== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:03:42 (1789304622) Starting client oleg353-client.virtnet: -o user_xattr,flock 192.168.203.153@tcp:/lustre /mnt/lustre Started clients oleg353-client.virtnet: 192.168.203.153@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 45159 Started dbench loop with 45160 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 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3733504 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7495680 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 Sun Sep 13 09:03:49 EDT 2026 waiting for dbench pid 45227 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 10 0.00 MB/sec warmup 1 sec latency 215.235 ms 1 57 1.15 MB/sec warmup 2 sec latency 180.001 ms 1 111 1.74 MB/sec warmup 3 sec latency 177.927 ms 1 139 1.50 MB/sec warmup 4 sec latency 199.497 ms 1 180 1.46 MB/sec warmup 5 sec latency 146.434 ms test_26 fail mds1 1 times 1 200 1.30 MB/sec warmup 6 sec latency 195.610 ms 1 224 1.22 MB/sec warmup 7 sec latency 198.608 ms 1 262 1.23 MB/sec warmup 8 sec latency 170.440 ms Failing mds1 on oleg353-server 1 287 1.18 MB/sec warmup 9 sec latency 141.124 ms Stopping /mnt/lustre-mds1 (opts:) on oleg353-server 1 313 1.14 MB/sec warmup 10 sec latency 240.261 ms 1 323 1.06 MB/sec warmup 11 sec latency 698.425 ms 1 323 0.97 MB/sec warmup 12 sec latency 1698.902 ms 1 323 0.90 MB/sec warmup 13 sec latency 2699.125 ms 09:04:03 (1789304643) shut down facet: mds1 facet_host: oleg353-server facet_failover_host: oleg353-server 1 323 0.84 MB/sec warmup 14 sec latency 3700.690 ms 1 323 0.78 MB/sec warmup 15 sec latency 4700.876 ms 1 323 0.73 MB/sec warmup 16 sec latency 5701.431 ms 1 323 0.69 MB/sec warmup 17 sec latency 6701.619 ms 1 323 0.65 MB/sec warmup 18 sec latency 7702.005 ms 1 323 0.62 MB/sec warmup 19 sec latency 8702.242 ms 1 323 0.00 MB/sec execute 1 sec latency 10703.597 ms 1 323 0.00 MB/sec execute 2 sec latency 11705.321 ms 1 323 0.00 MB/sec execute 3 sec latency 12707.036 ms Failover mds1 to oleg353-server mount facets: mds1 1 323 0.00 MB/sec execute 4 sec latency 13712.875 ms 1 323 0.00 MB/sec execute 5 sec latency 14715.775 ms 1 323 0.00 MB/sec execute 6 sec latency 15716.079 ms 1 323 0.00 MB/sec execute 7 sec latency 16716.248 ms 1 323 0.00 MB/sec execute 8 sec latency 17716.609 ms 1 323 0.00 MB/sec execute 9 sec latency 18716.776 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 323 0.00 MB/sec execute 10 sec latency 19718.942 ms 1 323 0.00 MB/sec execute 11 sec latency 20721.342 ms 1 323 0.00 MB/sec execute 12 sec latency 21721.586 ms 1 323 0.00 MB/sec execute 13 sec latency 22721.921 ms 1 323 0.00 MB/sec execute 14 sec latency 23724.398 ms 1 323 0.00 MB/sec execute 15 sec latency 24726.831 ms 1 323 0.00 MB/sec execute 16 sec latency 25727.100 ms 1 323 0.00 MB/sec execute 17 sec latency 26727.282 ms 1 323 0.00 MB/sec execute 18 sec latency 27727.496 ms 1 323 0.00 MB/sec execute 19 sec latency 28728.281 ms 1 323 0.00 MB/sec execute 20 sec latency 29734.100 ms 1 323 0.00 MB/sec execute 21 sec latency 30734.304 ms 1 323 0.00 MB/sec execute 22 sec latency 31734.495 ms 1 323 0.00 MB/sec execute 23 sec latency 32736.170 ms oleg353-server: oleg353-server.virtnet: executing set_default_debug -1 all 1 323 0.00 MB/sec execute 24 sec latency 33736.356 ms pdsh@oleg353-client: oleg353-server: ssh exited with exit code 1 1 323 0.00 MB/sec execute 25 sec latency 34736.600 ms Started lustre-MDT0000 09:04:35 (1789304675) targets are mounted 09:04:35 (1789304675) facet_failover done 1 323 0.00 MB/sec execute 26 sec latency 35736.821 ms 1 323 0.00 MB/sec execute 27 sec latency 36737.857 ms 1 323 0.00 MB/sec execute 28 sec latency 37738.416 ms 1 323 0.00 MB/sec execute 29 sec latency 38738.697 ms 1 323 0.00 MB/sec execute 30 sec latency 39740.087 ms 1 350 0.03 MB/sec execute 31 sec latency 39903.293 ms 1 389 0.06 MB/sec execute 32 sec latency 126.028 ms 1 429 0.10 MB/sec execute 33 sec latency 131.566 ms 1 470 0.14 MB/sec execute 34 sec latency 98.018 ms oleg353-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 506 0.16 MB/sec execute 35 sec latency 151.068 ms 1 542 0.20 MB/sec execute 36 sec latency 188.587 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 612 0.25 MB/sec execute 37 sec latency 167.927 ms 1 655 0.24 MB/sec execute 38 sec latency 148.427 ms 1 673 0.24 MB/sec execute 39 sec latency 308.325 ms 1 699 0.24 MB/sec execute 40 sec latency 153.424 ms 1 723 0.23 MB/sec execute 41 sec latency 352.164 ms 1 759 0.23 MB/sec execute 42 sec latency 101.458 ms 1 789 0.23 MB/sec execute 43 sec latency 112.626 ms 1 799 0.22 MB/sec execute 44 sec latency 421.363 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3715072 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3661824 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7376896 1% /mnt/lustre 1 825 0.22 MB/sec execute 45 sec latency 153.900 ms 1 870 0.22 MB/sec execute 46 sec latency 123.343 ms 1 885 0.21 MB/sec execute 47 sec latency 313.005 ms 1 913 0.21 MB/sec execute 48 sec latency 135.679 ms 1 939 0.20 MB/sec execute 49 sec latency 223.418 ms 1 970 0.20 MB/sec execute 50 sec latency 122.376 ms test_26 fail mds1 2 times 1 990 0.20 MB/sec execute 51 sec latency 310.983 ms 1 1051 0.21 MB/sec execute 52 sec latency 109.206 ms Failing mds1 on oleg353-server 1 1086 0.21 MB/sec execute 53 sec latency 102.967 ms Stopping /mnt/lustre-mds1 (opts:) on oleg353-server 1 1132 0.21 MB/sec execute 54 sec latency 105.827 ms 1 1173 0.20 MB/sec execute 55 sec latency 182.612 ms 1 1173 0.20 MB/sec execute 56 sec latency 1182.828 ms 1 1173 0.20 MB/sec execute 57 sec latency 2183.626 ms 09:05:07 (1789304707) shut down facet: mds1 facet_host: oleg353-server facet_failover_host: oleg353-server 1 1173 0.19 MB/sec execute 58 sec latency 3184.033 ms 1 1173 0.19 MB/sec execute 59 sec latency 4185.710 ms 1 1173 0.19 MB/sec execute 60 sec latency 5186.617 ms 1 1173 0.18 MB/sec execute 61 sec latency 6186.850 ms 1 1173 0.18 MB/sec execute 62 sec latency 7187.487 ms 1 1173 0.18 MB/sec execute 63 sec latency 8187.844 ms 1 1173 0.18 MB/sec execute 64 sec latency 9190.326 ms 1 1173 0.17 MB/sec execute 65 sec latency 10190.510 ms 1 1173 0.17 MB/sec execute 66 sec latency 11192.843 ms 1 1173 0.17 MB/sec execute 67 sec latency 12193.079 ms Failover mds1 to oleg353-server mount facets: mds1 1 1173 0.17 MB/sec execute 68 sec latency 13193.484 ms 1 1173 0.16 MB/sec execute 69 sec latency 14193.665 ms 1 1173 0.16 MB/sec execute 70 sec latency 15193.875 ms 1 1173 0.16 MB/sec execute 71 sec latency 16194.135 ms 1 1173 0.16 MB/sec execute 72 sec latency 17194.460 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1173 0.15 MB/sec execute 73 sec latency 18194.650 ms 1 1173 0.15 MB/sec execute 74 sec latency 19194.830 ms 1 1173 0.15 MB/sec execute 75 sec latency 20195.355 ms 1 1173 0.15 MB/sec execute 76 sec latency 21195.531 ms 1 1173 0.15 MB/sec execute 77 sec latency 22196.209 ms 1 1173 0.14 MB/sec execute 78 sec latency 23196.517 ms oleg353-server: oleg353-server.virtnet: executing set_default_debug -1 all 1 1173 0.14 MB/sec execute 79 sec latency 24197.240 ms pdsh@oleg353-client: oleg353-server: ssh exited with exit code 1 1 1173 0.14 MB/sec execute 80 sec latency 25199.046 ms Started lustre-MDT0000 09:05:30 (1789304730) targets are mounted 09:05:30 (1789304730) facet_failover done 1 1173 0.14 MB/sec execute 81 sec latency 26199.291 ms 1 1173 0.14 MB/sec execute 82 sec latency 27204.625 ms 1 1173 0.14 MB/sec execute 83 sec latency 28215.985 ms 1 1173 0.13 MB/sec execute 84 sec latency 29216.192 ms 1 1173 0.13 MB/sec execute 85 sec latency 30216.347 ms 1 1173 0.13 MB/sec execute 86 sec latency 31216.648 ms 1 1173 0.13 MB/sec execute 87 sec latency 32217.512 ms 1 1173 0.13 MB/sec execute 88 sec latency 33231.629 ms 1 1173 0.13 MB/sec execute 89 sec latency 34234.035 ms 1 1173 0.13 MB/sec execute 90 sec latency 35234.241 ms 1 1173 0.12 MB/sec execute 91 sec latency 36234.829 ms 1 1173 0.12 MB/sec execute 92 sec latency 37235.651 ms 1 1173 0.12 MB/sec execute 93 sec latency 38236.516 ms 1 1173 0.12 MB/sec execute 94 sec latency 39236.663 ms 1 1173 0.12 MB/sec execute 95 sec latency 40243.756 ms 1 1173 0.12 MB/sec execute 96 sec latency 41244.237 ms 1 1181 0.12 MB/sec execute 97 sec latency 41884.023 ms 1 1223 0.12 MB/sec execute 98 sec latency 95.754 ms 1 1261 0.11 MB/sec execute 99 sec latency 104.234 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg353-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 141 657.563 41883.993 Close 130 13.548 35.633 Rename 10 91.174 151.732 Unlink 17 30.696 57.262 Qpathinfo 92 27.551 117.670 Qfileinfo 55 2.410 12.945 Qfsinfo 33 4.808 30.097 Sfileinfo 34 63.662 116.447 Find 45 9.754 77.030 WriteX 262 13.957 74.677 ReadX 219 3.340 105.870 Flush 24 169.563 421.347 Throughput 0.114632 MB/sec 1 clients 1 procs max_latency=41884.023 ms stopping dbench on /mnt/lustre at Sun Sep 13 09:05:53 EDT 2026 with return code 0 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 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 Sun Sep 13 09:06:00 EDT 2026 waiting for dbench pid 47231 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3719168 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 64512 3679232 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 75776 7398400 2% /mnt/lustre 1 31 1.04 MB/sec warmup 1 sec latency 27.680 ms 1 82 1.83 MB/sec warmup 2 sec latency 179.069 ms 1 121 1.83 MB/sec warmup 3 sec latency 231.687 ms 1 153 1.62 MB/sec warmup 4 sec latency 164.882 ms 1 181 1.46 MB/sec warmup 5 sec latency 173.446 ms 1 212 1.37 MB/sec warmup 6 sec latency 170.992 ms 1 255 1.38 MB/sec warmup 7 sec latency 116.286 ms test_26 fail mds1 3 times 1 289 1.34 MB/sec warmup 8 sec latency 132.637 ms 1 323 1.30 MB/sec warmup 9 sec latency 183.375 ms Failing mds1 on oleg353-server 1 356 1.28 MB/sec warmup 10 sec latency 134.136 ms Stopping /mnt/lustre-mds1 (opts:) on oleg353-server 1 390 1.25 MB/sec warmup 11 sec latency 128.650 ms 1 428 1.26 MB/sec warmup 12 sec latency 115.067 ms 1 428 1.16 MB/sec warmup 13 sec latency 1034.805 ms 1 428 1.08 MB/sec warmup 14 sec latency 2035.677 ms 1 428 1.01 MB/sec warmup 15 sec latency 3036.185 ms 1 428 0.94 MB/sec warmup 16 sec latency 4041.676 ms 09:06:16 (1789304776) shut down facet: mds1 facet_host: oleg353-server facet_failover_host: oleg353-server 1 428 0.89 MB/sec warmup 17 sec latency 5042.019 ms 1 428 0.84 MB/sec warmup 18 sec latency 6042.747 ms 1 428 0.79 MB/sec warmup 19 sec latency 7043.015 ms 1 428 0.00 MB/sec execute 1 sec latency 9047.185 ms 1 428 0.00 MB/sec execute 2 sec latency 10047.373 ms 1 428 0.00 MB/sec execute 3 sec latency 11047.563 ms 1 428 0.00 MB/sec execute 4 sec latency 12047.764 ms 1 428 0.00 MB/sec execute 5 sec latency 13048.176 ms 1 428 0.00 MB/sec execute 6 sec latency 14048.898 ms 1 428 0.00 MB/sec execute 7 sec latency 15058.128 ms Failover mds1 to oleg353-server mount facets: mds1 1 428 0.00 MB/sec execute 8 sec latency 16059.004 ms 1 428 0.00 MB/sec execute 9 sec latency 17059.481 ms 1 428 0.00 MB/sec execute 10 sec latency 18059.985 ms 1 428 0.00 MB/sec execute 11 sec latency 19060.257 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 428 0.00 MB/sec execute 12 sec latency 20060.627 ms 1 428 0.00 MB/sec execute 13 sec latency 21060.905 ms 1 428 0.00 MB/sec execute 14 sec latency 22061.416 ms 1 428 0.00 MB/sec execute 15 sec latency 23062.191 ms 1 428 0.00 MB/sec execute 16 sec latency 24072.945 ms 1 428 0.00 MB/sec execute 17 sec latency 25074.891 ms 1 428 0.00 MB/sec execute 18 sec latency 26075.179 ms 1 428 0.00 MB/sec execute 19 sec latency 27075.837 ms 1 428 0.00 MB/sec execute 20 sec latency 28076.043 ms 1 428 0.00 MB/sec execute 21 sec latency 29078.007 ms 1 428 0.00 MB/sec execute 22 sec latency 30078.860 ms 1 428 0.00 MB/sec execute 23 sec latency 31079.184 ms 1 428 0.00 MB/sec execute 24 sec latency 32081.186 ms 1 428 0.00 MB/sec execute 25 sec latency 33084.168 ms 1 428 0.00 MB/sec execute 26 sec latency 34084.463 ms oleg353-server: oleg353-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 27 sec latency 35084.681 ms pdsh@oleg353-client: oleg353-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 28 sec latency 36085.181 ms Started lustre-MDT0000 09:06:48 (1789304808) targets are mounted 09:06:48 (1789304808) facet_failover done 1 428 0.00 MB/sec execute 29 sec latency 37085.461 ms 1 428 0.00 MB/sec execute 30 sec latency 38085.623 ms 1 428 0.00 MB/sec execute 31 sec latency 39085.873 ms 1 428 0.00 MB/sec execute 32 sec latency 40087.865 ms 1 428 0.00 MB/sec execute 33 sec latency 41088.051 ms 1 428 0.00 MB/sec execute 34 sec latency 42088.476 ms 1 428 0.00 MB/sec execute 35 sec latency 43088.661 ms 1 428 0.00 MB/sec execute 36 sec latency 44090.601 ms 1 428 0.00 MB/sec execute 37 sec latency 45090.790 ms 1 428 0.00 MB/sec execute 38 sec latency 46091.195 ms 1 428 0.00 MB/sec execute 39 sec latency 47091.380 ms 1 428 0.00 MB/sec execute 40 sec latency 48091.991 ms 1 428 0.00 MB/sec execute 41 sec latency 49093.145 ms 1 428 0.00 MB/sec execute 42 sec latency 50093.357 ms 1 428 0.00 MB/sec execute 43 sec latency 51093.583 ms 1 428 0.00 MB/sec execute 44 sec latency 52093.884 ms 1 428 0.00 MB/sec execute 45 sec latency 53095.594 ms 1 428 0.00 MB/sec execute 46 sec latency 54096.322 ms 1 428 0.00 MB/sec execute 47 sec latency 55096.917 ms 1 451 0.01 MB/sec execute 48 sec latency 55188.579 ms 1 491 0.04 MB/sec execute 49 sec latency 148.465 ms 1 514 0.05 MB/sec execute 50 sec latency 159.017 ms 1 598 0.11 MB/sec execute 51 sec latency 232.441 ms 1 648 0.11 MB/sec execute 52 sec latency 147.332 ms oleg353-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 671 0.11 MB/sec execute 53 sec latency 279.573 ms 1 692 0.11 MB/sec execute 54 sec latency 153.338 ms 1 713 0.11 MB/sec execute 55 sec latency 149.372 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 731 0.11 MB/sec execute 56 sec latency 339.002 ms 1 761 0.11 MB/sec execute 57 sec latency 110.090 ms 1 789 0.11 MB/sec execute 58 sec latency 126.755 ms 1 799 0.11 MB/sec execute 59 sec latency 473.874 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 845 0.11 MB/sec execute 60 sec latency 171.132 ms 1 873 0.11 MB/sec execute 61 sec latency 321.295 ms 1 903 0.11 MB/sec execute 62 sec latency 324.854 ms 1 923 0.11 MB/sec execute 63 sec latency 318.402 ms 1 966 0.10 MB/sec execute 64 sec latency 108.016 ms 1 988 0.10 MB/sec execute 65 sec latency 250.258 ms 1 1067 0.12 MB/sec execute 66 sec latency 73.296 ms 1 1132 0.12 MB/sec execute 67 sec latency 62.190 ms 1 1179 0.12 MB/sec execute 68 sec latency 128.516 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 13 09:07:28 EDT 2026 with return code 0 47231 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47231 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished