== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:30:44 (1763339444) Starting client oleg356-client.virtnet: -o user_xattr,flock 192.168.203.156@tcp:/lustre /mnt/lustre Started clients oleg356-client.virtnet: 192.168.203.156@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 65076 Started dbench loop with 65077 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 Sun Nov 16 19:30:48 EST 2025 waiting for dbench pid 65126 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26140 3579744 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185220 1% /mnt/lustre 1 32 1.05 MB/sec warmup 1 sec latency 75.258 ms 1 121 2.75 MB/sec warmup 2 sec latency 114.789 ms 1 165 2.27 MB/sec warmup 3 sec latency 125.178 ms 1 197 1.96 MB/sec warmup 4 sec latency 297.735 ms 1 247 1.88 MB/sec warmup 5 sec latency 87.744 ms 1 305 1.87 MB/sec warmup 6 sec latency 97.818 ms 1 350 1.79 MB/sec warmup 7 sec latency 112.262 ms test_26 fail mds1 1 times 1 406 1.79 MB/sec warmup 8 sec latency 110.426 ms 1 454 1.76 MB/sec warmup 9 sec latency 94.883 ms Failing mds1 on oleg356-server Stopping /mnt/lustre-mds1 (opts:) on oleg356-server 1 503 1.74 MB/sec warmup 10 sec latency 122.291 ms 1 584 1.81 MB/sec warmup 11 sec latency 128.134 ms 1 606 1.74 MB/sec warmup 12 sec latency 746.628 ms 1 606 1.61 MB/sec warmup 13 sec latency 1757.614 ms 1 606 1.49 MB/sec warmup 14 sec latency 2757.867 ms 19:31:03 (1763339463) shut down facet: mds1 facet_host: oleg356-server facet_failover_host: oleg356-server 1 606 1.39 MB/sec warmup 15 sec latency 3759.775 ms 1 606 1.31 MB/sec warmup 16 sec latency 4760.535 ms 1 606 1.23 MB/sec warmup 17 sec latency 5760.782 ms 1 606 1.16 MB/sec warmup 18 sec latency 6761.168 ms 1 606 1.10 MB/sec warmup 19 sec latency 7762.533 ms 1 606 0.00 MB/sec execute 1 sec latency 9762.927 ms 1 606 0.00 MB/sec execute 2 sec latency 10763.148 ms 1 606 0.00 MB/sec execute 3 sec latency 11763.721 ms 1 606 0.00 MB/sec execute 4 sec latency 12763.941 ms Failover mds1 to oleg356-server mount facets: mds1 1 606 0.00 MB/sec execute 5 sec latency 13768.623 ms 1 606 0.00 MB/sec execute 6 sec latency 14768.918 ms 1 606 0.00 MB/sec execute 7 sec latency 15769.081 ms 1 606 0.00 MB/sec execute 8 sec latency 16769.388 ms 1 606 0.00 MB/sec execute 9 sec latency 17769.801 ms 1 606 0.00 MB/sec execute 10 sec latency 18771.898 ms 1 606 0.00 MB/sec execute 11 sec latency 19772.152 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 12 sec latency 20777.987 ms 1 606 0.00 MB/sec execute 13 sec latency 21778.199 ms 1 606 0.00 MB/sec execute 14 sec latency 22778.524 ms 1 606 0.00 MB/sec execute 15 sec latency 23778.740 ms 1 606 0.00 MB/sec execute 16 sec latency 24780.578 ms 1 606 0.00 MB/sec execute 17 sec latency 25783.118 ms 1 606 0.00 MB/sec execute 18 sec latency 26783.292 ms 1 606 0.00 MB/sec execute 19 sec latency 27784.415 ms 1 606 0.00 MB/sec execute 20 sec latency 28786.410 ms 1 606 0.00 MB/sec execute 21 sec latency 29786.616 ms 1 606 0.00 MB/sec execute 22 sec latency 30789.564 ms 1 606 0.00 MB/sec execute 23 sec latency 31791.480 ms oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 24 sec latency 32791.715 ms pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 25 sec latency 33791.900 ms Started lustre-MDT0000 19:31:34 (1763339494) targets are mounted 19:31:34 (1763339494) facet_failover done 1 606 0.00 MB/sec execute 26 sec latency 34792.076 ms 1 606 0.00 MB/sec execute 27 sec latency 35792.261 ms 1 606 0.00 MB/sec execute 28 sec latency 36799.203 ms 1 664 0.01 MB/sec execute 29 sec latency 36806.216 ms oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 708 0.01 MB/sec execute 30 sec latency 83.305 ms 1 747 0.01 MB/sec execute 31 sec latency 79.358 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.02 MB/sec execute 32 sec latency 92.639 ms 1 825 0.02 MB/sec execute 33 sec latency 144.446 ms 1 878 0.02 MB/sec execute 34 sec latency 125.930 ms 1 884 0.02 MB/sec execute 35 sec latency 885.264 ms 1 902 0.02 MB/sec execute 36 sec latency 1227.986 ms 1 938 0.02 MB/sec execute 37 sec latency 124.809 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2088 1269216 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1860 1269444 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 42020 3560536 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12936 3593944 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54956 7154480 1% /mnt/lustre 1 977 0.02 MB/sec execute 38 sec latency 134.892 ms 1 1007 0.03 MB/sec execute 39 sec latency 169.079 ms 1 1074 0.05 MB/sec execute 40 sec latency 80.117 ms 1 1124 0.05 MB/sec execute 41 sec latency 98.646 ms 1 1161 0.05 MB/sec execute 42 sec latency 118.107 ms 1 1202 0.05 MB/sec execute 43 sec latency 78.688 ms 1 1246 0.05 MB/sec execute 44 sec latency 118.413 ms 1 1380 0.11 MB/sec execute 45 sec latency 105.936 ms 1 1426 0.11 MB/sec execute 46 sec latency 106.187 ms 1 1470 0.11 MB/sec execute 47 sec latency 267.438 ms test_26 fail mds2 2 times 1 1506 0.11 MB/sec execute 48 sec latency 119.842 ms 1 1556 0.10 MB/sec execute 49 sec latency 95.020 ms Failing mds2 on oleg356-server Stopping /mnt/lustre-mds2 (opts:) on oleg356-server 1 1603 0.10 MB/sec execute 50 sec latency 85.361 ms 1 1646 0.10 MB/sec execute 51 sec latency 100.577 ms 1 1692 0.10 MB/sec execute 52 sec latency 108.219 ms 1 1779 0.10 MB/sec execute 53 sec latency 84.539 ms 1 1861 0.10 MB/sec execute 54 sec latency 57.128 ms 1 1954 0.10 MB/sec execute 55 sec latency 64.204 ms 1 2032 0.10 MB/sec execute 56 sec latency 73.792 ms 1 2141 0.10 MB/sec execute 57 sec latency 50.524 ms 1 2212 0.10 MB/sec execute 58 sec latency 57.290 ms 19:32:07 (1763339527) shut down facet: mds2 facet_host: oleg356-server facet_failover_host: oleg356-server 1 2259 0.10 MB/sec execute 59 sec latency 715.613 ms 1 2259 0.10 MB/sec execute 60 sec latency 1717.707 ms 1 2259 0.10 MB/sec execute 61 sec latency 2719.154 ms 1 2259 0.09 MB/sec execute 62 sec latency 3719.367 ms 1 2259 0.09 MB/sec execute 63 sec latency 4721.451 ms 1 2259 0.09 MB/sec execute 64 sec latency 5721.685 ms 1 2259 0.09 MB/sec execute 65 sec latency 6721.920 ms 1 2259 0.09 MB/sec execute 66 sec latency 7722.136 ms 1 2259 0.09 MB/sec execute 67 sec latency 8722.653 ms 1 2259 0.09 MB/sec execute 68 sec latency 9724.672 ms Failover mds2 to oleg356-server mount facets: mds2 1 2259 0.08 MB/sec execute 69 sec latency 10725.039 ms 1 2259 0.08 MB/sec execute 70 sec latency 11725.291 ms 1 2259 0.08 MB/sec execute 71 sec latency 12725.521 ms 1 2259 0.08 MB/sec execute 72 sec latency 13726.507 ms 1 2259 0.08 MB/sec execute 73 sec latency 14727.100 ms 1 2259 0.08 MB/sec execute 74 sec latency 15728.042 ms 1 2259 0.08 MB/sec execute 75 sec latency 16729.311 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.08 MB/sec execute 76 sec latency 17730.643 ms 1 2259 0.08 MB/sec execute 77 sec latency 18732.203 ms 1 2259 0.07 MB/sec execute 78 sec latency 19732.460 ms 1 2259 0.07 MB/sec execute 79 sec latency 20732.672 ms oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 2259 0.07 MB/sec execute 80 sec latency 21732.898 ms pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 1 2259 0.07 MB/sec execute 81 sec latency 22733.233 ms Started lustre-MDT0001 19:32:30 (1763339550) targets are mounted 19:32:30 (1763339550) facet_failover done 1 2259 0.07 MB/sec execute 82 sec latency 23733.483 ms 1 2259 0.07 MB/sec execute 83 sec latency 24737.833 ms 1 2292 0.08 MB/sec execute 84 sec latency 25471.441 ms 1 2354 0.08 MB/sec execute 85 sec latency 82.266 ms oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2399 0.08 MB/sec execute 86 sec latency 92.726 ms 1 2442 0.08 MB/sec execute 87 sec latency 112.677 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2489 0.09 MB/sec execute 88 sec latency 83.169 ms 1 2572 0.09 MB/sec execute 89 sec latency 97.159 ms 1 2633 0.09 MB/sec execute 90 sec latency 124.062 ms 1 2784 0.12 MB/sec execute 91 sec latency 79.019 ms 1 2918 0.14 MB/sec execute 92 sec latency 117.815 ms 1 2987 0.13 MB/sec execute 93 sec latency 131.600 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2372 1268932 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 51344 3545656 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13088 3591152 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 64432 7136808 1% /mnt/lustre 1 3025 0.13 MB/sec execute 94 sec latency 97.254 ms 1 3212 0.14 MB/sec execute 95 sec latency 107.126 ms 1 3313 0.15 MB/sec execute 96 sec latency 128.427 ms 1 3373 0.15 MB/sec execute 97 sec latency 75.019 ms 1 3509 0.18 MB/sec execute 98 sec latency 98.589 ms 1 3584 0.18 MB/sec execute 99 sec latency 63.500 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec test_26 fail mds1 3 times 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 458 98.136 25471.422 Close 381 10.152 38.102 Rename 24 85.142 134.859 Unlink 57 23.969 47.062 Qpathinfo 453 96.153 36806.196 Qfileinfo 94 1.626 16.996 Qfsinfo 85 3.143 31.961 Sfileinfo 50 55.093 125.910 Find 189 9.905 47.840 WriteX 273 10.835 119.826 ReadX 929 1.330 75.448 LockX 2 17.434 18.330 UnlockX 2 14.773 21.853 Flush 43 53.787 169.061 Throughput 0.176095 MB/sec 1 clients 1 procs max_latency=36806.216 ms stopping dbench on /mnt/lustre at Sun Nov 16 19:32:52 EST 2025 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg356-server Stopping /mnt/lustre-mds1 (opts:) on oleg356-server striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench 19:33:03 (1763339583) shut down facet: mds1 facet_host: oleg356-server facet_failover_host: oleg356-server Failover mds1 to oleg356-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 Started lustre-MDT0000 19:33:33 (1763339613) targets are mounted 19:33:33 (1763339613) facet_failover done looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 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 Sun Nov 16 19:33:42 EST 2025 waiting for dbench pid 68119 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 0 10 0.00 MB/sec warmup 1 sec latency 40.257 ms 1 58 1.18 MB/sec warmup 2 sec latency 109.957 ms 1 114 1.74 MB/sec warmup 3 sec latency 140.611 ms 1 155 1.63 MB/sec warmup 4 sec latency 186.266 ms 1 184 1.48 MB/sec warmup 5 sec latency 245.948 ms 1 212 1.37 MB/sec warmup 6 sec latency 428.569 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2664 1268640 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 47252 3559572 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2436 3604556 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49688 7164128 1% /mnt/lustre 1 247 1.34 MB/sec warmup 7 sec latency 138.496 ms 1 287 1.34 MB/sec warmup 8 sec latency 107.481 ms 1 324 1.30 MB/sec warmup 9 sec latency 129.117 ms 1 365 1.30 MB/sec warmup 10 sec latency 122.838 ms 1 399 1.28 MB/sec warmup 11 sec latency 126.764 ms 1 441 1.29 MB/sec warmup 12 sec latency 110.802 ms 1 490 1.31 MB/sec warmup 13 sec latency 99.796 ms 1 537 1.34 MB/sec warmup 14 sec latency 126.213 ms 1 639 1.40 MB/sec warmup 15 sec latency 92.222 ms test_26 fail mds2 4 times 1 695 1.32 MB/sec warmup 16 sec latency 79.136 ms 1 726 1.25 MB/sec warmup 17 sec latency 156.583 ms Failing mds2 on oleg356-server 1 765 1.18 MB/sec warmup 18 sec latency 107.938 ms Stopping /mnt/lustre-mds2 (opts:) on oleg356-server 1 799 1.13 MB/sec warmup 19 sec latency 106.214 ms 1 884 0.10 MB/sec execute 1 sec latency 358.132 ms 1 914 0.10 MB/sec execute 2 sec latency 751.502 ms 1 969 0.08 MB/sec execute 3 sec latency 75.013 ms 1 995 0.08 MB/sec execute 4 sec latency 382.042 ms 1 995 0.07 MB/sec execute 5 sec latency 1383.421 ms 1 995 0.06 MB/sec execute 6 sec latency 2385.505 ms 1 995 0.05 MB/sec execute 7 sec latency 3385.993 ms 19:34:10 (1763339650) shut down facet: mds2 facet_host: oleg356-server facet_failover_host: oleg356-server 1 995 0.04 MB/sec execute 8 sec latency 4387.976 ms 1 995 0.04 MB/sec execute 9 sec latency 5395.263 ms 1 995 0.03 MB/sec execute 10 sec latency 6395.476 ms 1 995 0.03 MB/sec execute 11 sec latency 7395.699 ms 1 995 0.03 MB/sec execute 12 sec latency 8396.120 ms 1 995 0.03 MB/sec execute 13 sec latency 9400.251 ms 1 995 0.02 MB/sec execute 14 sec latency 10400.454 ms 1 995 0.02 MB/sec execute 15 sec latency 11400.671 ms 1 995 0.02 MB/sec execute 16 sec latency 12401.619 ms 1 995 0.02 MB/sec execute 17 sec latency 13401.852 ms Failover mds2 to oleg356-server mount facets: mds2 1 995 0.02 MB/sec execute 18 sec latency 14402.137 ms 1 995 0.02 MB/sec execute 19 sec latency 15402.376 ms 1 995 0.02 MB/sec execute 20 sec latency 16402.590 ms 1 995 0.02 MB/sec execute 21 sec latency 17404.028 ms 1 995 0.02 MB/sec execute 22 sec latency 18404.272 ms 1 995 0.01 MB/sec execute 23 sec latency 19404.517 ms 1 995 0.01 MB/sec execute 24 sec latency 20404.728 ms 1 995 0.01 MB/sec execute 25 sec latency 21405.057 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 26 sec latency 22408.633 ms 1 995 0.01 MB/sec execute 27 sec latency 23420.276 ms 1 995 0.01 MB/sec execute 28 sec latency 24420.498 ms 1 995 0.01 MB/sec execute 29 sec latency 25420.739 ms oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 995 0.01 MB/sec execute 30 sec latency 26421.297 ms pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 Started lustre-MDT0001 19:34:33 (1763339673) targets are mounted 19:34:33 (1763339673) facet_failover done 1 995 0.01 MB/sec execute 31 sec latency 27421.744 ms 1 995 0.01 MB/sec execute 32 sec latency 28421.885 ms 1 995 0.01 MB/sec execute 33 sec latency 29425.613 ms 1 1009 0.02 MB/sec execute 34 sec latency 29970.163 ms 1 1079 0.04 MB/sec execute 35 sec latency 132.602 ms oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1155 0.04 MB/sec execute 36 sec latency 63.051 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1224 0.04 MB/sec execute 37 sec latency 52.594 ms 1 1274 0.04 MB/sec execute 38 sec latency 106.627 ms 1 1426 0.11 MB/sec execute 39 sec latency 61.763 ms 1 1486 0.11 MB/sec execute 40 sec latency 187.284 ms 1 1560 0.11 MB/sec execute 41 sec latency 51.012 ms 1 1647 0.11 MB/sec execute 42 sec latency 74.971 ms 1 1699 0.11 MB/sec execute 43 sec latency 74.249 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1789 0.11 MB/sec execute 44 sec latency 86.346 ms 1 1861 0.11 MB/sec execute 45 sec latency 76.115 ms 1 1945 0.11 MB/sec execute 46 sec latency 66.583 ms 1 2002 0.10 MB/sec execute 47 sec latency 91.241 ms 1 2090 0.11 MB/sec execute 48 sec latency 56.914 ms 1 2158 0.10 MB/sec execute 49 sec latency 79.431 ms 1 2212 0.10 MB/sec execute 50 sec latency 93.755 ms 1 2345 0.12 MB/sec execute 51 sec latency 69.409 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Nov 16 19:34:54 EST 2025 with return code 0 1 2399 0.12 MB/sec execute 52 sec latency 83.714 ms 68119 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68119 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished