== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:46:09 (1789127169) Starting client oleg655-client.virtnet: -o user_xattr,flock 192.168.206.155@tcp:/lustre /mnt/lustre Started clients oleg655-client.virtnet: 192.168.206.155@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 65924 Started dbench loop with 65925 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 1414116 1936 1269368 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3605452 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1548 3580640 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3116 7186092 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 11 07:46:14 EDT 2026 waiting for dbench pid 65996 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 34 1.05 MB/sec warmup 1 sec latency 85.111 ms 1 111 2.62 MB/sec warmup 2 sec latency 101.082 ms 1 140 2.01 MB/sec warmup 3 sec latency 168.222 ms 1 177 1.78 MB/sec warmup 4 sec latency 142.874 ms 1 200 1.57 MB/sec warmup 5 sec latency 395.781 ms 1 234 1.48 MB/sec warmup 6 sec latency 148.919 ms 1 279 1.49 MB/sec warmup 7 sec latency 84.933 ms 1 316 1.43 MB/sec warmup 8 sec latency 111.134 ms test_26 fail mds1 1 times 1 365 1.45 MB/sec warmup 9 sec latency 99.269 ms 1 405 1.43 MB/sec warmup 10 sec latency 139.879 ms Failing mds1 on oleg655-server 1 445 1.42 MB/sec warmup 11 sec latency 195.518 ms Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 490 1.42 MB/sec warmup 12 sec latency 103.193 ms 1 533 1.43 MB/sec warmup 13 sec latency 131.253 ms 1 606 1.50 MB/sec warmup 14 sec latency 200.715 ms 07:46:28 (1789127188) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 606 1.40 MB/sec warmup 15 sec latency 1201.004 ms 1 606 1.31 MB/sec warmup 16 sec latency 2201.309 ms 1 606 1.23 MB/sec warmup 17 sec latency 3201.835 ms 1 606 1.16 MB/sec warmup 18 sec latency 4202.014 ms 1 606 1.10 MB/sec warmup 19 sec latency 5202.194 ms 1 606 0.00 MB/sec execute 1 sec latency 7208.694 ms 1 606 0.00 MB/sec execute 2 sec latency 8210.544 ms 1 606 0.00 MB/sec execute 3 sec latency 9212.162 ms 1 606 0.00 MB/sec execute 4 sec latency 10212.472 ms 1 606 0.00 MB/sec execute 5 sec latency 11218.497 ms Failover mds1 to oleg655-server mount facets: mds1 1 606 0.00 MB/sec execute 6 sec latency 12221.938 ms 1 606 0.00 MB/sec execute 7 sec latency 13222.149 ms 1 606 0.00 MB/sec execute 8 sec latency 14224.695 ms 1 606 0.00 MB/sec execute 9 sec latency 15224.896 ms 1 606 0.00 MB/sec execute 10 sec latency 16230.828 ms 1 606 0.00 MB/sec execute 11 sec latency 17231.010 ms 1 606 0.00 MB/sec execute 12 sec latency 18231.247 ms 1 606 0.00 MB/sec execute 13 sec latency 19231.929 ms 1 606 0.00 MB/sec execute 14 sec latency 20232.154 ms 1 606 0.00 MB/sec execute 15 sec latency 21232.387 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 16 sec latency 22233.510 ms 1 606 0.00 MB/sec execute 17 sec latency 23234.027 ms 1 606 0.00 MB/sec execute 18 sec latency 24235.256 ms 1 606 0.00 MB/sec execute 19 sec latency 25235.495 ms 1 606 0.00 MB/sec execute 20 sec latency 26236.909 ms 1 606 0.00 MB/sec execute 21 sec latency 27239.220 ms 1 606 0.00 MB/sec execute 22 sec latency 28239.486 ms 1 606 0.00 MB/sec execute 23 sec latency 29241.839 ms 1 606 0.00 MB/sec execute 24 sec latency 30242.461 ms 1 606 0.00 MB/sec execute 25 sec latency 31243.285 ms 1 606 0.00 MB/sec execute 26 sec latency 32243.526 ms 1 606 0.00 MB/sec execute 27 sec latency 33243.713 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 28 sec latency 34245.089 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 29 sec latency 35245.309 ms Started lustre-MDT0000 07:47:04 (1789127224) targets are mounted 07:47:04 (1789127224) facet_failover done 1 606 0.00 MB/sec execute 30 sec latency 36245.479 ms 1 606 0.00 MB/sec execute 31 sec latency 37246.388 ms 1 616 0.00 MB/sec execute 32 sec latency 38012.218 ms 1 678 0.01 MB/sec execute 33 sec latency 82.476 ms 1 720 0.01 MB/sec execute 34 sec latency 116.904 ms 1 738 0.01 MB/sec execute 35 sec latency 451.687 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.01 MB/sec execute 36 sec latency 96.772 ms 1 806 0.01 MB/sec execute 37 sec latency 144.691 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 858 0.02 MB/sec execute 38 sec latency 107.585 ms 1 888 0.02 MB/sec execute 39 sec latency 144.148 ms 1 931 0.02 MB/sec execute 40 sec latency 85.215 ms 1 967 0.02 MB/sec execute 41 sec latency 116.426 ms 1 1029 0.05 MB/sec execute 42 sec latency 118.101 ms 1 1105 0.05 MB/sec execute 43 sec latency 76.926 ms 1 1145 0.05 MB/sec execute 44 sec latency 101.002 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 22480 3582648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 36516 3570196 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58996 7152844 1% /mnt/lustre 1 1179 0.05 MB/sec execute 45 sec latency 112.645 ms 1 1221 0.05 MB/sec execute 46 sec latency 108.745 ms 1 1255 0.04 MB/sec execute 47 sec latency 100.480 ms 1 1319 0.07 MB/sec execute 48 sec latency 173.356 ms 1 1398 0.10 MB/sec execute 49 sec latency 364.953 ms 1 1439 0.10 MB/sec execute 50 sec latency 120.694 ms 1 1481 0.10 MB/sec execute 51 sec latency 102.400 ms 1 1511 0.10 MB/sec execute 52 sec latency 154.899 ms 1 1538 0.10 MB/sec execute 53 sec latency 203.308 ms 1 1576 0.10 MB/sec execute 54 sec latency 219.705 ms test_26 fail mds2 2 times 1 1612 0.09 MB/sec execute 55 sec latency 87.534 ms 1 1655 0.09 MB/sec execute 56 sec latency 129.978 ms Failing mds2 on oleg655-server 1 1695 0.09 MB/sec execute 57 sec latency 97.682 ms Stopping /mnt/lustre-mds2 (opts:) on oleg655-server 1 1773 0.09 MB/sec execute 58 sec latency 98.275 ms 1 1849 0.09 MB/sec execute 59 sec latency 91.418 ms 1 1942 0.09 MB/sec execute 60 sec latency 70.779 ms 1 1999 0.09 MB/sec execute 61 sec latency 102.407 ms 1 2102 0.09 MB/sec execute 62 sec latency 65.567 ms 1 2185 0.09 MB/sec execute 63 sec latency 55.040 ms 1 2259 0.09 MB/sec execute 64 sec latency 364.167 ms 1 2259 0.09 MB/sec execute 65 sec latency 1364.299 ms 1 2259 0.09 MB/sec execute 66 sec latency 2366.613 ms 07:47:41 (1789127261) shut down 1 2259 0.09 MB/sec execute 67 sec latency 3372.420 ms facet: mds2 facet_host: oleg655-server facet_failover_host: oleg655-server 1 2259 0.09 MB/sec execute 68 sec latency 4372.611 ms 1 2259 0.08 MB/sec execute 69 sec latency 5373.171 ms 1 2259 0.08 MB/sec execute 70 sec latency 6373.347 ms 1 2259 0.08 MB/sec execute 71 sec latency 7373.547 ms 1 2259 0.08 MB/sec execute 72 sec latency 8381.362 ms 1 2259 0.08 MB/sec execute 73 sec latency 9383.449 ms 1 2259 0.08 MB/sec execute 74 sec latency 10384.040 ms 1 2259 0.08 MB/sec execute 75 sec latency 11385.385 ms 1 2259 0.08 MB/sec execute 76 sec latency 12385.615 ms 1 2259 0.08 MB/sec execute 77 sec latency 13385.935 ms Failover mds2 to oleg655-server mount facets: mds2 1 2259 0.07 MB/sec execute 78 sec latency 14386.152 ms 1 2259 0.07 MB/sec execute 79 sec latency 15387.775 ms 1 2259 0.07 MB/sec execute 80 sec latency 16387.968 ms 1 2259 0.07 MB/sec execute 81 sec latency 17388.187 ms 1 2259 0.07 MB/sec execute 82 sec latency 18394.657 ms 1 2259 0.07 MB/sec execute 83 sec latency 19401.193 ms 1 2259 0.07 MB/sec execute 84 sec latency 20401.926 ms 1 2259 0.07 MB/sec execute 85 sec latency 21402.266 ms 1 2259 0.07 MB/sec execute 86 sec latency 22402.547 ms 1 2259 0.07 MB/sec execute 87 sec latency 23403.279 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.07 MB/sec execute 88 sec latency 24403.643 ms 1 2259 0.07 MB/sec execute 89 sec latency 25404.194 ms 1 2259 0.06 MB/sec execute 90 sec latency 26404.576 ms 1 2259 0.06 MB/sec execute 91 sec latency 27404.923 ms 1 2259 0.06 MB/sec execute 92 sec latency 28405.084 ms 1 2259 0.06 MB/sec execute 93 sec latency 29406.421 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 2259 0.06 MB/sec execute 94 sec latency 30408.873 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 2259 0.06 MB/sec execute 95 sec latency 31409.037 ms Started lustre-MDT0001 07:48:10 (1789127290) targets are mounted 07:48:10 (1789127290) facet_failover done 1 2259 0.06 MB/sec execute 96 sec latency 32409.306 ms 1 2337 0.07 MB/sec execute 97 sec latency 32569.244 ms 1 2368 0.07 MB/sec execute 98 sec latency 132.786 ms 1 2405 0.07 MB/sec execute 99 sec latency 110.917 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 334 143.835 32569.232 Close 286 10.895 55.577 Rename 14 87.336 144.661 Unlink 34 29.910 72.828 Qpathinfo 321 133.427 38012.198 Qfileinfo 59 2.395 24.263 Qfsinfo 36 3.644 15.995 Sfileinfo 44 57.276 135.699 Find 108 11.066 41.386 WriteX 180 11.882 91.664 ReadX 382 3.500 121.958 Flush 33 55.705 169.337 Throughput 0.0711485 MB/sec 1 clients 1 procs max_latency=38012.218 ms stopping dbench on /mnt/lustre at Fri Sep 11 07:48:17 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-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench 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 Sep 11 07:48:25 EDT 2026 waiting for dbench pid 68144 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 1414116 2324 1268980 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2220 1269084 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11908 3594336 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44556 3543232 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 56464 7137568 1% /mnt/lustre 1 17 0.20 MB/sec warmup 1 sec latency 15.283 ms 1 72 1.57 MB/sec warmup 2 sec latency 133.417 ms 1 114 1.74 MB/sec warmup 3 sec latency 236.343 ms 1 146 1.57 MB/sec warmup 4 sec latency 196.956 ms 1 184 1.47 MB/sec warmup 5 sec latency 170.306 ms 1 188 1.26 MB/sec warmup 6 sec latency 550.715 ms 1 189 1.08 MB/sec warmup 7 sec latency 1458.677 ms 1 222 1.08 MB/sec warmup 8 sec latency 133.420 ms 1 275 1.14 MB/sec warmup 9 sec latency 84.501 ms 1 315 1.15 MB/sec warmup 10 sec latency 109.563 ms test_26 fail mds1 3 times 1 349 1.14 MB/sec warmup 11 sec latency 145.730 ms 1 379 1.12 MB/sec warmup 12 sec latency 159.597 ms Failing mds1 on oleg655-server Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 429 1.16 MB/sec warmup 13 sec latency 104.814 ms 1 468 1.17 MB/sec warmup 14 sec latency 342.849 ms 1 468 1.09 MB/sec warmup 15 sec latency 1343.016 ms 07:48:40 (1789127320) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 468 1.03 MB/sec warmup 16 sec latency 2345.468 ms 1 468 0.96 MB/sec warmup 17 sec latency 3349.455 ms 1 468 0.91 MB/sec warmup 18 sec latency 4355.543 ms 1 468 0.86 MB/sec warmup 19 sec latency 5355.726 ms 1 468 0.00 MB/sec execute 1 sec latency 7356.876 ms 1 468 0.00 MB/sec execute 2 sec latency 8357.132 ms 1 468 0.00 MB/sec execute 3 sec latency 9357.326 ms 1 468 0.00 MB/sec execute 4 sec latency 10357.878 ms 1 468 0.00 MB/sec execute 5 sec latency 11358.294 ms 1 468 0.00 MB/sec execute 6 sec latency 12364.569 ms Failover mds1 to oleg655-server mount facets: mds1 1 468 0.00 MB/sec execute 7 sec latency 13365.750 ms 1 468 0.00 MB/sec execute 8 sec latency 14372.365 ms 1 468 0.00 MB/sec execute 9 sec latency 15372.540 ms 1 468 0.00 MB/sec execute 10 sec latency 16374.131 ms 1 468 0.00 MB/sec execute 11 sec latency 17374.677 ms 1 468 0.00 MB/sec execute 12 sec latency 18375.046 ms 1 468 0.00 MB/sec execute 13 sec latency 19377.710 ms 1 468 0.00 MB/sec execute 14 sec latency 20377.834 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 468 0.00 MB/sec execute 15 sec latency 21378.578 ms 1 468 0.00 MB/sec execute 16 sec latency 22379.110 ms 1 468 0.00 MB/sec execute 17 sec latency 23380.466 ms 1 468 0.00 MB/sec execute 18 sec latency 24380.657 ms 1 468 0.00 MB/sec execute 19 sec latency 25380.835 ms 1 468 0.00 MB/sec execute 20 sec latency 26383.102 ms 1 468 0.00 MB/sec execute 21 sec latency 27383.667 ms 1 468 0.00 MB/sec execute 22 sec latency 28384.278 ms 1 468 0.00 MB/sec execute 23 sec latency 29388.148 ms 1 468 0.00 MB/sec execute 24 sec latency 30388.643 ms 1 468 0.00 MB/sec execute 25 sec latency 31403.777 ms 1 468 0.00 MB/sec execute 26 sec latency 32404.304 ms 1 468 0.00 MB/sec execute 27 sec latency 33404.537 ms 1 468 0.00 MB/sec execute 28 sec latency 34404.773 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 468 0.00 MB/sec execute 29 sec latency 35418.646 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 468 0.00 MB/sec execute 30 sec latency 36418.970 ms 1 480 0.01 MB/sec execute 31 sec latency 36887.400 ms Started lustre-MDT0000 07:49:16 (1789127356) targets are mounted 07:49:16 (1789127356) facet_failover done 1 511 0.04 MB/sec execute 32 sec latency 128.921 ms 1 564 0.08 MB/sec execute 33 sec latency 170.725 ms 1 640 0.14 MB/sec execute 34 sec latency 103.759 ms 1 676 0.14 MB/sec execute 35 sec latency 154.325 ms 1 711 0.13 MB/sec execute 36 sec latency 135.339 ms 1 741 0.13 MB/sec execute 37 sec latency 110.476 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.13 MB/sec execute 38 sec latency 114.863 ms 1 812 0.13 MB/sec execute 39 sec latency 109.020 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.13 MB/sec execute 40 sec latency 139.203 ms 1 884 0.13 MB/sec execute 41 sec latency 133.939 ms 1 884 0.12 MB/sec execute 42 sec latency 1134.094 ms 1 902 0.12 MB/sec execute 43 sec latency 1409.601 ms 1 930 0.12 MB/sec execute 44 sec latency 130.500 ms 1 970 0.12 MB/sec execute 45 sec latency 116.848 ms 1 1036 0.14 MB/sec execute 46 sec latency 104.670 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2868 1268436 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2688 1268616 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19836 3584992 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 46336 3557816 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 66172 7142808 1% /mnt/lustre 1 1086 0.14 MB/sec execute 47 sec latency 105.819 ms 1 1143 0.14 MB/sec execute 48 sec latency 81.962 ms 1 1185 0.13 MB/sec execute 49 sec latency 125.251 ms 1 1229 0.13 MB/sec execute 50 sec latency 85.263 ms 1 1262 0.13 MB/sec execute 51 sec latency 112.326 ms 1 1296 0.14 MB/sec execute 52 sec latency 372.001 ms 1 1296 0.13 MB/sec execute 53 sec latency 1372.634 ms 1 1405 0.18 MB/sec execute 54 sec latency 1458.966 ms 1 1457 0.17 MB/sec execute 55 sec latency 94.647 ms 1 1497 0.17 MB/sec execute 56 sec latency 312.679 ms test_26 fail mds2 4 times 1 1552 0.17 MB/sec execute 57 sec latency 86.706 ms 1 1584 0.17 MB/sec execute 58 sec latency 63.849 ms Failing mds2 on oleg655-server 1 1634 0.16 MB/sec execute 59 sec latency 88.683 ms Stopping /mnt/lustre-mds2 (opts:) on oleg655-server 1 1674 0.16 MB/sec execute 60 sec latency 93.021 ms 1 1721 0.16 MB/sec execute 61 sec latency 105.710 ms 1 1795 0.16 MB/sec execute 62 sec latency 71.113 ms 07:49:47 (1789127387) shut down facet: mds2 facet_host: oleg655-server facet_failover_host: oleg655-server 1 1845 0.16 MB/sec execute 63 sec latency 89.437 ms 1 1909 0.16 MB/sec execute 64 sec latency 100.417 ms 1 1996 0.15 MB/sec execute 65 sec latency 78.310 ms 1 2086 0.15 MB/sec execute 66 sec latency 109.235 ms 1 2185 0.15 MB/sec execute 67 sec latency 49.002 ms 1 2259 0.15 MB/sec execute 68 sec latency 120.683 ms 1 2259 0.15 MB/sec execute 69 sec latency 1120.963 ms 1 2259 0.15 MB/sec execute 70 sec latency 2122.045 ms 1 2259 0.15 MB/sec execute 71 sec latency 3122.352 ms 1 2259 0.14 MB/sec execute 72 sec latency 4122.636 ms Failover mds2 to oleg655-server mount facets: mds2 1 2259 0.14 MB/sec execute 73 sec latency 5124.657 ms 1 2259 0.14 MB/sec execute 74 sec latency 6124.839 ms 1 2259 0.14 MB/sec execute 75 sec latency 7125.062 ms 1 2259 0.14 MB/sec execute 76 sec latency 8125.768 ms 1 2259 0.13 MB/sec execute 77 sec latency 9126.413 ms 1 2259 0.13 MB/sec execute 78 sec latency 10130.767 ms 1 2259 0.13 MB/sec execute 79 sec latency 11131.563 ms 1 2259 0.13 MB/sec execute 80 sec latency 12133.784 ms 1 2259 0.13 MB/sec execute 81 sec latency 13133.977 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 82 sec latency 14134.219 ms 1 2259 0.12 MB/sec execute 83 sec latency 15134.443 ms 1 2259 0.12 MB/sec execute 84 sec latency 16135.123 ms 1 2259 0.12 MB/sec execute 85 sec latency 17135.301 ms 1 2259 0.12 MB/sec execute 86 sec latency 18135.479 ms 1 2259 0.12 MB/sec execute 87 sec latency 19135.670 ms 1 2259 0.12 MB/sec execute 88 sec latency 20135.838 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 89 sec latency 21136.993 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 90 sec latency 22137.161 ms Started lustre-MDT0001 07:50:15 (1789127415) targets are mounted 07:50:15 (1789127415) facet_failover done 1 2270 0.12 MB/sec execute 91 sec latency 22983.796 ms 1 2345 0.12 MB/sec execute 92 sec latency 73.832 ms 1 2377 0.12 MB/sec execute 93 sec latency 105.422 ms 1 2416 0.12 MB/sec execute 94 sec latency 97.942 ms 1 2449 0.12 MB/sec execute 95 sec latency 136.509 ms 1 2489 0.13 MB/sec execute 96 sec latency 116.333 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2582 0.13 MB/sec execute 97 sec latency 123.894 ms 1 2618 0.13 MB/sec execute 98 sec latency 127.198 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2773 0.16 MB/sec execute 99 sec latency 70.507 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 385 113.632 22983.783 Close 328 123.299 36887.141 Rename 18 101.275 136.469 Unlink 42 25.644 46.050 Qpathinfo 364 15.580 103.607 Qfileinfo 97 1.765 12.868 Qfsinfo 54 4.160 24.493 Sfileinfo 50 68.112 154.308 Find 128 11.807 51.264 WriteX 308 12.773 70.592 ReadX 614 1.069 65.915 LockX 2 20.118 27.445 UnlockX 2 12.730 17.143 Flush 35 57.700 138.539 Throughput 0.156687 MB/sec 1 clients 1 procs max_latency=36887.400 ms stopping dbench on /mnt/lustre at Fri Sep 11 07:50:28 EDT 2026 with return code 0 tar: Unexpected EOF in archive tar: Unexpected EOF in archive clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 Sep 11 07:50:35 EDT 2026 waiting for dbench pid 70297 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 0 12 0.00 MB/sec warmup 1 sec latency 24.691 ms 1 85 1.93 MB/sec warmup 2 sec latency 79.162 ms 1 132 1.92 MB/sec warmup 3 sec latency 185.017 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 07:50:39 EDT 2026 with return code 0 1 166 1.70 MB/sec warmup 4 sec latency 134.669 ms 70297 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 70297 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished