== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:40:08 (1789184408) Starting client oleg434-client.virtnet: -o user_xattr,flock 192.168.204.134@tcp:/lustre /mnt/lustre Started clients oleg434-client.virtnet: 192.168.204.134@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 45294 Started dbench loop with 45295 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 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3738624 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7500800 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 23:40:14 EDT 2026 waiting for dbench pid 45363 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 18 0.26 MB/sec warmup 1 sec latency 24.307 ms 1 63 1.34 MB/sec warmup 2 sec latency 176.964 ms 1 111 1.74 MB/sec warmup 3 sec latency 157.917 ms 1 139 1.50 MB/sec warmup 4 sec latency 173.980 ms 1 168 1.36 MB/sec warmup 5 sec latency 168.658 ms test_26 fail mds1 1 times 1 190 1.26 MB/sec warmup 6 sec latency 215.389 ms 1 213 1.18 MB/sec warmup 7 sec latency 185.681 ms Failing mds1 on oleg434-server 1 239 1.14 MB/sec warmup 8 sec latency 206.241 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 269 1.12 MB/sec warmup 9 sec latency 147.272 ms 1 298 1.09 MB/sec warmup 10 sec latency 190.419 ms 1 304 1.02 MB/sec warmup 11 sec latency 917.909 ms 1 304 0.93 MB/sec warmup 12 sec latency 1918.243 ms 1 304 0.86 MB/sec warmup 13 sec latency 2918.522 ms 23:40:28 (1789184428) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 304 0.80 MB/sec warmup 14 sec latency 3918.969 ms 1 304 0.75 MB/sec warmup 15 sec latency 4919.343 ms 1 304 0.70 MB/sec warmup 16 sec latency 5919.841 ms 1 304 0.66 MB/sec warmup 17 sec latency 6920.206 ms 1 304 0.62 MB/sec warmup 18 sec latency 7929.389 ms 1 304 0.59 MB/sec warmup 19 sec latency 8929.666 ms 1 304 0.00 MB/sec execute 1 sec latency 10930.976 ms 1 304 0.00 MB/sec execute 2 sec latency 11931.226 ms 1 304 0.00 MB/sec execute 3 sec latency 12931.467 ms Failover mds1 to oleg434-server mount facets: mds1 1 304 0.00 MB/sec execute 4 sec latency 13935.363 ms 1 304 0.00 MB/sec execute 5 sec latency 14935.726 ms 1 304 0.00 MB/sec execute 6 sec latency 15937.159 ms 1 304 0.00 MB/sec execute 7 sec latency 16937.437 ms 1 304 0.00 MB/sec execute 8 sec latency 17937.706 ms 1 304 0.00 MB/sec execute 9 sec latency 18937.958 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 10 sec latency 19938.236 ms 1 304 0.00 MB/sec execute 11 sec latency 20939.070 ms 1 304 0.00 MB/sec execute 12 sec latency 21939.773 ms 1 304 0.00 MB/sec execute 13 sec latency 22940.311 ms 1 304 0.00 MB/sec execute 14 sec latency 23940.747 ms 1 304 0.00 MB/sec execute 15 sec latency 24941.010 ms 1 304 0.00 MB/sec execute 16 sec latency 25941.544 ms 1 304 0.00 MB/sec execute 17 sec latency 26941.808 ms 1 304 0.00 MB/sec execute 18 sec latency 27942.315 ms 1 304 0.00 MB/sec execute 19 sec latency 28942.535 ms 1 304 0.00 MB/sec execute 20 sec latency 29943.324 ms 1 304 0.00 MB/sec execute 21 sec latency 30944.346 ms 1 304 0.00 MB/sec execute 22 sec latency 31945.380 ms 1 304 0.00 MB/sec execute 23 sec latency 32945.599 ms 1 304 0.00 MB/sec execute 24 sec latency 33945.891 ms 1 304 0.00 MB/sec execute 25 sec latency 34946.201 ms 1 304 0.00 MB/sec execute 26 sec latency 35946.862 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 27 sec latency 36947.193 ms 1 304 0.00 MB/sec execute 28 sec latency 37949.706 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 29 sec latency 38950.594 ms Started lustre-MDT0000 23:41:04 (1789184464) targets are mounted 23:41:04 (1789184464) facet_failover done 1 304 0.00 MB/sec execute 30 sec latency 39952.302 ms 1 306 0.00 MB/sec execute 31 sec latency 40638.253 ms 1 331 0.02 MB/sec execute 32 sec latency 186.331 ms 1 357 0.05 MB/sec execute 33 sec latency 226.269 ms 1 389 0.08 MB/sec execute 34 sec latency 149.141 ms 1 414 0.10 MB/sec execute 35 sec latency 167.334 ms 1 438 0.12 MB/sec execute 36 sec latency 185.241 ms 1 469 0.14 MB/sec execute 37 sec latency 147.763 ms 1 493 0.16 MB/sec execute 38 sec latency 182.630 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 513 0.17 MB/sec execute 39 sec latency 198.203 ms 1 543 0.20 MB/sec execute 40 sec latency 248.321 ms 1 618 0.24 MB/sec execute 41 sec latency 162.768 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 661 0.24 MB/sec execute 42 sec latency 164.603 ms 1 676 0.23 MB/sec execute 43 sec latency 249.829 ms 1 697 0.23 MB/sec execute 44 sec latency 153.103 ms 1 721 0.22 MB/sec execute 45 sec latency 141.012 ms 1 735 0.22 MB/sec execute 46 sec latency 315.659 ms 1 774 0.22 MB/sec execute 47 sec latency 111.000 ms 1 789 0.21 MB/sec execute 48 sec latency 408.380 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3693568 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3706880 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7400448 1% /mnt/lustre 1 804 0.21 MB/sec execute 49 sec latency 496.391 ms 1 819 0.20 MB/sec execute 50 sec latency 212.005 ms 1 861 0.20 MB/sec execute 51 sec latency 125.771 ms 1 876 0.20 MB/sec execute 52 sec latency 346.757 ms 1 902 0.20 MB/sec execute 53 sec latency 151.647 ms 1 921 0.19 MB/sec execute 54 sec latency 181.504 ms 1 955 0.19 MB/sec execute 55 sec latency 140.992 ms 1 983 0.19 MB/sec execute 56 sec latency 225.836 ms test_26 fail mds1 2 times 1 1040 0.20 MB/sec execute 57 sec latency 96.437 ms 1 1072 0.20 MB/sec execute 58 sec latency 158.850 ms 1 1103 0.20 MB/sec execute 59 sec latency 117.384 ms Failing mds1 on oleg434-server 1 1139 0.20 MB/sec execute 60 sec latency 122.291 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 1162 0.19 MB/sec execute 61 sec latency 192.391 ms 1 1188 0.19 MB/sec execute 62 sec latency 114.104 ms 1 1188 0.19 MB/sec execute 63 sec latency 1114.478 ms 1 1188 0.18 MB/sec execute 64 sec latency 2114.764 ms 1 1188 0.18 MB/sec execute 65 sec latency 3115.043 ms 23:41:40 (1789184500) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 1188 0.18 MB/sec execute 66 sec latency 4117.471 ms 1 1188 0.18 MB/sec execute 67 sec latency 5117.708 ms 1 1188 0.17 MB/sec execute 68 sec latency 6117.990 ms 1 1188 0.17 MB/sec execute 69 sec latency 7118.431 ms 1 1188 0.17 MB/sec execute 70 sec latency 8118.839 ms 1 1188 0.17 MB/sec execute 71 sec latency 9119.270 ms 1 1188 0.16 MB/sec execute 72 sec latency 10119.568 ms 1 1188 0.16 MB/sec execute 73 sec latency 11120.377 ms 1 1188 0.16 MB/sec execute 74 sec latency 12121.463 ms 1 1188 0.16 MB/sec execute 75 sec latency 13121.852 ms Failover mds1 to oleg434-server mount facets: mds1 1 1188 0.16 MB/sec execute 76 sec latency 14122.022 ms 1 1188 0.15 MB/sec execute 77 sec latency 15124.104 ms 1 1188 0.15 MB/sec execute 78 sec latency 16124.379 ms 1 1188 0.15 MB/sec execute 79 sec latency 17125.960 ms 1 1188 0.15 MB/sec execute 80 sec latency 18126.834 ms 1 1188 0.15 MB/sec execute 81 sec latency 19128.075 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.14 MB/sec execute 82 sec latency 20130.224 ms 1 1188 0.14 MB/sec execute 83 sec latency 21130.553 ms 1 1188 0.14 MB/sec execute 84 sec latency 22132.684 ms 1 1188 0.14 MB/sec execute 85 sec latency 23133.096 ms 1 1188 0.14 MB/sec execute 86 sec latency 24135.824 ms 1 1188 0.14 MB/sec execute 87 sec latency 25139.221 ms 1 1188 0.13 MB/sec execute 88 sec latency 26141.904 ms 1 1188 0.13 MB/sec execute 89 sec latency 27142.337 ms 1 1188 0.13 MB/sec execute 90 sec latency 28143.397 ms 1 1188 0.13 MB/sec execute 91 sec latency 29143.805 ms 1 1188 0.13 MB/sec execute 92 sec latency 30144.058 ms 1 1188 0.13 MB/sec execute 93 sec latency 31146.507 ms 1 1188 0.13 MB/sec execute 94 sec latency 32147.115 ms 1 1188 0.12 MB/sec execute 95 sec latency 33147.947 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 1188 0.12 MB/sec execute 96 sec latency 34148.199 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 1188 0.12 MB/sec execute 97 sec latency 35153.032 ms Started lustre-MDT0000 23:42:12 (1789184532) targets are mounted 23:42:13 (1789184533) facet_failover done 1 1188 0.12 MB/sec execute 98 sec latency 36153.225 ms 1 1188 0.12 MB/sec execute 99 sec latency 37153.578 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 125 103.954 301.714 Close 116 704.623 40637.927 Rename 7 134.625 192.357 Unlink 13 39.933 66.608 Qpathinfo 69 33.515 211.946 Qfileinfo 55 2.769 12.666 Qfsinfo 28 9.012 58.943 Sfileinfo 25 81.800 169.453 Find 36 12.096 51.578 WriteX 265 17.885 171.712 ReadX 122 6.396 114.332 Flush 24 162.540 496.376 Throughput 0.119162 MB/sec 1 clients 1 procs max_latency=40638.253 ms stopping dbench on /mnt/lustre at Fri Sep 11 23:42:20 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 Fri Sep 11 23:42:28 EDT 2026 waiting for dbench pid 47315 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 49.099 ms 1 90 2.09 MB/sec warmup 2 sec latency 140.451 ms 1 133 1.93 MB/sec warmup 3 sec latency 157.405 ms 1 157 1.63 MB/sec warmup 4 sec latency 176.684 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3692544 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 4096 3739648 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 41984 7432192 1% /mnt/lustre 1 189 1.51 MB/sec warmup 5 sec latency 178.167 ms 1 231 1.48 MB/sec warmup 6 sec latency 137.627 ms 1 279 1.49 MB/sec warmup 7 sec latency 81.931 ms 1 305 1.40 MB/sec warmup 8 sec latency 203.146 ms 1 334 1.33 MB/sec warmup 9 sec latency 145.012 ms 1 373 1.33 MB/sec warmup 10 sec latency 127.586 ms test_26 fail mds1 3 times 1 406 1.30 MB/sec warmup 11 sec latency 163.854 ms 1 437 1.28 MB/sec warmup 12 sec latency 154.394 ms Failing mds1 on oleg434-server 1 470 1.26 MB/sec warmup 13 sec latency 145.947 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 503 1.24 MB/sec warmup 14 sec latency 160.130 ms 1 542 1.27 MB/sec warmup 15 sec latency 147.933 ms 1 600 1.31 MB/sec warmup 16 sec latency 534.134 ms 1 600 1.23 MB/sec warmup 17 sec latency 1536.454 ms 1 600 1.16 MB/sec warmup 18 sec latency 2536.854 ms 23:42:46 (1789184566) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 600 1.10 MB/sec warmup 19 sec latency 3537.277 ms 1 600 0.00 MB/sec execute 1 sec latency 5538.482 ms 1 600 0.00 MB/sec execute 2 sec latency 6538.809 ms 1 600 0.00 MB/sec execute 3 sec latency 7539.111 ms 1 600 0.00 MB/sec execute 4 sec latency 8539.358 ms 1 600 0.00 MB/sec execute 5 sec latency 9539.683 ms 1 600 0.00 MB/sec execute 6 sec latency 10540.655 ms 1 600 0.00 MB/sec execute 7 sec latency 11540.952 ms 1 600 0.00 MB/sec execute 8 sec latency 12541.222 ms 1 600 0.00 MB/sec execute 9 sec latency 13541.380 ms Failover mds1 to oleg434-server mount facets: mds1 1 600 0.00 MB/sec execute 10 sec latency 14544.970 ms 1 600 0.00 MB/sec execute 11 sec latency 15552.107 ms 1 600 0.00 MB/sec execute 12 sec latency 16555.983 ms 1 600 0.00 MB/sec execute 13 sec latency 17557.831 ms 1 600 0.00 MB/sec execute 14 sec latency 18560.158 ms 1 600 0.00 MB/sec execute 15 sec latency 19568.852 ms 1 600 0.00 MB/sec execute 16 sec latency 20569.632 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 17 sec latency 21569.923 ms 1 600 0.00 MB/sec execute 18 sec latency 22570.526 ms 1 600 0.00 MB/sec execute 19 sec latency 23570.779 ms 1 600 0.00 MB/sec execute 20 sec latency 24571.928 ms 1 600 0.00 MB/sec execute 21 sec latency 25572.221 ms 1 600 0.00 MB/sec execute 22 sec latency 26579.610 ms 1 600 0.00 MB/sec execute 23 sec latency 27581.245 ms 1 600 0.00 MB/sec execute 24 sec latency 28581.406 ms 1 600 0.00 MB/sec execute 25 sec latency 29581.598 ms 1 600 0.00 MB/sec execute 26 sec latency 30585.987 ms 1 600 0.00 MB/sec execute 27 sec latency 31586.587 ms 1 600 0.00 MB/sec execute 28 sec latency 32586.844 ms 1 600 0.00 MB/sec execute 29 sec latency 33587.191 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 30 sec latency 34587.772 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 31 sec latency 35588.580 ms Started lustre-MDT0000 23:43:20 (1789184600) targets are mounted 23:43:20 (1789184600) facet_failover done 1 600 0.00 MB/sec execute 32 sec latency 36589.034 ms 1 600 0.00 MB/sec execute 33 sec latency 37590.537 ms 1 600 0.00 MB/sec execute 34 sec latency 38593.079 ms 1 600 0.00 MB/sec execute 35 sec latency 39593.364 ms 1 600 0.00 MB/sec execute 36 sec latency 40595.445 ms 1 600 0.00 MB/sec execute 37 sec latency 41595.689 ms 1 600 0.00 MB/sec execute 38 sec latency 42598.364 ms 1 642 0.00 MB/sec execute 39 sec latency 42841.302 ms 1 669 0.00 MB/sec execute 40 sec latency 286.998 ms 1 689 0.01 MB/sec execute 41 sec latency 170.817 ms 1 721 0.01 MB/sec execute 42 sec latency 148.191 ms 1 734 0.01 MB/sec execute 43 sec latency 358.310 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 762 0.01 MB/sec execute 44 sec latency 158.211 ms 1 790 0.01 MB/sec execute 45 sec latency 255.119 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.01 MB/sec execute 46 sec latency 199.136 ms 1 851 0.01 MB/sec execute 47 sec latency 133.492 ms 1 874 0.01 MB/sec execute 48 sec latency 287.871 ms 1 897 0.01 MB/sec execute 49 sec latency 176.653 ms 1 913 0.02 MB/sec execute 50 sec latency 337.422 ms 1 936 0.02 MB/sec execute 51 sec latency 409.528 ms 1 977 0.02 MB/sec execute 52 sec latency 95.162 ms 1 995 0.02 MB/sec execute 53 sec latency 206.558 ms 1 1038 0.04 MB/sec execute 54 sec latency 199.242 ms 1 1084 0.04 MB/sec execute 55 sec latency 100.091 ms 1 1145 0.04 MB/sec execute 56 sec latency 89.444 ms 1 1188 0.04 MB/sec execute 57 sec latency 133.345 ms 1 1221 0.04 MB/sec execute 58 sec latency 113.766 ms 1 1240 0.04 MB/sec execute 59 sec latency 177.807 ms 1 1271 0.04 MB/sec execute 60 sec latency 118.873 ms 1 1391 0.08 MB/sec execute 61 sec latency 135.281 ms 1 1419 0.08 MB/sec execute 62 sec latency 156.697 ms 1 1451 0.08 MB/sec execute 63 sec latency 142.016 ms dbench killed by signal 15 1 1486 0.08 MB/sec execute 64 sec latency 309.596 ms stopping dbench on /mnt/lustre at Fri Sep 11 23:43:52 EDT 2026 with return code 0 47315 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47315 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished