== replay-dual test 26: dbench and tar with mds failover ========================================================== 08:47:17 (1788266837) Starting client oleg446-client.virtnet: -o user_xattr,flock 192.168.204.146@tcp:/lustre /mnt/lustre Started clients oleg446-client.virtnet: 192.168.204.146@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 45191 Started dbench loop with 45192 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 22528 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3755008 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7491584 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 Sep 1 08:47:24 EDT 2026 waiting for dbench pid 45259 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 17 0.19 MB/sec warmup 1 sec latency 149.784 ms 1 79 1.73 MB/sec warmup 2 sec latency 125.508 ms 1 121 1.83 MB/sec warmup 3 sec latency 194.524 ms 1 157 1.63 MB/sec warmup 4 sec latency 147.291 ms 1 189 1.51 MB/sec warmup 5 sec latency 159.215 ms test_26 fail mds1 1 times 1 222 1.43 MB/sec warmup 6 sec latency 161.427 ms 1 250 1.34 MB/sec warmup 7 sec latency 138.828 ms Failing mds1 on oleg446-server 1 279 1.30 MB/sec warmup 8 sec latency 183.922 ms Stopping /mnt/lustre-mds1 (opts:) on oleg446-server 1 313 1.27 MB/sec warmup 9 sec latency 129.797 ms 1 339 1.22 MB/sec warmup 10 sec latency 217.091 ms 1 339 1.11 MB/sec warmup 11 sec latency 1217.864 ms 1 339 1.02 MB/sec warmup 12 sec latency 2220.142 ms 08:47:37 (1788266857) shut down 1 339 0.94 MB/sec warmup 13 sec latency 3229.620 ms facet: mds1 facet_host: oleg446-server facet_failover_host: oleg446-server 1 339 0.87 MB/sec warmup 14 sec latency 4230.201 ms 1 339 0.82 MB/sec warmup 15 sec latency 5231.242 ms 1 339 0.76 MB/sec warmup 16 sec latency 6231.533 ms 1 339 0.72 MB/sec warmup 17 sec latency 7232.345 ms 1 339 0.68 MB/sec warmup 18 sec latency 8232.552 ms 1 339 0.64 MB/sec warmup 19 sec latency 9232.758 ms 1 339 0.00 MB/sec execute 1 sec latency 11233.803 ms 1 339 0.00 MB/sec execute 2 sec latency 12234.014 ms 1 339 0.00 MB/sec execute 3 sec latency 13234.347 ms Failover mds1 to oleg446-server mount facets: mds1 1 339 0.00 MB/sec execute 4 sec latency 14234.563 ms 1 339 0.00 MB/sec execute 5 sec latency 15234.774 ms 1 339 0.00 MB/sec execute 6 sec latency 16234.989 ms 1 339 0.00 MB/sec execute 7 sec latency 17235.254 ms 1 339 0.00 MB/sec execute 8 sec latency 18236.175 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 9 sec latency 19236.383 ms 1 339 0.00 MB/sec execute 10 sec latency 20236.673 ms 1 339 0.00 MB/sec execute 11 sec latency 21237.255 ms 1 339 0.00 MB/sec execute 12 sec latency 22238.037 ms 1 339 0.00 MB/sec execute 13 sec latency 23238.235 ms 1 339 0.00 MB/sec execute 14 sec latency 24238.525 ms 1 339 0.00 MB/sec execute 15 sec latency 25239.741 ms 1 339 0.00 MB/sec execute 16 sec latency 26241.088 ms 1 339 0.00 MB/sec execute 17 sec latency 27241.307 ms 1 339 0.00 MB/sec execute 18 sec latency 28241.527 ms 1 339 0.00 MB/sec execute 19 sec latency 29241.775 ms 1 339 0.00 MB/sec execute 20 sec latency 30241.910 ms 1 339 0.00 MB/sec execute 21 sec latency 31244.796 ms 1 339 0.00 MB/sec execute 22 sec latency 32245.180 ms 1 339 0.00 MB/sec execute 23 sec latency 33246.371 ms oleg446-server: oleg446-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 24 sec latency 34246.690 ms pdsh@oleg446-client: oleg446-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 25 sec latency 35252.231 ms Started lustre-MDT0000 08:48:10 (1788266890) targets are mounted 08:48:10 (1788266890) facet_failover done 1 339 0.00 MB/sec execute 26 sec latency 36252.528 ms 1 339 0.00 MB/sec execute 27 sec latency 37252.760 ms 1 339 0.00 MB/sec execute 28 sec latency 38253.086 ms 1 339 0.00 MB/sec execute 29 sec latency 39253.404 ms 1 339 0.00 MB/sec execute 30 sec latency 40253.662 ms 1 361 0.02 MB/sec execute 31 sec latency 40551.477 ms 1 394 0.05 MB/sec execute 32 sec latency 145.679 ms 1 427 0.08 MB/sec execute 33 sec latency 196.152 ms 1 454 0.11 MB/sec execute 34 sec latency 204.235 ms 1 493 0.14 MB/sec execute 35 sec latency 144.805 ms oleg446-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 538 0.18 MB/sec execute 36 sec latency 157.360 ms 1 612 0.24 MB/sec execute 37 sec latency 153.665 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.23 MB/sec execute 38 sec latency 142.460 ms 1 677 0.23 MB/sec execute 39 sec latency 320.039 ms 1 711 0.22 MB/sec execute 40 sec latency 137.022 ms 1 731 0.22 MB/sec execute 41 sec latency 244.022 ms 1 769 0.22 MB/sec execute 42 sec latency 129.653 ms 1 798 0.21 MB/sec execute 43 sec latency 273.186 ms 1 811 0.21 MB/sec execute 44 sec latency 198.900 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3715072 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3694592 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7409664 1% /mnt/lustre 1 857 0.21 MB/sec execute 45 sec latency 139.481 ms 1 881 0.20 MB/sec execute 46 sec latency 247.595 ms 1 904 0.20 MB/sec execute 47 sec latency 149.693 ms 1 923 0.20 MB/sec execute 48 sec latency 259.528 ms 1 959 0.19 MB/sec execute 49 sec latency 159.310 ms 1 980 0.19 MB/sec execute 50 sec latency 240.129 ms 1 1028 0.21 MB/sec execute 51 sec latency 244.821 ms test_26 fail mds1 2 times 1 1074 0.20 MB/sec execute 52 sec latency 78.971 ms 1 1122 0.20 MB/sec execute 53 sec latency 110.876 ms Failing mds1 on oleg446-server 1 1154 0.20 MB/sec execute 54 sec latency 144.729 ms Stopping /mnt/lustre-mds1 (opts:) on oleg446-server 1 1190 0.20 MB/sec execute 55 sec latency 106.585 ms 1 1219 0.19 MB/sec execute 56 sec latency 150.997 ms 1 1219 0.19 MB/sec execute 57 sec latency 1153.545 ms 1 1219 0.19 MB/sec execute 58 sec latency 2153.961 ms 08:48:42 (1788266922) shut down facet: mds1 facet_host: oleg446-server facet_failover_host: oleg446-server 1 1219 0.18 MB/sec execute 59 sec latency 3155.587 ms 1 1219 0.18 MB/sec execute 60 sec latency 4155.881 ms 1 1219 0.18 MB/sec execute 61 sec latency 5156.134 ms 1 1219 0.17 MB/sec execute 62 sec latency 6156.398 ms 1 1219 0.17 MB/sec execute 63 sec latency 7159.395 ms 1 1219 0.17 MB/sec execute 64 sec latency 8159.674 ms 1 1219 0.17 MB/sec execute 65 sec latency 9162.399 ms 1 1219 0.16 MB/sec execute 66 sec latency 10162.709 ms 1 1219 0.16 MB/sec execute 67 sec latency 11162.989 ms 1 1219 0.16 MB/sec execute 68 sec latency 12163.282 ms Failover mds1 to oleg446-server mount facets: mds1 1 1219 0.16 MB/sec execute 69 sec latency 13163.482 ms 1 1219 0.15 MB/sec execute 70 sec latency 14166.311 ms 1 1219 0.15 MB/sec execute 71 sec latency 15168.882 ms 1 1219 0.15 MB/sec execute 72 sec latency 16170.734 ms 1 1219 0.15 MB/sec execute 73 sec latency 17170.997 ms 1 1219 0.15 MB/sec execute 74 sec latency 18171.409 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1219 0.14 MB/sec execute 75 sec latency 19174.404 ms 1 1219 0.14 MB/sec execute 76 sec latency 20174.655 ms 1 1219 0.14 MB/sec execute 77 sec latency 21175.143 ms 1 1219 0.14 MB/sec execute 78 sec latency 22175.385 ms 1 1219 0.14 MB/sec execute 79 sec latency 23176.395 ms 1 1219 0.13 MB/sec execute 80 sec latency 24176.597 ms 1 1219 0.13 MB/sec execute 81 sec latency 25180.466 ms oleg446-server: oleg446-server.virtnet: executing set_default_debug -1 all 1 1219 0.13 MB/sec execute 82 sec latency 26180.756 ms pdsh@oleg446-client: oleg446-server: ssh exited with exit code 1 1 1219 0.13 MB/sec execute 83 sec latency 27181.051 ms Started lustre-MDT0000 08:49:08 (1788266948) targets are mounted 08:49:08 (1788266948) facet_failover done 1 1219 0.13 MB/sec execute 84 sec latency 28182.906 ms 1 1219 0.13 MB/sec execute 85 sec latency 29185.968 ms 1 1219 0.13 MB/sec execute 86 sec latency 30187.637 ms 1 1219 0.12 MB/sec execute 87 sec latency 31188.051 ms 1 1219 0.12 MB/sec execute 88 sec latency 32189.883 ms 1 1219 0.12 MB/sec execute 89 sec latency 33190.957 ms 1 1219 0.12 MB/sec execute 90 sec latency 34192.103 ms 1 1219 0.12 MB/sec execute 91 sec latency 35193.381 ms 1 1219 0.12 MB/sec execute 92 sec latency 36193.753 ms 1 1219 0.12 MB/sec execute 93 sec latency 37194.307 ms 1 1219 0.11 MB/sec execute 94 sec latency 38196.153 ms 1 1219 0.11 MB/sec execute 95 sec latency 39196.492 ms 1 1219 0.11 MB/sec execute 96 sec latency 40196.772 ms 1 1233 0.11 MB/sec execute 97 sec latency 40411.221 ms 1 1259 0.11 MB/sec execute 98 sec latency 150.250 ms 1 1281 0.11 MB/sec execute 99 sec latency 138.133 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg446-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 144 362.300 40551.455 Close 129 329.093 40411.189 Rename 10 104.832 150.207 Unlink 17 33.296 56.450 Qpathinfo 95 29.779 248.625 Qfileinfo 54 2.319 15.728 Qfsinfo 33 4.408 28.214 Sfileinfo 34 77.355 126.927 Find 47 7.726 48.051 WriteX 253 13.796 63.276 ReadX 223 3.116 78.424 Flush 24 160.394 320.024 Throughput 0.109747 MB/sec 1 clients 1 procs max_latency=40551.477 ms stopping dbench on /mnt/lustre at Tue Sep 1 08:49:28 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-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Tue Sep 1 08:49:36 EDT 2026 waiting for dbench pid 47251 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients 1 19 0.33 MB/sec warmup 1 sec latency 13.660 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3727360 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3700736 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7428096 1% /mnt/lustre 1 70 1.57 MB/sec warmup 2 sec latency 185.995 ms 1 111 1.74 MB/sec warmup 3 sec latency 194.106 ms 1 139 1.50 MB/sec warmup 4 sec latency 248.397 ms 1 165 1.36 MB/sec warmup 5 sec latency 197.135 ms 1 193 1.27 MB/sec warmup 6 sec latency 246.146 ms 1 223 1.23 MB/sec warmup 7 sec latency 179.758 ms 1 263 1.24 MB/sec warmup 8 sec latency 138.904 ms test_26 fail mds1 3 times 1 296 1.21 MB/sec warmup 9 sec latency 153.629 ms 1 323 1.17 MB/sec warmup 10 sec latency 170.699 ms Failing mds1 on oleg446-server 1 350 1.14 MB/sec warmup 11 sec latency 185.053 ms Stopping /mnt/lustre-mds1 (opts:) on oleg446-server 1 382 1.13 MB/sec warmup 12 sec latency 143.909 ms 1 413 1.12 MB/sec warmup 13 sec latency 184.777 ms 1 413 1.04 MB/sec warmup 14 sec latency 1186.999 ms 1 413 0.97 MB/sec warmup 15 sec latency 2188.212 ms 08:49:52 (1788266992) shut down facet: mds1 facet_host: oleg446-server facet_failover_host: oleg446-server 1 413 0.91 MB/sec warmup 16 sec latency 3188.406 ms 1 413 0.86 MB/sec warmup 17 sec latency 4188.904 ms 1 413 0.81 MB/sec warmup 18 sec latency 5189.144 ms 1 413 0.77 MB/sec warmup 19 sec latency 6189.576 ms 1 413 0.00 MB/sec execute 1 sec latency 8189.965 ms 1 413 0.00 MB/sec execute 2 sec latency 9191.373 ms 1 413 0.00 MB/sec execute 3 sec latency 10195.856 ms 1 413 0.00 MB/sec execute 4 sec latency 11197.905 ms 1 413 0.00 MB/sec execute 5 sec latency 12198.354 ms 1 413 0.00 MB/sec execute 6 sec latency 13199.588 ms Failover mds1 to oleg446-server mount facets: mds1 1 413 0.00 MB/sec execute 7 sec latency 14199.802 ms 1 413 0.00 MB/sec execute 8 sec latency 15200.508 ms 1 413 0.00 MB/sec execute 9 sec latency 16201.503 ms 1 413 0.00 MB/sec execute 10 sec latency 17202.411 ms 1 413 0.00 MB/sec execute 11 sec latency 18203.119 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 413 0.00 MB/sec execute 12 sec latency 19203.391 ms 1 413 0.00 MB/sec execute 13 sec latency 20203.673 ms 1 413 0.00 MB/sec execute 14 sec latency 21205.623 ms 1 413 0.00 MB/sec execute 15 sec latency 22206.387 ms 1 413 0.00 MB/sec execute 16 sec latency 23207.907 ms 1 413 0.00 MB/sec execute 17 sec latency 24209.482 ms 1 413 0.00 MB/sec execute 18 sec latency 25209.844 ms 1 413 0.00 MB/sec execute 19 sec latency 26210.191 ms 1 413 0.00 MB/sec execute 20 sec latency 27211.827 ms 1 413 0.00 MB/sec execute 21 sec latency 28212.078 ms 1 413 0.00 MB/sec execute 22 sec latency 29212.319 ms 1 413 0.00 MB/sec execute 23 sec latency 30212.861 ms 1 413 0.00 MB/sec execute 24 sec latency 31213.807 ms 1 413 0.00 MB/sec execute 25 sec latency 32214.240 ms 1 413 0.00 MB/sec execute 26 sec latency 33215.925 ms 1 413 0.00 MB/sec execute 27 sec latency 34216.726 ms 1 413 0.00 MB/sec execute 28 sec latency 35217.170 ms oleg446-server: oleg446-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 29 sec latency 36219.905 ms pdsh@oleg446-client: oleg446-server: ssh exited with exit code 1 1 413 0.00 MB/sec execute 30 sec latency 37221.846 ms Started lustre-MDT0000 08:50:26 (1788267026) targets are mounted 08:50:26 (1788267026) facet_failover done 1 413 0.00 MB/sec execute 31 sec latency 38222.116 ms 1 413 0.00 MB/sec execute 32 sec latency 39222.495 ms 1 413 0.00 MB/sec execute 33 sec latency 40225.729 ms 1 413 0.00 MB/sec execute 34 sec latency 41225.949 ms 1 413 0.00 MB/sec execute 35 sec latency 42226.438 ms 1 413 0.00 MB/sec execute 36 sec latency 43226.716 ms 1 437 0.02 MB/sec execute 37 sec latency 43620.882 ms 1 466 0.04 MB/sec execute 38 sec latency 131.673 ms 1 501 0.07 MB/sec execute 39 sec latency 158.861 ms 1 526 0.09 MB/sec execute 40 sec latency 196.928 ms 1 595 0.15 MB/sec execute 41 sec latency 210.057 ms oleg446-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 649 0.15 MB/sec execute 42 sec latency 116.896 ms 1 669 0.15 MB/sec execute 43 sec latency 355.149 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 692 0.15 MB/sec execute 44 sec latency 165.214 ms 1 718 0.15 MB/sec execute 45 sec latency 149.529 ms 1 733 0.15 MB/sec execute 46 sec latency 309.001 ms 1 762 0.14 MB/sec execute 47 sec latency 116.280 ms 1 789 0.14 MB/sec execute 48 sec latency 153.256 ms 1 810 0.14 MB/sec execute 49 sec latency 236.055 ms 1 869 0.14 MB/sec execute 50 sec latency 124.605 ms 1 890 0.14 MB/sec execute 51 sec latency 207.132 ms 1 918 0.14 MB/sec execute 52 sec latency 251.600 ms 1 955 0.14 MB/sec execute 53 sec latency 105.237 ms 1 980 0.13 MB/sec execute 54 sec latency 213.785 ms 1 1021 0.14 MB/sec execute 55 sec latency 375.143 ms 1 1080 0.15 MB/sec execute 56 sec latency 91.483 ms 1 1134 0.15 MB/sec execute 57 sec latency 98.300 ms 1 1179 0.14 MB/sec execute 58 sec latency 89.887 ms 1 1224 0.14 MB/sec execute 59 sec latency 95.190 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 1 08:50:55 EDT 2026 with return code 0 47251 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47251 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished