== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:00:33 (1783969233) Starting client oleg447-client.virtnet: -o user_xattr,flock 192.168.204.147@tcp:/lustre /mnt/lustre Started clients oleg447-client.virtnet: 192.168.204.147@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 65654 Started dbench loop with 65655 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 22044 3584892 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23588 7190368 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 Jul 13 15:00:38 EDT 2026 waiting for dbench pid 65733 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 0.20 MB/sec warmup 1 sec latency 12.794 ms 1 71 1.57 MB/sec warmup 2 sec latency 128.561 ms 1 112 1.75 MB/sec warmup 3 sec latency 359.767 ms 1 142 1.50 MB/sec warmup 4 sec latency 189.388 ms 1 169 1.37 MB/sec warmup 5 sec latency 174.319 ms 1 184 1.23 MB/sec warmup 6 sec latency 530.981 ms 1 208 1.15 MB/sec warmup 7 sec latency 586.990 ms 1 246 1.17 MB/sec warmup 8 sec latency 147.028 ms 1 284 1.17 MB/sec warmup 9 sec latency 130.255 ms test_26 fail mds1 1 times 1 313 1.15 MB/sec warmup 10 sec latency 144.044 ms 1 341 1.11 MB/sec warmup 11 sec latency 172.312 ms Failing mds1 on oleg447-server 1 365 1.08 MB/sec warmup 12 sec latency 311.456 ms 1 397 1.08 MB/sec warmup 13 sec latency 144.408 ms Stopping /mnt/lustre-mds1 (opts:) on oleg447-server 1 431 1.08 MB/sec warmup 14 sec latency 141.175 ms 1 444 1.04 MB/sec warmup 15 sec latency 708.118 ms 1 444 0.97 MB/sec warmup 16 sec latency 1710.116 ms 15:00:55 (1783969255) shut down 1 444 0.92 MB/sec warmup 17 sec latency 2710.434 ms facet: mds1 facet_host: oleg447-server facet_failover_host: oleg447-server 1 444 0.87 MB/sec warmup 18 sec latency 3712.117 ms 1 444 0.82 MB/sec warmup 19 sec latency 4712.492 ms 1 444 0.00 MB/sec execute 1 sec latency 6713.555 ms 1 444 0.00 MB/sec execute 2 sec latency 7713.818 ms 1 444 0.00 MB/sec execute 3 sec latency 8716.107 ms 1 444 0.00 MB/sec execute 4 sec latency 9717.226 ms 1 444 0.00 MB/sec execute 5 sec latency 10717.432 ms 1 444 0.00 MB/sec execute 6 sec latency 11720.662 ms 1 444 0.00 MB/sec execute 7 sec latency 12721.526 ms Failover mds1 to oleg447-server mount facets: mds1 1 444 0.00 MB/sec execute 8 sec latency 13722.194 ms 1 444 0.00 MB/sec execute 9 sec latency 14722.411 ms 1 444 0.00 MB/sec execute 10 sec latency 15722.615 ms 1 444 0.00 MB/sec execute 11 sec latency 16722.814 ms 1 444 0.00 MB/sec execute 12 sec latency 17723.086 ms 1 444 0.00 MB/sec execute 13 sec latency 18729.332 ms 1 444 0.00 MB/sec execute 14 sec latency 19737.444 ms 1 444 0.00 MB/sec execute 15 sec latency 20737.648 ms 1 444 0.00 MB/sec execute 16 sec latency 21743.816 ms 1 444 0.00 MB/sec execute 17 sec latency 22749.628 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 444 0.00 MB/sec execute 18 sec latency 23749.846 ms 1 444 0.00 MB/sec execute 19 sec latency 24750.067 ms 1 444 0.00 MB/sec execute 20 sec latency 25750.343 ms 1 444 0.00 MB/sec execute 21 sec latency 26752.209 ms 1 444 0.00 MB/sec execute 22 sec latency 27753.955 ms 1 444 0.00 MB/sec execute 23 sec latency 28760.880 ms 1 444 0.00 MB/sec execute 24 sec latency 29761.552 ms 1 444 0.00 MB/sec execute 25 sec latency 30762.854 ms 1 444 0.00 MB/sec execute 26 sec latency 31763.359 ms 1 444 0.00 MB/sec execute 27 sec latency 32763.638 ms 1 444 0.00 MB/sec execute 28 sec latency 33765.503 ms oleg447-server: oleg447-server.virtnet: executing set_default_debug -1 all 1 444 0.00 MB/sec execute 29 sec latency 34765.831 ms 1 444 0.00 MB/sec execute 30 sec latency 35766.402 ms pdsh@oleg447-client: oleg447-server: ssh exited with exit code 1 1 444 0.00 MB/sec execute 31 sec latency 36767.207 ms Started lustre-MDT0000 15:01:30 (1783969290) targets are mounted 15:01:30 (1783969290) facet_failover done 1 469 0.02 MB/sec execute 32 sec latency 36999.947 ms 1 504 0.06 MB/sec execute 33 sec latency 110.915 ms 1 542 0.10 MB/sec execute 34 sec latency 156.942 ms 1 554 0.10 MB/sec execute 35 sec latency 790.942 ms 1 612 0.15 MB/sec execute 36 sec latency 65.998 ms 1 654 0.15 MB/sec execute 37 sec latency 158.945 ms 1 689 0.15 MB/sec execute 38 sec latency 134.294 ms 1 713 0.14 MB/sec execute 39 sec latency 137.368 ms oleg447-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.14 MB/sec execute 40 sec latency 173.251 ms 1 762 0.14 MB/sec execute 41 sec latency 196.698 ms 1 778 0.14 MB/sec execute 42 sec latency 285.943 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 803 0.14 MB/sec execute 43 sec latency 172.983 ms 1 825 0.13 MB/sec execute 44 sec latency 139.896 ms 1 872 0.13 MB/sec execute 45 sec latency 128.466 ms 1 897 0.13 MB/sec execute 46 sec latency 149.014 ms 1 918 0.13 MB/sec execute 47 sec latency 124.276 ms 1 959 0.13 MB/sec execute 48 sec latency 136.233 ms 1 985 0.13 MB/sec execute 49 sec latency 126.027 ms 1 1050 0.14 MB/sec execute 50 sec latency 114.114 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 41372 3560356 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 8532 3594192 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49904 7154548 1% /mnt/lustre 1 1084 0.14 MB/sec execute 51 sec latency 104.051 ms 1 1132 0.14 MB/sec execute 52 sec latency 124.999 ms 1 1163 0.14 MB/sec execute 53 sec latency 103.331 ms 1 1172 0.14 MB/sec execute 54 sec latency 875.783 ms 1 1187 0.13 MB/sec execute 55 sec latency 1268.907 ms 1 1221 0.13 MB/sec execute 56 sec latency 125.470 ms 1 1257 0.13 MB/sec execute 57 sec latency 143.553 ms 1 1380 0.18 MB/sec execute 58 sec latency 133.814 ms 1 1409 0.18 MB/sec execute 59 sec latency 122.758 ms 1 1455 0.17 MB/sec execute 60 sec latency 106.174 ms test_26 fail mds2 2 times 1 1499 0.17 MB/sec execute 61 sec latency 133.888 ms 1 1534 0.17 MB/sec execute 62 sec latency 129.284 ms Failing mds2 on oleg447-server 1 1569 0.17 MB/sec execute 63 sec latency 124.178 ms Stopping /mnt/lustre-mds2 (opts:) on oleg447-server 1 1609 0.16 MB/sec execute 64 sec latency 152.261 ms 1 1647 0.16 MB/sec execute 65 sec latency 148.991 ms 1 1698 0.16 MB/sec execute 66 sec latency 86.581 ms 1 1783 0.16 MB/sec execute 67 sec latency 80.389 ms 1 1848 0.16 MB/sec execute 68 sec latency 92.644 ms 1 1924 0.16 MB/sec execute 69 sec latency 98.401 ms 1 2000 0.15 MB/sec execute 70 sec latency 88.502 ms 1 2089 0.15 MB/sec execute 71 sec latency 63.864 ms 1 2154 0.15 MB/sec execute 72 sec latency 74.413 ms 15:02:11 (1783969331) shut down facet: mds2 facet_host: oleg447-server facet_failover_host: oleg447-server 1 2198 0.15 MB/sec execute 73 sec latency 104.489 ms 1 2259 0.15 MB/sec execute 74 sec latency 381.752 ms 1 2259 0.15 MB/sec execute 75 sec latency 1381.988 ms 1 2259 0.15 MB/sec execute 76 sec latency 2385.142 ms 1 2259 0.14 MB/sec execute 77 sec latency 3385.374 ms 1 2259 0.14 MB/sec execute 78 sec latency 4387.040 ms 1 2259 0.14 MB/sec execute 79 sec latency 5388.822 ms 1 2259 0.14 MB/sec execute 80 sec latency 6389.102 ms 1 2259 0.14 MB/sec execute 81 sec latency 7390.283 ms 1 2259 0.14 MB/sec execute 82 sec latency 8390.886 ms 1 2259 0.13 MB/sec execute 83 sec latency 9391.104 ms Failover mds2 to oleg447-server mount facets: mds2 1 2259 0.13 MB/sec execute 84 sec latency 10391.378 ms 1 2259 0.13 MB/sec execute 85 sec latency 11391.755 ms 1 2259 0.13 MB/sec execute 86 sec latency 12392.140 ms 1 2259 0.13 MB/sec execute 87 sec latency 13392.359 ms 1 2259 0.13 MB/sec execute 88 sec latency 14392.592 ms 1 2259 0.12 MB/sec execute 89 sec latency 15393.774 ms 1 2259 0.12 MB/sec execute 90 sec latency 16394.260 ms 1 2259 0.12 MB/sec execute 91 sec latency 17394.556 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 92 sec latency 18395.347 ms 1 2259 0.12 MB/sec execute 93 sec latency 19395.631 ms 1 2259 0.12 MB/sec execute 94 sec latency 20396.104 ms 1 2259 0.12 MB/sec execute 95 sec latency 21397.572 ms 1 2259 0.12 MB/sec execute 96 sec latency 22398.992 ms 1 2259 0.11 MB/sec execute 97 sec latency 23399.275 ms oleg447-server: oleg447-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 98 sec latency 24399.534 ms pdsh@oleg447-client: oleg447-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 99 sec latency 25400.272 ms Started lustre-MDT0001 15:02:38 (1783969358) targets are mounted 15:02:38 (1783969358) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 139.071 26174.224 Close 284 141.715 36999.914 Rename 11 101.705 172.938 Unlink 30 29.141 60.273 Qpathinfo 295 16.001 104.286 Qfileinfo 76 2.722 15.016 Qfsinfo 33 4.493 31.241 Sfileinfo 34 76.134 145.898 Find 92 13.276 62.674 WriteX 266 14.713 61.132 ReadX 362 3.366 114.089 Flush 30 58.297 148.998 Throughput 0.112353 MB/sec 1 clients 1 procs max_latency=36999.947 ms stopping dbench on /mnt/lustre at Mon Jul 13 15:02:42 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg447-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-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 Mon Jul 13 15:02:51 EDT 2026 waiting for dbench pid 67837 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 19 0.33 MB/sec warmup 1 sec latency 16.168 ms 1 91 2.09 MB/sec warmup 2 sec latency 90.613 ms 1 130 1.92 MB/sec warmup 3 sec latency 168.785 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2300 1269004 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44644 3560564 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2604 3603772 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47248 7164336 1% /mnt/lustre 1 156 1.63 MB/sec warmup 4 sec latency 207.929 ms 1 184 1.48 MB/sec warmup 5 sec latency 287.526 ms 1 208 1.35 MB/sec warmup 6 sec latency 466.573 ms 1 248 1.34 MB/sec warmup 7 sec latency 137.393 ms 1 289 1.34 MB/sec warmup 8 sec latency 121.272 ms 1 331 1.33 MB/sec warmup 9 sec latency 119.207 ms 1 349 1.25 MB/sec warmup 10 sec latency 480.528 ms 1 381 1.23 MB/sec warmup 11 sec latency 181.187 ms 1 419 1.23 MB/sec warmup 12 sec latency 236.263 ms test_26 fail mds1 3 times 1 461 1.24 MB/sec warmup 13 sec latency 125.857 ms 1 503 1.25 MB/sec warmup 14 sec latency 134.371 ms Failing mds1 on oleg447-server 1 557 1.27 MB/sec warmup 15 sec latency 140.440 ms Stopping /mnt/lustre-mds1 (opts:) on oleg447-server 1 640 1.31 MB/sec warmup 16 sec latency 94.861 ms 1 661 1.24 MB/sec warmup 17 sec latency 641.091 ms 1 661 1.17 MB/sec warmup 18 sec latency 1649.210 ms 15:03:10 (1783969390) shut down facet: mds1 facet_host: oleg447-server facet_failover_host: oleg447-server 1 661 1.11 MB/sec warmup 19 sec latency 2650.140 ms 1 661 0.00 MB/sec execute 1 sec latency 4651.430 ms 1 661 0.00 MB/sec execute 2 sec latency 5654.944 ms 1 661 0.00 MB/sec execute 3 sec latency 6655.772 ms 1 661 0.00 MB/sec execute 4 sec latency 7656.312 ms 1 661 0.00 MB/sec execute 5 sec latency 8656.758 ms 1 661 0.00 MB/sec execute 6 sec latency 9658.192 ms 1 661 0.00 MB/sec execute 7 sec latency 10658.507 ms 1 661 0.00 MB/sec execute 8 sec latency 11658.834 ms 1 661 0.00 MB/sec execute 9 sec latency 12660.916 ms Failover mds1 to oleg447-server mount facets: mds1 1 661 0.00 MB/sec execute 10 sec latency 13661.866 ms 1 661 0.00 MB/sec execute 11 sec latency 14662.716 ms 1 661 0.00 MB/sec execute 12 sec latency 15663.872 ms 1 661 0.00 MB/sec execute 13 sec latency 16664.400 ms 1 661 0.00 MB/sec execute 14 sec latency 17664.738 ms 1 661 0.00 MB/sec execute 15 sec latency 18665.110 ms 1 661 0.00 MB/sec execute 16 sec latency 19665.344 ms 1 661 0.00 MB/sec execute 17 sec latency 20670.112 ms 1 661 0.00 MB/sec execute 18 sec latency 21670.401 ms 1 661 0.00 MB/sec execute 19 sec latency 22676.434 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 661 0.00 MB/sec execute 20 sec latency 23676.771 ms 1 661 0.00 MB/sec execute 21 sec latency 24677.035 ms 1 661 0.00 MB/sec execute 22 sec latency 25677.364 ms 1 661 0.00 MB/sec execute 23 sec latency 26678.516 ms 1 661 0.00 MB/sec execute 24 sec latency 27678.771 ms 1 661 0.00 MB/sec execute 25 sec latency 28679.034 ms 1 661 0.00 MB/sec execute 26 sec latency 29683.250 ms 1 661 0.00 MB/sec execute 27 sec latency 30683.834 ms 1 661 0.00 MB/sec execute 28 sec latency 31684.630 ms 1 661 0.00 MB/sec execute 29 sec latency 32685.170 ms 1 661 0.00 MB/sec execute 30 sec latency 33685.468 ms 1 661 0.00 MB/sec execute 31 sec latency 34686.120 ms 1 661 0.00 MB/sec execute 32 sec latency 35686.494 ms oleg447-server: oleg447-server.virtnet: executing set_default_debug -1 all 1 661 0.00 MB/sec execute 33 sec latency 36686.771 ms pdsh@oleg447-client: oleg447-server: ssh exited with exit code 1 1 661 0.00 MB/sec execute 34 sec latency 37686.970 ms Started lustre-MDT0000 15:03:46 (1783969426) targets are mounted 15:03:46 (1783969426) facet_failover done 1 661 0.00 MB/sec execute 35 sec latency 38691.017 ms 1 689 0.00 MB/sec execute 36 sec latency 38986.934 ms 1 718 0.00 MB/sec execute 37 sec latency 133.284 ms 1 735 0.00 MB/sec execute 38 sec latency 507.249 ms 1 769 0.01 MB/sec execute 39 sec latency 144.467 ms 1 801 0.01 MB/sec execute 40 sec latency 149.675 ms 1 848 0.01 MB/sec execute 41 sec latency 100.398 ms oleg447-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 874 0.01 MB/sec execute 42 sec latency 118.507 ms 1 900 0.01 MB/sec execute 43 sec latency 181.324 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 919 0.01 MB/sec execute 44 sec latency 164.661 ms 1 955 0.01 MB/sec execute 45 sec latency 156.305 ms 1 983 0.02 MB/sec execute 46 sec latency 134.931 ms 1 1050 0.04 MB/sec execute 47 sec latency 89.714 ms 1 1085 0.04 MB/sec execute 48 sec latency 113.514 ms 1 1132 0.04 MB/sec execute 49 sec latency 115.262 ms 1 1173 0.04 MB/sec execute 50 sec latency 128.743 ms 1 1216 0.04 MB/sec execute 51 sec latency 83.091 ms 1 1244 0.04 MB/sec execute 52 sec latency 101.655 ms 1 1296 0.04 MB/sec execute 53 sec latency 108.352 ms 1 1379 0.09 MB/sec execute 54 sec latency 760.748 ms 1 1418 0.09 MB/sec execute 55 sec latency 107.020 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1457 0.09 MB/sec execute 56 sec latency 104.133 ms 1 1497 0.09 MB/sec execute 57 sec latency 107.781 ms 1 1543 0.09 MB/sec execute 58 sec latency 106.801 ms 1 1576 0.08 MB/sec execute 59 sec latency 84.301 ms 1 1628 0.08 MB/sec execute 60 sec latency 108.931 ms 1 1660 0.08 MB/sec execute 61 sec latency 177.642 ms 1 1709 0.08 MB/sec execute 62 sec latency 186.502 ms 1 1775 0.08 MB/sec execute 63 sec latency 73.560 ms 1 1834 0.08 MB/sec execute 64 sec latency 70.991 ms 1 1886 0.08 MB/sec execute 65 sec latency 94.894 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jul 13 15:04:18 EDT 2026 with return code 0 1 1961 0.08 MB/sec execute 66 sec latency 88.984 ms 67837 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67837 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished