== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:10:10 (1788181810) Starting client oleg258-client.virtnet: -o user_xattr,flock 192.168.202.158@tcp:/lustre /mnt/lustre Started clients oleg258-client.virtnet: 192.168.202.158@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 44938 Started dbench loop with 44940 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 14336 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7502848 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 Mon Aug 31 09:10:17 EDT 2026 waiting for dbench pid 45014 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 17 0.20 MB/sec warmup 1 sec latency 95.133 ms 1 66 1.44 MB/sec warmup 2 sec latency 220.378 ms 1 111 1.74 MB/sec warmup 3 sec latency 177.264 ms 1 155 1.63 MB/sec warmup 4 sec latency 187.230 ms test_26 fail mds1 1 times 1 182 1.46 MB/sec warmup 5 sec latency 134.240 ms 1 199 1.31 MB/sec warmup 6 sec latency 214.743 ms 1 223 1.23 MB/sec warmup 7 sec latency 204.961 ms Failing mds1 on oleg258-server Stopping /mnt/lustre-mds1 (opts:) on oleg258-server 1 263 1.24 MB/sec warmup 8 sec latency 142.274 ms 1 289 1.19 MB/sec warmup 9 sec latency 144.436 ms 1 296 1.09 MB/sec warmup 10 sec latency 885.317 ms 1 296 1.00 MB/sec warmup 11 sec latency 1885.664 ms 09:10:29 (1788181829) shut down 1 296 0.91 MB/sec warmup 12 sec latency 2893.654 ms facet: mds1 facet_host: oleg258-server facet_failover_host: oleg258-server 1 296 0.84 MB/sec warmup 13 sec latency 3895.051 ms 1 296 0.78 MB/sec warmup 14 sec latency 4895.321 ms 1 296 0.73 MB/sec warmup 15 sec latency 5895.977 ms 1 296 0.68 MB/sec warmup 16 sec latency 6896.318 ms 1 296 0.64 MB/sec warmup 17 sec latency 7896.568 ms 1 296 0.61 MB/sec warmup 18 sec latency 8896.923 ms 1 296 0.58 MB/sec warmup 19 sec latency 9897.281 ms 1 296 0.00 MB/sec execute 1 sec latency 11899.600 ms 1 296 0.00 MB/sec execute 2 sec latency 12899.944 ms Failover mds1 to oleg258-server mount facets: mds1 1 296 0.00 MB/sec execute 3 sec latency 13900.105 ms 1 296 0.00 MB/sec execute 4 sec latency 14900.919 ms 1 296 0.00 MB/sec execute 5 sec latency 15901.170 ms 1 296 0.00 MB/sec execute 6 sec latency 16901.398 ms 1 296 0.00 MB/sec execute 7 sec latency 17901.567 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 8 sec latency 18902.689 ms 1 296 0.00 MB/sec execute 9 sec latency 19903.385 ms 1 296 0.00 MB/sec execute 10 sec latency 20903.915 ms 1 296 0.00 MB/sec execute 11 sec latency 21904.184 ms 1 296 0.00 MB/sec execute 12 sec latency 22906.898 ms 1 296 0.00 MB/sec execute 13 sec latency 23907.167 ms 1 296 0.00 MB/sec execute 14 sec latency 24908.188 ms 1 296 0.00 MB/sec execute 15 sec latency 25909.027 ms 1 296 0.00 MB/sec execute 16 sec latency 26909.300 ms 1 296 0.00 MB/sec execute 17 sec latency 27909.600 ms 1 296 0.00 MB/sec execute 18 sec latency 28909.906 ms 1 296 0.00 MB/sec execute 19 sec latency 29910.193 ms 1 296 0.00 MB/sec execute 20 sec latency 30911.516 ms 1 296 0.00 MB/sec execute 21 sec latency 31911.785 ms 1 296 0.00 MB/sec execute 22 sec latency 32912.056 ms 1 296 0.00 MB/sec execute 23 sec latency 33912.901 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 24 sec latency 34913.153 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 25 sec latency 35915.122 ms 1 296 0.00 MB/sec execute 26 sec latency 36917.588 ms Started lustre-MDT0000 09:11:03 (1788181863) targets are mounted 09:11:03 (1788181863) facet_failover done 1 296 0.00 MB/sec execute 27 sec latency 37917.986 ms 1 296 0.00 MB/sec execute 28 sec latency 38921.875 ms 1 296 0.00 MB/sec execute 29 sec latency 39923.274 ms 1 296 0.00 MB/sec execute 30 sec latency 40923.507 ms 1 296 0.00 MB/sec execute 31 sec latency 41924.700 ms 1 296 0.00 MB/sec execute 32 sec latency 42924.870 ms 1 297 0.00 MB/sec execute 33 sec latency 43799.445 ms 1 316 0.02 MB/sec execute 34 sec latency 306.167 ms 1 350 0.04 MB/sec execute 35 sec latency 138.267 ms 1 384 0.07 MB/sec execute 36 sec latency 153.740 ms 1 421 0.11 MB/sec execute 37 sec latency 164.362 ms 1 446 0.12 MB/sec execute 38 sec latency 201.247 ms 1 478 0.15 MB/sec execute 39 sec latency 152.507 ms oleg258-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.17 MB/sec execute 40 sec latency 150.025 ms 1 539 0.20 MB/sec execute 41 sec latency 193.550 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 616 0.24 MB/sec execute 42 sec latency 154.983 ms 1 664 0.24 MB/sec execute 43 sec latency 174.909 ms 1 695 0.23 MB/sec execute 44 sec latency 252.374 ms 1 721 0.23 MB/sec execute 45 sec latency 152.800 ms 1 745 0.22 MB/sec execute 46 sec latency 302.862 ms 1 781 0.22 MB/sec execute 47 sec latency 140.497 ms 1 799 0.22 MB/sec execute 48 sec latency 337.885 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3653632 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 7168 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7385088 1% /mnt/lustre 1 821 0.21 MB/sec execute 49 sec latency 193.807 ms 1 864 0.21 MB/sec execute 50 sec latency 191.145 ms 1 888 0.21 MB/sec execute 51 sec latency 247.087 ms 1 910 0.21 MB/sec execute 52 sec latency 181.734 ms 1 923 0.20 MB/sec execute 53 sec latency 284.850 ms 1 957 0.20 MB/sec execute 54 sec latency 116.114 ms test_26 fail mds1 2 times 1 980 0.20 MB/sec execute 55 sec latency 223.411 ms 1 993 0.20 MB/sec execute 56 sec latency 248.447 ms 1 1050 0.21 MB/sec execute 57 sec latency 114.549 ms Failing mds1 on oleg258-server 1 1091 0.21 MB/sec execute 58 sec latency 118.416 ms Stopping /mnt/lustre-mds1 (opts:) on oleg258-server 1 1134 0.20 MB/sec execute 59 sec latency 79.103 ms 1 1155 0.20 MB/sec execute 60 sec latency 367.849 ms 1 1155 0.20 MB/sec execute 61 sec latency 1368.194 ms 1 1155 0.19 MB/sec execute 62 sec latency 2369.632 ms 1 1155 0.19 MB/sec execute 63 sec latency 3371.167 ms 1 1155 0.19 MB/sec execute 64 sec latency 4377.205 ms 09:11:42 (1788181902) shut down 1 1155 0.19 MB/sec execute 65 sec latency 5382.902 ms facet: mds1 facet_host: oleg258-server facet_failover_host: oleg258-server 1 1155 0.18 MB/sec execute 66 sec latency 6385.245 ms 1 1155 0.18 MB/sec execute 67 sec latency 7385.724 ms 1 1155 0.18 MB/sec execute 68 sec latency 8392.713 ms 1 1155 0.17 MB/sec execute 69 sec latency 9392.930 ms 1 1155 0.17 MB/sec execute 70 sec latency 10393.653 ms 1 1155 0.17 MB/sec execute 71 sec latency 11394.252 ms 1 1155 0.17 MB/sec execute 72 sec latency 12394.508 ms 1 1155 0.16 MB/sec execute 73 sec latency 13394.698 ms 1 1155 0.16 MB/sec execute 74 sec latency 14402.887 ms 1 1155 0.16 MB/sec execute 75 sec latency 15403.307 ms Failover mds1 to oleg258-server mount facets: mds1 1 1155 0.16 MB/sec execute 76 sec latency 16403.998 ms 1 1155 0.16 MB/sec execute 77 sec latency 17404.681 ms 1 1155 0.15 MB/sec execute 78 sec latency 18405.381 ms 1 1155 0.15 MB/sec execute 79 sec latency 19407.597 ms 1 1155 0.15 MB/sec execute 80 sec latency 20407.827 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1155 0.15 MB/sec execute 81 sec latency 21408.326 ms 1 1155 0.15 MB/sec execute 82 sec latency 22408.875 ms 1 1155 0.14 MB/sec execute 83 sec latency 23412.133 ms 1 1155 0.14 MB/sec execute 84 sec latency 24412.410 ms 1 1155 0.14 MB/sec execute 85 sec latency 25414.831 ms 1 1155 0.14 MB/sec execute 86 sec latency 26415.156 ms 1 1155 0.14 MB/sec execute 87 sec latency 27416.886 ms 1 1155 0.14 MB/sec execute 88 sec latency 28417.161 ms 1 1155 0.14 MB/sec execute 89 sec latency 29418.765 ms 1 1155 0.13 MB/sec execute 90 sec latency 30421.147 ms 1 1155 0.13 MB/sec execute 91 sec latency 31421.427 ms 1 1155 0.13 MB/sec execute 92 sec latency 32429.377 ms 1 1155 0.13 MB/sec execute 93 sec latency 33429.794 ms 1 1155 0.13 MB/sec execute 94 sec latency 34430.262 ms 1 1155 0.13 MB/sec execute 95 sec latency 35430.565 ms 1 1155 0.13 MB/sec execute 96 sec latency 36431.378 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 1155 0.12 MB/sec execute 97 sec latency 37431.968 ms 1 1155 0.12 MB/sec execute 98 sec latency 38432.218 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 1155 0.12 MB/sec execute 99 sec latency 39433.851 ms Started lustre-MDT0000 09:12:17 (1788181937) targets are mounted 09:12:17 (1788181937) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 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 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 0 cleanup 118 sec 0 cleanup 118 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 122 94.943 306.152 Close 114 400.303 43799.422 Rename 7 123.904 181.700 Unlink 12 35.482 47.931 Qpathinfo 60 25.856 118.386 Qfileinfo 54 1.978 11.411 Qfsinfo 26 3.264 19.315 Sfileinfo 25 2244.233 54384.427 Find 32 7.779 55.686 WriteX 266 15.260 85.108 ReadX 118 5.371 107.565 Flush 24 151.965 337.870 Throughput 0.121519 MB/sec 1 clients 1 procs max_latency=43799.445 ms stopping dbench on /mnt/lustre at Mon Aug 31 09:12:35 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg258-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 Mon Aug 31 09:12:42 EDT 2026 waiting for dbench pid 46948 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 31 1.05 MB/sec warmup 1 sec latency 69.498 ms 1 85 1.93 MB/sec warmup 2 sec latency 162.030 ms 1 121 1.83 MB/sec warmup 3 sec latency 210.575 ms 1 155 1.63 MB/sec warmup 4 sec latency 179.727 ms 1 184 1.47 MB/sec warmup 5 sec latency 141.336 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3706880 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 4096 3736576 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 43008 7443456 1% /mnt/lustre 1 211 1.36 MB/sec warmup 6 sec latency 191.769 ms 1 243 1.31 MB/sec warmup 7 sec latency 161.677 ms 1 279 1.30 MB/sec warmup 8 sec latency 141.452 ms 1 313 1.27 MB/sec warmup 9 sec latency 154.898 ms 1 349 1.25 MB/sec warmup 10 sec latency 180.194 ms 1 389 1.25 MB/sec warmup 11 sec latency 153.336 ms test_26 fail mds1 3 times 1 421 1.24 MB/sec warmup 12 sec latency 161.825 ms 1 461 1.24 MB/sec warmup 13 sec latency 146.246 ms Failing mds1 on oleg258-server 1 500 1.24 MB/sec warmup 14 sec latency 140.237 ms Stopping /mnt/lustre-mds1 (opts:) on oleg258-server 1 542 1.27 MB/sec warmup 15 sec latency 136.265 ms 1 609 1.31 MB/sec warmup 16 sec latency 116.480 ms 1 609 1.23 MB/sec warmup 17 sec latency 1086.033 ms 1 609 1.16 MB/sec warmup 18 sec latency 2086.947 ms 09:13:01 (1788181981) shut down facet: mds1 facet_host: oleg258-server facet_failover_host: oleg258-server 1 609 1.10 MB/sec warmup 19 sec latency 3087.250 ms 1 609 0.00 MB/sec execute 1 sec latency 5087.854 ms 1 609 0.00 MB/sec execute 2 sec latency 6088.086 ms 1 609 0.00 MB/sec execute 3 sec latency 7089.406 ms 1 609 0.00 MB/sec execute 4 sec latency 8090.496 ms 1 609 0.00 MB/sec execute 5 sec latency 9092.613 ms 1 609 0.00 MB/sec execute 6 sec latency 10093.832 ms 1 609 0.00 MB/sec execute 7 sec latency 11094.033 ms 1 609 0.00 MB/sec execute 8 sec latency 12094.627 ms Failover mds1 to oleg258-server 1 609 0.00 MB/sec execute 9 sec latency 13094.757 ms mount facets: mds1 1 609 0.00 MB/sec execute 10 sec latency 14095.015 ms 1 609 0.00 MB/sec execute 11 sec latency 15095.210 ms 1 609 0.00 MB/sec execute 12 sec latency 16098.835 ms 1 609 0.00 MB/sec execute 13 sec latency 17099.520 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 609 0.00 MB/sec execute 14 sec latency 18099.848 ms 1 609 0.00 MB/sec execute 15 sec latency 19100.150 ms 1 609 0.00 MB/sec execute 16 sec latency 20101.329 ms 1 609 0.00 MB/sec execute 17 sec latency 21101.664 ms 1 609 0.00 MB/sec execute 18 sec latency 22103.876 ms 1 609 0.00 MB/sec execute 19 sec latency 23104.039 ms 1 609 0.00 MB/sec execute 20 sec latency 24104.260 ms 1 609 0.00 MB/sec execute 21 sec latency 25104.498 ms 1 609 0.00 MB/sec execute 22 sec latency 26104.771 ms 1 609 0.00 MB/sec execute 23 sec latency 27105.283 ms 1 609 0.00 MB/sec execute 24 sec latency 28105.673 ms 1 609 0.00 MB/sec execute 25 sec latency 29105.835 ms 1 609 0.00 MB/sec execute 26 sec latency 30105.981 ms 1 609 0.00 MB/sec execute 27 sec latency 31106.159 ms 1 609 0.00 MB/sec execute 28 sec latency 32106.387 ms oleg258-server: oleg258-server.virtnet: executing set_default_debug -1 all 1 609 0.00 MB/sec execute 29 sec latency 33106.661 ms pdsh@oleg258-client: oleg258-server: ssh exited with exit code 1 1 609 0.00 MB/sec execute 30 sec latency 34107.053 ms Started lustre-MDT0000 09:13:33 (1788182013) targets are mounted 09:13:33 (1788182013) facet_failover done 1 609 0.00 MB/sec execute 31 sec latency 35107.506 ms 1 609 0.00 MB/sec execute 32 sec latency 36108.396 ms 1 609 0.00 MB/sec execute 33 sec latency 37108.703 ms 1 609 0.00 MB/sec execute 34 sec latency 38111.250 ms 1 609 0.00 MB/sec execute 35 sec latency 39111.552 ms 1 609 0.00 MB/sec execute 36 sec latency 40113.690 ms 1 609 0.00 MB/sec execute 37 sec latency 41114.602 ms 1 609 0.00 MB/sec execute 38 sec latency 42115.436 ms 1 609 0.00 MB/sec execute 39 sec latency 43117.356 ms 1 648 0.00 MB/sec execute 40 sec latency 43270.312 ms 1 666 0.00 MB/sec execute 41 sec latency 366.385 ms 1 692 0.01 MB/sec execute 42 sec latency 153.785 ms 1 718 0.01 MB/sec execute 43 sec latency 153.863 ms 1 736 0.01 MB/sec execute 44 sec latency 281.245 ms oleg258-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.01 MB/sec execute 45 sec latency 146.115 ms 1 798 0.01 MB/sec execute 46 sec latency 295.666 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 816 0.01 MB/sec execute 47 sec latency 176.362 ms 1 863 0.01 MB/sec execute 48 sec latency 110.613 ms 1 878 0.01 MB/sec execute 49 sec latency 360.059 ms 1 905 0.01 MB/sec execute 50 sec latency 125.888 ms 1 928 0.02 MB/sec execute 51 sec latency 260.558 ms 1 980 0.02 MB/sec execute 52 sec latency 97.996 ms 1 1002 0.02 MB/sec execute 53 sec latency 220.137 ms 1 1056 0.04 MB/sec execute 54 sec latency 211.672 ms 1 1101 0.04 MB/sec execute 55 sec latency 115.779 ms 1 1142 0.04 MB/sec execute 56 sec latency 114.593 ms 1 1181 0.04 MB/sec execute 57 sec latency 111.834 ms 1 1221 0.04 MB/sec execute 58 sec latency 222.627 ms 1 1262 0.04 MB/sec execute 59 sec latency 85.679 ms 1 1396 0.08 MB/sec execute 60 sec latency 98.322 ms 1 1426 0.08 MB/sec execute 61 sec latency 137.141 ms 1 1481 0.08 MB/sec execute 62 sec latency 134.735 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 31 09:14:05 EDT 2026 with return code 0 46948 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46948 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished