== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:51:08 (1784047868) Starting client oleg417-client.virtnet: -o user_xattr,flock 192.168.204.117@tcp:/lustre /mnt/lustre Started clients oleg417-client.virtnet: 192.168.204.117@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 44907 Started dbench loop with 44908 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3734528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3755008 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7489536 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 Tue Jul 14 12:51:13 EDT 2026 waiting for dbench pid 44978 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 34 1.05 MB/sec warmup 1 sec latency 157.214 ms 1 88 2.03 MB/sec warmup 2 sec latency 149.617 ms 1 135 1.98 MB/sec warmup 3 sec latency 151.628 ms 1 168 1.70 MB/sec warmup 4 sec latency 117.010 ms test_26 fail mds1 1 times 1 207 1.62 MB/sec warmup 5 sec latency 128.427 ms 1 254 1.61 MB/sec warmup 6 sec latency 100.890 ms Failing mds1 on oleg417-server Stopping /mnt/lustre-mds1 (opts:) on oleg417-server 1 297 1.57 MB/sec warmup 7 sec latency 116.411 ms 1 330 1.50 MB/sec warmup 8 sec latency 189.801 ms 1 330 1.33 MB/sec warmup 9 sec latency 1190.409 ms 12:51:23 (1784047883) shut down facet: mds1 facet_host: oleg417-server facet_failover_host: oleg417-server 1 330 1.20 MB/sec warmup 10 sec latency 2190.669 ms 1 330 1.09 MB/sec warmup 11 sec latency 3191.195 ms 1 330 1.00 MB/sec warmup 12 sec latency 4191.857 ms 1 330 0.92 MB/sec warmup 13 sec latency 5192.061 ms 1 330 0.86 MB/sec warmup 14 sec latency 6192.242 ms 1 330 0.80 MB/sec warmup 15 sec latency 7192.514 ms 1 330 0.75 MB/sec warmup 16 sec latency 8192.680 ms 1 330 0.71 MB/sec warmup 17 sec latency 9192.832 ms 1 330 0.67 MB/sec warmup 18 sec latency 10193.048 ms 1 330 0.63 MB/sec warmup 19 sec latency 11193.273 ms Failover mds1 to oleg417-server mount facets: mds1 1 330 0.00 MB/sec execute 1 sec latency 13198.599 ms 1 330 0.00 MB/sec execute 2 sec latency 14199.839 ms 1 330 0.00 MB/sec execute 3 sec latency 15199.982 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 330 0.00 MB/sec execute 4 sec latency 16200.225 ms 1 330 0.00 MB/sec execute 5 sec latency 17205.599 ms 1 330 0.00 MB/sec execute 6 sec latency 18205.839 ms 1 330 0.00 MB/sec execute 7 sec latency 19206.014 ms 1 330 0.00 MB/sec execute 8 sec latency 20206.549 ms oleg417-server: oleg417-server.virtnet: executing set_default_debug -1 all 1 330 0.00 MB/sec execute 9 sec latency 21207.107 ms 1 330 0.00 MB/sec execute 10 sec latency 22207.334 ms pdsh@oleg417-client: oleg417-server: ssh exited with exit code 1 1 341 0.02 MB/sec execute 11 sec latency 22741.646 ms Started lustre-MDT0000 12:51:45 (1784047905) targets are mounted 12:51:45 (1784047905) facet_failover done 1 379 0.12 MB/sec execute 12 sec latency 140.441 ms 1 423 0.22 MB/sec execute 13 sec latency 97.726 ms 1 470 0.32 MB/sec execute 14 sec latency 108.307 ms 1 511 0.38 MB/sec execute 15 sec latency 139.784 ms 1 574 0.46 MB/sec execute 16 sec latency 186.749 ms 1 650 0.53 MB/sec execute 17 sec latency 86.942 ms oleg417-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.51 MB/sec execute 18 sec latency 213.302 ms 1 721 0.49 MB/sec execute 19 sec latency 87.835 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.46 MB/sec execute 20 sec latency 162.227 ms 1 778 0.44 MB/sec execute 21 sec latency 106.276 ms 1 806 0.43 MB/sec execute 22 sec latency 145.129 ms 1 857 0.42 MB/sec execute 23 sec latency 107.669 ms 1 892 0.40 MB/sec execute 24 sec latency 127.850 ms 1 919 0.39 MB/sec execute 25 sec latency 183.456 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3672064 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 18432 3687424 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7359488 1% /mnt/lustre 1 960 0.38 MB/sec execute 26 sec latency 126.889 ms 1 985 0.37 MB/sec execute 27 sec latency 244.154 ms 1 1050 0.39 MB/sec execute 28 sec latency 79.409 ms 1 1099 0.38 MB/sec execute 29 sec latency 88.710 ms 1 1142 0.37 MB/sec execute 30 sec latency 96.107 ms 1 1190 0.36 MB/sec execute 31 sec latency 93.707 ms test_26 fail mds1 2 times 1 1231 0.35 MB/sec execute 32 sec latency 104.258 ms 1 1268 0.34 MB/sec execute 33 sec latency 136.354 ms Failing mds1 on oleg417-server 1 1405 0.41 MB/sec execute 34 sec latency 97.759 ms Stopping /mnt/lustre-mds1 (opts:) on oleg417-server 1 1446 0.40 MB/sec execute 35 sec latency 111.412 ms 1 1451 0.39 MB/sec execute 36 sec latency 823.858 ms 1 1451 0.38 MB/sec execute 37 sec latency 1824.057 ms 12:52:11 (1784047931) shut down 1 1451 0.37 MB/sec execute 38 sec latency 2824.763 ms facet: mds1 facet_host: oleg417-server facet_failover_host: oleg417-server 1 1451 0.36 MB/sec execute 39 sec latency 3825.955 ms 1 1451 0.35 MB/sec execute 40 sec latency 4826.237 ms 1 1451 0.34 MB/sec execute 41 sec latency 5826.454 ms 1 1451 0.33 MB/sec execute 42 sec latency 6826.661 ms 1 1451 0.33 MB/sec execute 43 sec latency 7827.434 ms 1 1451 0.32 MB/sec execute 44 sec latency 8827.653 ms 1 1451 0.31 MB/sec execute 45 sec latency 9828.558 ms 1 1451 0.30 MB/sec execute 46 sec latency 10828.803 ms 1 1451 0.30 MB/sec execute 47 sec latency 11829.603 ms 1 1451 0.29 MB/sec execute 48 sec latency 12829.977 ms Failover mds1 to oleg417-server mount facets: mds1 1 1451 0.29 MB/sec execute 49 sec latency 13830.180 ms 1 1451 0.28 MB/sec execute 50 sec latency 14830.393 ms 1 1451 0.27 MB/sec execute 51 sec latency 15838.602 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1451 0.27 MB/sec execute 52 sec latency 16841.193 ms 1 1451 0.26 MB/sec execute 53 sec latency 17842.735 ms 1 1451 0.26 MB/sec execute 54 sec latency 18842.981 ms 1 1451 0.25 MB/sec execute 55 sec latency 19843.466 ms 1 1451 0.25 MB/sec execute 56 sec latency 20844.958 ms 1 1451 0.25 MB/sec execute 57 sec latency 21845.155 ms oleg417-server: oleg417-server.virtnet: executing set_default_debug -1 all 1 1451 0.24 MB/sec execute 58 sec latency 22845.523 ms pdsh@oleg417-client: oleg417-server: ssh exited with exit code 1 1 1451 0.24 MB/sec execute 59 sec latency 23846.081 ms Started lustre-MDT0000 12:52:33 (1784047953) targets are mounted 12:52:33 (1784047953) facet_failover done 1 1451 0.23 MB/sec execute 60 sec latency 24846.393 ms 1 1451 0.23 MB/sec execute 61 sec latency 25849.784 ms 1 1451 0.23 MB/sec execute 62 sec latency 26852.473 ms 1 1451 0.22 MB/sec execute 63 sec latency 27852.813 ms 1 1451 0.22 MB/sec execute 64 sec latency 28853.115 ms 1 1451 0.22 MB/sec execute 65 sec latency 29853.433 ms 1 1451 0.21 MB/sec execute 66 sec latency 30853.672 ms 1 1451 0.21 MB/sec execute 67 sec latency 31853.984 ms 1 1451 0.21 MB/sec execute 68 sec latency 32854.270 ms 1 1451 0.20 MB/sec execute 69 sec latency 33856.289 ms 1 1451 0.20 MB/sec execute 70 sec latency 34857.910 ms 1 1451 0.20 MB/sec execute 71 sec latency 35859.426 ms 1 1451 0.19 MB/sec execute 72 sec latency 36860.796 ms 1 1451 0.19 MB/sec execute 73 sec latency 37862.776 ms 1 1451 0.19 MB/sec execute 74 sec latency 38862.962 ms 1 1451 0.19 MB/sec execute 75 sec latency 39863.424 ms 1 1463 0.18 MB/sec execute 76 sec latency 40422.339 ms 1 1502 0.18 MB/sec execute 77 sec latency 305.514 ms 1 1557 0.18 MB/sec execute 78 sec latency 70.674 ms 1 1608 0.18 MB/sec execute 79 sec latency 71.262 ms 1 1651 0.18 MB/sec execute 80 sec latency 222.294 ms oleg417-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1691 0.18 MB/sec execute 81 sec latency 112.164 ms 1 1764 0.17 MB/sec execute 82 sec latency 78.309 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1823 0.17 MB/sec execute 83 sec latency 93.260 ms 1 1877 0.17 MB/sec execute 84 sec latency 82.948 ms 1 1948 0.17 MB/sec execute 85 sec latency 186.248 ms 1 2000 0.17 MB/sec execute 86 sec latency 75.974 ms 1 2088 0.17 MB/sec execute 87 sec latency 76.624 ms 1 2150 0.17 MB/sec execute 88 sec latency 84.135 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 48128 3698688 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 24576 3737600 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7436288 1% /mnt/lustre 1 2191 0.17 MB/sec execute 89 sec latency 87.647 ms 1 2258 0.16 MB/sec execute 90 sec latency 84.657 ms 1 2345 0.17 MB/sec execute 91 sec latency 78.005 ms 1 2376 0.17 MB/sec execute 92 sec latency 128.495 ms 1 2406 0.17 MB/sec execute 93 sec latency 271.785 ms test_26 fail mds1 3 times 1 2439 0.17 MB/sec execute 94 sec latency 213.184 ms 1 2477 0.18 MB/sec execute 95 sec latency 100.161 ms Failing mds1 on oleg417-server 1 2505 0.17 MB/sec execute 96 sec latency 218.262 ms Stopping /mnt/lustre-mds1 (opts:) on oleg417-server 1 2566 0.17 MB/sec execute 97 sec latency 545.912 ms 1 2568 0.17 MB/sec execute 98 sec latency 1246.794 ms 1 2568 0.17 MB/sec execute 99 sec latency 1201.813 ms 1 cleanup 100 sec 12:53:14 (1784047994) shut down facet: mds1 facet_host: oleg417-server facet_failover_host: oleg417-server 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec Failover mds1 to oleg417-server mount facets: mds1 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec oleg417-server: oleg417-server.virtnet: executing set_default_debug -1 all 1 cleanup 119 sec 1 cleanup 120 sec pdsh@oleg417-client: oleg417-server: ssh exited with exit code 1 Started lustre-MDT0000 12:53:34 (1784048014) targets are mounted 1 cleanup 121 sec 12:53:34 (1784048014) facet_failover done 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 0 cleanup 124 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 375 161.877 40422.322 Close 326 152.457 23311.508 Rename 15 95.230 157.929 Unlink 38 28.971 47.761 Qpathinfo 340 16.705 115.133 Qfileinfo 102 2.298 15.093 Qfsinfo 43 4.278 25.851 Sfileinfo 49 56.104 101.544 Find 116 6.222 34.243 WriteX 374 12.076 69.997 ReadX 427 1.751 80.986 Flush 34 130.661 305.489 Throughput 0.170471 MB/sec 1 clients 1 procs max_latency=40422.339 ms stopping dbench on /mnt/lustre at Tue Jul 14 12:53:38 EDT 2026 with return code 0 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 oleg417-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Jul 14 12:53:43 EDT 2026 waiting for dbench pid 47825 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 54 2.10 MB/sec warmup 1 sec latency 80.695 ms 1 119 2.75 MB/sec warmup 2 sec latency 105.874 ms 1 165 2.27 MB/sec warmup 3 sec latency 97.552 ms 1 215 2.09 MB/sec warmup 4 sec latency 111.993 ms 1 267 1.99 MB/sec warmup 5 sec latency 115.000 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3697664 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7412736 1% /mnt/lustre 1 313 1.91 MB/sec warmup 6 sec latency 112.146 ms 1 357 1.82 MB/sec warmup 7 sec latency 93.791 ms 1 413 1.82 MB/sec warmup 8 sec latency 84.518 ms 1 477 1.85 MB/sec warmup 9 sec latency 76.058 ms 1 538 1.89 MB/sec warmup 10 sec latency 88.651 ms test_26 fail mds1 4 times 1 649 1.91 MB/sec warmup 11 sec latency 77.828 ms Failing mds1 on oleg417-server 1 692 1.76 MB/sec warmup 12 sec latency 161.773 ms Stopping /mnt/lustre-mds1 (opts:) on oleg417-server 1 728 1.64 MB/sec warmup 13 sec latency 172.481 ms 1 731 1.52 MB/sec warmup 14 sec latency 918.397 ms 1 731 1.42 MB/sec warmup 15 sec latency 1918.632 ms 1 731 1.33 MB/sec warmup 16 sec latency 2918.867 ms 12:54:00 (1784048040) shut down 1 731 1.25 MB/sec warmup 17 sec latency 3924.980 ms facet: mds1 facet_host: oleg417-server facet_failover_host: oleg417-server 1 731 1.18 MB/sec warmup 18 sec latency 4925.233 ms 1 731 1.12 MB/sec warmup 19 sec latency 5925.435 ms 1 731 0.00 MB/sec execute 1 sec latency 7925.948 ms 1 731 0.00 MB/sec execute 2 sec latency 8926.150 ms 1 731 0.00 MB/sec execute 3 sec latency 9926.826 ms 1 731 0.00 MB/sec execute 4 sec latency 10927.546 ms 1 731 0.00 MB/sec execute 5 sec latency 11927.756 ms 1 731 0.00 MB/sec execute 6 sec latency 12927.940 ms 1 731 0.00 MB/sec execute 7 sec latency 13928.267 ms Failover mds1 to oleg417-server mount facets: mds1 1 731 0.00 MB/sec execute 8 sec latency 14928.470 ms 1 731 0.00 MB/sec execute 9 sec latency 15928.818 ms 1 731 0.00 MB/sec execute 10 sec latency 16929.861 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 731 0.00 MB/sec execute 11 sec latency 17930.112 ms 1 731 0.00 MB/sec execute 12 sec latency 18930.310 ms 1 731 0.00 MB/sec execute 13 sec latency 19930.532 ms 1 731 0.00 MB/sec execute 14 sec latency 20931.920 ms 1 731 0.00 MB/sec execute 15 sec latency 21932.525 ms oleg417-server: oleg417-server.virtnet: executing set_default_debug -1 all 1 731 0.00 MB/sec execute 16 sec latency 22932.677 ms pdsh@oleg417-client: oleg417-server: ssh exited with exit code 1 1 731 0.00 MB/sec execute 17 sec latency 23933.085 ms Started lustre-MDT0000 12:54:21 (1784048061) targets are mounted 12:54:21 (1784048061) facet_failover done 1 731 0.00 MB/sec execute 18 sec latency 24934.957 ms 1 731 0.00 MB/sec execute 19 sec latency 25935.244 ms 1 731 0.00 MB/sec execute 20 sec latency 26939.848 ms 1 731 0.00 MB/sec execute 21 sec latency 27942.970 ms 1 731 0.00 MB/sec execute 22 sec latency 28952.102 ms 1 767 0.00 MB/sec execute 23 sec latency 28965.514 ms 1 791 0.01 MB/sec execute 24 sec latency 256.741 ms 1 816 0.01 MB/sec execute 25 sec latency 131.771 ms 1 873 0.01 MB/sec execute 26 sec latency 117.551 ms oleg417-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 898 0.01 MB/sec execute 27 sec latency 189.314 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 918 0.02 MB/sec execute 28 sec latency 195.183 ms 1 959 0.02 MB/sec execute 29 sec latency 122.875 ms 1 983 0.02 MB/sec execute 30 sec latency 243.307 ms 1 1025 0.05 MB/sec execute 31 sec latency 139.607 ms 1 1082 0.05 MB/sec execute 32 sec latency 85.976 ms 1 1147 0.05 MB/sec execute 33 sec latency 60.278 ms 1 1198 0.05 MB/sec execute 34 sec latency 87.271 ms 1 1244 0.05 MB/sec execute 35 sec latency 106.378 ms 1 1378 0.13 MB/sec execute 36 sec latency 136.988 ms 1 1426 0.13 MB/sec execute 37 sec latency 100.366 ms 1 1481 0.12 MB/sec execute 38 sec latency 152.328 ms 1 1527 0.12 MB/sec execute 39 sec latency 305.438 ms 1 1579 0.12 MB/sec execute 40 sec latency 58.520 ms 1 1627 0.12 MB/sec execute 41 sec latency 90.615 ms 1 1660 0.12 MB/sec execute 42 sec latency 284.642 ms 1 1698 0.11 MB/sec execute 43 sec latency 110.532 ms 1 1770 0.11 MB/sec execute 44 sec latency 92.683 ms 1 1828 0.11 MB/sec execute 45 sec latency 87.250 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Jul 14 12:54:49 EDT 2026 with return code 0 47825 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47825 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished