== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:15:16 (1778289316) Starting client oleg214-client.virtnet: -o user_xattr,flock 192.168.202.114@tcp:/lustre /mnt/lustre Started clients oleg214-client.virtnet: 192.168.202.114@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44830 Started dbench loop with 44832 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 Fri May 8 21:15:20 EDT 2026 waiting for dbench pid 44870 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3749888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3729408 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 28672 7479296 1% /mnt/lustre 1 50 2.08 MB/sec warmup 1 sec latency 122.059 ms 1 113 2.61 MB/sec warmup 2 sec latency 125.200 ms 1 157 2.18 MB/sec warmup 3 sec latency 139.228 ms 1 207 2.02 MB/sec warmup 4 sec latency 105.752 ms 1 263 1.98 MB/sec warmup 5 sec latency 91.647 ms test_26 fail mds1 1 times 1 306 1.87 MB/sec warmup 6 sec latency 146.142 ms Failing mds1 on oleg214-server 1 349 1.79 MB/sec warmup 7 sec latency 118.550 ms Stopping /mnt/lustre-mds1 (opts:) on oleg214-server 1 389 1.72 MB/sec warmup 8 sec latency 124.154 ms 1 404 1.59 MB/sec warmup 9 sec latency 772.008 ms 1 404 1.43 MB/sec warmup 10 sec latency 1773.162 ms 21:15:30 (1778289330) shut down facet: mds1 facet_host: oleg214-server facet_failover_host: oleg214-server 1 404 1.30 MB/sec warmup 11 sec latency 2773.837 ms 1 404 1.19 MB/sec warmup 12 sec latency 3774.053 ms 1 404 1.10 MB/sec warmup 13 sec latency 4774.242 ms 1 404 1.02 MB/sec warmup 14 sec latency 5774.758 ms 1 404 0.96 MB/sec warmup 15 sec latency 6775.554 ms 1 404 0.90 MB/sec warmup 16 sec latency 7775.709 ms 1 404 0.84 MB/sec warmup 17 sec latency 8775.921 ms 1 404 0.80 MB/sec warmup 18 sec latency 9776.324 ms 1 404 0.75 MB/sec warmup 19 sec latency 10776.667 ms Failover mds1 to oleg214-server mount facets: mds1 1 404 0.00 MB/sec execute 1 sec latency 12777.334 ms 1 404 0.00 MB/sec execute 2 sec latency 13777.596 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 404 0.00 MB/sec execute 3 sec latency 14778.767 ms 1 404 0.00 MB/sec execute 4 sec latency 15782.029 ms 1 404 0.00 MB/sec execute 5 sec latency 16782.607 ms 1 404 0.00 MB/sec execute 6 sec latency 17783.556 ms 1 404 0.00 MB/sec execute 7 sec latency 18784.437 ms oleg214-server: oleg214-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 8 sec latency 19784.754 ms pdsh@oleg214-client: oleg214-server: ssh exited with exit code 1 1 430 0.09 MB/sec execute 9 sec latency 20170.037 ms Started lustre-MDT0000 21:15:49 (1778289349) targets are mounted 21:15:49 (1778289349) facet_failover done 1 490 0.27 MB/sec execute 10 sec latency 100.787 ms 1 542 0.43 MB/sec execute 11 sec latency 100.811 ms 1 661 0.57 MB/sec execute 12 sec latency 67.000 ms oleg214-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 695 0.53 MB/sec execute 13 sec latency 259.350 ms 1 723 0.50 MB/sec execute 14 sec latency 214.688 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 762 0.47 MB/sec execute 15 sec latency 114.155 ms 1 799 0.45 MB/sec execute 16 sec latency 129.585 ms 1 850 0.42 MB/sec execute 17 sec latency 140.614 ms 1 902 0.41 MB/sec execute 18 sec latency 117.628 ms 1 960 0.39 MB/sec execute 19 sec latency 116.846 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3720192 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3679232 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7399424 1% /mnt/lustre 1 1007 0.39 MB/sec execute 20 sec latency 176.578 ms 1 1100 0.41 MB/sec execute 21 sec latency 98.902 ms 1 1172 0.39 MB/sec execute 22 sec latency 102.251 ms 1 1242 0.38 MB/sec execute 23 sec latency 61.711 ms 1 1396 0.49 MB/sec execute 24 sec latency 60.890 ms test_26 fail mds1 2 times 1 1465 0.47 MB/sec execute 25 sec latency 111.105 ms Failing mds1 on oleg214-server 1 1512 0.45 MB/sec execute 26 sec latency 211.126 ms Stopping /mnt/lustre-mds1 (opts:) on oleg214-server 1 1597 0.44 MB/sec execute 27 sec latency 59.976 ms 1 1597 0.42 MB/sec execute 28 sec latency 1060.685 ms 21:16:09 (1778289369) shut down facet: mds1 facet_host: oleg214-server facet_failover_host: oleg214-server 1 1597 0.41 MB/sec execute 29 sec latency 2061.192 ms 1 1597 0.39 MB/sec execute 30 sec latency 3061.435 ms 1 1597 0.38 MB/sec execute 31 sec latency 4061.641 ms 1 1597 0.37 MB/sec execute 32 sec latency 5061.911 ms 1 1597 0.36 MB/sec execute 33 sec latency 6062.137 ms 1 1597 0.35 MB/sec execute 34 sec latency 7062.332 ms 1 1597 0.34 MB/sec execute 35 sec latency 8064.569 ms 1 1597 0.33 MB/sec execute 36 sec latency 9064.882 ms 1 1597 0.32 MB/sec execute 37 sec latency 10065.090 ms 1 1597 0.31 MB/sec execute 38 sec latency 11065.387 ms Failover mds1 to oleg214-server 1 1597 0.30 MB/sec execute 39 sec latency 12065.572 ms mount facets: mds1 1 1597 0.30 MB/sec execute 40 sec latency 13065.707 ms 1 1597 0.29 MB/sec execute 41 sec latency 14067.478 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1597 0.28 MB/sec execute 42 sec latency 15067.863 ms 1 1597 0.27 MB/sec execute 43 sec latency 16068.784 ms 1 1597 0.27 MB/sec execute 44 sec latency 17069.603 ms 1 1597 0.26 MB/sec execute 45 sec latency 18070.290 ms oleg214-server: oleg214-server.virtnet: executing set_default_debug -1 all 1 1597 0.26 MB/sec execute 46 sec latency 19070.437 ms pdsh@oleg214-client: oleg214-server: ssh exited with exit code 1 1 1597 0.25 MB/sec execute 47 sec latency 20070.737 ms Started lustre-MDT0000 21:16:28 (1778289388) targets are mounted 21:16:28 (1778289388) facet_failover done 1 1597 0.25 MB/sec execute 48 sec latency 21071.487 ms 1 1628 0.24 MB/sec execute 49 sec latency 21369.891 ms 1 1668 0.24 MB/sec execute 50 sec latency 178.756 ms 1 1736 0.23 MB/sec execute 51 sec latency 64.337 ms oleg214-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1814 0.23 MB/sec execute 52 sec latency 78.609 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1876 0.23 MB/sec execute 53 sec latency 81.584 ms 1 1973 0.22 MB/sec execute 54 sec latency 142.735 ms 1 2040 0.22 MB/sec execute 55 sec latency 54.306 ms 1 2158 0.22 MB/sec execute 56 sec latency 56.594 ms 1 2250 0.22 MB/sec execute 57 sec latency 76.159 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 23552 3656704 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 49152 3651584 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7308288 1% /mnt/lustre 1 2345 0.23 MB/sec execute 58 sec latency 50.385 ms 1 2377 0.23 MB/sec execute 59 sec latency 245.038 ms 1 2418 0.23 MB/sec execute 60 sec latency 113.100 ms 1 2477 0.24 MB/sec execute 61 sec latency 100.345 ms 1 2566 0.23 MB/sec execute 62 sec latency 153.923 ms test_26 fail mds1 3 times 1 2586 0.23 MB/sec execute 63 sec latency 727.872 ms 1 2750 0.27 MB/sec execute 64 sec latency 79.987 ms Failing mds1 on oleg214-server Stopping /mnt/lustre-mds1 (opts:) on oleg214-server 1 2879 0.27 MB/sec execute 65 sec latency 211.829 ms 1 2922 0.29 MB/sec execute 66 sec latency 391.013 ms 1 2922 0.29 MB/sec execute 67 sec latency 1391.148 ms 21:16:47 (1778289407) shut down facet: mds1 facet_host: oleg214-server facet_failover_host: oleg214-server 1 2922 0.28 MB/sec execute 68 sec latency 2391.521 ms 1 2922 0.28 MB/sec execute 69 sec latency 3392.040 ms 1 2922 0.27 MB/sec execute 70 sec latency 4392.716 ms 1 2922 0.27 MB/sec execute 71 sec latency 5392.886 ms 1 2922 0.27 MB/sec execute 72 sec latency 6393.144 ms 1 2922 0.26 MB/sec execute 73 sec latency 7393.366 ms 1 2922 0.26 MB/sec execute 74 sec latency 8394.037 ms 1 2922 0.25 MB/sec execute 75 sec latency 9394.402 ms 1 2922 0.25 MB/sec execute 76 sec latency 10394.613 ms 1 2922 0.25 MB/sec execute 77 sec latency 11396.535 ms Failover mds1 to oleg214-server mount facets: mds1 1 2922 0.25 MB/sec execute 78 sec latency 12396.678 ms 1 2922 0.24 MB/sec execute 79 sec latency 13396.823 ms 1 2922 0.24 MB/sec execute 80 sec latency 14397.044 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2922 0.24 MB/sec execute 81 sec latency 15397.581 ms 1 2922 0.23 MB/sec execute 82 sec latency 16397.956 ms 1 2922 0.23 MB/sec execute 83 sec latency 17398.166 ms 1 2922 0.23 MB/sec execute 84 sec latency 18398.333 ms 1 2922 0.22 MB/sec execute 85 sec latency 19398.545 ms oleg214-server: oleg214-server.virtnet: executing set_default_debug -1 all pdsh@oleg214-client: oleg214-server: ssh exited with exit code 1 1 2922 0.22 MB/sec execute 86 sec latency 20398.749 ms Started lustre-MDT0000 21:17:07 (1778289427) targets are mounted 21:17:07 (1778289427) facet_failover done 1 2922 0.22 MB/sec execute 87 sec latency 21402.060 ms 1 2922 0.22 MB/sec execute 88 sec latency 22402.335 ms 1 2934 0.21 MB/sec execute 89 sec latency 23086.184 ms 1 3010 0.21 MB/sec execute 90 sec latency 161.897 ms oleg214-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 3201 0.22 MB/sec execute 91 sec latency 122.227 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3278 0.23 MB/sec execute 92 sec latency 100.479 ms 1 3361 0.23 MB/sec execute 93 sec latency 104.208 ms 1 3534 0.26 MB/sec execute 94 sec latency 74.068 ms 1 3594 0.25 MB/sec execute 95 sec latency 67.255 ms 1 3686 0.25 MB/sec execute 96 sec latency 59.935 ms 1 3782 0.26 MB/sec execute 97 sec latency 73.919 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3328 2205184 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 25600 3664896 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 51200 3657728 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 76800 7322624 2% /mnt/lustre 1 3835 0.26 MB/sec execute 98 sec latency 84.283 ms 1 3906 0.26 MB/sec execute 99 sec latency 59.780 ms 1 cleanup 100 sec 1 cleanup 101 sec test_26 fail mds1 4 times 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 574 73.740 21369.811 Close 449 53.256 20170.014 Rename 26 58.771 105.937 Unlink 86 18.359 51.934 Qpathinfo 515 11.769 128.884 Qfileinfo 126 1.401 11.956 Qfsinfo 99 1.874 18.263 Sfileinfo 50 44.653 140.593 Find 198 3.671 44.771 WriteX 434 8.568 50.502 ReadX 956 1.167 75.652 LockX 2 9.804 11.005 UnlockX 2 7.936 8.739 Flush 43 640.648 23086.169 Throughput 0.259422 MB/sec 1 clients 1 procs max_latency=23086.184 ms stopping dbench on /mnt/lustre at Fri May 8 21:17:23 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre Failing mds1 on oleg214-server removed 'client.txt' /mnt/lustre dbench successfully finished Stopping /mnt/lustre-mds1 (opts:) on oleg214-server 21:17:27 (1778289447) shut down facet: mds1 facet_host: oleg214-server facet_failover_host: oleg214-server Failover mds1 to oleg214-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg214-server: oleg214-server.virtnet: executing set_default_debug -1 all pdsh@oleg214-client: oleg214-server: ssh exited with exit code 1 Started lustre-MDT0000 21:17:45 (1778289465) targets are mounted 21:17:45 (1778289465) facet_failover done 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 Fri May 8 21:17:48 EDT 2026 waiting for dbench pid 48369 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 oleg214-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 49 2.03 MB/sec warmup 1 sec latency 98.558 ms 1 113 2.62 MB/sec warmup 2 sec latency 129.521 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 157 2.18 MB/sec warmup 3 sec latency 116.147 ms 1 207 2.02 MB/sec warmup 4 sec latency 90.989 ms 1 278 2.09 MB/sec warmup 5 sec latency 71.940 ms 1 352 2.08 MB/sec warmup 6 sec latency 63.688 ms 1 428 2.16 MB/sec warmup 7 sec latency 70.518 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3584 2204928 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3731456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 49152 3686400 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 63488 7417856 1% /mnt/lustre 1 493 2.15 MB/sec warmup 8 sec latency 94.510 ms 1 583 2.21 MB/sec warmup 9 sec latency 84.656 ms 1 664 2.11 MB/sec warmup 10 sec latency 115.104 ms 1 721 1.93 MB/sec warmup 11 sec latency 129.035 ms test_26 fail mds1 5 times 1 774 1.78 MB/sec warmup 12 sec latency 105.032 ms Failing mds1 on oleg214-server 1 806 1.65 MB/sec warmup 13 sec latency 154.790 ms Stopping /mnt/lustre-mds1 (opts:) on oleg214-server 1 878 1.55 MB/sec warmup 14 sec latency 154.227 ms 1 888 1.44 MB/sec warmup 15 sec latency 794.196 ms 1 888 1.35 MB/sec warmup 16 sec latency 1794.340 ms 1 888 1.27 MB/sec warmup 17 sec latency 2794.666 ms 1 888 1.20 MB/sec warmup 18 sec latency 3794.907 ms 1 888 1.14 MB/sec warmup 19 sec latency 4795.132 ms 1 888 0.00 MB/sec execute 1 sec latency 6795.765 ms 1 888 0.00 MB/sec execute 2 sec latency 7796.137 ms 21:18:10 (1778289490) shut down facet: mds1 facet_host: oleg214-server facet_failover_host: oleg214-server 1 888 0.00 MB/sec execute 3 sec latency 8796.340 ms 1 888 0.00 MB/sec execute 4 sec latency 9796.598 ms 1 888 0.00 MB/sec execute 5 sec latency 10796.969 ms 1 888 0.00 MB/sec execute 6 sec latency 11797.449 ms 1 888 0.00 MB/sec execute 7 sec latency 12797.720 ms 1 888 0.00 MB/sec execute 8 sec latency 13797.946 ms 1 888 0.00 MB/sec execute 9 sec latency 14798.910 ms 1 888 0.00 MB/sec execute 10 sec latency 15799.553 ms 1 888 0.00 MB/sec execute 11 sec latency 16799.781 ms 1 888 0.00 MB/sec execute 12 sec latency 17799.998 ms Failover mds1 to oleg214-server mount facets: mds1 1 888 0.00 MB/sec execute 13 sec latency 18800.294 ms 1 888 0.00 MB/sec execute 14 sec latency 19800.563 ms 1 888 0.00 MB/sec execute 15 sec latency 20800.765 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 888 0.00 MB/sec execute 16 sec latency 21800.962 ms 1 888 0.00 MB/sec execute 17 sec latency 22801.148 ms 1 888 0.00 MB/sec execute 18 sec latency 23801.805 ms 1 888 0.00 MB/sec execute 19 sec latency 24802.187 ms oleg214-server: oleg214-server.virtnet: executing set_default_debug -1 all 1 888 0.00 MB/sec execute 20 sec latency 25803.524 ms pdsh@oleg214-client: oleg214-server: ssh exited with exit code 1 1 888 0.00 MB/sec execute 21 sec latency 26803.684 ms Started lustre-MDT0000 21:18:30 (1778289510) targets are mounted 21:18:30 (1778289510) facet_failover done 1 888 0.00 MB/sec execute 22 sec latency 27803.885 ms 1 888 0.00 MB/sec execute 23 sec latency 28819.236 ms 1 888 0.00 MB/sec execute 24 sec latency 29819.474 ms 1 888 0.00 MB/sec execute 25 sec latency 30819.628 ms 1 902 0.00 MB/sec execute 26 sec latency 31384.602 ms 1 949 0.00 MB/sec execute 27 sec latency 166.307 ms oleg214-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 985 0.01 MB/sec execute 28 sec latency 203.961 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1061 0.04 MB/sec execute 29 sec latency 79.675 ms 1 1131 0.04 MB/sec execute 30 sec latency 69.114 ms 1 1193 0.04 MB/sec execute 31 sec latency 79.292 ms kill: sending signal to 44850 failed: No such process 1 1246 0.04 MB/sec execute 32 sec latency 80.896 ms 1 1403 0.13 MB/sec execute 33 sec latency 64.963 ms 1 1473 0.13 MB/sec execute 34 sec latency 79.997 ms 1 1541 0.13 MB/sec execute 35 sec latency 142.585 ms 1 1608 0.12 MB/sec execute 36 sec latency 91.544 ms 1 1667 0.12 MB/sec execute 37 sec latency 185.476 ms 1 1764 0.12 MB/sec execute 38 sec latency 48.090 ms 1 1845 0.12 MB/sec execute 39 sec latency 59.649 ms 1 1926 0.12 MB/sec execute 40 sec latency 192.058 ms 1 2010 0.12 MB/sec execute 41 sec latency 70.702 ms 1 2095 0.12 MB/sec execute 42 sec latency 71.351 ms 1 2164 0.12 MB/sec execute 43 sec latency 84.510 ms 1 2247 0.12 MB/sec execute 44 sec latency 86.211 ms 1 2345 0.14 MB/sec execute 45 sec latency 182.041 ms 1 2378 0.14 MB/sec execute 46 sec latency 367.595 ms 1 2423 0.14 MB/sec execute 47 sec latency 142.459 ms 1 2477 0.15 MB/sec execute 48 sec latency 114.164 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri May 8 21:18:57 EDT 2026 with return code 0 48369 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48369 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished