== replay-dual test 26: dbench and tar with mds failover ========================================================== 06:56:34 (1788778594) Starting client oleg427-client.virtnet: -o user_xattr,flock 192.168.204.127@tcp:/lustre /mnt/lustre Started clients oleg427-client.virtnet: 192.168.204.127@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 45128 Started dbench loop with 45129 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 2048 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7500800 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 Sep 7 06:56:40 EDT 2026 waiting for dbench pid 45198 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 22 0.52 MB/sec warmup 1 sec latency 85.206 ms 1 71 1.57 MB/sec warmup 2 sec latency 160.496 ms 1 116 1.74 MB/sec warmup 3 sec latency 169.811 ms 1 155 1.63 MB/sec warmup 4 sec latency 120.516 ms test_26 fail mds1 1 times 1 182 1.46 MB/sec warmup 5 sec latency 130.584 ms 1 202 1.30 MB/sec warmup 6 sec latency 213.049 ms 1 231 1.26 MB/sec warmup 7 sec latency 152.732 ms Failing mds1 on oleg427-server 1 271 1.27 MB/sec warmup 8 sec latency 131.888 ms Stopping /mnt/lustre-mds1 (opts:) on oleg427-server 1 303 1.24 MB/sec warmup 9 sec latency 151.275 ms 1 312 1.14 MB/sec warmup 10 sec latency 765.053 ms 1 312 1.04 MB/sec warmup 11 sec latency 1765.268 ms 06:56:53 (1788778613) shut down 1 312 0.95 MB/sec warmup 12 sec latency 2765.530 ms facet: mds1 facet_host: oleg427-server facet_failover_host: oleg427-server 1 312 0.88 MB/sec warmup 13 sec latency 3768.354 ms 1 312 0.82 MB/sec warmup 14 sec latency 4768.617 ms 1 312 0.76 MB/sec warmup 15 sec latency 5769.328 ms 1 312 0.72 MB/sec warmup 16 sec latency 6769.611 ms 1 312 0.67 MB/sec warmup 17 sec latency 7770.312 ms 1 312 0.64 MB/sec warmup 18 sec latency 8770.863 ms 1 312 0.60 MB/sec warmup 19 sec latency 9771.145 ms 1 312 0.00 MB/sec execute 1 sec latency 11772.971 ms 1 312 0.00 MB/sec execute 2 sec latency 12773.232 ms Failover mds1 to oleg427-server mount facets: mds1 1 312 0.00 MB/sec execute 3 sec latency 13774.135 ms 1 312 0.00 MB/sec execute 4 sec latency 14774.412 ms 1 312 0.00 MB/sec execute 5 sec latency 15774.744 ms 1 312 0.00 MB/sec execute 6 sec latency 16775.044 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 7 sec latency 17776.196 ms 1 312 0.00 MB/sec execute 8 sec latency 18776.437 ms 1 312 0.00 MB/sec execute 9 sec latency 19776.703 ms 1 312 0.00 MB/sec execute 10 sec latency 20782.597 ms 1 312 0.00 MB/sec execute 11 sec latency 21782.888 ms 1 312 0.00 MB/sec execute 12 sec latency 22783.118 ms 1 312 0.00 MB/sec execute 13 sec latency 23783.434 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 14 sec latency 24783.777 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 Started lustre-MDT0000 06:57:16 (1788778636) targets are mounted 06:57:16 (1788778636) facet_failover done 1 312 0.00 MB/sec execute 15 sec latency 25784.075 ms 1 312 0.00 MB/sec execute 16 sec latency 26789.797 ms 1 312 0.00 MB/sec execute 17 sec latency 27791.977 ms 1 312 0.00 MB/sec execute 18 sec latency 28792.259 ms 1 312 0.00 MB/sec execute 19 sec latency 29792.570 ms 1 312 0.00 MB/sec execute 20 sec latency 30792.778 ms 1 312 0.00 MB/sec execute 21 sec latency 31792.996 ms 1 312 0.00 MB/sec execute 22 sec latency 32793.976 ms 1 312 0.00 MB/sec execute 23 sec latency 33798.919 ms 1 312 0.00 MB/sec execute 24 sec latency 34799.210 ms 1 312 0.00 MB/sec execute 25 sec latency 35799.506 ms 1 312 0.00 MB/sec execute 26 sec latency 36800.034 ms 1 312 0.00 MB/sec execute 27 sec latency 37800.410 ms 1 312 0.00 MB/sec execute 28 sec latency 38805.320 ms 1 312 0.00 MB/sec execute 29 sec latency 39806.257 ms 1 312 0.00 MB/sec execute 30 sec latency 40806.452 ms 1 330 0.02 MB/sec execute 31 sec latency 40970.853 ms 1 365 0.05 MB/sec execute 32 sec latency 148.363 ms 1 396 0.08 MB/sec execute 33 sec latency 141.263 ms 1 421 0.10 MB/sec execute 34 sec latency 154.207 ms 1 446 0.12 MB/sec execute 35 sec latency 172.893 ms 1 478 0.14 MB/sec execute 36 sec latency 134.924 ms 1 513 0.17 MB/sec execute 37 sec latency 151.558 ms oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 573 0.20 MB/sec execute 38 sec latency 134.166 ms 1 612 0.24 MB/sec execute 39 sec latency 143.023 ms 1 649 0.24 MB/sec execute 40 sec latency 219.109 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 669 0.24 MB/sec execute 41 sec latency 205.844 ms 1 678 0.23 MB/sec execute 42 sec latency 208.711 ms 1 703 0.23 MB/sec execute 43 sec latency 191.306 ms 1 721 0.22 MB/sec execute 44 sec latency 271.569 ms 1 733 0.22 MB/sec execute 45 sec latency 406.263 ms 1 762 0.21 MB/sec execute 46 sec latency 164.281 ms 1 779 0.21 MB/sec execute 47 sec latency 215.620 ms 1 794 0.21 MB/sec execute 48 sec latency 349.607 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3713024 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 33792 3717120 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7430144 1% /mnt/lustre 1 806 0.20 MB/sec execute 49 sec latency 158.189 ms 1 827 0.20 MB/sec execute 50 sec latency 270.267 ms 1 873 0.20 MB/sec execute 51 sec latency 105.812 ms 1 882 0.20 MB/sec execute 52 sec latency 467.127 ms 1 902 0.19 MB/sec execute 53 sec latency 281.069 ms 1 913 0.19 MB/sec execute 54 sec latency 383.782 ms 1 932 0.19 MB/sec execute 55 sec latency 425.512 ms 1 970 0.18 MB/sec execute 56 sec latency 109.743 ms test_26 fail mds1 2 times 1 986 0.18 MB/sec execute 57 sec latency 313.904 ms 1 1038 0.20 MB/sec execute 58 sec latency 150.771 ms 1 1072 0.19 MB/sec execute 59 sec latency 107.184 ms Failing mds1 on oleg427-server 1 1118 0.19 MB/sec execute 60 sec latency 100.782 ms Stopping /mnt/lustre-mds1 (opts:) on oleg427-server 1 1155 0.19 MB/sec execute 61 sec latency 113.971 ms 1 1161 0.19 MB/sec execute 62 sec latency 726.040 ms 1 1161 0.18 MB/sec execute 63 sec latency 1726.241 ms 06:58:05 (1788778685) shut down 1 1161 0.18 MB/sec execute 64 sec latency 2728.215 ms facet: mds1 facet_host: oleg427-server facet_failover_host: oleg427-server 1 1161 0.18 MB/sec execute 65 sec latency 3728.404 ms 1 1161 0.17 MB/sec execute 66 sec latency 4728.623 ms 1 1161 0.17 MB/sec execute 67 sec latency 5729.906 ms 1 1161 0.17 MB/sec execute 68 sec latency 6730.135 ms 1 1161 0.17 MB/sec execute 69 sec latency 7730.366 ms 1 1161 0.16 MB/sec execute 70 sec latency 8730.579 ms 1 1161 0.16 MB/sec execute 71 sec latency 9731.457 ms 1 1161 0.16 MB/sec execute 72 sec latency 10731.963 ms 1 1161 0.16 MB/sec execute 73 sec latency 11732.166 ms 1 1161 0.16 MB/sec execute 74 sec latency 12736.423 ms Failover mds1 to oleg427-server mount facets: mds1 1 1161 0.15 MB/sec execute 75 sec latency 13737.377 ms 1 1161 0.15 MB/sec execute 76 sec latency 14737.568 ms 1 1161 0.15 MB/sec execute 77 sec latency 15742.066 ms 1 1161 0.15 MB/sec execute 78 sec latency 16742.950 ms 1 1161 0.15 MB/sec execute 79 sec latency 17743.343 ms 1 1161 0.14 MB/sec execute 80 sec latency 18746.199 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1161 0.14 MB/sec execute 81 sec latency 19746.499 ms 1 1161 0.14 MB/sec execute 82 sec latency 20746.839 ms 1 1161 0.14 MB/sec execute 83 sec latency 21747.307 ms 1 1161 0.14 MB/sec execute 84 sec latency 22747.913 ms 1 1161 0.14 MB/sec execute 85 sec latency 23748.734 ms 1 1161 0.13 MB/sec execute 86 sec latency 24749.003 ms 1 1161 0.13 MB/sec execute 87 sec latency 25749.767 ms 1 1161 0.13 MB/sec execute 88 sec latency 26751.448 ms 1 1161 0.13 MB/sec execute 89 sec latency 27755.322 ms 1 1161 0.13 MB/sec execute 90 sec latency 28755.643 ms 1 1161 0.13 MB/sec execute 91 sec latency 29758.418 ms 1 1161 0.13 MB/sec execute 92 sec latency 30760.506 ms 1 1161 0.12 MB/sec execute 93 sec latency 31760.793 ms 1 1161 0.12 MB/sec execute 94 sec latency 32761.794 ms 1 1161 0.12 MB/sec execute 95 sec latency 33762.276 ms 1 1161 0.12 MB/sec execute 96 sec latency 34763.110 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 1161 0.12 MB/sec execute 97 sec latency 35763.763 ms 1 1161 0.12 MB/sec execute 98 sec latency 36764.363 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 1 1161 0.12 MB/sec execute 99 sec latency 37764.567 ms 1 cleanup 100 sec Started lustre-MDT0000 06:58:41 (1788778721) targets are mounted 06:58:41 (1788778721) facet_failover done 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 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 121 449.357 41627.331 Close 112 384.030 40970.801 Rename 7 115.016 230.781 Unlink 12 55.329 97.219 Qpathinfo 63 33.437 150.739 Qfileinfo 52 2.599 18.075 Qfsinfo 27 7.218 35.260 Sfileinfo 25 79.485 155.832 Find 33 12.578 82.521 WriteX 256 16.725 134.144 ReadX 118 5.969 111.231 Flush 24 210.713 467.094 Throughput 0.116267 MB/sec 1 clients 1 procs max_latency=40970.853 ms stopping dbench on /mnt/lustre at Mon Sep 7 06:58:50 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 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 Mon Sep 7 06:58:59 EDT 2026 waiting for dbench pid 47136 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 24 0.65 MB/sec warmup 1 sec latency 34.676 ms 1 71 1.57 MB/sec warmup 2 sec latency 137.332 ms 1 113 1.74 MB/sec warmup 3 sec latency 247.129 ms 1 139 1.50 MB/sec warmup 4 sec latency 246.397 ms 1 165 1.36 MB/sec warmup 5 sec latency 182.504 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3717120 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3747840 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 41984 7464960 1% /mnt/lustre 1 189 1.26 MB/sec warmup 6 sec latency 218.674 ms 1 215 1.19 MB/sec warmup 7 sec latency 173.708 ms 1 255 1.21 MB/sec warmup 8 sec latency 119.722 ms 1 297 1.22 MB/sec warmup 9 sec latency 114.460 ms 1 325 1.17 MB/sec warmup 10 sec latency 155.128 ms 1 357 1.16 MB/sec warmup 11 sec latency 144.027 ms test_26 fail mds1 3 times 1 389 1.15 MB/sec warmup 12 sec latency 181.188 ms 1 416 1.12 MB/sec warmup 13 sec latency 198.590 ms Failing mds1 on oleg427-server 1 445 1.12 MB/sec warmup 14 sec latency 264.933 ms 1 470 1.09 MB/sec warmup 15 sec latency 168.563 ms Stopping /mnt/lustre-mds1 (opts:) on oleg427-server 1 503 1.09 MB/sec warmup 16 sec latency 191.176 ms 1 511 1.04 MB/sec warmup 17 sec latency 788.305 ms 1 511 0.98 MB/sec warmup 18 sec latency 1794.986 ms 1 511 0.93 MB/sec warmup 19 sec latency 2797.804 ms 06:59:18 (1788778758) shut down facet: mds1 facet_host: oleg427-server facet_failover_host: oleg427-server 1 511 0.00 MB/sec execute 1 sec latency 4803.971 ms 1 511 0.00 MB/sec execute 2 sec latency 5817.988 ms 1 511 0.00 MB/sec execute 3 sec latency 6818.662 ms 1 511 0.00 MB/sec execute 4 sec latency 7819.389 ms 1 511 0.00 MB/sec execute 5 sec latency 8821.190 ms 1 511 0.00 MB/sec execute 6 sec latency 9821.959 ms 1 511 0.00 MB/sec execute 7 sec latency 10824.069 ms 1 511 0.00 MB/sec execute 8 sec latency 11824.287 ms 1 511 0.00 MB/sec execute 9 sec latency 12824.523 ms Failover mds1 to oleg427-server mount facets: mds1 1 511 0.00 MB/sec execute 10 sec latency 13825.214 ms 1 511 0.00 MB/sec execute 11 sec latency 14825.427 ms 1 511 0.00 MB/sec execute 12 sec latency 15826.918 ms 1 511 0.00 MB/sec execute 13 sec latency 16827.174 ms 1 511 0.00 MB/sec execute 14 sec latency 17828.272 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 511 0.00 MB/sec execute 15 sec latency 18828.592 ms 1 511 0.00 MB/sec execute 16 sec latency 19831.717 ms 1 511 0.00 MB/sec execute 17 sec latency 20832.058 ms 1 511 0.00 MB/sec execute 18 sec latency 21836.488 ms 1 511 0.00 MB/sec execute 19 sec latency 22836.935 ms 1 511 0.00 MB/sec execute 20 sec latency 23838.297 ms 1 511 0.00 MB/sec execute 21 sec latency 24838.684 ms 1 511 0.00 MB/sec execute 22 sec latency 25839.575 ms 1 511 0.00 MB/sec execute 23 sec latency 26840.275 ms 1 511 0.00 MB/sec execute 24 sec latency 27840.544 ms 1 511 0.00 MB/sec execute 25 sec latency 28840.810 ms 1 511 0.00 MB/sec execute 26 sec latency 29841.344 ms 1 511 0.00 MB/sec execute 27 sec latency 30843.710 ms 1 511 0.00 MB/sec execute 28 sec latency 31843.915 ms 1 511 0.00 MB/sec execute 29 sec latency 32845.154 ms 1 511 0.00 MB/sec execute 30 sec latency 33845.949 ms 1 511 0.00 MB/sec execute 31 sec latency 34846.261 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 511 0.00 MB/sec execute 32 sec latency 35846.465 ms 1 511 0.00 MB/sec execute 33 sec latency 36846.744 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 Started lustre-MDT0000 06:59:53 (1788778793) targets are mounted 06:59:53 (1788778793) facet_failover done 1 511 0.00 MB/sec execute 34 sec latency 37847.106 ms 1 511 0.00 MB/sec execute 35 sec latency 38847.678 ms 1 511 0.00 MB/sec execute 36 sec latency 39848.292 ms 1 511 0.00 MB/sec execute 37 sec latency 40848.572 ms 1 511 0.00 MB/sec execute 38 sec latency 41850.265 ms 1 511 0.00 MB/sec execute 39 sec latency 42850.956 ms 1 513 0.00 MB/sec execute 40 sec latency 43673.110 ms 1 562 0.03 MB/sec execute 41 sec latency 351.495 ms 1 636 0.08 MB/sec execute 42 sec latency 116.958 ms 1 661 0.08 MB/sec execute 43 sec latency 205.985 ms 1 676 0.08 MB/sec execute 44 sec latency 321.438 ms 1 703 0.08 MB/sec execute 45 sec latency 125.164 ms oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 723 0.08 MB/sec execute 46 sec latency 282.094 ms 1 740 0.08 MB/sec execute 47 sec latency 168.900 ms 1 778 0.08 MB/sec execute 48 sec latency 137.878 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 796 0.08 MB/sec execute 49 sec latency 250.172 ms 1 810 0.07 MB/sec execute 50 sec latency 168.407 ms 1 863 0.08 MB/sec execute 51 sec latency 131.991 ms 1 884 0.08 MB/sec execute 52 sec latency 336.029 ms 1 903 0.07 MB/sec execute 53 sec latency 181.958 ms 1 921 0.07 MB/sec execute 54 sec latency 262.050 ms 1 957 0.07 MB/sec execute 55 sec latency 140.578 ms 1 980 0.07 MB/sec execute 56 sec latency 251.047 ms 1 1019 0.08 MB/sec execute 57 sec latency 292.793 ms 1 1072 0.09 MB/sec execute 58 sec latency 80.428 ms 1 1128 0.09 MB/sec execute 59 sec latency 83.576 ms 1 1156 0.09 MB/sec execute 60 sec latency 183.488 ms 1 1192 0.09 MB/sec execute 61 sec latency 115.475 ms 1 1221 0.09 MB/sec execute 62 sec latency 169.913 ms 1 1244 0.08 MB/sec execute 63 sec latency 128.477 ms 1 1277 0.08 MB/sec execute 64 sec latency 150.603 ms 1 1403 0.13 MB/sec execute 65 sec latency 77.055 ms 1 1447 0.13 MB/sec execute 66 sec latency 140.664 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 07:00:26 EDT 2026 with return code 0 1 1481 0.12 MB/sec execute 67 sec latency 326.712 ms 47136 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47136 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished