== replay-dual test 26: dbench and tar with mds failover ========================================================== 08:36:57 (1787834217) Starting client oleg618-client.virtnet: -o user_xattr,flock 192.168.206.118@tcp:/lustre /mnt/lustre Started clients oleg618-client.virtnet: 192.168.206.118@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 45231 Started dbench loop with 45232 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 2048 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7496704 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 Thu Aug 27 08:37:03 EDT 2026 waiting for dbench pid 45299 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 127.280 ms 1 89 2.06 MB/sec warmup 2 sec latency 176.366 ms 1 121 1.83 MB/sec warmup 3 sec latency 161.530 ms 1 155 1.63 MB/sec warmup 4 sec latency 124.666 ms 1 188 1.52 MB/sec warmup 5 sec latency 175.312 ms test_26 fail mds1 1 times 1 223 1.44 MB/sec warmup 6 sec latency 136.389 ms Failing mds1 on oleg618-server 1 255 1.38 MB/sec warmup 7 sec latency 179.899 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 297 1.37 MB/sec warmup 8 sec latency 150.518 ms 1 339 1.36 MB/sec warmup 9 sec latency 153.204 ms 1 339 1.23 MB/sec warmup 10 sec latency 1059.052 ms 1 339 1.11 MB/sec warmup 11 sec latency 2059.267 ms 08:37:14 (1787834234) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 339 1.02 MB/sec warmup 12 sec latency 3060.939 ms 1 339 0.94 MB/sec warmup 13 sec latency 4062.176 ms 1 339 0.88 MB/sec warmup 14 sec latency 5062.442 ms 1 339 0.82 MB/sec warmup 15 sec latency 6062.763 ms 1 339 0.77 MB/sec warmup 16 sec latency 7063.583 ms 1 339 0.72 MB/sec warmup 17 sec latency 8063.863 ms 1 339 0.68 MB/sec warmup 18 sec latency 9064.376 ms 1 339 0.65 MB/sec warmup 19 sec latency 10064.638 ms 1 339 0.00 MB/sec execute 1 sec latency 12065.081 ms Failover mds1 to oleg618-server mount facets: mds1 1 339 0.00 MB/sec execute 2 sec latency 13065.450 ms 1 339 0.00 MB/sec execute 3 sec latency 14065.710 ms 1 339 0.00 MB/sec execute 4 sec latency 15066.620 ms 1 339 0.00 MB/sec execute 5 sec latency 16068.874 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 6 sec latency 17069.072 ms 1 339 0.00 MB/sec execute 7 sec latency 18070.452 ms 1 339 0.00 MB/sec execute 8 sec latency 19071.177 ms 1 339 0.00 MB/sec execute 9 sec latency 20072.037 ms 1 339 0.00 MB/sec execute 10 sec latency 21072.363 ms 1 339 0.00 MB/sec execute 11 sec latency 22072.600 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 373 0.09 MB/sec execute 12 sec latency 22278.689 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 1 418 0.19 MB/sec execute 13 sec latency 100.851 ms Started lustre-MDT0000 08:37:36 (1787834256) targets are mounted 08:37:36 (1787834256) facet_failover done 1 457 0.26 MB/sec execute 14 sec latency 126.773 ms 1 500 0.35 MB/sec execute 15 sec latency 106.370 ms 1 542 0.43 MB/sec execute 16 sec latency 144.382 ms 1 640 0.52 MB/sec execute 17 sec latency 114.276 ms 1 673 0.49 MB/sec execute 18 sec latency 264.657 ms 1 708 0.47 MB/sec execute 19 sec latency 145.865 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 735 0.45 MB/sec execute 20 sec latency 201.668 ms 1 773 0.43 MB/sec execute 21 sec latency 104.408 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 798 0.42 MB/sec execute 22 sec latency 246.306 ms 1 819 0.40 MB/sec execute 23 sec latency 171.782 ms 1 874 0.39 MB/sec execute 24 sec latency 201.673 ms 1 904 0.38 MB/sec execute 25 sec latency 117.794 ms 1 933 0.37 MB/sec execute 26 sec latency 236.686 ms 1 980 0.36 MB/sec execute 27 sec latency 105.793 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 19456 3690496 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3675136 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7365632 1% /mnt/lustre 1 1018 0.36 MB/sec execute 28 sec latency 252.983 ms 1 1064 0.37 MB/sec execute 29 sec latency 96.359 ms 1 1126 0.36 MB/sec execute 30 sec latency 111.519 ms 1 1156 0.35 MB/sec execute 31 sec latency 113.136 ms 1 1202 0.34 MB/sec execute 32 sec latency 54.586 ms 1 1244 0.33 MB/sec execute 33 sec latency 92.885 ms test_26 fail mds1 2 times 1 1396 0.40 MB/sec execute 34 sec latency 91.223 ms 1 1426 0.39 MB/sec execute 35 sec latency 143.350 ms Failing mds1 on oleg618-server 1 1465 0.38 MB/sec execute 36 sec latency 117.779 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 1497 0.37 MB/sec execute 37 sec latency 242.595 ms 1 1516 0.36 MB/sec execute 38 sec latency 385.685 ms 1 1516 0.35 MB/sec execute 39 sec latency 1386.448 ms 1 1516 0.34 MB/sec execute 40 sec latency 2386.681 ms 08:38:03 (1787834283) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 1516 0.34 MB/sec execute 41 sec latency 3386.887 ms 1 1516 0.33 MB/sec execute 42 sec latency 4387.120 ms 1 1516 0.32 MB/sec execute 43 sec latency 5387.436 ms 1 1516 0.31 MB/sec execute 44 sec latency 6388.058 ms 1 1516 0.31 MB/sec execute 45 sec latency 7388.257 ms 1 1516 0.30 MB/sec execute 46 sec latency 8388.912 ms 1 1516 0.29 MB/sec execute 47 sec latency 9389.290 ms 1 1516 0.29 MB/sec execute 48 sec latency 10390.095 ms 1 1516 0.28 MB/sec execute 49 sec latency 11390.510 ms 1 1516 0.28 MB/sec execute 50 sec latency 12390.792 ms 1 1516 0.27 MB/sec execute 51 sec latency 13392.055 ms Failover mds1 to oleg618-server mount facets: mds1 1 1516 0.27 MB/sec execute 52 sec latency 14397.152 ms 1 1516 0.26 MB/sec execute 53 sec latency 15397.535 ms 1 1516 0.26 MB/sec execute 54 sec latency 16397.877 ms 1 1516 0.25 MB/sec execute 55 sec latency 17398.089 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1516 0.25 MB/sec execute 56 sec latency 18398.262 ms 1 1516 0.24 MB/sec execute 57 sec latency 19398.991 ms 1 1516 0.24 MB/sec execute 58 sec latency 20399.371 ms 1 1516 0.23 MB/sec execute 59 sec latency 21400.678 ms 1 1516 0.23 MB/sec execute 60 sec latency 22402.270 ms 1 1516 0.23 MB/sec execute 61 sec latency 23407.141 ms 1 1516 0.22 MB/sec execute 62 sec latency 24407.395 ms 1 1516 0.22 MB/sec execute 63 sec latency 25407.888 ms 1 1516 0.22 MB/sec execute 64 sec latency 26408.114 ms 1 1516 0.21 MB/sec execute 65 sec latency 27408.452 ms 1 1516 0.21 MB/sec execute 66 sec latency 28410.447 ms 1 1516 0.21 MB/sec execute 67 sec latency 29410.723 ms 1 1516 0.20 MB/sec execute 68 sec latency 30411.040 ms 1 1516 0.20 MB/sec execute 69 sec latency 31411.195 ms 1 1516 0.20 MB/sec execute 70 sec latency 32411.654 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 1516 0.19 MB/sec execute 71 sec latency 33411.899 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 1 1516 0.19 MB/sec execute 72 sec latency 34412.165 ms Started lustre-MDT0000 08:38:36 (1787834316) targets are mounted 08:38:36 (1787834316) facet_failover done 1 1516 0.19 MB/sec execute 73 sec latency 35425.020 ms 1 1516 0.19 MB/sec execute 74 sec latency 36425.434 ms 1 1516 0.18 MB/sec execute 75 sec latency 37428.008 ms 1 1516 0.18 MB/sec execute 76 sec latency 38429.700 ms 1 1516 0.18 MB/sec execute 77 sec latency 39431.877 ms 1 1516 0.18 MB/sec execute 78 sec latency 40439.417 ms 1 1516 0.17 MB/sec execute 79 sec latency 41454.635 ms 1 1516 0.17 MB/sec execute 80 sec latency 42457.567 ms 1 1516 0.17 MB/sec execute 81 sec latency 43461.792 ms 1 1550 0.17 MB/sec execute 82 sec latency 43665.146 ms 1 1591 0.17 MB/sec execute 83 sec latency 113.798 ms 1 1632 0.17 MB/sec execute 84 sec latency 147.201 ms 1 1656 0.16 MB/sec execute 85 sec latency 266.281 ms 1 1689 0.16 MB/sec execute 86 sec latency 151.847 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1736 0.16 MB/sec execute 87 sec latency 129.007 ms 1 1783 0.16 MB/sec execute 88 sec latency 151.062 ms 1 1821 0.16 MB/sec execute 89 sec latency 111.254 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1859 0.16 MB/sec execute 90 sec latency 150.461 ms 1 1888 0.15 MB/sec execute 91 sec latency 275.048 ms 1 1965 0.15 MB/sec execute 92 sec latency 147.000 ms 1 2000 0.15 MB/sec execute 93 sec latency 120.135 ms 1 2069 0.15 MB/sec execute 94 sec latency 69.784 ms 1 2145 0.15 MB/sec execute 95 sec latency 78.211 ms 1 2170 0.15 MB/sec execute 96 sec latency 107.375 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3724288 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3712000 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7436288 1% /mnt/lustre 1 2204 0.15 MB/sec execute 97 sec latency 149.901 ms 1 2264 0.15 MB/sec execute 98 sec latency 96.578 ms 1 2336 0.16 MB/sec execute 99 sec latency 72.574 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec test_26 fail mds1 3 times 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 350 124.469 22278.669 Close 305 13.801 48.398 Rename 12 80.415 151.824 Unlink 31 1435.672 43665.132 Qpathinfo 311 17.508 142.111 Qfileinfo 91 1.899 7.553 Qfsinfo 38 3.434 20.556 Sfileinfo 38 57.436 167.192 Find 104 6.086 41.599 WriteX 340 12.948 107.559 ReadX 379 1.559 68.004 Flush 31 141.772 275.029 Throughput 0.156963 MB/sec 1 clients 1 procs max_latency=43665.146 ms stopping dbench on /mnt/lustre at Thu Aug 27 08:39:06 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg618-server Stopping /mnt/lustre-mds1 (opts:) on oleg618-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 08:39:12 (1787834352) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server Failover mds1 to oleg618-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 Started lustre-MDT0000 08:39:34 (1787834374) targets are mounted 08:39:34 (1787834374) facet_failover done '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Aug 27 08:39:52 EDT 2026 waiting for dbench pid 47863 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients 1 31 1.04 MB/sec warmup 1 sec latency 115.460 ms 1 89 2.06 MB/sec warmup 2 sec latency 142.656 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 122 1.83 MB/sec warmup 3 sec latency 201.478 ms 1 155 1.63 MB/sec warmup 4 sec latency 198.856 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 181 1.46 MB/sec warmup 5 sec latency 169.438 ms 1 207 1.35 MB/sec warmup 6 sec latency 172.053 ms 1 247 1.34 MB/sec warmup 7 sec latency 135.677 ms 1 289 1.34 MB/sec warmup 8 sec latency 129.370 ms 1 322 1.30 MB/sec warmup 9 sec latency 152.801 ms 1 365 1.30 MB/sec warmup 10 sec latency 107.491 ms 1 414 1.33 MB/sec warmup 11 sec latency 109.970 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 27648 3729408 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 31744 3683328 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7412736 1% /mnt/lustre 1 445 1.30 MB/sec warmup 12 sec latency 197.627 ms 1 493 1.32 MB/sec warmup 13 sec latency 121.770 ms 1 542 1.36 MB/sec warmup 14 sec latency 97.756 ms 1 642 1.40 MB/sec warmup 15 sec latency 95.875 ms 1 676 1.32 MB/sec warmup 16 sec latency 210.368 ms test_26 fail mds1 4 times 1 711 1.24 MB/sec warmup 17 sec latency 140.771 ms 1 733 1.18 MB/sec warmup 18 sec latency 202.570 ms Failing mds1 on oleg618-server 1 769 1.12 MB/sec warmup 19 sec latency 120.677 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 799 0.02 MB/sec execute 1 sec latency 600.965 ms 1 799 0.01 MB/sec execute 2 sec latency 1602.221 ms 08:40:15 (1787834415) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 799 0.01 MB/sec execute 3 sec latency 2602.954 ms 1 799 0.00 MB/sec execute 4 sec latency 3603.439 ms 1 799 0.00 MB/sec execute 5 sec latency 4605.638 ms 1 799 0.00 MB/sec execute 6 sec latency 5605.830 ms 1 799 0.00 MB/sec execute 7 sec latency 6606.000 ms 1 799 0.00 MB/sec execute 8 sec latency 7606.141 ms 1 799 0.00 MB/sec execute 9 sec latency 8606.360 ms 1 799 0.00 MB/sec execute 10 sec latency 9606.821 ms 1 799 0.00 MB/sec execute 11 sec latency 10607.076 ms 1 799 0.00 MB/sec execute 12 sec latency 11608.621 ms 1 799 0.00 MB/sec execute 13 sec latency 12615.515 ms Failover mds1 to oleg618-server mount facets: mds1 1 799 0.00 MB/sec execute 14 sec latency 13615.677 ms 1 799 0.00 MB/sec execute 15 sec latency 14616.502 ms 1 799 0.00 MB/sec execute 16 sec latency 15619.209 ms 1 799 0.00 MB/sec execute 17 sec latency 16619.911 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 799 0.00 MB/sec execute 18 sec latency 17620.061 ms 1 799 0.00 MB/sec execute 19 sec latency 18631.137 ms 1 799 0.00 MB/sec execute 20 sec latency 19631.381 ms 1 799 0.00 MB/sec execute 21 sec latency 20631.722 ms 1 799 0.00 MB/sec execute 22 sec latency 21632.886 ms 1 799 0.00 MB/sec execute 23 sec latency 22633.121 ms 1 799 0.00 MB/sec execute 24 sec latency 23633.362 ms 1 799 0.00 MB/sec execute 25 sec latency 24636.437 ms 1 799 0.00 MB/sec execute 26 sec latency 25636.697 ms 1 799 0.00 MB/sec execute 27 sec latency 26638.514 ms 1 799 0.00 MB/sec execute 28 sec latency 27638.722 ms 1 799 0.00 MB/sec execute 29 sec latency 28640.030 ms 1 799 0.00 MB/sec execute 30 sec latency 29640.216 ms 1 799 0.00 MB/sec execute 31 sec latency 30641.418 ms 1 799 0.00 MB/sec execute 32 sec latency 31642.423 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 799 0.00 MB/sec execute 33 sec latency 32652.870 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 1 799 0.00 MB/sec execute 34 sec latency 33653.404 ms Started lustre-MDT0000 08:40:47 (1787834447) targets are mounted 08:40:47 (1787834447) facet_failover done 1 799 0.00 MB/sec execute 35 sec latency 34653.586 ms 1 799 0.00 MB/sec execute 36 sec latency 35653.743 ms 1 799 0.00 MB/sec execute 37 sec latency 36654.982 ms 1 799 0.00 MB/sec execute 38 sec latency 37655.224 ms 1 799 0.00 MB/sec execute 39 sec latency 38656.362 ms 1 799 0.00 MB/sec execute 40 sec latency 39661.042 ms 1 799 0.00 MB/sec execute 41 sec latency 40661.654 ms 1 799 0.00 MB/sec execute 42 sec latency 41663.040 ms 1 803 0.00 MB/sec execute 43 sec latency 42320.063 ms 1 851 0.00 MB/sec execute 44 sec latency 209.317 ms 1 876 0.00 MB/sec execute 45 sec latency 414.897 ms 1 902 0.00 MB/sec execute 46 sec latency 157.673 ms 1 916 0.01 MB/sec execute 47 sec latency 435.428 ms 1 935 0.01 MB/sec execute 48 sec latency 169.166 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 970 0.01 MB/sec execute 49 sec latency 123.471 ms 1 985 0.01 MB/sec execute 50 sec latency 377.786 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1002 0.01 MB/sec execute 51 sec latency 179.253 ms 1 1029 0.03 MB/sec execute 52 sec latency 286.861 ms 1 1072 0.03 MB/sec execute 53 sec latency 122.482 ms 1 1119 0.03 MB/sec execute 54 sec latency 125.127 ms 1 1147 0.03 MB/sec execute 55 sec latency 160.804 ms 1 1192 0.03 MB/sec execute 56 sec latency 119.304 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1246 0.03 MB/sec execute 57 sec latency 80.704 ms 1 1378 0.08 MB/sec execute 58 sec latency 91.821 ms 1 1422 0.08 MB/sec execute 59 sec latency 89.756 ms 1 1468 0.08 MB/sec execute 60 sec latency 85.558 ms 1 1512 0.08 MB/sec execute 61 sec latency 209.921 ms 1 1574 0.08 MB/sec execute 62 sec latency 94.518 ms 1 1632 0.07 MB/sec execute 63 sec latency 98.957 ms 1 1660 0.07 MB/sec execute 64 sec latency 244.665 ms 1 1700 0.07 MB/sec execute 65 sec latency 112.555 ms 1 1789 0.07 MB/sec execute 66 sec latency 72.360 ms 1 1849 0.07 MB/sec execute 67 sec latency 115.747 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 08:41:20 EDT 2026 with return code 0 1 1888 0.07 MB/sec execute 68 sec latency 192.674 ms 47863 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47863 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished