== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:41:01 (1786833661) Starting client oleg624-client.virtnet: -o user_xattr,flock 192.168.206.124@tcp:/lustre /mnt/lustre Started clients oleg624-client.virtnet: 192.168.206.124@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 45167 Started dbench loop with 45168 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] '/usr/share/dbench/client.txt' -> 'client.txt' lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 28672 7492608 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Aug 15 18:41:07 EDT 2026 waiting for dbench pid 45216 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 129.208 ms 1 107 2.52 MB/sec warmup 2 sec latency 137.530 ms 1 137 2.01 MB/sec warmup 3 sec latency 181.900 ms 1 170 1.73 MB/sec warmup 4 sec latency 171.827 ms 1 207 1.62 MB/sec warmup 5 sec latency 126.712 ms test_26 fail mds1 1 times 1 248 1.57 MB/sec warmup 6 sec latency 127.180 ms 1 283 1.50 MB/sec warmup 7 sec latency 114.721 ms Failing mds1 on oleg624-server 1 313 1.43 MB/sec warmup 8 sec latency 189.601 ms Stopping /mnt/lustre-mds1 (opts:) on oleg624-server 1 340 1.36 MB/sec warmup 9 sec latency 221.786 ms 1 349 1.25 MB/sec warmup 10 sec latency 759.232 ms 1 349 1.14 MB/sec warmup 11 sec latency 1759.366 ms 18:41:19 (1786833679) shut down 1 349 1.04 MB/sec warmup 12 sec latency 2760.225 ms facet: mds1 facet_host: oleg624-server facet_failover_host: oleg624-server 1 349 0.96 MB/sec warmup 13 sec latency 3761.032 ms 1 349 0.89 MB/sec warmup 14 sec latency 4761.358 ms 1 349 0.83 MB/sec warmup 15 sec latency 5762.103 ms 1 349 0.78 MB/sec warmup 16 sec latency 6764.153 ms 1 349 0.74 MB/sec warmup 17 sec latency 7764.415 ms 1 349 0.70 MB/sec warmup 18 sec latency 8764.595 ms 1 349 0.66 MB/sec warmup 19 sec latency 9764.784 ms 1 349 0.00 MB/sec execute 1 sec latency 11766.428 ms 1 349 0.00 MB/sec execute 2 sec latency 12767.774 ms Failover mds1 to oleg624-server mount facets: mds1 1 349 0.00 MB/sec execute 3 sec latency 13767.962 ms 1 349 0.00 MB/sec execute 4 sec latency 14768.177 ms 1 349 0.00 MB/sec execute 5 sec latency 15768.980 ms 1 349 0.00 MB/sec execute 6 sec latency 16770.360 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 349 0.00 MB/sec execute 7 sec latency 17770.721 ms 1 349 0.00 MB/sec execute 8 sec latency 18771.015 ms 1 349 0.00 MB/sec execute 9 sec latency 19771.276 ms 1 349 0.00 MB/sec execute 10 sec latency 20771.469 ms 1 349 0.00 MB/sec execute 11 sec latency 21775.276 ms 1 349 0.00 MB/sec execute 12 sec latency 22776.328 ms oleg624-server: oleg624-server.virtnet: executing set_default_debug -1 all 1 349 0.00 MB/sec execute 13 sec latency 23776.760 ms pdsh@oleg624-client: oleg624-server: ssh exited with exit code 1 1 357 0.02 MB/sec execute 14 sec latency 24570.156 ms Started lustre-MDT0000 18:41:41 (1786833701) targets are mounted 18:41:41 (1786833701) facet_failover done 1 413 0.14 MB/sec execute 15 sec latency 125.658 ms 1 453 0.21 MB/sec execute 16 sec latency 135.399 ms 1 490 0.27 MB/sec execute 17 sec latency 174.267 ms 1 522 0.31 MB/sec execute 18 sec latency 164.142 ms 1 598 0.44 MB/sec execute 19 sec latency 217.466 ms 1 639 0.43 MB/sec execute 20 sec latency 144.097 ms 1 666 0.41 MB/sec execute 21 sec latency 312.250 ms oleg624-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 689 0.39 MB/sec execute 22 sec latency 180.828 ms 1 711 0.38 MB/sec execute 23 sec latency 174.071 ms 1 728 0.37 MB/sec execute 24 sec latency 391.395 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 742 0.35 MB/sec execute 25 sec latency 187.954 ms 1 773 0.34 MB/sec execute 26 sec latency 140.140 ms 1 794 0.33 MB/sec execute 27 sec latency 242.743 ms 1 819 0.32 MB/sec execute 28 sec latency 117.598 ms 1 873 0.31 MB/sec execute 29 sec latency 213.378 ms 1 902 0.30 MB/sec execute 30 sec latency 319.562 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3696640 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3673088 2% /mnt/lustre[OST:1] 1 923 0.30 MB/sec execute 31 sec latency 188.078 ms filesystem_summary: 7542784 52224 7369728 1% /mnt/lustre 1 964 0.29 MB/sec execute 32 sec latency 106.749 ms 1 983 0.28 MB/sec execute 33 sec latency 226.068 ms 1 1042 0.30 MB/sec execute 34 sec latency 111.242 ms 1 1099 0.30 MB/sec execute 35 sec latency 92.282 ms 1 1155 0.29 MB/sec execute 36 sec latency 87.231 ms test_26 fail mds1 2 times 1 1198 0.28 MB/sec execute 37 sec latency 83.491 ms 1 1242 0.28 MB/sec execute 38 sec latency 91.751 ms Failing mds1 on oleg624-server 1 1296 0.28 MB/sec execute 39 sec latency 101.611 ms Stopping /mnt/lustre-mds1 (opts:) on oleg624-server 1 1418 0.34 MB/sec execute 40 sec latency 105.055 ms 1 1442 0.33 MB/sec execute 41 sec latency 346.305 ms 1 1442 0.32 MB/sec execute 42 sec latency 1346.531 ms 1 1442 0.31 MB/sec execute 43 sec latency 2346.710 ms 18:42:10 (1786833730) shut down facet: mds1 facet_host: oleg624-server facet_failover_host: oleg624-server 1 1442 0.31 MB/sec execute 44 sec latency 3348.201 ms 1 1442 0.30 MB/sec execute 45 sec latency 4348.445 ms 1 1442 0.29 MB/sec execute 46 sec latency 5348.643 ms 1 1442 0.29 MB/sec execute 47 sec latency 6348.997 ms 1 1442 0.28 MB/sec execute 48 sec latency 7349.279 ms 1 1442 0.28 MB/sec execute 49 sec latency 8349.695 ms 1 1442 0.27 MB/sec execute 50 sec latency 9350.106 ms 1 1442 0.26 MB/sec execute 51 sec latency 10352.328 ms 1 1442 0.26 MB/sec execute 52 sec latency 11352.516 ms 1 1442 0.25 MB/sec execute 53 sec latency 12352.978 ms Failover mds1 to oleg624-server mount facets: mds1 1 1442 0.25 MB/sec execute 54 sec latency 13356.800 ms 1 1442 0.25 MB/sec execute 55 sec latency 14356.980 ms 1 1442 0.24 MB/sec execute 56 sec latency 15357.158 ms 1 1442 0.24 MB/sec execute 57 sec latency 16357.372 ms 1 1442 0.23 MB/sec execute 58 sec latency 17357.648 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1442 0.23 MB/sec execute 59 sec latency 18357.912 ms 1 1442 0.22 MB/sec execute 60 sec latency 19358.153 ms 1 1442 0.22 MB/sec execute 61 sec latency 20358.512 ms 1 1442 0.22 MB/sec execute 62 sec latency 21359.732 ms 1 1442 0.21 MB/sec execute 63 sec latency 22359.920 ms 1 1442 0.21 MB/sec execute 64 sec latency 23360.223 ms oleg624-server: oleg624-server.virtnet: executing set_default_debug -1 all 1 1442 0.21 MB/sec execute 65 sec latency 24360.690 ms pdsh@oleg624-client: oleg624-server: ssh exited with exit code 1 1 1442 0.20 MB/sec execute 66 sec latency 25364.457 ms Started lustre-MDT0000 18:42:34 (1786833754) targets are mounted 18:42:34 (1786833754) facet_failover done 1 1442 0.20 MB/sec execute 67 sec latency 26366.371 ms 1 1442 0.20 MB/sec execute 68 sec latency 27366.544 ms 1 1442 0.20 MB/sec execute 69 sec latency 28367.521 ms 1 1442 0.19 MB/sec execute 70 sec latency 29369.345 ms 1 1442 0.19 MB/sec execute 71 sec latency 30370.006 ms 1 1442 0.19 MB/sec execute 72 sec latency 31372.301 ms 1 1442 0.18 MB/sec execute 73 sec latency 32372.492 ms 1 1442 0.18 MB/sec execute 74 sec latency 33372.737 ms 1 1442 0.18 MB/sec execute 75 sec latency 34373.635 ms 1 1442 0.18 MB/sec execute 76 sec latency 35373.847 ms 1 1442 0.18 MB/sec execute 77 sec latency 36374.017 ms 1 1442 0.17 MB/sec execute 78 sec latency 37375.496 ms 1 1442 0.17 MB/sec execute 79 sec latency 38379.008 ms 1 1442 0.17 MB/sec execute 80 sec latency 39379.193 ms 1 1442 0.17 MB/sec execute 81 sec latency 40383.230 ms 1 1459 0.16 MB/sec execute 82 sec latency 40551.780 ms 1 1497 0.16 MB/sec execute 83 sec latency 219.392 ms 1 1527 0.16 MB/sec execute 84 sec latency 121.295 ms 1 1580 0.16 MB/sec execute 85 sec latency 116.125 ms 1 1625 0.16 MB/sec execute 86 sec latency 158.688 ms 1 1651 0.16 MB/sec execute 87 sec latency 318.852 ms oleg624-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1686 0.16 MB/sec execute 88 sec latency 134.545 ms 1 1731 0.15 MB/sec execute 89 sec latency 97.104 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1783 0.15 MB/sec execute 90 sec latency 127.422 ms 1 1828 0.15 MB/sec execute 91 sec latency 173.671 ms 1 1876 0.15 MB/sec execute 92 sec latency 113.681 ms 1 1928 0.15 MB/sec execute 93 sec latency 219.286 ms 1 1984 0.15 MB/sec execute 94 sec latency 116.828 ms 1 2063 0.15 MB/sec execute 95 sec latency 104.264 ms 1 2117 0.15 MB/sec execute 96 sec latency 123.330 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 22528 3733504 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 50176 3693568 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7427072 1% /mnt/lustre 1 2162 0.15 MB/sec execute 97 sec latency 93.797 ms 1 2210 0.15 MB/sec execute 98 sec latency 117.635 ms 1 2295 0.15 MB/sec execute 99 sec latency 116.089 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec test_26 fail mds1 3 times 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 345 131.822 24570.136 Close 300 147.802 40551.762 Rename 11 102.829 198.955 Unlink 31 34.537 72.593 Qpathinfo 307 17.649 201.551 Qfileinfo 90 1.843 9.317 Qfsinfo 37 3.092 17.508 Sfileinfo 36 63.520 175.669 Find 100 6.200 108.310 WriteX 334 12.172 64.986 ReadX 377 2.560 115.351 Flush 31 166.496 391.381 Throughput 0.153716 MB/sec 1 clients 1 procs max_latency=40551.780 ms stopping dbench on /mnt/lustre at Sat Aug 15 18:43:11 EDT 2026 with return code 0 Failing mds1 on oleg624-server clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Stopping /mnt/lustre-mds1 (opts:) on oleg624-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 18:43:15 (1786833795) shut down facet: mds1 facet_host: oleg624-server facet_failover_host: oleg624-server Failover mds1 to oleg624-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg624-server: oleg624-server.virtnet: executing set_default_debug -1 all pdsh@oleg624-client: oleg624-server: ssh exited with exit code 1 Started lustre-MDT0000 18:43:39 (1786833819) targets are mounted 18:43:39 (1786833819) facet_failover done '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Aug 15 18:43:55 EDT 2026 waiting for dbench pid 47806 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 1 32 1.04 MB/sec warmup 1 sec latency 85.283 ms oleg624-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 103 2.39 MB/sec warmup 2 sec latency 147.136 ms 1 139 2.00 MB/sec warmup 3 sec latency 149.534 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 171 1.75 MB/sec warmup 4 sec latency 219.734 ms 1 197 1.57 MB/sec warmup 5 sec latency 198.059 ms 1 222 1.43 MB/sec warmup 6 sec latency 178.938 ms 1 253 1.37 MB/sec warmup 7 sec latency 143.112 ms 1 290 1.34 MB/sec warmup 8 sec latency 145.358 ms 1 339 1.36 MB/sec warmup 9 sec latency 93.891 ms 1 381 1.35 MB/sec warmup 10 sec latency 128.245 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 17408 3712000 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 43008 3674112 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 60416 7386112 1% /mnt/lustre 1 414 1.33 MB/sec warmup 11 sec latency 151.236 ms 1 453 1.32 MB/sec warmup 12 sec latency 123.044 ms 1 501 1.34 MB/sec warmup 13 sec latency 99.809 ms 1 543 1.36 MB/sec warmup 14 sec latency 122.838 ms 1 655 1.40 MB/sec warmup 15 sec latency 63.666 ms test_26 fail mds1 4 times 1 689 1.32 MB/sec warmup 16 sec latency 153.521 ms 1 721 1.25 MB/sec warmup 17 sec latency 129.667 ms Failing mds1 on oleg624-server 1 736 1.18 MB/sec warmup 18 sec latency 263.099 ms Stopping /mnt/lustre-mds1 (opts:) on oleg624-server 1 778 1.12 MB/sec warmup 19 sec latency 110.448 ms 1 799 0.00 MB/sec execute 1 sec latency 1174.872 ms 1 799 0.00 MB/sec execute 2 sec latency 2177.630 ms 18:44:17 (1786833857) shut down facet: mds1 facet_host: oleg624-server facet_failover_host: oleg624-server 1 799 0.00 MB/sec execute 3 sec latency 3177.857 ms 1 799 0.00 MB/sec execute 4 sec latency 4178.635 ms 1 799 0.00 MB/sec execute 5 sec latency 5179.547 ms 1 799 0.00 MB/sec execute 6 sec latency 6179.826 ms 1 799 0.00 MB/sec execute 7 sec latency 7180.179 ms 1 799 0.00 MB/sec execute 8 sec latency 8180.548 ms 1 799 0.00 MB/sec execute 9 sec latency 9181.171 ms 1 799 0.00 MB/sec execute 10 sec latency 10182.516 ms 1 799 0.00 MB/sec execute 11 sec latency 11183.121 ms 1 799 0.00 MB/sec execute 12 sec latency 12183.318 ms Failover mds1 to oleg624-server mount facets: mds1 1 799 0.00 MB/sec execute 13 sec latency 13183.513 ms 1 799 0.00 MB/sec execute 14 sec latency 14184.729 ms 1 799 0.00 MB/sec execute 15 sec latency 15184.918 ms 1 799 0.00 MB/sec execute 16 sec latency 16187.454 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 799 0.00 MB/sec execute 17 sec latency 17187.700 ms 1 799 0.00 MB/sec execute 18 sec latency 18189.209 ms 1 799 0.00 MB/sec execute 19 sec latency 19189.445 ms 1 799 0.00 MB/sec execute 20 sec latency 20191.235 ms 1 799 0.00 MB/sec execute 21 sec latency 21194.979 ms 1 799 0.00 MB/sec execute 22 sec latency 22195.163 ms oleg624-server: oleg624-server.virtnet: executing set_default_debug -1 all 1 799 0.00 MB/sec execute 23 sec latency 23195.385 ms 1 801 0.00 MB/sec execute 24 sec latency 24096.329 ms pdsh@oleg624-client: oleg624-server: ssh exited with exit code 1 Started lustre-MDT0000 18:44:40 (1786833880) targets are mounted 18:44:40 (1786833880) facet_failover done 1 851 0.00 MB/sec execute 25 sec latency 117.547 ms 1 888 0.01 MB/sec execute 26 sec latency 159.574 ms 1 914 0.01 MB/sec execute 27 sec latency 256.524 ms 1 952 0.01 MB/sec execute 28 sec latency 114.974 ms 1 983 0.01 MB/sec execute 29 sec latency 230.771 ms 1 1011 0.03 MB/sec execute 30 sec latency 193.241 ms 1 1067 0.05 MB/sec execute 31 sec latency 216.515 ms oleg624-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1132 0.05 MB/sec execute 32 sec latency 85.754 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1173 0.05 MB/sec execute 33 sec latency 88.009 ms 1 1214 0.05 MB/sec execute 34 sec latency 76.196 ms 1 1244 0.05 MB/sec execute 35 sec latency 113.556 ms 1 1378 0.13 MB/sec execute 36 sec latency 124.788 ms 1 1426 0.12 MB/sec execute 37 sec latency 85.592 ms 1 1481 0.12 MB/sec execute 38 sec latency 146.128 ms 1 1525 0.12 MB/sec execute 39 sec latency 188.711 ms 1 1572 0.12 MB/sec execute 40 sec latency 155.916 ms 1 1624 0.11 MB/sec execute 41 sec latency 90.719 ms 1 1662 0.11 MB/sec execute 42 sec latency 242.999 ms 1 1725 0.11 MB/sec execute 43 sec latency 84.861 ms 1 1805 0.11 MB/sec execute 44 sec latency 77.113 ms 1 1861 0.11 MB/sec execute 45 sec latency 106.902 ms 1 1888 0.11 MB/sec execute 46 sec latency 369.679 ms 1 1974 0.11 MB/sec execute 47 sec latency 108.910 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 15 18:45:03 EDT 2026 with return code 0 47806 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47806 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished