== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:19:45 (1786735185) Starting client oleg653-client.virtnet: -o user_xattr,flock 192.168.206.153@tcp:/lustre /mnt/lustre Started clients oleg653-client.virtnet: 192.168.206.153@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 44952 Started dbench loop with 44954 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 3746816 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7512064 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 Aug 14 15:19:54 EDT 2026 waiting for dbench pid 45032 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 0 12 0.00 MB/sec warmup 1 sec latency 36.012 ms 1 52 1.05 MB/sec warmup 2 sec latency 197.880 ms 1 102 1.57 MB/sec warmup 3 sec latency 148.563 ms 1 137 1.50 MB/sec warmup 4 sec latency 179.185 ms 1 165 1.36 MB/sec warmup 5 sec latency 139.389 ms test_26 fail mds1 1 times 1 186 1.24 MB/sec warmup 6 sec latency 182.293 ms 1 207 1.15 MB/sec warmup 7 sec latency 161.307 ms Failing mds1 on oleg653-server 1 239 1.14 MB/sec warmup 8 sec latency 193.502 ms Stopping /mnt/lustre-mds1 (opts:) on oleg653-server 1 274 1.13 MB/sec warmup 9 sec latency 100.115 ms 1 303 1.11 MB/sec warmup 10 sec latency 177.355 ms 1 304 1.02 MB/sec warmup 11 sec latency 999.840 ms 1 304 0.93 MB/sec warmup 12 sec latency 2000.010 ms 15:20:07 (1786735207) shut down 1 304 0.86 MB/sec warmup 13 sec latency 3000.161 ms facet: mds1 facet_host: oleg653-server facet_failover_host: oleg653-server 1 304 0.80 MB/sec warmup 14 sec latency 4000.358 ms 1 304 0.75 MB/sec warmup 15 sec latency 5001.344 ms 1 304 0.70 MB/sec warmup 16 sec latency 6001.620 ms 1 304 0.66 MB/sec warmup 17 sec latency 7001.910 ms 1 304 0.62 MB/sec warmup 18 sec latency 8002.188 ms 1 304 0.59 MB/sec warmup 19 sec latency 9002.914 ms 1 304 0.00 MB/sec execute 1 sec latency 11004.645 ms 1 304 0.00 MB/sec execute 2 sec latency 12005.165 ms 1 304 0.00 MB/sec execute 3 sec latency 13005.745 ms Failover mds1 to oleg653-server mount facets: mds1 1 304 0.00 MB/sec execute 4 sec latency 14006.132 ms 1 304 0.00 MB/sec execute 5 sec latency 15006.571 ms 1 304 0.00 MB/sec execute 6 sec latency 16006.767 ms 1 304 0.00 MB/sec execute 7 sec latency 17007.574 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 8 sec latency 18009.941 ms 1 304 0.00 MB/sec execute 9 sec latency 19010.171 ms 1 304 0.00 MB/sec execute 10 sec latency 20010.621 ms 1 304 0.00 MB/sec execute 11 sec latency 21010.937 ms 1 304 0.00 MB/sec execute 12 sec latency 22011.181 ms 1 304 0.00 MB/sec execute 13 sec latency 23011.448 ms 1 304 0.00 MB/sec execute 14 sec latency 24012.483 ms 1 304 0.00 MB/sec execute 15 sec latency 25012.722 ms 1 304 0.00 MB/sec execute 16 sec latency 26012.975 ms 1 304 0.00 MB/sec execute 17 sec latency 27013.282 ms 1 304 0.00 MB/sec execute 18 sec latency 28013.656 ms 1 304 0.00 MB/sec execute 19 sec latency 29014.198 ms 1 304 0.00 MB/sec execute 20 sec latency 30014.827 ms 1 304 0.00 MB/sec execute 21 sec latency 31015.144 ms 1 304 0.00 MB/sec execute 22 sec latency 32015.378 ms oleg653-server: oleg653-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 23 sec latency 33015.701 ms pdsh@oleg653-client: oleg653-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 24 sec latency 34015.844 ms 1 304 0.00 MB/sec execute 25 sec latency 35016.158 ms Started lustre-MDT0000 15:20:39 (1786735239) targets are mounted 15:20:39 (1786735239) facet_failover done 1 304 0.00 MB/sec execute 26 sec latency 36016.412 ms 1 304 0.00 MB/sec execute 27 sec latency 37016.564 ms 1 304 0.00 MB/sec execute 28 sec latency 38017.653 ms 1 304 0.00 MB/sec execute 29 sec latency 39024.105 ms 1 304 0.00 MB/sec execute 30 sec latency 40030.670 ms 1 304 0.00 MB/sec execute 31 sec latency 41030.926 ms 1 304 0.00 MB/sec execute 32 sec latency 42031.136 ms 1 305 0.00 MB/sec execute 33 sec latency 42957.377 ms 1 323 0.02 MB/sec execute 34 sec latency 422.502 ms 1 350 0.04 MB/sec execute 35 sec latency 151.075 ms 1 381 0.06 MB/sec execute 36 sec latency 142.915 ms 1 406 0.08 MB/sec execute 37 sec latency 228.944 ms 1 437 0.11 MB/sec execute 38 sec latency 152.158 ms 1 469 0.13 MB/sec execute 39 sec latency 135.184 ms oleg653-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.16 MB/sec execute 40 sec latency 124.476 ms 1 540 0.19 MB/sec execute 41 sec latency 207.311 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 616 0.23 MB/sec execute 42 sec latency 110.232 ms 1 661 0.23 MB/sec execute 43 sec latency 124.920 ms 1 676 0.23 MB/sec execute 44 sec latency 281.543 ms 1 710 0.22 MB/sec execute 45 sec latency 134.555 ms 1 726 0.22 MB/sec execute 46 sec latency 339.978 ms 1 759 0.22 MB/sec execute 47 sec latency 131.061 ms 1 786 0.21 MB/sec execute 48 sec latency 143.335 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 3715072 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3691520 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7406592 1% /mnt/lustre 1 802 0.21 MB/sec execute 49 sec latency 299.192 ms 1 848 0.21 MB/sec execute 50 sec latency 126.637 ms 1 873 0.20 MB/sec execute 51 sec latency 259.808 ms 1 900 0.20 MB/sec execute 52 sec latency 289.955 ms 1 916 0.20 MB/sec execute 53 sec latency 348.121 ms 1 955 0.20 MB/sec execute 54 sec latency 202.517 ms 1 983 0.19 MB/sec execute 55 sec latency 200.529 ms test_26 fail mds1 2 times 1 1031 0.21 MB/sec execute 56 sec latency 196.371 ms 1 1072 0.20 MB/sec execute 57 sec latency 94.415 ms Failing mds1 on oleg653-server 1 1119 0.20 MB/sec execute 58 sec latency 101.200 ms Stopping /mnt/lustre-mds1 (opts:) on oleg653-server 1 1147 0.20 MB/sec execute 59 sec latency 133.493 ms 1 1185 0.20 MB/sec execute 60 sec latency 111.403 ms 1 1188 0.19 MB/sec execute 61 sec latency 985.385 ms 1 1188 0.19 MB/sec execute 62 sec latency 1985.673 ms 15:21:17 (1786735277) shut down 1 1188 0.19 MB/sec execute 63 sec latency 2988.653 ms facet: mds1 facet_host: oleg653-server facet_failover_host: oleg653-server 1 1188 0.18 MB/sec execute 64 sec latency 3990.320 ms 1 1188 0.18 MB/sec execute 65 sec latency 4990.829 ms 1 1188 0.18 MB/sec execute 66 sec latency 5991.430 ms 1 1188 0.18 MB/sec execute 67 sec latency 6991.619 ms 1 1188 0.17 MB/sec execute 68 sec latency 7994.311 ms 1 1188 0.17 MB/sec execute 69 sec latency 8996.958 ms 1 1188 0.17 MB/sec execute 70 sec latency 9998.234 ms 1 1188 0.17 MB/sec execute 71 sec latency 10998.544 ms 1 1188 0.16 MB/sec execute 72 sec latency 11998.748 ms 1 1188 0.16 MB/sec execute 73 sec latency 12999.255 ms Failover mds1 to oleg653-server mount facets: mds1 1 1188 0.16 MB/sec execute 74 sec latency 14001.143 ms 1 1188 0.16 MB/sec execute 75 sec latency 15001.675 ms 1 1188 0.16 MB/sec execute 76 sec latency 16001.851 ms 1 1188 0.15 MB/sec execute 77 sec latency 17004.840 ms 1 1188 0.15 MB/sec execute 78 sec latency 18005.876 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.15 MB/sec execute 79 sec latency 19006.197 ms 1 1188 0.15 MB/sec execute 80 sec latency 20008.200 ms 1 1188 0.15 MB/sec execute 81 sec latency 21008.538 ms 1 1188 0.14 MB/sec execute 82 sec latency 22009.733 ms 1 1188 0.14 MB/sec execute 83 sec latency 23010.146 ms 1 1188 0.14 MB/sec execute 84 sec latency 24010.351 ms 1 1188 0.14 MB/sec execute 85 sec latency 25010.614 ms 1 1188 0.14 MB/sec execute 86 sec latency 26011.890 ms 1 1188 0.14 MB/sec execute 87 sec latency 27014.268 ms 1 1188 0.13 MB/sec execute 88 sec latency 28016.352 ms 1 1188 0.13 MB/sec execute 89 sec latency 29017.185 ms 1 1188 0.13 MB/sec execute 90 sec latency 30018.720 ms 1 1188 0.13 MB/sec execute 91 sec latency 31019.814 ms 1 1188 0.13 MB/sec execute 92 sec latency 32020.186 ms 1 1188 0.13 MB/sec execute 93 sec latency 33021.138 ms 1 1188 0.13 MB/sec execute 94 sec latency 34027.539 ms 1 1188 0.12 MB/sec execute 95 sec latency 35031.437 ms oleg653-server: oleg653-server.virtnet: executing set_default_debug -1 all 1 1188 0.12 MB/sec execute 96 sec latency 36031.798 ms pdsh@oleg653-client: oleg653-server: ssh exited with exit code 1 1 1188 0.12 MB/sec execute 97 sec latency 37034.737 ms Started lustre-MDT0000 1 1188 0.12 MB/sec execute 98 sec latency 38038.003 ms 15:21:52 (1786735312) targets are mounted 15:21:52 (1786735312) facet_failover done 1 1188 0.12 MB/sec execute 99 sec latency 39038.342 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 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 125 88.801 422.483 Close 116 762.316 43624.919 Rename 7 105.318 143.313 Unlink 13 34.852 49.006 Qpathinfo 69 26.349 107.618 Qfileinfo 55 2.314 8.921 Qfsinfo 28 3.609 37.235 Sfileinfo 25 73.902 133.470 Find 36 8.239 67.528 WriteX 265 16.313 145.917 ReadX 122 4.809 85.959 Flush 24 161.117 348.099 Throughput 0.119187 MB/sec 1 clients 1 procs max_latency=42957.377 ms stopping dbench on /mnt/lustre at Fri Aug 14 15:22:02 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg653-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 Aug 14 15:22:09 EDT 2026 waiting for dbench pid 46985 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 36 1.18 MB/sec warmup 1 sec latency 135.228 ms 1 91 2.10 MB/sec warmup 2 sec latency 116.316 ms 1 122 1.83 MB/sec warmup 3 sec latency 180.923 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3748864 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3683328 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 43008 7432192 1% /mnt/lustre 1 149 1.57 MB/sec warmup 4 sec latency 173.152 ms 1 181 1.46 MB/sec warmup 5 sec latency 142.102 ms 1 207 1.35 MB/sec warmup 6 sec latency 182.111 ms 1 247 1.34 MB/sec warmup 7 sec latency 108.182 ms 1 287 1.34 MB/sec warmup 8 sec latency 128.665 ms 1 316 1.27 MB/sec warmup 9 sec latency 170.327 ms test_26 fail mds1 3 times 1 349 1.25 MB/sec warmup 10 sec latency 127.484 ms 1 381 1.23 MB/sec warmup 11 sec latency 147.006 ms Failing mds1 on oleg653-server 1 419 1.23 MB/sec warmup 12 sec latency 173.944 ms Stopping /mnt/lustre-mds1 (opts:) on oleg653-server 1 453 1.22 MB/sec warmup 13 sec latency 135.697 ms 1 484 1.21 MB/sec warmup 14 sec latency 302.522 ms 1 484 1.13 MB/sec warmup 15 sec latency 1302.789 ms 1 484 1.06 MB/sec warmup 16 sec latency 2303.990 ms 15:22:26 (1786735346) shut down facet: mds1 facet_host: oleg653-server facet_failover_host: oleg653-server 1 484 1.00 MB/sec warmup 17 sec latency 3308.475 ms 1 484 0.94 MB/sec warmup 18 sec latency 4308.856 ms 1 484 0.89 MB/sec warmup 19 sec latency 5309.077 ms 1 484 0.00 MB/sec execute 1 sec latency 7309.580 ms 1 484 0.00 MB/sec execute 2 sec latency 8309.811 ms 1 484 0.00 MB/sec execute 3 sec latency 9310.918 ms 1 484 0.00 MB/sec execute 4 sec latency 10312.740 ms 1 484 0.00 MB/sec execute 5 sec latency 11313.186 ms 1 484 0.00 MB/sec execute 6 sec latency 12314.597 ms Failover mds1 to oleg653-server 1 484 0.00 MB/sec execute 7 sec latency 13316.975 ms mount facets: mds1 1 484 0.00 MB/sec execute 8 sec latency 14317.488 ms 1 484 0.00 MB/sec execute 9 sec latency 15321.383 ms 1 484 0.00 MB/sec execute 10 sec latency 16321.655 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 484 0.00 MB/sec execute 11 sec latency 17322.189 ms 1 484 0.00 MB/sec execute 12 sec latency 18324.255 ms 1 484 0.00 MB/sec execute 13 sec latency 19324.912 ms 1 484 0.00 MB/sec execute 14 sec latency 20325.089 ms 1 484 0.00 MB/sec execute 15 sec latency 21325.283 ms 1 484 0.00 MB/sec execute 16 sec latency 22327.460 ms 1 484 0.00 MB/sec execute 17 sec latency 23327.771 ms oleg653-server: oleg653-server.virtnet: executing set_default_debug -1 all 1 484 0.00 MB/sec execute 18 sec latency 24331.051 ms pdsh@oleg653-client: oleg653-server: ssh exited with exit code 1 1 484 0.00 MB/sec execute 19 sec latency 25331.569 ms Started lustre-MDT0000 15:22:49 (1786735369) targets are mounted 15:22:49 (1786735369) facet_failover done 1 484 0.00 MB/sec execute 20 sec latency 26332.358 ms 1 484 0.00 MB/sec execute 21 sec latency 27332.577 ms 1 484 0.00 MB/sec execute 22 sec latency 28332.770 ms 1 484 0.00 MB/sec execute 23 sec latency 29332.971 ms 1 484 0.00 MB/sec execute 24 sec latency 30333.483 ms 1 484 0.00 MB/sec execute 25 sec latency 31335.857 ms 1 484 0.00 MB/sec execute 26 sec latency 32336.095 ms 1 484 0.00 MB/sec execute 27 sec latency 33337.130 ms 1 484 0.00 MB/sec execute 28 sec latency 34337.385 ms 1 484 0.00 MB/sec execute 29 sec latency 35339.736 ms 1 484 0.00 MB/sec execute 30 sec latency 36339.981 ms 1 484 0.00 MB/sec execute 31 sec latency 37344.127 ms 1 484 0.00 MB/sec execute 32 sec latency 38344.379 ms 1 484 0.00 MB/sec execute 33 sec latency 39350.875 ms 1 511 0.02 MB/sec execute 34 sec latency 39413.037 ms 1 586 0.09 MB/sec execute 35 sec latency 124.044 ms 1 644 0.11 MB/sec execute 36 sec latency 152.016 ms 1 673 0.11 MB/sec execute 37 sec latency 244.873 ms 1 705 0.11 MB/sec execute 38 sec latency 148.712 ms oleg653-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 736 0.11 MB/sec execute 39 sec latency 146.365 ms 1 778 0.11 MB/sec execute 40 sec latency 124.899 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 796 0.11 MB/sec execute 41 sec latency 319.411 ms 1 815 0.11 MB/sec execute 42 sec latency 139.870 ms 1 873 0.11 MB/sec execute 43 sec latency 118.074 ms 1 892 0.11 MB/sec execute 44 sec latency 261.082 ms 1 914 0.11 MB/sec execute 45 sec latency 208.228 ms 1 949 0.11 MB/sec execute 46 sec latency 172.577 ms 1 980 0.11 MB/sec execute 47 sec latency 133.335 ms 1 1029 0.12 MB/sec execute 48 sec latency 235.375 ms 1 1077 0.12 MB/sec execute 49 sec latency 103.863 ms 1 1138 0.12 MB/sec execute 50 sec latency 98.458 ms 1 1180 0.12 MB/sec execute 51 sec latency 108.008 ms 1 1221 0.12 MB/sec execute 52 sec latency 94.038 ms 1 1233 0.12 MB/sec execute 53 sec latency 327.884 ms 1 1263 0.11 MB/sec execute 54 sec latency 172.042 ms 1 1393 0.16 MB/sec execute 55 sec latency 97.731 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 15:23:26 EDT 2026 with return code 0 1 1433 0.16 MB/sec execute 56 sec latency 105.428 ms 46985 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46985 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished