== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:24:38 (1786634678) Starting client oleg135-client.virtnet: -o user_xattr,flock 192.168.201.135@tcp:/lustre /mnt/lustre Started clients oleg135-client.virtnet: 192.168.201.135@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 45249 Started dbench loop with 45250 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 3735552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 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 Thu Aug 13 11:24:44 EDT 2026 waiting for dbench pid 45319 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 25.120 ms 1 61 1.28 MB/sec warmup 2 sec latency 194.172 ms 1 111 1.75 MB/sec warmup 3 sec latency 190.402 ms 1 139 1.50 MB/sec warmup 4 sec latency 206.328 ms 1 168 1.36 MB/sec warmup 5 sec latency 152.624 ms test_26 fail mds1 1 times 1 199 1.30 MB/sec warmup 6 sec latency 153.425 ms 1 223 1.23 MB/sec warmup 7 sec latency 191.543 ms Failing mds1 on oleg135-server 1 255 1.21 MB/sec warmup 8 sec latency 180.227 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 289 1.19 MB/sec warmup 9 sec latency 135.030 ms 1 305 1.12 MB/sec warmup 10 sec latency 528.866 ms 1 305 1.02 MB/sec warmup 11 sec latency 1529.070 ms 1 305 0.93 MB/sec warmup 12 sec latency 2529.292 ms 11:24:57 (1786634697) shut down 1 305 0.86 MB/sec warmup 13 sec latency 3533.192 ms facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 305 0.80 MB/sec warmup 14 sec latency 4533.442 ms 1 305 0.75 MB/sec warmup 15 sec latency 5534.125 ms 1 305 0.70 MB/sec warmup 16 sec latency 6535.106 ms 1 305 0.66 MB/sec warmup 17 sec latency 7535.347 ms 1 305 0.62 MB/sec warmup 18 sec latency 8536.221 ms 1 305 0.59 MB/sec warmup 19 sec latency 9537.036 ms 1 305 0.00 MB/sec execute 1 sec latency 11538.033 ms 1 305 0.00 MB/sec execute 2 sec latency 12538.245 ms 1 305 0.00 MB/sec execute 3 sec latency 13539.361 ms Failover mds1 to oleg135-server mount facets: mds1 1 305 0.00 MB/sec execute 4 sec latency 14539.688 ms 1 305 0.00 MB/sec execute 5 sec latency 15541.680 ms 1 305 0.00 MB/sec execute 6 sec latency 16541.932 ms 1 305 0.00 MB/sec execute 7 sec latency 17542.530 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 305 0.00 MB/sec execute 8 sec latency 18546.274 ms 1 305 0.00 MB/sec execute 9 sec latency 19546.505 ms 1 305 0.00 MB/sec execute 10 sec latency 20546.795 ms 1 305 0.00 MB/sec execute 11 sec latency 21550.399 ms 1 305 0.00 MB/sec execute 12 sec latency 22550.697 ms 1 305 0.00 MB/sec execute 13 sec latency 23551.401 ms 1 305 0.00 MB/sec execute 14 sec latency 24552.472 ms 1 305 0.00 MB/sec execute 15 sec latency 25553.754 ms 1 305 0.00 MB/sec execute 16 sec latency 26559.706 ms 1 305 0.00 MB/sec execute 17 sec latency 27559.925 ms 1 305 0.00 MB/sec execute 18 sec latency 28560.240 ms 1 305 0.00 MB/sec execute 19 sec latency 29564.698 ms 1 305 0.00 MB/sec execute 20 sec latency 30566.799 ms 1 305 0.00 MB/sec execute 21 sec latency 31578.732 ms 1 305 0.00 MB/sec execute 22 sec latency 32579.055 ms 1 305 0.00 MB/sec execute 23 sec latency 33584.036 ms 1 305 0.00 MB/sec execute 24 sec latency 34584.273 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 25 sec latency 35584.996 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 26 sec latency 36585.941 ms Started lustre-MDT0000 11:25:31 (1786634731) targets are mounted 11:25:31 (1786634731) facet_failover done 1 305 0.00 MB/sec execute 27 sec latency 37588.930 ms 1 305 0.00 MB/sec execute 28 sec latency 38589.090 ms 1 305 0.00 MB/sec execute 29 sec latency 39589.840 ms 1 305 0.00 MB/sec execute 30 sec latency 40591.696 ms 1 305 0.00 MB/sec execute 31 sec latency 41592.319 ms 1 315 0.01 MB/sec execute 32 sec latency 42118.723 ms 1 339 0.03 MB/sec execute 33 sec latency 204.452 ms 1 366 0.05 MB/sec execute 34 sec latency 182.366 ms 1 405 0.09 MB/sec execute 35 sec latency 103.775 ms 1 445 0.12 MB/sec execute 36 sec latency 119.563 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 478 0.15 MB/sec execute 37 sec latency 159.434 ms 1 511 0.17 MB/sec execute 38 sec latency 179.766 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 542 0.20 MB/sec execute 39 sec latency 210.149 ms 1 612 0.24 MB/sec execute 40 sec latency 182.528 ms 1 651 0.24 MB/sec execute 41 sec latency 189.965 ms 1 671 0.24 MB/sec execute 42 sec latency 253.445 ms 1 695 0.23 MB/sec execute 43 sec latency 186.619 ms 1 718 0.23 MB/sec execute 44 sec latency 199.924 ms 1 731 0.22 MB/sec execute 45 sec latency 303.116 ms 1 762 0.22 MB/sec execute 46 sec latency 154.272 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3696640 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3726336 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7422976 1% /mnt/lustre 1 786 0.22 MB/sec execute 47 sec latency 157.325 ms 1 800 0.21 MB/sec execute 48 sec latency 367.788 ms 1 825 0.21 MB/sec execute 49 sec latency 127.298 ms 1 870 0.21 MB/sec execute 50 sec latency 135.206 ms 1 888 0.20 MB/sec execute 51 sec latency 214.283 ms 1 914 0.20 MB/sec execute 52 sec latency 159.653 ms test_26 fail mds1 2 times 1 952 0.20 MB/sec execute 53 sec latency 124.632 ms Failing mds1 on oleg135-server 1 981 0.20 MB/sec execute 54 sec latency 282.375 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 1028 0.21 MB/sec execute 55 sec latency 103.689 ms 1 1064 0.21 MB/sec execute 56 sec latency 96.261 ms 1 1064 0.20 MB/sec execute 57 sec latency 1076.775 ms 1 1064 0.20 MB/sec execute 58 sec latency 2077.191 ms 1 1064 0.20 MB/sec execute 59 sec latency 3078.011 ms 1 1064 0.19 MB/sec execute 60 sec latency 4081.931 ms 11:26:05 (1786634765) shut down facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 1064 0.19 MB/sec execute 61 sec latency 5082.135 ms 1 1064 0.19 MB/sec execute 62 sec latency 6083.285 ms 1 1064 0.18 MB/sec execute 63 sec latency 7083.568 ms 1 1064 0.18 MB/sec execute 64 sec latency 8083.849 ms 1 1064 0.18 MB/sec execute 65 sec latency 9084.046 ms 1 1064 0.18 MB/sec execute 66 sec latency 10084.371 ms 1 1064 0.17 MB/sec execute 67 sec latency 11085.110 ms 1 1064 0.17 MB/sec execute 68 sec latency 12099.180 ms 1 1064 0.17 MB/sec execute 69 sec latency 13099.851 ms 1 1064 0.17 MB/sec execute 70 sec latency 14100.319 ms 1 1064 0.16 MB/sec execute 71 sec latency 15100.485 ms Failover mds1 to oleg135-server mount facets: mds1 1 1064 0.16 MB/sec execute 72 sec latency 16100.787 ms 1 1064 0.16 MB/sec execute 73 sec latency 17101.315 ms 1 1064 0.16 MB/sec execute 74 sec latency 18101.570 ms 1 1064 0.16 MB/sec execute 75 sec latency 19104.215 ms 1 1064 0.15 MB/sec execute 76 sec latency 20104.474 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1064 0.15 MB/sec execute 77 sec latency 21104.743 ms 1 1064 0.15 MB/sec execute 78 sec latency 22105.041 ms 1 1064 0.15 MB/sec execute 79 sec latency 23105.315 ms 1 1064 0.15 MB/sec execute 80 sec latency 24106.026 ms 1 1064 0.14 MB/sec execute 81 sec latency 25106.285 ms 1 1064 0.14 MB/sec execute 82 sec latency 26107.685 ms 1 1064 0.14 MB/sec execute 83 sec latency 27107.948 ms 1 1064 0.14 MB/sec execute 84 sec latency 28109.376 ms 1 1064 0.14 MB/sec execute 85 sec latency 29110.731 ms 1 1064 0.14 MB/sec execute 86 sec latency 30112.430 ms 1 1064 0.13 MB/sec execute 87 sec latency 31113.799 ms 1 1064 0.13 MB/sec execute 88 sec latency 32115.596 ms 1 1064 0.13 MB/sec execute 89 sec latency 33116.126 ms 1 1064 0.13 MB/sec execute 90 sec latency 34116.518 ms 1 1064 0.13 MB/sec execute 91 sec latency 35117.856 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 1064 0.13 MB/sec execute 92 sec latency 36121.045 ms 1 1064 0.13 MB/sec execute 93 sec latency 37121.324 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 1064 0.12 MB/sec execute 94 sec latency 38121.676 ms Started lustre-MDT0000 11:26:39 (1786634799) targets are mounted 11:26:39 (1786634799) facet_failover done 1 1064 0.12 MB/sec execute 95 sec latency 39126.511 ms 1 1064 0.12 MB/sec execute 96 sec latency 40131.610 ms 1 1064 0.12 MB/sec execute 97 sec latency 41132.221 ms 1 1085 0.12 MB/sec execute 98 sec latency 41186.744 ms 1 1127 0.12 MB/sec execute 99 sec latency 98.084 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 120 443.785 42118.700 Close 112 17.870 74.054 Rename 7 136.870 195.064 Unlink 12 41.554 64.120 Qpathinfo 59 727.201 41186.722 Qfileinfo 53 3.123 46.849 Qfsinfo 26 6.188 35.259 Sfileinfo 23 82.897 148.334 Find 32 9.819 92.972 WriteX 261 15.672 119.846 ReadX 114 5.908 95.516 Flush 24 157.046 367.775 Throughput 0.118581 MB/sec 1 clients 1 procs max_latency=42118.723 ms stopping dbench on /mnt/lustre at Thu Aug 13 11:26:49 EDT 2026 with return code 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 Thu Aug 13 11:26:58 EDT 2026 waiting for dbench pid 47321 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 22 0.52 MB/sec warmup 1 sec latency 20.586 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 3686400 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3758080 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7444480 1% /mnt/lustre 1 71 1.57 MB/sec warmup 2 sec latency 200.815 ms 1 110 1.74 MB/sec warmup 3 sec latency 211.328 ms 1 129 1.44 MB/sec warmup 4 sec latency 288.285 ms 1 155 1.31 MB/sec warmup 5 sec latency 199.401 ms 1 184 1.23 MB/sec warmup 6 sec latency 157.904 ms 1 207 1.16 MB/sec warmup 7 sec latency 241.149 ms 1 239 1.14 MB/sec warmup 8 sec latency 164.967 ms test_26 fail mds1 3 times 1 277 1.15 MB/sec warmup 9 sec latency 220.862 ms 1 304 1.12 MB/sec warmup 10 sec latency 183.738 ms Failing mds1 on oleg135-server 1 323 1.06 MB/sec warmup 11 sec latency 192.996 ms 1 354 1.05 MB/sec warmup 12 sec latency 194.654 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 389 1.06 MB/sec warmup 13 sec latency 128.503 ms 1 412 1.04 MB/sec warmup 14 sec latency 348.244 ms 1 412 0.97 MB/sec warmup 15 sec latency 1348.537 ms 1 412 0.91 MB/sec warmup 16 sec latency 2348.811 ms 11:27:15 (1786634835) shut down facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 412 0.86 MB/sec warmup 17 sec latency 3349.613 ms 1 412 0.81 MB/sec warmup 18 sec latency 4351.707 ms 1 412 0.77 MB/sec warmup 19 sec latency 5351.950 ms 1 412 0.00 MB/sec execute 1 sec latency 7352.386 ms 1 412 0.00 MB/sec execute 2 sec latency 8353.102 ms 1 412 0.00 MB/sec execute 3 sec latency 9353.391 ms 1 412 0.00 MB/sec execute 4 sec latency 10354.403 ms 1 412 0.00 MB/sec execute 5 sec latency 11354.586 ms 1 412 0.00 MB/sec execute 6 sec latency 12355.100 ms Failover mds1 to oleg135-server 1 412 0.00 MB/sec execute 7 sec latency 13356.072 ms mount facets: mds1 1 412 0.00 MB/sec execute 8 sec latency 14358.437 ms 1 412 0.00 MB/sec execute 9 sec latency 15358.789 ms 1 412 0.00 MB/sec execute 10 sec latency 16358.990 ms 1 412 0.00 MB/sec execute 11 sec latency 17379.121 ms 1 412 0.00 MB/sec execute 12 sec latency 18380.303 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 412 0.00 MB/sec execute 13 sec latency 19380.548 ms 1 412 0.00 MB/sec execute 14 sec latency 20380.989 ms 1 412 0.00 MB/sec execute 15 sec latency 21381.219 ms 1 412 0.00 MB/sec execute 16 sec latency 22381.566 ms 1 412 0.00 MB/sec execute 17 sec latency 23383.777 ms 1 412 0.00 MB/sec execute 18 sec latency 24384.085 ms 1 412 0.00 MB/sec execute 19 sec latency 25384.366 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 412 0.00 MB/sec execute 20 sec latency 26384.617 ms 1 412 0.00 MB/sec execute 21 sec latency 27385.084 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 412 0.00 MB/sec execute 22 sec latency 28386.235 ms Started lustre-MDT0000 11:27:41 (1786634861) targets are mounted 11:27:41 (1786634861) facet_failover done 1 412 0.00 MB/sec execute 23 sec latency 29386.515 ms 1 412 0.00 MB/sec execute 24 sec latency 30394.538 ms 1 412 0.00 MB/sec execute 25 sec latency 31394.980 ms 1 412 0.00 MB/sec execute 26 sec latency 32395.624 ms 1 412 0.00 MB/sec execute 27 sec latency 33396.532 ms 1 412 0.00 MB/sec execute 28 sec latency 34397.762 ms 1 412 0.00 MB/sec execute 29 sec latency 35398.458 ms 1 412 0.00 MB/sec execute 30 sec latency 36399.186 ms 1 412 0.00 MB/sec execute 31 sec latency 37399.458 ms 1 412 0.00 MB/sec execute 32 sec latency 38399.834 ms 1 412 0.00 MB/sec execute 33 sec latency 39400.169 ms 1 428 0.02 MB/sec execute 34 sec latency 39538.147 ms 1 453 0.04 MB/sec execute 35 sec latency 189.651 ms 1 484 0.06 MB/sec execute 36 sec latency 164.975 ms 1 503 0.08 MB/sec execute 37 sec latency 229.974 ms 1 528 0.10 MB/sec execute 38 sec latency 186.193 ms 1 598 0.16 MB/sec execute 39 sec latency 170.980 ms 1 647 0.16 MB/sec execute 40 sec latency 138.159 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 673 0.16 MB/sec execute 41 sec latency 269.774 ms 1 695 0.16 MB/sec execute 42 sec latency 134.129 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 712 0.15 MB/sec execute 43 sec latency 145.838 ms 1 730 0.15 MB/sec execute 44 sec latency 308.000 ms 1 747 0.15 MB/sec execute 45 sec latency 188.061 ms 1 781 0.15 MB/sec execute 46 sec latency 134.799 ms 1 798 0.15 MB/sec execute 47 sec latency 369.942 ms 1 845 0.14 MB/sec execute 48 sec latency 120.645 ms 1 873 0.14 MB/sec execute 49 sec latency 249.032 ms 1 902 0.14 MB/sec execute 50 sec latency 263.396 ms 1 921 0.14 MB/sec execute 51 sec latency 255.385 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 959 0.14 MB/sec execute 52 sec latency 98.164 ms 1 988 0.14 MB/sec execute 53 sec latency 182.569 ms 1 1077 0.15 MB/sec execute 54 sec latency 65.791 ms 1 1132 0.15 MB/sec execute 55 sec latency 116.106 ms 1 1169 0.15 MB/sec execute 56 sec latency 174.942 ms 1 1221 0.15 MB/sec execute 57 sec latency 66.139 ms 1 1244 0.15 MB/sec execute 58 sec latency 216.940 ms 1 1378 0.19 MB/sec execute 59 sec latency 229.063 ms 1 1407 0.19 MB/sec execute 60 sec latency 106.618 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 13 11:28:19 EDT 2026 with return code 0 1 1459 0.19 MB/sec execute 61 sec latency 96.962 ms 47321 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47321 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished