== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:37:50 (1774877870) Starting client oleg205-client.virtnet: -o user_xattr,flock 192.168.202.105@tcp:/lustre /mnt/lustre Started clients oleg205-client.virtnet: 192.168.202.105@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 44837 Started dbench loop with 44838 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 3328 2205184 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 19456 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3750912 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 22528 7488512 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 Mar 30 09:37:57 EDT 2026 waiting for dbench pid 44907 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 20 0.39 MB/sec warmup 1 sec latency 18.194 ms 1 58 1.17 MB/sec warmup 2 sec latency 171.115 ms 1 111 1.74 MB/sec warmup 3 sec latency 116.223 ms 1 147 1.56 MB/sec warmup 4 sec latency 201.824 ms 1 185 1.47 MB/sec warmup 5 sec latency 162.844 ms 1 226 1.43 MB/sec warmup 6 sec latency 116.858 ms test_26 fail mds1 1 times 1 259 1.38 MB/sec warmup 7 sec latency 149.397 ms 1 289 1.33 MB/sec warmup 8 sec latency 180.729 ms Failing mds1 on oleg205-server 1 315 1.27 MB/sec warmup 9 sec latency 181.410 ms Stopping /mnt/lustre-mds1 (opts:) on oleg205-server 1 342 1.22 MB/sec warmup 10 sec latency 181.847 ms 1 365 1.18 MB/sec warmup 11 sec latency 450.630 ms 1 365 1.08 MB/sec warmup 12 sec latency 1451.746 ms 1 365 1.00 MB/sec warmup 13 sec latency 2452.330 ms 09:38:10 (1774877890) shut down facet: mds1 facet_host: oleg205-server facet_failover_host: oleg205-server 1 365 0.93 MB/sec warmup 14 sec latency 3453.106 ms 1 365 0.87 MB/sec warmup 15 sec latency 4454.876 ms 1 365 0.81 MB/sec warmup 16 sec latency 5460.382 ms 1 365 0.77 MB/sec warmup 17 sec latency 6460.613 ms 1 365 0.72 MB/sec warmup 18 sec latency 7460.914 ms 1 365 0.68 MB/sec warmup 19 sec latency 8463.059 ms 1 365 0.00 MB/sec execute 1 sec latency 10464.040 ms 1 365 0.00 MB/sec execute 2 sec latency 11464.245 ms 1 365 0.00 MB/sec execute 3 sec latency 12464.542 ms 1 365 0.00 MB/sec execute 4 sec latency 13464.793 ms Failover mds1 to oleg205-server mount facets: mds1 1 365 0.00 MB/sec execute 5 sec latency 14465.740 ms 1 365 0.00 MB/sec execute 6 sec latency 15465.897 ms 1 365 0.00 MB/sec execute 7 sec latency 16475.186 ms 1 365 0.00 MB/sec execute 8 sec latency 17477.785 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 365 0.00 MB/sec execute 9 sec latency 18478.109 ms 1 365 0.00 MB/sec execute 10 sec latency 19479.143 ms 1 365 0.00 MB/sec execute 11 sec latency 20479.658 ms 1 365 0.00 MB/sec execute 12 sec latency 21483.539 ms 1 365 0.00 MB/sec execute 13 sec latency 22485.740 ms 1 365 0.00 MB/sec execute 14 sec latency 23489.570 ms 1 365 0.00 MB/sec execute 15 sec latency 24490.097 ms 1 365 0.00 MB/sec execute 16 sec latency 25493.609 ms 1 365 0.00 MB/sec execute 17 sec latency 26493.922 ms 1 365 0.00 MB/sec execute 18 sec latency 27494.330 ms 1 365 0.00 MB/sec execute 19 sec latency 28494.598 ms 1 365 0.00 MB/sec execute 20 sec latency 29496.239 ms 1 365 0.00 MB/sec execute 21 sec latency 30497.814 ms 1 365 0.00 MB/sec execute 22 sec latency 31498.001 ms 1 365 0.00 MB/sec execute 23 sec latency 32499.097 ms 1 365 0.00 MB/sec execute 24 sec latency 33500.419 ms 1 365 0.00 MB/sec execute 25 sec latency 34500.593 ms oleg205-server: oleg205-server.virtnet: executing set_default_debug -1 all 1 365 0.00 MB/sec execute 26 sec latency 35500.834 ms pdsh@oleg205-client: oleg205-server: ssh exited with exit code 1 1 365 0.00 MB/sec execute 27 sec latency 36502.876 ms 1 365 0.00 MB/sec execute 28 sec latency 37503.079 ms Started lustre-MDT0000 09:38:45 (1774877925) targets are mounted 09:38:45 (1774877925) facet_failover done 1 365 0.00 MB/sec execute 29 sec latency 38505.064 ms 1 365 0.00 MB/sec execute 30 sec latency 39507.868 ms 1 387 0.02 MB/sec execute 31 sec latency 39781.809 ms 1 428 0.06 MB/sec execute 32 sec latency 133.839 ms oleg205-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 469 0.10 MB/sec execute 33 sec latency 131.301 ms 1 509 0.14 MB/sec execute 34 sec latency 122.558 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 580 0.19 MB/sec execute 35 sec latency 125.347 ms 1 642 0.22 MB/sec execute 36 sec latency 138.441 ms 1 669 0.22 MB/sec execute 37 sec latency 230.288 ms 1 692 0.21 MB/sec execute 38 sec latency 155.257 ms 1 721 0.21 MB/sec execute 39 sec latency 264.988 ms 1 762 0.21 MB/sec execute 40 sec latency 272.190 ms 1 791 0.20 MB/sec execute 41 sec latency 241.773 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3584 2204928 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3662848 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3743744 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7406592 1% /mnt/lustre 1 808 0.20 MB/sec execute 42 sec latency 134.119 ms 1 858 0.20 MB/sec execute 43 sec latency 119.675 ms 1 880 0.20 MB/sec execute 44 sec latency 317.052 ms 1 903 0.19 MB/sec execute 45 sec latency 148.019 ms 1 923 0.19 MB/sec execute 46 sec latency 323.780 ms 1 970 0.19 MB/sec execute 47 sec latency 83.900 ms test_26 fail mds1 2 times 1 993 0.18 MB/sec execute 48 sec latency 159.122 ms 1 1057 0.20 MB/sec execute 49 sec latency 89.868 ms Failing mds1 on oleg205-server 1 1102 0.20 MB/sec execute 50 sec latency 108.151 ms Stopping /mnt/lustre-mds1 (opts:) on oleg205-server 1 1139 0.19 MB/sec execute 51 sec latency 95.131 ms 1 1177 0.19 MB/sec execute 52 sec latency 108.394 ms 1 1188 0.19 MB/sec execute 53 sec latency 669.681 ms 1 1188 0.18 MB/sec execute 54 sec latency 1669.975 ms 1 1188 0.18 MB/sec execute 55 sec latency 2670.191 ms 09:39:12 (1774877952) shut down facet: mds1 facet_host: oleg205-server facet_failover_host: oleg205-server 1 1188 0.18 MB/sec execute 56 sec latency 3670.784 ms 1 1188 0.18 MB/sec execute 57 sec latency 4673.020 ms 1 1188 0.17 MB/sec execute 58 sec latency 5677.272 ms 1 1188 0.17 MB/sec execute 59 sec latency 6684.808 ms 1 1188 0.17 MB/sec execute 60 sec latency 7685.119 ms 1 1188 0.16 MB/sec execute 61 sec latency 8685.570 ms 1 1188 0.16 MB/sec execute 62 sec latency 9686.722 ms 1 1188 0.16 MB/sec execute 63 sec latency 10686.928 ms 1 1188 0.16 MB/sec execute 64 sec latency 11691.313 ms 1 1188 0.15 MB/sec execute 65 sec latency 12692.523 ms Failover mds1 to oleg205-server 1 1188 0.15 MB/sec execute 66 sec latency 13693.795 ms mount facets: mds1 1 1188 0.15 MB/sec execute 67 sec latency 14694.079 ms 1 1188 0.15 MB/sec execute 68 sec latency 15694.731 ms 1 1188 0.14 MB/sec execute 69 sec latency 16695.008 ms 1 1188 0.14 MB/sec execute 70 sec latency 17695.211 ms 1 1188 0.14 MB/sec execute 71 sec latency 18695.980 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.14 MB/sec execute 72 sec latency 19696.493 ms 1 1188 0.14 MB/sec execute 73 sec latency 20698.683 ms 1 1188 0.13 MB/sec execute 74 sec latency 21699.904 ms 1 1188 0.13 MB/sec execute 75 sec latency 22706.617 ms 1 1188 0.13 MB/sec execute 76 sec latency 23708.928 ms 1 1188 0.13 MB/sec execute 77 sec latency 24709.364 ms 1 1188 0.13 MB/sec execute 78 sec latency 25709.606 ms 1 1188 0.13 MB/sec execute 79 sec latency 26714.918 ms 1 1188 0.12 MB/sec execute 80 sec latency 27715.354 ms 1 1188 0.12 MB/sec execute 81 sec latency 28716.921 ms 1 1188 0.12 MB/sec execute 82 sec latency 29717.448 ms 1 1188 0.12 MB/sec execute 83 sec latency 30717.719 ms 1 1188 0.12 MB/sec execute 84 sec latency 31718.324 ms 1 1188 0.12 MB/sec execute 85 sec latency 32719.722 ms 1 1188 0.12 MB/sec execute 86 sec latency 33720.119 ms 1 1188 0.11 MB/sec execute 87 sec latency 34725.700 ms 1 1188 0.11 MB/sec execute 88 sec latency 35726.108 ms 1 1188 0.11 MB/sec execute 89 sec latency 36726.312 ms oleg205-server: oleg205-server.virtnet: executing set_default_debug -1 all 1 1188 0.11 MB/sec execute 90 sec latency 37726.959 ms pdsh@oleg205-client: oleg205-server: ssh exited with exit code 1 1 1188 0.11 MB/sec execute 91 sec latency 38728.330 ms Started lustre-MDT0000 09:39:49 (1774877989) targets are mounted 09:39:49 (1774877989) facet_failover done 1 1188 0.11 MB/sec execute 92 sec latency 39729.758 ms 1 1188 0.11 MB/sec execute 93 sec latency 40740.023 ms 1 1188 0.11 MB/sec execute 94 sec latency 41746.748 ms 1 1188 0.11 MB/sec execute 95 sec latency 42747.216 ms 1 1188 0.10 MB/sec execute 96 sec latency 43747.568 ms 1 1205 0.10 MB/sec execute 97 sec latency 43907.777 ms 1 1233 0.10 MB/sec execute 98 sec latency 121.258 ms 1 1263 0.10 MB/sec execute 99 sec latency 125.557 ms oleg205-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 136 365.773 39781.795 Close 124 367.856 43907.751 Rename 10 100.626 151.478 Unlink 17 36.305 70.988 Qpathinfo 92 28.216 250.108 Qfileinfo 50 1.908 17.675 Qfsinfo 33 4.380 27.508 Sfileinfo 34 66.633 125.901 Find 46 9.548 138.428 WriteX 237 12.587 68.627 ReadX 220 3.116 91.792 Flush 24 143.788 323.764 Throughput 0.101477 MB/sec 1 clients 1 procs max_latency=43907.777 ms stopping dbench on /mnt/lustre at Mon Mar 30 09:40:02 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3968 2204544 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3726336 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 5120 3745792 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 23552 7472128 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 Mar 30 09:40:08 EDT 2026 waiting for dbench pid 46899 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 40.217 ms 1 69 1.53 MB/sec warmup 2 sec latency 158.868 ms 1 111 1.74 MB/sec warmup 3 sec latency 200.704 ms 1 137 1.50 MB/sec warmup 4 sec latency 271.836 ms 1 157 1.31 MB/sec warmup 5 sec latency 239.421 ms 1 189 1.26 MB/sec warmup 6 sec latency 163.037 ms test_26 fail mds1 3 times 1 221 1.22 MB/sec warmup 7 sec latency 134.741 ms 1 255 1.20 MB/sec warmup 8 sec latency 143.147 ms Failing mds1 on oleg205-server 1 286 1.19 MB/sec warmup 9 sec latency 150.040 ms Stopping /mnt/lustre-mds1 (opts:) on oleg205-server 1 315 1.15 MB/sec warmup 10 sec latency 196.740 ms 1 341 1.11 MB/sec warmup 11 sec latency 190.782 ms 1 348 1.04 MB/sec warmup 12 sec latency 742.072 ms 1 348 0.96 MB/sec warmup 13 sec latency 1742.232 ms 09:40:22 (1774878022) shut down facet: mds1 facet_host: oleg205-server facet_failover_host: oleg205-server 1 348 0.89 MB/sec warmup 14 sec latency 2742.368 ms 1 348 0.83 MB/sec warmup 15 sec latency 3747.863 ms 1 348 0.78 MB/sec warmup 16 sec latency 4748.052 ms 1 348 0.74 MB/sec warmup 17 sec latency 5754.560 ms 1 348 0.69 MB/sec warmup 18 sec latency 6754.786 ms 1 348 0.66 MB/sec warmup 19 sec latency 7755.103 ms 1 348 0.00 MB/sec execute 1 sec latency 9755.632 ms 1 348 0.00 MB/sec execute 2 sec latency 10757.563 ms 1 348 0.00 MB/sec execute 3 sec latency 11759.512 ms 1 348 0.00 MB/sec execute 4 sec latency 12761.903 ms Failover mds1 to oleg205-server mount facets: mds1 1 348 0.00 MB/sec execute 5 sec latency 13763.121 ms 1 348 0.00 MB/sec execute 6 sec latency 14763.465 ms 1 348 0.00 MB/sec execute 7 sec latency 15764.085 ms 1 348 0.00 MB/sec execute 8 sec latency 16765.670 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 9 sec latency 17766.030 ms 1 348 0.00 MB/sec execute 10 sec latency 18766.340 ms 1 348 0.00 MB/sec execute 11 sec latency 19767.456 ms 1 348 0.00 MB/sec execute 12 sec latency 20770.394 ms 1 348 0.00 MB/sec execute 13 sec latency 21772.006 ms 1 348 0.00 MB/sec execute 14 sec latency 22772.612 ms 1 348 0.00 MB/sec execute 15 sec latency 23773.122 ms 1 348 0.00 MB/sec execute 16 sec latency 24773.450 ms 1 348 0.00 MB/sec execute 17 sec latency 25778.523 ms 1 348 0.00 MB/sec execute 18 sec latency 26779.728 ms 1 348 0.00 MB/sec execute 19 sec latency 27782.216 ms 1 348 0.00 MB/sec execute 20 sec latency 28782.504 ms 1 348 0.00 MB/sec execute 21 sec latency 29782.826 ms 1 348 0.00 MB/sec execute 22 sec latency 30784.723 ms 1 348 0.00 MB/sec execute 23 sec latency 31786.443 ms 1 348 0.00 MB/sec execute 24 sec latency 32787.162 ms 1 348 0.00 MB/sec execute 25 sec latency 33787.470 ms 1 348 0.00 MB/sec execute 26 sec latency 34787.727 ms oleg205-server: oleg205-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 27 sec latency 35788.616 ms pdsh@oleg205-client: oleg205-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 28 sec latency 36790.866 ms 1 348 0.00 MB/sec execute 29 sec latency 37798.702 ms Started lustre-MDT0000 09:40:58 (1774878058) targets are mounted 09:40:58 (1774878058) facet_failover done 1 348 0.00 MB/sec execute 30 sec latency 38799.266 ms 1 348 0.00 MB/sec execute 31 sec latency 39799.706 ms 1 348 0.00 MB/sec execute 32 sec latency 40831.279 ms 1 348 0.00 MB/sec execute 33 sec latency 41838.671 ms 1 348 0.00 MB/sec execute 34 sec latency 42839.376 ms 1 348 0.00 MB/sec execute 35 sec latency 43839.617 ms 1 364 0.01 MB/sec execute 36 sec latency 44077.237 ms 1 392 0.04 MB/sec execute 37 sec latency 165.807 ms 1 429 0.07 MB/sec execute 38 sec latency 115.670 ms oleg205-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 461 0.09 MB/sec execute 39 sec latency 139.631 ms 1 486 0.11 MB/sec execute 40 sec latency 194.420 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 511 0.13 MB/sec execute 41 sec latency 188.884 ms 1 542 0.16 MB/sec execute 42 sec latency 148.778 ms 1 612 0.20 MB/sec execute 43 sec latency 218.515 ms 1 661 0.20 MB/sec execute 44 sec latency 161.298 ms 1 673 0.19 MB/sec execute 45 sec latency 298.170 ms 1 695 0.19 MB/sec execute 46 sec latency 202.999 ms 1 721 0.19 MB/sec execute 47 sec latency 213.761 ms 1 736 0.18 MB/sec execute 48 sec latency 245.567 ms 1 773 0.18 MB/sec execute 49 sec latency 128.040 ms 1 796 0.18 MB/sec execute 50 sec latency 342.325 ms 1 825 0.18 MB/sec execute 51 sec latency 153.291 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 873 0.18 MB/sec execute 52 sec latency 134.290 ms 1 900 0.17 MB/sec execute 53 sec latency 337.943 ms 1 916 0.17 MB/sec execute 54 sec latency 424.783 ms 1 962 0.17 MB/sec execute 55 sec latency 160.704 ms 1 983 0.17 MB/sec execute 56 sec latency 384.827 ms 1 1040 0.18 MB/sec execute 57 sec latency 188.486 ms 1 1082 0.18 MB/sec execute 58 sec latency 114.449 ms 1 1135 0.18 MB/sec execute 59 sec latency 111.062 ms 1 1172 0.17 MB/sec execute 60 sec latency 196.742 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Mar 30 09:41:29 EDT 2026 with return code 0 1 1214 0.17 MB/sec execute 61 sec latency 144.064 ms 46899 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46899 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished