== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:35:00 (1786422900) Starting client oleg334-client.virtnet: -o user_xattr,flock 192.168.203.134@tcp:/lustre /mnt/lustre Started clients oleg334-client.virtnet: 192.168.203.134@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 65614 Started dbench loop with 65615 striped dir -i0 -c2 -H crush /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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1744 1269560 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3593108 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7198564 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 Tue Aug 11 00:35:09 EDT 2026 waiting for dbench pid 65703 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 3 0.00 MB/sec warmup 1 sec latency 646.631 ms 0 10 0.00 MB/sec warmup 2 sec latency 220.954 ms 1 52 0.69 MB/sec warmup 3 sec latency 235.121 ms 1 92 1.04 MB/sec warmup 4 sec latency 208.380 ms 1 114 1.04 MB/sec warmup 5 sec latency 270.705 ms 1 139 0.99 MB/sec warmup 6 sec latency 178.971 ms 1 157 0.93 MB/sec warmup 7 sec latency 232.439 ms 1 180 0.91 MB/sec warmup 8 sec latency 291.710 ms test_26 fail mds1 1 times 1 184 0.81 MB/sec warmup 9 sec latency 594.715 ms 1 192 0.75 MB/sec warmup 10 sec latency 922.811 ms 1 203 0.71 MB/sec warmup 11 sec latency 408.506 ms Failing mds1 on oleg334-server 1 228 0.72 MB/sec warmup 12 sec latency 240.865 ms Stopping /mnt/lustre-mds1 (opts:) on oleg334-server 1 255 0.74 MB/sec warmup 13 sec latency 245.736 ms 1 279 0.74 MB/sec warmup 14 sec latency 337.558 ms 1 297 0.73 MB/sec warmup 15 sec latency 467.734 ms 1 335 0.75 MB/sec warmup 16 sec latency 158.697 ms 00:35:26 (1786422926) shut down facet: mds1 facet_host: oleg334-server facet_failover_host: oleg334-server 1 339 0.72 MB/sec warmup 17 sec latency 937.070 ms 1 339 0.68 MB/sec warmup 18 sec latency 1971.124 ms 1 339 0.64 MB/sec warmup 19 sec latency 2978.915 ms 1 339 0.00 MB/sec execute 1 sec latency 4979.845 ms 1 339 0.00 MB/sec execute 2 sec latency 5980.101 ms 1 339 0.00 MB/sec execute 3 sec latency 6980.353 ms 1 339 0.00 MB/sec execute 4 sec latency 7980.640 ms 1 339 0.00 MB/sec execute 5 sec latency 8980.892 ms 1 339 0.00 MB/sec execute 6 sec latency 9981.524 ms 1 339 0.00 MB/sec execute 7 sec latency 10981.769 ms Failover mds1 to oleg334-server mount facets: mds1 1 339 0.00 MB/sec execute 8 sec latency 11982.086 ms 1 339 0.00 MB/sec execute 9 sec latency 12982.596 ms 1 339 0.00 MB/sec execute 10 sec latency 13982.949 ms 1 339 0.00 MB/sec execute 11 sec latency 14983.165 ms 1 339 0.00 MB/sec execute 12 sec latency 15985.426 ms 1 339 0.00 MB/sec execute 13 sec latency 16985.673 ms 1 339 0.00 MB/sec execute 14 sec latency 17996.838 ms 1 339 0.00 MB/sec execute 15 sec latency 18997.077 ms 1 339 0.00 MB/sec execute 16 sec latency 19999.380 ms 1 339 0.00 MB/sec execute 17 sec latency 20999.573 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 18 sec latency 21999.834 ms 1 339 0.00 MB/sec execute 19 sec latency 23000.093 ms 1 339 0.00 MB/sec execute 20 sec latency 24037.506 ms 1 339 0.00 MB/sec execute 21 sec latency 25037.737 ms 1 339 0.00 MB/sec execute 22 sec latency 26037.979 ms 1 339 0.00 MB/sec execute 23 sec latency 27038.785 ms 1 339 0.00 MB/sec execute 24 sec latency 28039.348 ms 1 339 0.00 MB/sec execute 25 sec latency 29039.599 ms oleg334-server: oleg334-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 26 sec latency 30039.789 ms 1 339 0.00 MB/sec execute 27 sec latency 31040.070 ms pdsh@oleg334-client: oleg334-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 28 sec latency 32040.419 ms Started lustre-MDT0000 00:35:58 (1786422958) targets are mounted 00:35:58 (1786422958) facet_failover done 1 339 0.00 MB/sec execute 29 sec latency 33048.071 ms 1 365 0.03 MB/sec execute 30 sec latency 33211.596 ms 1 373 0.03 MB/sec execute 31 sec latency 473.784 ms 1 389 0.05 MB/sec execute 32 sec latency 277.968 ms 1 410 0.07 MB/sec execute 33 sec latency 217.972 ms 1 428 0.08 MB/sec execute 34 sec latency 364.376 ms 1 453 0.10 MB/sec execute 35 sec latency 303.868 ms 1 470 0.12 MB/sec execute 36 sec latency 259.785 ms 1 493 0.13 MB/sec execute 37 sec latency 302.936 ms oleg334-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 509 0.14 MB/sec execute 38 sec latency 381.752 ms 1 522 0.15 MB/sec execute 39 sec latency 254.861 ms 1 572 0.17 MB/sec execute 40 sec latency 305.805 ms 1 611 0.21 MB/sec execute 41 sec latency 169.821 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 654 0.21 MB/sec execute 42 sec latency 119.777 ms 1 678 0.21 MB/sec execute 43 sec latency 160.322 ms 1 694 0.20 MB/sec execute 44 sec latency 288.820 ms 1 711 0.20 MB/sec execute 45 sec latency 213.146 ms 1 733 0.20 MB/sec execute 46 sec latency 179.633 ms 1 762 0.19 MB/sec execute 47 sec latency 163.450 ms 1 789 0.19 MB/sec execute 48 sec latency 178.891 ms 1 821 0.19 MB/sec execute 49 sec latency 203.686 ms 1 864 0.19 MB/sec execute 50 sec latency 137.987 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2000 1269304 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1812 1269492 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 8448 3596324 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 38920 3566996 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47368 7163320 1% /mnt/lustre 1 884 0.18 MB/sec execute 51 sec latency 174.556 ms 1 902 0.18 MB/sec execute 52 sec latency 214.246 ms 1 918 0.18 MB/sec execute 53 sec latency 220.522 ms 1 939 0.18 MB/sec execute 54 sec latency 157.331 ms 1 955 0.17 MB/sec execute 55 sec latency 232.886 ms 1 969 0.17 MB/sec execute 56 sec latency 295.048 ms 1 981 0.17 MB/sec execute 58 sec latency 420.914 ms 1 988 0.16 MB/sec execute 59 sec latency 285.211 ms 1 1009 0.17 MB/sec execute 60 sec latency 429.322 ms 1 1035 0.18 MB/sec execute 61 sec latency 671.401 ms 1 1039 0.17 MB/sec execute 62 sec latency 1187.117 ms 1 1064 0.17 MB/sec execute 63 sec latency 269.523 ms 1 1104 0.17 MB/sec execute 64 sec latency 124.331 ms 1 1143 0.17 MB/sec execute 65 sec latency 90.983 ms test_26 fail mds2 2 times 1 1156 0.16 MB/sec execute 66 sec latency 337.363 ms 1 1180 0.16 MB/sec execute 67 sec latency 203.736 ms 1 1198 0.16 MB/sec execute 68 sec latency 199.430 ms Failing mds2 on oleg334-server 1 1221 0.16 MB/sec execute 69 sec latency 184.317 ms 1 1233 0.16 MB/sec execute 70 sec latency 158.468 ms Stopping /mnt/lustre-mds2 (opts:) on oleg334-server 1 1252 0.15 MB/sec execute 71 sec latency 342.411 ms 1 1278 0.15 MB/sec execute 72 sec latency 270.784 ms 1 1278 0.15 MB/sec execute 73 sec latency 1031.044 ms 1 1278 0.15 MB/sec execute 74 sec latency 2031.283 ms 00:36:43 (1786423003) shut down facet: mds2 facet_host: oleg334-server facet_failover_host: oleg334-server 1 1278 0.15 MB/sec execute 75 sec latency 3058.134 ms 1 1278 0.14 MB/sec execute 76 sec latency 4058.629 ms 1 1278 0.14 MB/sec execute 77 sec latency 5058.848 ms 1 1278 0.14 MB/sec execute 78 sec latency 6059.024 ms 1 1278 0.14 MB/sec execute 79 sec latency 7099.402 ms 1 1278 0.14 MB/sec execute 80 sec latency 8099.607 ms 1 1278 0.13 MB/sec execute 81 sec latency 9099.819 ms 1 1278 0.13 MB/sec execute 82 sec latency 10099.982 ms 1 1278 0.13 MB/sec execute 83 sec latency 11100.198 ms 1 1278 0.13 MB/sec execute 84 sec latency 12100.910 ms Failover mds2 to oleg334-server mount facets: mds2 1 1278 0.13 MB/sec execute 85 sec latency 13101.192 ms 1 1278 0.13 MB/sec execute 86 sec latency 14101.692 ms 1 1278 0.13 MB/sec execute 87 sec latency 15102.253 ms 1 1278 0.12 MB/sec execute 88 sec latency 16103.286 ms 1 1278 0.12 MB/sec execute 89 sec latency 17142.810 ms 1 1278 0.12 MB/sec execute 90 sec latency 18143.578 ms 1 1278 0.12 MB/sec execute 91 sec latency 19143.853 ms 1 1278 0.12 MB/sec execute 92 sec latency 20144.095 ms 1 1278 0.12 MB/sec execute 93 sec latency 21145.738 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1278 0.12 MB/sec execute 94 sec latency 22147.410 ms 1 1278 0.11 MB/sec execute 95 sec latency 23149.139 ms 1 1278 0.11 MB/sec execute 96 sec latency 24155.604 ms 1 1278 0.11 MB/sec execute 97 sec latency 25155.916 ms 1 1278 0.11 MB/sec execute 98 sec latency 26156.129 ms 1 1278 0.11 MB/sec execute 99 sec latency 27156.425 ms 1 1278 0.11 MB/sec execute 100 sec latency 28156.669 ms oleg334-server: oleg334-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec pdsh@oleg334-client: oleg334-server: ssh exited with exit code 1 1 cleanup 102 sec Started lustre-MDT0001 00:37:11 (1786423031) targets are mounted 00:37:11 (1786423031) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 134 375.408 33211.578 Close 127 25.875 151.871 Rename 10 173.555 420.891 Unlink 17 33.755 72.022 Qpathinfo 89 39.822 203.711 Qfileinfo 53 4.129 39.740 Qfsinfo 30 10.626 101.775 Sfileinfo 34 109.744 270.763 Find 39 805.687 30646.129 WriteX 252 24.377 200.465 ReadX 131 9.210 269.501 Flush 24 81.986 367.711 Throughput 0.109101 MB/sec 1 clients 1 procs max_latency=33211.596 ms stopping dbench on /mnt/lustre at Tue Aug 11 00:37:16 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg334-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Tue Aug 11 00:37:28 EDT 2026 waiting for dbench pid 67820 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 11 0.00 MB/sec warmup 1 sec latency 1.011 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35852 3567820 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2476 3604488 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 38328 7172308 1% /mnt/lustre 1 65 1.41 MB/sec warmup 2 sec latency 146.094 ms 1 110 1.75 MB/sec warmup 3 sec latency 142.906 ms 1 128 1.39 MB/sec warmup 4 sec latency 388.133 ms 1 147 1.22 MB/sec warmup 5 sec latency 286.235 ms 1 157 1.07 MB/sec warmup 6 sec latency 348.890 ms 1 173 0.99 MB/sec warmup 7 sec latency 408.037 ms 1 184 0.91 MB/sec warmup 8 sec latency 325.305 ms 1 188 0.83 MB/sec warmup 9 sec latency 948.455 ms 1 199 0.77 MB/sec warmup 10 sec latency 297.259 ms 1 215 0.75 MB/sec warmup 11 sec latency 297.819 ms 1 215 0.69 MB/sec warmup 12 sec latency 1083.439 ms 1 247 0.71 MB/sec warmup 13 sec latency 1098.066 ms 1 282 0.74 MB/sec warmup 14 sec latency 191.884 ms test_26 fail mds1 3 times 1 313 0.76 MB/sec warmup 15 sec latency 135.467 ms 1 331 0.74 MB/sec warmup 16 sec latency 251.792 ms 1 349 0.73 MB/sec warmup 17 sec latency 322.790 ms Failing mds1 on oleg334-server 1 357 0.70 MB/sec warmup 18 sec latency 347.285 ms 1 389 0.72 MB/sec warmup 19 sec latency 400.246 ms Stopping /mnt/lustre-mds1 (opts:) on oleg334-server 1 421 0.32 MB/sec execute 1 sec latency 513.065 ms 1 421 0.16 MB/sec execute 2 sec latency 1513.614 ms 1 421 0.11 MB/sec execute 3 sec latency 2515.113 ms 1 421 0.08 MB/sec execute 4 sec latency 3515.321 ms 1 421 0.06 MB/sec execute 5 sec latency 4529.641 ms 1 421 0.05 MB/sec execute 6 sec latency 5530.374 ms 1 421 0.05 MB/sec execute 7 sec latency 6531.569 ms 1 421 0.04 MB/sec execute 8 sec latency 7531.871 ms 1 421 0.04 MB/sec execute 9 sec latency 8533.167 ms 00:37:57 (1786423077) shut down facet: mds1 facet_host: oleg334-server facet_failover_host: oleg334-server 1 421 0.03 MB/sec execute 10 sec latency 9533.484 ms 1 421 0.03 MB/sec execute 11 sec latency 10534.002 ms 1 421 0.03 MB/sec execute 12 sec latency 11534.175 ms 1 421 0.02 MB/sec execute 13 sec latency 12534.785 ms 1 421 0.02 MB/sec execute 14 sec latency 13550.153 ms 1 421 0.02 MB/sec execute 15 sec latency 14550.497 ms 1 421 0.02 MB/sec execute 16 sec latency 15550.781 ms 1 421 0.02 MB/sec execute 17 sec latency 16551.107 ms 1 421 0.02 MB/sec execute 18 sec latency 17551.352 ms 1 421 0.02 MB/sec execute 19 sec latency 18551.625 ms Failover mds1 to oleg334-server mount facets: mds1 1 421 0.02 MB/sec execute 20 sec latency 19556.007 ms 1 421 0.02 MB/sec execute 21 sec latency 20556.237 ms 1 421 0.01 MB/sec execute 22 sec latency 21557.289 ms 1 421 0.01 MB/sec execute 23 sec latency 22558.013 ms 1 421 0.01 MB/sec execute 24 sec latency 23559.412 ms 1 421 0.01 MB/sec execute 25 sec latency 24564.219 ms 1 421 0.01 MB/sec execute 26 sec latency 25564.478 ms 1 421 0.01 MB/sec execute 27 sec latency 26564.737 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 421 0.01 MB/sec execute 28 sec latency 27564.962 ms 1 421 0.01 MB/sec execute 29 sec latency 28565.180 ms 1 421 0.01 MB/sec execute 30 sec latency 29571.322 ms 1 421 0.01 MB/sec execute 31 sec latency 30594.496 ms 1 421 0.01 MB/sec execute 32 sec latency 31594.854 ms 1 421 0.01 MB/sec execute 33 sec latency 32608.150 ms 1 421 0.01 MB/sec execute 34 sec latency 33608.486 ms 1 421 0.01 MB/sec execute 35 sec latency 34609.934 ms 1 421 0.01 MB/sec execute 36 sec latency 35612.892 ms 1 421 0.01 MB/sec execute 37 sec latency 36667.305 ms 1 421 0.01 MB/sec execute 38 sec latency 37667.610 ms oleg334-server: oleg334-server.virtnet: executing set_default_debug -1 all 1 421 0.01 MB/sec execute 39 sec latency 38667.920 ms pdsh@oleg334-client: oleg334-server: ssh exited with exit code 1 1 421 0.01 MB/sec execute 40 sec latency 39668.123 ms Started lustre-MDT0000 00:38:29 (1786423109) targets are mounted 00:38:29 (1786423109) facet_failover done 1 421 0.01 MB/sec execute 41 sec latency 40668.945 ms 1 421 0.01 MB/sec execute 42 sec latency 41674.778 ms 1 443 0.02 MB/sec execute 43 sec latency 41831.111 ms 1 470 0.04 MB/sec execute 44 sec latency 197.027 ms 1 501 0.06 MB/sec execute 45 sec latency 239.560 ms 1 522 0.08 MB/sec execute 46 sec latency 291.097 ms 1 593 0.13 MB/sec execute 47 sec latency 347.747 ms 1 616 0.13 MB/sec execute 48 sec latency 142.026 ms 1 654 0.13 MB/sec execute 49 sec latency 166.170 ms oleg334-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.13 MB/sec execute 50 sec latency 153.807 ms 1 697 0.13 MB/sec execute 51 sec latency 263.285 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 710 0.13 MB/sec execute 52 sec latency 367.759 ms 1 730 0.13 MB/sec execute 53 sec latency 217.048 ms 1 740 0.12 MB/sec execute 54 sec latency 379.349 ms 1 778 0.12 MB/sec execute 55 sec latency 197.922 ms 1 794 0.12 MB/sec execute 56 sec latency 230.852 ms 1 815 0.12 MB/sec execute 57 sec latency 146.499 ms 1 872 0.12 MB/sec execute 58 sec latency 206.759 ms 1 884 0.12 MB/sec execute 59 sec latency 633.133 ms 1 888 0.12 MB/sec execute 60 sec latency 839.102 ms 1 909 0.12 MB/sec execute 61 sec latency 254.810 ms 1 934 0.12 MB/sec execute 62 sec latency 180.413 ms 1 967 0.11 MB/sec execute 63 sec latency 132.275 ms 1 986 0.11 MB/sec execute 64 sec latency 136.071 ms 1 995 0.11 MB/sec execute 65 sec latency 255.895 ms 1 1074 0.13 MB/sec execute 66 sec latency 98.179 ms 1 1120 0.13 MB/sec execute 67 sec latency 261.380 ms 1 1155 0.12 MB/sec execute 68 sec latency 135.349 ms 1 1194 0.12 MB/sec execute 69 sec latency 175.974 ms 1 1229 0.12 MB/sec execute 70 sec latency 160.356 ms 1 1274 0.12 MB/sec execute 71 sec latency 166.670 ms 1 1403 0.16 MB/sec execute 72 sec latency 105.791 ms 1 1426 0.16 MB/sec execute 73 sec latency 324.419 ms 1 1467 0.15 MB/sec execute 74 sec latency 103.850 ms 1 1497 0.15 MB/sec execute 75 sec latency 279.302 ms 1 1542 0.15 MB/sec execute 76 sec latency 129.573 ms dbench killed by signal 15 1 1591 0.15 MB/sec execute 77 sec latency 93.088 ms stopping dbench on /mnt/lustre at Tue Aug 11 00:39:06 EDT 2026 with return code 0 67820 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67820 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished