== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:10:26 (1782760226) Starting client oleg221-client.virtnet: -o user_xattr,flock 192.168.202.121@tcp:/lustre /mnt/lustre Started clients oleg221-client.virtnet: 192.168.202.121@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 65659 Started dbench loop with 65660 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 2004 1269300 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1836 1269468 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584800 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190276 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 Jun 29 15:10:31 EDT 2026 waiting for dbench pid 65738 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 0 10 0.00 MB/sec warmup 1 sec latency 68.336 ms 1 70 1.57 MB/sec warmup 2 sec latency 131.550 ms 1 111 1.75 MB/sec warmup 3 sec latency 147.303 ms 1 137 1.50 MB/sec warmup 4 sec latency 207.442 ms 1 165 1.36 MB/sec warmup 5 sec latency 251.032 ms 1 184 1.23 MB/sec warmup 6 sec latency 230.182 ms 1 203 1.13 MB/sec warmup 7 sec latency 604.214 ms 1 243 1.15 MB/sec warmup 8 sec latency 143.405 ms 1 287 1.19 MB/sec warmup 9 sec latency 149.310 ms test_26 fail mds1 1 times 1 331 1.20 MB/sec warmup 10 sec latency 124.271 ms Failing mds1 on oleg221-server 1 369 1.19 MB/sec warmup 11 sec latency 136.776 ms Stopping /mnt/lustre-mds1 (opts:) on oleg221-server 1 421 1.23 MB/sec warmup 12 sec latency 124.276 ms 1 467 1.25 MB/sec warmup 13 sec latency 241.062 ms 1 501 1.24 MB/sec warmup 14 sec latency 302.473 ms 1 501 1.16 MB/sec warmup 15 sec latency 1303.134 ms 15:10:47 (1782760247) shut down facet: mds1 facet_host: oleg221-server facet_failover_host: oleg221-server 1 501 1.09 MB/sec warmup 16 sec latency 2303.369 ms 1 501 1.02 MB/sec warmup 17 sec latency 3303.673 ms 1 501 0.97 MB/sec warmup 18 sec latency 4303.925 ms 1 501 0.92 MB/sec warmup 19 sec latency 5305.428 ms 1 501 0.00 MB/sec execute 1 sec latency 7308.261 ms 1 501 0.00 MB/sec execute 2 sec latency 8308.644 ms 1 501 0.00 MB/sec execute 3 sec latency 9309.027 ms 1 501 0.00 MB/sec execute 4 sec latency 10309.176 ms 1 501 0.00 MB/sec execute 5 sec latency 11309.882 ms Failover mds1 to oleg221-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 12312.432 ms 1 501 0.00 MB/sec execute 7 sec latency 13314.670 ms 1 501 0.00 MB/sec execute 8 sec latency 14315.890 ms 1 501 0.00 MB/sec execute 9 sec latency 15316.122 ms 1 501 0.00 MB/sec execute 10 sec latency 16316.377 ms 1 501 0.00 MB/sec execute 11 sec latency 17316.625 ms 1 501 0.00 MB/sec execute 12 sec latency 18317.581 ms 1 501 0.00 MB/sec execute 13 sec latency 19317.870 ms 1 501 0.00 MB/sec execute 14 sec latency 20318.178 ms 1 501 0.00 MB/sec execute 15 sec latency 21323.313 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 16 sec latency 22323.641 ms 1 501 0.00 MB/sec execute 17 sec latency 23325.229 ms 1 501 0.00 MB/sec execute 18 sec latency 24327.124 ms 1 501 0.00 MB/sec execute 19 sec latency 25327.395 ms 1 501 0.00 MB/sec execute 20 sec latency 26327.713 ms 1 501 0.00 MB/sec execute 21 sec latency 27329.853 ms 1 501 0.00 MB/sec execute 22 sec latency 28330.123 ms 1 501 0.00 MB/sec execute 23 sec latency 29330.381 ms 1 501 0.00 MB/sec execute 24 sec latency 30330.758 ms 1 501 0.00 MB/sec execute 25 sec latency 31331.384 ms 1 501 0.00 MB/sec execute 26 sec latency 32331.776 ms 1 501 0.00 MB/sec execute 27 sec latency 33332.176 ms 1 501 0.00 MB/sec execute 28 sec latency 34332.692 ms 1 501 0.00 MB/sec execute 29 sec latency 35332.953 ms 1 501 0.00 MB/sec execute 30 sec latency 36333.270 ms oleg221-server: oleg221-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 31 sec latency 37333.963 ms pdsh@oleg221-client: oleg221-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 32 sec latency 38334.887 ms Started lustre-MDT0000 15:11:24 (1782760284) targets are mounted 15:11:24 (1782760284) facet_failover done 1 511 0.01 MB/sec execute 33 sec latency 39109.957 ms 1 552 0.05 MB/sec execute 34 sec latency 337.817 ms 1 616 0.10 MB/sec execute 35 sec latency 512.893 ms 1 673 0.10 MB/sec execute 36 sec latency 113.535 ms 1 709 0.10 MB/sec execute 37 sec latency 113.721 ms 1 735 0.10 MB/sec execute 38 sec latency 175.076 ms 1 769 0.10 MB/sec execute 39 sec latency 132.413 ms oleg221-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 799 0.10 MB/sec execute 40 sec latency 130.685 ms 1 845 0.10 MB/sec execute 41 sec latency 115.512 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 878 0.10 MB/sec execute 42 sec latency 100.592 ms 1 904 0.10 MB/sec execute 43 sec latency 154.377 ms 1 935 0.10 MB/sec execute 44 sec latency 114.908 ms 1 974 0.10 MB/sec execute 45 sec latency 120.711 ms 1 1020 0.11 MB/sec execute 46 sec latency 120.013 ms 1 1084 0.12 MB/sec execute 47 sec latency 67.901 ms 1 1134 0.11 MB/sec execute 48 sec latency 101.865 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2148 1269156 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1912 1269392 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 37556 3568924 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17688 3581140 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55244 7150064 1% /mnt/lustre 1 1168 0.11 MB/sec execute 49 sec latency 145.486 ms 1 1172 0.11 MB/sec execute 50 sec latency 963.458 ms 1 1193 0.11 MB/sec execute 51 sec latency 1222.461 ms 1 1225 0.11 MB/sec execute 52 sec latency 122.455 ms 1 1260 0.11 MB/sec execute 53 sec latency 94.002 ms 1 1378 0.16 MB/sec execute 54 sec latency 143.747 ms 1 1410 0.16 MB/sec execute 55 sec latency 151.098 ms 1 1428 0.15 MB/sec execute 56 sec latency 447.340 ms 1 1470 0.15 MB/sec execute 57 sec latency 101.265 ms 1 1505 0.15 MB/sec execute 58 sec latency 112.941 ms 1 1568 0.15 MB/sec execute 59 sec latency 70.805 ms test_26 fail mds2 2 times 1 1625 0.14 MB/sec execute 60 sec latency 86.480 ms 1 1667 0.14 MB/sec execute 61 sec latency 96.214 ms Failing mds2 on oleg221-server 1 1705 0.14 MB/sec execute 62 sec latency 157.159 ms Stopping /mnt/lustre-mds2 (opts:) on oleg221-server 1 1771 0.14 MB/sec execute 63 sec latency 81.305 ms 1 1781 0.14 MB/sec execute 64 sec latency 799.718 ms 1 1781 0.14 MB/sec execute 65 sec latency 1800.006 ms 15:11:57 (1782760317) shut down 1 1781 0.13 MB/sec execute 66 sec latency 2800.207 ms facet: mds2 facet_host: oleg221-server facet_failover_host: oleg221-server 1 1781 0.13 MB/sec execute 67 sec latency 3802.431 ms 1 1781 0.13 MB/sec execute 68 sec latency 4802.705 ms 1 1781 0.13 MB/sec execute 69 sec latency 5802.989 ms 1 1781 0.13 MB/sec execute 70 sec latency 6803.695 ms 1 1781 0.12 MB/sec execute 71 sec latency 7803.943 ms 1 1781 0.12 MB/sec execute 72 sec latency 8804.219 ms 1 1781 0.12 MB/sec execute 73 sec latency 9804.491 ms 1 1781 0.12 MB/sec execute 74 sec latency 10805.055 ms 1 1781 0.12 MB/sec execute 75 sec latency 11805.717 ms 1 1781 0.12 MB/sec execute 76 sec latency 12806.403 ms Failover mds2 to oleg221-server mount facets: mds2 1 1781 0.11 MB/sec execute 77 sec latency 13807.206 ms 1 1781 0.11 MB/sec execute 78 sec latency 14807.652 ms 1 1781 0.11 MB/sec execute 79 sec latency 15812.789 ms 1 1781 0.11 MB/sec execute 80 sec latency 16813.085 ms 1 1781 0.11 MB/sec execute 81 sec latency 17814.061 ms 1 1781 0.11 MB/sec execute 82 sec latency 18814.527 ms 1 1781 0.11 MB/sec execute 83 sec latency 19814.869 ms 1 1781 0.10 MB/sec execute 84 sec latency 20818.621 ms 1 1781 0.10 MB/sec execute 85 sec latency 21818.888 ms 1 1781 0.10 MB/sec execute 86 sec latency 22822.213 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1781 0.10 MB/sec execute 87 sec latency 23822.518 ms 1 1781 0.10 MB/sec execute 88 sec latency 24822.771 ms 1 1781 0.10 MB/sec execute 89 sec latency 25823.096 ms 1 1781 0.10 MB/sec execute 90 sec latency 26824.178 ms 1 1781 0.10 MB/sec execute 91 sec latency 27824.637 ms 1 1781 0.10 MB/sec execute 92 sec latency 28824.923 ms oleg221-server: oleg221-server.virtnet: executing set_default_debug -1 all 1 1781 0.09 MB/sec execute 93 sec latency 29825.220 ms pdsh@oleg221-client: oleg221-server: ssh exited with exit code 1 1 1781 0.09 MB/sec execute 94 sec latency 30825.396 ms Started lustre-MDT0001 15:12:26 (1782760346) targets are mounted 15:12:26 (1782760346) facet_failover done 1 1781 0.09 MB/sec execute 95 sec latency 31826.464 ms 1 1799 0.09 MB/sec execute 96 sec latency 32391.563 ms 1 1830 0.09 MB/sec execute 97 sec latency 132.219 ms 1 1877 0.09 MB/sec execute 98 sec latency 96.936 ms 1 1924 0.09 MB/sec execute 99 sec latency 144.464 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg221-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 258 336.168 39109.936 Close 223 15.547 447.309 Rename 11 113.821 175.052 Unlink 27 32.027 86.227 Qpathinfo 228 17.541 128.027 Qfileinfo 60 3.102 20.760 Qfsinfo 33 3.522 24.560 Sfileinfo 34 69.591 122.431 Find 75 15.683 71.801 WriteX 198 13.811 89.375 ReadX 297 0.314 20.215 Flush 30 59.550 114.891 Throughput 0.0906373 MB/sec 1 clients 1 procs max_latency=39109.957 ms stopping dbench on /mnt/lustre at Mon Jun 29 15:12:36 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2344 1268960 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2560 3604404 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20076 3573248 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22636 7177652 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 Jun 29 15:12:45 EDT 2026 waiting for dbench pid 67897 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 1 23 0.58 MB/sec warmup 1 sec latency 15.514 ms 1 74 1.56 MB/sec warmup 2 sec latency 139.732 ms 1 120 1.83 MB/sec warmup 3 sec latency 204.357 ms 1 147 1.57 MB/sec warmup 4 sec latency 135.309 ms 1 155 1.31 MB/sec warmup 5 sec latency 794.574 ms 1 155 1.09 MB/sec warmup 6 sec latency 1795.752 ms 1 182 1.04 MB/sec warmup 7 sec latency 1960.680 ms 1 197 0.98 MB/sec warmup 8 sec latency 450.439 ms 1 231 0.98 MB/sec warmup 9 sec latency 138.187 ms test_26 fail mds1 3 times 1 263 0.99 MB/sec warmup 10 sec latency 171.923 ms 1 289 0.97 MB/sec warmup 11 sec latency 188.592 ms 1 319 0.96 MB/sec warmup 12 sec latency 182.054 ms Failing mds1 on oleg221-server 1 357 0.98 MB/sec warmup 13 sec latency 118.380 ms Stopping /mnt/lustre-mds1 (opts:) on oleg221-server 1 403 1.02 MB/sec warmup 14 sec latency 104.187 ms 1 404 0.95 MB/sec warmup 15 sec latency 997.369 ms 1 404 0.89 MB/sec warmup 16 sec latency 2001.305 ms 1 404 0.84 MB/sec warmup 17 sec latency 3001.647 ms 1 404 0.80 MB/sec warmup 18 sec latency 4002.898 ms 1 404 0.75 MB/sec warmup 19 sec latency 5005.121 ms 1 404 0.00 MB/sec execute 1 sec latency 7005.530 ms 1 404 0.00 MB/sec execute 2 sec latency 8014.223 ms 15:13:07 (1782760387) shut down facet: mds1 facet_host: oleg221-server facet_failover_host: oleg221-server 1 404 0.00 MB/sec execute 3 sec latency 9014.469 ms 1 404 0.00 MB/sec execute 4 sec latency 10014.728 ms 1 404 0.00 MB/sec execute 5 sec latency 11015.003 ms 1 404 0.00 MB/sec execute 6 sec latency 12019.137 ms 1 404 0.00 MB/sec execute 7 sec latency 13019.344 ms 1 404 0.00 MB/sec execute 8 sec latency 14019.619 ms 1 404 0.00 MB/sec execute 9 sec latency 15020.482 ms 1 404 0.00 MB/sec execute 10 sec latency 16021.636 ms 1 404 0.00 MB/sec execute 11 sec latency 17022.313 ms 1 404 0.00 MB/sec execute 12 sec latency 18022.759 ms 1 404 0.00 MB/sec execute 13 sec latency 19025.854 ms Failover mds1 to oleg221-server mount facets: mds1 1 404 0.00 MB/sec execute 14 sec latency 20028.048 ms 1 404 0.00 MB/sec execute 15 sec latency 21030.405 ms 1 404 0.00 MB/sec execute 16 sec latency 22030.678 ms 1 404 0.00 MB/sec execute 17 sec latency 23030.932 ms 1 404 0.00 MB/sec execute 18 sec latency 24031.528 ms 1 404 0.00 MB/sec execute 19 sec latency 25031.802 ms 1 404 0.00 MB/sec execute 20 sec latency 26031.985 ms 1 404 0.00 MB/sec execute 21 sec latency 27032.221 ms 1 404 0.00 MB/sec execute 22 sec latency 28032.596 ms 1 404 0.00 MB/sec execute 23 sec latency 29035.554 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 404 0.00 MB/sec execute 24 sec latency 30037.026 ms 1 404 0.00 MB/sec execute 25 sec latency 31037.293 ms 1 404 0.00 MB/sec execute 26 sec latency 32037.651 ms 1 404 0.00 MB/sec execute 27 sec latency 33037.912 ms 1 404 0.00 MB/sec execute 28 sec latency 34038.690 ms 1 404 0.00 MB/sec execute 29 sec latency 35038.884 ms 1 404 0.00 MB/sec execute 30 sec latency 36039.142 ms 1 404 0.00 MB/sec execute 31 sec latency 37039.354 ms 1 404 0.00 MB/sec execute 32 sec latency 38039.689 ms 1 404 0.00 MB/sec execute 33 sec latency 39039.980 ms oleg221-server: oleg221-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 34 sec latency 40041.308 ms pdsh@oleg221-client: oleg221-server: ssh exited with exit code 1 1 404 0.00 MB/sec execute 35 sec latency 41041.702 ms 1 421 0.01 MB/sec execute 36 sec latency 41434.651 ms Started lustre-MDT0000 15:13:42 (1782760422) targets are mounted 15:13:42 (1782760422) facet_failover done 1 445 0.04 MB/sec execute 37 sec latency 194.645 ms 1 477 0.06 MB/sec execute 38 sec latency 134.839 ms 1 508 0.08 MB/sec execute 39 sec latency 177.330 ms 1 531 0.10 MB/sec execute 40 sec latency 287.748 ms 1 593 0.15 MB/sec execute 41 sec latency 137.194 ms 1 636 0.16 MB/sec execute 42 sec latency 140.601 ms 1 661 0.16 MB/sec execute 43 sec latency 127.732 ms 1 682 0.16 MB/sec execute 44 sec latency 225.772 ms 1 703 0.15 MB/sec execute 45 sec latency 213.357 ms 1 726 0.15 MB/sec execute 46 sec latency 155.922 ms oleg221-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 759 0.15 MB/sec execute 47 sec latency 143.230 ms 1 781 0.15 MB/sec execute 48 sec latency 151.764 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 808 0.15 MB/sec execute 49 sec latency 151.406 ms 1 849 0.14 MB/sec execute 50 sec latency 134.639 ms 1 878 0.14 MB/sec execute 51 sec latency 195.005 ms 1 885 0.14 MB/sec execute 52 sec latency 671.440 ms 1 910 0.14 MB/sec execute 53 sec latency 254.860 ms 1 952 0.14 MB/sec execute 54 sec latency 104.073 ms 1 993 0.14 MB/sec execute 55 sec latency 98.577 ms 1 1064 0.15 MB/sec execute 56 sec latency 80.905 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1126 0.15 MB/sec execute 57 sec latency 84.572 ms 1 1155 0.15 MB/sec execute 58 sec latency 140.248 ms 1 1200 0.15 MB/sec execute 59 sec latency 90.610 ms 1 1242 0.15 MB/sec execute 60 sec latency 121.225 ms 1 1285 0.14 MB/sec execute 61 sec latency 84.550 ms 1 1405 0.19 MB/sec execute 62 sec latency 147.438 ms 1 1450 0.18 MB/sec execute 63 sec latency 101.092 ms 1 1481 0.18 MB/sec execute 64 sec latency 350.551 ms 1 1512 0.18 MB/sec execute 65 sec latency 195.276 ms 1 1564 0.18 MB/sec execute 66 sec latency 70.152 ms 1 1625 0.18 MB/sec execute 67 sec latency 154.764 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jun 29 15:14:12 EDT 2026 with return code 0 67897 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67897 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished