== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:55:40 (1788868540) Starting client oleg107-client.virtnet: -o user_xattr,flock 192.168.201.107@tcp:/lustre /mnt/lustre Started clients oleg107-client.virtnet: 192.168.201.107@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 45182 Started dbench loop with 45183 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 22528 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7491584 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 07:55:46 EDT 2026 waiting for dbench pid 45252 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 157.734 ms 1 82 1.83 MB/sec warmup 2 sec latency 164.570 ms 1 121 1.83 MB/sec warmup 3 sec latency 227.097 ms 1 157 1.63 MB/sec warmup 4 sec latency 165.807 ms 1 184 1.48 MB/sec warmup 5 sec latency 182.150 ms test_26 fail mds1 1 times 1 215 1.39 MB/sec warmup 6 sec latency 207.218 ms 1 244 1.32 MB/sec warmup 7 sec latency 133.365 ms Failing mds1 on oleg107-server 1 287 1.33 MB/sec warmup 8 sec latency 108.574 ms Stopping /mnt/lustre-mds1 (opts:) on oleg107-server 1 327 1.31 MB/sec warmup 9 sec latency 152.389 ms 1 356 1.27 MB/sec warmup 10 sec latency 357.262 ms 1 356 1.16 MB/sec warmup 11 sec latency 1357.499 ms 1 356 1.06 MB/sec warmup 12 sec latency 2357.747 ms 07:55:58 (1788868558) shut down facet: mds1 facet_host: oleg107-server facet_failover_host: oleg107-server 1 356 0.98 MB/sec warmup 13 sec latency 3361.179 ms 1 356 0.91 MB/sec warmup 14 sec latency 4361.472 ms 1 356 0.85 MB/sec warmup 15 sec latency 5362.821 ms 1 356 0.80 MB/sec warmup 16 sec latency 6363.052 ms 1 356 0.75 MB/sec warmup 17 sec latency 7363.318 ms 1 356 0.71 MB/sec warmup 18 sec latency 8363.534 ms 1 356 0.67 MB/sec warmup 19 sec latency 9364.635 ms 1 356 0.00 MB/sec execute 1 sec latency 11365.058 ms 1 356 0.00 MB/sec execute 2 sec latency 12365.294 ms Failover mds1 to oleg107-server mount facets: mds1 1 356 0.00 MB/sec execute 3 sec latency 13375.529 ms 1 356 0.00 MB/sec execute 4 sec latency 14377.338 ms 1 356 0.00 MB/sec execute 5 sec latency 15377.572 ms 1 356 0.00 MB/sec execute 6 sec latency 16377.831 ms 1 356 0.00 MB/sec execute 7 sec latency 17378.092 ms 1 356 0.00 MB/sec execute 8 sec latency 18379.842 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 356 0.00 MB/sec execute 9 sec latency 19381.700 ms 1 356 0.00 MB/sec execute 10 sec latency 20381.903 ms 1 356 0.00 MB/sec execute 11 sec latency 21382.954 ms 1 356 0.00 MB/sec execute 12 sec latency 22383.271 ms 1 356 0.00 MB/sec execute 13 sec latency 23383.483 ms 1 356 0.00 MB/sec execute 14 sec latency 24383.718 ms 1 356 0.00 MB/sec execute 15 sec latency 25384.373 ms 1 356 0.00 MB/sec execute 16 sec latency 26384.616 ms 1 356 0.00 MB/sec execute 17 sec latency 27384.833 ms 1 356 0.00 MB/sec execute 18 sec latency 28385.444 ms 1 356 0.00 MB/sec execute 19 sec latency 29385.620 ms 1 356 0.00 MB/sec execute 20 sec latency 30385.902 ms 1 356 0.00 MB/sec execute 21 sec latency 31386.197 ms 1 356 0.00 MB/sec execute 22 sec latency 32386.916 ms 1 356 0.00 MB/sec execute 23 sec latency 33393.110 ms 1 356 0.00 MB/sec execute 24 sec latency 34393.361 ms oleg107-server: oleg107-server.virtnet: executing set_default_debug -1 all 1 356 0.00 MB/sec execute 25 sec latency 35396.770 ms pdsh@oleg107-client: oleg107-server: ssh exited with exit code 1 1 356 0.00 MB/sec execute 26 sec latency 36397.338 ms Started lustre-MDT0000 07:56:33 (1788868593) targets are mounted 07:56:33 (1788868593) facet_failover done 1 356 0.00 MB/sec execute 27 sec latency 37397.616 ms 1 356 0.00 MB/sec execute 28 sec latency 38400.089 ms 1 356 0.00 MB/sec execute 29 sec latency 39403.165 ms 1 356 0.00 MB/sec execute 30 sec latency 40403.365 ms 1 356 0.00 MB/sec execute 31 sec latency 41403.693 ms 1 356 0.00 MB/sec execute 32 sec latency 42412.052 ms 1 365 0.01 MB/sec execute 33 sec latency 42881.055 ms 1 398 0.04 MB/sec execute 34 sec latency 117.952 ms 1 429 0.07 MB/sec execute 35 sec latency 193.966 ms 1 469 0.10 MB/sec execute 36 sec latency 167.617 ms 1 504 0.13 MB/sec execute 37 sec latency 128.979 ms oleg107-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 578 0.18 MB/sec execute 38 sec latency 127.606 ms 1 639 0.21 MB/sec execute 39 sec latency 105.321 ms 1 664 0.21 MB/sec execute 40 sec latency 216.764 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 685 0.20 MB/sec execute 41 sec latency 326.586 ms 1 708 0.20 MB/sec execute 42 sec latency 164.958 ms 1 726 0.20 MB/sec execute 43 sec latency 242.971 ms 1 738 0.19 MB/sec execute 44 sec latency 159.146 ms 1 773 0.19 MB/sec execute 45 sec latency 172.220 ms 1 796 0.19 MB/sec execute 46 sec latency 169.472 ms 1 816 0.18 MB/sec execute 47 sec latency 165.961 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 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3667968 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7408640 1% /mnt/lustre 1 860 0.18 MB/sec execute 48 sec latency 162.887 ms 1 882 0.18 MB/sec execute 49 sec latency 213.743 ms 1 904 0.18 MB/sec execute 50 sec latency 151.190 ms 1 923 0.18 MB/sec execute 51 sec latency 224.522 ms 1 955 0.17 MB/sec execute 52 sec latency 106.133 ms 1 980 0.17 MB/sec execute 53 sec latency 353.294 ms test_26 fail mds1 2 times 1 1037 0.19 MB/sec execute 54 sec latency 354.358 ms 1 1076 0.18 MB/sec execute 55 sec latency 104.275 ms Failing mds1 on oleg107-server 1 1124 0.18 MB/sec execute 56 sec latency 98.646 ms 1 1147 0.18 MB/sec execute 57 sec latency 163.038 ms Stopping /mnt/lustre-mds1 (opts:) on oleg107-server 1 1181 0.18 MB/sec execute 58 sec latency 188.372 ms 1 1193 0.17 MB/sec execute 59 sec latency 509.730 ms 1 1193 0.17 MB/sec execute 60 sec latency 1512.898 ms 1 1193 0.17 MB/sec execute 61 sec latency 2513.122 ms 07:57:08 (1788868628) shut down 1 1193 0.17 MB/sec execute 62 sec latency 3514.721 ms facet: mds1 facet_host: oleg107-server facet_failover_host: oleg107-server 1 1193 0.16 MB/sec execute 63 sec latency 4516.747 ms 1 1193 0.16 MB/sec execute 64 sec latency 5517.133 ms 1 1193 0.16 MB/sec execute 65 sec latency 6517.660 ms 1 1193 0.16 MB/sec execute 66 sec latency 7517.965 ms 1 1193 0.15 MB/sec execute 67 sec latency 8518.229 ms 1 1193 0.15 MB/sec execute 68 sec latency 9519.236 ms 1 1193 0.15 MB/sec execute 69 sec latency 10519.916 ms 1 1193 0.15 MB/sec execute 70 sec latency 11520.496 ms 1 1193 0.14 MB/sec execute 71 sec latency 12520.776 ms 1 1193 0.14 MB/sec execute 72 sec latency 13521.367 ms Failover mds1 to oleg107-server mount facets: mds1 1 1193 0.14 MB/sec execute 73 sec latency 14521.581 ms 1 1193 0.14 MB/sec execute 74 sec latency 15522.182 ms 1 1193 0.14 MB/sec execute 75 sec latency 16522.606 ms 1 1193 0.13 MB/sec execute 76 sec latency 17524.379 ms 1 1193 0.13 MB/sec execute 77 sec latency 18526.295 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1193 0.13 MB/sec execute 78 sec latency 19527.154 ms 1 1193 0.13 MB/sec execute 79 sec latency 20528.586 ms 1 1193 0.13 MB/sec execute 80 sec latency 21531.547 ms 1 1193 0.13 MB/sec execute 81 sec latency 22531.912 ms 1 1193 0.12 MB/sec execute 82 sec latency 23535.988 ms 1 1193 0.12 MB/sec execute 83 sec latency 24536.483 ms 1 1193 0.12 MB/sec execute 84 sec latency 25536.983 ms 1 1193 0.12 MB/sec execute 85 sec latency 26537.407 ms 1 1193 0.12 MB/sec execute 86 sec latency 27537.801 ms 1 1193 0.12 MB/sec execute 87 sec latency 28539.825 ms 1 1193 0.12 MB/sec execute 88 sec latency 29540.283 ms 1 1193 0.12 MB/sec execute 89 sec latency 30540.585 ms 1 1193 0.11 MB/sec execute 90 sec latency 31541.984 ms 1 1193 0.11 MB/sec execute 91 sec latency 32542.375 ms oleg107-server: oleg107-server.virtnet: executing set_default_debug -1 all 1 1193 0.11 MB/sec execute 92 sec latency 33542.619 ms pdsh@oleg107-client: oleg107-server: ssh exited with exit code 1 1 1193 0.11 MB/sec execute 93 sec latency 34544.360 ms Started lustre-MDT0000 07:57:40 (1788868660) targets are mounted 07:57:40 (1788868660) facet_failover done 1 1193 0.11 MB/sec execute 94 sec latency 35544.624 ms 1 1193 0.11 MB/sec execute 95 sec latency 36544.796 ms 1 1193 0.11 MB/sec execute 96 sec latency 37545.022 ms 1 1193 0.11 MB/sec execute 97 sec latency 38545.723 ms 1 1193 0.10 MB/sec execute 98 sec latency 39545.977 ms 1 1205 0.10 MB/sec execute 99 sec latency 40214.351 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 127 87.354 343.166 Close 118 379.322 42881.025 Rename 10 122.541 188.349 Unlink 14 27.085 52.567 Qpathinfo 84 25.503 104.259 Qfileinfo 50 2.073 8.468 Qfsinfo 28 4.572 29.771 Sfileinfo 30 1413.596 40214.338 Find 37 10.295 105.307 WriteX 239 14.106 82.383 ReadX 128 5.702 95.242 Flush 24 158.651 354.344 Throughput 0.103553 MB/sec 1 clients 1 procs max_latency=42881.055 ms stopping dbench on /mnt/lustre at Tue Sep 8 07:57:49 EDT 2026 with return code 0 oleg107-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 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 07:57:55 EDT 2026 waiting for dbench pid 47242 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 34 1.05 MB/sec warmup 1 sec latency 95.392 ms 1 91 2.10 MB/sec warmup 2 sec latency 191.097 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 27648 3704832 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 18432 3722240 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7427072 1% /mnt/lustre 1 121 1.83 MB/sec warmup 3 sec latency 214.034 ms 1 148 1.56 MB/sec warmup 4 sec latency 217.611 ms 1 173 1.41 MB/sec warmup 5 sec latency 260.401 ms 1 197 1.30 MB/sec warmup 6 sec latency 295.657 ms 1 224 1.23 MB/sec warmup 7 sec latency 205.210 ms 1 255 1.20 MB/sec warmup 8 sec latency 165.467 ms 1 297 1.21 MB/sec warmup 9 sec latency 137.142 ms test_26 fail mds1 3 times 1 323 1.17 MB/sec warmup 10 sec latency 196.565 ms 1 357 1.16 MB/sec warmup 11 sec latency 161.744 ms Failing mds1 on oleg107-server 1 388 1.15 MB/sec warmup 12 sec latency 161.518 ms Stopping /mnt/lustre-mds1 (opts:) on oleg107-server 1 429 1.16 MB/sec warmup 13 sec latency 115.027 ms 1 453 1.13 MB/sec warmup 14 sec latency 498.138 ms 1 453 1.06 MB/sec warmup 15 sec latency 1498.349 ms 1 453 0.99 MB/sec warmup 16 sec latency 2498.678 ms 07:58:12 (1788868692) shut down facet: mds1 facet_host: oleg107-server facet_failover_host: oleg107-server 1 453 0.93 MB/sec warmup 17 sec latency 3499.753 ms 1 453 0.88 MB/sec warmup 18 sec latency 4503.867 ms 1 453 0.84 MB/sec warmup 19 sec latency 5506.133 ms 1 453 0.00 MB/sec execute 1 sec latency 7506.902 ms 1 453 0.00 MB/sec execute 2 sec latency 8507.161 ms 1 453 0.00 MB/sec execute 3 sec latency 9507.443 ms 1 453 0.00 MB/sec execute 4 sec latency 10507.713 ms 1 453 0.00 MB/sec execute 5 sec latency 11509.025 ms 1 453 0.00 MB/sec execute 6 sec latency 12509.292 ms Failover mds1 to oleg107-server 1 453 0.00 MB/sec execute 7 sec latency 13509.452 ms mount facets: mds1 1 453 0.00 MB/sec execute 8 sec latency 14509.660 ms 1 453 0.00 MB/sec execute 9 sec latency 15509.981 ms 1 453 0.00 MB/sec execute 10 sec latency 16512.341 ms 1 453 0.00 MB/sec execute 11 sec latency 17512.572 ms 1 453 0.00 MB/sec execute 12 sec latency 18512.889 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 453 0.00 MB/sec execute 13 sec latency 19514.714 ms 1 453 0.00 MB/sec execute 14 sec latency 20515.534 ms 1 453 0.00 MB/sec execute 15 sec latency 21520.042 ms 1 453 0.00 MB/sec execute 16 sec latency 22520.408 ms 1 453 0.00 MB/sec execute 17 sec latency 23520.638 ms 1 453 0.00 MB/sec execute 18 sec latency 24522.099 ms 1 453 0.00 MB/sec execute 19 sec latency 25524.184 ms oleg107-server: oleg107-server.virtnet: executing set_default_debug -1 all 1 453 0.00 MB/sec execute 20 sec latency 26526.614 ms 1 453 0.00 MB/sec execute 21 sec latency 27527.312 ms pdsh@oleg107-client: oleg107-server: ssh exited with exit code 1 1 453 0.00 MB/sec execute 22 sec latency 28527.603 ms Started lustre-MDT0000 07:58:38 (1788868718) targets are mounted 07:58:38 (1788868718) facet_failover done 1 453 0.00 MB/sec execute 23 sec latency 29527.912 ms 1 453 0.00 MB/sec execute 24 sec latency 30534.269 ms 1 453 0.00 MB/sec execute 25 sec latency 31534.521 ms 1 453 0.00 MB/sec execute 26 sec latency 32535.141 ms 1 453 0.00 MB/sec execute 27 sec latency 33537.335 ms 1 453 0.00 MB/sec execute 28 sec latency 34538.307 ms 1 453 0.00 MB/sec execute 29 sec latency 35538.542 ms 1 453 0.00 MB/sec execute 30 sec latency 36539.686 ms 1 453 0.00 MB/sec execute 31 sec latency 37541.891 ms 1 453 0.00 MB/sec execute 32 sec latency 38542.760 ms 1 453 0.00 MB/sec execute 33 sec latency 39543.007 ms 1 453 0.00 MB/sec execute 34 sec latency 40543.579 ms 1 453 0.00 MB/sec execute 35 sec latency 41545.914 ms 1 465 0.01 MB/sec execute 36 sec latency 41914.393 ms 1 504 0.04 MB/sec execute 37 sec latency 142.336 ms 1 552 0.08 MB/sec execute 38 sec latency 196.116 ms 1 639 0.13 MB/sec execute 39 sec latency 231.345 ms 1 664 0.13 MB/sec execute 40 sec latency 225.360 ms oleg107-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 686 0.13 MB/sec execute 41 sec latency 287.034 ms 1 710 0.13 MB/sec execute 42 sec latency 208.617 ms 1 721 0.13 MB/sec execute 43 sec latency 457.706 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 733 0.12 MB/sec execute 44 sec latency 577.443 ms 1 759 0.12 MB/sec execute 45 sec latency 175.143 ms 1 778 0.12 MB/sec execute 46 sec latency 168.810 ms 1 794 0.12 MB/sec execute 47 sec latency 242.279 ms 1 806 0.12 MB/sec execute 48 sec latency 199.576 ms 1 864 0.12 MB/sec execute 49 sec latency 120.401 ms 1 885 0.12 MB/sec execute 50 sec latency 421.658 ms 1 913 0.11 MB/sec execute 51 sec latency 152.770 ms 1 936 0.11 MB/sec execute 52 sec latency 282.705 ms 1 965 0.11 MB/sec execute 53 sec latency 135.436 ms 1 988 0.11 MB/sec execute 54 sec latency 209.924 ms 1 1067 0.13 MB/sec execute 55 sec latency 103.543 ms 1 1122 0.13 MB/sec execute 56 sec latency 84.809 ms 1 1147 0.12 MB/sec execute 57 sec latency 119.090 ms 1 1190 0.12 MB/sec execute 58 sec latency 127.494 ms 1 1214 0.12 MB/sec execute 59 sec latency 162.051 ms 1 1231 0.12 MB/sec execute 60 sec latency 176.260 ms 1 1263 0.12 MB/sec execute 61 sec latency 143.673 ms 1 1387 0.16 MB/sec execute 62 sec latency 108.107 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 07:59:18 EDT 2026 with return code 0 47242 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47242 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished