== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:11:50 (1788487910) 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 45263 Started dbench loop with 45264 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 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7484416 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 Sep 3 22:11:56 EDT 2026 waiting for dbench pid 45332 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 1.04 MB/sec warmup 1 sec latency 21.624 ms 1 57 1.14 MB/sec warmup 2 sec latency 190.410 ms 1 102 1.57 MB/sec warmup 3 sec latency 185.442 ms 1 137 1.50 MB/sec warmup 4 sec latency 213.838 ms 1 173 1.41 MB/sec warmup 5 sec latency 149.481 ms test_26 fail mds1 1 times 1 199 1.31 MB/sec warmup 6 sec latency 170.004 ms 1 229 1.26 MB/sec warmup 7 sec latency 130.060 ms Failing mds1 on oleg243-server 1 255 1.21 MB/sec warmup 8 sec latency 189.875 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 290 1.19 MB/sec warmup 9 sec latency 201.621 ms 1 315 1.15 MB/sec warmup 10 sec latency 188.777 ms 1 315 1.04 MB/sec warmup 11 sec latency 1092.964 ms 1 315 0.96 MB/sec warmup 12 sec latency 2093.239 ms 22:12:09 (1788487929) shut down 1 315 0.88 MB/sec warmup 13 sec latency 3095.159 ms facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 315 0.82 MB/sec warmup 14 sec latency 4095.417 ms 1 315 0.76 MB/sec warmup 15 sec latency 5097.909 ms 1 315 0.72 MB/sec warmup 16 sec latency 6100.205 ms 1 315 0.67 MB/sec warmup 17 sec latency 7100.692 ms 1 315 0.64 MB/sec warmup 18 sec latency 8101.033 ms 1 315 0.60 MB/sec warmup 19 sec latency 9101.692 ms 1 315 0.00 MB/sec execute 1 sec latency 11102.631 ms 1 315 0.00 MB/sec execute 2 sec latency 12103.374 ms 1 315 0.00 MB/sec execute 3 sec latency 13104.266 ms Failover mds1 to oleg243-server mount facets: mds1 1 315 0.00 MB/sec execute 4 sec latency 14104.720 ms 1 315 0.00 MB/sec execute 5 sec latency 15106.807 ms 1 315 0.00 MB/sec execute 6 sec latency 16107.103 ms 1 315 0.00 MB/sec execute 7 sec latency 17109.085 ms 1 315 0.00 MB/sec execute 8 sec latency 18111.390 ms 1 315 0.00 MB/sec execute 9 sec latency 19112.827 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 10 sec latency 20113.323 ms 1 315 0.00 MB/sec execute 11 sec latency 21113.525 ms 1 315 0.00 MB/sec execute 12 sec latency 22113.705 ms 1 315 0.00 MB/sec execute 13 sec latency 23114.547 ms 1 315 0.00 MB/sec execute 14 sec latency 24114.785 ms 1 315 0.00 MB/sec execute 15 sec latency 25114.976 ms 1 315 0.00 MB/sec execute 16 sec latency 26115.241 ms 1 315 0.00 MB/sec execute 17 sec latency 27115.445 ms 1 315 0.00 MB/sec execute 18 sec latency 28116.544 ms 1 315 0.00 MB/sec execute 19 sec latency 29116.766 ms 1 315 0.00 MB/sec execute 20 sec latency 30117.747 ms 1 315 0.00 MB/sec execute 21 sec latency 31117.984 ms 1 315 0.00 MB/sec execute 22 sec latency 32120.706 ms 1 315 0.00 MB/sec execute 23 sec latency 33121.090 ms 1 315 0.00 MB/sec execute 24 sec latency 34122.143 ms 1 315 0.00 MB/sec execute 25 sec latency 35122.396 ms 1 315 0.00 MB/sec execute 26 sec latency 36122.600 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 27 sec latency 37122.798 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 28 sec latency 38125.980 ms Started lustre-MDT0000 22:12:44 (1788487964) targets are mounted 22:12:44 (1788487964) facet_failover done 1 315 0.00 MB/sec execute 29 sec latency 39126.238 ms 1 323 0.01 MB/sec execute 30 sec latency 40055.947 ms 1 362 0.05 MB/sec execute 31 sec latency 199.834 ms 1 389 0.07 MB/sec execute 32 sec latency 189.393 ms 1 420 0.10 MB/sec execute 33 sec latency 185.872 ms 1 452 0.13 MB/sec execute 34 sec latency 187.998 ms 1 470 0.14 MB/sec execute 35 sec latency 228.419 ms oleg243-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 504 0.17 MB/sec execute 36 sec latency 126.593 ms 1 539 0.20 MB/sec execute 37 sec latency 139.035 ms 1 603 0.25 MB/sec execute 38 sec latency 135.535 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 649 0.25 MB/sec execute 39 sec latency 137.906 ms 1 666 0.24 MB/sec execute 40 sec latency 410.647 ms 1 686 0.24 MB/sec execute 41 sec latency 164.682 ms 1 711 0.23 MB/sec execute 42 sec latency 147.319 ms 1 731 0.23 MB/sec execute 43 sec latency 182.737 ms 1 747 0.22 MB/sec execute 44 sec latency 167.998 ms 1 781 0.22 MB/sec execute 45 sec latency 136.705 ms 1 799 0.22 MB/sec execute 46 sec latency 316.160 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3710976 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3695616 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7406592 1% /mnt/lustre 1 815 0.21 MB/sec execute 47 sec latency 212.030 ms 1 857 0.21 MB/sec execute 48 sec latency 134.194 ms 1 873 0.21 MB/sec execute 49 sec latency 494.323 ms 1 892 0.20 MB/sec execute 50 sec latency 532.584 ms 1 905 0.20 MB/sec execute 51 sec latency 257.865 ms 1 916 0.20 MB/sec execute 52 sec latency 611.099 ms 1 938 0.19 MB/sec execute 53 sec latency 238.653 ms test_26 fail mds1 2 times 1 969 0.19 MB/sec execute 54 sec latency 174.419 ms 1 985 0.19 MB/sec execute 55 sec latency 257.990 ms 1 1026 0.20 MB/sec execute 56 sec latency 171.437 ms 1 1056 0.20 MB/sec execute 57 sec latency 138.831 ms Failing mds1 on oleg243-server 1 1083 0.20 MB/sec execute 58 sec latency 118.828 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 1127 0.19 MB/sec execute 59 sec latency 100.207 ms 1 1156 0.19 MB/sec execute 60 sec latency 131.698 ms 1 1156 0.19 MB/sec execute 61 sec latency 1053.848 ms 1 1156 0.19 MB/sec execute 62 sec latency 2054.533 ms 1 1156 0.18 MB/sec execute 63 sec latency 3055.877 ms 22:13:20 (1788488000) shut down facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 1156 0.18 MB/sec execute 64 sec latency 4057.608 ms 1 1156 0.18 MB/sec execute 65 sec latency 5058.005 ms 1 1156 0.17 MB/sec execute 66 sec latency 6063.658 ms 1 1156 0.17 MB/sec execute 67 sec latency 7063.846 ms 1 1156 0.17 MB/sec execute 68 sec latency 8065.783 ms 1 1156 0.17 MB/sec execute 69 sec latency 9080.545 ms 1 1156 0.16 MB/sec execute 70 sec latency 10080.805 ms 1 1156 0.16 MB/sec execute 71 sec latency 11081.577 ms 1 1156 0.16 MB/sec execute 72 sec latency 12082.611 ms 1 1156 0.16 MB/sec execute 73 sec latency 13084.627 ms Failover mds1 to oleg243-server 1 1156 0.16 MB/sec execute 74 sec latency 14084.792 ms mount facets: mds1 1 1156 0.15 MB/sec execute 75 sec latency 15085.200 ms 1 1156 0.15 MB/sec execute 76 sec latency 16085.838 ms 1 1156 0.15 MB/sec execute 77 sec latency 17086.569 ms 1 1156 0.15 MB/sec execute 78 sec latency 18087.035 ms 1 1156 0.15 MB/sec execute 79 sec latency 19087.289 ms 1 1156 0.14 MB/sec execute 80 sec latency 20087.754 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1156 0.14 MB/sec execute 81 sec latency 21089.540 ms 1 1156 0.14 MB/sec execute 82 sec latency 22089.971 ms 1 1156 0.14 MB/sec execute 83 sec latency 23090.228 ms 1 1156 0.14 MB/sec execute 84 sec latency 24090.588 ms 1 1156 0.14 MB/sec execute 85 sec latency 25091.045 ms 1 1156 0.13 MB/sec execute 86 sec latency 26091.558 ms 1 1156 0.13 MB/sec execute 87 sec latency 27091.934 ms 1 1156 0.13 MB/sec execute 88 sec latency 28094.597 ms 1 1156 0.13 MB/sec execute 89 sec latency 29094.883 ms 1 1156 0.13 MB/sec execute 90 sec latency 30095.099 ms 1 1156 0.13 MB/sec execute 91 sec latency 31095.561 ms 1 1156 0.13 MB/sec execute 92 sec latency 32096.169 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 1156 0.12 MB/sec execute 93 sec latency 33096.463 ms 1 1156 0.12 MB/sec execute 94 sec latency 34101.968 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 1156 0.12 MB/sec execute 95 sec latency 35102.216 ms Started lustre-MDT0000 1 1156 0.12 MB/sec execute 96 sec latency 36108.437 ms 22:13:52 (1788488032) targets are mounted 22:13:52 (1788488032) facet_failover done 1 1156 0.12 MB/sec execute 97 sec latency 37108.962 ms 1 1156 0.12 MB/sec execute 98 sec latency 38110.970 ms 1 1156 0.12 MB/sec execute 99 sec latency 39111.305 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 119 435.469 40055.934 Close 110 17.131 75.343 Rename 7 118.848 228.125 Unlink 12 52.979 153.893 Qpathinfo 61 708.662 41073.504 Qfileinfo 52 2.294 19.798 Qfsinfo 26 5.987 39.911 Sfileinfo 25 81.929 159.394 Find 32 13.759 118.882 WriteX 256 16.984 76.264 ReadX 118 6.633 131.608 Flush 24 203.043 611.076 Throughput 0.116253 MB/sec 1 clients 1 procs max_latency=40055.947 ms stopping dbench on /mnt/lustre at Thu Sep 3 22:14:01 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 Thu Sep 3 22:14:08 EDT 2026 waiting for dbench pid 47276 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 1.05 MB/sec warmup 1 sec latency 111.208 ms 1 91 2.09 MB/sec warmup 2 sec latency 152.968 ms 1 130 1.92 MB/sec warmup 3 sec latency 244.269 ms 1 156 1.63 MB/sec warmup 4 sec latency 195.563 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 28672 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 21504 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7457792 1% /mnt/lustre 1 181 1.46 MB/sec warmup 5 sec latency 182.343 ms 1 197 1.31 MB/sec warmup 6 sec latency 325.711 ms 1 224 1.23 MB/sec warmup 7 sec latency 218.998 ms 1 255 1.21 MB/sec warmup 8 sec latency 136.120 ms 1 289 1.19 MB/sec warmup 9 sec latency 171.242 ms 1 331 1.20 MB/sec warmup 10 sec latency 183.796 ms 1 385 1.24 MB/sec warmup 11 sec latency 113.959 ms test_26 fail mds1 3 times 1 414 1.21 MB/sec warmup 12 sec latency 146.276 ms 1 446 1.20 MB/sec warmup 13 sec latency 141.661 ms Failing mds1 on oleg243-server 1 473 1.18 MB/sec warmup 14 sec latency 271.657 ms 1 503 1.16 MB/sec warmup 15 sec latency 136.038 ms Stopping /mnt/lustre-mds1 (opts:) on oleg243-server 1 523 1.13 MB/sec warmup 16 sec latency 214.598 ms 1 600 1.23 MB/sec warmup 17 sec latency 188.556 ms 1 600 1.16 MB/sec warmup 18 sec latency 1190.753 ms 1 600 1.10 MB/sec warmup 19 sec latency 2192.766 ms 22:14:28 (1788488068) shut down facet: mds1 facet_host: oleg243-server facet_failover_host: oleg243-server 1 600 0.00 MB/sec execute 1 sec latency 4193.230 ms 1 600 0.00 MB/sec execute 2 sec latency 5197.223 ms 1 600 0.00 MB/sec execute 3 sec latency 6197.889 ms 1 600 0.00 MB/sec execute 4 sec latency 7199.693 ms 1 600 0.00 MB/sec execute 5 sec latency 8205.212 ms 1 600 0.00 MB/sec execute 6 sec latency 9205.555 ms 1 600 0.00 MB/sec execute 7 sec latency 10205.925 ms 1 600 0.00 MB/sec execute 8 sec latency 11207.108 ms 1 600 0.00 MB/sec execute 9 sec latency 12207.327 ms Failover mds1 to oleg243-server mount facets: mds1 1 600 0.00 MB/sec execute 10 sec latency 13207.756 ms 1 600 0.00 MB/sec execute 11 sec latency 14208.076 ms 1 600 0.00 MB/sec execute 12 sec latency 15208.298 ms 1 600 0.00 MB/sec execute 13 sec latency 16213.149 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 14 sec latency 17213.422 ms 1 600 0.00 MB/sec execute 15 sec latency 18213.842 ms 1 600 0.00 MB/sec execute 16 sec latency 19214.119 ms 1 600 0.00 MB/sec execute 17 sec latency 20215.633 ms 1 600 0.00 MB/sec execute 18 sec latency 21216.813 ms 1 600 0.00 MB/sec execute 19 sec latency 22217.258 ms 1 600 0.00 MB/sec execute 20 sec latency 23217.859 ms 1 600 0.00 MB/sec execute 21 sec latency 24218.370 ms 1 600 0.00 MB/sec execute 22 sec latency 25220.356 ms 1 600 0.00 MB/sec execute 23 sec latency 26220.596 ms 1 600 0.00 MB/sec execute 24 sec latency 27221.016 ms 1 600 0.00 MB/sec execute 25 sec latency 28222.272 ms 1 600 0.00 MB/sec execute 26 sec latency 29223.929 ms 1 600 0.00 MB/sec execute 27 sec latency 30225.026 ms 1 600 0.00 MB/sec execute 28 sec latency 31225.305 ms oleg243-server: oleg243-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 29 sec latency 32225.647 ms pdsh@oleg243-client: oleg243-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 30 sec latency 33225.909 ms Started lustre-MDT0000 1 600 0.00 MB/sec execute 31 sec latency 34230.137 ms 22:15:00 (1788488100) targets are mounted 22:15:00 (1788488100) facet_failover done 1 600 0.00 MB/sec execute 32 sec latency 35231.796 ms 1 600 0.00 MB/sec execute 33 sec latency 36232.878 ms 1 600 0.00 MB/sec execute 34 sec latency 37233.139 ms 1 600 0.00 MB/sec execute 35 sec latency 38233.474 ms 1 600 0.00 MB/sec execute 36 sec latency 39234.187 ms 1 600 0.00 MB/sec execute 37 sec latency 40236.490 ms 1 600 0.00 MB/sec execute 38 sec latency 41237.528 ms 1 600 0.00 MB/sec execute 39 sec latency 42237.752 ms 1 600 0.00 MB/sec execute 40 sec latency 43238.677 ms 1 600 0.00 MB/sec execute 41 sec latency 44238.964 ms 1 600 0.00 MB/sec execute 42 sec latency 45240.097 ms 1 600 0.00 MB/sec execute 43 sec latency 46240.821 ms 1 600 0.00 MB/sec execute 44 sec latency 47241.033 ms 1 600 0.00 MB/sec execute 45 sec latency 48244.665 ms 1 612 0.00 MB/sec execute 46 sec latency 48646.413 ms 1 664 0.00 MB/sec execute 47 sec latency 243.439 ms 1 688 0.00 MB/sec execute 48 sec latency 352.244 ms 1 709 0.00 MB/sec execute 49 sec latency 167.332 ms 1 723 0.01 MB/sec execute 50 sec latency 420.618 ms 1 736 0.01 MB/sec execute 51 sec latency 171.958 ms 1 767 0.01 MB/sec execute 52 sec latency 160.575 ms oleg243-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 789 0.01 MB/sec execute 53 sec latency 148.128 ms 1 803 0.01 MB/sec execute 54 sec latency 329.579 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 825 0.01 MB/sec execute 55 sec latency 139.372 ms 1 863 0.01 MB/sec execute 56 sec latency 212.720 ms 1 878 0.01 MB/sec execute 57 sec latency 361.651 ms 1 903 0.01 MB/sec execute 58 sec latency 145.298 ms 1 923 0.01 MB/sec execute 59 sec latency 225.101 ms 1 968 0.01 MB/sec execute 60 sec latency 156.835 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 988 0.02 MB/sec execute 61 sec latency 274.344 ms 1 1011 0.02 MB/sec execute 62 sec latency 152.373 ms 1 1064 0.03 MB/sec execute 63 sec latency 289.321 ms 1 1128 0.03 MB/sec execute 64 sec latency 91.081 ms 1 1179 0.03 MB/sec execute 65 sec latency 98.858 ms 1 1231 0.03 MB/sec execute 66 sec latency 110.803 ms 1 1271 0.03 MB/sec execute 67 sec latency 176.295 ms 1 1399 0.07 MB/sec execute 68 sec latency 90.369 ms tar: Error is not recoverable: exiting now 1 1432 0.07 MB/sec execute 69 sec latency 142.017 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 3 22:15:38 EDT 2026 with return code 0 47276 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47276 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished