== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:56:09 (1789520169) Starting client oleg359-client.virtnet: -o user_xattr,flock 192.168.203.159@tcp:/lustre /mnt/lustre Started clients oleg359-client.virtnet: 192.168.203.159@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 45179 Started dbench loop with 45180 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 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7494656 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 15 20:56:14 EDT 2026 waiting for dbench pid 45249 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 23 0.59 MB/sec warmup 1 sec latency 22.303 ms 1 67 1.47 MB/sec warmup 2 sec latency 166.611 ms 1 113 1.74 MB/sec warmup 3 sec latency 210.029 ms 1 147 1.57 MB/sec warmup 4 sec latency 125.904 ms test_26 fail mds1 1 times 1 182 1.46 MB/sec warmup 5 sec latency 138.002 ms 1 208 1.34 MB/sec warmup 6 sec latency 176.435 ms Failing mds1 on oleg359-server 1 239 1.30 MB/sec warmup 7 sec latency 187.981 ms Stopping /mnt/lustre-mds1 (opts:) on oleg359-server 1 278 1.30 MB/sec warmup 8 sec latency 133.411 ms 1 304 1.24 MB/sec warmup 9 sec latency 282.106 ms 1 304 1.12 MB/sec warmup 10 sec latency 1284.541 ms 1 304 1.02 MB/sec warmup 11 sec latency 2284.853 ms 20:56:26 (1789520186) shut down facet: mds1 facet_host: oleg359-server facet_failover_host: oleg359-server 1 304 0.93 MB/sec warmup 12 sec latency 3285.184 ms 1 304 0.86 MB/sec warmup 13 sec latency 4290.612 ms 1 304 0.80 MB/sec warmup 14 sec latency 5290.872 ms 1 304 0.75 MB/sec warmup 15 sec latency 6291.209 ms 1 304 0.70 MB/sec warmup 16 sec latency 7295.038 ms 1 304 0.66 MB/sec warmup 17 sec latency 8295.317 ms 1 304 0.62 MB/sec warmup 18 sec latency 9295.648 ms 1 304 0.59 MB/sec warmup 19 sec latency 10296.753 ms 1 304 0.00 MB/sec execute 1 sec latency 12300.405 ms Failover mds1 to oleg359-server 1 304 0.00 MB/sec execute 2 sec latency 13300.654 ms mount facets: mds1 1 304 0.00 MB/sec execute 3 sec latency 14301.011 ms 1 304 0.00 MB/sec execute 4 sec latency 15301.327 ms 1 304 0.00 MB/sec execute 5 sec latency 16301.591 ms 1 304 0.00 MB/sec execute 6 sec latency 17301.892 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 7 sec latency 18302.934 ms 1 304 0.00 MB/sec execute 8 sec latency 19303.282 ms 1 304 0.00 MB/sec execute 9 sec latency 20303.544 ms 1 304 0.00 MB/sec execute 10 sec latency 21308.346 ms 1 304 0.00 MB/sec execute 11 sec latency 22309.091 ms 1 304 0.00 MB/sec execute 12 sec latency 23309.648 ms 1 304 0.00 MB/sec execute 13 sec latency 24310.402 ms 1 304 0.00 MB/sec execute 14 sec latency 25311.833 ms 1 304 0.00 MB/sec execute 15 sec latency 26312.361 ms 1 304 0.00 MB/sec execute 16 sec latency 27313.078 ms 1 304 0.00 MB/sec execute 17 sec latency 28313.388 ms 1 304 0.00 MB/sec execute 18 sec latency 29313.568 ms 1 304 0.00 MB/sec execute 19 sec latency 30314.395 ms 1 304 0.00 MB/sec execute 20 sec latency 31315.964 ms 1 304 0.00 MB/sec execute 21 sec latency 32318.002 ms 1 304 0.00 MB/sec execute 22 sec latency 33320.431 ms oleg359-server: oleg359-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 23 sec latency 34320.690 ms 1 304 0.00 MB/sec execute 24 sec latency 35321.072 ms pdsh@oleg359-client: oleg359-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 25 sec latency 36321.576 ms Started lustre-MDT0000 20:57:00 (1789520220) targets are mounted 20:57:00 (1789520220) facet_failover done 1 304 0.00 MB/sec execute 26 sec latency 37322.617 ms 1 304 0.00 MB/sec execute 27 sec latency 38322.801 ms 1 304 0.00 MB/sec execute 28 sec latency 39322.950 ms 1 304 0.00 MB/sec execute 29 sec latency 40323.150 ms 1 323 0.02 MB/sec execute 30 sec latency 40449.941 ms 1 349 0.04 MB/sec execute 31 sec latency 167.687 ms 1 374 0.06 MB/sec execute 32 sec latency 183.872 ms 1 405 0.09 MB/sec execute 33 sec latency 189.196 ms 1 437 0.12 MB/sec execute 34 sec latency 165.766 ms 1 469 0.15 MB/sec execute 35 sec latency 186.861 ms oleg359-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 493 0.17 MB/sec execute 36 sec latency 165.394 ms 1 513 0.18 MB/sec execute 37 sec latency 210.479 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 543 0.21 MB/sec execute 38 sec latency 154.360 ms 1 611 0.25 MB/sec execute 39 sec latency 115.990 ms 1 644 0.25 MB/sec execute 40 sec latency 170.529 ms 1 671 0.24 MB/sec execute 41 sec latency 223.463 ms 1 695 0.24 MB/sec execute 42 sec latency 154.992 ms 1 721 0.23 MB/sec execute 43 sec latency 131.443 ms 1 765 0.23 MB/sec execute 44 sec latency 165.001 ms 1 796 0.23 MB/sec execute 45 sec latency 167.069 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3742720 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3658752 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7401472 1% /mnt/lustre 1 821 0.22 MB/sec execute 46 sec latency 139.008 ms 1 873 0.22 MB/sec execute 47 sec latency 109.302 ms 1 903 0.22 MB/sec execute 48 sec latency 220.992 ms 1 926 0.22 MB/sec execute 49 sec latency 222.924 ms 1 977 0.21 MB/sec execute 50 sec latency 83.021 ms test_26 fail mds1 2 times 1 1041 0.23 MB/sec execute 51 sec latency 183.990 ms 1 1086 0.22 MB/sec execute 52 sec latency 76.752 ms Failing mds1 on oleg359-server 1 1139 0.22 MB/sec execute 53 sec latency 80.382 ms Stopping /mnt/lustre-mds1 (opts:) on oleg359-server 1 1177 0.22 MB/sec execute 54 sec latency 121.784 ms 1 1198 0.21 MB/sec execute 55 sec latency 464.055 ms 1 1198 0.21 MB/sec execute 56 sec latency 1472.556 ms 1 1198 0.21 MB/sec execute 57 sec latency 2472.860 ms 1 1198 0.20 MB/sec execute 58 sec latency 3473.604 ms 1 1198 0.20 MB/sec execute 59 sec latency 4475.268 ms 1 1198 0.20 MB/sec execute 60 sec latency 5475.540 ms 1 1198 0.19 MB/sec execute 61 sec latency 6476.883 ms 1 1198 0.19 MB/sec execute 62 sec latency 7477.859 ms 1 1198 0.19 MB/sec execute 63 sec latency 8478.147 ms 20:57:38 (1789520258) shut down facet: mds1 facet_host: oleg359-server facet_failover_host: oleg359-server 1 1198 0.18 MB/sec execute 64 sec latency 9479.191 ms 1 1198 0.18 MB/sec execute 65 sec latency 10479.461 ms 1 1198 0.18 MB/sec execute 66 sec latency 11483.893 ms 1 1198 0.18 MB/sec execute 67 sec latency 12484.223 ms 1 1198 0.17 MB/sec execute 68 sec latency 13484.816 ms 1 1198 0.17 MB/sec execute 69 sec latency 14485.025 ms 1 1198 0.17 MB/sec execute 70 sec latency 15485.266 ms 1 1198 0.17 MB/sec execute 71 sec latency 16485.528 ms 1 1198 0.16 MB/sec execute 72 sec latency 17485.711 ms 1 1198 0.16 MB/sec execute 73 sec latency 18485.884 ms 1 1198 0.16 MB/sec execute 74 sec latency 19494.805 ms Failover mds1 to oleg359-server mount facets: mds1 1 1198 0.16 MB/sec execute 75 sec latency 20495.049 ms 1 1198 0.16 MB/sec execute 76 sec latency 21498.054 ms 1 1198 0.15 MB/sec execute 77 sec latency 22498.507 ms 1 1198 0.15 MB/sec execute 78 sec latency 23499.097 ms 1 1198 0.15 MB/sec execute 79 sec latency 24500.251 ms 1 1198 0.15 MB/sec execute 80 sec latency 25500.843 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1198 0.15 MB/sec execute 81 sec latency 26501.711 ms 1 1198 0.14 MB/sec execute 82 sec latency 27502.062 ms 1 1198 0.14 MB/sec execute 83 sec latency 28502.923 ms 1 1198 0.14 MB/sec execute 84 sec latency 29503.262 ms 1 1198 0.14 MB/sec execute 85 sec latency 30503.589 ms 1 1198 0.14 MB/sec execute 86 sec latency 31505.643 ms 1 1198 0.14 MB/sec execute 87 sec latency 32505.856 ms 1 1198 0.13 MB/sec execute 88 sec latency 33506.095 ms 1 1198 0.13 MB/sec execute 89 sec latency 34506.294 ms 1 1198 0.13 MB/sec execute 90 sec latency 35506.496 ms 1 1198 0.13 MB/sec execute 91 sec latency 36507.822 ms 1 1198 0.13 MB/sec execute 92 sec latency 37510.265 ms 1 1198 0.13 MB/sec execute 93 sec latency 38511.003 ms 1 1198 0.13 MB/sec execute 94 sec latency 39512.683 ms 1 1198 0.12 MB/sec execute 95 sec latency 40514.051 ms oleg359-server: oleg359-server.virtnet: executing set_default_debug -1 all 1 1198 0.12 MB/sec execute 96 sec latency 41515.257 ms 1 1198 0.12 MB/sec execute 97 sec latency 42516.002 ms pdsh@oleg359-client: oleg359-server: ssh exited with exit code 1 1 1198 0.12 MB/sec execute 98 sec latency 43516.866 ms Started lustre-MDT0000 20:58:13 (1789520293) targets are mounted 20:58:13 (1789520293) facet_failover done 1 1198 0.12 MB/sec execute 99 sec latency 44517.686 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 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 0 cleanup 115 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 127 532.886 56563.411 Close 117 359.352 40449.910 Rename 7 88.972 121.750 Unlink 13 28.033 63.414 Qpathinfo 72 24.020 115.962 Qfileinfo 55 3.025 31.879 Qfsinfo 28 5.752 56.502 Sfileinfo 27 59.132 114.299 Find 36 8.952 104.998 WriteX 266 16.884 84.425 ReadX 123 4.418 90.736 Flush 24 111.881 223.441 Throughput 0.119295 MB/sec 1 clients 1 procs max_latency=44517.686 ms stopping dbench on /mnt/lustre at Tue Sep 15 20:58:29 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg359-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 Tue Sep 15 20:58:35 EDT 2026 waiting for dbench pid 47196 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 1.04 MB/sec warmup 1 sec latency 63.266 ms 1 99 2.25 MB/sec warmup 2 sec latency 133.775 ms 1 136 2.00 MB/sec warmup 3 sec latency 178.987 ms 1 157 1.63 MB/sec warmup 4 sec latency 213.919 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 3718144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 25600 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7448576 1% /mnt/lustre 1 189 1.51 MB/sec warmup 5 sec latency 192.575 ms 1 222 1.43 MB/sec warmup 6 sec latency 145.172 ms 1 267 1.42 MB/sec warmup 7 sec latency 103.434 ms 1 304 1.40 MB/sec warmup 8 sec latency 149.073 ms 1 339 1.36 MB/sec warmup 9 sec latency 152.445 ms test_26 fail mds1 3 times 1 374 1.33 MB/sec warmup 10 sec latency 115.349 ms 1 405 1.30 MB/sec warmup 11 sec latency 134.284 ms Failing mds1 on oleg359-server 1 437 1.28 MB/sec warmup 12 sec latency 139.985 ms Stopping /mnt/lustre-mds1 (opts:) on oleg359-server 1 477 1.28 MB/sec warmup 13 sec latency 122.053 ms 1 503 1.24 MB/sec warmup 14 sec latency 375.082 ms 1 503 1.16 MB/sec warmup 15 sec latency 1375.388 ms 1 503 1.09 MB/sec warmup 16 sec latency 2375.619 ms 20:58:51 (1789520331) shut down facet: mds1 facet_host: oleg359-server facet_failover_host: oleg359-server 1 503 1.03 MB/sec warmup 17 sec latency 3379.327 ms 1 503 0.97 MB/sec warmup 18 sec latency 4379.600 ms 1 503 0.92 MB/sec warmup 19 sec latency 5380.353 ms 1 503 0.00 MB/sec execute 1 sec latency 7382.386 ms 1 503 0.00 MB/sec execute 2 sec latency 8382.851 ms 1 503 0.00 MB/sec execute 3 sec latency 9385.482 ms 1 503 0.00 MB/sec execute 4 sec latency 10385.839 ms 1 503 0.00 MB/sec execute 5 sec latency 11387.283 ms 1 503 0.00 MB/sec execute 6 sec latency 12387.799 ms Failover mds1 to oleg359-server mount facets: mds1 1 503 0.00 MB/sec execute 7 sec latency 13388.021 ms 1 503 0.00 MB/sec execute 8 sec latency 14388.341 ms 1 503 0.00 MB/sec execute 9 sec latency 15388.536 ms 1 503 0.00 MB/sec execute 10 sec latency 16388.794 ms 1 503 0.00 MB/sec execute 11 sec latency 17390.852 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 503 0.00 MB/sec execute 12 sec latency 18393.513 ms 1 503 0.00 MB/sec execute 13 sec latency 19393.812 ms 1 503 0.00 MB/sec execute 14 sec latency 20394.800 ms 1 503 0.00 MB/sec execute 15 sec latency 21395.179 ms 1 503 0.00 MB/sec execute 16 sec latency 22395.422 ms 1 503 0.00 MB/sec execute 17 sec latency 23395.700 ms 1 503 0.00 MB/sec execute 18 sec latency 24396.016 ms 1 503 0.00 MB/sec execute 19 sec latency 25396.267 ms 1 503 0.00 MB/sec execute 20 sec latency 26396.489 ms 1 503 0.00 MB/sec execute 21 sec latency 27396.762 ms 1 503 0.00 MB/sec execute 22 sec latency 28398.179 ms 1 503 0.00 MB/sec execute 23 sec latency 29398.497 ms 1 503 0.00 MB/sec execute 24 sec latency 30399.836 ms 1 503 0.00 MB/sec execute 25 sec latency 31400.037 ms oleg359-server: oleg359-server.virtnet: executing set_default_debug -1 all 1 503 0.00 MB/sec execute 26 sec latency 32400.221 ms pdsh@oleg359-client: oleg359-server: ssh exited with exit code 1 1 503 0.00 MB/sec execute 27 sec latency 33400.393 ms Started lustre-MDT0000 20:59:23 (1789520363) targets are mounted 20:59:23 (1789520363) facet_failover done 1 503 0.00 MB/sec execute 28 sec latency 34404.301 ms 1 503 0.00 MB/sec execute 29 sec latency 35405.136 ms 1 503 0.00 MB/sec execute 30 sec latency 36405.558 ms 1 503 0.00 MB/sec execute 31 sec latency 37405.771 ms 1 503 0.00 MB/sec execute 32 sec latency 38406.021 ms 1 503 0.00 MB/sec execute 33 sec latency 39406.357 ms 1 503 0.00 MB/sec execute 34 sec latency 40406.562 ms 1 503 0.00 MB/sec execute 35 sec latency 41407.636 ms 1 522 0.02 MB/sec execute 36 sec latency 41929.110 ms 1 608 0.09 MB/sec execute 37 sec latency 142.450 ms 1 664 0.10 MB/sec execute 38 sec latency 115.522 ms 1 692 0.10 MB/sec execute 39 sec latency 229.005 ms oleg359-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.10 MB/sec execute 40 sec latency 143.337 ms 1 741 0.09 MB/sec execute 41 sec latency 183.692 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 779 0.09 MB/sec execute 42 sec latency 109.003 ms 1 804 0.09 MB/sec execute 43 sec latency 213.206 ms 1 862 0.09 MB/sec execute 44 sec latency 130.709 ms 1 888 0.09 MB/sec execute 45 sec latency 216.719 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 913 0.09 MB/sec execute 46 sec latency 196.031 ms 1 952 0.09 MB/sec execute 47 sec latency 269.355 ms 1 982 0.09 MB/sec execute 48 sec latency 212.965 ms 1 1050 0.11 MB/sec execute 49 sec latency 98.520 ms 1 1118 0.11 MB/sec execute 50 sec latency 86.875 ms 1 1160 0.11 MB/sec execute 51 sec latency 74.047 ms 1 1202 0.11 MB/sec execute 52 sec latency 81.052 ms 1 1249 0.11 MB/sec execute 53 sec latency 133.424 ms 1 1281 0.10 MB/sec execute 54 sec latency 150.941 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 20:59:50 EDT 2026 with return code 0 1 1405 0.16 MB/sec execute 55 sec latency 106.162 ms 47196 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47196 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished