== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:31:37 (1789482697) Starting client oleg311-client.virtnet: -o user_xattr,flock 192.168.203.111@tcp:/lustre /mnt/lustre Started clients oleg311-client.virtnet: 192.168.203.111@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 45148 Started dbench loop with 45149 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 14336 3733504 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7493632 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 Sep 15 10:31:44 EDT 2026 waiting for dbench pid 45215 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 28 0.91 MB/sec warmup 1 sec latency 18.449 ms 1 71 1.57 MB/sec warmup 2 sec latency 275.534 ms 1 113 1.74 MB/sec warmup 3 sec latency 196.635 ms 1 147 1.57 MB/sec warmup 4 sec latency 173.065 ms 1 181 1.46 MB/sec warmup 5 sec latency 131.438 ms test_26 fail mds1 1 times 1 206 1.35 MB/sec warmup 6 sec latency 236.024 ms 1 231 1.27 MB/sec warmup 7 sec latency 212.786 ms 1 264 1.24 MB/sec warmup 8 sec latency 166.583 ms Failing mds1 on oleg311-server 1 287 1.19 MB/sec warmup 9 sec latency 226.614 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 313 1.15 MB/sec warmup 10 sec latency 154.605 ms 1 330 1.09 MB/sec warmup 11 sec latency 383.679 ms 1 330 1.00 MB/sec warmup 12 sec latency 1384.139 ms 1 330 0.92 MB/sec warmup 13 sec latency 2384.407 ms 10:31:58 (1789482718) shut down facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 330 0.86 MB/sec warmup 14 sec latency 3385.783 ms 1 330 0.80 MB/sec warmup 15 sec latency 4386.028 ms 1 330 0.75 MB/sec warmup 16 sec latency 5386.235 ms 1 330 0.71 MB/sec warmup 17 sec latency 6386.999 ms 1 330 0.67 MB/sec warmup 18 sec latency 7387.217 ms 1 330 0.63 MB/sec warmup 19 sec latency 8387.580 ms 1 330 0.00 MB/sec execute 1 sec latency 10388.157 ms 1 330 0.00 MB/sec execute 2 sec latency 11388.806 ms 1 330 0.00 MB/sec execute 3 sec latency 12389.074 ms Failover mds1 to oleg311-server mount facets: mds1 1 330 0.00 MB/sec execute 4 sec latency 13389.934 ms 1 330 0.00 MB/sec execute 5 sec latency 14390.133 ms 1 330 0.00 MB/sec execute 6 sec latency 15390.912 ms 1 330 0.00 MB/sec execute 7 sec latency 16391.169 ms 1 330 0.00 MB/sec execute 8 sec latency 17392.067 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 330 0.00 MB/sec execute 9 sec latency 18392.948 ms 1 330 0.00 MB/sec execute 10 sec latency 19393.771 ms 1 330 0.00 MB/sec execute 11 sec latency 20394.329 ms 1 330 0.00 MB/sec execute 12 sec latency 21396.042 ms 1 330 0.00 MB/sec execute 13 sec latency 22396.719 ms 1 330 0.00 MB/sec execute 14 sec latency 23397.137 ms 1 330 0.00 MB/sec execute 15 sec latency 24397.393 ms 1 330 0.00 MB/sec execute 16 sec latency 25397.640 ms 1 330 0.00 MB/sec execute 17 sec latency 26399.219 ms 1 330 0.00 MB/sec execute 18 sec latency 27400.865 ms 1 330 0.00 MB/sec execute 19 sec latency 28401.212 ms 1 330 0.00 MB/sec execute 20 sec latency 29401.721 ms 1 330 0.00 MB/sec execute 21 sec latency 30401.991 ms 1 330 0.00 MB/sec execute 22 sec latency 31402.923 ms 1 330 0.00 MB/sec execute 23 sec latency 32404.550 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 330 0.00 MB/sec execute 24 sec latency 33405.028 ms 1 330 0.00 MB/sec execute 25 sec latency 34407.619 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 330 0.00 MB/sec execute 26 sec latency 35409.035 ms Started lustre-MDT0000 10:32:31 (1789482751) targets are mounted 10:32:31 (1789482751) facet_failover done 1 330 0.00 MB/sec execute 27 sec latency 36409.676 ms 1 330 0.00 MB/sec execute 28 sec latency 37411.288 ms 1 330 0.00 MB/sec execute 29 sec latency 38412.114 ms 1 330 0.00 MB/sec execute 30 sec latency 39415.910 ms 1 331 0.00 MB/sec execute 31 sec latency 40294.052 ms 1 352 0.02 MB/sec execute 32 sec latency 310.338 ms 1 389 0.06 MB/sec execute 33 sec latency 169.860 ms 1 429 0.09 MB/sec execute 34 sec latency 115.050 ms 1 462 0.12 MB/sec execute 35 sec latency 153.338 ms 1 501 0.15 MB/sec execute 36 sec latency 130.838 ms oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 523 0.16 MB/sec execute 37 sec latency 200.245 ms 1 592 0.22 MB/sec execute 38 sec latency 163.179 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 640 0.23 MB/sec execute 39 sec latency 101.724 ms 1 673 0.23 MB/sec execute 40 sec latency 222.354 ms 1 709 0.22 MB/sec execute 41 sec latency 136.318 ms 1 728 0.22 MB/sec execute 42 sec latency 301.851 ms 1 762 0.22 MB/sec execute 43 sec latency 104.737 ms 1 789 0.21 MB/sec execute 44 sec latency 166.955 ms 1 805 0.21 MB/sec execute 45 sec latency 183.288 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3753984 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3671040 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7425024 1% /mnt/lustre 1 848 0.21 MB/sec execute 46 sec latency 133.612 ms 1 873 0.21 MB/sec execute 47 sec latency 305.805 ms 1 900 0.20 MB/sec execute 48 sec latency 335.234 ms 1 918 0.20 MB/sec execute 49 sec latency 258.979 ms 1 952 0.20 MB/sec execute 50 sec latency 136.817 ms 1 980 0.19 MB/sec execute 51 sec latency 192.881 ms 1 1039 0.21 MB/sec execute 52 sec latency 269.836 ms test_26 fail mds1 2 times 1 1082 0.21 MB/sec execute 53 sec latency 90.212 ms 1 1129 0.20 MB/sec execute 54 sec latency 101.917 ms Failing mds1 on oleg311-server 1 1164 0.20 MB/sec execute 55 sec latency 110.566 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 1214 0.20 MB/sec execute 56 sec latency 92.192 ms 1 1221 0.19 MB/sec execute 57 sec latency 790.071 ms 1 1221 0.19 MB/sec execute 58 sec latency 1791.727 ms 10:33:04 (1789482784) shut down 1 1221 0.19 MB/sec execute 59 sec latency 2791.953 ms facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 1221 0.18 MB/sec execute 60 sec latency 3794.770 ms 1 1221 0.18 MB/sec execute 61 sec latency 4795.088 ms 1 1221 0.18 MB/sec execute 62 sec latency 5797.425 ms 1 1221 0.18 MB/sec execute 63 sec latency 6797.687 ms 1 1221 0.17 MB/sec execute 64 sec latency 7797.950 ms 1 1221 0.17 MB/sec execute 65 sec latency 8798.217 ms 1 1221 0.17 MB/sec execute 66 sec latency 9798.462 ms 1 1221 0.16 MB/sec execute 67 sec latency 10798.873 ms 1 1221 0.16 MB/sec execute 68 sec latency 11799.143 ms 1 1221 0.16 MB/sec execute 69 sec latency 12799.562 ms Failover mds1 to oleg311-server mount facets: mds1 1 1221 0.16 MB/sec execute 70 sec latency 13799.869 ms 1 1221 0.16 MB/sec execute 71 sec latency 14800.110 ms 1 1221 0.15 MB/sec execute 72 sec latency 15800.330 ms 1 1221 0.15 MB/sec execute 73 sec latency 16801.050 ms 1 1221 0.15 MB/sec execute 74 sec latency 17801.881 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1221 0.15 MB/sec execute 75 sec latency 18803.419 ms 1 1221 0.15 MB/sec execute 76 sec latency 19803.843 ms 1 1221 0.14 MB/sec execute 77 sec latency 20810.097 ms 1 1221 0.14 MB/sec execute 78 sec latency 21810.286 ms 1 1221 0.14 MB/sec execute 79 sec latency 22810.755 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 1221 0.14 MB/sec execute 80 sec latency 23814.469 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 1221 0.14 MB/sec execute 81 sec latency 24816.830 ms Started lustre-MDT0000 10:33:26 (1789482806) targets are mounted 10:33:26 (1789482806) facet_failover done 1 1221 0.13 MB/sec execute 82 sec latency 25817.089 ms 1 1221 0.13 MB/sec execute 83 sec latency 26818.747 ms 1 1221 0.13 MB/sec execute 84 sec latency 27818.982 ms 1 1221 0.13 MB/sec execute 85 sec latency 28819.636 ms 1 1221 0.13 MB/sec execute 86 sec latency 29819.835 ms 1 1221 0.13 MB/sec execute 87 sec latency 30820.434 ms 1 1221 0.13 MB/sec execute 88 sec latency 31823.644 ms 1 1221 0.12 MB/sec execute 89 sec latency 32824.034 ms 1 1221 0.12 MB/sec execute 90 sec latency 33826.336 ms 1 1221 0.12 MB/sec execute 91 sec latency 34826.537 ms 1 1221 0.12 MB/sec execute 92 sec latency 35826.806 ms 1 1221 0.12 MB/sec execute 93 sec latency 36828.477 ms 1 1221 0.12 MB/sec execute 94 sec latency 37830.176 ms 1 1221 0.12 MB/sec execute 95 sec latency 38831.169 ms 1 1221 0.12 MB/sec execute 96 sec latency 39833.777 ms 1 1221 0.11 MB/sec execute 97 sec latency 40836.199 ms 1 1236 0.11 MB/sec execute 98 sec latency 40888.629 ms 1 1264 0.11 MB/sec execute 99 sec latency 133.329 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 144 361.471 40888.610 Close 130 324.098 40294.019 Rename 10 100.698 133.290 Unlink 17 31.433 46.834 Qpathinfo 95 23.336 100.158 Qfileinfo 54 2.622 12.656 Qfsinfo 33 3.617 33.198 Sfileinfo 34 78.591 325.505 Find 46 7.979 84.012 WriteX 257 15.057 76.270 ReadX 223 3.527 111.660 Flush 24 150.529 335.217 Throughput 0.11204 MB/sec 1 clients 1 procs max_latency=40888.629 ms stopping dbench on /mnt/lustre at Tue Sep 15 10:33:49 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 Sep 15 10:33:56 EDT 2026 waiting for dbench pid 47209 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 114.307 ms 1 91 2.09 MB/sec warmup 2 sec latency 178.170 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3703808 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 48128 3695616 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 74752 7399424 2% /mnt/lustre 1 121 1.83 MB/sec warmup 3 sec latency 246.079 ms 1 154 1.63 MB/sec warmup 4 sec latency 160.963 ms 1 182 1.46 MB/sec warmup 5 sec latency 185.541 ms 1 205 1.34 MB/sec warmup 6 sec latency 190.795 ms 1 245 1.33 MB/sec warmup 7 sec latency 125.883 ms 1 289 1.34 MB/sec warmup 8 sec latency 104.261 ms test_26 fail mds1 3 times 1 327 1.31 MB/sec warmup 9 sec latency 139.171 ms 1 357 1.28 MB/sec warmup 10 sec latency 175.360 ms 1 381 1.23 MB/sec warmup 11 sec latency 148.927 ms Failing mds1 on oleg311-server 1 410 1.20 MB/sec warmup 12 sec latency 167.022 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 445 1.20 MB/sec warmup 13 sec latency 148.479 ms 1 470 1.17 MB/sec warmup 14 sec latency 166.240 ms 1 476 1.11 MB/sec warmup 15 sec latency 884.270 ms 1 476 1.04 MB/sec warmup 16 sec latency 1885.269 ms 1 476 0.98 MB/sec warmup 17 sec latency 2885.560 ms 1 476 0.93 MB/sec warmup 18 sec latency 3893.283 ms 1 476 0.88 MB/sec warmup 19 sec latency 4894.421 ms 10:34:15 (1789482855) shut down facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 476 0.00 MB/sec execute 1 sec latency 6896.206 ms 1 476 0.00 MB/sec execute 2 sec latency 7896.391 ms 1 476 0.00 MB/sec execute 3 sec latency 8896.722 ms 1 476 0.00 MB/sec execute 4 sec latency 9897.423 ms 1 476 0.00 MB/sec execute 5 sec latency 10898.538 ms 1 476 0.00 MB/sec execute 6 sec latency 11905.447 ms 1 476 0.00 MB/sec execute 7 sec latency 12905.816 ms 1 476 0.00 MB/sec execute 8 sec latency 13906.707 ms 1 476 0.00 MB/sec execute 9 sec latency 14906.958 ms Failover mds1 to oleg311-server 1 476 0.00 MB/sec execute 10 sec latency 15914.826 ms mount facets: mds1 1 476 0.00 MB/sec execute 11 sec latency 16915.363 ms 1 476 0.00 MB/sec execute 12 sec latency 17916.849 ms 1 476 0.00 MB/sec execute 13 sec latency 18917.290 ms 1 476 0.00 MB/sec execute 14 sec latency 19920.356 ms 1 476 0.00 MB/sec execute 15 sec latency 20920.643 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 476 0.00 MB/sec execute 16 sec latency 21922.400 ms 1 476 0.00 MB/sec execute 17 sec latency 22922.641 ms 1 476 0.00 MB/sec execute 18 sec latency 23922.857 ms 1 476 0.00 MB/sec execute 19 sec latency 24924.857 ms 1 476 0.00 MB/sec execute 20 sec latency 25925.125 ms 1 476 0.00 MB/sec execute 21 sec latency 26925.502 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 22 sec latency 27925.762 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 23 sec latency 28926.897 ms Started lustre-MDT0000 10:34:39 (1789482879) targets are mounted 10:34:39 (1789482879) facet_failover done 1 476 0.00 MB/sec execute 24 sec latency 29927.583 ms 1 476 0.00 MB/sec execute 25 sec latency 30927.738 ms 1 476 0.00 MB/sec execute 26 sec latency 31928.537 ms 1 476 0.00 MB/sec execute 27 sec latency 32928.868 ms 1 476 0.00 MB/sec execute 28 sec latency 33930.221 ms 1 476 0.00 MB/sec execute 29 sec latency 34930.779 ms 1 476 0.00 MB/sec execute 30 sec latency 35931.006 ms 1 476 0.00 MB/sec execute 31 sec latency 36931.216 ms 1 476 0.00 MB/sec execute 32 sec latency 37932.173 ms 1 476 0.00 MB/sec execute 33 sec latency 38932.667 ms 1 476 0.00 MB/sec execute 34 sec latency 39939.063 ms 1 476 0.00 MB/sec execute 35 sec latency 40941.137 ms 1 476 0.00 MB/sec execute 36 sec latency 41941.485 ms 1 476 0.00 MB/sec execute 37 sec latency 42941.811 ms 1 476 0.00 MB/sec execute 38 sec latency 43944.224 ms 1 485 0.01 MB/sec execute 39 sec latency 44355.704 ms 1 503 0.02 MB/sec execute 40 sec latency 179.008 ms 1 523 0.03 MB/sec execute 41 sec latency 256.836 ms 1 607 0.10 MB/sec execute 42 sec latency 122.114 ms 1 648 0.10 MB/sec execute 43 sec latency 152.269 ms 1 666 0.10 MB/sec execute 44 sec latency 495.801 ms 1 685 0.10 MB/sec execute 45 sec latency 171.067 ms oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 705 0.10 MB/sec execute 46 sec latency 240.642 ms 1 717 0.10 MB/sec execute 47 sec latency 187.599 ms 1 731 0.10 MB/sec execute 48 sec latency 326.032 ms 1 737 0.09 MB/sec execute 49 sec latency 428.064 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 767 0.09 MB/sec execute 50 sec latency 332.851 ms 1 786 0.09 MB/sec execute 51 sec latency 206.284 ms 1 798 0.09 MB/sec execute 52 sec latency 382.083 ms 1 813 0.09 MB/sec execute 53 sec latency 187.851 ms 1 860 0.09 MB/sec execute 54 sec latency 195.886 ms 1 878 0.09 MB/sec execute 55 sec latency 253.862 ms 1 897 0.09 MB/sec execute 56 sec latency 249.333 ms 1 926 0.09 MB/sec execute 57 sec latency 103.791 ms 1 969 0.09 MB/sec execute 58 sec latency 119.891 ms 1 981 0.09 MB/sec execute 59 sec latency 468.634 ms 1 995 0.09 MB/sec execute 60 sec latency 273.996 ms 1 1051 0.10 MB/sec execute 61 sec latency 115.509 ms 1 1112 0.10 MB/sec execute 62 sec latency 78.174 ms 1 1139 0.10 MB/sec execute 63 sec latency 136.176 ms 1 1173 0.10 MB/sec execute 64 sec latency 177.649 ms 1 1199 0.10 MB/sec execute 65 sec latency 217.971 ms 1 1229 0.10 MB/sec execute 66 sec latency 147.276 ms 1 1252 0.10 MB/sec execute 67 sec latency 178.707 ms 1 1271 0.09 MB/sec execute 68 sec latency 206.543 ms 1 1383 0.13 MB/sec execute 69 sec latency 175.757 ms 1 1403 0.13 MB/sec execute 70 sec latency 144.007 ms 1 1446 0.13 MB/sec execute 71 sec latency 88.405 ms dbench killed by signal 15 1 1481 0.13 MB/sec execute 72 sec latency 137.426 ms stopping dbench on /mnt/lustre at Tue Sep 15 10:35:28 EDT 2026 with return code 0 47209 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47209 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished