== replay-dual test 26: dbench and tar with mds failover ========================================================== 08:48:38 (1787662118) Starting client oleg216-client.virtnet: -o user_xattr,flock 192.168.202.116@tcp:/lustre /mnt/lustre Started clients oleg216-client.virtnet: 192.168.202.116@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 45247 Started dbench loop with 45249 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 6144 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7497728 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 Tue Aug 25 08:48:44 EDT 2026 waiting for dbench pid 45317 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 16 0.13 MB/sec warmup 1 sec latency 152.299 ms 1 66 1.44 MB/sec warmup 2 sec latency 167.474 ms 1 111 1.74 MB/sec warmup 3 sec latency 159.261 ms 1 137 1.50 MB/sec warmup 4 sec latency 233.079 ms 1 162 1.33 MB/sec warmup 5 sec latency 181.576 ms test_26 fail mds1 1 times 1 184 1.23 MB/sec warmup 6 sec latency 215.662 ms 1 207 1.16 MB/sec warmup 7 sec latency 193.193 ms Failing mds1 on oleg216-server 1 229 1.10 MB/sec warmup 8 sec latency 285.053 ms Stopping /mnt/lustre-mds1 (opts:) on oleg216-server 1 263 1.10 MB/sec warmup 9 sec latency 153.396 ms 1 296 1.09 MB/sec warmup 10 sec latency 136.110 ms 1 296 1.00 MB/sec warmup 11 sec latency 1136.418 ms 1 296 0.91 MB/sec warmup 12 sec latency 2137.826 ms 08:48:57 (1787662137) shut down facet: mds1 facet_host: oleg216-server facet_failover_host: oleg216-server 1 296 0.84 MB/sec warmup 13 sec latency 3138.200 ms 1 296 0.78 MB/sec warmup 14 sec latency 4139.864 ms 1 296 0.73 MB/sec warmup 15 sec latency 5140.212 ms 1 296 0.68 MB/sec warmup 16 sec latency 6147.324 ms 1 296 0.64 MB/sec warmup 17 sec latency 7147.649 ms 1 296 0.61 MB/sec warmup 18 sec latency 8147.927 ms 1 296 0.58 MB/sec warmup 19 sec latency 9148.208 ms 1 296 0.00 MB/sec execute 1 sec latency 11150.967 ms 1 296 0.00 MB/sec execute 2 sec latency 12153.246 ms Failover mds1 to oleg216-server 1 296 0.00 MB/sec execute 3 sec latency 13164.152 ms mount facets: mds1 1 296 0.00 MB/sec execute 4 sec latency 14165.193 ms 1 296 0.00 MB/sec execute 5 sec latency 15165.485 ms 1 296 0.00 MB/sec execute 6 sec latency 16165.828 ms 1 296 0.00 MB/sec execute 7 sec latency 17166.174 ms 1 296 0.00 MB/sec execute 8 sec latency 18166.415 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 9 sec latency 19168.416 ms 1 296 0.00 MB/sec execute 10 sec latency 20172.364 ms 1 296 0.00 MB/sec execute 11 sec latency 21173.173 ms 1 296 0.00 MB/sec execute 12 sec latency 22173.402 ms 1 296 0.00 MB/sec execute 13 sec latency 23174.724 ms 1 296 0.00 MB/sec execute 14 sec latency 24175.443 ms 1 296 0.00 MB/sec execute 15 sec latency 25176.867 ms 1 296 0.00 MB/sec execute 16 sec latency 26178.884 ms oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 17 sec latency 27181.109 ms 1 296 0.00 MB/sec execute 18 sec latency 28183.156 ms pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 19 sec latency 29183.451 ms Started lustre-MDT0000 08:49:24 (1787662164) targets are mounted 08:49:24 (1787662164) facet_failover done 1 296 0.00 MB/sec execute 20 sec latency 30183.691 ms 1 296 0.00 MB/sec execute 21 sec latency 31195.402 ms 1 296 0.00 MB/sec execute 22 sec latency 32195.655 ms 1 296 0.00 MB/sec execute 23 sec latency 33195.932 ms 1 296 0.00 MB/sec execute 24 sec latency 34196.174 ms 1 296 0.00 MB/sec execute 25 sec latency 35196.661 ms 1 296 0.00 MB/sec execute 26 sec latency 36198.670 ms 1 296 0.00 MB/sec execute 27 sec latency 37199.064 ms 1 296 0.00 MB/sec execute 28 sec latency 38202.527 ms 1 296 0.00 MB/sec execute 29 sec latency 39202.743 ms 1 297 0.00 MB/sec execute 30 sec latency 40188.805 ms 1 313 0.02 MB/sec execute 31 sec latency 542.223 ms 1 340 0.04 MB/sec execute 32 sec latency 165.807 ms 1 373 0.07 MB/sec execute 33 sec latency 159.923 ms 1 408 0.10 MB/sec execute 34 sec latency 194.773 ms 1 436 0.13 MB/sec execute 35 sec latency 146.497 ms 1 464 0.14 MB/sec execute 36 sec latency 166.528 ms oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 497 0.17 MB/sec execute 37 sec latency 112.509 ms 1 525 0.19 MB/sec execute 38 sec latency 186.455 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 612 0.26 MB/sec execute 39 sec latency 120.385 ms 1 656 0.25 MB/sec execute 40 sec latency 129.184 ms 1 678 0.25 MB/sec execute 41 sec latency 155.507 ms 1 706 0.24 MB/sec execute 42 sec latency 159.086 ms 1 723 0.24 MB/sec execute 43 sec latency 302.387 ms 1 749 0.23 MB/sec execute 44 sec latency 123.746 ms 1 786 0.23 MB/sec execute 45 sec latency 128.784 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3689472 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3742720 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7432192 1% /mnt/lustre 1 803 0.23 MB/sec execute 46 sec latency 228.541 ms 1 845 0.23 MB/sec execute 47 sec latency 118.814 ms 1 873 0.22 MB/sec execute 48 sec latency 141.422 ms 1 898 0.22 MB/sec execute 49 sec latency 242.768 ms 1 918 0.22 MB/sec execute 50 sec latency 257.760 ms 1 952 0.21 MB/sec execute 51 sec latency 137.366 ms test_26 fail mds1 2 times 1 980 0.21 MB/sec execute 52 sec latency 188.912 ms 1 988 0.21 MB/sec execute 53 sec latency 425.228 ms 1 1039 0.22 MB/sec execute 54 sec latency 170.508 ms Failing mds1 on oleg216-server 1 1074 0.22 MB/sec execute 55 sec latency 119.476 ms Stopping /mnt/lustre-mds1 (opts:) on oleg216-server 1 1119 0.21 MB/sec execute 56 sec latency 111.455 ms 1 1147 0.21 MB/sec execute 57 sec latency 101.337 ms 1 1147 0.21 MB/sec execute 58 sec latency 1036.579 ms 1 1147 0.20 MB/sec execute 59 sec latency 2037.156 ms 1 1147 0.20 MB/sec execute 60 sec latency 3038.527 ms 08:50:05 (1787662205) shut down facet: mds1 facet_host: oleg216-server facet_failover_host: oleg216-server 1 1147 0.20 MB/sec execute 61 sec latency 4039.100 ms 1 1147 0.19 MB/sec execute 62 sec latency 5039.602 ms 1 1147 0.19 MB/sec execute 63 sec latency 6041.813 ms 1 1147 0.19 MB/sec execute 64 sec latency 7042.257 ms 1 1147 0.18 MB/sec execute 65 sec latency 8042.581 ms 1 1147 0.18 MB/sec execute 66 sec latency 9043.646 ms 1 1147 0.18 MB/sec execute 67 sec latency 10044.124 ms 1 1147 0.18 MB/sec execute 68 sec latency 11045.583 ms 1 1147 0.17 MB/sec execute 69 sec latency 12046.840 ms 1 1147 0.17 MB/sec execute 70 sec latency 13047.993 ms Failover mds1 to oleg216-server mount facets: mds1 1 1147 0.17 MB/sec execute 71 sec latency 14048.134 ms 1 1147 0.17 MB/sec execute 72 sec latency 15048.497 ms 1 1147 0.16 MB/sec execute 73 sec latency 16048.800 ms 1 1147 0.16 MB/sec execute 74 sec latency 17051.125 ms 1 1147 0.16 MB/sec execute 75 sec latency 18051.453 ms 1 1147 0.16 MB/sec execute 76 sec latency 19051.760 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1147 0.16 MB/sec execute 77 sec latency 20052.745 ms 1 1147 0.15 MB/sec execute 78 sec latency 21053.010 ms 1 1147 0.15 MB/sec execute 79 sec latency 22053.763 ms 1 1147 0.15 MB/sec execute 80 sec latency 23054.113 ms 1 1147 0.15 MB/sec execute 81 sec latency 24054.376 ms 1 1147 0.15 MB/sec execute 82 sec latency 25054.632 ms 1 1147 0.14 MB/sec execute 83 sec latency 26056.725 ms 1 1147 0.14 MB/sec execute 84 sec latency 27059.229 ms 1 1147 0.14 MB/sec execute 85 sec latency 28066.192 ms 1 1147 0.14 MB/sec execute 86 sec latency 29067.620 ms 1 1147 0.14 MB/sec execute 87 sec latency 30068.245 ms 1 1147 0.14 MB/sec execute 88 sec latency 31068.480 ms 1 1147 0.13 MB/sec execute 89 sec latency 32068.989 ms 1 1147 0.13 MB/sec execute 90 sec latency 33072.018 ms 1 1147 0.13 MB/sec execute 91 sec latency 34073.359 ms 1 1147 0.13 MB/sec execute 92 sec latency 35074.443 ms 1 1147 0.13 MB/sec execute 93 sec latency 36076.520 ms 1 1147 0.13 MB/sec execute 94 sec latency 37079.629 ms oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 1147 0.13 MB/sec execute 95 sec latency 38085.212 ms pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 1147 0.13 MB/sec execute 96 sec latency 39085.488 ms Started lustre-MDT0000 08:50:42 (1787662242) targets are mounted 08:50:42 (1787662242) facet_failover done 1 1147 0.12 MB/sec execute 97 sec latency 40087.414 ms 1 1182 0.12 MB/sec execute 98 sec latency 40155.036 ms 1 1223 0.12 MB/sec execute 99 sec latency 133.441 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 138 91.171 542.198 Close 128 328.959 40188.779 Rename 10 4095.086 40155.000 Unlink 15 36.527 48.831 Qpathinfo 87 27.263 133.410 Qfileinfo 57 2.743 11.751 Qfsinfo 30 7.400 37.142 Sfileinfo 31 71.849 150.684 Find 38 9.458 65.656 WriteX 274 16.630 114.637 ReadX 130 6.187 98.030 Flush 24 141.922 425.201 Throughput 0.122101 MB/sec 1 clients 1 procs max_latency=40188.805 ms oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 stopping dbench on /mnt/lustre at Tue Aug 25 08:50:49 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Tue Aug 25 08:50:56 EDT 2026 waiting for dbench pid 47312 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 1.05 MB/sec warmup 1 sec latency 18.323 ms 1 75 1.60 MB/sec warmup 2 sec latency 133.524 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3687424 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7402496 1% /mnt/lustre 1 120 1.83 MB/sec warmup 3 sec latency 189.212 ms 1 157 1.63 MB/sec warmup 4 sec latency 190.074 ms 1 190 1.52 MB/sec warmup 5 sec latency 211.933 ms 1 215 1.39 MB/sec warmup 6 sec latency 233.863 ms 1 239 1.31 MB/sec warmup 7 sec latency 233.824 ms 1 273 1.27 MB/sec warmup 8 sec latency 211.001 ms test_26 fail mds1 3 times 1 300 1.22 MB/sec warmup 9 sec latency 185.901 ms 1 323 1.17 MB/sec warmup 10 sec latency 192.116 ms 1 342 1.11 MB/sec warmup 11 sec latency 193.603 ms Failing mds1 on oleg216-server 1 370 1.10 MB/sec warmup 12 sec latency 217.147 ms Stopping /mnt/lustre-mds1 (opts:) on oleg216-server 1 398 1.08 MB/sec warmup 13 sec latency 165.240 ms 1 436 1.10 MB/sec warmup 14 sec latency 211.630 ms 1 436 1.02 MB/sec warmup 15 sec latency 1211.910 ms 1 436 0.96 MB/sec warmup 16 sec latency 2213.924 ms 1 436 0.90 MB/sec warmup 17 sec latency 3215.010 ms 08:51:14 (1787662274) shut down facet: mds1 facet_host: oleg216-server facet_failover_host: oleg216-server 1 436 0.85 MB/sec warmup 18 sec latency 4215.308 ms 1 436 0.81 MB/sec warmup 19 sec latency 5215.774 ms 1 436 0.00 MB/sec execute 1 sec latency 7217.593 ms 1 436 0.00 MB/sec execute 2 sec latency 8217.840 ms 1 436 0.00 MB/sec execute 3 sec latency 9218.161 ms 1 436 0.00 MB/sec execute 4 sec latency 10218.543 ms 1 436 0.00 MB/sec execute 5 sec latency 11220.984 ms 1 436 0.00 MB/sec execute 6 sec latency 12221.180 ms 1 436 0.00 MB/sec execute 7 sec latency 13225.125 ms Failover mds1 to oleg216-server mount facets: mds1 1 436 0.00 MB/sec execute 8 sec latency 14226.353 ms 1 436 0.00 MB/sec execute 9 sec latency 15231.124 ms 1 436 0.00 MB/sec execute 10 sec latency 16231.809 ms 1 436 0.00 MB/sec execute 11 sec latency 17232.092 ms 1 436 0.00 MB/sec execute 12 sec latency 18232.363 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 436 0.00 MB/sec execute 13 sec latency 19233.286 ms 1 436 0.00 MB/sec execute 14 sec latency 20233.586 ms 1 436 0.00 MB/sec execute 15 sec latency 21233.825 ms 1 436 0.00 MB/sec execute 16 sec latency 22236.057 ms 1 436 0.00 MB/sec execute 17 sec latency 23236.423 ms 1 436 0.00 MB/sec execute 18 sec latency 24236.627 ms 1 436 0.00 MB/sec execute 19 sec latency 25237.671 ms 1 436 0.00 MB/sec execute 20 sec latency 26237.824 ms 1 436 0.00 MB/sec execute 21 sec latency 27238.033 ms 1 436 0.00 MB/sec execute 22 sec latency 28238.398 ms 1 436 0.00 MB/sec execute 23 sec latency 29241.675 ms 1 436 0.00 MB/sec execute 24 sec latency 30241.915 ms 1 436 0.00 MB/sec execute 25 sec latency 31243.581 ms 1 436 0.00 MB/sec execute 26 sec latency 32245.613 ms 1 436 0.00 MB/sec execute 27 sec latency 33246.398 ms 1 436 0.00 MB/sec execute 28 sec latency 34247.115 ms 1 436 0.00 MB/sec execute 29 sec latency 35247.580 ms 1 436 0.00 MB/sec execute 30 sec latency 36248.452 ms oleg216-server: oleg216-server.virtnet: executing set_default_debug -1 all 1 436 0.00 MB/sec execute 31 sec latency 37248.855 ms pdsh@oleg216-client: oleg216-server: ssh exited with exit code 1 1 436 0.00 MB/sec execute 32 sec latency 38249.117 ms Started lustre-MDT0000 08:51:49 (1787662309) targets are mounted 08:51:49 (1787662309) facet_failover done 1 436 0.00 MB/sec execute 33 sec latency 39249.913 ms 1 436 0.00 MB/sec execute 34 sec latency 40250.149 ms 1 445 0.01 MB/sec execute 35 sec latency 40798.454 ms 1 494 0.05 MB/sec execute 36 sec latency 139.011 ms 1 531 0.08 MB/sec execute 37 sec latency 162.221 ms 1 616 0.15 MB/sec execute 38 sec latency 128.583 ms oleg216-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 666 0.15 MB/sec execute 39 sec latency 214.410 ms 1 695 0.15 MB/sec execute 40 sec latency 126.471 ms 1 721 0.14 MB/sec execute 41 sec latency 255.186 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 735 0.14 MB/sec execute 42 sec latency 348.531 ms 1 767 0.14 MB/sec execute 43 sec latency 140.608 ms 1 789 0.14 MB/sec execute 44 sec latency 237.542 ms 1 799 0.14 MB/sec execute 45 sec latency 346.449 ms 1 821 0.13 MB/sec execute 46 sec latency 200.218 ms 1 870 0.13 MB/sec execute 47 sec latency 107.521 ms 1 887 0.13 MB/sec execute 48 sec latency 270.150 ms 1 913 0.13 MB/sec execute 49 sec latency 196.796 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 940 0.13 MB/sec execute 50 sec latency 243.690 ms 1 970 0.13 MB/sec execute 51 sec latency 155.219 ms 1 986 0.13 MB/sec execute 52 sec latency 361.716 ms 1 1050 0.14 MB/sec execute 53 sec latency 123.662 ms 1 1077 0.14 MB/sec execute 54 sec latency 118.100 ms 1 1128 0.14 MB/sec execute 55 sec latency 96.924 ms 1 1155 0.14 MB/sec execute 56 sec latency 123.007 ms 1 1181 0.13 MB/sec execute 57 sec latency 204.970 ms 1 1223 0.13 MB/sec execute 58 sec latency 98.813 ms 1 1252 0.13 MB/sec execute 59 sec latency 104.417 ms 1 1384 0.18 MB/sec execute 60 sec latency 113.710 ms tar: Error is not recoverable: exiting now 1 1419 0.17 MB/sec execute 61 sec latency 125.949 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Aug 25 08:52:18 EDT 2026 with return code 0 47312 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47312 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished