms 1 357 0.80 MB/sec warmup 16 sec latency 6310.904 ms 1 357 0.75 MB/sec warmup 17 sec latency 7311.096 ms 1 357 0.71 MB/sec warmup 18 sec latency 8313.485 ms 1 357 0.67 MB/sec warmup 19 sec latency 9313.757 ms 1 357 0.00 MB/sec execute 1 sec latency 11314.172 ms 1 357 0.00 MB/sec execute 2 sec latency 12314.449 ms Failover mds1 to oleg623-server mount facets: mds1 1 357 0.00 MB/sec execute 3 sec latency 13315.512 ms 1 357 0.00 MB/sec execute 4 sec latency 14315.778 ms 1 357 0.00 MB/sec execute 5 sec latency 15316.875 ms 1 357 0.00 MB/sec execute 6 sec latency 16320.200 ms 1 357 0.00 MB/sec execute 7 sec latency 17321.766 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 357 0.00 MB/sec execute 8 sec latency 18322.189 ms 1 357 0.00 MB/sec execute 9 sec latency 19322.338 ms 1 357 0.00 MB/sec execute 10 sec latency 20324.870 ms 1 357 0.00 MB/sec execute 11 sec latency 21325.033 ms 1 357 0.00 MB/sec execute 12 sec latency 22326.229 ms oleg623-server: oleg623-server.virtnet: executing set_default_debug -1 all 1 357 0.00 MB/sec execute 13 sec latency 23326.370 ms 1 373 0.04 MB/sec execute 14 sec latency 24035.807 ms pdsh@oleg623-client: oleg623-server: ssh exited with exit code 1 1 413 0.12 MB/sec execute 15 sec latency 171.900 ms Started lustre-MDT0000 20:08:18 (1789603698) targets are mounted 20:08:18 (1789603698) facet_failover done 1 460 0.21 MB/sec execute 16 sec latency 111.794 ms 1 504 0.28 MB/sec execute 17 sec latency 117.759 ms 1 583 0.39 MB/sec execute 18 sec latency 122.828 ms 1 640 0.44 MB/sec execute 19 sec latency 149.901 ms 1 666 0.42 MB/sec execute 20 sec latency 210.946 ms 1 691 0.40 MB/sec execute 21 sec latency 142.039 ms 1 726 0.39 MB/sec execute 22 sec latency 163.751 ms oleg623-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.37 MB/sec execute 23 sec latency 117.421 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.36 MB/sec execute 24 sec latency 169.177 ms 1 816 0.35 MB/sec execute 25 sec latency 184.508 ms 1 870 0.34 MB/sec execute 26 sec latency 94.906 ms 1 903 0.33 MB/sec execute 27 sec latency 156.192 ms 1 928 0.32 MB/sec execute 28 sec latency 292.374 ms 1 980 0.31 MB/sec execute 29 sec latency 167.814 ms 1 1039 0.34 MB/sec execute 30 sec latency 192.067 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3697664 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 17408 3721216 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 57344 7418880 1% /mnt/lustre 1 1090 0.33 MB/sec execute 31 sec latency 85.061 ms 1 1147 0.32 MB/sec execute 32 sec latency 80.777 ms 1 1190 0.31 MB/sec execute 33 sec latency 99.623 ms 1 1242 0.30 MB/sec execute 34 sec latency 100.162 ms 1 1384 0.38 MB/sec execute 35 sec latency 114.976 ms test_26 fail mds1 2 times 1 1451 0.37 MB/sec execute 36 sec latency 75.162 ms 1 1499 0.36 MB/sec execute 37 sec latency 239.900 ms Failing mds1 on oleg623-server 1 1546 0.35 MB/sec execute 38 sec latency 101.950 ms Stopping /mnt/lustre-mds1 (opts:) on oleg623-server 1 1605 0.34 MB/sec execute 39 sec latency 141.873 ms 1 1605 0.33 MB/sec execute 40 sec latency 1142.067 ms 1 1605 0.33 MB/sec execute 41 sec latency 2142.269 ms 20:08:44 (1789603724) shut down facet: mds1 facet_host: oleg623-server facet_failover_host: oleg623-server 1 1605 0.32 MB/sec execute 42 sec latency 3142.387 ms 1 1605 0.31 MB/sec execute 43 sec latency 4142.597 ms 1 1605 0.30 MB/sec execute 44 sec latency 5142.839 ms 1 1605 0.30 MB/sec execute 45 sec latency 6143.518 ms 1 1605 0.29 MB/sec execute 46 sec latency 7143.691 ms 1 1605 0.28 MB/sec execute 47 sec latency 8145.929 ms 1 1605 0.28 MB/sec execute 48 sec latency 9146.178 ms 1 1605 0.27 MB/sec execute 49 sec latency 10146.357 ms 1 1605 0.27 MB/sec execute 50 sec latency 11148.784 ms 1 1605 0.26 MB/sec execute 51 sec latency 12148.972 ms 1 1605 0.26 MB/sec execute 52 sec latency 13149.147 ms Failover mds1 to oleg623-server mount facets: mds1 1 1605 0.25 MB/sec execute 53 sec latency 14149.317 ms 1 1605 0.25 MB/sec execute 54 sec latency 15149.511 ms 1 1605 0.24 MB/sec execute 55 sec latency 16150.216 ms 1 1605 0.24 MB/sec execute 56 sec latency 17150.405 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1605 0.23 MB/sec execute 57 sec latency 18150.879 ms 1 1605 0.23 MB/sec execute 58 sec latency 19151.474 ms 1 1605 0.23 MB/sec execute 59 sec latency 20151.649 ms 1 1605 0.22 MB/sec execute 60 sec latency 21151.822 ms 1 1605 0.22 MB/sec execute 61 sec latency 22152.502 ms 1 1605 0.22 MB/sec execute 62 sec latency 23153.846 ms 1 1605 0.21 MB/sec execute 63 sec latency 24154.099 ms 1 1605 0.21 MB/sec execute 64 sec latency 25154.513 ms 1 1605 0.21 MB/sec execute 65 sec latency 26154.707 ms 1 1605 0.20 MB/sec execute 66 sec latency 27154.930 ms 1 1605 0.20 MB/sec execute 67 sec latency 28155.422 ms 1 1605 0.20 MB/sec execute 68 sec latency 29155.726 ms 1 1605 0.19 MB/sec execute 69 sec latency 30155.906 ms 1 1605 0.19 MB/sec execute 70 sec latency 31156.440 ms oleg623-server: oleg623-server.virtnet: executing set_default_debug -1 all 1 1605 0.19 MB/sec execute 71 sec latency 32157.375 ms pdsh@oleg623-client: oleg623-server: ssh exited with exit code 1 1 1605 0.19 MB/sec execute 72 sec latency 33158.098 ms Started lustre-MDT0000 20:09:15 (1789603755) targets are mounted 20:09:15 (1789603755) facet_failover done 1 1605 0.18 MB/sec execute 73 sec latency 34160.783 ms 1 1605 0.18 MB/sec execute 74 sec latency 35160.961 ms 1 1605 0.18 MB/sec execute 75 sec latency 36162.107 ms 1 1605 0.18 MB/sec execute 76 sec latency 37162.277 ms 1 1605 0.17 MB/sec execute 77 sec latency 38162.442 ms 1 1605 0.17 MB/sec execute 78 sec latency 39162.616 ms 1 1605 0.17 MB/sec execute 79 sec latency 40162.844 ms 1 1605 0.17 MB/sec execute 80 sec latency 41164.780 ms 1 1605 0.16 MB/sec execute 81 sec latency 42165.016 ms 1 1605 0.16 MB/sec execute 82 sec latency 43165.188 ms 1 1619 0.16 MB/sec execute 83 sec latency 43602.917 ms 1 1653 0.16 MB/sec execute 84 sec latency 230.890 ms 1 1689 0.16 MB/sec execute 85 sec latency 121.234 ms 1 1758 0.16 MB/sec execute 86 sec latency 90.791 ms 1 1825 0.16 MB/sec execute 87 sec latency 91.104 ms oleg623-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1884 0.15 MB/sec execute 88 sec latency 76.177 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1939 0.15 MB/sec execute 89 sec latency 206.767 ms 1 2002 0.15 MB/sec execute 90 sec latency 95.255 ms 1 2063 0.15 MB/sec execute 91 sec latency 108.946 ms 1 2148 0.15 MB/sec execute 92 sec latency 83.043 ms 1 2195 0.15 MB/sec execute 93 sec latency 88.531 ms 1 2295 0.16 MB/sec execute 94 sec latency 98.262 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2816 2205696 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 44032 3710976 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 30720 3733504 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 74752 7444480 1% /mnt/lustre 1 2358 0.16 MB/sec execute 95 sec latency 167.250 ms 1 2395 0.16 MB/sec execute 96 sec latency 214.865 ms 1 2428 0.16 MB/sec execute 97 sec latency 202.143 ms 1 2477 0.16 MB/sec execute 98 sec latency 124.729 ms 1 2557 0.16 MB/sec execute 99 sec latency 306.174 ms 1 cleanup 100 sec test_26 fail mds1 3 times 1 cleanup 101 sec 1 cleanup 102 sec Failing mds1 on oleg623-server 1 cleanup 103 sec Stopping /mnt/lustre-mds1 (opts:) on oleg623-server 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 371 231.816 43602.349 Close 320 11.396 44.666 Rename 15 73.984 116.665 Unlink 38 24.547 59.298 Qpathinfo 340 14.254 88.222 Qfileinfo 99 1.921 14.990 Qfsinfo 43 3.840 29.382 Sfileinfo 48 53.965 134.339 Find 116 6.855 176.879 WriteX 359 10.680 58.504 ReadX 427 1.941 72.522 Flush 34 139.096 306.160 Throughput 0.162696 MB/sec 1 clients 1 procs max_latency=43602.917 ms stopping dbench on /mnt/lustre at Wed Sep 16 20:09:47 EDT 2026 with return code 0 20:09:49 (1789603789) shut down facet: mds1 facet_host: oleg623-server facet_failover_host: oleg623-server Failover mds1 to oleg623-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg623-server: oleg623-server.virtnet: executing set_default_debug -1 all pdsh@oleg623-client: oleg623-server: ssh exited with exit code 1 Started lustre-MDT0000 20:10:13 (1789603813) targets are mounted 20:10:13 (1789603813) facet_failover done clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg623-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 '/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 Sep 16 20:10:32 EDT 2026 waiting for dbench pid 47941 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 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 31 1.05 MB/sec warmup 1 sec latency 115.465 ms 1 91 2.09 MB/sec warmup 2 sec latency 166.802 ms 1 139 2.00 MB/sec warmup 3 sec latency 176.820 ms 1 179 1.81 MB/sec warmup 4 sec latency 111.034 ms 1 215 1.67 MB/sec warmup 5 sec latency 159.135 ms 1 264 1.65 MB/sec warmup 6 sec latency 106.408 ms 1 305 1.60 MB/sec warmup 7 sec latency 111.800 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3328 2205184 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 33792 3709952 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 25600 3705856 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7415808 1% /mnt/lustre 1 339 1.53 MB/sec warmup 8 sec latency 175.829 ms 1 374 1.48 MB/sec warmup 9 sec latency 115.303 ms 1 419 1.48 MB/sec warmup 10 sec latency 98.583 ms 1 460 1.47 MB/sec warmup 11 sec latency 117.423 ms 1 513 1.48 MB/sec warmup 12 sec latency 114.374 ms 1 603 1.61 MB/sec warmup 13 sec latency 142.804 ms test_26 fail mds1 4 times 1 666 1.51 MB/sec warmup 14 sec latency 180.714 ms Failing mds1 on oleg623-server 1 697 1.41 MB/sec warmup 15 sec latency 110.044 ms Stopping /mnt/lustre-mds1 (opts:) on oleg623-server 1 728 1.33 MB/sec warmup 16 sec latency 244.939 ms 1 762 1.25 MB/sec warmup 17 sec latency 240.243 ms 1 762 1.18 MB/sec warmup 18 sec latency 1240.613 ms 1 762 1.12 MB/sec warmup 19 sec latency 2242.367 ms 20:10:51 (1789603851) shut down facet: mds1 facet_host: oleg623-server facet_failover_host: oleg623-server 1 762 0.00 MB/sec execute 1 sec latency 4242.820 ms 1 762 0.00 MB/sec execute 2 sec latency 5245.352 ms 1 762 0.00 MB/sec execute 3 sec latency 6245.536 ms 1 762 0.00 MB/sec execute 4 sec latency 7245.743 ms 1 762 0.00 MB/sec execute 5 sec latency 8247.940 ms 1 762 0.00 MB/sec execute 6 sec latency 9248.131 ms 1 762 0.00 MB/sec execute 7 sec latency 10249.894 ms 1 762 0.00 MB/sec execute 8 sec latency 11250.309 ms 1 762 0.00 MB/sec execute 9 sec latency 12253.572 ms Failover mds1 to oleg623-server mount facets: mds1 1 762 0.00 MB/sec execute 10 sec latency 13253.753 ms 1 762 0.00 MB/sec execute 11 sec latency 14256.356 ms 1 762 0.00 MB/sec execute 12 sec latency 15256.584 ms 1 762 0.00 MB/sec execute 13 sec latency 16257.038 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 762 0.00 MB/sec execute 14 sec latency 17258.032 ms 1 762 0.00 MB/sec execute 15 sec latency 18258.201 ms 1 762 0.00 MB/sec execute 16 sec latency 19258.377 ms 1 762 0.00 MB/sec execute 17 sec latency 20258.575 ms 1 762 0.00 MB/sec execute 18 sec latency 21259.334 ms 1 762 0.00 MB/sec execute 19 sec latency 22263.342 ms 1 762 0.00 MB/sec execute 20 sec latency 23263.925 ms oleg623-server: oleg623-server.virtnet: executing set_default_debug -1 all 1 762 0.00 MB/sec execute 21 sec latency 24264.092 ms 1 779 0.00 MB/sec execute 22 sec latency 24509.016 ms pdsh@oleg623-client: oleg623-server: ssh exited with exit code 1 1 796 0.01 MB/sec execute 23 sec latency 541.009 ms Started lustre-MDT0000 20:11:15 (1789603875) targets are mounted 20:11:15 (1789603875) facet_failover done 1 849 0.01 MB/sec execute 24 sec latency 104.502 ms 1 882 0.01 MB/sec execute 25 sec latency 306.940 ms 1 910 0.02 MB/sec execute 26 sec latency 165.324 ms 1 928 0.02 MB/sec execute 27 sec latency 267.275 ms 1 968 0.02 MB/sec execute 28 sec latency 96.153 ms 1 985 0.02 MB/sec execute 29 sec latency 397.333 ms oleg623-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1011 0.03 MB/sec execute 30 sec latency 120.425 ms 1 1059 0.05 MB/sec execute 31 sec latency 220.578 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1112 0.05 MB/sec execute 32 sec latency 114.572 ms 1 1154 0.05 MB/sec execute 33 sec latency 143.523 ms 1 1196 0.05 MB/sec execute 34 sec latency 109.317 ms 1 1236 0.05 MB/sec execute 35 sec latency 78.997 ms 1 1313 0.07 MB/sec execute 36 sec latency 85.970 ms 1 1420 0.13 MB/sec execute 37 sec latency 80.857 ms 1 1481 0.12 MB/sec execute 38 sec latency 173.655 ms 1 1538 0.12 MB/sec execute 39 sec latency 259.594 ms 1 1593 0.12 MB/sec execute 40 sec latency 62.152 ms 1 1643 0.12 MB/sec execute 41 sec latency 170.789 ms 1 1686 0.12 MB/sec execute 42 sec latency 107.091 ms 1 1743 0.11 MB/sec execute 43 sec latency 113.860 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1808 0.11 MB/sec execute 44 sec latency 120.985 ms 1 1857 0.11 MB/sec execute 45 sec latency 79.037 ms 1 1905 0.11 MB/sec execute 46 sec latency 218.013 ms 1 1974 0.11 MB/sec execute 47 sec latency 90.017 ms 1 2014 0.11 MB/sec execute 48 sec latency 79.866 ms 1 2063 0.11 MB/sec execute 49 sec latency 89.746 ms 1 2133 0.11 MB/sec execute 50 sec latency 88.135 ms 1 2164 0.11 MB/sec execute 51 sec latency 201.206 ms 1 2228 0.10 MB/sec execute 52 sec latency 103.901 ms 1 2337 0.12 MB/sec execute 53 sec latency 88.183 ms 1 2373 0.12 MB/sec execute 54 sec latency 303.772 ms 1 2405 0.12 MB/sec execute 55 sec latency 214.410 ms 1 2439 0.12 MB/sec execute 56 sec latency 258.598 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Sep 16 20:11:49 EDT 2026 with return code 0 47941 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47941 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished