== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:09:22 (1775196562) Starting client oleg123-client.virtnet: -o user_xattr,flock 192.168.201.123@tcp:/lustre /mnt/lustre Started clients oleg123-client.virtnet: 192.168.201.123@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44809 Started dbench loop with 44811 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 3749888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7515136 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 Apr 3 02:09:34 EDT 2026 waiting for dbench pid 44888 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 14 0.00 MB/sec warmup 1 sec latency 3.664 ms 1 41 0.75 MB/sec warmup 2 sec latency 203.899 ms 1 81 1.20 MB/sec warmup 3 sec latency 170.885 ms 1 117 1.33 MB/sec warmup 4 sec latency 198.514 ms test_26 fail mds1 1 times 1 139 1.20 MB/sec warmup 5 sec latency 175.189 ms 1 160 1.09 MB/sec warmup 6 sec latency 213.612 ms 1 182 1.04 MB/sec warmup 7 sec latency 219.889 ms Failing mds1 on oleg123-server 1 207 1.01 MB/sec warmup 8 sec latency 252.069 ms Stopping /mnt/lustre-mds1 (opts:) on oleg123-server 1 242 1.01 MB/sec warmup 9 sec latency 113.141 ms 1 270 1.02 MB/sec warmup 10 sec latency 150.634 ms 1 270 0.92 MB/sec warmup 11 sec latency 1136.244 ms 1 270 0.85 MB/sec warmup 12 sec latency 2141.167 ms 1 270 0.78 MB/sec warmup 13 sec latency 3141.669 ms 02:09:48 (1775196588) shut down facet: mds1 facet_host: oleg123-server facet_failover_host: oleg123-server 1 270 0.73 MB/sec warmup 14 sec latency 4143.625 ms 1 270 0.68 MB/sec warmup 15 sec latency 5143.862 ms 1 270 0.64 MB/sec warmup 16 sec latency 6144.103 ms 1 270 0.60 MB/sec warmup 17 sec latency 7144.355 ms 1 270 0.56 MB/sec warmup 18 sec latency 8145.770 ms 1 270 0.54 MB/sec warmup 19 sec latency 9146.054 ms 1 270 0.00 MB/sec execute 1 sec latency 11150.499 ms 1 270 0.00 MB/sec execute 2 sec latency 12150.865 ms 1 270 0.00 MB/sec execute 3 sec latency 13153.785 ms 1 270 0.00 MB/sec execute 4 sec latency 14163.705 ms Failover mds1 to oleg123-server mount facets: mds1 1 270 0.00 MB/sec execute 5 sec latency 15164.158 ms 1 270 0.00 MB/sec execute 6 sec latency 16164.504 ms 1 270 0.00 MB/sec execute 7 sec latency 17166.311 ms 1 270 0.00 MB/sec execute 8 sec latency 18167.583 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 270 0.00 MB/sec execute 9 sec latency 19168.907 ms 1 270 0.00 MB/sec execute 10 sec latency 20169.171 ms 1 270 0.00 MB/sec execute 11 sec latency 21178.229 ms 1 270 0.00 MB/sec execute 12 sec latency 22178.553 ms 1 270 0.00 MB/sec execute 13 sec latency 23185.174 ms 1 270 0.00 MB/sec execute 14 sec latency 24188.677 ms 1 270 0.00 MB/sec execute 15 sec latency 25188.952 ms 1 270 0.00 MB/sec execute 16 sec latency 26189.307 ms 1 270 0.00 MB/sec execute 17 sec latency 27195.733 ms 1 270 0.00 MB/sec execute 18 sec latency 28200.976 ms 1 270 0.00 MB/sec execute 19 sec latency 29201.177 ms 1 270 0.00 MB/sec execute 20 sec latency 30201.391 ms 1 270 0.00 MB/sec execute 21 sec latency 31201.672 ms oleg123-server: oleg123-server.virtnet: executing set_default_debug -1 all 1 270 0.00 MB/sec execute 22 sec latency 32203.440 ms pdsh@oleg123-client: oleg123-server: ssh exited with exit code 1 1 270 0.00 MB/sec execute 23 sec latency 33207.015 ms Started lustre-MDT0000 02:10:18 (1775196618) targets are mounted 02:10:18 (1775196618) facet_failover done 1 270 0.00 MB/sec execute 24 sec latency 34209.536 ms 1 270 0.00 MB/sec execute 25 sec latency 35209.709 ms 1 270 0.00 MB/sec execute 26 sec latency 36209.990 ms 1 270 0.00 MB/sec execute 27 sec latency 37212.262 ms 1 270 0.00 MB/sec execute 28 sec latency 38212.513 ms 1 270 0.00 MB/sec execute 29 sec latency 39214.168 ms 1 270 0.00 MB/sec execute 30 sec latency 40214.322 ms 1 270 0.00 MB/sec execute 31 sec latency 41214.582 ms 1 270 0.00 MB/sec execute 32 sec latency 42215.761 ms 1 271 0.00 MB/sec execute 33 sec latency 43132.607 ms 1 297 0.02 MB/sec execute 34 sec latency 335.847 ms 1 332 0.05 MB/sec execute 35 sec latency 197.298 ms oleg123-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 373 0.09 MB/sec execute 36 sec latency 161.201 ms 1 404 0.11 MB/sec execute 37 sec latency 160.334 ms 1 427 0.13 MB/sec execute 38 sec latency 310.817 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 458 0.15 MB/sec execute 39 sec latency 179.004 ms 1 490 0.17 MB/sec execute 40 sec latency 188.925 ms 1 516 0.18 MB/sec execute 41 sec latency 177.170 ms 1 594 0.25 MB/sec execute 42 sec latency 124.710 ms 1 649 0.25 MB/sec execute 43 sec latency 116.909 ms 1 689 0.25 MB/sec execute 44 sec latency 140.547 ms 1 712 0.24 MB/sec execute 45 sec latency 197.656 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 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3739648 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7446528 1% /mnt/lustre 1 730 0.24 MB/sec execute 46 sec latency 356.166 ms 1 749 0.24 MB/sec execute 47 sec latency 243.438 ms 1 779 0.23 MB/sec execute 48 sec latency 142.736 ms 1 798 0.23 MB/sec execute 49 sec latency 229.650 ms 1 820 0.23 MB/sec execute 50 sec latency 162.858 ms 1 873 0.22 MB/sec execute 51 sec latency 140.175 ms test_26 fail mds1 2 times 1 888 0.22 MB/sec execute 52 sec latency 317.478 ms 1 905 0.22 MB/sec execute 53 sec latency 227.789 ms 1 916 0.21 MB/sec execute 54 sec latency 463.910 ms Failing mds1 on oleg123-server 1 943 0.21 MB/sec execute 55 sec latency 182.845 ms Stopping /mnt/lustre-mds1 (opts:) on oleg123-server 1 965 0.21 MB/sec execute 56 sec latency 201.998 ms 1 981 0.21 MB/sec execute 57 sec latency 300.720 ms 1 981 0.20 MB/sec execute 58 sec latency 1074.502 ms 1 981 0.20 MB/sec execute 59 sec latency 2074.683 ms 02:10:54 (1775196654) shut down facet: mds1 facet_host: oleg123-server facet_failover_host: oleg123-server 1 981 0.19 MB/sec execute 60 sec latency 3074.867 ms 1 981 0.19 MB/sec execute 61 sec latency 4075.688 ms 1 981 0.19 MB/sec execute 62 sec latency 5075.972 ms 1 981 0.19 MB/sec execute 63 sec latency 6077.323 ms 1 981 0.18 MB/sec execute 64 sec latency 7077.688 ms 1 981 0.18 MB/sec execute 65 sec latency 8077.924 ms 1 981 0.18 MB/sec execute 66 sec latency 9079.259 ms 1 981 0.17 MB/sec execute 67 sec latency 10079.480 ms 1 981 0.17 MB/sec execute 68 sec latency 11081.567 ms 1 981 0.17 MB/sec execute 69 sec latency 12081.877 ms Failover mds1 to oleg123-server 1 981 0.17 MB/sec execute 70 sec latency 13084.309 ms mount facets: mds1 1 981 0.16 MB/sec execute 71 sec latency 14084.581 ms 1 981 0.16 MB/sec execute 72 sec latency 15084.820 ms 1 981 0.16 MB/sec execute 73 sec latency 16085.087 ms 1 981 0.16 MB/sec execute 74 sec latency 17086.968 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 981 0.16 MB/sec execute 75 sec latency 18088.298 ms 1 981 0.15 MB/sec execute 76 sec latency 19089.499 ms 1 981 0.15 MB/sec execute 77 sec latency 20089.829 ms 1 981 0.15 MB/sec execute 78 sec latency 21090.371 ms 1 981 0.15 MB/sec execute 79 sec latency 22090.681 ms 1 981 0.15 MB/sec execute 80 sec latency 23090.892 ms 1 981 0.14 MB/sec execute 81 sec latency 24091.179 ms oleg123-server: oleg123-server.virtnet: executing set_default_debug -1 all 1 981 0.14 MB/sec execute 82 sec latency 25091.398 ms 1 981 0.14 MB/sec execute 83 sec latency 26091.619 ms pdsh@oleg123-client: oleg123-server: ssh exited with exit code 1 1 981 0.14 MB/sec execute 84 sec latency 27092.118 ms Started lustre-MDT0000 02:11:19 (1775196679) targets are mounted 02:11:19 (1775196679) facet_failover done 1 981 0.14 MB/sec execute 85 sec latency 28092.315 ms 1 981 0.14 MB/sec execute 86 sec latency 29092.885 ms 1 981 0.13 MB/sec execute 87 sec latency 30093.147 ms 1 981 0.13 MB/sec execute 88 sec latency 31093.369 ms 1 981 0.13 MB/sec execute 89 sec latency 32093.546 ms 1 981 0.13 MB/sec execute 90 sec latency 33093.738 ms 1 981 0.13 MB/sec execute 91 sec latency 34093.964 ms 1 981 0.13 MB/sec execute 92 sec latency 35094.992 ms 1 981 0.13 MB/sec execute 93 sec latency 36095.271 ms 1 981 0.12 MB/sec execute 94 sec latency 37097.168 ms 1 981 0.12 MB/sec execute 95 sec latency 38097.353 ms 1 981 0.12 MB/sec execute 96 sec latency 39099.731 ms 1 981 0.12 MB/sec execute 97 sec latency 40101.896 ms 1 984 0.12 MB/sec execute 98 sec latency 40799.558 ms 1 1031 0.13 MB/sec execute 99 sec latency 131.067 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg123-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 113 102.433 335.832 Close 105 425.671 43132.340 Rename 4 165.989 197.632 Unlink 11 32.717 73.345 Qpathinfo 39 27.799 146.722 Qfileinfo 55 2.152 10.044 Qfsinfo 23 4.736 23.719 Sfileinfo 18 2335.289 40799.544 Find 29 9.887 88.219 WriteX 275 16.530 124.695 ReadX 98 5.166 83.252 Flush 24 179.916 463.895 Throughput 0.12805 MB/sec 1 clients 1 procs max_latency=43132.607 ms stopping dbench on /mnt/lustre at Fri Apr 3 02:11:39 EDT 2026 with return code 0 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 Fri Apr 3 02:11:45 EDT 2026 waiting for dbench pid 46846 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 26624 3735552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3747840 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7483392 1% /mnt/lustre 1 41 1.51 MB/sec warmup 1 sec latency 97.863 ms 1 89 2.06 MB/sec warmup 2 sec latency 140.583 ms 1 121 1.83 MB/sec warmup 3 sec latency 166.586 ms 1 147 1.57 MB/sec warmup 4 sec latency 153.689 ms 1 165 1.36 MB/sec warmup 5 sec latency 228.292 ms 1 197 1.31 MB/sec warmup 6 sec latency 183.357 ms 1 231 1.27 MB/sec warmup 7 sec latency 144.595 ms test_26 fail mds1 3 times 1 263 1.24 MB/sec warmup 8 sec latency 200.310 ms 1 292 1.19 MB/sec warmup 9 sec latency 183.326 ms Failing mds1 on oleg123-server 1 332 1.20 MB/sec warmup 10 sec latency 153.077 ms Stopping /mnt/lustre-mds1 (opts:) on oleg123-server 1 365 1.18 MB/sec warmup 11 sec latency 202.590 ms 1 373 1.11 MB/sec warmup 12 sec latency 808.170 ms 1 373 1.02 MB/sec warmup 13 sec latency 1809.034 ms 1 373 0.95 MB/sec warmup 14 sec latency 2809.209 ms 1 373 0.89 MB/sec warmup 15 sec latency 3811.413 ms 02:12:00 (1775196720) shut down facet: mds1 facet_host: oleg123-server facet_failover_host: oleg123-server 1 373 0.83 MB/sec warmup 16 sec latency 4811.837 ms 1 373 0.78 MB/sec warmup 17 sec latency 5812.956 ms 1 373 0.74 MB/sec warmup 18 sec latency 6813.216 ms 1 373 0.70 MB/sec warmup 19 sec latency 7813.810 ms 1 373 0.00 MB/sec execute 1 sec latency 9814.355 ms 1 373 0.00 MB/sec execute 2 sec latency 10814.892 ms 1 373 0.00 MB/sec execute 3 sec latency 11815.182 ms 1 373 0.00 MB/sec execute 4 sec latency 12815.430 ms 1 373 0.00 MB/sec execute 5 sec latency 13815.875 ms Failover mds1 to oleg123-server mount facets: mds1 1 373 0.00 MB/sec execute 6 sec latency 14816.238 ms 1 373 0.00 MB/sec execute 7 sec latency 15816.622 ms 1 373 0.00 MB/sec execute 8 sec latency 16817.074 ms 1 373 0.00 MB/sec execute 9 sec latency 17817.778 ms 1 373 0.00 MB/sec execute 10 sec latency 18818.758 ms 1 373 0.00 MB/sec execute 11 sec latency 19821.245 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 373 0.00 MB/sec execute 12 sec latency 20821.457 ms 1 373 0.00 MB/sec execute 13 sec latency 21824.454 ms 1 373 0.00 MB/sec execute 14 sec latency 22825.776 ms 1 373 0.00 MB/sec execute 15 sec latency 23825.970 ms 1 373 0.00 MB/sec execute 16 sec latency 24826.358 ms 1 373 0.00 MB/sec execute 17 sec latency 25829.493 ms 1 373 0.00 MB/sec execute 18 sec latency 26835.249 ms 1 373 0.00 MB/sec execute 19 sec latency 27838.835 ms 1 373 0.00 MB/sec execute 20 sec latency 28839.000 ms 1 373 0.00 MB/sec execute 21 sec latency 29842.142 ms 1 373 0.00 MB/sec execute 22 sec latency 30842.996 ms 1 373 0.00 MB/sec execute 23 sec latency 31843.415 ms 1 373 0.00 MB/sec execute 24 sec latency 32843.610 ms oleg123-server: oleg123-server.virtnet: executing set_default_debug -1 all 1 373 0.00 MB/sec execute 25 sec latency 33843.827 ms pdsh@oleg123-client: oleg123-server: ssh exited with exit code 1 1 373 0.00 MB/sec execute 26 sec latency 34844.031 ms Started lustre-MDT0000 02:12:32 (1775196752) targets are mounted 02:12:32 (1775196752) facet_failover done 1 373 0.00 MB/sec execute 27 sec latency 35844.371 ms 1 373 0.00 MB/sec execute 28 sec latency 36844.620 ms 1 373 0.00 MB/sec execute 29 sec latency 37844.842 ms 1 373 0.00 MB/sec execute 30 sec latency 38845.343 ms 1 373 0.00 MB/sec execute 31 sec latency 39845.564 ms 1 373 0.00 MB/sec execute 32 sec latency 40847.825 ms 1 373 0.00 MB/sec execute 33 sec latency 41848.545 ms 1 373 0.00 MB/sec execute 34 sec latency 42848.762 ms 1 373 0.00 MB/sec execute 35 sec latency 43848.991 ms 1 373 0.00 MB/sec execute 36 sec latency 44849.367 ms 1 373 0.00 MB/sec execute 37 sec latency 45849.578 ms 1 373 0.00 MB/sec execute 38 sec latency 46849.772 ms 1 373 0.00 MB/sec execute 39 sec latency 47850.040 ms 1 373 0.00 MB/sec execute 40 sec latency 48850.288 ms 1 373 0.00 MB/sec execute 41 sec latency 49852.638 ms 1 373 0.00 MB/sec execute 42 sec latency 50852.883 ms 1 373 0.00 MB/sec execute 43 sec latency 51853.149 ms 1 389 0.01 MB/sec execute 44 sec latency 52359.009 ms 1 422 0.03 MB/sec execute 45 sec latency 151.393 ms 1 461 0.06 MB/sec execute 46 sec latency 142.953 ms oleg123-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 493 0.08 MB/sec execute 47 sec latency 181.133 ms 1 522 0.10 MB/sec execute 48 sec latency 212.934 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 595 0.15 MB/sec execute 49 sec latency 182.854 ms 1 648 0.16 MB/sec execute 50 sec latency 116.493 ms 1 672 0.15 MB/sec execute 51 sec latency 286.197 ms 1 708 0.15 MB/sec execute 52 sec latency 118.488 ms 1 728 0.15 MB/sec execute 53 sec latency 238.082 ms 1 769 0.15 MB/sec execute 54 sec latency 128.644 ms 1 798 0.15 MB/sec execute 55 sec latency 205.876 ms 1 845 0.15 MB/sec execute 56 sec latency 129.185 ms 1 882 0.15 MB/sec execute 57 sec latency 166.683 ms 1 913 0.15 MB/sec execute 58 sec latency 228.407 ms 1 955 0.14 MB/sec execute 59 sec latency 239.272 ms 1 990 0.14 MB/sec execute 60 sec latency 257.480 ms 1 1062 0.16 MB/sec execute 61 sec latency 114.750 ms 1 1124 0.16 MB/sec execute 62 sec latency 95.815 ms 1 1172 0.15 MB/sec execute 63 sec latency 112.220 ms 1 1225 0.15 MB/sec execute 64 sec latency 72.912 ms 1 1263 0.15 MB/sec execute 65 sec latency 115.140 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Apr 3 02:13:11 EDT 2026 with return code 0 1 1390 0.19 MB/sec execute 66 sec latency 151.602 ms 46846 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46846 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished