== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:13:17 (1787386397) Starting client oleg610-client.virtnet: -o user_xattr,flock 192.168.206.110@tcp:/lustre /mnt/lustre Started clients oleg610-client.virtnet: 192.168.206.110@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44934 Started dbench loop with 44935 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 18432 3736576 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 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 Sat Aug 22 04:13:23 EDT 2026 waiting for dbench pid 45002 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 158.020 ms 1 71 1.56 MB/sec warmup 2 sec latency 162.114 ms 1 122 1.83 MB/sec warmup 3 sec latency 120.826 ms 1 157 1.63 MB/sec warmup 4 sec latency 141.528 ms 1 197 1.56 MB/sec warmup 5 sec latency 126.005 ms test_26 fail mds1 1 times 1 231 1.48 MB/sec warmup 6 sec latency 145.773 ms 1 271 1.45 MB/sec warmup 7 sec latency 141.918 ms Failing mds1 on oleg610-server Stopping /mnt/lustre-mds1 (opts:) on oleg610-server 1 315 1.43 MB/sec warmup 8 sec latency 127.952 ms 1 348 1.39 MB/sec warmup 9 sec latency 178.591 ms 1 348 1.25 MB/sec warmup 10 sec latency 1178.859 ms 1 348 1.14 MB/sec warmup 11 sec latency 2179.711 ms 04:13:34 (1787386414) shut down facet: mds1 facet_host: oleg610-server facet_failover_host: oleg610-server 1 348 1.04 MB/sec warmup 12 sec latency 3182.354 ms 1 348 0.96 MB/sec warmup 13 sec latency 4182.555 ms 1 348 0.89 MB/sec warmup 14 sec latency 5182.801 ms 1 348 0.83 MB/sec warmup 15 sec latency 6183.008 ms 1 348 0.78 MB/sec warmup 16 sec latency 7183.199 ms 1 348 0.74 MB/sec warmup 17 sec latency 8183.473 ms 1 348 0.69 MB/sec warmup 18 sec latency 9184.195 ms 1 348 0.66 MB/sec warmup 19 sec latency 10186.218 ms 1 348 0.00 MB/sec execute 1 sec latency 12186.835 ms Failover mds1 to oleg610-server mount facets: mds1 1 348 0.00 MB/sec execute 2 sec latency 13190.617 ms 1 348 0.00 MB/sec execute 3 sec latency 14191.406 ms 1 348 0.00 MB/sec execute 4 sec latency 15191.933 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 5 sec latency 16192.948 ms 1 348 0.00 MB/sec execute 6 sec latency 17193.140 ms 1 348 0.00 MB/sec execute 7 sec latency 18194.129 ms 1 348 0.00 MB/sec execute 8 sec latency 19195.378 ms 1 348 0.00 MB/sec execute 9 sec latency 20195.750 ms oleg610-server: oleg610-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 10 sec latency 21196.031 ms pdsh@oleg610-client: oleg610-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 11 sec latency 22198.984 ms Started lustre-MDT0000 04:13:54 (1787386434) targets are mounted 04:13:55 (1787386435) facet_failover done 1 348 0.00 MB/sec execute 12 sec latency 23203.805 ms 1 348 0.00 MB/sec execute 13 sec latency 24204.001 ms 1 374 0.06 MB/sec execute 14 sec latency 24218.512 ms 1 416 0.14 MB/sec execute 15 sec latency 127.921 ms 1 462 0.23 MB/sec execute 16 sec latency 108.114 ms 1 507 0.29 MB/sec execute 17 sec latency 150.422 ms oleg610-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 603 0.47 MB/sec execute 18 sec latency 203.086 ms 1 652 0.45 MB/sec execute 19 sec latency 125.075 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 674 0.43 MB/sec execute 20 sec latency 318.124 ms 1 703 0.41 MB/sec execute 21 sec latency 143.746 ms 1 730 0.40 MB/sec execute 22 sec latency 200.281 ms 1 762 0.38 MB/sec execute 23 sec latency 109.786 ms 1 789 0.37 MB/sec execute 24 sec latency 130.046 ms 1 814 0.36 MB/sec execute 25 sec latency 188.388 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 7168 3688448 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3673088 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7361536 1% /mnt/lustre 1 863 0.35 MB/sec execute 26 sec latency 128.643 ms 1 888 0.34 MB/sec execute 27 sec latency 230.864 ms 1 914 0.33 MB/sec execute 28 sec latency 215.329 ms 1 943 0.32 MB/sec execute 29 sec latency 114.382 ms 1 977 0.31 MB/sec execute 30 sec latency 102.130 ms 1 1037 0.33 MB/sec execute 31 sec latency 166.968 ms test_26 fail mds1 2 times 1 1105 0.33 MB/sec execute 32 sec latency 58.209 ms 1 1147 0.32 MB/sec execute 33 sec latency 98.595 ms Failing mds1 on oleg610-server 1 1190 0.31 MB/sec execute 34 sec latency 99.851 ms Stopping /mnt/lustre-mds1 (opts:) on oleg610-server 1 1229 0.30 MB/sec execute 35 sec latency 230.820 ms 1 1229 0.29 MB/sec execute 36 sec latency 1231.004 ms 04:14:20 (1787386460) shut down facet: mds1 facet_host: oleg610-server facet_failover_host: oleg610-server 1 1229 0.28 MB/sec execute 37 sec latency 2231.195 ms 1 1229 0.28 MB/sec execute 38 sec latency 3231.377 ms 1 1229 0.27 MB/sec execute 39 sec latency 4231.744 ms 1 1229 0.26 MB/sec execute 40 sec latency 5232.200 ms 1 1229 0.26 MB/sec execute 41 sec latency 6232.434 ms 1 1229 0.25 MB/sec execute 42 sec latency 7234.236 ms 1 1229 0.25 MB/sec execute 43 sec latency 8234.470 ms 1 1229 0.24 MB/sec execute 44 sec latency 9234.650 ms 1 1229 0.23 MB/sec execute 45 sec latency 10234.942 ms 1 1229 0.23 MB/sec execute 46 sec latency 11235.463 ms Failover mds1 to oleg610-server 1 1229 0.22 MB/sec execute 47 sec latency 12235.758 ms mount facets: mds1 1 1229 0.22 MB/sec execute 48 sec latency 13236.821 ms 1 1229 0.22 MB/sec execute 49 sec latency 14237.406 ms 1 1229 0.21 MB/sec execute 50 sec latency 15237.903 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1229 0.21 MB/sec execute 51 sec latency 16238.184 ms 1 1229 0.20 MB/sec execute 52 sec latency 17239.227 ms 1 1229 0.20 MB/sec execute 53 sec latency 18239.443 ms 1 1229 0.20 MB/sec execute 54 sec latency 19241.857 ms 1 1229 0.19 MB/sec execute 55 sec latency 20242.090 ms oleg610-server: oleg610-server.virtnet: executing set_default_debug -1 all 1 1229 0.19 MB/sec execute 56 sec latency 21242.379 ms pdsh@oleg610-client: oleg610-server: ssh exited with exit code 1 1 1229 0.18 MB/sec execute 57 sec latency 22243.262 ms Started lustre-MDT0000 04:14:41 (1787386481) targets are mounted 04:14:41 (1787386481) facet_failover done 1 1229 0.18 MB/sec execute 58 sec latency 23243.578 ms 1 1229 0.18 MB/sec execute 59 sec latency 24247.663 ms 1 1235 0.18 MB/sec execute 60 sec latency 24847.089 ms 1 1274 0.17 MB/sec execute 61 sec latency 130.624 ms 1 1405 0.22 MB/sec execute 62 sec latency 118.577 ms 1 1451 0.21 MB/sec execute 63 sec latency 115.661 ms oleg610-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1497 0.21 MB/sec execute 64 sec latency 217.660 ms 1 1537 0.21 MB/sec execute 65 sec latency 112.169 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1597 0.21 MB/sec execute 66 sec latency 69.563 ms 1 1634 0.20 MB/sec execute 67 sec latency 169.679 ms 1 1680 0.20 MB/sec execute 68 sec latency 134.232 ms 1 1725 0.20 MB/sec execute 69 sec latency 95.397 ms 1 1799 0.20 MB/sec execute 70 sec latency 69.509 ms 1 1857 0.19 MB/sec execute 71 sec latency 135.669 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 21504 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 51200 3692544 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7417856 1% /mnt/lustre 1 1910 0.19 MB/sec execute 72 sec latency 184.530 ms 1 1984 0.19 MB/sec execute 73 sec latency 81.295 ms 1 2033 0.19 MB/sec execute 74 sec latency 81.065 ms 1 2127 0.19 MB/sec execute 75 sec latency 87.265 ms 1 2168 0.19 MB/sec execute 76 sec latency 84.404 ms test_26 fail mds1 3 times 1 2232 0.18 MB/sec execute 77 sec latency 80.693 ms 1 2321 0.20 MB/sec execute 78 sec latency 67.055 ms Failing mds1 on oleg610-server 1 2358 0.19 MB/sec execute 79 sec latency 167.975 ms Stopping /mnt/lustre-mds1 (opts:) on oleg610-server 1 2394 0.19 MB/sec execute 80 sec latency 188.696 ms 1 2394 0.19 MB/sec execute 81 sec latency 1191.650 ms 1 2394 0.19 MB/sec execute 82 sec latency 2191.799 ms 1 2394 0.19 MB/sec execute 83 sec latency 3193.395 ms 1 2394 0.18 MB/sec execute 84 sec latency 4193.696 ms 04:15:07 (1787386507) shut down facet: mds1 facet_host: oleg610-server facet_failover_host: oleg610-server 1 2394 0.18 MB/sec execute 85 sec latency 5196.396 ms 1 2394 0.18 MB/sec execute 86 sec latency 6196.575 ms 1 2394 0.18 MB/sec execute 87 sec latency 7196.867 ms 1 2394 0.18 MB/sec execute 88 sec latency 8197.221 ms 1 2394 0.17 MB/sec execute 89 sec latency 9197.996 ms 1 2394 0.17 MB/sec execute 90 sec latency 10198.315 ms 1 2394 0.17 MB/sec execute 91 sec latency 11202.654 ms 1 2394 0.17 MB/sec execute 92 sec latency 12203.071 ms 1 2394 0.17 MB/sec execute 93 sec latency 13204.830 ms 1 2394 0.16 MB/sec execute 94 sec latency 14206.850 ms Failover mds1 to oleg610-server mount facets: mds1 1 2394 0.16 MB/sec execute 95 sec latency 15210.087 ms 1 2394 0.16 MB/sec execute 96 sec latency 16210.993 ms 1 2394 0.16 MB/sec execute 97 sec latency 17211.312 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2394 0.16 MB/sec execute 98 sec latency 18212.095 ms 1 2394 0.16 MB/sec execute 99 sec latency 19216.340 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 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 oleg610-server: oleg610-server.virtnet: executing set_default_debug -1 all 1 cleanup 113 sec pdsh@oleg610-client: oleg610-server: ssh exited with exit code 1 1 cleanup 114 sec Started lustre-MDT0000 04:15:38 (1787386538) targets are mounted 04:15:38 (1787386538) facet_failover done 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 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 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec 0 cleanup 139 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 350 126.222 24847.075 Close 307 90.236 24218.490 Rename 13 108.124 276.130 Unlink 32 27.518 60.262 Qpathinfo 315 191.863 55703.874 Qfileinfo 92 2.190 19.323 Qfsinfo 39 5.101 45.149 Sfileinfo 41 56.270 114.003 Find 106 6.519 48.074 WriteX 339 11.197 128.822 ReadX 381 2.150 87.746 Flush 32 128.608 318.110 Throughput 0.155814 MB/sec 1 clients 1 procs max_latency=24847.089 ms stopping dbench on /mnt/lustre at Sat Aug 22 04:16:02 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg610-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 Aug 22 04:16:08 EDT 2026 waiting for dbench pid 47907 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 32 1.04 MB/sec warmup 1 sec latency 128.008 ms 1 105 2.45 MB/sec warmup 2 sec latency 98.922 ms 1 139 2.00 MB/sec warmup 3 sec latency 167.647 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2944 2205568 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3752960 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3707904 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7460864 1% /mnt/lustre 1 173 1.76 MB/sec warmup 4 sec latency 152.030 ms 1 202 1.57 MB/sec warmup 5 sec latency 147.230 ms 1 247 1.56 MB/sec warmup 6 sec latency 127.351 ms 1 279 1.49 MB/sec warmup 7 sec latency 142.234 ms 1 315 1.43 MB/sec warmup 8 sec latency 144.276 ms 1 353 1.39 MB/sec warmup 9 sec latency 132.974 ms test_26 fail mds1 4 times 1 394 1.39 MB/sec warmup 10 sec latency 122.095 ms 1 429 1.37 MB/sec warmup 11 sec latency 147.065 ms Failing mds1 on oleg610-server 1 461 1.34 MB/sec warmup 12 sec latency 161.176 ms Stopping /mnt/lustre-mds1 (opts:) on oleg610-server 1 494 1.32 MB/sec warmup 13 sec latency 115.706 ms 1 522 1.29 MB/sec warmup 14 sec latency 154.120 ms 1 541 1.27 MB/sec warmup 15 sec latency 778.684 ms 1 541 1.19 MB/sec warmup 16 sec latency 1778.869 ms 04:16:25 (1787386585) shut down facet: mds1 facet_host: oleg610-server facet_failover_host: oleg610-server 1 541 1.12 MB/sec warmup 17 sec latency 2779.845 ms 1 541 1.06 MB/sec warmup 18 sec latency 3781.376 ms 1 541 1.00 MB/sec warmup 19 sec latency 4781.795 ms 1 541 0.00 MB/sec execute 1 sec latency 6783.431 ms 1 541 0.00 MB/sec execute 2 sec latency 7783.635 ms 1 541 0.00 MB/sec execute 3 sec latency 8785.012 ms 1 541 0.00 MB/sec execute 4 sec latency 9785.165 ms 1 541 0.00 MB/sec execute 5 sec latency 10785.791 ms 1 541 0.00 MB/sec execute 6 sec latency 11786.112 ms 1 541 0.00 MB/sec execute 7 sec latency 12789.407 ms Failover mds1 to oleg610-server mount facets: mds1 1 541 0.00 MB/sec execute 8 sec latency 13791.815 ms 1 541 0.00 MB/sec execute 9 sec latency 14792.076 ms 1 541 0.00 MB/sec execute 10 sec latency 15792.401 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 541 0.00 MB/sec execute 11 sec latency 16792.614 ms 1 541 0.00 MB/sec execute 12 sec latency 17793.959 ms 1 541 0.00 MB/sec execute 13 sec latency 18795.101 ms 1 541 0.00 MB/sec execute 14 sec latency 19795.676 ms 1 541 0.00 MB/sec execute 15 sec latency 20795.876 ms 1 541 0.00 MB/sec execute 16 sec latency 21796.128 ms 1 541 0.00 MB/sec execute 17 sec latency 22796.252 ms 1 541 0.00 MB/sec execute 18 sec latency 23796.440 ms 1 541 0.00 MB/sec execute 19 sec latency 24796.634 ms 1 541 0.00 MB/sec execute 20 sec latency 25796.895 ms 1 541 0.00 MB/sec execute 21 sec latency 26797.218 ms 1 541 0.00 MB/sec execute 22 sec latency 27797.473 ms 1 541 0.00 MB/sec execute 23 sec latency 28799.117 ms 1 541 0.00 MB/sec execute 24 sec latency 29799.373 ms 1 541 0.00 MB/sec execute 25 sec latency 30799.558 ms oleg610-server: oleg610-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 26 sec latency 31801.805 ms pdsh@oleg610-client: oleg610-server: ssh exited with exit code 1 1 541 0.00 MB/sec execute 27 sec latency 32803.079 ms Started lustre-MDT0000 04:16:56 (1787386616) targets are mounted 04:16:56 (1787386616) facet_failover done 1 541 0.00 MB/sec execute 28 sec latency 33804.666 ms 1 541 0.00 MB/sec execute 29 sec latency 34804.947 ms 1 541 0.00 MB/sec execute 30 sec latency 35805.394 ms 1 541 0.00 MB/sec execute 31 sec latency 36805.536 ms 1 541 0.00 MB/sec execute 32 sec latency 37807.219 ms 1 541 0.00 MB/sec execute 33 sec latency 38808.674 ms 1 541 0.00 MB/sec execute 34 sec latency 39809.286 ms 1 542 0.00 MB/sec execute 35 sec latency 40735.253 ms 1 642 0.05 MB/sec execute 36 sec latency 243.868 ms 1 685 0.06 MB/sec execute 37 sec latency 273.076 ms 1 718 0.06 MB/sec execute 38 sec latency 133.171 ms oleg610-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 759 0.06 MB/sec execute 39 sec latency 217.131 ms 1 791 0.06 MB/sec execute 40 sec latency 229.584 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 816 0.06 MB/sec execute 41 sec latency 102.923 ms 1 873 0.06 MB/sec execute 42 sec latency 96.638 ms 1 894 0.06 MB/sec execute 43 sec latency 322.710 ms 1 919 0.06 MB/sec execute 44 sec latency 195.648 ms 1 969 0.06 MB/sec execute 45 sec latency 130.190 ms 1 988 0.06 MB/sec execute 46 sec latency 333.585 ms 1 1045 0.08 MB/sec execute 47 sec latency 151.686 ms 1 1102 0.08 MB/sec execute 48 sec latency 92.956 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1155 0.08 MB/sec execute 49 sec latency 102.432 ms 1 1215 0.08 MB/sec execute 50 sec latency 69.659 ms 1 1252 0.08 MB/sec execute 51 sec latency 102.529 ms 1 1387 0.13 MB/sec execute 52 sec latency 87.136 ms 1 1422 0.13 MB/sec execute 53 sec latency 92.530 ms 1 1481 0.13 MB/sec execute 54 sec latency 80.749 ms 1 1511 0.13 MB/sec execute 55 sec latency 234.062 ms 1 1561 0.12 MB/sec execute 56 sec latency 110.982 ms 1 1606 0.12 MB/sec execute 57 sec latency 85.274 ms 1 1646 0.12 MB/sec execute 58 sec latency 260.410 ms 1 1689 0.12 MB/sec execute 59 sec latency 113.965 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 04:17:28 EDT 2026 with return code 0 47907 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47907 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished