== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:23:02 (1787138582) Starting client oleg310-client.virtnet: -o user_xattr,flock 192.168.203.110@tcp:/lustre /mnt/lustre Started clients oleg310-client.virtnet: 192.168.203.110@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 65666 Started dbench loop with 65669 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3588900 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194376 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 Wed Aug 19 07:23:08 EDT 2026 waiting for dbench pid 65746 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 147.947 ms 1 54 1.05 MB/sec warmup 2 sec latency 186.180 ms 1 107 1.68 MB/sec warmup 3 sec latency 173.461 ms 1 137 1.50 MB/sec warmup 4 sec latency 211.782 ms 1 164 1.36 MB/sec warmup 5 sec latency 191.472 ms 1 180 1.22 MB/sec warmup 6 sec latency 466.546 ms 1 187 1.07 MB/sec warmup 7 sec latency 681.348 ms 1 219 1.05 MB/sec warmup 8 sec latency 155.122 ms 1 262 1.10 MB/sec warmup 9 sec latency 126.608 ms test_26 fail mds1 1 times 1 289 1.07 MB/sec warmup 10 sec latency 139.401 ms 1 323 1.07 MB/sec warmup 11 sec latency 164.040 ms Failing mds1 on oleg310-server 1 349 1.04 MB/sec warmup 12 sec latency 198.327 ms Stopping /mnt/lustre-mds1 (opts:) on oleg310-server 1 386 1.05 MB/sec warmup 13 sec latency 121.449 ms 1 413 1.04 MB/sec warmup 14 sec latency 394.512 ms 1 413 0.97 MB/sec warmup 15 sec latency 1395.007 ms 1 413 0.91 MB/sec warmup 16 sec latency 2395.335 ms 07:23:24 (1787138604) shut down facet: mds1 facet_host: oleg310-server facet_failover_host: oleg310-server 1 413 0.86 MB/sec warmup 17 sec latency 3395.701 ms 1 413 0.81 MB/sec warmup 18 sec latency 4396.530 ms 1 413 0.77 MB/sec warmup 19 sec latency 5396.736 ms 1 413 0.00 MB/sec execute 1 sec latency 7397.170 ms 1 413 0.00 MB/sec execute 2 sec latency 8397.364 ms 1 413 0.00 MB/sec execute 3 sec latency 9397.774 ms 1 413 0.00 MB/sec execute 4 sec latency 10399.559 ms 1 413 0.00 MB/sec execute 5 sec latency 11399.745 ms 1 413 0.00 MB/sec execute 6 sec latency 12402.491 ms Failover mds1 to oleg310-server mount facets: mds1 1 413 0.00 MB/sec execute 7 sec latency 13408.417 ms 1 413 0.00 MB/sec execute 8 sec latency 14409.127 ms 1 413 0.00 MB/sec execute 9 sec latency 15415.442 ms 1 413 0.00 MB/sec execute 10 sec latency 16415.863 ms 1 413 0.00 MB/sec execute 11 sec latency 17416.138 ms 1 413 0.00 MB/sec execute 12 sec latency 18416.748 ms 1 413 0.00 MB/sec execute 13 sec latency 19423.785 ms 1 413 0.00 MB/sec execute 14 sec latency 20424.049 ms 1 413 0.00 MB/sec execute 15 sec latency 21424.320 ms 1 413 0.00 MB/sec execute 16 sec latency 22425.812 ms 1 413 0.00 MB/sec execute 17 sec latency 23430.295 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 413 0.00 MB/sec execute 18 sec latency 24430.983 ms 1 413 0.00 MB/sec execute 19 sec latency 25431.987 ms 1 413 0.00 MB/sec execute 20 sec latency 26433.433 ms 1 413 0.00 MB/sec execute 21 sec latency 27433.694 ms 1 413 0.00 MB/sec execute 22 sec latency 28434.759 ms 1 413 0.00 MB/sec execute 23 sec latency 29436.520 ms 1 413 0.00 MB/sec execute 24 sec latency 30437.385 ms 1 413 0.00 MB/sec execute 25 sec latency 31442.443 ms 1 413 0.00 MB/sec execute 26 sec latency 32463.757 ms 1 413 0.00 MB/sec execute 27 sec latency 33464.192 ms 1 413 0.00 MB/sec execute 28 sec latency 34466.754 ms 1 413 0.00 MB/sec execute 29 sec latency 35467.738 ms oleg310-server: oleg310-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 30 sec latency 36468.934 ms 1 413 0.00 MB/sec execute 31 sec latency 37469.321 ms pdsh@oleg310-client: oleg310-server: ssh exited with exit code 1 1 413 0.00 MB/sec execute 32 sec latency 38470.162 ms Started lustre-MDT0000 07:24:01 (1787138641) targets are mounted 07:24:01 (1787138641) facet_failover done 1 413 0.00 MB/sec execute 33 sec latency 39470.406 ms 1 436 0.02 MB/sec execute 34 sec latency 39682.783 ms 1 465 0.05 MB/sec execute 35 sec latency 184.190 ms 1 492 0.07 MB/sec execute 36 sec latency 167.913 ms 1 519 0.09 MB/sec execute 37 sec latency 151.395 ms 1 552 0.12 MB/sec execute 38 sec latency 197.258 ms 1 577 0.13 MB/sec execute 39 sec latency 994.861 ms 1 616 0.16 MB/sec execute 40 sec latency 92.086 ms 1 657 0.16 MB/sec execute 41 sec latency 112.317 ms oleg310-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 687 0.16 MB/sec execute 42 sec latency 134.228 ms 1 710 0.15 MB/sec execute 43 sec latency 124.361 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 733 0.15 MB/sec execute 44 sec latency 200.463 ms 1 765 0.15 MB/sec execute 45 sec latency 157.255 ms 1 780 0.15 MB/sec execute 46 sec latency 188.533 ms 1 809 0.15 MB/sec execute 47 sec latency 102.173 ms 1 856 0.14 MB/sec execute 48 sec latency 107.843 ms 1 882 0.14 MB/sec execute 49 sec latency 127.061 ms 1 907 0.14 MB/sec execute 50 sec latency 158.456 ms 1 933 0.14 MB/sec execute 51 sec latency 129.554 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33756 3572028 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19696 3577692 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53452 7149720 1% /mnt/lustre 1 955 0.14 MB/sec execute 52 sec latency 142.340 ms 1 977 0.14 MB/sec execute 53 sec latency 189.557 ms 1 993 0.13 MB/sec execute 54 sec latency 201.065 ms 1 1050 0.15 MB/sec execute 55 sec latency 84.514 ms 1 1091 0.15 MB/sec execute 56 sec latency 92.512 ms 1 1132 0.15 MB/sec execute 57 sec latency 111.214 ms 1 1163 0.14 MB/sec execute 58 sec latency 142.968 ms 1 1172 0.14 MB/sec execute 59 sec latency 853.485 ms 1 1178 0.14 MB/sec execute 60 sec latency 1544.447 ms 1 1216 0.14 MB/sec execute 61 sec latency 88.204 ms test_26 fail mds2 2 times 1 1245 0.14 MB/sec execute 62 sec latency 183.476 ms 1 1274 0.14 MB/sec execute 63 sec latency 126.894 ms 1 1391 0.18 MB/sec execute 64 sec latency 161.352 ms Failing mds2 on oleg310-server 1 1419 0.18 MB/sec execute 65 sec latency 133.357 ms Stopping /mnt/lustre-mds2 (opts:) on oleg310-server 1 1461 0.17 MB/sec execute 66 sec latency 139.074 ms 1 1509 0.17 MB/sec execute 67 sec latency 99.385 ms 1 1558 0.17 MB/sec execute 68 sec latency 108.929 ms 07:24:37 (1787138677) shut down facet: mds2 facet_host: oleg310-server facet_failover_host: oleg310-server 1 1605 0.17 MB/sec execute 69 sec latency 102.230 ms 1 1662 0.17 MB/sec execute 70 sec latency 79.704 ms 1 1706 0.16 MB/sec execute 71 sec latency 136.237 ms 1 1775 0.16 MB/sec execute 72 sec latency 83.161 ms 1 1843 0.16 MB/sec execute 73 sec latency 90.000 ms 1 1903 0.16 MB/sec execute 74 sec latency 92.983 ms 1 1977 0.16 MB/sec execute 75 sec latency 70.967 ms 1 2030 0.16 MB/sec execute 76 sec latency 110.252 ms 1 2108 0.16 MB/sec execute 77 sec latency 88.778 ms 1 2166 0.15 MB/sec execute 78 sec latency 109.506 ms Failover mds2 to oleg310-server 1 2244 0.15 MB/sec execute 79 sec latency 82.309 ms mount facets: mds2 1 2259 0.15 MB/sec execute 80 sec latency 780.253 ms 1 2259 0.15 MB/sec execute 81 sec latency 1780.895 ms 1 2259 0.15 MB/sec execute 82 sec latency 2781.127 ms 1 2259 0.15 MB/sec execute 83 sec latency 3782.467 ms 1 2259 0.14 MB/sec execute 84 sec latency 4782.860 ms 1 2259 0.14 MB/sec execute 85 sec latency 5783.241 ms 1 2259 0.14 MB/sec execute 86 sec latency 6783.533 ms 1 2259 0.14 MB/sec execute 87 sec latency 7784.364 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 88 sec latency 8784.814 ms 1 2259 0.14 MB/sec execute 89 sec latency 9785.008 ms 1 2259 0.14 MB/sec execute 90 sec latency 10791.429 ms 1 2259 0.13 MB/sec execute 91 sec latency 11791.579 ms 1 2259 0.13 MB/sec execute 92 sec latency 12795.136 ms 1 2259 0.13 MB/sec execute 93 sec latency 13796.130 ms 1 2259 0.13 MB/sec execute 94 sec latency 14796.408 ms oleg310-server: oleg310-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 95 sec latency 15796.823 ms pdsh@oleg310-client: oleg310-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 96 sec latency 16797.020 ms Started lustre-MDT0001 07:25:05 (1787138705) targets are mounted 07:25:05 (1787138705) facet_failover done 1 2259 0.13 MB/sec execute 97 sec latency 17798.605 ms 1 2333 0.13 MB/sec execute 98 sec latency 18014.224 ms 1 2368 0.13 MB/sec execute 99 sec latency 90.680 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg310-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 346 228.031 39682.759 Close 299 13.550 50.648 Rename 13 115.201 183.443 Unlink 33 31.068 58.479 Qpathinfo 316 17.038 123.807 Qfileinfo 84 3.282 18.143 Qfsinfo 39 5.794 30.207 Sfileinfo 41 76.164 200.439 Find 106 14.259 65.144 WriteX 299 16.886 98.810 ReadX 381 2.776 98.943 Flush 32 62.979 184.780 Throughput 0.134023 MB/sec 1 clients 1 procs max_latency=39682.783 ms stopping dbench on /mnt/lustre at Wed Aug 19 07:25:12 EDT 2026 with return code 0 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 fnv_1a_64 /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 Wed Aug 19 07:25:20 EDT 2026 waiting for dbench pid 67880 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2316 1268988 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 22384 3578672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20140 3584928 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 42524 7163600 1% /mnt/lustre 1 19 0.33 MB/sec warmup 1 sec latency 11.101 ms 1 74 1.57 MB/sec warmup 2 sec latency 162.916 ms 1 121 1.83 MB/sec warmup 3 sec latency 111.493 ms 1 154 1.63 MB/sec warmup 4 sec latency 256.202 ms 1 164 1.36 MB/sec warmup 5 sec latency 645.688 ms 1 164 1.13 MB/sec warmup 6 sec latency 1646.452 ms 1 184 1.05 MB/sec warmup 7 sec latency 1823.089 ms 1 202 0.98 MB/sec warmup 8 sec latency 552.355 ms 1 245 1.04 MB/sec warmup 9 sec latency 117.990 ms test_26 fail mds1 3 times 1 285 1.06 MB/sec warmup 10 sec latency 129.117 ms 1 314 1.04 MB/sec warmup 11 sec latency 128.515 ms Failing mds1 on oleg310-server 1 339 1.02 MB/sec warmup 12 sec latency 214.714 ms Stopping /mnt/lustre-mds1 (opts:) on oleg310-server 1 366 1.00 MB/sec warmup 13 sec latency 218.933 ms 1 404 1.02 MB/sec warmup 14 sec latency 138.353 ms 1 404 0.95 MB/sec warmup 15 sec latency 1021.270 ms 1 404 0.89 MB/sec warmup 16 sec latency 2021.586 ms 1 404 0.84 MB/sec warmup 17 sec latency 3021.811 ms 1 404 0.80 MB/sec warmup 18 sec latency 4021.997 ms 1 404 0.75 MB/sec warmup 19 sec latency 5022.388 ms 1 404 0.00 MB/sec execute 1 sec latency 7027.638 ms 1 404 0.00 MB/sec execute 2 sec latency 8028.184 ms 1 404 0.00 MB/sec execute 3 sec latency 9028.395 ms 07:25:44 (1787138744) shut down facet: mds1 facet_host: oleg310-server facet_failover_host: oleg310-server 1 404 0.00 MB/sec execute 4 sec latency 10028.607 ms 1 404 0.00 MB/sec execute 5 sec latency 11028.830 ms 1 404 0.00 MB/sec execute 6 sec latency 12029.072 ms 1 404 0.00 MB/sec execute 7 sec latency 13029.328 ms 1 404 0.00 MB/sec execute 8 sec latency 14030.064 ms 1 404 0.00 MB/sec execute 9 sec latency 15030.283 ms 1 404 0.00 MB/sec execute 10 sec latency 16030.487 ms 1 404 0.00 MB/sec execute 11 sec latency 17030.665 ms 1 404 0.00 MB/sec execute 12 sec latency 18030.874 ms 1 404 0.00 MB/sec execute 13 sec latency 19031.158 ms Failover mds1 to oleg310-server mount facets: mds1 1 404 0.00 MB/sec execute 14 sec latency 20034.629 ms 1 404 0.00 MB/sec execute 15 sec latency 21034.835 ms 1 404 0.00 MB/sec execute 16 sec latency 22037.518 ms 1 404 0.00 MB/sec execute 17 sec latency 23037.754 ms 1 404 0.00 MB/sec execute 18 sec latency 24038.606 ms 1 404 0.00 MB/sec execute 19 sec latency 25041.973 ms 1 404 0.00 MB/sec execute 20 sec latency 26042.247 ms 1 404 0.00 MB/sec execute 21 sec latency 27042.997 ms 1 404 0.00 MB/sec execute 22 sec latency 28043.536 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 404 0.00 MB/sec execute 23 sec latency 29043.901 ms 1 404 0.00 MB/sec execute 24 sec latency 30044.112 ms 1 404 0.00 MB/sec execute 25 sec latency 31044.804 ms 1 404 0.00 MB/sec execute 26 sec latency 32045.024 ms 1 404 0.00 MB/sec execute 27 sec latency 33046.470 ms 1 404 0.00 MB/sec execute 28 sec latency 34046.882 ms 1 404 0.00 MB/sec execute 29 sec latency 35047.443 ms 1 404 0.00 MB/sec execute 30 sec latency 36047.708 ms 1 404 0.00 MB/sec execute 31 sec latency 37047.945 ms 1 404 0.00 MB/sec execute 32 sec latency 38048.302 ms 1 404 0.00 MB/sec execute 33 sec latency 39049.357 ms 1 404 0.00 MB/sec execute 34 sec latency 40050.821 ms 1 404 0.00 MB/sec execute 35 sec latency 41052.290 ms 1 404 0.00 MB/sec execute 36 sec latency 42053.368 ms oleg310-server: oleg310-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 37 sec latency 43055.023 ms pdsh@oleg310-client: oleg310-server: ssh exited with exit code 1 1 405 0.00 MB/sec execute 38 sec latency 43959.537 ms Started lustre-MDT0000 07:26:19 (1787138779) targets are mounted 07:26:19 (1787138779) facet_failover done 1 436 0.03 MB/sec execute 39 sec latency 187.475 ms 1 477 0.06 MB/sec execute 40 sec latency 112.790 ms 1 504 0.08 MB/sec execute 41 sec latency 142.888 ms 1 536 0.11 MB/sec execute 42 sec latency 221.066 ms 1 616 0.15 MB/sec execute 43 sec latency 138.203 ms 1 661 0.15 MB/sec execute 44 sec latency 161.676 ms 1 689 0.15 MB/sec execute 45 sec latency 128.051 ms 1 714 0.15 MB/sec execute 46 sec latency 133.248 ms oleg310-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.15 MB/sec execute 47 sec latency 114.517 ms 1 769 0.15 MB/sec execute 48 sec latency 128.264 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.14 MB/sec execute 49 sec latency 196.610 ms 1 813 0.14 MB/sec execute 50 sec latency 141.822 ms 1 854 0.14 MB/sec execute 51 sec latency 135.021 ms 1 884 0.14 MB/sec execute 52 sec latency 245.756 ms 1 897 0.14 MB/sec execute 53 sec latency 744.962 ms 1 921 0.14 MB/sec execute 54 sec latency 141.513 ms 1 957 0.14 MB/sec execute 55 sec latency 101.287 ms 1 985 0.13 MB/sec execute 56 sec latency 112.314 ms 1 1041 0.15 MB/sec execute 57 sec latency 112.683 ms 1 1079 0.15 MB/sec execute 58 sec latency 145.205 ms 1 1132 0.15 MB/sec execute 59 sec latency 77.471 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1173 0.14 MB/sec execute 60 sec latency 106.656 ms 1 1221 0.14 MB/sec execute 61 sec latency 90.621 ms 1 1244 0.14 MB/sec execute 62 sec latency 113.856 ms 1 1278 0.14 MB/sec execute 63 sec latency 124.230 ms 1 1403 0.18 MB/sec execute 64 sec latency 84.944 ms 1 1448 0.18 MB/sec execute 65 sec latency 88.857 ms 1 1484 0.18 MB/sec execute 66 sec latency 374.842 ms 1 1514 0.17 MB/sec execute 67 sec latency 107.971 ms 1 1561 0.17 MB/sec execute 68 sec latency 106.364 ms 1 1608 0.17 MB/sec execute 69 sec latency 113.222 ms 1 1653 0.17 MB/sec execute 70 sec latency 98.599 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 19 07:26:51 EDT 2026 with return code 0 1 1692 0.17 MB/sec execute 71 sec latency 131.114 ms 67880 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67880 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished