== replay-dual test 26: dbench and tar with mds failover ========================================================== 06:13:41 (1778926421) Starting client oleg251-client.virtnet: -o user_xattr,flock 192.168.202.151@tcp:/lustre /mnt/lustre Started clients oleg251-client.virtnet: 192.168.202.151@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64860 Started dbench loop with 64861 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 Sat May 16 06:13:46 EDT 2026 waiting for dbench pid 64911 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26120 3579764 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185220 1% /mnt/lustre 0 8 0.00 MB/sec warmup 1 sec latency 123.630 ms 1 48 0.98 MB/sec warmup 2 sec latency 88.903 ms 1 98 1.48 MB/sec warmup 3 sec latency 207.511 ms 1 125 1.39 MB/sec warmup 4 sec latency 244.436 ms 1 147 1.25 MB/sec warmup 5 sec latency 238.942 ms 1 173 1.17 MB/sec warmup 6 sec latency 247.295 ms 1 189 1.08 MB/sec warmup 7 sec latency 551.883 ms 1 215 1.04 MB/sec warmup 8 sec latency 153.052 ms 1 243 1.02 MB/sec warmup 9 sec latency 212.086 ms 1 276 1.03 MB/sec warmup 10 sec latency 181.632 ms 1 302 1.01 MB/sec warmup 11 sec latency 150.166 ms 1 341 1.02 MB/sec warmup 12 sec latency 116.907 ms test_26 fail mds1 1 times 1 373 1.02 MB/sec warmup 13 sec latency 159.833 ms 1 405 1.02 MB/sec warmup 14 sec latency 229.157 ms Failing mds1 on oleg251-server 1 445 1.04 MB/sec warmup 15 sec latency 145.468 ms Stopping /mnt/lustre-mds1 (opts:) on oleg251-server 1 474 1.03 MB/sec warmup 16 sec latency 161.084 ms 1 492 1.01 MB/sec warmup 17 sec latency 429.484 ms 1 492 0.95 MB/sec warmup 18 sec latency 1429.666 ms 1 492 0.90 MB/sec warmup 19 sec latency 2429.992 ms 06:14:06 (1778926446) shut down facet: mds1 facet_host: oleg251-server facet_failover_host: oleg251-server 1 492 0.00 MB/sec execute 1 sec latency 4432.147 ms 1 492 0.00 MB/sec execute 2 sec latency 5432.617 ms 1 492 0.00 MB/sec execute 3 sec latency 6432.840 ms 1 492 0.00 MB/sec execute 4 sec latency 7433.200 ms 1 492 0.00 MB/sec execute 5 sec latency 8433.461 ms 1 492 0.00 MB/sec execute 6 sec latency 9433.667 ms 1 492 0.00 MB/sec execute 7 sec latency 10434.401 ms 1 492 0.00 MB/sec execute 8 sec latency 11434.690 ms 1 492 0.00 MB/sec execute 9 sec latency 12435.157 ms Failover mds1 to oleg251-server mount facets: mds1 1 492 0.00 MB/sec execute 10 sec latency 13435.768 ms 1 492 0.00 MB/sec execute 11 sec latency 14436.304 ms 1 492 0.00 MB/sec execute 12 sec latency 15436.570 ms 1 492 0.00 MB/sec execute 13 sec latency 16437.035 ms 1 492 0.00 MB/sec execute 14 sec latency 17456.894 ms 1 492 0.00 MB/sec execute 15 sec latency 18457.308 ms 1 492 0.00 MB/sec execute 16 sec latency 19457.506 ms 1 492 0.00 MB/sec execute 17 sec latency 20458.080 ms 1 492 0.00 MB/sec execute 18 sec latency 21458.458 ms 1 492 0.00 MB/sec execute 19 sec latency 22459.544 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 492 0.00 MB/sec execute 20 sec latency 23463.418 ms 1 492 0.00 MB/sec execute 21 sec latency 24467.746 ms 1 492 0.00 MB/sec execute 22 sec latency 25467.987 ms 1 492 0.00 MB/sec execute 23 sec latency 26468.282 ms 1 492 0.00 MB/sec execute 24 sec latency 27521.664 ms 1 492 0.00 MB/sec execute 25 sec latency 28522.326 ms 1 492 0.00 MB/sec execute 26 sec latency 29536.016 ms 1 492 0.00 MB/sec execute 27 sec latency 30536.550 ms 1 492 0.00 MB/sec execute 28 sec latency 31536.769 ms 1 492 0.00 MB/sec execute 29 sec latency 32539.202 ms 1 492 0.00 MB/sec execute 30 sec latency 33539.834 ms oleg251-server: oleg251-server.virtnet: executing set_default_debug -1 all 1 492 0.00 MB/sec execute 31 sec latency 34540.161 ms 1 492 0.00 MB/sec execute 32 sec latency 35540.363 ms pdsh@oleg251-client: oleg251-server: ssh exited with exit code 1 1 492 0.00 MB/sec execute 33 sec latency 36540.794 ms Started lustre-MDT0000 06:14:40 (1778926480) targets are mounted 06:14:40 (1778926480) facet_failover done 1 492 0.00 MB/sec execute 34 sec latency 37542.846 ms 1 515 0.01 MB/sec execute 35 sec latency 37564.578 ms 1 552 0.05 MB/sec execute 36 sec latency 385.524 ms 1 609 0.10 MB/sec execute 37 sec latency 617.208 ms 1 668 0.10 MB/sec execute 38 sec latency 119.481 ms oleg251-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 711 0.10 MB/sec execute 39 sec latency 153.884 ms 1 762 0.10 MB/sec execute 40 sec latency 129.623 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 801 0.10 MB/sec execute 41 sec latency 129.427 ms 1 867 0.10 MB/sec execute 42 sec latency 69.560 ms 1 916 0.11 MB/sec execute 43 sec latency 125.926 ms 1 986 0.11 MB/sec execute 44 sec latency 102.841 ms 1 1059 0.13 MB/sec execute 45 sec latency 82.911 ms 1 1135 0.13 MB/sec execute 46 sec latency 75.502 ms 1 1172 0.12 MB/sec execute 47 sec latency 461.782 ms 1 1177 0.12 MB/sec execute 48 sec latency 1263.175 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2084 1269220 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 16156 3587156 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 39152 3566484 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55308 7153640 1% /mnt/lustre 1 1221 0.12 MB/sec execute 49 sec latency 140.900 ms 1 1262 0.12 MB/sec execute 50 sec latency 145.049 ms 1 1396 0.17 MB/sec execute 51 sec latency 88.565 ms 1 1457 0.17 MB/sec execute 52 sec latency 103.459 ms 1 1517 0.17 MB/sec execute 53 sec latency 113.575 ms 1 1572 0.16 MB/sec execute 54 sec latency 73.772 ms 1 1621 0.16 MB/sec execute 55 sec latency 69.522 ms 1 1680 0.16 MB/sec execute 56 sec latency 108.727 ms 1 1769 0.16 MB/sec execute 57 sec latency 83.015 ms test_26 fail mds2 2 times 1 1845 0.16 MB/sec execute 58 sec latency 84.956 ms 1 1944 0.16 MB/sec execute 59 sec latency 63.375 ms Failing mds2 on oleg251-server 1 2022 0.16 MB/sec execute 60 sec latency 81.025 ms Stopping /mnt/lustre-mds2 (opts:) on oleg251-server 1 2129 0.15 MB/sec execute 61 sec latency 52.983 ms 1 2206 0.15 MB/sec execute 62 sec latency 85.034 ms 1 2259 0.15 MB/sec execute 63 sec latency 735.704 ms 06:15:10 (1778926510) shut down facet: mds2 facet_host: oleg251-server facet_failover_host: oleg251-server 1 2259 0.15 MB/sec execute 64 sec latency 1735.913 ms 1 2259 0.15 MB/sec execute 65 sec latency 2736.602 ms 1 2259 0.14 MB/sec execute 66 sec latency 3736.818 ms 1 2259 0.14 MB/sec execute 67 sec latency 4737.028 ms 1 2259 0.14 MB/sec execute 68 sec latency 5737.314 ms 1 2259 0.14 MB/sec execute 69 sec latency 6737.556 ms 1 2259 0.14 MB/sec execute 70 sec latency 7742.455 ms 1 2259 0.13 MB/sec execute 71 sec latency 8743.803 ms 1 2259 0.13 MB/sec execute 72 sec latency 9744.016 ms 1 2259 0.13 MB/sec execute 73 sec latency 10744.622 ms Failover mds2 to oleg251-server mount facets: mds2 1 2259 0.13 MB/sec execute 74 sec latency 11756.727 ms 1 2259 0.13 MB/sec execute 75 sec latency 12756.930 ms 1 2259 0.13 MB/sec execute 76 sec latency 13757.098 ms 1 2259 0.12 MB/sec execute 77 sec latency 14757.534 ms 1 2259 0.12 MB/sec execute 78 sec latency 15759.564 ms 1 2259 0.12 MB/sec execute 79 sec latency 16765.647 ms 1 2259 0.12 MB/sec execute 80 sec latency 17769.929 ms 1 2259 0.12 MB/sec execute 81 sec latency 18770.165 ms 1 2259 0.12 MB/sec execute 82 sec latency 19770.501 ms 1 2259 0.12 MB/sec execute 83 sec latency 20771.058 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 84 sec latency 21772.094 ms 1 2259 0.11 MB/sec execute 85 sec latency 22773.590 ms 1 2259 0.11 MB/sec execute 86 sec latency 23787.890 ms 1 2259 0.11 MB/sec execute 87 sec latency 24788.512 ms 1 2259 0.11 MB/sec execute 88 sec latency 25792.111 ms 1 2259 0.11 MB/sec execute 89 sec latency 26792.325 ms oleg251-server: oleg251-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 90 sec latency 27792.523 ms 1 2259 0.11 MB/sec execute 91 sec latency 28792.754 ms pdsh@oleg251-client: oleg251-server: ssh exited with exit code 1 1 2259 0.10 MB/sec execute 92 sec latency 29792.936 ms Started lustre-MDT0001 06:15:39 (1778926539) targets are mounted 06:15:39 (1778926539) facet_failover done 1 2259 0.10 MB/sec execute 93 sec latency 30793.097 ms 1 2336 0.11 MB/sec execute 94 sec latency 30932.899 ms 1 2373 0.11 MB/sec execute 95 sec latency 95.927 ms 1 2407 0.11 MB/sec execute 96 sec latency 126.320 ms 1 2435 0.11 MB/sec execute 97 sec latency 114.761 ms oleg251-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2477 0.12 MB/sec execute 98 sec latency 101.655 ms 1 2563 0.12 MB/sec execute 99 sec latency 117.444 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 361 118.038 30932.882 Close 311 126.517 37564.545 Rename 17 81.342 153.856 Unlink 39 32.386 82.992 Qpathinfo 348 15.004 90.260 Qfileinfo 83 2.578 13.067 Qfsinfo 44 3.458 22.018 Sfileinfo 50 64.534 140.884 Find 119 11.328 43.567 WriteX 277 14.196 73.560 ReadX 431 2.387 71.773 Flush 34 58.975 129.607 Throughput 0.117901 MB/sec 1 clients 1 procs max_latency=37564.578 ms stopping dbench on /mnt/lustre at Sat May 16 06:15:51 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2300 1269004 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2096 1269208 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 23984 3580940 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 33380 3573444 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 57364 7154384 1% /mnt/lustre 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 Sat May 16 06:16:00 EDT 2026 waiting for dbench pid 67104 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 8 0.00 MB/sec warmup 1 sec latency 136.615 ms 1 59 1.21 MB/sec warmup 2 sec latency 106.489 ms 1 111 1.74 MB/sec warmup 3 sec latency 123.450 ms test_26 fail mds1 3 times 1 137 1.50 MB/sec warmup 4 sec latency 207.669 ms 1 155 1.31 MB/sec warmup 5 sec latency 254.623 ms Failing mds1 on oleg251-server 1 174 1.18 MB/sec warmup 6 sec latency 241.345 ms Stopping /mnt/lustre-mds1 (opts:) on oleg251-server 1 196 1.12 MB/sec warmup 7 sec latency 407.144 ms 1 223 1.08 MB/sec warmup 8 sec latency 163.670 ms 1 267 1.11 MB/sec warmup 9 sec latency 96.025 ms 1 310 1.13 MB/sec warmup 10 sec latency 116.586 ms 1 339 1.11 MB/sec warmup 11 sec latency 421.926 ms 1 339 1.02 MB/sec warmup 12 sec latency 1424.656 ms 1 339 0.94 MB/sec warmup 13 sec latency 2424.883 ms 1 339 0.87 MB/sec warmup 14 sec latency 3425.028 ms 1 339 0.82 MB/sec warmup 15 sec latency 4425.556 ms 1 339 0.77 MB/sec warmup 16 sec latency 5425.752 ms 06:16:16 (1778926576) shut down facet: mds1 facet_host: oleg251-server facet_failover_host: oleg251-server 1 339 0.72 MB/sec warmup 17 sec latency 6426.058 ms 1 339 0.68 MB/sec warmup 18 sec latency 7427.164 ms 1 339 0.64 MB/sec warmup 19 sec latency 8427.972 ms 1 339 0.00 MB/sec execute 1 sec latency 10428.530 ms 1 339 0.00 MB/sec execute 2 sec latency 11428.949 ms 1 339 0.00 MB/sec execute 3 sec latency 12429.140 ms 1 339 0.00 MB/sec execute 4 sec latency 13432.822 ms 1 339 0.00 MB/sec execute 5 sec latency 14433.138 ms 1 339 0.00 MB/sec execute 6 sec latency 15433.334 ms Failover mds1 to oleg251-server mount facets: mds1 1 339 0.00 MB/sec execute 7 sec latency 16434.500 ms 1 339 0.00 MB/sec execute 8 sec latency 17436.930 ms 1 339 0.00 MB/sec execute 9 sec latency 18437.125 ms 1 339 0.00 MB/sec execute 10 sec latency 19437.329 ms 1 339 0.00 MB/sec execute 11 sec latency 20437.586 ms 1 339 0.00 MB/sec execute 12 sec latency 21440.168 ms 1 339 0.00 MB/sec execute 13 sec latency 22440.684 ms 1 339 0.00 MB/sec execute 14 sec latency 23443.140 ms 1 339 0.00 MB/sec execute 15 sec latency 24443.296 ms 1 339 0.00 MB/sec execute 16 sec latency 25456.934 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 17 sec latency 26457.152 ms 1 339 0.00 MB/sec execute 18 sec latency 27457.719 ms 1 339 0.00 MB/sec execute 19 sec latency 28461.178 ms 1 339 0.00 MB/sec execute 20 sec latency 29462.268 ms 1 339 0.00 MB/sec execute 21 sec latency 30464.006 ms 1 339 0.00 MB/sec execute 22 sec latency 31464.533 ms 1 339 0.00 MB/sec execute 23 sec latency 32465.463 ms 1 339 0.00 MB/sec execute 24 sec latency 33465.920 ms 1 339 0.00 MB/sec execute 25 sec latency 34471.080 ms 1 339 0.00 MB/sec execute 26 sec latency 35471.901 ms 1 339 0.00 MB/sec execute 27 sec latency 36472.106 ms 1 339 0.00 MB/sec execute 28 sec latency 37472.381 ms oleg251-server: oleg251-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 29 sec latency 38473.147 ms 1 339 0.00 MB/sec execute 30 sec latency 39474.516 ms pdsh@oleg251-client: oleg251-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 31 sec latency 40477.393 ms Started lustre-MDT0000 06:16:52 (1778926612) targets are mounted 06:16:52 (1778926612) facet_failover done 1 373 0.03 MB/sec execute 32 sec latency 40576.643 ms 1 412 0.07 MB/sec execute 33 sec latency 106.206 ms 1 453 0.11 MB/sec execute 34 sec latency 131.759 ms 1 489 0.14 MB/sec execute 35 sec latency 148.582 ms oleg251-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 523 0.16 MB/sec execute 36 sec latency 119.822 ms 1 611 0.24 MB/sec execute 37 sec latency 119.558 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 674 0.23 MB/sec execute 38 sec latency 109.746 ms 1 723 0.23 MB/sec execute 39 sec latency 130.948 ms 1 778 0.23 MB/sec execute 40 sec latency 140.286 ms 1 814 0.22 MB/sec execute 41 sec latency 128.996 ms 1 875 0.22 MB/sec execute 42 sec latency 132.400 ms 1 884 0.22 MB/sec execute 43 sec latency 935.388 ms 1 913 0.22 MB/sec execute 44 sec latency 1083.167 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2688 1268616 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2444 1268860 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 28048 3574296 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 33812 3567620 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 61860 7141916 1% /mnt/lustre 1 943 0.21 MB/sec execute 45 sec latency 133.381 ms 1 981 0.21 MB/sec execute 46 sec latency 120.650 ms 1 1037 0.23 MB/sec execute 47 sec latency 192.287 ms 1 1074 0.22 MB/sec execute 48 sec latency 125.897 ms 1 1124 0.22 MB/sec execute 49 sec latency 101.391 ms 1 1172 0.21 MB/sec execute 50 sec latency 92.355 ms 1 1211 0.21 MB/sec execute 51 sec latency 119.658 ms 1 1251 0.21 MB/sec execute 52 sec latency 125.458 ms 1 1393 0.26 MB/sec execute 53 sec latency 98.902 ms 1 1441 0.25 MB/sec execute 54 sec latency 112.177 ms 1 1489 0.25 MB/sec execute 55 sec latency 337.633 ms test_26 fail mds2 4 times 1 1558 0.25 MB/sec execute 56 sec latency 65.062 ms 1 1614 0.24 MB/sec execute 57 sec latency 97.680 ms Failing mds2 on oleg251-server 1 1656 0.24 MB/sec execute 58 sec latency 198.883 ms Stopping /mnt/lustre-mds2 (opts:) on oleg251-server 1 1715 0.24 MB/sec execute 59 sec latency 93.369 ms 1 1793 0.23 MB/sec execute 60 sec latency 78.346 ms 1 1868 0.23 MB/sec execute 61 sec latency 96.375 ms 1 1971 0.23 MB/sec execute 62 sec latency 101.465 ms 06:17:23 (1778926643) shut down facet: mds2 facet_host: oleg251-server facet_failover_host: oleg251-server 1 2042 0.23 MB/sec execute 63 sec latency 66.436 ms 1 2158 0.23 MB/sec execute 64 sec latency 101.100 ms 1 2259 0.22 MB/sec execute 65 sec latency 228.087 ms 1 2259 0.22 MB/sec execute 66 sec latency 1228.346 ms 1 2259 0.22 MB/sec execute 67 sec latency 2228.564 ms 1 2259 0.21 MB/sec execute 68 sec latency 3228.860 ms 1 2259 0.21 MB/sec execute 69 sec latency 4229.201 ms 1 2259 0.21 MB/sec execute 70 sec latency 5229.415 ms 1 2259 0.20 MB/sec execute 71 sec latency 6231.939 ms 1 2259 0.20 MB/sec execute 72 sec latency 7232.949 ms Failover mds2 to oleg251-server 1 2259 0.20 MB/sec execute 73 sec latency 8243.270 ms mount facets: mds2 1 2259 0.20 MB/sec execute 74 sec latency 9243.511 ms 1 2259 0.19 MB/sec execute 75 sec latency 10243.890 ms 1 2259 0.19 MB/sec execute 76 sec latency 11244.193 ms 1 2259 0.19 MB/sec execute 77 sec latency 12244.367 ms 1 2259 0.19 MB/sec execute 78 sec latency 13247.602 ms 1 2259 0.18 MB/sec execute 79 sec latency 14247.792 ms 1 2259 0.18 MB/sec execute 80 sec latency 15247.991 ms 1 2259 0.18 MB/sec execute 81 sec latency 16248.304 ms 1 2259 0.18 MB/sec execute 82 sec latency 17249.143 ms 1 2259 0.17 MB/sec execute 83 sec latency 18249.592 ms 1 2259 0.17 MB/sec execute 84 sec latency 19251.079 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.17 MB/sec execute 85 sec latency 20251.312 ms 1 2259 0.17 MB/sec execute 86 sec latency 21251.644 ms 1 2259 0.17 MB/sec execute 87 sec latency 22251.950 ms 1 2259 0.16 MB/sec execute 88 sec latency 23255.033 ms 1 2259 0.16 MB/sec execute 89 sec latency 24255.236 ms 1 2259 0.16 MB/sec execute 90 sec latency 25255.672 ms 1 2259 0.16 MB/sec execute 91 sec latency 26255.909 ms oleg251-server: oleg251-server.virtnet: executing set_default_debug -1 all 1 2259 0.16 MB/sec execute 92 sec latency 27256.914 ms pdsh@oleg251-client: oleg251-server: ssh exited with exit code 1 1 2259 0.16 MB/sec execute 93 sec latency 28259.550 ms 1 2290 0.16 MB/sec execute 94 sec latency 28817.794 ms Started lustre-MDT0001 06:17:54 (1778926674) targets are mounted 06:17:54 (1778926674) facet_failover done 1 2353 0.16 MB/sec execute 95 sec latency 76.228 ms 1 2388 0.16 MB/sec execute 96 sec latency 93.225 ms 1 2416 0.16 MB/sec execute 97 sec latency 115.043 ms 1 2441 0.16 MB/sec execute 98 sec latency 147.626 ms oleg251-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2481 0.17 MB/sec execute 99 sec latency 101.788 ms 1 cleanup 100 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 372 223.796 40576.628 Close 322 7.142 56.456 Rename 15 86.787 147.602 Unlink 37 38.855 101.072 Qpathinfo 338 16.910 125.876 Qfileinfo 100 2.703 21.893 Qfsinfo 43 6.633 48.832 Sfileinfo 48 74.480 192.267 Find 115 14.025 68.913 WriteX 368 15.234 96.353 ReadX 427 1.495 105.204 Flush 34 61.243 131.688 Throughput 0.165909 MB/sec 1 clients 1 procs max_latency=40576.643 ms stopping dbench on /mnt/lustre at Sat May 16 06:18:05 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /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 Sat May 16 06:18:13 EDT 2026 waiting for dbench pid 69142 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 0.424 ms 1 67 1.47 MB/sec warmup 2 sec latency 155.858 ms 1 122 1.83 MB/sec warmup 3 sec latency 173.704 ms 1 157 1.63 MB/sec warmup 4 sec latency 148.023 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 184 1.47 MB/sec warmup 5 sec latency 460.953 ms 1 216 1.39 MB/sec warmup 6 sec latency 520.444 ms 1 262 1.41 MB/sec warmup 7 sec latency 133.102 ms 1 305 1.40 MB/sec warmup 8 sec latency 94.473 ms 1 357 1.42 MB/sec warmup 9 sec latency 85.627 ms 1 412 1.46 MB/sec warmup 10 sec latency 78.825 ms 1 461 1.47 MB/sec warmup 11 sec latency 95.634 ms 1 493 1.43 MB/sec warmup 12 sec latency 205.491 ms 1 541 1.47 MB/sec warmup 13 sec latency 122.002 ms 1 642 1.50 MB/sec warmup 14 sec latency 103.710 ms 1 710 1.41 MB/sec warmup 15 sec latency 82.387 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat May 16 06:18:28 EDT 2026 with return code 0 1 773 1.33 MB/sec warmup 16 sec latency 142.562 ms 69142 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69142 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished