== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:04:04 (1788512644) Starting client oleg439-client.virtnet: -o user_xattr,flock 192.168.204.139@tcp:/lustre /mnt/lustre Started clients oleg439-client.virtnet: 192.168.204.139@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 45237 Started dbench loop with 45238 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 3744768 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7506944 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 Sep 4 05:04:12 EDT 2026 waiting for dbench pid 45316 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 25 0.71 MB/sec warmup 1 sec latency 231.728 ms 1 71 1.56 MB/sec warmup 2 sec latency 149.393 ms 1 111 1.74 MB/sec warmup 3 sec latency 224.247 ms 1 143 1.52 MB/sec warmup 4 sec latency 146.319 ms test_26 fail mds1 1 times 1 171 1.39 MB/sec warmup 5 sec latency 167.941 ms 1 195 1.29 MB/sec warmup 6 sec latency 150.244 ms 1 215 1.19 MB/sec warmup 7 sec latency 230.723 ms Failing mds1 on oleg439-server 1 242 1.14 MB/sec warmup 8 sec latency 174.765 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 271 1.13 MB/sec warmup 9 sec latency 142.515 ms 1 289 1.07 MB/sec warmup 10 sec latency 248.445 ms 1 289 0.97 MB/sec warmup 11 sec latency 1248.716 ms 1 289 0.89 MB/sec warmup 12 sec latency 2248.958 ms 1 289 0.82 MB/sec warmup 13 sec latency 3251.523 ms 05:04:26 (1788512666) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 289 0.76 MB/sec warmup 14 sec latency 4252.033 ms 1 289 0.71 MB/sec warmup 15 sec latency 5252.263 ms 1 289 0.67 MB/sec warmup 16 sec latency 6256.347 ms 1 289 0.63 MB/sec warmup 17 sec latency 7256.639 ms 1 289 0.59 MB/sec warmup 18 sec latency 8256.958 ms 1 289 0.56 MB/sec warmup 19 sec latency 9258.994 ms 1 289 0.00 MB/sec execute 1 sec latency 11260.468 ms 1 289 0.00 MB/sec execute 2 sec latency 12262.036 ms 1 289 0.00 MB/sec execute 3 sec latency 13262.568 ms 1 289 0.00 MB/sec execute 4 sec latency 14263.267 ms Failover mds1 to oleg439-server mount facets: mds1 1 289 0.00 MB/sec execute 5 sec latency 15263.511 ms 1 289 0.00 MB/sec execute 6 sec latency 16263.748 ms 1 289 0.00 MB/sec execute 7 sec latency 17264.739 ms 1 289 0.00 MB/sec execute 8 sec latency 18265.183 ms 1 289 0.00 MB/sec execute 9 sec latency 19265.439 ms 1 289 0.00 MB/sec execute 10 sec latency 20269.673 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 11 sec latency 21270.457 ms 1 289 0.00 MB/sec execute 12 sec latency 22270.578 ms 1 289 0.00 MB/sec execute 13 sec latency 23270.795 ms 1 289 0.00 MB/sec execute 14 sec latency 24271.364 ms 1 289 0.00 MB/sec execute 15 sec latency 25272.673 ms 1 289 0.00 MB/sec execute 16 sec latency 26272.917 ms 1 289 0.00 MB/sec execute 17 sec latency 27273.656 ms 1 289 0.00 MB/sec execute 18 sec latency 28275.914 ms 1 289 0.00 MB/sec execute 19 sec latency 29276.087 ms 1 289 0.00 MB/sec execute 20 sec latency 30277.602 ms 1 289 0.00 MB/sec execute 21 sec latency 31277.868 ms 1 289 0.00 MB/sec execute 22 sec latency 32280.874 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 23 sec latency 33281.168 ms 1 289 0.00 MB/sec execute 24 sec latency 34281.488 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 25 sec latency 35290.137 ms Started lustre-MDT0000 05:04:58 (1788512698) targets are mounted 05:04:58 (1788512698) facet_failover done 1 289 0.00 MB/sec execute 26 sec latency 36291.368 ms 1 289 0.00 MB/sec execute 27 sec latency 37292.256 ms 1 289 0.00 MB/sec execute 28 sec latency 38294.110 ms 1 289 0.00 MB/sec execute 29 sec latency 39295.696 ms 1 305 0.02 MB/sec execute 30 sec latency 39695.194 ms 1 332 0.04 MB/sec execute 31 sec latency 243.767 ms 1 350 0.06 MB/sec execute 32 sec latency 241.071 ms 1 380 0.09 MB/sec execute 33 sec latency 182.965 ms 1 405 0.11 MB/sec execute 34 sec latency 183.017 ms 1 427 0.12 MB/sec execute 35 sec latency 295.305 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 453 0.14 MB/sec execute 36 sec latency 186.045 ms 1 476 0.16 MB/sec execute 37 sec latency 234.658 ms 1 497 0.17 MB/sec execute 38 sec latency 198.014 ms 1 513 0.18 MB/sec execute 39 sec latency 231.921 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 542 0.21 MB/sec execute 40 sec latency 255.260 ms 1 594 0.24 MB/sec execute 41 sec latency 304.025 ms 1 639 0.25 MB/sec execute 42 sec latency 152.117 ms 1 656 0.24 MB/sec execute 43 sec latency 190.314 ms 1 671 0.24 MB/sec execute 44 sec latency 462.993 ms 1 691 0.23 MB/sec execute 45 sec latency 223.916 ms 1 713 0.23 MB/sec execute 46 sec latency 161.703 ms 1 733 0.23 MB/sec execute 47 sec latency 333.931 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3681280 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 8192 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7411712 1% /mnt/lustre 1 759 0.22 MB/sec execute 48 sec latency 176.655 ms 1 783 0.22 MB/sec execute 49 sec latency 230.146 ms 1 796 0.21 MB/sec execute 50 sec latency 327.767 ms 1 815 0.21 MB/sec execute 51 sec latency 185.103 ms 1 857 0.21 MB/sec execute 52 sec latency 132.027 ms 1 876 0.21 MB/sec execute 53 sec latency 231.043 ms 1 892 0.20 MB/sec execute 54 sec latency 189.063 ms 1 913 0.20 MB/sec execute 55 sec latency 210.322 ms test_26 fail mds1 2 times 1 923 0.20 MB/sec execute 56 sec latency 365.727 ms 1 949 0.19 MB/sec execute 57 sec latency 173.615 ms 1 970 0.19 MB/sec execute 58 sec latency 192.638 ms Failing mds1 on oleg439-server 1 985 0.19 MB/sec execute 59 sec latency 265.086 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 1028 0.20 MB/sec execute 60 sec latency 126.231 ms 1 1057 0.20 MB/sec execute 61 sec latency 181.044 ms 1 1064 0.20 MB/sec execute 62 sec latency 818.453 ms 1 1064 0.19 MB/sec execute 63 sec latency 1823.434 ms 1 1064 0.19 MB/sec execute 64 sec latency 2825.523 ms 05:05:37 (1788512737) shut down 1 1064 0.19 MB/sec execute 65 sec latency 3828.224 ms facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 1064 0.18 MB/sec execute 66 sec latency 4829.220 ms 1 1064 0.18 MB/sec execute 67 sec latency 5829.531 ms 1 1064 0.18 MB/sec execute 68 sec latency 6829.976 ms 1 1064 0.18 MB/sec execute 69 sec latency 7831.246 ms 1 1064 0.17 MB/sec execute 70 sec latency 8832.500 ms 1 1064 0.17 MB/sec execute 71 sec latency 9832.764 ms 1 1064 0.17 MB/sec execute 72 sec latency 10833.189 ms 1 1064 0.17 MB/sec execute 73 sec latency 11834.053 ms 1 1064 0.16 MB/sec execute 74 sec latency 12834.300 ms 1 1064 0.16 MB/sec execute 75 sec latency 13835.249 ms Failover mds1 to oleg439-server mount facets: mds1 1 1064 0.16 MB/sec execute 76 sec latency 14838.542 ms 1 1064 0.16 MB/sec execute 77 sec latency 15841.213 ms 1 1064 0.16 MB/sec execute 78 sec latency 16841.479 ms 1 1064 0.15 MB/sec execute 79 sec latency 17841.787 ms 1 1064 0.15 MB/sec execute 80 sec latency 18842.432 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1064 0.15 MB/sec execute 81 sec latency 19842.664 ms 1 1064 0.15 MB/sec execute 82 sec latency 20843.457 ms 1 1064 0.15 MB/sec execute 83 sec latency 21843.913 ms 1 1064 0.14 MB/sec execute 84 sec latency 22846.055 ms 1 1064 0.14 MB/sec execute 85 sec latency 23846.468 ms 1 1064 0.14 MB/sec execute 86 sec latency 24848.853 ms 1 1064 0.14 MB/sec execute 87 sec latency 25849.118 ms 1 1064 0.14 MB/sec execute 88 sec latency 26849.567 ms 1 1064 0.14 MB/sec execute 89 sec latency 27854.502 ms 1 1064 0.14 MB/sec execute 90 sec latency 28859.358 ms 1 1064 0.13 MB/sec execute 91 sec latency 29860.857 ms 1 1064 0.13 MB/sec execute 92 sec latency 30862.032 ms 1 1064 0.13 MB/sec execute 93 sec latency 31862.636 ms 1 1064 0.13 MB/sec execute 94 sec latency 32863.279 ms 1 1064 0.13 MB/sec execute 95 sec latency 33863.596 ms 1 1064 0.13 MB/sec execute 96 sec latency 34863.863 ms 1 1064 0.13 MB/sec execute 97 sec latency 35864.149 ms 1 1064 0.12 MB/sec execute 98 sec latency 36864.431 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 1064 0.12 MB/sec execute 99 sec latency 37864.788 ms 1 cleanup 100 sec pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 cleanup 101 sec 1 cleanup 102 sec Started lustre-MDT0000 05:06:15 (1788512775) targets are mounted 05:06:15 (1788512775) facet_failover done 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 0 cleanup 114 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 110 483.824 39695.179 Close 101 21.768 57.028 Rename 4 170.483 210.221 Unlink 11 43.732 73.081 Qpathinfo 40 1205.298 46824.615 Qfileinfo 53 2.567 14.873 Qfsinfo 23 7.278 28.120 Sfileinfo 18 86.794 168.627 Find 29 13.476 119.582 WriteX 265 22.469 131.850 ReadX 98 8.148 142.291 Flush 24 188.910 462.974 Throughput 0.122903 MB/sec 1 clients 1 procs max_latency=39695.194 ms stopping dbench on /mnt/lustre at Fri Sep 4 05:06:26 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg439-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 Fri Sep 4 05:06:37 EDT 2026 waiting for dbench pid 47253 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 29.888 ms 1 71 1.57 MB/sec warmup 2 sec latency 214.038 ms 1 121 1.83 MB/sec warmup 3 sec latency 152.581 ms 1 148 1.57 MB/sec warmup 4 sec latency 192.352 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 3072 3756032 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3686400 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7442432 1% /mnt/lustre 1 173 1.41 MB/sec warmup 5 sec latency 207.582 ms 1 189 1.26 MB/sec warmup 6 sec latency 287.689 ms 1 215 1.19 MB/sec warmup 7 sec latency 170.524 ms 1 239 1.14 MB/sec warmup 8 sec latency 180.308 ms 1 272 1.13 MB/sec warmup 9 sec latency 190.943 ms 1 305 1.12 MB/sec warmup 10 sec latency 171.288 ms 1 334 1.09 MB/sec warmup 11 sec latency 150.086 ms test_26 fail mds1 3 times 1 357 1.06 MB/sec warmup 12 sec latency 199.965 ms 1 381 1.04 MB/sec warmup 13 sec latency 202.564 ms 1 406 1.02 MB/sec warmup 14 sec latency 171.976 ms Failing mds1 on oleg439-server 1 445 1.04 MB/sec warmup 15 sec latency 142.673 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 477 1.04 MB/sec warmup 16 sec latency 141.144 ms 1 503 1.03 MB/sec warmup 17 sec latency 187.251 ms 1 511 0.98 MB/sec warmup 18 sec latency 849.083 ms 1 511 0.93 MB/sec warmup 19 sec latency 1850.715 ms 05:06:58 (1788512818) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 511 0.00 MB/sec execute 1 sec latency 3853.435 ms 1 511 0.00 MB/sec execute 2 sec latency 4853.679 ms 1 511 0.00 MB/sec execute 3 sec latency 5853.878 ms 1 511 0.00 MB/sec execute 4 sec latency 6854.107 ms 1 511 0.00 MB/sec execute 5 sec latency 7855.264 ms 1 511 0.00 MB/sec execute 6 sec latency 8855.560 ms 1 511 0.00 MB/sec execute 7 sec latency 9856.678 ms 1 511 0.00 MB/sec execute 8 sec latency 10857.342 ms 1 511 0.00 MB/sec execute 9 sec latency 11858.343 ms 1 511 0.00 MB/sec execute 10 sec latency 12864.723 ms 1 511 0.00 MB/sec execute 11 sec latency 13866.048 ms Failover mds1 to oleg439-server mount facets: mds1 1 511 0.00 MB/sec execute 12 sec latency 14866.325 ms 1 511 0.00 MB/sec execute 13 sec latency 15868.384 ms 1 511 0.00 MB/sec execute 14 sec latency 16872.125 ms 1 511 0.00 MB/sec execute 15 sec latency 17872.360 ms 1 511 0.00 MB/sec execute 16 sec latency 18877.680 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 511 0.00 MB/sec execute 17 sec latency 19880.803 ms 1 511 0.00 MB/sec execute 18 sec latency 20883.643 ms 1 511 0.00 MB/sec execute 19 sec latency 21886.080 ms 1 511 0.00 MB/sec execute 20 sec latency 22886.397 ms 1 511 0.00 MB/sec execute 21 sec latency 23887.968 ms 1 511 0.00 MB/sec execute 22 sec latency 24888.417 ms 1 511 0.00 MB/sec execute 23 sec latency 25888.798 ms 1 511 0.00 MB/sec execute 24 sec latency 26889.659 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 511 0.00 MB/sec execute 25 sec latency 27895.081 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 511 0.00 MB/sec execute 26 sec latency 28905.428 ms 1 511 0.00 MB/sec execute 27 sec latency 29906.249 ms Started lustre-MDT0000 05:07:25 (1788512845) targets are mounted 05:07:25 (1788512845) facet_failover done 1 511 0.00 MB/sec execute 28 sec latency 30907.351 ms 1 511 0.00 MB/sec execute 29 sec latency 31908.583 ms 1 511 0.00 MB/sec execute 30 sec latency 32908.799 ms 1 511 0.00 MB/sec execute 31 sec latency 33911.372 ms 1 511 0.00 MB/sec execute 32 sec latency 34913.078 ms 1 511 0.00 MB/sec execute 33 sec latency 35918.223 ms 1 511 0.00 MB/sec execute 34 sec latency 36923.860 ms 1 511 0.00 MB/sec execute 35 sec latency 37931.836 ms 1 511 0.00 MB/sec execute 36 sec latency 38933.809 ms 1 511 0.00 MB/sec execute 37 sec latency 39941.343 ms 1 528 0.01 MB/sec execute 38 sec latency 40052.496 ms 1 612 0.08 MB/sec execute 39 sec latency 129.135 ms 1 649 0.08 MB/sec execute 40 sec latency 216.020 ms 1 664 0.08 MB/sec execute 41 sec latency 282.397 ms 1 674 0.08 MB/sec execute 42 sec latency 643.261 ms 1 695 0.08 MB/sec execute 43 sec latency 170.892 ms 1 712 0.08 MB/sec execute 44 sec latency 236.097 ms 1 726 0.08 MB/sec execute 45 sec latency 451.728 ms 1 735 0.08 MB/sec execute 46 sec latency 286.040 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 762 0.08 MB/sec execute 47 sec latency 165.230 ms 1 777 0.08 MB/sec execute 48 sec latency 323.155 ms 1 791 0.08 MB/sec execute 49 sec latency 379.373 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 801 0.07 MB/sec execute 50 sec latency 305.097 ms 1 824 0.07 MB/sec execute 51 sec latency 157.900 ms 1 870 0.08 MB/sec execute 52 sec latency 133.591 ms 1 885 0.07 MB/sec execute 53 sec latency 348.910 ms 1 910 0.07 MB/sec execute 54 sec latency 165.082 ms 1 933 0.07 MB/sec execute 55 sec latency 250.998 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 969 0.07 MB/sec execute 56 sec latency 114.417 ms 1 985 0.07 MB/sec execute 57 sec latency 332.562 ms 1 1041 0.09 MB/sec execute 58 sec latency 147.401 ms 1 1084 0.09 MB/sec execute 59 sec latency 88.862 ms 1 1145 0.09 MB/sec execute 60 sec latency 74.566 ms 1 1190 0.09 MB/sec execute 61 sec latency 83.919 ms 1 1224 0.09 MB/sec execute 62 sec latency 233.661 ms 1 1251 0.08 MB/sec execute 63 sec latency 245.537 ms 1 1381 0.13 MB/sec execute 64 sec latency 108.863 ms 1 1413 0.13 MB/sec execute 65 sec latency 130.092 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 05:08:03 EDT 2026 with return code 0 1 1455 0.13 MB/sec execute 66 sec latency 92.820 ms 47253 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47253 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished