== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:24:36 (1788848676) Starting client oleg116-client.virtnet: -o user_xattr,flock 192.168.201.116@tcp:/lustre /mnt/lustre Started clients oleg116-client.virtnet: 192.168.201.116@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 45206 Started dbench loop with 45207 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 6144 3738624 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 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 Tue Sep 8 02:24:44 EDT 2026 waiting for dbench pid 45278 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 14 0.00 MB/sec warmup 1 sec latency 30.839 ms 1 54 1.05 MB/sec warmup 2 sec latency 250.159 ms 1 103 1.59 MB/sec warmup 3 sec latency 130.693 ms 1 129 1.44 MB/sec warmup 4 sec latency 264.057 ms 1 151 1.27 MB/sec warmup 5 sec latency 251.776 ms test_26 fail mds1 1 times 1 181 1.22 MB/sec warmup 6 sec latency 176.528 ms 1 199 1.12 MB/sec warmup 7 sec latency 338.671 ms 1 224 1.08 MB/sec warmup 8 sec latency 199.705 ms Failing mds1 on oleg116-server 1 255 1.07 MB/sec warmup 9 sec latency 169.472 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 287 1.07 MB/sec warmup 10 sec latency 181.002 ms 1 305 1.02 MB/sec warmup 11 sec latency 218.447 ms 1 305 0.93 MB/sec warmup 12 sec latency 1101.446 ms 1 305 0.86 MB/sec warmup 13 sec latency 2101.994 ms 02:24:57 (1788848697) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 305 0.80 MB/sec warmup 14 sec latency 3102.368 ms 1 305 0.75 MB/sec warmup 15 sec latency 4102.656 ms 1 305 0.70 MB/sec warmup 16 sec latency 5102.964 ms 1 305 0.66 MB/sec warmup 17 sec latency 6107.213 ms 1 305 0.62 MB/sec warmup 18 sec latency 7108.529 ms 1 305 0.59 MB/sec warmup 19 sec latency 8108.864 ms 1 305 0.00 MB/sec execute 1 sec latency 10111.444 ms 1 305 0.00 MB/sec execute 2 sec latency 11111.848 ms 1 305 0.00 MB/sec execute 3 sec latency 12112.516 ms Failover mds1 to oleg116-server 1 305 0.00 MB/sec execute 4 sec latency 13115.902 ms mount facets: mds1 1 305 0.00 MB/sec execute 5 sec latency 14116.856 ms 1 305 0.00 MB/sec execute 6 sec latency 15117.240 ms 1 305 0.00 MB/sec execute 7 sec latency 16117.701 ms 1 305 0.00 MB/sec execute 8 sec latency 17118.755 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 305 0.00 MB/sec execute 9 sec latency 18121.410 ms 1 305 0.00 MB/sec execute 10 sec latency 19121.668 ms 1 305 0.00 MB/sec execute 11 sec latency 20122.086 ms 1 305 0.00 MB/sec execute 12 sec latency 21122.414 ms 1 305 0.00 MB/sec execute 13 sec latency 22122.706 ms 1 305 0.00 MB/sec execute 14 sec latency 23122.970 ms 1 305 0.00 MB/sec execute 15 sec latency 24123.364 ms 1 305 0.00 MB/sec execute 16 sec latency 25123.876 ms 1 305 0.00 MB/sec execute 17 sec latency 26124.439 ms 1 305 0.00 MB/sec execute 18 sec latency 27124.828 ms 1 305 0.00 MB/sec execute 19 sec latency 28125.042 ms 1 305 0.00 MB/sec execute 20 sec latency 29126.271 ms 1 305 0.00 MB/sec execute 21 sec latency 30126.893 ms 1 305 0.00 MB/sec execute 22 sec latency 31127.144 ms 1 305 0.00 MB/sec execute 23 sec latency 32127.684 ms 1 305 0.00 MB/sec execute 24 sec latency 33128.148 ms 1 305 0.00 MB/sec execute 25 sec latency 34135.121 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 26 sec latency 35135.650 ms 1 305 0.00 MB/sec execute 27 sec latency 36135.914 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 28 sec latency 37136.732 ms Started lustre-MDT0000 02:25:32 (1788848732) targets are mounted 02:25:32 (1788848732) facet_failover done 1 305 0.00 MB/sec execute 29 sec latency 38137.121 ms 1 305 0.00 MB/sec execute 30 sec latency 39141.526 ms 1 305 0.00 MB/sec execute 31 sec latency 40143.423 ms 1 305 0.00 MB/sec execute 32 sec latency 41144.536 ms 1 310 0.00 MB/sec execute 33 sec latency 42053.366 ms 1 341 0.03 MB/sec execute 34 sec latency 168.619 ms 1 389 0.07 MB/sec execute 35 sec latency 152.478 ms 1 437 0.12 MB/sec execute 36 sec latency 98.229 ms 1 469 0.14 MB/sec execute 37 sec latency 151.370 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 498 0.16 MB/sec execute 38 sec latency 166.444 ms 1 513 0.17 MB/sec execute 39 sec latency 252.739 ms 1 583 0.22 MB/sec execute 40 sec latency 210.457 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 639 0.24 MB/sec execute 41 sec latency 118.362 ms 1 664 0.24 MB/sec execute 42 sec latency 336.137 ms 1 686 0.23 MB/sec execute 43 sec latency 423.912 ms 1 715 0.23 MB/sec execute 44 sec latency 131.256 ms 1 733 0.22 MB/sec execute 45 sec latency 234.851 ms 1 775 0.22 MB/sec execute 46 sec latency 144.791 ms 1 796 0.22 MB/sec execute 47 sec latency 297.552 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3734528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3703808 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7438336 1% /mnt/lustre 1 815 0.21 MB/sec execute 48 sec latency 165.629 ms 1 863 0.21 MB/sec execute 49 sec latency 119.486 ms 1 882 0.21 MB/sec execute 50 sec latency 314.422 ms 1 904 0.20 MB/sec execute 51 sec latency 142.414 ms 1 919 0.20 MB/sec execute 52 sec latency 262.210 ms 1 955 0.20 MB/sec execute 53 sec latency 126.185 ms 1 981 0.20 MB/sec execute 54 sec latency 196.624 ms test_26 fail mds1 2 times 1 1026 0.21 MB/sec execute 55 sec latency 131.687 ms 1 1074 0.21 MB/sec execute 56 sec latency 96.224 ms Failing mds1 on oleg116-server 1 1112 0.21 MB/sec execute 57 sec latency 103.671 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 1145 0.20 MB/sec execute 58 sec latency 105.848 ms 1 1178 0.20 MB/sec execute 59 sec latency 186.461 ms 1 1178 0.20 MB/sec execute 60 sec latency 1186.946 ms 1 1178 0.19 MB/sec execute 61 sec latency 2187.376 ms 02:26:06 (1788848766) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 1178 0.19 MB/sec execute 62 sec latency 3188.412 ms 1 1178 0.19 MB/sec execute 63 sec latency 4190.033 ms 1 1178 0.18 MB/sec execute 64 sec latency 5190.721 ms 1 1178 0.18 MB/sec execute 65 sec latency 6190.943 ms 1 1178 0.18 MB/sec execute 66 sec latency 7191.786 ms 1 1178 0.18 MB/sec execute 67 sec latency 8195.129 ms 1 1178 0.17 MB/sec execute 68 sec latency 9197.482 ms 1 1178 0.17 MB/sec execute 69 sec latency 10197.712 ms 1 1178 0.17 MB/sec execute 70 sec latency 11197.907 ms 1 1178 0.17 MB/sec execute 71 sec latency 12198.105 ms 1 1178 0.16 MB/sec execute 72 sec latency 13198.350 ms Failover mds1 to oleg116-server mount facets: mds1 1 1178 0.16 MB/sec execute 73 sec latency 14198.517 ms 1 1178 0.16 MB/sec execute 74 sec latency 15198.724 ms 1 1178 0.16 MB/sec execute 75 sec latency 16198.937 ms 1 1178 0.15 MB/sec execute 76 sec latency 17199.186 ms 1 1178 0.15 MB/sec execute 77 sec latency 18199.945 ms 1 1178 0.15 MB/sec execute 78 sec latency 19200.214 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1178 0.15 MB/sec execute 79 sec latency 20200.588 ms 1 1178 0.15 MB/sec execute 80 sec latency 21200.802 ms 1 1178 0.15 MB/sec execute 81 sec latency 22204.553 ms 1 1178 0.14 MB/sec execute 82 sec latency 23204.933 ms 1 1178 0.14 MB/sec execute 83 sec latency 24205.665 ms 1 1178 0.14 MB/sec execute 84 sec latency 25205.898 ms 1 1178 0.14 MB/sec execute 85 sec latency 26206.161 ms 1 1178 0.14 MB/sec execute 86 sec latency 27207.709 ms 1 1178 0.14 MB/sec execute 87 sec latency 28210.126 ms 1 1178 0.13 MB/sec execute 88 sec latency 29211.176 ms 1 1178 0.13 MB/sec execute 89 sec latency 30214.868 ms 1 1178 0.13 MB/sec execute 90 sec latency 31217.142 ms 1 1178 0.13 MB/sec execute 91 sec latency 32217.752 ms 1 1178 0.13 MB/sec execute 92 sec latency 33219.421 ms 1 1178 0.13 MB/sec execute 93 sec latency 34219.979 ms 1 1178 0.13 MB/sec execute 94 sec latency 35227.948 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 1178 0.12 MB/sec execute 95 sec latency 36230.465 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 1178 0.12 MB/sec execute 96 sec latency 37230.731 ms Started lustre-MDT0000 02:26:41 (1788848801) targets are mounted 02:26:41 (1788848801) facet_failover done 1 1178 0.12 MB/sec execute 97 sec latency 38231.668 ms 1 1178 0.12 MB/sec execute 98 sec latency 39233.155 ms 1 1178 0.12 MB/sec execute 99 sec latency 40233.469 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 127 415.610 42053.343 Close 117 14.292 65.647 Rename 8 94.705 142.368 Unlink 13 28.796 48.545 Qpathinfo 72 591.834 40571.648 Qfileinfo 55 2.081 7.571 Qfsinfo 28 6.553 41.148 Sfileinfo 27 69.080 108.191 Find 36 9.124 72.830 WriteX 266 14.616 111.823 ReadX 123 5.663 118.347 Flush 24 166.149 423.888 Throughput 0.118901 MB/sec 1 clients 1 procs max_latency=42053.366 ms stopping dbench on /mnt/lustre at Tue Sep 8 02:26:49 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 8 02:26:56 EDT 2026 waiting for dbench pid 47234 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 24 0.65 MB/sec warmup 1 sec latency 40.862 ms 1 71 1.57 MB/sec warmup 2 sec latency 137.526 ms 1 121 1.83 MB/sec warmup 3 sec latency 140.998 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 28672 3698688 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7443456 1% /mnt/lustre 1 147 1.57 MB/sec warmup 4 sec latency 183.829 ms 1 173 1.41 MB/sec warmup 5 sec latency 206.046 ms 1 199 1.30 MB/sec warmup 6 sec latency 235.860 ms 1 222 1.23 MB/sec warmup 7 sec latency 216.023 ms 1 248 1.17 MB/sec warmup 8 sec latency 164.861 ms 1 279 1.16 MB/sec warmup 9 sec latency 150.721 ms 1 309 1.13 MB/sec warmup 10 sec latency 157.641 ms test_26 fail mds1 3 times 1 341 1.11 MB/sec warmup 11 sec latency 169.380 ms 1 370 1.10 MB/sec warmup 12 sec latency 166.241 ms 1 397 1.08 MB/sec warmup 13 sec latency 194.110 ms Failing mds1 on oleg116-server 1 434 1.09 MB/sec warmup 14 sec latency 138.840 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 462 1.08 MB/sec warmup 15 sec latency 140.810 ms 1 499 1.09 MB/sec warmup 16 sec latency 160.974 ms 1 500 1.03 MB/sec warmup 17 sec latency 996.215 ms 1 500 0.97 MB/sec warmup 18 sec latency 1997.330 ms 1 500 0.92 MB/sec warmup 19 sec latency 2997.831 ms 02:27:15 (1788848835) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 500 0.00 MB/sec execute 1 sec latency 5000.174 ms 1 500 0.00 MB/sec execute 2 sec latency 6001.200 ms 1 500 0.00 MB/sec execute 3 sec latency 7002.281 ms 1 500 0.00 MB/sec execute 4 sec latency 8002.465 ms 1 500 0.00 MB/sec execute 5 sec latency 9002.716 ms 1 500 0.00 MB/sec execute 6 sec latency 10002.916 ms 1 500 0.00 MB/sec execute 7 sec latency 11003.893 ms 1 500 0.00 MB/sec execute 8 sec latency 12004.124 ms 1 500 0.00 MB/sec execute 9 sec latency 13005.854 ms Failover mds1 to oleg116-server mount facets: mds1 1 500 0.00 MB/sec execute 10 sec latency 14011.487 ms 1 500 0.00 MB/sec execute 11 sec latency 15012.017 ms 1 500 0.00 MB/sec execute 12 sec latency 16012.941 ms 1 500 0.00 MB/sec execute 13 sec latency 17013.321 ms 1 500 0.00 MB/sec execute 14 sec latency 18014.147 ms 1 500 0.00 MB/sec execute 15 sec latency 19017.393 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 500 0.00 MB/sec execute 16 sec latency 20017.599 ms 1 500 0.00 MB/sec execute 17 sec latency 21017.838 ms 1 500 0.00 MB/sec execute 18 sec latency 22018.055 ms 1 500 0.00 MB/sec execute 19 sec latency 23019.118 ms 1 500 0.00 MB/sec execute 20 sec latency 24019.584 ms 1 500 0.00 MB/sec execute 21 sec latency 25019.780 ms 1 500 0.00 MB/sec execute 22 sec latency 26020.750 ms 1 500 0.00 MB/sec execute 23 sec latency 27021.091 ms 1 500 0.00 MB/sec execute 24 sec latency 28021.323 ms 1 500 0.00 MB/sec execute 25 sec latency 29024.043 ms 1 500 0.00 MB/sec execute 26 sec latency 30024.491 ms 1 500 0.00 MB/sec execute 27 sec latency 31024.692 ms 1 500 0.00 MB/sec execute 28 sec latency 32025.917 ms 1 500 0.00 MB/sec execute 29 sec latency 33026.282 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 30 sec latency 34026.683 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 500 0.00 MB/sec execute 31 sec latency 35028.061 ms Started lustre-MDT0000 02:27:48 (1788848868) targets are mounted 02:27:48 (1788848868) facet_failover done 1 500 0.00 MB/sec execute 32 sec latency 36028.322 ms 1 500 0.00 MB/sec execute 33 sec latency 37028.806 ms 1 500 0.00 MB/sec execute 34 sec latency 38032.537 ms 1 500 0.00 MB/sec execute 35 sec latency 39032.732 ms 1 500 0.00 MB/sec execute 36 sec latency 40040.836 ms 1 511 0.01 MB/sec execute 37 sec latency 40285.812 ms 1 560 0.04 MB/sec execute 38 sec latency 164.419 ms 1 637 0.09 MB/sec execute 39 sec latency 112.738 ms 1 664 0.09 MB/sec execute 40 sec latency 172.580 ms 1 689 0.09 MB/sec execute 41 sec latency 306.000 ms 1 710 0.09 MB/sec execute 42 sec latency 129.089 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 731 0.09 MB/sec execute 43 sec latency 193.556 ms 1 762 0.09 MB/sec execute 44 sec latency 160.196 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 780 0.09 MB/sec execute 45 sec latency 177.761 ms 1 794 0.09 MB/sec execute 46 sec latency 498.463 ms 1 806 0.09 MB/sec execute 47 sec latency 223.764 ms 1 857 0.09 MB/sec execute 48 sec latency 135.410 ms 1 876 0.09 MB/sec execute 49 sec latency 306.768 ms 1 905 0.08 MB/sec execute 50 sec latency 156.501 ms 1 933 0.08 MB/sec execute 51 sec latency 250.438 ms 1 976 0.08 MB/sec execute 52 sec latency 100.644 ms 1 991 0.08 MB/sec execute 53 sec latency 364.740 ms 1 1063 0.10 MB/sec execute 54 sec latency 75.856 ms 1 1119 0.10 MB/sec execute 55 sec latency 103.941 ms 1 1163 0.10 MB/sec execute 56 sec latency 116.472 ms 1 1216 0.10 MB/sec execute 57 sec latency 78.496 ms 1 1252 0.10 MB/sec execute 58 sec latency 104.315 ms 1 1384 0.14 MB/sec execute 59 sec latency 120.223 ms 1 1418 0.14 MB/sec execute 60 sec latency 114.426 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 02:28:17 EDT 2026 with return code 0 47234 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47234 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished