== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:37:46 (1779205066) Starting client oleg109-client.virtnet: -o user_xattr,flock 192.168.201.109@tcp:/lustre /mnt/lustre Started clients oleg109-client.virtnet: 192.168.201.109@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 44640 Started dbench loop with 44641 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 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 6144 3742720 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7504896 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 May 19 11:37:54 EDT 2026 waiting for dbench pid 44709 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 14 0.00 MB/sec warmup 1 sec latency 63.110 ms 1 51 1.05 MB/sec warmup 2 sec latency 200.419 ms 1 91 1.40 MB/sec warmup 3 sec latency 177.752 ms 1 123 1.37 MB/sec warmup 4 sec latency 229.839 ms test_26 fail mds1 1 times 1 147 1.26 MB/sec warmup 5 sec latency 174.264 ms 1 165 1.13 MB/sec warmup 6 sec latency 248.071 ms 1 184 1.05 MB/sec warmup 7 sec latency 220.886 ms Failing mds1 on oleg109-server 1 203 0.99 MB/sec warmup 8 sec latency 483.500 ms Stopping /mnt/lustre-mds1 (opts:) on oleg109-server 1 236 1.00 MB/sec warmup 9 sec latency 161.170 ms 1 263 0.99 MB/sec warmup 10 sec latency 421.676 ms 1 263 0.90 MB/sec warmup 11 sec latency 1425.354 ms 1 263 0.83 MB/sec warmup 12 sec latency 2425.578 ms 1 263 0.76 MB/sec warmup 13 sec latency 3426.811 ms 11:38:07 (1779205087) shut down facet: mds1 facet_host: oleg109-server facet_failover_host: oleg109-server 1 263 0.71 MB/sec warmup 14 sec latency 4427.422 ms 1 263 0.66 MB/sec warmup 15 sec latency 5427.933 ms 1 263 0.62 MB/sec warmup 16 sec latency 6428.225 ms 1 263 0.58 MB/sec warmup 17 sec latency 7428.506 ms 1 263 0.55 MB/sec warmup 18 sec latency 8428.840 ms 1 263 0.52 MB/sec warmup 19 sec latency 9429.347 ms 1 263 0.00 MB/sec execute 1 sec latency 11429.894 ms 1 263 0.00 MB/sec execute 2 sec latency 12434.020 ms 1 263 0.00 MB/sec execute 3 sec latency 13434.345 ms Failover mds1 to oleg109-server mount facets: mds1 1 263 0.00 MB/sec execute 4 sec latency 14437.735 ms 1 263 0.00 MB/sec execute 5 sec latency 15440.315 ms 1 263 0.00 MB/sec execute 6 sec latency 16440.941 ms 1 263 0.00 MB/sec execute 7 sec latency 17441.342 ms 1 263 0.00 MB/sec execute 8 sec latency 18441.960 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 263 0.00 MB/sec execute 9 sec latency 19442.259 ms 1 263 0.00 MB/sec execute 10 sec latency 20442.550 ms 1 263 0.00 MB/sec execute 11 sec latency 21442.948 ms 1 263 0.00 MB/sec execute 12 sec latency 22444.721 ms 1 263 0.00 MB/sec execute 13 sec latency 23445.014 ms 1 263 0.00 MB/sec execute 14 sec latency 24445.344 ms 1 263 0.00 MB/sec execute 15 sec latency 25445.795 ms 1 263 0.00 MB/sec execute 16 sec latency 26446.449 ms 1 263 0.00 MB/sec execute 17 sec latency 27446.723 ms 1 263 0.00 MB/sec execute 18 sec latency 28448.008 ms 1 263 0.00 MB/sec execute 19 sec latency 29448.312 ms 1 263 0.00 MB/sec execute 20 sec latency 30448.812 ms 1 263 0.00 MB/sec execute 21 sec latency 31449.488 ms 1 263 0.00 MB/sec execute 22 sec latency 32452.476 ms oleg109-server: oleg109-server.virtnet: executing set_default_debug -1 all 1 263 0.00 MB/sec execute 23 sec latency 33452.733 ms 1 263 0.00 MB/sec execute 24 sec latency 34455.731 ms pdsh@oleg109-client: oleg109-server: ssh exited with exit code 1 1 263 0.00 MB/sec execute 25 sec latency 35456.108 ms Started lustre-MDT0000 11:38:40 (1779205120) targets are mounted 11:38:40 (1779205120) facet_failover done 1 263 0.00 MB/sec execute 26 sec latency 36456.404 ms 1 263 0.00 MB/sec execute 27 sec latency 37456.704 ms 1 263 0.00 MB/sec execute 28 sec latency 38458.432 ms 1 263 0.00 MB/sec execute 29 sec latency 39458.673 ms 1 263 0.00 MB/sec execute 30 sec latency 40459.859 ms 1 263 0.00 MB/sec execute 31 sec latency 41459.968 ms 1 288 0.02 MB/sec execute 32 sec latency 41558.921 ms 1 312 0.05 MB/sec execute 33 sec latency 191.534 ms 1 332 0.06 MB/sec execute 34 sec latency 187.699 ms oleg109-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 357 0.08 MB/sec execute 35 sec latency 251.937 ms 1 378 0.10 MB/sec execute 36 sec latency 181.544 ms 1 398 0.11 MB/sec execute 37 sec latency 257.370 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 425 0.13 MB/sec execute 38 sec latency 206.937 ms 1 453 0.15 MB/sec execute 39 sec latency 169.269 ms 1 493 0.18 MB/sec execute 40 sec latency 180.992 ms 1 513 0.19 MB/sec execute 41 sec latency 168.609 ms 1 542 0.22 MB/sec execute 42 sec latency 229.897 ms 1 616 0.26 MB/sec execute 43 sec latency 158.624 ms 1 655 0.25 MB/sec execute 44 sec latency 148.573 ms UUID 1K-blocks Used Available Use% Mounted on 1 673 0.25 MB/sec execute 45 sec latency 312.025 ms lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 13312 3722240 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3712000 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7434240 1% /mnt/lustre 1 692 0.24 MB/sec execute 46 sec latency 184.503 ms 1 713 0.24 MB/sec execute 47 sec latency 126.252 ms 1 726 0.24 MB/sec execute 48 sec latency 475.141 ms 1 740 0.23 MB/sec execute 49 sec latency 188.382 ms 1 769 0.23 MB/sec execute 50 sec latency 155.219 ms 1 789 0.23 MB/sec execute 51 sec latency 350.430 ms 1 808 0.22 MB/sec execute 52 sec latency 371.676 ms test_26 fail mds1 2 times 1 857 0.22 MB/sec execute 53 sec latency 129.724 ms 1 874 0.22 MB/sec execute 54 sec latency 392.098 ms Failing mds1 on oleg109-server 1 890 0.21 MB/sec execute 55 sec latency 252.988 ms 1 910 0.21 MB/sec execute 56 sec latency 233.477 ms Stopping /mnt/lustre-mds1 (opts:) on oleg109-server 1 919 0.21 MB/sec execute 57 sec latency 377.944 ms 1 939 0.20 MB/sec execute 58 sec latency 203.270 ms 1 939 0.20 MB/sec execute 59 sec latency 1203.588 ms 1 939 0.20 MB/sec execute 60 sec latency 2204.181 ms 11:39:15 (1779205155) shut down 1 939 0.19 MB/sec execute 61 sec latency 3207.129 ms facet: mds1 facet_host: oleg109-server facet_failover_host: oleg109-server 1 939 0.19 MB/sec execute 62 sec latency 4209.856 ms 1 939 0.19 MB/sec execute 63 sec latency 5210.313 ms 1 939 0.18 MB/sec execute 64 sec latency 6210.766 ms 1 939 0.18 MB/sec execute 65 sec latency 7211.439 ms 1 939 0.18 MB/sec execute 66 sec latency 8211.680 ms 1 939 0.18 MB/sec execute 67 sec latency 9215.034 ms 1 939 0.17 MB/sec execute 68 sec latency 10215.328 ms 1 939 0.17 MB/sec execute 69 sec latency 11215.646 ms 1 939 0.17 MB/sec execute 70 sec latency 12216.614 ms 1 939 0.17 MB/sec execute 71 sec latency 13216.849 ms Failover mds1 to oleg109-server mount facets: mds1 1 939 0.16 MB/sec execute 72 sec latency 14217.047 ms 1 939 0.16 MB/sec execute 73 sec latency 15218.320 ms 1 939 0.16 MB/sec execute 74 sec latency 16219.562 ms 1 939 0.16 MB/sec execute 75 sec latency 17220.615 ms 1 939 0.16 MB/sec execute 76 sec latency 18222.451 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 939 0.15 MB/sec execute 77 sec latency 19222.765 ms 1 939 0.15 MB/sec execute 78 sec latency 20223.714 ms 1 939 0.15 MB/sec execute 79 sec latency 21224.955 ms 1 939 0.15 MB/sec execute 80 sec latency 22225.700 ms 1 939 0.15 MB/sec execute 81 sec latency 23228.294 ms 1 939 0.14 MB/sec execute 82 sec latency 24228.986 ms 1 939 0.14 MB/sec execute 83 sec latency 25229.277 ms 1 939 0.14 MB/sec execute 84 sec latency 26232.561 ms 1 939 0.14 MB/sec execute 85 sec latency 27232.929 ms 1 939 0.14 MB/sec execute 86 sec latency 28233.259 ms 1 939 0.14 MB/sec execute 87 sec latency 29233.469 ms 1 939 0.13 MB/sec execute 88 sec latency 30233.837 ms 1 939 0.13 MB/sec execute 89 sec latency 31234.227 ms 1 939 0.13 MB/sec execute 90 sec latency 32234.467 ms 1 939 0.13 MB/sec execute 91 sec latency 33234.889 ms 1 939 0.13 MB/sec execute 92 sec latency 34235.134 ms 1 939 0.13 MB/sec execute 93 sec latency 35237.248 ms oleg109-server: oleg109-server.virtnet: executing set_default_debug -1 all 1 939 0.13 MB/sec execute 94 sec latency 36238.795 ms 1 939 0.12 MB/sec execute 95 sec latency 37239.034 ms pdsh@oleg109-client: oleg109-server: ssh exited with exit code 1 1 939 0.12 MB/sec execute 96 sec latency 38239.324 ms Started lustre-MDT0000 11:39:51 (1779205191) targets are mounted 11:39:51 (1779205191) facet_failover done 1 939 0.12 MB/sec execute 97 sec latency 39239.619 ms 1 939 0.12 MB/sec execute 98 sec latency 40252.090 ms 1 939 0.12 MB/sec execute 99 sec latency 41252.895 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg109-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 96 556.957 41558.819 Close 87 502.487 41998.808 Rename 3 129.686 152.070 Unlink 8 39.977 65.010 Qpathinfo 25 30.713 114.147 Qfileinfo 54 3.824 15.886 Qfsinfo 16 6.110 29.852 Sfileinfo 15 94.867 192.535 Find 22 14.420 74.841 WriteX 258 19.116 120.216 ReadX 72 5.972 103.176 Flush 22 198.859 475.116 Throughput 0.119548 MB/sec 1 clients 1 procs max_latency=41558.921 ms stopping dbench on /mnt/lustre at Tue May 19 11:40:00 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' UUID 1K-blocks Used Available Use% Mounted on running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue May 19 11:40:12 EDT 2026 waiting for dbench pid 46660 lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3746816 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3710976 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7457792 1% /mnt/lustre 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 0 10 0.00 MB/sec warmup 1 sec latency 196.919 ms 1 49 1.01 MB/sec warmup 2 sec latency 199.276 ms 1 90 1.40 MB/sec warmup 3 sec latency 194.911 ms 1 113 1.31 MB/sec warmup 4 sec latency 299.579 ms 1 137 1.20 MB/sec warmup 5 sec latency 176.323 ms 1 158 1.09 MB/sec warmup 6 sec latency 208.122 ms test_26 fail mds1 3 times 1 184 1.05 MB/sec warmup 7 sec latency 167.512 ms 1 197 0.92 MB/sec warmup 9 sec latency 719.984 ms 1 211 0.85 MB/sec warmup 10 sec latency 906.677 ms 1 233 0.84 MB/sec warmup 11 sec latency 252.235 ms Failing mds1 on oleg109-server 1 255 0.84 MB/sec warmup 12 sec latency 216.185 ms 1 282 0.83 MB/sec warmup 13 sec latency 233.462 ms Stopping /mnt/lustre-mds1 (opts:) on oleg109-server 1 306 0.83 MB/sec warmup 14 sec latency 206.394 ms 1 315 0.79 MB/sec warmup 15 sec latency 742.553 ms 1 315 0.74 MB/sec warmup 16 sec latency 1746.315 ms 1 315 0.69 MB/sec warmup 17 sec latency 2749.884 ms 11:40:29 (1779205229) shut down facet: mds1 facet_host: oleg109-server facet_failover_host: oleg109-server 1 315 0.65 MB/sec warmup 18 sec latency 3754.861 ms 1 315 0.62 MB/sec warmup 19 sec latency 4755.868 ms 1 315 0.59 MB/sec warmup 20 sec latency 5756.172 ms 1 315 0.00 MB/sec execute 1 sec latency 7756.825 ms 1 315 0.00 MB/sec execute 2 sec latency 8757.598 ms 1 315 0.00 MB/sec execute 3 sec latency 9757.959 ms 1 315 0.00 MB/sec execute 4 sec latency 10758.987 ms 1 315 0.00 MB/sec execute 5 sec latency 11761.334 ms 1 315 0.00 MB/sec execute 6 sec latency 12761.596 ms 1 315 0.00 MB/sec execute 7 sec latency 13766.188 ms Failover mds1 to oleg109-server mount facets: mds1 1 315 0.00 MB/sec execute 8 sec latency 14769.826 ms 1 315 0.00 MB/sec execute 9 sec latency 15770.101 ms 1 315 0.00 MB/sec execute 10 sec latency 16770.383 ms 1 315 0.00 MB/sec execute 11 sec latency 17770.666 ms 1 315 0.00 MB/sec execute 12 sec latency 18770.959 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 13 sec latency 19772.033 ms 1 315 0.00 MB/sec execute 14 sec latency 20772.633 ms 1 315 0.00 MB/sec execute 15 sec latency 21773.592 ms 1 315 0.00 MB/sec execute 16 sec latency 22776.814 ms 1 315 0.00 MB/sec execute 17 sec latency 23777.152 ms 1 315 0.00 MB/sec execute 18 sec latency 24777.506 ms 1 315 0.00 MB/sec execute 19 sec latency 25777.967 ms 1 315 0.00 MB/sec execute 20 sec latency 26794.041 ms 1 315 0.00 MB/sec execute 21 sec latency 27794.442 ms 1 315 0.00 MB/sec execute 22 sec latency 28795.126 ms 1 315 0.00 MB/sec execute 23 sec latency 29796.394 ms 1 315 0.00 MB/sec execute 24 sec latency 30796.591 ms 1 315 0.00 MB/sec execute 25 sec latency 31796.914 ms 1 315 0.00 MB/sec execute 26 sec latency 32797.941 ms 1 315 0.00 MB/sec execute 27 sec latency 33798.312 ms oleg109-server: oleg109-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 28 sec latency 34806.427 ms pdsh@oleg109-client: oleg109-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 29 sec latency 35808.913 ms 1 315 0.00 MB/sec execute 30 sec latency 36813.936 ms Started lustre-MDT0000 11:41:03 (1779205263) targets are mounted 11:41:03 (1779205263) facet_failover done 1 315 0.00 MB/sec execute 31 sec latency 37818.010 ms 1 315 0.00 MB/sec execute 32 sec latency 38818.157 ms 1 315 0.00 MB/sec execute 33 sec latency 39819.913 ms 1 316 0.00 MB/sec execute 34 sec latency 40778.590 ms 1 339 0.02 MB/sec execute 35 sec latency 277.861 ms 1 365 0.04 MB/sec execute 36 sec latency 167.890 ms 1 393 0.06 MB/sec execute 37 sec latency 207.889 ms oleg109-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 417 0.08 MB/sec execute 38 sec latency 165.636 ms 1 450 0.11 MB/sec execute 39 sec latency 140.943 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 478 0.13 MB/sec execute 40 sec latency 171.591 ms 1 504 0.15 MB/sec execute 41 sec latency 156.154 ms 1 534 0.17 MB/sec execute 42 sec latency 172.547 ms 1 603 0.22 MB/sec execute 43 sec latency 136.171 ms 1 652 0.22 MB/sec execute 44 sec latency 143.481 ms 1 671 0.21 MB/sec execute 45 sec latency 271.238 ms 1 708 0.21 MB/sec execute 46 sec latency 118.014 ms 1 726 0.21 MB/sec execute 47 sec latency 254.249 ms 1 736 0.20 MB/sec execute 48 sec latency 288.525 ms 1 765 0.20 MB/sec execute 49 sec latency 218.269 ms 1 796 0.20 MB/sec execute 50 sec latency 272.703 ms 1 817 0.20 MB/sec execute 51 sec latency 133.178 ms 1 873 0.20 MB/sec execute 52 sec latency 117.047 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 885 0.19 MB/sec execute 53 sec latency 252.501 ms 1 913 0.19 MB/sec execute 54 sec latency 120.772 ms 1 934 0.19 MB/sec execute 55 sec latency 271.153 ms 1 969 0.18 MB/sec execute 56 sec latency 127.585 ms 1 984 0.18 MB/sec execute 57 sec latency 397.579 ms 1 1050 0.20 MB/sec execute 58 sec latency 155.111 ms 1 1091 0.19 MB/sec execute 59 sec latency 129.916 ms 1 1132 0.19 MB/sec execute 60 sec latency 120.132 ms 1 1162 0.19 MB/sec execute 61 sec latency 114.287 ms 1 1188 0.19 MB/sec execute 62 sec latency 137.108 ms tar: Error is not recoverable: exiting now 1 1224 0.18 MB/sec execute 63 sec latency 131.986 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue May 19 11:41:36 EDT 2026 with return code 0 46660 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46660 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished