== replay-dual test 26: dbench and tar with mds failover ========================================================== 06:11:14 (1789121474) Starting client oleg217-client.virtnet: -o user_xattr,flock 192.168.202.117@tcp:/lustre /mnt/lustre Started clients oleg217-client.virtnet: 192.168.202.117@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 65976 Started dbench loop with 65977 striped dir -i0 -c2 -H crush /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3593016 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1548 3605472 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3116 7198488 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 06:11:20 EDT 2026 waiting for dbench pid 66056 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 3.648 ms 1 56 1.11 MB/sec warmup 2 sec latency 229.983 ms 1 111 1.74 MB/sec warmup 3 sec latency 150.206 ms 1 137 1.50 MB/sec warmup 4 sec latency 170.468 ms 1 169 1.37 MB/sec warmup 5 sec latency 223.650 ms 1 180 1.22 MB/sec warmup 6 sec latency 709.232 ms 1 184 1.05 MB/sec warmup 7 sec latency 1207.104 ms 1 202 0.98 MB/sec warmup 8 sec latency 519.910 ms 1 240 1.01 MB/sec warmup 9 sec latency 142.047 ms 1 279 1.04 MB/sec warmup 10 sec latency 117.662 ms test_26 fail mds1 1 times 1 306 1.02 MB/sec warmup 11 sec latency 171.730 ms 1 331 1.00 MB/sec warmup 12 sec latency 224.830 ms Failing mds1 on oleg217-server 1 357 0.98 MB/sec warmup 13 sec latency 197.663 ms Stopping /mnt/lustre-mds1 (opts:) on oleg217-server 1 397 1.00 MB/sec warmup 14 sec latency 114.681 ms 1 420 0.99 MB/sec warmup 15 sec latency 545.695 ms 1 420 0.93 MB/sec warmup 16 sec latency 1547.358 ms 1 420 0.87 MB/sec warmup 17 sec latency 2547.653 ms 06:11:37 (1789121497) shut down facet: mds1 facet_host: oleg217-server facet_failover_host: oleg217-server 1 420 0.82 MB/sec warmup 18 sec latency 3548.141 ms 1 420 0.78 MB/sec warmup 19 sec latency 4548.411 ms 1 420 0.00 MB/sec execute 1 sec latency 6548.841 ms 1 420 0.00 MB/sec execute 2 sec latency 7550.498 ms 1 420 0.00 MB/sec execute 3 sec latency 8550.771 ms 1 420 0.00 MB/sec execute 4 sec latency 9551.699 ms 1 420 0.00 MB/sec execute 5 sec latency 10560.077 ms 1 420 0.00 MB/sec execute 6 sec latency 11560.373 ms 1 420 0.00 MB/sec execute 7 sec latency 12560.708 ms Failover mds1 to oleg217-server mount facets: mds1 1 420 0.00 MB/sec execute 8 sec latency 13560.955 ms 1 420 0.00 MB/sec execute 9 sec latency 14571.240 ms 1 420 0.00 MB/sec execute 10 sec latency 15573.117 ms 1 420 0.00 MB/sec execute 11 sec latency 16576.728 ms 1 420 0.00 MB/sec execute 12 sec latency 17583.094 ms 1 420 0.00 MB/sec execute 13 sec latency 18589.588 ms 1 420 0.00 MB/sec execute 14 sec latency 19589.823 ms 1 420 0.00 MB/sec execute 15 sec latency 20590.156 ms 1 420 0.00 MB/sec execute 16 sec latency 21591.040 ms 1 420 0.00 MB/sec execute 17 sec latency 22591.344 ms 1 420 0.00 MB/sec execute 18 sec latency 23591.543 ms 1 420 0.00 MB/sec execute 19 sec latency 24591.813 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 420 0.00 MB/sec execute 20 sec latency 25607.293 ms 1 420 0.00 MB/sec execute 21 sec latency 26610.063 ms 1 420 0.00 MB/sec execute 22 sec latency 27610.603 ms 1 420 0.00 MB/sec execute 23 sec latency 28611.648 ms 1 420 0.00 MB/sec execute 24 sec latency 29612.526 ms 1 420 0.00 MB/sec execute 25 sec latency 30612.780 ms 1 420 0.00 MB/sec execute 26 sec latency 31615.375 ms 1 420 0.00 MB/sec execute 27 sec latency 32616.376 ms oleg217-server: oleg217-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 28 sec latency 33616.649 ms pdsh@oleg217-client: oleg217-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 29 sec latency 34619.632 ms Started lustre-MDT0000 06:12:10 (1789121530) targets are mounted 06:12:10 (1789121530) facet_failover done 1 420 0.00 MB/sec execute 30 sec latency 35620.422 ms 1 453 0.03 MB/sec execute 31 sec latency 35702.600 ms 1 486 0.06 MB/sec execute 32 sec latency 139.880 ms 1 513 0.09 MB/sec execute 33 sec latency 144.250 ms 1 552 0.12 MB/sec execute 34 sec latency 341.823 ms 1 603 0.17 MB/sec execute 35 sec latency 810.667 ms 1 654 0.17 MB/sec execute 36 sec latency 131.875 ms 1 688 0.17 MB/sec execute 37 sec latency 136.827 ms oleg217-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 710 0.17 MB/sec execute 38 sec latency 154.443 ms 1 735 0.16 MB/sec execute 39 sec latency 177.479 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.16 MB/sec execute 40 sec latency 148.653 ms 1 789 0.16 MB/sec execute 41 sec latency 167.503 ms 1 808 0.16 MB/sec execute 42 sec latency 188.041 ms 1 848 0.16 MB/sec execute 43 sec latency 173.637 ms 1 874 0.15 MB/sec execute 44 sec latency 165.333 ms 1 902 0.15 MB/sec execute 45 sec latency 139.302 ms 1 924 0.15 MB/sec execute 46 sec latency 122.420 ms 1 959 0.15 MB/sec execute 47 sec latency 157.951 ms 1 981 0.15 MB/sec execute 48 sec latency 148.980 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33572 3568520 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19472 3585484 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53044 7154004 1% /mnt/lustre 1 1000 0.15 MB/sec execute 49 sec latency 163.714 ms 1 1061 0.16 MB/sec execute 50 sec latency 77.859 ms 1 1095 0.16 MB/sec execute 51 sec latency 134.684 ms 1 1132 0.16 MB/sec execute 52 sec latency 94.925 ms 1 1154 0.15 MB/sec execute 53 sec latency 208.231 ms 1 1172 0.15 MB/sec execute 54 sec latency 188.065 ms 1 1172 0.15 MB/sec execute 55 sec latency 1060.168 ms 1 1192 0.15 MB/sec execute 56 sec latency 1364.036 ms 1 1231 0.14 MB/sec execute 57 sec latency 122.334 ms 1 1269 0.14 MB/sec execute 58 sec latency 168.244 ms 1 1392 0.19 MB/sec execute 59 sec latency 125.159 ms 1 1432 0.19 MB/sec execute 60 sec latency 81.183 ms test_26 fail mds2 2 times 1 1496 0.18 MB/sec execute 61 sec latency 90.750 ms 1 1538 0.18 MB/sec execute 62 sec latency 95.612 ms Failing mds2 on oleg217-server 1 1574 0.18 MB/sec execute 63 sec latency 111.374 ms Stopping /mnt/lustre-mds2 (opts:) on oleg217-server 1 1619 0.18 MB/sec execute 64 sec latency 113.871 ms 1 1653 0.17 MB/sec execute 65 sec latency 140.951 ms 1 1687 0.17 MB/sec execute 66 sec latency 163.087 ms 1 1729 0.17 MB/sec execute 67 sec latency 164.552 ms 06:12:48 (1789121568) shut down facet: mds2 facet_host: oleg217-server facet_failover_host: oleg217-server 1 1783 0.17 MB/sec execute 68 sec latency 146.822 ms 1 1842 0.17 MB/sec execute 69 sec latency 91.049 ms 1 1908 0.17 MB/sec execute 70 sec latency 96.861 ms 1 1978 0.16 MB/sec execute 71 sec latency 125.671 ms 1 2055 0.16 MB/sec execute 72 sec latency 132.701 ms 1 2148 0.16 MB/sec execute 73 sec latency 64.597 ms 1 2203 0.16 MB/sec execute 74 sec latency 115.532 ms 1 2259 0.16 MB/sec execute 75 sec latency 548.405 ms 1 2259 0.16 MB/sec execute 76 sec latency 1548.600 ms 1 2259 0.15 MB/sec execute 77 sec latency 2549.451 ms Failover mds2 to oleg217-server 1 2259 0.15 MB/sec execute 78 sec latency 3550.833 ms mount facets: mds2 1 2259 0.15 MB/sec execute 79 sec latency 4552.071 ms 1 2259 0.15 MB/sec execute 80 sec latency 5554.192 ms 1 2259 0.15 MB/sec execute 81 sec latency 6554.830 ms 1 2259 0.14 MB/sec execute 82 sec latency 7555.081 ms 1 2259 0.14 MB/sec execute 83 sec latency 8555.755 ms 1 2259 0.14 MB/sec execute 84 sec latency 9556.055 ms 1 2259 0.14 MB/sec execute 85 sec latency 10556.268 ms 1 2259 0.14 MB/sec execute 86 sec latency 11560.073 ms 1 2259 0.14 MB/sec execute 87 sec latency 12560.335 ms 1 2259 0.14 MB/sec execute 88 sec latency 13561.295 ms 1 2259 0.13 MB/sec execute 89 sec latency 14561.487 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 90 sec latency 15561.840 ms 1 2259 0.13 MB/sec execute 91 sec latency 16565.145 ms 1 2259 0.13 MB/sec execute 92 sec latency 17565.423 ms 1 2259 0.13 MB/sec execute 93 sec latency 18566.517 ms 1 2259 0.13 MB/sec execute 94 sec latency 19566.859 ms 1 2259 0.13 MB/sec execute 95 sec latency 20567.560 ms 1 2259 0.12 MB/sec execute 96 sec latency 21568.317 ms 1 2259 0.12 MB/sec execute 97 sec latency 22568.737 ms oleg217-server: oleg217-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 98 sec latency 23569.396 ms pdsh@oleg217-client: oleg217-server: ssh exited with exit code 1 1 2296 0.13 MB/sec execute 99 sec latency 24134.584 ms Started lustre-MDT0001 06:13:20 (1789121600) targets are mounted 06:13:20 (1789121600) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 337 132.408 24134.562 Close 295 134.210 35702.568 Rename 12 126.328 208.197 Unlink 31 33.855 103.488 Qpathinfo 310 17.150 139.761 Qfileinfo 81 1.957 14.865 Qfsinfo 37 5.550 45.410 Sfileinfo 38 70.268 188.031 Find 100 13.482 50.842 WriteX 290 13.674 71.137 ReadX 377 2.975 84.093 Flush 31 67.312 165.319 Throughput 0.129962 MB/sec 1 clients 1 procs max_latency=35702.600 ms stopping dbench on /mnt/lustre at Fri Sep 11 06:13:25 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg217-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H all_char /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 Fri Sep 11 06:13:35 EDT 2026 waiting for dbench pid 68161 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 110.415 ms 1 71 1.56 MB/sec warmup 2 sec latency 111.952 ms 1 113 1.74 MB/sec warmup 3 sec latency 174.512 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1956 3604680 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45276 3559624 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47232 7164304 1% /mnt/lustre 1 139 1.50 MB/sec warmup 4 sec latency 293.208 ms 1 165 1.36 MB/sec warmup 5 sec latency 184.435 ms 1 189 1.26 MB/sec warmup 6 sec latency 345.409 ms 1 222 1.23 MB/sec warmup 7 sec latency 151.652 ms 1 255 1.20 MB/sec warmup 8 sec latency 131.112 ms 1 278 1.16 MB/sec warmup 9 sec latency 471.127 ms 1 278 1.04 MB/sec warmup 10 sec latency 1471.369 ms 1 293 0.98 MB/sec warmup 11 sec latency 1939.343 ms 1 323 0.98 MB/sec warmup 12 sec latency 136.759 ms 1 365 1.00 MB/sec warmup 13 sec latency 122.732 ms test_26 fail mds1 3 times 1 397 1.00 MB/sec warmup 14 sec latency 139.261 ms 1 430 1.01 MB/sec warmup 15 sec latency 157.730 ms 1 461 1.01 MB/sec warmup 16 sec latency 166.566 ms Failing mds1 on oleg217-server 1 494 1.01 MB/sec warmup 17 sec latency 140.811 ms Stopping /mnt/lustre-mds1 (opts:) on oleg217-server 1 517 0.99 MB/sec warmup 18 sec latency 153.140 ms 1 598 1.10 MB/sec warmup 19 sec latency 106.828 ms 1 600 0.00 MB/sec execute 1 sec latency 1982.545 ms 1 600 0.00 MB/sec execute 2 sec latency 2982.753 ms 1 600 0.00 MB/sec execute 3 sec latency 3995.535 ms 1 600 0.00 MB/sec execute 4 sec latency 4996.962 ms 1 600 0.00 MB/sec execute 5 sec latency 5997.439 ms 1 600 0.00 MB/sec execute 6 sec latency 6997.657 ms 1 600 0.00 MB/sec execute 7 sec latency 7998.264 ms 1 600 0.00 MB/sec execute 8 sec latency 8998.575 ms 1 600 0.00 MB/sec execute 9 sec latency 9998.893 ms 06:14:05 (1789121645) shut down facet: mds1 facet_host: oleg217-server facet_failover_host: oleg217-server 1 600 0.00 MB/sec execute 10 sec latency 10999.807 ms 1 600 0.00 MB/sec execute 11 sec latency 12000.170 ms 1 600 0.00 MB/sec execute 12 sec latency 13000.932 ms 1 600 0.00 MB/sec execute 13 sec latency 14001.548 ms 1 600 0.00 MB/sec execute 14 sec latency 15001.879 ms 1 600 0.00 MB/sec execute 15 sec latency 16005.293 ms 1 600 0.00 MB/sec execute 16 sec latency 17005.667 ms 1 600 0.00 MB/sec execute 17 sec latency 18006.196 ms 1 600 0.00 MB/sec execute 18 sec latency 19006.472 ms 1 600 0.00 MB/sec execute 19 sec latency 20008.442 ms 1 600 0.00 MB/sec execute 20 sec latency 21010.665 ms Failover mds1 to oleg217-server mount facets: mds1 1 600 0.00 MB/sec execute 21 sec latency 22011.088 ms 1 600 0.00 MB/sec execute 22 sec latency 23011.441 ms 1 600 0.00 MB/sec execute 23 sec latency 24012.322 ms 1 600 0.00 MB/sec execute 24 sec latency 25012.664 ms 1 600 0.00 MB/sec execute 25 sec latency 26018.960 ms 1 600 0.00 MB/sec execute 26 sec latency 27019.224 ms 1 600 0.00 MB/sec execute 27 sec latency 28024.648 ms 1 600 0.00 MB/sec execute 28 sec latency 29024.943 ms 1 600 0.00 MB/sec execute 29 sec latency 30027.295 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 600 0.00 MB/sec execute 30 sec latency 31027.522 ms 1 600 0.00 MB/sec execute 31 sec latency 32028.965 ms 1 600 0.00 MB/sec execute 32 sec latency 33029.215 ms 1 600 0.00 MB/sec execute 33 sec latency 34029.624 ms 1 600 0.00 MB/sec execute 34 sec latency 35030.755 ms 1 600 0.00 MB/sec execute 35 sec latency 36032.375 ms 1 600 0.00 MB/sec execute 36 sec latency 37032.934 ms 1 600 0.00 MB/sec execute 37 sec latency 38036.009 ms 1 600 0.00 MB/sec execute 38 sec latency 39038.929 ms 1 600 0.00 MB/sec execute 39 sec latency 40039.660 ms 1 600 0.00 MB/sec execute 40 sec latency 41040.564 ms 1 600 0.00 MB/sec execute 41 sec latency 42041.344 ms oleg217-server: oleg217-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 42 sec latency 43041.933 ms 1 603 0.00 MB/sec execute 43 sec latency 43929.350 ms pdsh@oleg217-client: oleg217-server: ssh exited with exit code 1 1 642 0.00 MB/sec execute 44 sec latency 180.726 ms 1 669 0.00 MB/sec execute 45 sec latency 164.717 ms Started lustre-MDT0000 06:14:41 (1789121681) targets are mounted 06:14:41 (1789121681) facet_failover done 1 708 0.01 MB/sec execute 46 sec latency 130.416 ms 1 738 0.01 MB/sec execute 47 sec latency 109.835 ms 1 776 0.01 MB/sec execute 48 sec latency 141.791 ms 1 799 0.01 MB/sec execute 49 sec latency 155.541 ms 1 825 0.01 MB/sec execute 50 sec latency 126.864 ms 1 873 0.01 MB/sec execute 51 sec latency 139.718 ms 1 884 0.01 MB/sec execute 52 sec latency 486.097 ms 1 884 0.01 MB/sec execute 53 sec latency 1486.401 ms oleg217-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 902 0.01 MB/sec execute 54 sec latency 1763.394 ms 1 921 0.01 MB/sec execute 55 sec latency 147.470 ms 1 952 0.01 MB/sec execute 56 sec latency 171.355 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 977 0.02 MB/sec execute 57 sec latency 159.813 ms 1 995 0.02 MB/sec execute 58 sec latency 157.445 ms 1 1011 0.02 MB/sec execute 59 sec latency 280.496 ms 1 1060 0.03 MB/sec execute 60 sec latency 326.418 ms 1 1112 0.03 MB/sec execute 61 sec latency 95.208 ms 1 1155 0.03 MB/sec execute 62 sec latency 105.362 ms 1 1189 0.03 MB/sec execute 63 sec latency 131.613 ms 1 1223 0.03 MB/sec execute 64 sec latency 99.923 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1251 0.03 MB/sec execute 65 sec latency 144.369 ms 1 1280 0.03 MB/sec execute 66 sec latency 110.240 ms 1 1405 0.08 MB/sec execute 67 sec latency 108.525 ms 1 1446 0.07 MB/sec execute 68 sec latency 128.809 ms 1 1474 0.07 MB/sec execute 69 sec latency 430.263 ms 1 1509 0.07 MB/sec execute 70 sec latency 171.965 ms 1 1572 0.07 MB/sec execute 71 sec latency 105.538 ms 1 1621 0.07 MB/sec execute 72 sec latency 102.796 ms 1 1656 0.07 MB/sec execute 73 sec latency 150.650 ms 1 1690 0.07 MB/sec execute 74 sec latency 130.096 ms 1 1735 0.07 MB/sec execute 75 sec latency 162.387 ms 1 1771 0.07 MB/sec execute 76 sec latency 149.676 ms tar: Error is not recoverable: exiting now 1 1820 0.07 MB/sec execute 77 sec latency 93.879 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 06:15:13 EDT 2026 with return code 0 68161 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68161 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished