== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:06:15 (1788660375) Starting client oleg121-client.virtnet: -o user_xattr,flock 192.168.201.121@tcp:/lustre /mnt/lustre Started clients oleg121-client.virtnet: 192.168.201.121@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 45191 Started dbench loop with 45192 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3733504 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7498752 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 Sat Sep 5 22:06:21 EDT 2026 waiting for dbench pid 45260 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 31 1.05 MB/sec warmup 1 sec latency 134.809 ms 1 92 2.10 MB/sec warmup 2 sec latency 139.595 ms 1 137 2.01 MB/sec warmup 3 sec latency 159.071 ms 1 170 1.73 MB/sec warmup 4 sec latency 168.420 ms test_26 fail mds1 1 times 1 199 1.57 MB/sec warmup 5 sec latency 131.268 ms 1 232 1.48 MB/sec warmup 6 sec latency 194.283 ms Failing mds1 on oleg121-server 1 264 1.42 MB/sec warmup 7 sec latency 193.884 ms Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 289 1.34 MB/sec warmup 8 sec latency 187.306 ms 1 319 1.28 MB/sec warmup 9 sec latency 180.687 ms 1 322 1.17 MB/sec warmup 10 sec latency 971.620 ms 1 322 1.07 MB/sec warmup 11 sec latency 1971.811 ms 22:06:33 (1788660393) shut down 1 322 0.98 MB/sec warmup 12 sec latency 2981.818 ms facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 322 0.90 MB/sec warmup 13 sec latency 3982.222 ms 1 322 0.84 MB/sec warmup 14 sec latency 4983.098 ms 1 322 0.78 MB/sec warmup 15 sec latency 5983.338 ms 1 322 0.73 MB/sec warmup 16 sec latency 6983.699 ms 1 322 0.69 MB/sec warmup 17 sec latency 7984.429 ms 1 322 0.65 MB/sec warmup 18 sec latency 8985.347 ms 1 322 0.62 MB/sec warmup 19 sec latency 9986.486 ms 1 322 0.00 MB/sec execute 1 sec latency 11989.916 ms 1 322 0.00 MB/sec execute 2 sec latency 12992.049 ms Failover mds1 to oleg121-server mount facets: mds1 1 322 0.00 MB/sec execute 3 sec latency 13992.179 ms 1 322 0.00 MB/sec execute 4 sec latency 14993.153 ms 1 322 0.00 MB/sec execute 5 sec latency 15993.650 ms 1 322 0.00 MB/sec execute 6 sec latency 16993.893 ms 1 322 0.00 MB/sec execute 7 sec latency 17994.407 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 8 sec latency 18994.795 ms 1 322 0.00 MB/sec execute 9 sec latency 19995.445 ms 1 322 0.00 MB/sec execute 10 sec latency 20999.929 ms 1 322 0.00 MB/sec execute 11 sec latency 22000.140 ms 1 322 0.00 MB/sec execute 12 sec latency 23000.385 ms 1 322 0.00 MB/sec execute 13 sec latency 24000.672 ms 1 322 0.00 MB/sec execute 14 sec latency 25002.976 ms 1 322 0.00 MB/sec execute 15 sec latency 26003.400 ms 1 322 0.00 MB/sec execute 16 sec latency 27003.622 ms 1 322 0.00 MB/sec execute 17 sec latency 28003.813 ms 1 322 0.00 MB/sec execute 18 sec latency 29004.118 ms 1 322 0.00 MB/sec execute 19 sec latency 30005.527 ms 1 322 0.00 MB/sec execute 20 sec latency 31005.928 ms 1 322 0.00 MB/sec execute 21 sec latency 32006.136 ms 1 322 0.00 MB/sec execute 22 sec latency 33006.529 ms 1 322 0.00 MB/sec execute 23 sec latency 34006.828 ms oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 322 0.00 MB/sec execute 24 sec latency 35012.469 ms pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 322 0.00 MB/sec execute 25 sec latency 36014.176 ms Started lustre-MDT0000 22:07:07 (1788660427) targets are mounted 22:07:07 (1788660427) facet_failover done 1 322 0.00 MB/sec execute 26 sec latency 37014.401 ms 1 322 0.00 MB/sec execute 27 sec latency 38016.359 ms 1 322 0.00 MB/sec execute 28 sec latency 39019.129 ms 1 339 0.02 MB/sec execute 29 sec latency 39277.966 ms 1 365 0.04 MB/sec execute 30 sec latency 214.109 ms 1 398 0.08 MB/sec execute 31 sec latency 127.632 ms 1 430 0.11 MB/sec execute 32 sec latency 153.799 ms 1 472 0.14 MB/sec execute 33 sec latency 129.015 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 513 0.18 MB/sec execute 34 sec latency 130.468 ms 1 589 0.24 MB/sec execute 35 sec latency 154.049 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 639 0.26 MB/sec execute 36 sec latency 104.557 ms 1 664 0.25 MB/sec execute 37 sec latency 293.729 ms 1 692 0.25 MB/sec execute 38 sec latency 380.017 ms 1 721 0.24 MB/sec execute 39 sec latency 131.008 ms 1 741 0.24 MB/sec execute 40 sec latency 205.374 ms 1 789 0.24 MB/sec execute 41 sec latency 104.390 ms 1 803 0.23 MB/sec execute 42 sec latency 313.508 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3693568 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3708928 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7402496 1% /mnt/lustre 1 848 0.23 MB/sec execute 43 sec latency 119.793 ms 1 874 0.23 MB/sec execute 44 sec latency 331.798 ms 1 898 0.22 MB/sec execute 45 sec latency 163.232 ms 1 918 0.22 MB/sec execute 46 sec latency 222.969 ms 1 968 0.21 MB/sec execute 47 sec latency 110.716 ms test_26 fail mds1 2 times 1 993 0.21 MB/sec execute 48 sec latency 170.990 ms 1 1061 0.23 MB/sec execute 49 sec latency 105.477 ms Failing mds1 on oleg121-server 1 1105 0.22 MB/sec execute 50 sec latency 120.790 ms Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 1156 0.22 MB/sec execute 51 sec latency 91.971 ms 1 1181 0.22 MB/sec execute 52 sec latency 644.661 ms 1 1181 0.21 MB/sec execute 53 sec latency 1645.040 ms 22:07:35 (1788660455) shut down facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 1181 0.21 MB/sec execute 54 sec latency 2646.830 ms 1 1181 0.20 MB/sec execute 55 sec latency 3647.701 ms 1 1181 0.20 MB/sec execute 56 sec latency 4648.757 ms 1 1181 0.20 MB/sec execute 57 sec latency 5649.613 ms 1 1181 0.19 MB/sec execute 58 sec latency 6649.784 ms 1 1181 0.19 MB/sec execute 59 sec latency 7649.973 ms 1 1181 0.19 MB/sec execute 60 sec latency 8650.195 ms 1 1181 0.18 MB/sec execute 61 sec latency 9650.465 ms 1 1181 0.18 MB/sec execute 62 sec latency 10652.413 ms 1 1181 0.18 MB/sec execute 63 sec latency 11656.846 ms 1 1181 0.18 MB/sec execute 64 sec latency 12657.119 ms Failover mds1 to oleg121-server mount facets: mds1 1 1181 0.17 MB/sec execute 65 sec latency 13657.458 ms 1 1181 0.17 MB/sec execute 66 sec latency 14657.733 ms 1 1181 0.17 MB/sec execute 67 sec latency 15661.882 ms 1 1181 0.17 MB/sec execute 68 sec latency 16664.674 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1181 0.16 MB/sec execute 69 sec latency 17665.144 ms 1 1181 0.16 MB/sec execute 70 sec latency 18665.436 ms 1 1181 0.16 MB/sec execute 71 sec latency 19665.582 ms 1 1181 0.16 MB/sec execute 72 sec latency 20665.711 ms 1 1181 0.15 MB/sec execute 73 sec latency 21666.263 ms 1 1181 0.15 MB/sec execute 74 sec latency 22666.967 ms oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 1211 0.15 MB/sec execute 75 sec latency 22995.195 ms 1 1244 0.15 MB/sec execute 76 sec latency 113.980 ms pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 1274 0.15 MB/sec execute 77 sec latency 143.937 ms Started lustre-MDT0000 22:07:59 (1788660479) targets are mounted 22:07:59 (1788660479) facet_failover done 1 1403 0.18 MB/sec execute 78 sec latency 112.768 ms 1 1455 0.18 MB/sec execute 79 sec latency 120.619 ms 1 1492 0.18 MB/sec execute 80 sec latency 148.538 ms 1 1532 0.18 MB/sec execute 81 sec latency 103.972 ms 1 1590 0.18 MB/sec execute 82 sec latency 74.228 ms 1 1632 0.17 MB/sec execute 83 sec latency 125.185 ms 1 1655 0.17 MB/sec execute 84 sec latency 329.591 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1691 0.17 MB/sec execute 85 sec latency 158.330 ms 1 1736 0.17 MB/sec execute 86 sec latency 144.516 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1795 0.17 MB/sec execute 87 sec latency 92.906 ms 1 1849 0.17 MB/sec execute 88 sec latency 95.172 ms 1 1944 0.17 MB/sec execute 89 sec latency 108.133 ms 1 1996 0.16 MB/sec execute 90 sec latency 112.089 ms 1 2063 0.16 MB/sec execute 91 sec latency 106.087 ms 1 2139 0.16 MB/sec execute 92 sec latency 81.337 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] 1 2164 0.16 MB/sec execute 93 sec latency 164.493 ms lustre-OST0000_UUID 3771392 56320 3668992 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 71680 7384064 1% /mnt/lustre 1 2202 0.16 MB/sec execute 94 sec latency 140.879 ms 1 2273 0.16 MB/sec execute 95 sec latency 90.930 ms 1 2345 0.17 MB/sec execute 96 sec latency 164.401 ms 1 2376 0.17 MB/sec execute 97 sec latency 280.449 ms 1 2406 0.17 MB/sec execute 98 sec latency 347.041 ms test_26 fail mds1 3 times 1 2439 0.17 MB/sec execute 99 sec latency 294.668 ms 1 cleanup 100 sec Failing mds1 on oleg121-server 1 cleanup 101 sec Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 22:08:26 (1788660506) shut down facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec Failover mds1 to oleg121-server mount facets: mds1 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 cleanup 127 sec pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 cleanup 128 sec 1 cleanup 129 sec Started lustre-MDT0000 22:08:50 (1788660530) targets are mounted 22:08:50 (1788660530) facet_failover done 0 cleanup 129 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 370 61.034 353.950 Close 320 135.000 39277.943 Rename 14 100.633 171.109 Unlink 36 26.505 48.770 Qpathinfo 325 86.651 22995.182 Qfileinfo 102 2.105 15.850 Qfsinfo 41 3.382 20.087 Sfileinfo 45 60.729 140.788 Find 110 5.643 77.356 WriteX 376 13.693 88.909 ReadX 383 1.946 94.723 Flush 34 154.491 380.000 Throughput 0.165033 MB/sec 1 clients 1 procs max_latency=39277.966 ms stopping dbench on /mnt/lustre at Sat Sep 5 22:08:50 EDT 2026 with return code 0 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Sep 5 22:08:55 EDT 2026 waiting for dbench pid 47832 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 2.10 MB/sec warmup 1 sec latency 143.950 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 107 2.52 MB/sec warmup 2 sec latency 127.749 ms 1 137 2.01 MB/sec warmup 3 sec latency 196.651 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 165 1.70 MB/sec warmup 4 sec latency 190.738 ms 1 197 1.57 MB/sec warmup 5 sec latency 175.048 ms 1 231 1.48 MB/sec warmup 6 sec latency 153.215 ms 1 275 1.46 MB/sec warmup 7 sec latency 108.943 ms 1 315 1.43 MB/sec warmup 8 sec latency 151.532 ms 1 365 1.45 MB/sec warmup 9 sec latency 154.682 ms UUID 1K-blocks Used Available Use% Mounted on 1 406 1.43 MB/sec warmup 10 sec latency 122.197 ms lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 52224 3649536 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 6144 3745792 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7395328 1% /mnt/lustre 1 445 1.42 MB/sec warmup 11 sec latency 141.140 ms 1 478 1.39 MB/sec warmup 12 sec latency 166.457 ms 1 511 1.36 MB/sec warmup 13 sec latency 166.463 ms 1 543 1.36 MB/sec warmup 14 sec latency 184.852 ms 1 640 1.40 MB/sec warmup 15 sec latency 122.040 ms 1 666 1.32 MB/sec warmup 16 sec latency 355.020 ms test_26 fail mds1 4 times 1 681 1.24 MB/sec warmup 17 sec latency 204.418 ms 1 703 1.17 MB/sec warmup 18 sec latency 255.007 ms 1 721 1.12 MB/sec warmup 19 sec latency 254.231 ms Failing mds1 on oleg121-server Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 769 0.05 MB/sec execute 1 sec latency 463.076 ms 1 789 0.07 MB/sec execute 2 sec latency 508.692 ms 1 789 0.05 MB/sec execute 3 sec latency 1510.354 ms 1 789 0.04 MB/sec execute 4 sec latency 2514.078 ms 1 789 0.03 MB/sec execute 5 sec latency 3514.364 ms 22:09:21 (1788660561) shut down facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 789 0.02 MB/sec execute 6 sec latency 4514.565 ms 1 789 0.02 MB/sec execute 7 sec latency 5515.346 ms 1 789 0.02 MB/sec execute 8 sec latency 6516.029 ms 1 789 0.02 MB/sec execute 9 sec latency 7516.264 ms 1 789 0.01 MB/sec execute 10 sec latency 8516.572 ms 1 789 0.01 MB/sec execute 11 sec latency 9517.230 ms 1 789 0.01 MB/sec execute 12 sec latency 10521.563 ms 1 789 0.01 MB/sec execute 13 sec latency 11521.852 ms 1 789 0.01 MB/sec execute 14 sec latency 12524.990 ms 1 789 0.01 MB/sec execute 15 sec latency 13525.215 ms Failover mds1 to oleg121-server mount facets: mds1 1 789 0.01 MB/sec execute 16 sec latency 14533.224 ms 1 789 0.01 MB/sec execute 17 sec latency 15533.474 ms 1 789 0.01 MB/sec execute 18 sec latency 16533.951 ms 1 789 0.01 MB/sec execute 19 sec latency 17534.365 ms 1 789 0.01 MB/sec execute 20 sec latency 18534.807 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 789 0.01 MB/sec execute 21 sec latency 19535.118 ms 1 789 0.01 MB/sec execute 22 sec latency 20535.569 ms 1 789 0.01 MB/sec execute 23 sec latency 21535.813 ms 1 789 0.01 MB/sec execute 24 sec latency 22536.047 ms 1 789 0.01 MB/sec execute 25 sec latency 23536.277 ms 1 789 0.01 MB/sec execute 26 sec latency 24537.104 ms 1 789 0.01 MB/sec execute 27 sec latency 25538.088 ms 1 789 0.01 MB/sec execute 28 sec latency 26538.486 ms 1 789 0.00 MB/sec execute 29 sec latency 27538.771 ms 1 789 0.00 MB/sec execute 30 sec latency 28538.981 ms 1 789 0.00 MB/sec execute 31 sec latency 29539.256 ms 1 789 0.00 MB/sec execute 32 sec latency 30542.388 ms 1 789 0.00 MB/sec execute 33 sec latency 31543.395 ms 1 789 0.00 MB/sec execute 34 sec latency 32553.094 ms 1 789 0.00 MB/sec execute 35 sec latency 33553.307 ms 1 789 0.00 MB/sec execute 36 sec latency 34553.553 ms 1 789 0.00 MB/sec execute 37 sec latency 35553.845 ms oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 789 0.00 MB/sec execute 38 sec latency 36554.014 ms pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 789 0.00 MB/sec execute 39 sec latency 37555.632 ms Started lustre-MDT0000 22:09:55 (1788660595) targets are mounted 22:09:55 (1788660595) facet_failover done 1 789 0.00 MB/sec execute 40 sec latency 38555.897 ms 1 791 0.00 MB/sec execute 41 sec latency 39421.511 ms 1 816 0.00 MB/sec execute 42 sec latency 150.432 ms 1 873 0.01 MB/sec execute 43 sec latency 128.098 ms 1 900 0.01 MB/sec execute 44 sec latency 281.254 ms 1 934 0.01 MB/sec execute 45 sec latency 116.907 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 980 0.01 MB/sec execute 46 sec latency 95.675 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1009 0.02 MB/sec execute 47 sec latency 334.109 ms 1 1060 0.03 MB/sec execute 48 sec latency 204.461 ms 1 1124 0.03 MB/sec execute 49 sec latency 78.961 ms 1 1163 0.03 MB/sec execute 50 sec latency 103.017 ms 1 1221 0.03 MB/sec execute 51 sec latency 65.871 ms 1 1252 0.03 MB/sec execute 52 sec latency 126.207 ms 1 1382 0.09 MB/sec execute 53 sec latency 114.004 ms 1 1421 0.09 MB/sec execute 54 sec latency 102.718 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1474 0.09 MB/sec execute 55 sec latency 98.348 ms 1 1519 0.09 MB/sec execute 56 sec latency 221.293 ms 1 1597 0.08 MB/sec execute 57 sec latency 64.299 ms 1 1634 0.08 MB/sec execute 58 sec latency 219.725 ms 1 1686 0.08 MB/sec execute 59 sec latency 151.934 ms 1 1766 0.08 MB/sec execute 60 sec latency 176.962 ms 1 1825 0.08 MB/sec execute 61 sec latency 104.001 ms 1 1877 0.08 MB/sec execute 62 sec latency 139.860 ms 1 1926 0.08 MB/sec execute 63 sec latency 368.697 ms 1 2012 0.08 MB/sec execute 64 sec latency 80.209 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 22:10:20 EDT 2026 with return code 0 47832 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47832 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished