== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:31:14 (1789126274) Starting client oleg458-client.virtnet: -o user_xattr,flock 192.168.204.158@tcp:/lustre /mnt/lustre Started clients oleg458-client.virtnet: 192.168.204.158@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 45375 Started dbench loop with 45377 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 10240 3744768 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7506944 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 07:31:21 EDT 2026 waiting for dbench pid 45444 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 22.496 ms 1 70 1.57 MB/sec warmup 2 sec latency 184.714 ms 1 111 1.75 MB/sec warmup 3 sec latency 223.901 ms 1 143 1.52 MB/sec warmup 4 sec latency 167.105 ms test_26 fail mds1 1 times 1 165 1.36 MB/sec warmup 5 sec latency 162.177 ms 1 197 1.30 MB/sec warmup 6 sec latency 171.850 ms Failing mds1 on oleg458-server 1 223 1.23 MB/sec warmup 7 sec latency 256.413 ms Stopping /mnt/lustre-mds1 (opts:) on oleg458-server 1 255 1.20 MB/sec warmup 8 sec latency 131.276 ms 1 289 1.19 MB/sec warmup 9 sec latency 187.384 ms 1 289 1.07 MB/sec warmup 10 sec latency 1039.200 ms 1 289 0.97 MB/sec warmup 11 sec latency 2039.625 ms 07:31:34 (1789126294) shut down 1 289 0.89 MB/sec warmup 12 sec latency 3041.908 ms facet: mds1 facet_host: oleg458-server facet_failover_host: oleg458-server 1 289 0.82 MB/sec warmup 13 sec latency 4042.073 ms 1 289 0.76 MB/sec warmup 14 sec latency 5042.406 ms 1 289 0.71 MB/sec warmup 15 sec latency 6042.711 ms 1 289 0.67 MB/sec warmup 16 sec latency 7042.917 ms 1 289 0.63 MB/sec warmup 17 sec latency 8044.422 ms 1 289 0.59 MB/sec warmup 18 sec latency 9044.636 ms 1 289 0.56 MB/sec warmup 19 sec latency 10044.839 ms 1 289 0.00 MB/sec execute 1 sec latency 12045.266 ms 1 289 0.00 MB/sec execute 2 sec latency 13046.344 ms Failover mds1 to oleg458-server mount facets: mds1 1 289 0.00 MB/sec execute 3 sec latency 14046.893 ms 1 289 0.00 MB/sec execute 4 sec latency 15047.059 ms 1 289 0.00 MB/sec execute 5 sec latency 16050.114 ms 1 289 0.00 MB/sec execute 6 sec latency 17050.325 ms 1 289 0.00 MB/sec execute 7 sec latency 18050.888 ms 1 289 0.00 MB/sec execute 8 sec latency 19051.098 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 9 sec latency 20051.374 ms 1 289 0.00 MB/sec execute 10 sec latency 21052.840 ms 1 289 0.00 MB/sec execute 11 sec latency 22053.095 ms 1 289 0.00 MB/sec execute 12 sec latency 23054.299 ms 1 289 0.00 MB/sec execute 13 sec latency 24055.490 ms 1 289 0.00 MB/sec execute 14 sec latency 25056.935 ms 1 289 0.00 MB/sec execute 15 sec latency 26057.704 ms 1 289 0.00 MB/sec execute 16 sec latency 27060.596 ms 1 289 0.00 MB/sec execute 17 sec latency 28060.886 ms 1 289 0.00 MB/sec execute 18 sec latency 29062.263 ms 1 289 0.00 MB/sec execute 19 sec latency 30062.660 ms 1 289 0.00 MB/sec execute 20 sec latency 31065.535 ms 1 289 0.00 MB/sec execute 21 sec latency 32066.230 ms 1 289 0.00 MB/sec execute 22 sec latency 33066.423 ms 1 289 0.00 MB/sec execute 23 sec latency 34068.796 ms oleg458-server: oleg458-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 24 sec latency 35071.619 ms pdsh@oleg458-client: oleg458-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 25 sec latency 36071.837 ms Started lustre-MDT0000 1 289 0.00 MB/sec execute 26 sec latency 37075.252 ms 07:32:08 (1789126328) targets are mounted 07:32:08 (1789126328) facet_failover done 1 289 0.00 MB/sec execute 27 sec latency 38075.808 ms 1 289 0.00 MB/sec execute 28 sec latency 39076.032 ms 1 289 0.00 MB/sec execute 29 sec latency 40077.064 ms 1 289 0.00 MB/sec execute 30 sec latency 41077.284 ms 1 289 0.00 MB/sec execute 31 sec latency 42080.625 ms 1 289 0.00 MB/sec execute 32 sec latency 43080.784 ms 1 289 0.00 MB/sec execute 33 sec latency 44081.804 ms 1 289 0.00 MB/sec execute 34 sec latency 45085.566 ms 1 289 0.00 MB/sec execute 35 sec latency 46086.133 ms 1 289 0.00 MB/sec execute 36 sec latency 47086.421 ms 1 289 0.00 MB/sec execute 37 sec latency 48086.700 ms 1 289 0.00 MB/sec execute 38 sec latency 49087.827 ms 1 289 0.00 MB/sec execute 39 sec latency 50089.214 ms 1 289 0.00 MB/sec execute 40 sec latency 51090.206 ms 1 289 0.00 MB/sec execute 41 sec latency 52091.133 ms 1 289 0.00 MB/sec execute 42 sec latency 53093.963 ms 1 313 0.02 MB/sec execute 43 sec latency 53500.312 ms 1 341 0.04 MB/sec execute 44 sec latency 178.639 ms 1 369 0.05 MB/sec execute 45 sec latency 198.643 ms 1 407 0.08 MB/sec execute 46 sec latency 128.246 ms 1 443 0.10 MB/sec execute 47 sec latency 152.906 ms 1 477 0.12 MB/sec execute 48 sec latency 160.706 ms oleg458-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 513 0.14 MB/sec execute 49 sec latency 152.169 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 573 0.17 MB/sec execute 50 sec latency 169.610 ms 1 639 0.20 MB/sec execute 51 sec latency 119.843 ms 1 669 0.20 MB/sec execute 52 sec latency 276.765 ms 1 697 0.20 MB/sec execute 53 sec latency 145.184 ms 1 721 0.20 MB/sec execute 54 sec latency 152.220 ms 1 749 0.19 MB/sec execute 55 sec latency 194.886 ms 1 789 0.19 MB/sec execute 56 sec latency 109.325 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 3664896 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3741696 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7406592 1% /mnt/lustre 1 803 0.19 MB/sec execute 57 sec latency 258.976 ms 1 851 0.19 MB/sec execute 58 sec latency 154.145 ms 1 882 0.19 MB/sec execute 59 sec latency 231.993 ms 1 910 0.18 MB/sec execute 60 sec latency 131.178 ms 1 926 0.18 MB/sec execute 61 sec latency 266.989 ms 1 969 0.18 MB/sec execute 62 sec latency 96.590 ms test_26 fail mds1 2 times 1 993 0.18 MB/sec execute 63 sec latency 171.377 ms Failing mds1 on oleg458-server 1 1061 0.19 MB/sec execute 64 sec latency 90.917 ms 1 1106 0.19 MB/sec execute 65 sec latency 100.480 ms Stopping /mnt/lustre-mds1 (opts:) on oleg458-server 1 1147 0.19 MB/sec execute 66 sec latency 117.839 ms 1 1155 0.18 MB/sec execute 67 sec latency 874.504 ms 1 1155 0.18 MB/sec execute 68 sec latency 1875.193 ms 1 1155 0.18 MB/sec execute 69 sec latency 2875.410 ms 07:32:51 (1789126371) shut down facet: mds1 facet_host: oleg458-server facet_failover_host: oleg458-server 1 1155 0.18 MB/sec execute 70 sec latency 3876.190 ms 1 1155 0.17 MB/sec execute 71 sec latency 4876.551 ms 1 1155 0.17 MB/sec execute 72 sec latency 5877.086 ms 1 1155 0.17 MB/sec execute 73 sec latency 6879.672 ms 1 1155 0.17 MB/sec execute 74 sec latency 7881.135 ms 1 1155 0.16 MB/sec execute 75 sec latency 8883.477 ms 1 1155 0.16 MB/sec execute 76 sec latency 9884.581 ms 1 1155 0.16 MB/sec execute 77 sec latency 10884.837 ms 1 1155 0.16 MB/sec execute 78 sec latency 11889.249 ms 1 1155 0.16 MB/sec execute 79 sec latency 12889.586 ms Failover mds1 to oleg458-server 1 1155 0.15 MB/sec execute 80 sec latency 13889.908 ms mount facets: mds1 1 1155 0.15 MB/sec execute 81 sec latency 14890.092 ms 1 1155 0.15 MB/sec execute 82 sec latency 15890.355 ms 1 1155 0.15 MB/sec execute 83 sec latency 16891.203 ms 1 1155 0.15 MB/sec execute 84 sec latency 17891.439 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1155 0.14 MB/sec execute 85 sec latency 18891.786 ms 1 1155 0.14 MB/sec execute 86 sec latency 19892.171 ms 1 1155 0.14 MB/sec execute 87 sec latency 20892.374 ms 1 1155 0.14 MB/sec execute 88 sec latency 21893.341 ms 1 1155 0.14 MB/sec execute 89 sec latency 22893.555 ms 1 1155 0.14 MB/sec execute 90 sec latency 23893.737 ms 1 1155 0.14 MB/sec execute 91 sec latency 24895.230 ms 1 1155 0.13 MB/sec execute 92 sec latency 25895.570 ms 1 1155 0.13 MB/sec execute 93 sec latency 26896.122 ms 1 1155 0.13 MB/sec execute 94 sec latency 27896.804 ms 1 1155 0.13 MB/sec execute 95 sec latency 28897.549 ms 1 1155 0.13 MB/sec execute 96 sec latency 29909.186 ms 1 1155 0.13 MB/sec execute 97 sec latency 30919.673 ms 1 1155 0.13 MB/sec execute 98 sec latency 31922.432 ms 1 1155 0.12 MB/sec execute 99 sec latency 32922.824 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg458-server: oleg458-server.virtnet: executing set_default_debug -1 all 1 cleanup 102 sec pdsh@oleg458-client: oleg458-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0000 07:33:26 (1789126406) targets are mounted 07:33:26 (1789126406) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 0 cleanup 114 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 123 516.056 53500.295 Close 114 14.790 43.203 Rename 7 110.580 148.274 Unlink 12 28.615 47.224 Qpathinfo 60 21.114 100.457 Qfileinfo 55 2.698 10.741 Qfsinfo 26 3.700 17.081 Sfileinfo 25 1762.580 42633.630 Find 32 8.726 89.876 WriteX 271 15.328 93.939 ReadX 118 4.303 74.353 Flush 24 129.172 276.746 Throughput 0.124109 MB/sec 1 clients 1 procs max_latency=53500.312 ms stopping dbench on /mnt/lustre at Fri Sep 11 07:33:35 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg458-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 Fri Sep 11 07:33:44 EDT 2026 waiting for dbench pid 47393 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 21 0.46 MB/sec warmup 1 sec latency 35.201 ms 1 71 1.57 MB/sec warmup 2 sec latency 151.802 ms 1 112 1.75 MB/sec warmup 3 sec latency 160.454 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3682304 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 4096 3760128 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 40960 7442432 1% /mnt/lustre 1 129 1.44 MB/sec warmup 4 sec latency 239.723 ms 1 155 1.31 MB/sec warmup 5 sec latency 225.753 ms 1 182 1.22 MB/sec warmup 6 sec latency 142.801 ms 1 203 1.13 MB/sec warmup 7 sec latency 256.039 ms 1 235 1.12 MB/sec warmup 8 sec latency 163.271 ms 1 269 1.12 MB/sec warmup 9 sec latency 158.012 ms 1 306 1.12 MB/sec warmup 10 sec latency 130.380 ms test_26 fail mds1 3 times 1 338 1.11 MB/sec warmup 11 sec latency 166.585 ms 1 365 1.09 MB/sec warmup 12 sec latency 174.355 ms 1 388 1.06 MB/sec warmup 13 sec latency 211.206 ms Failing mds1 on oleg458-server 1 421 1.06 MB/sec warmup 14 sec latency 194.188 ms Stopping /mnt/lustre-mds1 (opts:) on oleg458-server 1 462 1.08 MB/sec warmup 15 sec latency 144.431 ms 1 469 1.03 MB/sec warmup 16 sec latency 942.014 ms 1 469 0.96 MB/sec warmup 17 sec latency 1942.353 ms 1 469 0.91 MB/sec warmup 18 sec latency 2942.951 ms 07:34:03 (1789126443) shut down 1 469 0.86 MB/sec warmup 19 sec latency 3943.977 ms facet: mds1 facet_host: oleg458-server facet_failover_host: oleg458-server 1 469 0.00 MB/sec execute 1 sec latency 5946.364 ms 1 469 0.00 MB/sec execute 2 sec latency 6946.567 ms 1 469 0.00 MB/sec execute 3 sec latency 7947.432 ms 1 469 0.00 MB/sec execute 4 sec latency 8958.447 ms 1 469 0.00 MB/sec execute 5 sec latency 9958.630 ms 1 469 0.00 MB/sec execute 6 sec latency 10958.968 ms 1 469 0.00 MB/sec execute 7 sec latency 11959.630 ms 1 469 0.00 MB/sec execute 8 sec latency 12960.476 ms 1 469 0.00 MB/sec execute 9 sec latency 13961.386 ms Failover mds1 to oleg458-server mount facets: mds1 1 469 0.00 MB/sec execute 10 sec latency 14961.584 ms 1 469 0.00 MB/sec execute 11 sec latency 15965.087 ms 1 469 0.00 MB/sec execute 12 sec latency 16965.278 ms 1 469 0.00 MB/sec execute 13 sec latency 17966.142 ms 1 469 0.00 MB/sec execute 14 sec latency 18966.392 ms 1 469 0.00 MB/sec execute 15 sec latency 19967.344 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 469 0.00 MB/sec execute 16 sec latency 20969.586 ms 1 469 0.00 MB/sec execute 17 sec latency 21974.498 ms 1 469 0.00 MB/sec execute 18 sec latency 22978.210 ms 1 469 0.00 MB/sec execute 19 sec latency 23979.401 ms 1 469 0.00 MB/sec execute 20 sec latency 24979.624 ms 1 469 0.00 MB/sec execute 21 sec latency 25979.941 ms 1 469 0.00 MB/sec execute 22 sec latency 26980.108 ms 1 469 0.00 MB/sec execute 23 sec latency 27980.270 ms 1 469 0.00 MB/sec execute 24 sec latency 28981.303 ms 1 469 0.00 MB/sec execute 25 sec latency 29981.498 ms 1 469 0.00 MB/sec execute 26 sec latency 30981.713 ms 1 469 0.00 MB/sec execute 27 sec latency 31983.742 ms 1 469 0.00 MB/sec execute 28 sec latency 32984.001 ms 1 469 0.00 MB/sec execute 29 sec latency 33986.355 ms 1 469 0.00 MB/sec execute 30 sec latency 34986.847 ms 1 469 0.00 MB/sec execute 31 sec latency 35987.126 ms 1 469 0.00 MB/sec execute 32 sec latency 36987.845 ms oleg458-server: oleg458-server.virtnet: executing set_default_debug -1 all 1 469 0.00 MB/sec execute 33 sec latency 37988.128 ms 1 469 0.00 MB/sec execute 34 sec latency 38988.904 ms pdsh@oleg458-client: oleg458-server: ssh exited with exit code 1 1 469 0.00 MB/sec execute 35 sec latency 39996.007 ms Started lustre-MDT0000 07:34:39 (1789126479) targets are mounted 07:34:39 (1789126479) facet_failover done 1 469 0.00 MB/sec execute 36 sec latency 41003.972 ms 1 469 0.00 MB/sec execute 37 sec latency 42008.954 ms 1 493 0.02 MB/sec execute 38 sec latency 42307.413 ms 1 513 0.03 MB/sec execute 39 sec latency 210.006 ms 1 591 0.10 MB/sec execute 40 sec latency 148.608 ms 1 651 0.11 MB/sec execute 41 sec latency 106.291 ms 1 669 0.11 MB/sec execute 42 sec latency 436.192 ms 1 689 0.11 MB/sec execute 43 sec latency 222.921 ms oleg458-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 711 0.11 MB/sec execute 44 sec latency 155.045 ms 1 728 0.11 MB/sec execute 45 sec latency 341.177 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.11 MB/sec execute 46 sec latency 166.785 ms 1 789 0.11 MB/sec execute 47 sec latency 164.297 ms 1 802 0.11 MB/sec execute 48 sec latency 404.627 ms 1 845 0.10 MB/sec execute 49 sec latency 120.927 ms 1 876 0.10 MB/sec execute 50 sec latency 250.390 ms 1 913 0.10 MB/sec execute 51 sec latency 133.795 ms 1 952 0.10 MB/sec execute 52 sec latency 251.811 ms 1 980 0.10 MB/sec execute 53 sec latency 136.221 ms 1 1020 0.11 MB/sec execute 54 sec latency 281.306 ms 1 1084 0.12 MB/sec execute 55 sec latency 67.811 ms 1 1147 0.12 MB/sec execute 56 sec latency 81.633 ms 1 1198 0.12 MB/sec execute 57 sec latency 108.194 ms 1 1232 0.11 MB/sec execute 58 sec latency 114.291 ms 1 1276 0.11 MB/sec execute 59 sec latency 109.831 ms 1 1409 0.16 MB/sec execute 60 sec latency 87.873 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 07:35:05 EDT 2026 with return code 0 1 1466 0.16 MB/sec execute 61 sec latency 89.075 ms 47393 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47393 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished