== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:13:38 (1789125218) Starting client oleg620-client.virtnet: -o user_xattr,flock 192.168.206.120@tcp:/lustre /mnt/lustre Started clients oleg620-client.virtnet: 192.168.206.120@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 45347 Started dbench loop with 45348 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 22528 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7498752 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 Fri Sep 11 07:13:44 EDT 2026 waiting for dbench pid 45416 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 40 1.44 MB/sec warmup 1 sec latency 105.550 ms 1 91 2.10 MB/sec warmup 2 sec latency 165.341 ms 1 137 2.00 MB/sec warmup 3 sec latency 111.217 ms 1 181 1.83 MB/sec warmup 4 sec latency 158.546 ms test_26 fail mds1 1 times 1 215 1.67 MB/sec warmup 5 sec latency 126.310 ms 1 247 1.56 MB/sec warmup 6 sec latency 144.494 ms Failing mds1 on oleg620-server 1 287 1.53 MB/sec warmup 7 sec latency 147.418 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 315 1.43 MB/sec warmup 8 sec latency 153.452 ms 1 339 1.36 MB/sec warmup 9 sec latency 553.874 ms 1 339 1.23 MB/sec warmup 10 sec latency 1554.567 ms 07:13:55 (1789125235) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 339 1.11 MB/sec warmup 11 sec latency 2561.274 ms 1 339 1.02 MB/sec warmup 12 sec latency 3561.687 ms 1 339 0.94 MB/sec warmup 13 sec latency 4562.265 ms 1 339 0.87 MB/sec warmup 14 sec latency 5562.458 ms 1 339 0.82 MB/sec warmup 15 sec latency 6562.661 ms 1 339 0.77 MB/sec warmup 16 sec latency 7562.950 ms 1 339 0.72 MB/sec warmup 17 sec latency 8567.955 ms 1 339 0.68 MB/sec warmup 18 sec latency 9569.669 ms 1 339 0.64 MB/sec warmup 19 sec latency 10570.600 ms 1 339 0.00 MB/sec execute 1 sec latency 12572.876 ms Failover mds1 to oleg620-server mount facets: mds1 1 339 0.00 MB/sec execute 2 sec latency 13573.075 ms 1 339 0.00 MB/sec execute 3 sec latency 14573.329 ms 1 339 0.00 MB/sec execute 4 sec latency 15574.540 ms 1 339 0.00 MB/sec execute 5 sec latency 16574.723 ms 1 339 0.00 MB/sec execute 6 sec latency 17574.900 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 7 sec latency 18575.228 ms 1 339 0.00 MB/sec execute 8 sec latency 19575.425 ms 1 339 0.00 MB/sec execute 9 sec latency 20575.606 ms 1 339 0.00 MB/sec execute 10 sec latency 21575.802 ms 1 339 0.00 MB/sec execute 11 sec latency 22576.967 ms 1 339 0.00 MB/sec execute 12 sec latency 23577.142 ms 1 339 0.00 MB/sec execute 13 sec latency 24577.289 ms 1 347 0.01 MB/sec execute 14 sec latency 25204.390 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 382 0.09 MB/sec execute 15 sec latency 157.463 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 1 428 0.18 MB/sec execute 16 sec latency 101.853 ms Started lustre-MDT0000 07:14:21 (1789125261) targets are mounted 07:14:21 (1789125261) facet_failover done 1 489 0.28 MB/sec execute 17 sec latency 80.582 ms 1 520 0.32 MB/sec execute 18 sec latency 178.367 ms 1 591 0.43 MB/sec execute 19 sec latency 162.605 ms 1 661 0.44 MB/sec execute 20 sec latency 80.902 ms 1 678 0.42 MB/sec execute 21 sec latency 305.591 ms 1 711 0.41 MB/sec execute 22 sec latency 189.233 ms 1 733 0.39 MB/sec execute 23 sec latency 285.437 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 762 0.38 MB/sec execute 24 sec latency 132.231 ms 1 780 0.36 MB/sec execute 25 sec latency 233.964 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.35 MB/sec execute 26 sec latency 143.478 ms 1 863 0.34 MB/sec execute 27 sec latency 113.639 ms 1 890 0.34 MB/sec execute 28 sec latency 206.326 ms 1 916 0.33 MB/sec execute 29 sec latency 321.999 ms 1 955 0.32 MB/sec execute 30 sec latency 134.308 ms 1 992 0.31 MB/sec execute 31 sec latency 192.634 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 47104 3677184 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3710976 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7388160 1% /mnt/lustre 1 1061 0.33 MB/sec execute 32 sec latency 87.313 ms 1 1102 0.32 MB/sec execute 33 sec latency 103.867 ms 1 1155 0.32 MB/sec execute 34 sec latency 94.100 ms 1 1192 0.31 MB/sec execute 35 sec latency 132.206 ms 1 1232 0.30 MB/sec execute 36 sec latency 105.533 ms 1 1381 0.37 MB/sec execute 37 sec latency 80.822 ms test_26 fail mds1 2 times 1 1446 0.36 MB/sec execute 38 sec latency 82.142 ms Failing mds1 on oleg620-server 1 1499 0.35 MB/sec execute 39 sec latency 112.154 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 1550 0.35 MB/sec execute 40 sec latency 108.923 ms 1 1603 0.34 MB/sec execute 41 sec latency 87.865 ms 1 1603 0.33 MB/sec execute 42 sec latency 1032.123 ms 1 1603 0.32 MB/sec execute 43 sec latency 2032.300 ms 07:14:48 (1789125288) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 1603 0.32 MB/sec execute 44 sec latency 3032.516 ms 1 1603 0.31 MB/sec execute 45 sec latency 4034.514 ms 1 1603 0.30 MB/sec execute 46 sec latency 5036.160 ms 1 1603 0.30 MB/sec execute 47 sec latency 6036.820 ms 1 1603 0.29 MB/sec execute 48 sec latency 7037.036 ms 1 1603 0.28 MB/sec execute 49 sec latency 8037.181 ms 1 1603 0.28 MB/sec execute 50 sec latency 9037.353 ms 1 1603 0.27 MB/sec execute 51 sec latency 10038.248 ms 1 1603 0.27 MB/sec execute 52 sec latency 11038.485 ms 1 1603 0.26 MB/sec execute 53 sec latency 12039.063 ms Failover mds1 to oleg620-server mount facets: mds1 1 1603 0.26 MB/sec execute 54 sec latency 13039.223 ms 1 1603 0.25 MB/sec execute 55 sec latency 14041.756 ms 1 1603 0.25 MB/sec execute 56 sec latency 15041.958 ms 1 1603 0.24 MB/sec execute 57 sec latency 16042.245 ms 1 1603 0.24 MB/sec execute 58 sec latency 17042.833 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1603 0.24 MB/sec execute 59 sec latency 18043.062 ms 1 1603 0.23 MB/sec execute 60 sec latency 19044.176 ms 1 1603 0.23 MB/sec execute 61 sec latency 20044.854 ms 1 1603 0.22 MB/sec execute 62 sec latency 21045.049 ms 1 1603 0.22 MB/sec execute 63 sec latency 22045.223 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 1603 0.22 MB/sec execute 64 sec latency 23049.444 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 1 1603 0.21 MB/sec execute 65 sec latency 24050.345 ms Started lustre-MDT0000 07:15:10 (1789125310) targets are mounted 07:15:10 (1789125310) facet_failover done 1 1603 0.21 MB/sec execute 66 sec latency 25050.578 ms 1 1603 0.21 MB/sec execute 67 sec latency 26054.321 ms 1 1603 0.20 MB/sec execute 68 sec latency 27054.523 ms 1 1603 0.20 MB/sec execute 69 sec latency 28054.758 ms 1 1603 0.20 MB/sec execute 70 sec latency 29055.562 ms 1 1603 0.20 MB/sec execute 71 sec latency 30057.644 ms 1 1603 0.19 MB/sec execute 72 sec latency 31057.847 ms 1 1603 0.19 MB/sec execute 73 sec latency 32058.181 ms 1 1603 0.19 MB/sec execute 74 sec latency 33058.358 ms 1 1603 0.19 MB/sec execute 75 sec latency 34058.616 ms 1 1603 0.18 MB/sec execute 76 sec latency 35058.857 ms 1 1603 0.18 MB/sec execute 77 sec latency 36059.106 ms 1 1603 0.18 MB/sec execute 78 sec latency 37059.454 ms 1 1603 0.18 MB/sec execute 79 sec latency 38059.645 ms 1 1603 0.17 MB/sec execute 80 sec latency 39060.215 ms 1 1603 0.17 MB/sec execute 81 sec latency 40061.290 ms 1 1603 0.17 MB/sec execute 82 sec latency 41062.007 ms 1 1605 0.17 MB/sec execute 83 sec latency 41988.077 ms 1 1643 0.17 MB/sec execute 84 sec latency 305.396 ms 1 1686 0.16 MB/sec execute 85 sec latency 126.391 ms 1 1721 0.16 MB/sec execute 86 sec latency 122.739 ms 1 1777 0.16 MB/sec execute 87 sec latency 126.354 ms 1 1823 0.16 MB/sec execute 88 sec latency 149.379 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1861 0.16 MB/sec execute 89 sec latency 110.507 ms 1 1888 0.16 MB/sec execute 90 sec latency 211.309 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1964 0.16 MB/sec execute 91 sec latency 235.447 ms 1 1994 0.15 MB/sec execute 92 sec latency 122.543 ms 1 2018 0.15 MB/sec execute 93 sec latency 134.262 ms 1 2069 0.15 MB/sec execute 94 sec latency 104.188 ms 1 2145 0.15 MB/sec execute 95 sec latency 126.430 ms 1 2178 0.15 MB/sec execute 96 sec latency 139.197 ms 1 2251 0.15 MB/sec execute 97 sec latency 97.938 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 59392 3700736 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3741696 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7442432 1% /mnt/lustre 1 2323 0.16 MB/sec execute 98 sec latency 112.006 ms 1 2350 0.16 MB/sec execute 99 sec latency 364.359 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 351 131.508 25204.375 Close 307 11.824 43.917 Rename 12 87.557 233.945 Unlink 32 26.851 64.047 Qpathinfo 314 150.505 41988.064 Qfileinfo 93 1.984 11.527 Qfsinfo 38 3.703 26.480 Sfileinfo 41 55.297 105.519 Find 105 6.356 54.782 WriteX 344 11.186 60.691 ReadX 379 2.146 105.564 Flush 32 149.194 364.345 Throughput 0.157643 MB/sec 1 clients 1 procs max_latency=41988.077 ms stopping dbench on /mnt/lustre at Fri Sep 11 07:15:48 EDT 2026 with return code 0 test_26 fail mds1 3 times clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg620-server Stopping /mnt/lustre-mds1 (opts:) on oleg620-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 07:15:53 (1789125353) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server Failover mds1 to oleg620-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Sep 11 07:16:15 EDT 2026 waiting for dbench pid 47874 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients Started lustre-MDT0000 07:16:15 (1789125375) targets are mounted 07:16:15 (1789125375) facet_failover done 1 51 2.10 MB/sec warmup 1 sec latency 89.953 ms 1 121 2.75 MB/sec warmup 2 sec latency 107.594 ms 1 155 2.18 MB/sec warmup 3 sec latency 136.845 ms 1 197 1.96 MB/sec warmup 4 sec latency 184.418 ms 1 231 1.78 MB/sec warmup 5 sec latency 140.010 ms 1 279 1.74 MB/sec warmup 6 sec latency 126.805 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 316 1.64 MB/sec warmup 7 sec latency 139.011 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 365 1.63 MB/sec warmup 8 sec latency 113.936 ms 1 413 1.62 MB/sec warmup 9 sec latency 97.252 ms 1 460 1.61 MB/sec warmup 10 sec latency 101.195 ms 1 501 1.58 MB/sec warmup 11 sec latency 109.927 ms 1 571 1.59 MB/sec warmup 12 sec latency 130.365 ms 1 664 1.62 MB/sec warmup 13 sec latency 86.343 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3328 2205184 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3670016 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3670016 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 67584 7340032 1% /mnt/lustre 1 695 1.51 MB/sec warmup 14 sec latency 148.268 ms 1 721 1.42 MB/sec warmup 15 sec latency 178.867 ms 1 738 1.33 MB/sec warmup 16 sec latency 305.992 ms 1 778 1.25 MB/sec warmup 17 sec latency 117.268 ms 1 796 1.19 MB/sec warmup 18 sec latency 267.563 ms 1 825 1.13 MB/sec warmup 19 sec latency 188.211 ms test_26 fail mds1 4 times 1 892 0.02 MB/sec execute 1 sec latency 241.024 ms Failing mds1 on oleg620-server 1 916 0.06 MB/sec execute 2 sec latency 249.023 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 955 0.05 MB/sec execute 3 sec latency 111.325 ms 1 981 0.06 MB/sec execute 4 sec latency 332.874 ms 1 981 0.05 MB/sec execute 5 sec latency 1050.310 ms 1 981 0.04 MB/sec execute 6 sec latency 2050.545 ms 07:16:41 (1789125401) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 981 0.03 MB/sec execute 7 sec latency 3051.024 ms 1 981 0.03 MB/sec execute 8 sec latency 4051.187 ms 1 981 0.03 MB/sec execute 9 sec latency 5052.171 ms 1 981 0.02 MB/sec execute 10 sec latency 6052.466 ms 1 981 0.02 MB/sec execute 11 sec latency 7053.164 ms 1 981 0.02 MB/sec execute 12 sec latency 8053.353 ms 1 981 0.02 MB/sec execute 13 sec latency 9053.570 ms 1 981 0.02 MB/sec execute 14 sec latency 10053.900 ms 1 981 0.02 MB/sec execute 15 sec latency 11055.532 ms 1 981 0.02 MB/sec execute 16 sec latency 12055.724 ms Failover mds1 to oleg620-server mount facets: mds1 1 981 0.01 MB/sec execute 17 sec latency 13059.258 ms 1 981 0.01 MB/sec execute 18 sec latency 14059.428 ms 1 981 0.01 MB/sec execute 19 sec latency 15059.828 ms 1 981 0.01 MB/sec execute 20 sec latency 16060.007 ms 1 981 0.01 MB/sec execute 21 sec latency 17060.160 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 981 0.01 MB/sec execute 22 sec latency 18060.453 ms 1 981 0.01 MB/sec execute 23 sec latency 19060.592 ms 1 981 0.01 MB/sec execute 24 sec latency 20061.391 ms 1 981 0.01 MB/sec execute 25 sec latency 21061.968 ms 1 981 0.01 MB/sec execute 26 sec latency 22062.213 ms 1 981 0.01 MB/sec execute 27 sec latency 23063.118 ms 1 981 0.01 MB/sec execute 28 sec latency 24063.403 ms 1 981 0.01 MB/sec execute 29 sec latency 25063.908 ms 1 981 0.01 MB/sec execute 30 sec latency 26064.075 ms 1 981 0.01 MB/sec execute 31 sec latency 27064.241 ms 1 981 0.01 MB/sec execute 32 sec latency 28064.424 ms 1 981 0.01 MB/sec execute 33 sec latency 29066.877 ms 1 981 0.01 MB/sec execute 34 sec latency 30067.103 ms 1 981 0.01 MB/sec execute 35 sec latency 31067.843 ms 1 981 0.01 MB/sec execute 36 sec latency 32068.025 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 981 0.01 MB/sec execute 37 sec latency 33070.098 ms 1 981 0.01 MB/sec execute 38 sec latency 34070.247 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 Started lustre-MDT0000 1 981 0.01 MB/sec execute 39 sec latency 35075.051 ms 07:17:14 (1789125434) targets are mounted 07:17:14 (1789125434) facet_failover done 1 981 0.01 MB/sec execute 40 sec latency 36075.243 ms 1 981 0.01 MB/sec execute 41 sec latency 37075.826 ms 1 981 0.01 MB/sec execute 42 sec latency 38075.986 ms 1 981 0.01 MB/sec execute 43 sec latency 39077.088 ms 1 1026 0.03 MB/sec execute 44 sec latency 39163.202 ms 1 1076 0.03 MB/sec execute 45 sec latency 114.223 ms 1 1128 0.03 MB/sec execute 46 sec latency 85.452 ms 1 1164 0.03 MB/sec execute 47 sec latency 127.343 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1211 0.03 MB/sec execute 48 sec latency 97.232 ms 1 1240 0.03 MB/sec execute 49 sec latency 110.591 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1271 0.03 MB/sec execute 50 sec latency 131.580 ms 1 1398 0.09 MB/sec execute 51 sec latency 105.238 ms 1 1445 0.08 MB/sec execute 52 sec latency 91.886 ms 1 1486 0.08 MB/sec execute 53 sec latency 230.365 ms 1 1534 0.08 MB/sec execute 54 sec latency 79.286 ms 1 1608 0.08 MB/sec execute 55 sec latency 67.437 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1656 0.08 MB/sec execute 56 sec latency 210.704 ms 1 1700 0.08 MB/sec execute 57 sec latency 82.303 ms 1 1770 0.08 MB/sec execute 58 sec latency 79.064 ms 1 1820 0.08 MB/sec execute 59 sec latency 92.441 ms 1 1871 0.08 MB/sec execute 60 sec latency 93.410 ms 1 1924 0.08 MB/sec execute 61 sec latency 301.478 ms 1 2000 0.08 MB/sec execute 62 sec latency 77.303 ms 1 2080 0.08 MB/sec execute 63 sec latency 70.393 ms 1 2152 0.08 MB/sec execute 64 sec latency 85.814 ms 1 2202 0.08 MB/sec execute 65 sec latency 93.517 ms 1 2285 0.09 MB/sec execute 66 sec latency 99.310 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 07:17:41 EDT 2026 with return code 0 47874 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47874 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished