== replay-dual test 26: dbench and tar with mds failover ========================================================== 14:41:30 (1788201690) Starting client oleg324-client.virtnet: -o user_xattr,flock 192.168.203.124@tcp:/lustre /mnt/lustre Started clients oleg324-client.virtnet: 192.168.203.124@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 45186 Started dbench loop with 45187 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7505920 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 Mon Aug 31 14:41:37 EDT 2026 waiting for dbench pid 45255 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 31 1.05 MB/sec warmup 1 sec latency 41.393 ms 1 71 1.57 MB/sec warmup 2 sec latency 169.913 ms 1 112 1.74 MB/sec warmup 3 sec latency 238.019 ms 1 142 1.50 MB/sec warmup 4 sec latency 190.113 ms test_26 fail mds1 1 times 1 170 1.38 MB/sec warmup 5 sec latency 212.053 ms 1 192 1.26 MB/sec warmup 6 sec latency 270.867 ms 1 218 1.19 MB/sec warmup 7 sec latency 212.644 ms Failing mds1 on oleg324-server 1 260 1.22 MB/sec warmup 8 sec latency 128.813 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 295 1.21 MB/sec warmup 9 sec latency 123.877 ms 1 296 1.09 MB/sec warmup 10 sec latency 1000.720 ms 1 296 0.99 MB/sec warmup 11 sec latency 2000.968 ms 14:41:49 (1788201709) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 296 0.91 MB/sec warmup 12 sec latency 3003.055 ms 1 296 0.84 MB/sec warmup 13 sec latency 4003.264 ms 1 296 0.78 MB/sec warmup 14 sec latency 5003.459 ms 1 296 0.73 MB/sec warmup 15 sec latency 6004.461 ms 1 296 0.68 MB/sec warmup 16 sec latency 7005.014 ms 1 296 0.64 MB/sec warmup 17 sec latency 8006.042 ms 1 296 0.61 MB/sec warmup 18 sec latency 9006.298 ms 1 296 0.58 MB/sec warmup 19 sec latency 10007.712 ms 1 296 0.00 MB/sec execute 1 sec latency 12011.038 ms Failover mds1 to oleg324-server mount facets: mds1 1 296 0.00 MB/sec execute 2 sec latency 13011.160 ms 1 296 0.00 MB/sec execute 3 sec latency 14015.141 ms 1 296 0.00 MB/sec execute 4 sec latency 15015.333 ms 1 296 0.00 MB/sec execute 5 sec latency 16015.566 ms 1 296 0.00 MB/sec execute 6 sec latency 17015.836 ms 1 296 0.00 MB/sec execute 7 sec latency 18016.360 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 8 sec latency 19016.601 ms 1 296 0.00 MB/sec execute 9 sec latency 20016.821 ms 1 296 0.00 MB/sec execute 10 sec latency 21017.169 ms 1 296 0.00 MB/sec execute 11 sec latency 22017.423 ms 1 296 0.00 MB/sec execute 12 sec latency 23017.922 ms 1 296 0.00 MB/sec execute 13 sec latency 24018.725 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 14 sec latency 25022.490 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 15 sec latency 26022.877 ms Started lustre-MDT0000 14:42:13 (1788201733) targets are mounted 14:42:13 (1788201733) facet_failover done 1 296 0.00 MB/sec execute 16 sec latency 27024.447 ms 1 296 0.00 MB/sec execute 17 sec latency 28024.624 ms 1 296 0.00 MB/sec execute 18 sec latency 29024.865 ms 1 296 0.00 MB/sec execute 19 sec latency 30025.088 ms 1 296 0.00 MB/sec execute 20 sec latency 31027.593 ms 1 296 0.00 MB/sec execute 21 sec latency 32027.873 ms 1 296 0.00 MB/sec execute 22 sec latency 33028.864 ms 1 296 0.00 MB/sec execute 23 sec latency 34029.748 ms 1 296 0.00 MB/sec execute 24 sec latency 35030.000 ms 1 296 0.00 MB/sec execute 25 sec latency 36030.243 ms 1 296 0.00 MB/sec execute 26 sec latency 37033.974 ms 1 296 0.00 MB/sec execute 27 sec latency 38034.256 ms 1 313 0.02 MB/sec execute 28 sec latency 38403.734 ms 1 341 0.04 MB/sec execute 29 sec latency 139.413 ms 1 381 0.09 MB/sec execute 30 sec latency 167.457 ms 1 421 0.13 MB/sec execute 31 sec latency 113.930 ms 1 461 0.16 MB/sec execute 32 sec latency 148.623 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 500 0.20 MB/sec execute 33 sec latency 135.730 ms 1 525 0.21 MB/sec execute 34 sec latency 170.382 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 609 0.29 MB/sec execute 35 sec latency 120.723 ms 1 655 0.28 MB/sec execute 36 sec latency 116.358 ms 1 676 0.28 MB/sec execute 37 sec latency 220.985 ms 1 721 0.27 MB/sec execute 38 sec latency 125.080 ms 1 759 0.27 MB/sec execute 39 sec latency 149.728 ms 1 791 0.26 MB/sec execute 40 sec latency 168.430 ms 1 819 0.26 MB/sec execute 41 sec latency 135.002 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 44032 3664896 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3735552 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7400448 1% /mnt/lustre 1 873 0.25 MB/sec execute 42 sec latency 112.857 ms 1 893 0.25 MB/sec execute 43 sec latency 177.246 ms 1 928 0.25 MB/sec execute 44 sec latency 124.993 ms 1 967 0.24 MB/sec execute 45 sec latency 105.109 ms 1 988 0.24 MB/sec execute 46 sec latency 237.762 ms test_26 fail mds1 2 times 1 1055 0.25 MB/sec execute 47 sec latency 113.626 ms 1 1095 0.25 MB/sec execute 48 sec latency 92.757 ms Failing mds1 on oleg324-server 1 1136 0.24 MB/sec execute 49 sec latency 92.782 ms 1 1172 0.24 MB/sec execute 50 sec latency 111.955 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 1211 0.24 MB/sec execute 51 sec latency 90.017 ms 1 1214 0.23 MB/sec execute 52 sec latency 986.665 ms 1 1214 0.23 MB/sec execute 53 sec latency 1986.915 ms 14:42:51 (1788201771) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 1214 0.22 MB/sec execute 54 sec latency 2987.227 ms 1 1214 0.22 MB/sec execute 55 sec latency 3987.805 ms 1 1214 0.22 MB/sec execute 56 sec latency 4990.218 ms 1 1214 0.21 MB/sec execute 57 sec latency 5991.918 ms 1 1214 0.21 MB/sec execute 58 sec latency 6992.617 ms 1 1214 0.20 MB/sec execute 59 sec latency 7992.812 ms 1 1214 0.20 MB/sec execute 60 sec latency 8993.009 ms 1 1214 0.20 MB/sec execute 61 sec latency 9993.215 ms 1 1214 0.19 MB/sec execute 62 sec latency 10994.436 ms 1 1214 0.19 MB/sec execute 63 sec latency 11995.025 ms 1 1214 0.19 MB/sec execute 64 sec latency 12997.265 ms Failover mds1 to oleg324-server mount facets: mds1 1 1214 0.19 MB/sec execute 65 sec latency 13997.988 ms 1 1214 0.18 MB/sec execute 66 sec latency 14998.350 ms 1 1214 0.18 MB/sec execute 67 sec latency 16002.321 ms 1 1214 0.18 MB/sec execute 68 sec latency 17002.688 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1214 0.18 MB/sec execute 69 sec latency 18003.166 ms 1 1214 0.17 MB/sec execute 70 sec latency 19003.400 ms 1 1214 0.17 MB/sec execute 71 sec latency 20003.807 ms 1 1214 0.17 MB/sec execute 72 sec latency 21004.390 ms 1 1214 0.17 MB/sec execute 73 sec latency 22005.517 ms 1 1214 0.16 MB/sec execute 74 sec latency 23007.059 ms 1 1215 0.16 MB/sec execute 75 sec latency 23848.015 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 1244 0.16 MB/sec execute 76 sec latency 249.882 ms 1 1277 0.16 MB/sec execute 77 sec latency 109.667 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 1406 0.19 MB/sec execute 78 sec latency 98.566 ms Started lustre-MDT0000 14:43:16 (1788201796) targets are mounted 14:43:16 (1788201796) facet_failover done 1 1453 0.19 MB/sec execute 79 sec latency 98.335 ms 1 1497 0.19 MB/sec execute 80 sec latency 198.942 ms 1 1538 0.19 MB/sec execute 81 sec latency 106.168 ms 1 1585 0.18 MB/sec execute 82 sec latency 107.639 ms 1 1632 0.18 MB/sec execute 83 sec latency 100.423 ms 1 1660 0.18 MB/sec execute 84 sec latency 296.567 ms 1 1699 0.18 MB/sec execute 85 sec latency 105.618 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1770 0.18 MB/sec execute 86 sec latency 84.738 ms 1 1814 0.18 MB/sec execute 87 sec latency 113.917 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1849 0.17 MB/sec execute 88 sec latency 135.722 ms 1 1886 0.17 MB/sec execute 89 sec latency 144.521 ms 1 1959 0.17 MB/sec execute 90 sec latency 193.205 ms 1 2000 0.17 MB/sec execute 91 sec latency 114.885 ms 1 2041 0.17 MB/sec execute 92 sec latency 105.355 ms 1 2115 0.17 MB/sec execute 93 sec latency 106.162 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 60416 3695616 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3742720 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7438336 1% /mnt/lustre 1 2160 0.17 MB/sec execute 94 sec latency 101.194 ms 1 2191 0.17 MB/sec execute 95 sec latency 234.170 ms 1 2251 0.16 MB/sec execute 96 sec latency 123.734 ms 1 2330 0.17 MB/sec execute 97 sec latency 88.750 ms 1 2358 0.17 MB/sec execute 98 sec latency 239.435 ms 1 2383 0.17 MB/sec execute 99 sec latency 330.758 ms 1 cleanup 100 sec test_26 fail mds1 3 times 1 cleanup 101 sec 1 cleanup 102 sec Failing mds1 on oleg324-server 1 cleanup 103 sec Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 363 62.916 292.105 Close 317 134.028 38403.702 Rename 13 83.865 140.157 Unlink 33 29.013 51.541 Qpathinfo 317 92.517 23847.995 Qfileinfo 101 1.962 23.845 Qfsinfo 39 3.945 20.751 Sfileinfo 43 64.666 111.932 Find 107 7.278 120.708 WriteX 375 13.569 69.573 ReadX 381 1.824 78.346 Flush 33 141.129 330.733 Throughput 0.171464 MB/sec 1 clients 1 procs max_latency=38403.734 ms stopping dbench on /mnt/lustre at Mon Aug 31 14:43:41 EDT 2026 with return code 0 14:43:46 (1788201826) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server Failover mds1 to oleg324-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 Started lustre-MDT0000 14:44:18 (1788201858) targets are mounted 14:44:18 (1788201858) facet_failover done clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Aug 31 14:44:29 EDT 2026 waiting for dbench pid 47993 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 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 29 0.98 MB/sec warmup 1 sec latency 31.068 ms 1 72 1.57 MB/sec warmup 2 sec latency 155.038 ms 1 118 1.79 MB/sec warmup 3 sec latency 194.872 ms 1 147 1.57 MB/sec warmup 4 sec latency 196.375 ms 1 179 1.45 MB/sec warmup 5 sec latency 119.201 ms 1 207 1.35 MB/sec warmup 6 sec latency 169.248 ms 1 247 1.34 MB/sec warmup 7 sec latency 155.006 ms 1 287 1.34 MB/sec warmup 8 sec latency 128.058 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 24576 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 33792 3708928 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7449600 1% /mnt/lustre 1 315 1.27 MB/sec warmup 9 sec latency 188.632 ms 1 349 1.25 MB/sec warmup 10 sec latency 148.417 ms 1 382 1.23 MB/sec warmup 11 sec latency 139.991 ms 1 429 1.26 MB/sec warmup 12 sec latency 113.359 ms 1 461 1.24 MB/sec warmup 13 sec latency 192.666 ms 1 501 1.25 MB/sec warmup 14 sec latency 140.129 ms 1 531 1.23 MB/sec warmup 15 sec latency 176.639 ms test_26 fail mds1 4 times 1 603 1.31 MB/sec warmup 16 sec latency 175.611 ms 1 649 1.24 MB/sec warmup 17 sec latency 179.656 ms Failing mds1 on oleg324-server 1 671 1.17 MB/sec warmup 18 sec latency 214.546 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 705 1.11 MB/sec warmup 19 sec latency 115.701 ms 1 731 0.00 MB/sec execute 1 sec latency 1049.400 ms 1 731 0.00 MB/sec execute 2 sec latency 2049.702 ms 14:44:51 (1788201891) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 731 0.00 MB/sec execute 3 sec latency 3050.002 ms 1 731 0.00 MB/sec execute 4 sec latency 4050.673 ms 1 731 0.00 MB/sec execute 5 sec latency 5051.887 ms 1 731 0.00 MB/sec execute 6 sec latency 6052.458 ms 1 731 0.00 MB/sec execute 7 sec latency 7052.750 ms 1 731 0.00 MB/sec execute 8 sec latency 8053.697 ms 1 731 0.00 MB/sec execute 9 sec latency 9053.955 ms 1 731 0.00 MB/sec execute 10 sec latency 10054.203 ms 1 731 0.00 MB/sec execute 11 sec latency 11054.522 ms 1 731 0.00 MB/sec execute 12 sec latency 12056.928 ms Failover mds1 to oleg324-server mount facets: mds1 1 731 0.00 MB/sec execute 13 sec latency 13057.066 ms 1 731 0.00 MB/sec execute 14 sec latency 14057.283 ms 1 731 0.00 MB/sec execute 15 sec latency 15057.891 ms 1 731 0.00 MB/sec execute 16 sec latency 16058.077 ms 1 731 0.00 MB/sec execute 17 sec latency 17060.579 ms 1 731 0.00 MB/sec execute 18 sec latency 18062.223 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 731 0.00 MB/sec execute 19 sec latency 19063.402 ms 1 731 0.00 MB/sec execute 20 sec latency 20066.370 ms 1 731 0.00 MB/sec execute 21 sec latency 21066.937 ms 1 731 0.00 MB/sec execute 22 sec latency 22067.139 ms 1 731 0.00 MB/sec execute 23 sec latency 23067.327 ms 1 731 0.00 MB/sec execute 24 sec latency 24068.968 ms 1 731 0.00 MB/sec execute 25 sec latency 25070.093 ms 1 731 0.00 MB/sec execute 26 sec latency 26070.295 ms 1 731 0.00 MB/sec execute 27 sec latency 27074.352 ms 1 731 0.00 MB/sec execute 28 sec latency 28074.604 ms 1 731 0.00 MB/sec execute 29 sec latency 29075.305 ms 1 731 0.00 MB/sec execute 30 sec latency 30076.652 ms 1 731 0.00 MB/sec execute 31 sec latency 31078.282 ms 1 731 0.00 MB/sec execute 32 sec latency 32078.498 ms 1 731 0.00 MB/sec execute 33 sec latency 33080.114 ms 1 731 0.00 MB/sec execute 34 sec latency 34080.384 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 731 0.00 MB/sec execute 35 sec latency 35080.619 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 731 0.00 MB/sec execute 36 sec latency 36080.750 ms Started lustre-MDT0000 14:45:26 (1788201926) targets are mounted 14:45:26 (1788201926) facet_failover done 1 731 0.00 MB/sec execute 37 sec latency 37081.004 ms 1 731 0.00 MB/sec execute 38 sec latency 38081.374 ms 1 731 0.00 MB/sec execute 39 sec latency 39081.879 ms 1 731 0.00 MB/sec execute 40 sec latency 40083.689 ms 1 731 0.00 MB/sec execute 41 sec latency 41083.888 ms 1 731 0.00 MB/sec execute 42 sec latency 42084.213 ms 1 731 0.00 MB/sec execute 43 sec latency 43084.413 ms 1 731 0.00 MB/sec execute 44 sec latency 44084.628 ms 1 731 0.00 MB/sec execute 45 sec latency 45084.827 ms 1 731 0.00 MB/sec execute 46 sec latency 46086.532 ms 1 731 0.00 MB/sec execute 47 sec latency 47087.699 ms 1 731 0.00 MB/sec execute 48 sec latency 48087.976 ms 1 733 0.00 MB/sec execute 49 sec latency 48996.756 ms 1 762 0.00 MB/sec execute 50 sec latency 215.469 ms 1 786 0.00 MB/sec execute 51 sec latency 133.446 ms 1 803 0.00 MB/sec execute 52 sec latency 348.989 ms 1 848 0.00 MB/sec execute 53 sec latency 127.290 ms 1 873 0.01 MB/sec execute 54 sec latency 192.341 ms 1 892 0.01 MB/sec execute 55 sec latency 261.017 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 913 0.01 MB/sec execute 56 sec latency 235.577 ms 1 949 0.01 MB/sec execute 57 sec latency 238.755 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 977 0.01 MB/sec execute 58 sec latency 113.303 ms 1 993 0.01 MB/sec execute 59 sec latency 210.386 ms 1 1011 0.02 MB/sec execute 60 sec latency 213.410 ms 1 1063 0.03 MB/sec execute 61 sec latency 295.041 ms 1 1116 0.03 MB/sec execute 62 sec latency 98.490 ms 1 1154 0.03 MB/sec execute 63 sec latency 103.271 ms 1 1188 0.03 MB/sec execute 64 sec latency 133.649 ms 1 1230 0.03 MB/sec execute 65 sec latency 90.293 ms 1 1263 0.03 MB/sec execute 66 sec latency 96.341 ms 1 1397 0.07 MB/sec execute 67 sec latency 81.647 ms 1 1439 0.07 MB/sec execute 68 sec latency 101.568 ms 1 1474 0.07 MB/sec execute 69 sec latency 207.661 ms 1 1513 0.07 MB/sec execute 70 sec latency 221.780 ms 1 1560 0.07 MB/sec execute 71 sec latency 136.043 ms 1 1603 0.07 MB/sec execute 72 sec latency 86.650 ms 1 1642 0.07 MB/sec execute 73 sec latency 241.138 ms 1 1686 0.07 MB/sec execute 74 sec latency 103.895 ms 1 1725 0.07 MB/sec execute 75 sec latency 156.778 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 31 14:46:05 EDT 2026 with return code 0 47993 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47993 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished