== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:21:14 (1788794474) Starting client oleg148-client.virtnet: -o user_xattr,flock 192.168.201.148@tcp:/lustre /mnt/lustre Started clients oleg148-client.virtnet: 192.168.201.148@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 45163 Started dbench loop with 45164 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 14336 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7504896 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 Mon Sep 7 11:21:22 EDT 2026 waiting for dbench pid 45235 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 22 0.52 MB/sec warmup 1 sec latency 181.607 ms 1 86 1.96 MB/sec warmup 2 sec latency 140.964 ms 1 121 1.83 MB/sec warmup 3 sec latency 224.201 ms 1 152 1.60 MB/sec warmup 4 sec latency 199.475 ms test_26 fail mds1 1 times 1 184 1.47 MB/sec warmup 5 sec latency 138.291 ms 1 211 1.36 MB/sec warmup 6 sec latency 165.419 ms Failing mds1 on oleg148-server 1 236 1.28 MB/sec warmup 7 sec latency 169.959 ms Stopping /mnt/lustre-mds1 (opts:) on oleg148-server 1 263 1.24 MB/sec warmup 8 sec latency 167.737 ms 1 287 1.18 MB/sec warmup 9 sec latency 153.231 ms 1 289 1.07 MB/sec warmup 10 sec latency 896.443 ms 1 289 0.97 MB/sec warmup 11 sec latency 1896.778 ms 11:21:34 (1788794494) shut down 1 289 0.89 MB/sec warmup 12 sec latency 2898.988 ms facet: mds1 facet_host: oleg148-server facet_failover_host: oleg148-server 1 289 0.82 MB/sec warmup 13 sec latency 3899.217 ms 1 289 0.76 MB/sec warmup 14 sec latency 4899.500 ms 1 289 0.71 MB/sec warmup 15 sec latency 5899.708 ms 1 289 0.67 MB/sec warmup 16 sec latency 6900.018 ms 1 289 0.63 MB/sec warmup 17 sec latency 7902.912 ms 1 289 0.59 MB/sec warmup 18 sec latency 8904.028 ms 1 289 0.56 MB/sec warmup 19 sec latency 9904.235 ms 1 289 0.00 MB/sec execute 1 sec latency 11906.877 ms 1 289 0.00 MB/sec execute 2 sec latency 12907.543 ms Failover mds1 to oleg148-server mount facets: mds1 1 289 0.00 MB/sec execute 3 sec latency 13910.537 ms 1 289 0.00 MB/sec execute 4 sec latency 14911.671 ms 1 289 0.00 MB/sec execute 5 sec latency 15912.373 ms 1 289 0.00 MB/sec execute 6 sec latency 16914.736 ms 1 289 0.00 MB/sec execute 7 sec latency 17914.960 ms 1 289 0.00 MB/sec execute 8 sec latency 18915.799 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 9 sec latency 19916.016 ms 1 289 0.00 MB/sec execute 10 sec latency 20916.921 ms 1 289 0.00 MB/sec execute 11 sec latency 21917.137 ms 1 289 0.00 MB/sec execute 12 sec latency 22917.891 ms 1 289 0.00 MB/sec execute 13 sec latency 23918.972 ms 1 289 0.00 MB/sec execute 14 sec latency 24919.194 ms 1 289 0.00 MB/sec execute 15 sec latency 25919.403 ms 1 289 0.00 MB/sec execute 16 sec latency 26919.728 ms 1 289 0.00 MB/sec execute 17 sec latency 27919.965 ms 1 289 0.00 MB/sec execute 18 sec latency 28920.137 ms 1 289 0.00 MB/sec execute 19 sec latency 29922.192 ms 1 289 0.00 MB/sec execute 20 sec latency 30923.333 ms 1 289 0.00 MB/sec execute 21 sec latency 31928.300 ms 1 289 0.00 MB/sec execute 22 sec latency 32929.312 ms 1 289 0.00 MB/sec execute 23 sec latency 33938.841 ms oleg148-server: oleg148-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 24 sec latency 34939.696 ms 1 289 0.00 MB/sec execute 25 sec latency 35939.959 ms pdsh@oleg148-client: oleg148-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 26 sec latency 36940.595 ms Started lustre-MDT0000 11:22:09 (1788794529) targets are mounted 11:22:09 (1788794529) facet_failover done 1 289 0.00 MB/sec execute 27 sec latency 37945.190 ms 1 289 0.00 MB/sec execute 28 sec latency 38950.737 ms 1 289 0.00 MB/sec execute 29 sec latency 39952.345 ms 1 305 0.02 MB/sec execute 30 sec latency 40593.151 ms 1 334 0.04 MB/sec execute 31 sec latency 163.645 ms 1 371 0.08 MB/sec execute 32 sec latency 128.338 ms 1 403 0.11 MB/sec execute 33 sec latency 162.362 ms 1 437 0.14 MB/sec execute 34 sec latency 143.863 ms oleg148-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 462 0.16 MB/sec execute 35 sec latency 158.506 ms 1 494 0.18 MB/sec execute 36 sec latency 142.154 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 522 0.20 MB/sec execute 37 sec latency 185.993 ms 1 609 0.27 MB/sec execute 38 sec latency 157.126 ms 1 658 0.27 MB/sec execute 39 sec latency 114.397 ms 1 674 0.26 MB/sec execute 40 sec latency 300.813 ms 1 699 0.26 MB/sec execute 41 sec latency 172.479 ms 1 735 0.25 MB/sec execute 42 sec latency 121.493 ms 1 781 0.25 MB/sec execute 43 sec latency 96.150 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 3686400 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3707904 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7394304 1% /mnt/lustre 1 803 0.24 MB/sec execute 44 sec latency 258.413 ms 1 848 0.24 MB/sec execute 45 sec latency 121.383 ms 1 874 0.24 MB/sec execute 46 sec latency 177.381 ms 1 902 0.23 MB/sec execute 47 sec latency 133.768 ms 1 919 0.23 MB/sec execute 48 sec latency 181.026 ms 1 957 0.23 MB/sec execute 49 sec latency 137.587 ms test_26 fail mds1 2 times 1 981 0.22 MB/sec execute 50 sec latency 329.375 ms 1 1007 0.22 MB/sec execute 51 sec latency 147.236 ms Failing mds1 on oleg148-server 1 1050 0.23 MB/sec execute 52 sec latency 136.226 ms Stopping /mnt/lustre-mds1 (opts:) on oleg148-server 1 1086 0.23 MB/sec execute 53 sec latency 157.667 ms 1 1136 0.23 MB/sec execute 54 sec latency 82.328 ms 1 1145 0.22 MB/sec execute 55 sec latency 864.224 ms 1 1145 0.22 MB/sec execute 56 sec latency 1865.031 ms 11:22:39 (1788794559) shut down 1 1145 0.22 MB/sec execute 57 sec latency 2867.481 ms facet: mds1 facet_host: oleg148-server facet_failover_host: oleg148-server 1 1145 0.21 MB/sec execute 58 sec latency 3868.029 ms 1 1145 0.21 MB/sec execute 59 sec latency 4868.540 ms 1 1145 0.20 MB/sec execute 60 sec latency 5868.915 ms 1 1145 0.20 MB/sec execute 61 sec latency 6869.225 ms 1 1145 0.20 MB/sec execute 62 sec latency 7869.510 ms 1 1145 0.19 MB/sec execute 63 sec latency 8871.023 ms 1 1145 0.19 MB/sec execute 64 sec latency 9871.650 ms 1 1145 0.19 MB/sec execute 65 sec latency 10871.922 ms 1 1145 0.19 MB/sec execute 66 sec latency 11872.257 ms 1 1145 0.18 MB/sec execute 67 sec latency 12873.312 ms Failover mds1 to oleg148-server mount facets: mds1 1 1145 0.18 MB/sec execute 68 sec latency 13876.114 ms 1 1145 0.18 MB/sec execute 69 sec latency 14876.377 ms 1 1145 0.18 MB/sec execute 70 sec latency 15877.085 ms 1 1145 0.17 MB/sec execute 71 sec latency 16877.684 ms 1 1145 0.17 MB/sec execute 72 sec latency 17879.307 ms 1 1145 0.17 MB/sec execute 73 sec latency 18879.584 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1145 0.17 MB/sec execute 74 sec latency 19879.917 ms 1 1145 0.16 MB/sec execute 75 sec latency 20880.718 ms 1 1145 0.16 MB/sec execute 76 sec latency 21884.752 ms 1 1145 0.16 MB/sec execute 77 sec latency 22885.765 ms 1 1145 0.16 MB/sec execute 78 sec latency 23886.225 ms 1 1145 0.16 MB/sec execute 79 sec latency 24888.705 ms 1 1145 0.15 MB/sec execute 80 sec latency 25889.084 ms oleg148-server: oleg148-server.virtnet: executing set_default_debug -1 all 1 1145 0.15 MB/sec execute 81 sec latency 26889.450 ms 1 1145 0.15 MB/sec execute 82 sec latency 27889.716 ms pdsh@oleg148-client: oleg148-server: ssh exited with exit code 1 1 1145 0.15 MB/sec execute 83 sec latency 28890.382 ms Started lustre-MDT0000 11:23:06 (1788794586) targets are mounted 11:23:06 (1788794586) facet_failover done 1 1145 0.15 MB/sec execute 84 sec latency 29890.873 ms 1 1145 0.14 MB/sec execute 85 sec latency 30891.042 ms 1 1145 0.14 MB/sec execute 86 sec latency 31891.265 ms 1 1145 0.14 MB/sec execute 87 sec latency 32891.774 ms 1 1145 0.14 MB/sec execute 88 sec latency 33892.263 ms 1 1145 0.14 MB/sec execute 89 sec latency 34892.521 ms 1 1145 0.14 MB/sec execute 90 sec latency 35892.895 ms 1 1145 0.13 MB/sec execute 91 sec latency 36893.141 ms 1 1145 0.13 MB/sec execute 92 sec latency 37893.385 ms 1 1145 0.13 MB/sec execute 93 sec latency 38893.708 ms 1 1145 0.13 MB/sec execute 94 sec latency 39895.939 ms 1 1145 0.13 MB/sec execute 95 sec latency 40897.154 ms 1 1145 0.13 MB/sec execute 96 sec latency 41898.729 ms 1 1162 0.13 MB/sec execute 97 sec latency 42086.344 ms 1 1192 0.13 MB/sec execute 98 sec latency 93.283 ms 1 1225 0.12 MB/sec execute 99 sec latency 114.618 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg148-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 139 676.689 42086.321 Close 128 15.289 58.986 Rename 10 119.506 371.612 Unlink 15 29.879 57.962 Qpathinfo 87 28.355 157.636 Qfileinfo 58 1.537 5.720 Qfsinfo 30 5.261 30.440 Sfileinfo 32 65.076 116.370 Find 38 9.097 54.721 WriteX 279 15.598 92.011 ReadX 131 5.254 97.254 Flush 24 133.502 329.354 Throughput 0.124766 MB/sec 1 clients 1 procs max_latency=42086.344 ms stopping dbench on /mnt/lustre at Mon Sep 7 11:23:26 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished 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 Mon Sep 7 11:23:33 EDT 2026 waiting for dbench pid 47220 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 30 1.05 MB/sec warmup 1 sec latency 28.008 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 3695616 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 7168 3720192 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7415808 1% /mnt/lustre 1 71 1.57 MB/sec warmup 2 sec latency 170.346 ms 1 111 1.74 MB/sec warmup 3 sec latency 222.720 ms 1 130 1.43 MB/sec warmup 4 sec latency 231.440 ms 1 152 1.28 MB/sec warmup 5 sec latency 220.571 ms 1 184 1.23 MB/sec warmup 6 sec latency 152.186 ms 1 212 1.17 MB/sec warmup 7 sec latency 201.902 ms 1 244 1.15 MB/sec warmup 8 sec latency 134.961 ms test_26 fail mds1 3 times 1 285 1.18 MB/sec warmup 9 sec latency 137.898 ms 1 305 1.12 MB/sec warmup 10 sec latency 204.857 ms 1 323 1.06 MB/sec warmup 11 sec latency 251.101 ms Failing mds1 on oleg148-server 1 341 1.02 MB/sec warmup 12 sec latency 256.049 ms 1 373 1.02 MB/sec warmup 13 sec latency 180.374 ms Stopping /mnt/lustre-mds1 (opts:) on oleg148-server 1 405 1.02 MB/sec warmup 14 sec latency 168.999 ms 1 420 0.99 MB/sec warmup 15 sec latency 571.928 ms 1 420 0.93 MB/sec warmup 16 sec latency 1572.638 ms 1 420 0.87 MB/sec warmup 17 sec latency 2573.004 ms 1 420 0.82 MB/sec warmup 18 sec latency 3575.372 ms 11:23:51 (1788794631) shut down facet: mds1 facet_host: oleg148-server facet_failover_host: oleg148-server 1 420 0.78 MB/sec warmup 19 sec latency 4575.597 ms 1 420 0.00 MB/sec execute 1 sec latency 6578.468 ms 1 420 0.00 MB/sec execute 2 sec latency 7578.680 ms 1 420 0.00 MB/sec execute 3 sec latency 8579.263 ms 1 420 0.00 MB/sec execute 4 sec latency 9579.673 ms 1 420 0.00 MB/sec execute 5 sec latency 10579.966 ms 1 420 0.00 MB/sec execute 6 sec latency 11580.531 ms 1 420 0.00 MB/sec execute 7 sec latency 12581.051 ms 1 420 0.00 MB/sec execute 8 sec latency 13581.789 ms Failover mds1 to oleg148-server mount facets: mds1 1 420 0.00 MB/sec execute 9 sec latency 14582.006 ms 1 420 0.00 MB/sec execute 10 sec latency 15582.753 ms 1 420 0.00 MB/sec execute 11 sec latency 16583.031 ms 1 420 0.00 MB/sec execute 12 sec latency 17583.302 ms 1 420 0.00 MB/sec execute 13 sec latency 18583.551 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 420 0.00 MB/sec execute 14 sec latency 19586.169 ms 1 420 0.00 MB/sec execute 15 sec latency 20587.264 ms 1 420 0.00 MB/sec execute 16 sec latency 21592.777 ms 1 420 0.00 MB/sec execute 17 sec latency 22593.342 ms 1 420 0.00 MB/sec execute 18 sec latency 23598.962 ms 1 420 0.00 MB/sec execute 19 sec latency 24601.984 ms 1 420 0.00 MB/sec execute 20 sec latency 25602.200 ms 1 420 0.00 MB/sec execute 21 sec latency 26605.396 ms 1 420 0.00 MB/sec execute 22 sec latency 27606.489 ms 1 420 0.00 MB/sec execute 23 sec latency 28607.411 ms 1 420 0.00 MB/sec execute 24 sec latency 29607.664 ms 1 420 0.00 MB/sec execute 25 sec latency 30607.941 ms 1 420 0.00 MB/sec execute 26 sec latency 31610.738 ms oleg148-server: oleg148-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 27 sec latency 32612.043 ms pdsh@oleg148-client: oleg148-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 28 sec latency 33615.676 ms Started lustre-MDT0000 11:24:22 (1788794662) targets are mounted 11:24:22 (1788794662) facet_failover done 1 420 0.00 MB/sec execute 29 sec latency 34616.693 ms 1 420 0.00 MB/sec execute 30 sec latency 35616.939 ms 1 420 0.00 MB/sec execute 31 sec latency 36617.582 ms 1 420 0.00 MB/sec execute 32 sec latency 37617.831 ms 1 420 0.00 MB/sec execute 33 sec latency 38618.638 ms 1 420 0.00 MB/sec execute 34 sec latency 39619.264 ms 1 420 0.00 MB/sec execute 35 sec latency 40621.074 ms 1 446 0.02 MB/sec execute 36 sec latency 40646.271 ms 1 484 0.06 MB/sec execute 37 sec latency 140.370 ms 1 503 0.07 MB/sec execute 38 sec latency 210.604 ms 1 542 0.11 MB/sec execute 39 sec latency 182.764 ms 1 603 0.15 MB/sec execute 40 sec latency 219.573 ms oleg148-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 649 0.15 MB/sec execute 41 sec latency 137.334 ms 1 664 0.15 MB/sec execute 42 sec latency 428.309 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 689 0.15 MB/sec execute 43 sec latency 441.321 ms 1 721 0.15 MB/sec execute 44 sec latency 154.281 ms 1 736 0.14 MB/sec execute 45 sec latency 358.239 ms 1 776 0.14 MB/sec execute 46 sec latency 163.747 ms 1 791 0.14 MB/sec execute 47 sec latency 345.142 ms 1 808 0.14 MB/sec execute 48 sec latency 156.858 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 863 0.14 MB/sec execute 49 sec latency 106.758 ms 1 882 0.14 MB/sec execute 50 sec latency 285.979 ms 1 913 0.14 MB/sec execute 51 sec latency 96.407 ms 1 933 0.13 MB/sec execute 52 sec latency 312.463 ms 1 969 0.13 MB/sec execute 53 sec latency 122.163 ms 1 985 0.13 MB/sec execute 54 sec latency 343.518 ms 1 1057 0.15 MB/sec execute 55 sec latency 127.162 ms 1 1119 0.14 MB/sec execute 56 sec latency 66.395 ms 1 1155 0.14 MB/sec execute 57 sec latency 113.885 ms tar: Error is not recoverable: exiting now 1 1199 0.14 MB/sec execute 58 sec latency 89.563 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 11:24:51 EDT 2026 with return code 0 47220 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47220 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished