== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:18:56 (1775765936) Starting client oleg456-client.virtnet: -o user_xattr,flock 192.168.204.156@tcp:/lustre /mnt/lustre Started clients oleg456-client.virtnet: 192.168.204.156@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44779 Started dbench loop with 44781 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3734528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7499776 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 Apr 9 16:19:02 EDT 2026 waiting for dbench pid 44848 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 29 0.98 MB/sec warmup 1 sec latency 29.139 ms 1 58 1.18 MB/sec warmup 2 sec latency 225.999 ms 1 111 1.74 MB/sec warmup 3 sec latency 158.807 ms 1 137 1.50 MB/sec warmup 4 sec latency 232.639 ms 1 157 1.31 MB/sec warmup 5 sec latency 176.669 ms test_26 fail mds1 1 times 1 184 1.23 MB/sec warmup 6 sec latency 191.447 ms 1 207 1.15 MB/sec warmup 7 sec latency 303.089 ms Failing mds1 on oleg456-server 1 230 1.11 MB/sec warmup 8 sec latency 221.487 ms Stopping /mnt/lustre-mds1 (opts:) on oleg456-server 1 256 1.07 MB/sec warmup 9 sec latency 160.181 ms 1 286 1.07 MB/sec warmup 10 sec latency 135.269 ms 1 286 0.97 MB/sec warmup 11 sec latency 1023.342 ms 1 286 0.89 MB/sec warmup 12 sec latency 2026.896 ms 16:19:15 (1775765955) shut down facet: mds1 facet_host: oleg456-server facet_failover_host: oleg456-server 1 286 0.82 MB/sec warmup 13 sec latency 3027.170 ms 1 286 0.76 MB/sec warmup 14 sec latency 4031.734 ms 1 286 0.71 MB/sec warmup 15 sec latency 5033.565 ms 1 286 0.67 MB/sec warmup 16 sec latency 6035.517 ms 1 286 0.63 MB/sec warmup 17 sec latency 7035.785 ms 1 286 0.59 MB/sec warmup 18 sec latency 8036.136 ms 1 286 0.56 MB/sec warmup 19 sec latency 9041.004 ms 1 286 0.00 MB/sec execute 1 sec latency 11042.569 ms 1 286 0.00 MB/sec execute 2 sec latency 12043.151 ms Failover mds1 to oleg456-server 1 286 0.00 MB/sec execute 3 sec latency 13043.361 ms mount facets: mds1 1 286 0.00 MB/sec execute 4 sec latency 14043.613 ms 1 286 0.00 MB/sec execute 5 sec latency 15043.956 ms 1 286 0.00 MB/sec execute 6 sec latency 16045.680 ms 1 286 0.00 MB/sec execute 7 sec latency 17047.203 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 286 0.00 MB/sec execute 8 sec latency 18047.459 ms 1 286 0.00 MB/sec execute 9 sec latency 19048.230 ms 1 286 0.00 MB/sec execute 10 sec latency 20049.473 ms 1 286 0.00 MB/sec execute 11 sec latency 21049.729 ms 1 286 0.00 MB/sec execute 12 sec latency 22049.994 ms 1 286 0.00 MB/sec execute 13 sec latency 23051.225 ms 1 286 0.00 MB/sec execute 14 sec latency 24051.499 ms 1 286 0.00 MB/sec execute 15 sec latency 25052.459 ms 1 286 0.00 MB/sec execute 16 sec latency 26052.711 ms 1 286 0.00 MB/sec execute 17 sec latency 27053.034 ms 1 286 0.00 MB/sec execute 18 sec latency 28053.342 ms 1 286 0.00 MB/sec execute 19 sec latency 29053.939 ms 1 286 0.00 MB/sec execute 20 sec latency 30054.529 ms 1 286 0.00 MB/sec execute 21 sec latency 31055.357 ms 1 286 0.00 MB/sec execute 22 sec latency 32055.627 ms 1 286 0.00 MB/sec execute 23 sec latency 33059.109 ms 1 286 0.00 MB/sec execute 24 sec latency 34059.652 ms oleg456-server: oleg456-server.virtnet: executing set_default_debug -1 all 1 286 0.00 MB/sec execute 25 sec latency 35061.440 ms pdsh@oleg456-client: oleg456-server: ssh exited with exit code 1 1 286 0.00 MB/sec execute 26 sec latency 36061.698 ms 1 286 0.00 MB/sec execute 27 sec latency 37062.404 ms Started lustre-MDT0000 16:19:49 (1775765989) targets are mounted 16:19:49 (1775765989) facet_failover done 1 286 0.00 MB/sec execute 28 sec latency 38062.675 ms 1 286 0.00 MB/sec execute 29 sec latency 39063.100 ms 1 286 0.00 MB/sec execute 30 sec latency 40065.312 ms 1 286 0.00 MB/sec execute 31 sec latency 41066.106 ms 1 289 0.00 MB/sec execute 32 sec latency 41470.224 ms 1 319 0.03 MB/sec execute 33 sec latency 212.072 ms 1 341 0.05 MB/sec execute 34 sec latency 229.931 ms oleg456-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 365 0.07 MB/sec execute 35 sec latency 181.422 ms 1 388 0.09 MB/sec execute 36 sec latency 184.026 ms 1 405 0.10 MB/sec execute 37 sec latency 202.042 ms 1 428 0.12 MB/sec execute 38 sec latency 211.717 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 445 0.13 MB/sec execute 39 sec latency 261.109 ms 1 462 0.14 MB/sec execute 40 sec latency 198.674 ms 1 477 0.15 MB/sec execute 41 sec latency 284.154 ms 1 493 0.15 MB/sec execute 42 sec latency 295.858 ms 1 511 0.16 MB/sec execute 43 sec latency 259.594 ms 1 531 0.18 MB/sec execute 44 sec latency 226.661 ms 1 583 0.20 MB/sec execute 45 sec latency 266.790 ms 1 640 0.22 MB/sec execute 46 sec latency 133.336 ms 1 661 0.22 MB/sec execute 47 sec latency 149.137 ms 1 673 0.22 MB/sec execute 48 sec latency 268.282 ms 1 687 0.21 MB/sec execute 49 sec latency 277.517 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7434240 1% /mnt/lustre 1 695 0.21 MB/sec execute 50 sec latency 388.447 ms 1 710 0.21 MB/sec execute 51 sec latency 258.550 ms 1 721 0.20 MB/sec execute 52 sec latency 362.403 ms 1 730 0.20 MB/sec execute 53 sec latency 467.579 ms 1 740 0.20 MB/sec execute 54 sec latency 218.918 ms 1 769 0.19 MB/sec execute 55 sec latency 194.642 ms 1 789 0.19 MB/sec execute 56 sec latency 184.629 ms 1 801 0.19 MB/sec execute 57 sec latency 376.824 ms test_26 fail mds1 2 times 1 845 0.19 MB/sec execute 58 sec latency 186.876 ms 1 873 0.19 MB/sec execute 59 sec latency 137.797 ms 1 882 0.18 MB/sec execute 60 sec latency 389.233 ms Failing mds1 on oleg456-server 1 898 0.18 MB/sec execute 61 sec latency 200.913 ms 1 913 0.18 MB/sec execute 62 sec latency 290.952 ms Stopping /mnt/lustre-mds1 (opts:) on oleg456-server 1 918 0.18 MB/sec execute 63 sec latency 598.363 ms 1 938 0.17 MB/sec execute 64 sec latency 177.875 ms 1 954 0.17 MB/sec execute 65 sec latency 615.585 ms 1 954 0.17 MB/sec execute 66 sec latency 1615.773 ms 1 954 0.17 MB/sec execute 67 sec latency 2616.057 ms 16:20:30 (1775766030) shut down facet: mds1 facet_host: oleg456-server facet_failover_host: oleg456-server 1 954 0.16 MB/sec execute 68 sec latency 3616.270 ms 1 954 0.16 MB/sec execute 69 sec latency 4616.556 ms 1 954 0.16 MB/sec execute 70 sec latency 5616.852 ms 1 954 0.16 MB/sec execute 71 sec latency 6617.638 ms 1 954 0.15 MB/sec execute 72 sec latency 7619.328 ms 1 954 0.15 MB/sec execute 73 sec latency 8619.524 ms 1 954 0.15 MB/sec execute 74 sec latency 9620.896 ms 1 954 0.15 MB/sec execute 75 sec latency 10621.161 ms 1 954 0.15 MB/sec execute 76 sec latency 11622.006 ms 1 954 0.14 MB/sec execute 77 sec latency 12622.182 ms 1 954 0.14 MB/sec execute 78 sec latency 13622.634 ms Failover mds1 to oleg456-server mount facets: mds1 1 954 0.14 MB/sec execute 79 sec latency 14622.912 ms 1 954 0.14 MB/sec execute 80 sec latency 15624.213 ms 1 954 0.14 MB/sec execute 81 sec latency 16624.647 ms 1 954 0.14 MB/sec execute 82 sec latency 17625.029 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 954 0.13 MB/sec execute 83 sec latency 18626.169 ms 1 954 0.13 MB/sec execute 84 sec latency 19626.398 ms 1 954 0.13 MB/sec execute 85 sec latency 20627.417 ms 1 954 0.13 MB/sec execute 86 sec latency 21628.036 ms 1 954 0.13 MB/sec execute 87 sec latency 22628.378 ms 1 954 0.13 MB/sec execute 88 sec latency 23631.348 ms 1 954 0.12 MB/sec execute 89 sec latency 24631.565 ms 1 954 0.12 MB/sec execute 90 sec latency 25633.558 ms 1 954 0.12 MB/sec execute 91 sec latency 26635.627 ms 1 954 0.12 MB/sec execute 92 sec latency 27636.296 ms 1 954 0.12 MB/sec execute 93 sec latency 28636.549 ms 1 954 0.12 MB/sec execute 94 sec latency 29641.384 ms 1 954 0.12 MB/sec execute 95 sec latency 30641.882 ms 1 954 0.12 MB/sec execute 96 sec latency 31642.713 ms 1 954 0.11 MB/sec execute 97 sec latency 32642.971 ms 1 954 0.11 MB/sec execute 98 sec latency 33645.314 ms 1 954 0.11 MB/sec execute 99 sec latency 34645.704 ms oleg456-server: oleg456-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec 1 cleanup 101 sec pdsh@oleg456-client: oleg456-server: ssh exited with exit code 1 1 cleanup 102 sec Started lustre-MDT0000 16:21:05 (1775766065) targets are mounted 16:21:05 (1775766065) facet_failover done 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 oleg456-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 110 sec 0 cleanup 111 sec 0 cleanup 111 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 95 151.285 388.422 Close 88 974.409 42213.892 Rename 3 243.436 290.923 Unlink 8 46.649 63.914 Qpathinfo 25 32.156 117.761 Qfileinfo 51 6.113 29.581 Qfsinfo 17 3.627 24.675 Sfileinfo 15 121.314 229.424 Find 23 11.573 37.290 WriteX 243 25.612 148.692 ReadX 79 5.691 100.750 Flush 22 254.469 598.340 Throughput 0.111938 MB/sec 1 clients 1 procs max_latency=41470.224 ms stopping dbench on /mnt/lustre at Thu Apr 9 16:21:14 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 Thu Apr 9 16:21:22 EDT 2026 waiting for dbench pid 46799 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 23 0.59 MB/sec warmup 1 sec latency 12.869 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3695616 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3760128 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7455744 1% /mnt/lustre 1 84 1.90 MB/sec warmup 2 sec latency 150.546 ms 1 113 1.74 MB/sec warmup 3 sec latency 248.918 ms 1 137 1.50 MB/sec warmup 4 sec latency 179.936 ms 1 155 1.31 MB/sec warmup 5 sec latency 222.983 ms 1 173 1.17 MB/sec warmup 6 sec latency 225.795 ms 1 197 1.11 MB/sec warmup 7 sec latency 257.556 ms 1 223 1.07 MB/sec warmup 8 sec latency 223.466 ms test_26 fail mds1 3 times 1 248 1.04 MB/sec warmup 9 sec latency 214.949 ms 1 272 1.01 MB/sec warmup 10 sec latency 222.580 ms 1 294 0.98 MB/sec warmup 11 sec latency 200.410 ms Failing mds1 on oleg456-server 1 315 0.95 MB/sec warmup 12 sec latency 181.232 ms 1 339 0.94 MB/sec warmup 13 sec latency 262.286 ms Stopping /mnt/lustre-mds1 (opts:) on oleg456-server 1 360 0.91 MB/sec warmup 14 sec latency 247.381 ms 1 380 0.90 MB/sec warmup 15 sec latency 359.264 ms 1 380 0.84 MB/sec warmup 16 sec latency 1360.506 ms 1 380 0.79 MB/sec warmup 17 sec latency 2361.402 ms 16:21:41 (1775766101) shut down 1 380 0.75 MB/sec warmup 18 sec latency 3378.808 ms facet: mds1 facet_host: oleg456-server facet_failover_host: oleg456-server 1 380 0.71 MB/sec warmup 19 sec latency 4379.035 ms 1 380 0.00 MB/sec execute 1 sec latency 6379.625 ms 1 380 0.00 MB/sec execute 2 sec latency 7383.471 ms 1 380 0.00 MB/sec execute 3 sec latency 8383.748 ms 1 380 0.00 MB/sec execute 4 sec latency 9383.949 ms 1 380 0.00 MB/sec execute 5 sec latency 10384.144 ms 1 380 0.00 MB/sec execute 6 sec latency 11385.519 ms 1 380 0.00 MB/sec execute 7 sec latency 12386.031 ms 1 380 0.00 MB/sec execute 8 sec latency 13386.241 ms Failover mds1 to oleg456-server mount facets: mds1 1 380 0.00 MB/sec execute 9 sec latency 14386.652 ms 1 380 0.00 MB/sec execute 10 sec latency 15386.824 ms 1 380 0.00 MB/sec execute 11 sec latency 16390.190 ms 1 380 0.00 MB/sec execute 12 sec latency 17393.693 ms 1 380 0.00 MB/sec execute 13 sec latency 18394.208 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 380 0.00 MB/sec execute 14 sec latency 19395.919 ms 1 380 0.00 MB/sec execute 15 sec latency 20398.162 ms 1 380 0.00 MB/sec execute 16 sec latency 21399.221 ms 1 380 0.00 MB/sec execute 17 sec latency 22399.531 ms 1 380 0.00 MB/sec execute 18 sec latency 23399.887 ms 1 380 0.00 MB/sec execute 19 sec latency 24400.101 ms 1 380 0.00 MB/sec execute 20 sec latency 25446.506 ms 1 380 0.00 MB/sec execute 21 sec latency 26446.762 ms 1 380 0.00 MB/sec execute 22 sec latency 27447.539 ms 1 380 0.00 MB/sec execute 23 sec latency 28449.326 ms 1 380 0.00 MB/sec execute 24 sec latency 29449.757 ms 1 380 0.00 MB/sec execute 25 sec latency 30452.688 ms 1 380 0.00 MB/sec execute 26 sec latency 31452.951 ms 1 380 0.00 MB/sec execute 27 sec latency 32460.990 ms 1 380 0.00 MB/sec execute 28 sec latency 33482.509 ms 1 380 0.00 MB/sec execute 29 sec latency 34483.215 ms 1 380 0.00 MB/sec execute 30 sec latency 35483.431 ms 1 380 0.00 MB/sec execute 31 sec latency 36483.623 ms 1 380 0.00 MB/sec execute 32 sec latency 37483.834 ms 1 380 0.00 MB/sec execute 33 sec latency 38489.235 ms 1 380 0.00 MB/sec execute 34 sec latency 39489.461 ms oleg456-server: oleg456-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 35 sec latency 40489.944 ms pdsh@oleg456-client: oleg456-server: ssh exited with exit code 1 1 380 0.00 MB/sec execute 36 sec latency 41490.191 ms 1 380 0.00 MB/sec execute 37 sec latency 42494.040 ms Started lustre-MDT0000 16:22:20 (1775766140) targets are mounted 16:22:20 (1775766140) facet_failover done 1 398 0.01 MB/sec execute 38 sec latency 42718.005 ms 1 421 0.03 MB/sec execute 39 sec latency 263.814 ms 1 445 0.05 MB/sec execute 40 sec latency 247.533 ms 1 469 0.07 MB/sec execute 41 sec latency 213.239 ms 1 499 0.09 MB/sec execute 42 sec latency 170.153 ms 1 519 0.10 MB/sec execute 43 sec latency 242.813 ms oleg456-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 599 0.17 MB/sec execute 44 sec latency 161.469 ms 1 640 0.17 MB/sec execute 45 sec latency 151.199 ms 1 664 0.16 MB/sec execute 46 sec latency 147.179 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 682 0.16 MB/sec execute 47 sec latency 255.438 ms 1 710 0.16 MB/sec execute 48 sec latency 152.370 ms 1 728 0.16 MB/sec execute 49 sec latency 291.832 ms 1 740 0.15 MB/sec execute 50 sec latency 195.195 ms 1 769 0.15 MB/sec execute 51 sec latency 147.621 ms 1 789 0.15 MB/sec execute 52 sec latency 218.165 ms 1 808 0.15 MB/sec execute 53 sec latency 244.182 ms 1 863 0.15 MB/sec execute 54 sec latency 138.284 ms 1 888 0.15 MB/sec execute 55 sec latency 199.947 ms 1 913 0.15 MB/sec execute 56 sec latency 130.389 ms 1 943 0.14 MB/sec execute 57 sec latency 182.539 ms 1 969 0.14 MB/sec execute 58 sec latency 184.074 ms 1 985 0.14 MB/sec execute 59 sec latency 300.905 ms 1 1051 0.16 MB/sec execute 60 sec latency 96.643 ms 1 1092 0.15 MB/sec execute 61 sec latency 102.430 ms 1 1136 0.15 MB/sec execute 62 sec latency 94.510 ms 1 1180 0.15 MB/sec execute 63 sec latency 124.650 ms 1 1215 0.15 MB/sec execute 64 sec latency 99.734 ms 1 1244 0.15 MB/sec execute 65 sec latency 111.943 ms 1 1380 0.19 MB/sec execute 66 sec latency 96.504 ms 1 1418 0.19 MB/sec execute 67 sec latency 99.712 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Apr 9 16:22:51 EDT 2026 with return code 0 1 1453 0.18 MB/sec execute 68 sec latency 122.441 ms 46799 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46799 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished