== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:22:49 (1781230969) Starting client oleg116-client.virtnet: -o user_xattr,flock 192.168.201.116@tcp:/lustre /mnt/lustre Started clients oleg116-client.virtnet: 192.168.201.116@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 64910 Started dbench loop with 64911 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 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3588988 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7194444 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 Thu Jun 11 22:22:56 EDT 2026 waiting for dbench pid 64990 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 8 0.00 MB/sec warmup 1 sec latency 143.165 ms 1 51 1.05 MB/sec warmup 2 sec latency 132.633 ms 1 98 1.48 MB/sec warmup 3 sec latency 141.030 ms 1 127 1.42 MB/sec warmup 4 sec latency 235.046 ms 1 153 1.29 MB/sec warmup 5 sec latency 218.025 ms 1 157 1.09 MB/sec warmup 6 sec latency 779.435 ms 1 174 1.01 MB/sec warmup 7 sec latency 1147.129 ms 1 189 0.94 MB/sec warmup 8 sec latency 526.193 ms 1 215 0.93 MB/sec warmup 9 sec latency 165.860 ms 1 243 0.92 MB/sec warmup 10 sec latency 197.573 ms test_26 fail mds1 1 times 1 279 0.95 MB/sec warmup 11 sec latency 119.803 ms 1 305 0.93 MB/sec warmup 12 sec latency 155.570 ms Failing mds1 on oleg116-server 1 333 0.92 MB/sec warmup 13 sec latency 175.747 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 361 0.91 MB/sec warmup 14 sec latency 204.329 ms 1 388 0.92 MB/sec warmup 15 sec latency 238.454 ms 1 388 0.86 MB/sec warmup 16 sec latency 1238.690 ms 1 388 0.81 MB/sec warmup 17 sec latency 2238.928 ms 22:23:13 (1781230993) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 388 0.77 MB/sec warmup 18 sec latency 3240.689 ms 1 388 0.73 MB/sec warmup 19 sec latency 4241.137 ms 1 388 0.00 MB/sec execute 1 sec latency 6245.514 ms 1 388 0.00 MB/sec execute 2 sec latency 7245.775 ms 1 388 0.00 MB/sec execute 3 sec latency 8245.984 ms 1 388 0.00 MB/sec execute 4 sec latency 9246.273 ms 1 388 0.00 MB/sec execute 5 sec latency 10246.909 ms 1 388 0.00 MB/sec execute 6 sec latency 11247.179 ms 1 388 0.00 MB/sec execute 7 sec latency 12248.069 ms Failover mds1 to oleg116-server mount facets: mds1 1 388 0.00 MB/sec execute 8 sec latency 13248.268 ms 1 388 0.00 MB/sec execute 9 sec latency 14248.660 ms 1 388 0.00 MB/sec execute 10 sec latency 15251.864 ms 1 388 0.00 MB/sec execute 11 sec latency 16252.129 ms 1 388 0.00 MB/sec execute 12 sec latency 17252.625 ms 1 388 0.00 MB/sec execute 13 sec latency 18252.969 ms 1 388 0.00 MB/sec execute 14 sec latency 19253.230 ms 1 388 0.00 MB/sec execute 15 sec latency 20253.396 ms 1 388 0.00 MB/sec execute 16 sec latency 21253.678 ms 1 388 0.00 MB/sec execute 17 sec latency 22253.896 ms 1 388 0.00 MB/sec execute 18 sec latency 23254.395 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 388 0.00 MB/sec execute 19 sec latency 24255.485 ms 1 388 0.00 MB/sec execute 20 sec latency 25255.693 ms 1 388 0.00 MB/sec execute 21 sec latency 26256.323 ms 1 388 0.00 MB/sec execute 22 sec latency 27256.700 ms 1 388 0.00 MB/sec execute 23 sec latency 28256.901 ms 1 388 0.00 MB/sec execute 24 sec latency 29257.170 ms 1 388 0.00 MB/sec execute 25 sec latency 30257.639 ms 1 388 0.00 MB/sec execute 26 sec latency 31257.895 ms 1 388 0.00 MB/sec execute 27 sec latency 32258.157 ms 1 388 0.00 MB/sec execute 28 sec latency 33258.745 ms 1 388 0.00 MB/sec execute 29 sec latency 34259.697 ms 1 388 0.00 MB/sec execute 30 sec latency 35260.140 ms 1 388 0.00 MB/sec execute 31 sec latency 36261.492 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 388 0.00 MB/sec execute 32 sec latency 37270.354 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 388 0.00 MB/sec execute 33 sec latency 38281.041 ms 1 389 0.00 MB/sec execute 34 sec latency 39058.070 ms Started lustre-MDT0000 22:23:50 (1781231030) targets are mounted 22:23:50 (1781231030) facet_failover done 1 422 0.03 MB/sec execute 35 sec latency 309.632 ms 1 461 0.06 MB/sec execute 36 sec latency 153.257 ms 1 501 0.10 MB/sec execute 37 sec latency 133.700 ms 1 535 0.13 MB/sec execute 38 sec latency 155.849 ms 1 571 0.14 MB/sec execute 39 sec latency 647.106 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 639 0.18 MB/sec execute 40 sec latency 128.574 ms 1 666 0.18 MB/sec execute 41 sec latency 131.743 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 697 0.18 MB/sec execute 42 sec latency 122.270 ms 1 730 0.17 MB/sec execute 43 sec latency 133.690 ms 1 762 0.17 MB/sec execute 44 sec latency 110.695 ms 1 798 0.17 MB/sec execute 45 sec latency 120.705 ms 1 865 0.17 MB/sec execute 46 sec latency 79.439 ms 1 904 0.17 MB/sec execute 47 sec latency 75.262 ms 1 940 0.17 MB/sec execute 48 sec latency 123.000 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2056 1269248 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13296 3580656 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34608 3569320 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47904 7149976 1% /mnt/lustre 1 970 0.16 MB/sec execute 49 sec latency 127.494 ms 1 990 0.16 MB/sec execute 50 sec latency 152.278 ms 1 1057 0.18 MB/sec execute 51 sec latency 105.939 ms 1 1099 0.18 MB/sec execute 52 sec latency 96.969 ms 1 1136 0.17 MB/sec execute 53 sec latency 123.443 ms 1 1172 0.17 MB/sec execute 54 sec latency 200.959 ms 1 1176 0.17 MB/sec execute 55 sec latency 924.267 ms 1 1217 0.16 MB/sec execute 56 sec latency 89.190 ms 1 1242 0.16 MB/sec execute 57 sec latency 170.396 ms 1 1278 0.16 MB/sec execute 58 sec latency 125.855 ms 1 1418 0.21 MB/sec execute 59 sec latency 73.385 ms test_26 fail mds2 2 times 1 1465 0.20 MB/sec execute 60 sec latency 110.066 ms 1 1502 0.20 MB/sec execute 61 sec latency 102.897 ms Failing mds2 on oleg116-server 1 1551 0.20 MB/sec execute 62 sec latency 125.325 ms Stopping /mnt/lustre-mds2 (opts:) on oleg116-server 1 1607 0.20 MB/sec execute 63 sec latency 77.617 ms 1 1650 0.19 MB/sec execute 64 sec latency 191.007 ms 1 1701 0.19 MB/sec execute 65 sec latency 102.090 ms 1 1793 0.19 MB/sec execute 66 sec latency 68.351 ms 1 1865 0.19 MB/sec execute 67 sec latency 69.039 ms 1 1924 0.19 MB/sec execute 68 sec latency 135.527 ms 1 2008 0.18 MB/sec execute 69 sec latency 57.996 ms 1 2095 0.18 MB/sec execute 70 sec latency 67.407 ms 1 2152 0.18 MB/sec execute 71 sec latency 90.533 ms 1 2175 0.18 MB/sec execute 72 sec latency 133.585 ms 22:24:29 (1781231069) shut down facet: mds2 facet_host: oleg116-server facet_failover_host: oleg116-server 1 2238 0.18 MB/sec execute 73 sec latency 109.328 ms 1 2259 0.17 MB/sec execute 74 sec latency 725.524 ms 1 2259 0.17 MB/sec execute 75 sec latency 1726.208 ms 1 2259 0.17 MB/sec execute 76 sec latency 2726.391 ms 1 2259 0.17 MB/sec execute 77 sec latency 3727.046 ms 1 2259 0.17 MB/sec execute 78 sec latency 4727.253 ms 1 2259 0.16 MB/sec execute 79 sec latency 5727.530 ms 1 2259 0.16 MB/sec execute 80 sec latency 6727.722 ms 1 2259 0.16 MB/sec execute 81 sec latency 7727.932 ms 1 2259 0.16 MB/sec execute 82 sec latency 8729.208 ms 1 2259 0.16 MB/sec execute 83 sec latency 9730.040 ms Failover mds2 to oleg116-server mount facets: mds2 1 2259 0.15 MB/sec execute 84 sec latency 10730.453 ms 1 2259 0.15 MB/sec execute 85 sec latency 11730.626 ms 1 2259 0.15 MB/sec execute 86 sec latency 12730.901 ms 1 2259 0.15 MB/sec execute 87 sec latency 13731.316 ms 1 2259 0.15 MB/sec execute 88 sec latency 14732.778 ms 1 2259 0.15 MB/sec execute 89 sec latency 15733.050 ms 1 2259 0.14 MB/sec execute 90 sec latency 16733.339 ms 1 2259 0.14 MB/sec execute 91 sec latency 17733.536 ms 1 2259 0.14 MB/sec execute 92 sec latency 18733.789 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 93 sec latency 19736.390 ms 1 2259 0.14 MB/sec execute 94 sec latency 20736.593 ms 1 2259 0.14 MB/sec execute 95 sec latency 21737.044 ms 1 2259 0.13 MB/sec execute 96 sec latency 22737.997 ms 1 2259 0.13 MB/sec execute 97 sec latency 23740.235 ms 1 2259 0.13 MB/sec execute 98 sec latency 24740.508 ms 1 2259 0.13 MB/sec execute 99 sec latency 25740.774 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 22:24:58 (1781231098) targets are mounted 22:24:58 (1781231098) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 334 143.791 29416.238 Close 291 145.495 39058.037 Rename 11 94.286 200.763 Unlink 30 29.002 60.457 Qpathinfo 295 14.064 123.420 Qfileinfo 83 2.365 11.918 Qfsinfo 33 3.557 16.209 Sfileinfo 34 67.057 145.317 Find 92 9.883 40.203 WriteX 291 14.266 78.204 ReadX 348 2.293 135.491 Flush 30 51.824 111.000 Throughput 0.130765 MB/sec 1 clients 1 procs max_latency=39058.070 ms stopping dbench on /mnt/lustre at Thu Jun 11 22:25:04 EDT 2026 with return code 0 oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 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 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 Thu Jun 11 22:25:12 EDT 2026 waiting for dbench pid 67081 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 202.698 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35688 3569828 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10908 3595016 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46596 7164844 1% /mnt/lustre 1 52 1.04 MB/sec warmup 2 sec latency 137.347 ms 1 111 1.74 MB/sec warmup 3 sec latency 120.964 ms 1 137 1.50 MB/sec warmup 4 sec latency 149.977 ms 1 165 1.36 MB/sec warmup 5 sec latency 145.201 ms 1 186 1.24 MB/sec warmup 6 sec latency 389.963 ms 1 222 1.23 MB/sec warmup 7 sec latency 111.267 ms 1 222 1.08 MB/sec warmup 8 sec latency 1039.499 ms 1 222 0.96 MB/sec warmup 9 sec latency 2040.045 ms 1 255 0.96 MB/sec warmup 10 sec latency 2145.551 ms 1 297 1.00 MB/sec warmup 11 sec latency 122.655 ms 1 332 1.00 MB/sec warmup 12 sec latency 239.004 ms test_26 fail mds1 3 times 1 365 1.00 MB/sec warmup 13 sec latency 146.518 ms 1 398 1.00 MB/sec warmup 14 sec latency 149.248 ms Failing mds1 on oleg116-server 1 436 1.02 MB/sec warmup 15 sec latency 152.264 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 469 1.02 MB/sec warmup 16 sec latency 106.676 ms 1 501 1.03 MB/sec warmup 17 sec latency 158.215 ms 1 501 0.97 MB/sec warmup 18 sec latency 1141.441 ms 1 501 0.92 MB/sec warmup 19 sec latency 2146.102 ms 22:25:32 (1781231132) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 501 0.00 MB/sec execute 1 sec latency 4147.697 ms 1 501 0.00 MB/sec execute 2 sec latency 5147.922 ms 1 501 0.00 MB/sec execute 3 sec latency 6148.065 ms 1 501 0.00 MB/sec execute 4 sec latency 7149.445 ms 1 501 0.00 MB/sec execute 5 sec latency 8150.433 ms 1 501 0.00 MB/sec execute 6 sec latency 9151.026 ms 1 501 0.00 MB/sec execute 7 sec latency 10151.220 ms 1 501 0.00 MB/sec execute 8 sec latency 11153.621 ms 1 501 0.00 MB/sec execute 9 sec latency 12153.920 ms Failover mds1 to oleg116-server 1 501 0.00 MB/sec execute 10 sec latency 13156.467 ms mount facets: mds1 1 501 0.00 MB/sec execute 11 sec latency 14156.671 ms 1 501 0.00 MB/sec execute 12 sec latency 15157.696 ms 1 501 0.00 MB/sec execute 13 sec latency 16158.918 ms 1 501 0.00 MB/sec execute 14 sec latency 17162.465 ms 1 501 0.00 MB/sec execute 15 sec latency 18162.721 ms 1 501 0.00 MB/sec execute 16 sec latency 19163.118 ms 1 501 0.00 MB/sec execute 17 sec latency 20163.341 ms 1 501 0.00 MB/sec execute 18 sec latency 21166.167 ms 1 501 0.00 MB/sec execute 19 sec latency 22166.437 ms 1 501 0.00 MB/sec execute 20 sec latency 23166.630 ms 1 501 0.00 MB/sec execute 21 sec latency 24168.405 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 22 sec latency 25169.493 ms 1 501 0.00 MB/sec execute 23 sec latency 26169.962 ms 1 501 0.00 MB/sec execute 24 sec latency 27170.149 ms 1 501 0.00 MB/sec execute 25 sec latency 28173.304 ms 1 501 0.00 MB/sec execute 26 sec latency 29173.578 ms 1 501 0.00 MB/sec execute 27 sec latency 30174.755 ms 1 501 0.00 MB/sec execute 28 sec latency 31174.982 ms 1 501 0.00 MB/sec execute 29 sec latency 32175.180 ms 1 501 0.00 MB/sec execute 30 sec latency 33175.596 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 31 sec latency 34177.127 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 32 sec latency 35177.386 ms Started lustre-MDT0000 1 501 0.00 MB/sec execute 33 sec latency 36205.148 ms 22:26:06 (1781231166) targets are mounted 22:26:06 (1781231166) facet_failover done 1 518 0.01 MB/sec execute 34 sec latency 36797.699 ms 1 590 0.08 MB/sec execute 35 sec latency 112.557 ms 1 649 0.10 MB/sec execute 36 sec latency 107.248 ms 1 689 0.10 MB/sec execute 37 sec latency 132.618 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 711 0.10 MB/sec execute 38 sec latency 158.474 ms 1 735 0.10 MB/sec execute 39 sec latency 132.972 ms 1 765 0.10 MB/sec execute 40 sec latency 153.676 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.10 MB/sec execute 41 sec latency 130.481 ms 1 815 0.10 MB/sec execute 42 sec latency 132.025 ms 1 873 0.10 MB/sec execute 43 sec latency 126.278 ms 1 884 0.10 MB/sec execute 44 sec latency 615.666 ms 1 918 0.10 MB/sec execute 45 sec latency 648.257 ms 1 970 0.09 MB/sec execute 46 sec latency 132.891 ms 1 1028 0.11 MB/sec execute 47 sec latency 82.850 ms 1 1084 0.11 MB/sec execute 48 sec latency 78.316 ms 1 1134 0.11 MB/sec execute 49 sec latency 113.184 ms 1 1181 0.11 MB/sec execute 50 sec latency 88.033 ms 1 1225 0.11 MB/sec execute 51 sec latency 77.434 ms 1 1259 0.11 MB/sec execute 52 sec latency 115.380 ms 1 1378 0.16 MB/sec execute 53 sec latency 195.796 ms 1 1428 0.16 MB/sec execute 54 sec latency 135.169 ms 1 1470 0.16 MB/sec execute 55 sec latency 341.355 ms 1 1509 0.15 MB/sec execute 56 sec latency 101.500 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jun 11 22:26:29 EDT 2026 with return code 0 67081 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67081 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished