== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:39:21 (1761287961) Starting client oleg147-client.virtnet: -o user_xattr,flock 192.168.201.147@tcp:/lustre /mnt/lustre Started clients oleg147-client.virtnet: 192.168.201.147@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 65083 Started dbench loop with 65085 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar 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 1996 1269308 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1800 1269504 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 5664 3580680 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1548 3605472 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7212 7186152 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 Oct 24 02:39:26 EDT 2025 waiting for dbench pid 65155 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 22 0.52 MB/sec warmup 1 sec latency 23.181 ms 1 79 1.73 MB/sec warmup 2 sec latency 109.237 ms 1 124 1.83 MB/sec warmup 3 sec latency 149.780 ms 1 165 1.70 MB/sec warmup 4 sec latency 156.889 ms 1 190 1.51 MB/sec warmup 5 sec latency 405.862 ms 1 228 1.46 MB/sec warmup 6 sec latency 162.099 ms 1 271 1.45 MB/sec warmup 7 sec latency 116.283 ms 1 315 1.43 MB/sec warmup 8 sec latency 95.190 ms test_26 fail mds1 1 times 1 357 1.42 MB/sec warmup 9 sec latency 138.531 ms 1 398 1.41 MB/sec warmup 10 sec latency 106.105 ms Failing mds1 on oleg147-server 1 438 1.40 MB/sec warmup 11 sec latency 136.403 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 485 1.41 MB/sec warmup 12 sec latency 121.521 ms 1 492 1.32 MB/sec warmup 13 sec latency 900.730 ms 1 492 1.23 MB/sec warmup 14 sec latency 1901.008 ms 02:39:41 (1761287981) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 492 1.15 MB/sec warmup 15 sec latency 2901.783 ms 1 492 1.07 MB/sec warmup 16 sec latency 3902.062 ms 1 492 1.01 MB/sec warmup 17 sec latency 4902.426 ms 1 492 0.95 MB/sec warmup 18 sec latency 5902.802 ms 1 492 0.90 MB/sec warmup 19 sec latency 6903.971 ms 1 492 0.00 MB/sec execute 1 sec latency 8905.077 ms 1 492 0.00 MB/sec execute 2 sec latency 9907.623 ms 1 492 0.00 MB/sec execute 3 sec latency 10908.491 ms 1 492 0.00 MB/sec execute 4 sec latency 11909.736 ms Failover mds1 to oleg147-server mount facets: mds1 1 492 0.00 MB/sec execute 5 sec latency 12914.234 ms 1 492 0.00 MB/sec execute 6 sec latency 13915.267 ms 1 492 0.00 MB/sec execute 7 sec latency 14915.509 ms 1 492 0.00 MB/sec execute 8 sec latency 15916.613 ms 1 492 0.00 MB/sec execute 9 sec latency 16917.458 ms 1 492 0.00 MB/sec execute 10 sec latency 17918.091 ms 1 492 0.00 MB/sec execute 11 sec latency 18919.499 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 492 0.00 MB/sec execute 12 sec latency 19920.303 ms 1 492 0.00 MB/sec execute 13 sec latency 20920.825 ms 1 492 0.00 MB/sec execute 14 sec latency 21921.084 ms 1 492 0.00 MB/sec execute 15 sec latency 22921.362 ms 1 492 0.00 MB/sec execute 16 sec latency 23921.563 ms 1 492 0.00 MB/sec execute 17 sec latency 24921.877 ms 1 492 0.00 MB/sec execute 18 sec latency 25922.242 ms 1 492 0.00 MB/sec execute 19 sec latency 26922.800 ms 1 492 0.00 MB/sec execute 20 sec latency 27923.079 ms 1 492 0.00 MB/sec execute 21 sec latency 28923.481 ms 1 492 0.00 MB/sec execute 22 sec latency 29923.712 ms 1 492 0.00 MB/sec execute 23 sec latency 30925.135 ms 1 492 0.00 MB/sec execute 24 sec latency 31925.882 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 492 0.00 MB/sec execute 25 sec latency 32926.421 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 Started lustre-MDT0000 02:40:13 (1761288013) targets are mounted 02:40:13 (1761288013) facet_failover done 1 492 0.00 MB/sec execute 26 sec latency 33928.080 ms 1 492 0.00 MB/sec execute 27 sec latency 34928.267 ms 1 492 0.00 MB/sec execute 28 sec latency 35930.502 ms 1 511 0.02 MB/sec execute 29 sec latency 36321.883 ms 1 602 0.13 MB/sec execute 30 sec latency 93.454 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 649 0.12 MB/sec execute 31 sec latency 94.059 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 686 0.12 MB/sec execute 32 sec latency 116.514 ms 1 720 0.12 MB/sec execute 33 sec latency 105.864 ms 1 758 0.12 MB/sec execute 34 sec latency 98.438 ms 1 796 0.12 MB/sec execute 35 sec latency 119.586 ms 1 848 0.12 MB/sec execute 36 sec latency 93.083 ms 1 884 0.12 MB/sec execute 37 sec latency 113.645 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1868 1269436 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 39660 3560348 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 7448 3598068 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47108 7158416 1% /mnt/lustre 1 884 0.12 MB/sec execute 38 sec latency 1121.579 ms 1 909 0.12 MB/sec execute 39 sec latency 1373.342 ms 1 948 0.11 MB/sec execute 40 sec latency 89.658 ms 1 984 0.11 MB/sec execute 41 sec latency 120.249 ms 1 995 0.11 MB/sec execute 42 sec latency 556.789 ms 1 1009 0.12 MB/sec execute 43 sec latency 1458.162 ms 1 1064 0.13 MB/sec execute 44 sec latency 83.498 ms 1 1128 0.13 MB/sec execute 45 sec latency 67.308 ms test_26 fail mds2 2 times 1 1164 0.13 MB/sec execute 46 sec latency 99.129 ms 1 1204 0.12 MB/sec execute 47 sec latency 88.899 ms Failing mds2 on oleg147-server 1 1244 0.12 MB/sec execute 48 sec latency 102.878 ms Stopping /mnt/lustre-mds2 (opts:) on oleg147-server 1 1284 0.12 MB/sec execute 49 sec latency 78.839 ms 1 1410 0.18 MB/sec execute 50 sec latency 90.976 ms 1 1433 0.17 MB/sec execute 51 sec latency 591.362 ms 1 1433 0.17 MB/sec execute 52 sec latency 1593.355 ms 1 1433 0.17 MB/sec execute 53 sec latency 2593.696 ms 1 1433 0.16 MB/sec execute 54 sec latency 3595.133 ms 1 1433 0.16 MB/sec execute 55 sec latency 4595.452 ms 1 1433 0.16 MB/sec execute 56 sec latency 5595.747 ms 1 1433 0.15 MB/sec execute 57 sec latency 6598.662 ms 02:40:44 (1761288044) shut down facet: mds2 facet_host: oleg147-server facet_failover_host: oleg147-server 1 1433 0.15 MB/sec execute 58 sec latency 7599.530 ms 1 1433 0.15 MB/sec execute 59 sec latency 8599.782 ms 1 1433 0.15 MB/sec execute 60 sec latency 9600.084 ms 1 1433 0.14 MB/sec execute 61 sec latency 10601.970 ms 1 1433 0.14 MB/sec execute 62 sec latency 11602.243 ms 1 1433 0.14 MB/sec execute 63 sec latency 12604.095 ms 1 1433 0.14 MB/sec execute 64 sec latency 13604.971 ms 1 1433 0.14 MB/sec execute 65 sec latency 14605.937 ms 1 1433 0.13 MB/sec execute 66 sec latency 15606.227 ms 1 1433 0.13 MB/sec execute 67 sec latency 16607.376 ms Failover mds2 to oleg147-server mount facets: mds2 1 1433 0.13 MB/sec execute 68 sec latency 17607.709 ms 1 1433 0.13 MB/sec execute 69 sec latency 18607.969 ms 1 1433 0.13 MB/sec execute 70 sec latency 19610.059 ms 1 1433 0.12 MB/sec execute 71 sec latency 20610.508 ms 1 1433 0.12 MB/sec execute 72 sec latency 21610.826 ms 1 1433 0.12 MB/sec execute 73 sec latency 22611.004 ms 1 1433 0.12 MB/sec execute 74 sec latency 23611.222 ms 1 1433 0.12 MB/sec execute 75 sec latency 24611.498 ms 1 1433 0.12 MB/sec execute 76 sec latency 25625.569 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1433 0.11 MB/sec execute 77 sec latency 26627.364 ms 1 1433 0.11 MB/sec execute 78 sec latency 27628.886 ms 1 1433 0.11 MB/sec execute 79 sec latency 28631.489 ms 1 1433 0.11 MB/sec execute 80 sec latency 29632.539 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 1433 0.11 MB/sec execute 81 sec latency 30634.723 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 Started lustre-MDT0001 02:41:09 (1761288069) targets are mounted 1 1433 0.11 MB/sec execute 82 sec latency 31636.095 ms 02:41:09 (1761288069) facet_failover done 1 1433 0.11 MB/sec execute 83 sec latency 32640.950 ms 1 1433 0.10 MB/sec execute 84 sec latency 33642.131 ms 1 1467 0.10 MB/sec execute 85 sec latency 33817.087 ms 1 1504 0.10 MB/sec execute 86 sec latency 250.463 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1552 0.10 MB/sec execute 87 sec latency 109.092 ms 1 1582 0.10 MB/sec execute 88 sec latency 87.293 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1625 0.10 MB/sec execute 89 sec latency 122.626 ms 1 1659 0.10 MB/sec execute 90 sec latency 128.937 ms 1 1706 0.10 MB/sec execute 91 sec latency 103.711 ms 1 1775 0.10 MB/sec execute 92 sec latency 59.954 ms 1 1832 0.10 MB/sec execute 93 sec latency 120.165 ms 1 1891 0.10 MB/sec execute 94 sec latency 88.076 ms 1 1954 0.10 MB/sec execute 95 sec latency 75.365 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2392 1268912 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 55376 3550624 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 8968 3597880 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 64344 7148504 1% /mnt/lustre 1 1988 0.10 MB/sec execute 96 sec latency 163.308 ms 1 2058 0.10 MB/sec execute 97 sec latency 111.770 ms 1 2129 0.10 MB/sec execute 98 sec latency 105.413 ms 1 2162 0.10 MB/sec execute 99 sec latency 102.328 ms 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 316 55.524 1458.141 Close 258 284.862 36321.855 Rename 11 84.479 119.568 Unlink 28 25.691 54.348 Qpathinfo 275 15.026 94.271 Qfileinfo 66 1.602 10.790 Qfsinfo 33 52.226 90.085 Sfileinfo 34 54.732 120.227 Find 91 11.898 59.428 WriteX 223 10.511 77.247 ReadX 346 3.171 57.516 Flush 30 46.717 109.305 Throughput 0.0958941 MB/sec 1 clients 1 procs max_latency=36321.883 ms test_26 fail mds1 3 times stopping dbench on /mnt/lustre at Fri Oct 24 02:41:31 EDT 2025 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg147-server Stopping /mnt/lustre-mds1 (opts:) on oleg147-server striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 02:41:36 (1761288096) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server Failover mds1 to oleg147-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 Started lustre-MDT0000 02:41:58 (1761288118) targets are mounted 02:41:58 (1761288118) facet_failover done looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid '/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 Oct 24 02:42:06 EDT 2025 waiting for dbench pid 68065 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 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 1 64 2.75 MB/sec warmup 1 sec latency 69.522 ms 1 137 3.01 MB/sec warmup 2 sec latency 155.937 ms 1 183 2.44 MB/sec warmup 3 sec latency 163.860 ms 1 233 2.22 MB/sec warmup 4 sec latency 235.059 ms 1 301 2.20 MB/sec warmup 5 sec latency 91.387 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2688 1268616 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2404 1268900 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45992 3559472 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2596 3603844 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 48588 7163316 1% /mnt/lustre 1 341 2.04 MB/sec warmup 6 sec latency 151.727 ms 1 398 2.01 MB/sec warmup 7 sec latency 81.713 ms 1 456 1.99 MB/sec warmup 8 sec latency 77.853 ms 1 501 1.94 MB/sec warmup 9 sec latency 155.816 ms 1 501 1.74 MB/sec warmup 10 sec latency 1156.030 ms 1 563 1.73 MB/sec warmup 11 sec latency 1357.665 ms 1 640 1.75 MB/sec warmup 12 sec latency 83.652 ms 1 684 1.63 MB/sec warmup 13 sec latency 68.199 ms test_26 fail mds2 4 times 1 718 1.52 MB/sec warmup 14 sec latency 107.504 ms Failing mds2 on oleg147-server 1 746 1.42 MB/sec warmup 15 sec latency 117.429 ms Stopping /mnt/lustre-mds2 (opts:) on oleg147-server 1 779 1.33 MB/sec warmup 16 sec latency 137.883 ms 1 812 1.26 MB/sec warmup 17 sec latency 125.225 ms 1 878 1.20 MB/sec warmup 18 sec latency 71.090 ms 1 885 1.14 MB/sec warmup 19 sec latency 745.306 ms 1 970 0.05 MB/sec execute 1 sec latency 223.215 ms 1 995 0.07 MB/sec execute 2 sec latency 325.391 ms 1 995 0.05 MB/sec execute 3 sec latency 1325.637 ms 1 995 0.03 MB/sec execute 4 sec latency 2326.494 ms 02:42:30 (1761288150) shut down facet: mds2 facet_host: oleg147-server facet_failover_host: oleg147-server 1 995 0.03 MB/sec execute 5 sec latency 3328.355 ms 1 995 0.02 MB/sec execute 6 sec latency 4333.775 ms 1 995 0.02 MB/sec execute 7 sec latency 5335.991 ms 1 995 0.02 MB/sec execute 8 sec latency 6336.215 ms 1 995 0.02 MB/sec execute 9 sec latency 7336.498 ms 1 995 0.01 MB/sec execute 10 sec latency 8336.754 ms 1 995 0.01 MB/sec execute 11 sec latency 9336.992 ms 1 995 0.01 MB/sec execute 12 sec latency 10337.426 ms 1 995 0.01 MB/sec execute 13 sec latency 11339.818 ms 1 995 0.01 MB/sec execute 14 sec latency 12340.364 ms Failover mds2 to oleg147-server mount facets: mds2 1 995 0.01 MB/sec execute 15 sec latency 13340.561 ms 1 995 0.01 MB/sec execute 16 sec latency 14341.644 ms 1 995 0.01 MB/sec execute 17 sec latency 15341.874 ms 1 995 0.01 MB/sec execute 18 sec latency 16342.706 ms 1 995 0.01 MB/sec execute 19 sec latency 17343.863 ms 1 995 0.01 MB/sec execute 20 sec latency 18344.119 ms 1 995 0.01 MB/sec execute 21 sec latency 19344.389 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 22 sec latency 20346.543 ms 1 995 0.01 MB/sec execute 23 sec latency 21349.487 ms 1 995 0.01 MB/sec execute 24 sec latency 22353.873 ms 1 995 0.01 MB/sec execute 25 sec latency 23357.545 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 995 0.01 MB/sec execute 26 sec latency 24357.733 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 995 0.01 MB/sec execute 27 sec latency 25359.450 ms Started lustre-MDT0001 02:42:53 (1761288173) targets are mounted 02:42:53 (1761288173) facet_failover done 1 995 0.00 MB/sec execute 28 sec latency 26361.356 ms 1 996 0.00 MB/sec execute 29 sec latency 27332.082 ms 1 1032 0.04 MB/sec execute 30 sec latency 163.875 ms 1 1084 0.04 MB/sec execute 31 sec latency 67.120 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1146 0.04 MB/sec execute 32 sec latency 64.719 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1192 0.04 MB/sec execute 33 sec latency 87.933 ms 1 1243 0.04 MB/sec execute 34 sec latency 91.414 ms 1 1384 0.12 MB/sec execute 35 sec latency 76.469 ms 1 1451 0.12 MB/sec execute 36 sec latency 103.206 ms 1 1504 0.12 MB/sec execute 37 sec latency 196.213 ms 1 1597 0.12 MB/sec execute 38 sec latency 51.144 ms 1 1667 0.11 MB/sec execute 39 sec latency 70.392 ms 1 1750 0.11 MB/sec execute 40 sec latency 90.937 ms 1 1834 0.11 MB/sec execute 41 sec latency 62.244 ms 1 1911 0.11 MB/sec execute 42 sec latency 93.262 ms 1 2008 0.11 MB/sec execute 43 sec latency 50.587 ms 1 2095 0.11 MB/sec execute 44 sec latency 91.217 ms 1 2158 0.11 MB/sec execute 45 sec latency 78.208 ms 1 2226 0.11 MB/sec execute 46 sec latency 84.468 ms 1 2340 0.13 MB/sec execute 47 sec latency 50.533 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Oct 24 02:43:13 EDT 2025 with return code 0 68065 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68065 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished