== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:12:01 (1786173121) Starting client oleg243-client.virtnet: -o user_xattr,flock 192.168.202.143@tcp:/lustre /mnt/lustre Started clients oleg243-client.virtnet: 192.168.202.143@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 45180 Started dbench loop with 45181 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 14336 3733504 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7495680 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 8 03:12:08 EDT 2026 waiting for dbench pid 45250 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 21 0.46 MB/sec warmup 1 sec latency 20.274 ms 1 71 1.57 MB/sec warmup 2 sec latency 155.315 ms 1 113 1.74 MB/sec warmup 3 sec latency 146.674 ms 1 152 1.60 MB/sec warmup 4 sec latency 111.814 ms test_26 fail mds1 1 times 1 181 1.46 MB/sec warmup 5 sec latency 131.162 ms 1 200 1.30 MB/sec warmup 6 sec latency 218.634 ms Failing mds1 on oleg243-server 1 234 1.27 MB/sec warmup 7 sec latency 152.873 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 264 1.24 MB/sec warmup 8 sec latency 151.682 ms 1 289 1.19 MB/sec warmup 9 sec latency 375.686 ms 1 289 1.07 MB/sec warmup 10 sec latency 1375.922 ms 1 289 0.97 MB/sec warmup 11 sec latency 2376.199 ms 03:12:20 (1786173140) shut down facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 289 0.89 MB/sec warmup 12 sec latency 3376.408 ms 1 289 0.82 MB/sec warmup 13 sec latency 4376.655 ms 1 289 0.76 MB/sec warmup 14 sec latency 5379.793 ms 1 289 0.71 MB/sec warmup 15 sec latency 6380.006 ms 1 289 0.67 MB/sec warmup 16 sec latency 7380.150 ms 1 289 0.63 MB/sec warmup 17 sec latency 8380.377 ms 1 289 0.59 MB/sec warmup 18 sec latency 9380.590 ms 1 289 0.56 MB/sec warmup 19 sec latency 10381.373 ms 1 289 0.00 MB/sec execute 1 sec latency 12381.767 ms 1 289 0.00 MB/sec execute 2 sec latency 13386.320 ms Failover mds1 to oleg243-server mount facets: mds1 1 289 0.00 MB/sec execute 3 sec latency 14386.524 ms 1 289 0.00 MB/sec execute 4 sec latency 15387.113 ms 1 289 0.00 MB/sec execute 5 sec latency 16387.320 ms 1 289 0.00 MB/sec execute 6 sec latency 17387.573 ms 1 289 0.00 MB/sec execute 7 sec latency 18387.899 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 8 sec latency 19388.421 ms 1 289 0.00 MB/sec execute 9 sec latency 20394.756 ms 1 289 0.00 MB/sec execute 10 sec latency 21395.410 ms 1 289 0.00 MB/sec execute 11 sec latency 22395.756 ms 1 289 0.00 MB/sec execute 12 sec latency 23395.968 ms 1 289 0.00 MB/sec execute 13 sec latency 24396.293 ms 1 289 0.00 MB/sec execute 14 sec latency 25396.517 ms 1 289 0.00 MB/sec execute 15 sec latency 26396.804 ms 1 289 0.00 MB/sec execute 16 sec latency 27397.029 ms 1 289 0.00 MB/sec execute 17 sec latency 28397.247 ms 1 289 0.00 MB/sec execute 18 sec latency 29397.466 ms 1 289 0.00 MB/sec execute 19 sec latency 30402.960 ms 1 289 0.00 MB/sec execute 20 sec latency 31403.190 ms 1 289 0.00 MB/sec execute 21 sec latency 32403.915 ms 1 289 0.00 MB/sec execute 22 sec latency 33405.567 ms 1 289 0.00 MB/sec execute 23 sec latency 34409.895 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 24 sec latency 35410.192 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 25 sec latency 36410.827 ms Started lustre-MDT0000 03:12:53 (1786173173) targets are mounted 03:12:53 (1786173173) facet_failover done 1 289 0.00 MB/sec execute 26 sec latency 37411.109 ms 1 289 0.00 MB/sec execute 27 sec latency 38411.625 ms 1 289 0.00 MB/sec execute 28 sec latency 39411.954 ms 1 289 0.00 MB/sec execute 29 sec latency 40412.654 ms 1 289 0.00 MB/sec execute 30 sec latency 41418.097 ms 1 319 0.03 MB/sec execute 31 sec latency 41489.092 ms 1 341 0.05 MB/sec execute 32 sec latency 249.917 ms 1 366 0.07 MB/sec execute 33 sec latency 299.621 ms 1 389 0.09 MB/sec execute 34 sec latency 145.343 ms 1 413 0.11 MB/sec execute 35 sec latency 196.913 ms 1 436 0.13 MB/sec execute 36 sec latency 209.877 ms oleg243-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 461 0.15 MB/sec execute 37 sec latency 186.217 ms 1 484 0.16 MB/sec execute 38 sec latency 218.179 ms 1 503 0.17 MB/sec execute 39 sec latency 250.771 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 519 0.18 MB/sec execute 40 sec latency 351.201 ms 1 549 0.20 MB/sec execute 41 sec latency 324.437 ms 1 607 0.24 MB/sec execute 42 sec latency 97.805 ms 1 640 0.24 MB/sec execute 43 sec latency 199.045 ms 1 660 0.24 MB/sec execute 44 sec latency 219.150 ms 1 673 0.23 MB/sec execute 45 sec latency 334.896 ms 1 699 0.23 MB/sec execute 46 sec latency 137.579 ms 1 731 0.23 MB/sec execute 47 sec latency 168.922 ms 1 749 0.22 MB/sec execute 48 sec latency 119.402 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 9216 3717120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3707904 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7425024 1% /mnt/lustre 1 778 0.22 MB/sec execute 49 sec latency 176.859 ms 1 796 0.22 MB/sec execute 50 sec latency 309.387 ms 1 811 0.21 MB/sec execute 51 sec latency 206.968 ms 1 863 0.21 MB/sec execute 52 sec latency 130.619 ms 1 882 0.21 MB/sec execute 53 sec latency 243.777 ms 1 913 0.20 MB/sec execute 54 sec latency 157.775 ms test_26 fail mds1 2 times 1 939 0.20 MB/sec execute 55 sec latency 198.262 ms 1 967 0.20 MB/sec execute 56 sec latency 192.488 ms 1 980 0.20 MB/sec execute 57 sec latency 265.875 ms Failing mds1 on oleg243-server 1 988 0.19 MB/sec execute 58 sec latency 555.105 ms 1 1042 0.21 MB/sec execute 59 sec latency 107.729 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 1074 0.20 MB/sec execute 60 sec latency 119.978 ms 1 1112 0.20 MB/sec execute 61 sec latency 151.418 ms 1 1112 0.20 MB/sec execute 62 sec latency 1073.289 ms 1 1112 0.19 MB/sec execute 63 sec latency 2074.371 ms 1 1112 0.19 MB/sec execute 64 sec latency 3074.981 ms 03:13:32 (1786173212) shut down facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 1112 0.19 MB/sec execute 65 sec latency 4075.868 ms 1 1112 0.19 MB/sec execute 66 sec latency 5076.160 ms 1 1112 0.18 MB/sec execute 67 sec latency 6078.244 ms 1 1112 0.18 MB/sec execute 68 sec latency 7078.883 ms 1 1112 0.18 MB/sec execute 69 sec latency 8079.255 ms 1 1112 0.17 MB/sec execute 70 sec latency 9080.059 ms 1 1112 0.17 MB/sec execute 71 sec latency 10081.102 ms 1 1112 0.17 MB/sec execute 72 sec latency 11082.241 ms 1 1112 0.17 MB/sec execute 73 sec latency 12084.031 ms 1 1112 0.17 MB/sec execute 74 sec latency 13085.588 ms Failover mds1 to oleg243-server mount facets: mds1 1 1112 0.16 MB/sec execute 75 sec latency 14090.550 ms 1 1112 0.16 MB/sec execute 76 sec latency 15092.103 ms 1 1112 0.16 MB/sec execute 77 sec latency 16092.777 ms 1 1112 0.16 MB/sec execute 78 sec latency 17093.326 ms 1 1112 0.16 MB/sec execute 79 sec latency 18094.031 ms 1 1112 0.15 MB/sec execute 80 sec latency 19094.484 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1112 0.15 MB/sec execute 81 sec latency 20095.219 ms 1 1112 0.15 MB/sec execute 82 sec latency 21095.499 ms 1 1112 0.15 MB/sec execute 83 sec latency 22095.694 ms 1 1112 0.15 MB/sec execute 84 sec latency 23095.971 ms 1 1112 0.14 MB/sec execute 85 sec latency 24096.238 ms 1 1112 0.14 MB/sec execute 86 sec latency 25104.486 ms 1 1112 0.14 MB/sec execute 87 sec latency 26111.151 ms 1 1112 0.14 MB/sec execute 88 sec latency 27112.960 ms 1 1112 0.14 MB/sec execute 89 sec latency 28113.220 ms 1 1112 0.14 MB/sec execute 90 sec latency 29113.527 ms 1 1112 0.13 MB/sec execute 91 sec latency 30115.916 ms 1 1112 0.13 MB/sec execute 92 sec latency 31116.343 ms 1 1112 0.13 MB/sec execute 93 sec latency 32116.934 ms 1 1112 0.13 MB/sec execute 94 sec latency 33117.179 ms 1 1112 0.13 MB/sec execute 95 sec latency 34123.536 ms 1 1112 0.13 MB/sec execute 96 sec latency 35123.731 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 1112 0.13 MB/sec execute 97 sec latency 36129.241 ms 1 1112 0.12 MB/sec execute 98 sec latency 37129.630 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 1112 0.12 MB/sec execute 99 sec latency 38131.178 ms Started lustre-MDT0000 03:14:08 (1786173248) targets are mounted 03:14:08 (1786173248) facet_failover done 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 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 116 470.168 41489.070 Close 107 397.938 40508.894 Rename 5 120.106 173.069 Unlink 12 42.459 79.348 Qpathinfo 50 27.545 119.956 Qfileinfo 54 4.675 46.247 Qfsinfo 25 6.996 40.424 Sfileinfo 20 88.605 163.909 Find 31 11.481 61.726 WriteX 268 21.850 113.601 ReadX 112 6.852 199.014 Flush 24 169.779 555.091 Throughput 0.123682 MB/sec 1 clients 1 procs max_latency=41489.092 ms stopping dbench on /mnt/lustre at Sat Aug 8 03:14:15 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg243-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 8 03:14:22 EDT 2026 waiting for dbench pid 47191 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 30 1.04 MB/sec warmup 1 sec latency 35.858 ms 1 71 1.56 MB/sec warmup 2 sec latency 202.032 ms 1 114 1.74 MB/sec warmup 3 sec latency 199.647 ms 1 147 1.56 MB/sec warmup 4 sec latency 164.133 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3735552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7450624 1% /mnt/lustre 1 173 1.41 MB/sec warmup 5 sec latency 197.847 ms 1 199 1.30 MB/sec warmup 6 sec latency 211.555 ms 1 236 1.28 MB/sec warmup 7 sec latency 140.331 ms 1 263 1.24 MB/sec warmup 8 sec latency 219.890 ms 1 289 1.19 MB/sec warmup 9 sec latency 213.782 ms 1 323 1.17 MB/sec warmup 10 sec latency 219.363 ms 1 357 1.16 MB/sec warmup 11 sec latency 202.188 ms test_26 fail mds1 3 times 1 405 1.19 MB/sec warmup 12 sec latency 88.026 ms 1 437 1.18 MB/sec warmup 13 sec latency 168.646 ms 1 465 1.16 MB/sec warmup 14 sec latency 154.949 ms Failing mds1 on oleg243-server 1 493 1.15 MB/sec warmup 15 sec latency 197.589 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 519 1.12 MB/sec warmup 16 sec latency 204.277 ms 1 603 1.23 MB/sec warmup 17 sec latency 142.966 ms 1 603 1.16 MB/sec warmup 18 sec latency 1124.450 ms 1 603 1.10 MB/sec warmup 19 sec latency 2124.589 ms 03:14:42 (1786173282) shut down facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 603 0.00 MB/sec execute 1 sec latency 4127.102 ms 1 603 0.00 MB/sec execute 2 sec latency 5127.310 ms 1 603 0.00 MB/sec execute 3 sec latency 6129.660 ms 1 603 0.00 MB/sec execute 4 sec latency 7129.819 ms 1 603 0.00 MB/sec execute 5 sec latency 8132.250 ms 1 603 0.00 MB/sec execute 6 sec latency 9132.449 ms 1 603 0.00 MB/sec execute 7 sec latency 10132.665 ms 1 603 0.00 MB/sec execute 8 sec latency 11132.855 ms 1 603 0.00 MB/sec execute 9 sec latency 12133.003 ms 1 603 0.00 MB/sec execute 10 sec latency 13133.358 ms Failover mds1 to oleg243-server mount facets: mds1 1 603 0.00 MB/sec execute 11 sec latency 14133.550 ms 1 603 0.00 MB/sec execute 12 sec latency 15133.794 ms 1 603 0.00 MB/sec execute 13 sec latency 16134.023 ms 1 603 0.00 MB/sec execute 14 sec latency 17134.277 ms 1 603 0.00 MB/sec execute 15 sec latency 18138.484 ms 1 603 0.00 MB/sec execute 16 sec latency 19141.544 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 603 0.00 MB/sec execute 17 sec latency 20143.523 ms 1 603 0.00 MB/sec execute 18 sec latency 21143.840 ms 1 603 0.00 MB/sec execute 19 sec latency 22144.179 ms 1 603 0.00 MB/sec execute 20 sec latency 23144.385 ms 1 603 0.00 MB/sec execute 21 sec latency 24144.722 ms 1 603 0.00 MB/sec execute 22 sec latency 25145.527 ms 1 603 0.00 MB/sec execute 23 sec latency 26146.146 ms 1 603 0.00 MB/sec execute 24 sec latency 27148.130 ms 1 603 0.00 MB/sec execute 25 sec latency 28148.392 ms 1 603 0.00 MB/sec execute 26 sec latency 29150.665 ms 1 603 0.00 MB/sec execute 27 sec latency 30150.961 ms 1 603 0.00 MB/sec execute 28 sec latency 31151.344 ms 1 603 0.00 MB/sec execute 29 sec latency 32152.177 ms 1 603 0.00 MB/sec execute 30 sec latency 33152.737 ms 1 603 0.00 MB/sec execute 31 sec latency 34153.092 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 603 0.00 MB/sec execute 32 sec latency 35153.404 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 603 0.00 MB/sec execute 33 sec latency 36154.270 ms Started lustre-MDT0000 03:15:16 (1786173316) targets are mounted 03:15:16 (1786173316) facet_failover done 1 603 0.00 MB/sec execute 34 sec latency 37154.604 ms 1 603 0.00 MB/sec execute 35 sec latency 38160.750 ms 1 603 0.00 MB/sec execute 36 sec latency 39167.881 ms 1 603 0.00 MB/sec execute 37 sec latency 40168.105 ms 1 612 0.00 MB/sec execute 38 sec latency 40874.651 ms 1 666 0.00 MB/sec execute 39 sec latency 219.735 ms 1 695 0.01 MB/sec execute 40 sec latency 130.160 ms 1 721 0.01 MB/sec execute 41 sec latency 188.779 ms 1 740 0.01 MB/sec execute 42 sec latency 286.816 ms oleg243-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.01 MB/sec execute 43 sec latency 154.478 ms 1 796 0.01 MB/sec execute 44 sec latency 316.592 ms 1 808 0.01 MB/sec execute 45 sec latency 156.675 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.01 MB/sec execute 46 sec latency 224.001 ms 1 876 0.01 MB/sec execute 47 sec latency 321.881 ms 1 900 0.01 MB/sec execute 48 sec latency 157.392 ms 1 923 0.02 MB/sec execute 49 sec latency 174.769 ms 1 957 0.02 MB/sec execute 50 sec latency 158.030 ms 1 980 0.02 MB/sec execute 51 sec latency 173.433 ms 1 1001 0.02 MB/sec execute 52 sec latency 298.414 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1051 0.04 MB/sec execute 53 sec latency 213.985 ms 1 1099 0.04 MB/sec execute 54 sec latency 85.484 ms 1 1147 0.04 MB/sec execute 55 sec latency 91.731 ms 1 1195 0.04 MB/sec execute 56 sec latency 117.634 ms 1 1224 0.04 MB/sec execute 57 sec latency 185.109 ms 1 1257 0.04 MB/sec execute 58 sec latency 138.008 ms 1 1382 0.09 MB/sec execute 59 sec latency 151.811 ms 1 1417 0.08 MB/sec execute 60 sec latency 135.074 ms 1 1465 0.08 MB/sec execute 61 sec latency 74.432 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 8 03:15:44 EDT 2026 with return code 0 1 1497 0.08 MB/sec execute 62 sec latency 391.345 ms 47191 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47191 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished