== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:54:48 (1789502088) Starting client oleg114-client.virtnet: -o user_xattr,flock 192.168.201.114@tcp:/lustre /mnt/lustre Started clients oleg114-client.virtnet: 192.168.201.114@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nosync_on_close,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65685 Started dbench loop with 65686 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3584896 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190352 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 Sep 15 15:54:55 EDT 2026 waiting for dbench pid 65764 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 8 0.00 MB/sec warmup 1 sec latency 161.037 ms 1 37 0.62 MB/sec warmup 2 sec latency 183.777 ms 1 84 1.26 MB/sec warmup 3 sec latency 144.590 ms 1 121 1.37 MB/sec warmup 4 sec latency 164.952 ms 1 155 1.30 MB/sec warmup 5 sec latency 169.103 ms 1 180 1.21 MB/sec warmup 6 sec latency 228.099 ms 1 197 1.11 MB/sec warmup 7 sec latency 464.892 ms 1 234 1.11 MB/sec warmup 8 sec latency 142.396 ms test_26 fail mds1 1 times 1 271 1.13 MB/sec warmup 9 sec latency 148.581 ms 1 305 1.12 MB/sec warmup 10 sec latency 149.583 ms Failing mds1 on oleg114-server 1 339 1.11 MB/sec warmup 11 sec latency 123.578 ms 1 365 1.08 MB/sec warmup 12 sec latency 173.674 ms Stopping /mnt/lustre-mds1 (opts:) on oleg114-server 1 406 1.10 MB/sec warmup 13 sec latency 159.522 ms 1 453 1.13 MB/sec warmup 14 sec latency 137.192 ms 1 494 1.14 MB/sec warmup 15 sec latency 125.260 ms 1 501 1.09 MB/sec warmup 16 sec latency 933.502 ms 15:55:12 (1789502112) shut down facet: mds1 facet_host: oleg114-server facet_failover_host: oleg114-server 1 501 1.02 MB/sec warmup 17 sec latency 1934.434 ms 1 501 0.97 MB/sec warmup 18 sec latency 2935.164 ms 1 501 0.92 MB/sec warmup 19 sec latency 3935.377 ms 1 501 0.00 MB/sec execute 1 sec latency 5937.193 ms 1 501 0.00 MB/sec execute 2 sec latency 6937.998 ms 1 501 0.00 MB/sec execute 3 sec latency 7939.457 ms 1 501 0.00 MB/sec execute 4 sec latency 8942.145 ms 1 501 0.00 MB/sec execute 5 sec latency 9943.465 ms 1 501 0.00 MB/sec execute 6 sec latency 10943.690 ms Failover mds1 to oleg114-server mount facets: mds1 1 501 0.00 MB/sec execute 7 sec latency 11943.934 ms 1 501 0.00 MB/sec execute 8 sec latency 12944.191 ms 1 501 0.00 MB/sec execute 9 sec latency 13944.353 ms 1 501 0.00 MB/sec execute 10 sec latency 14944.646 ms 1 501 0.00 MB/sec execute 11 sec latency 15944.852 ms 1 501 0.00 MB/sec execute 12 sec latency 16945.005 ms 1 501 0.00 MB/sec execute 13 sec latency 17945.311 ms 1 501 0.00 MB/sec execute 14 sec latency 18945.587 ms 1 501 0.00 MB/sec execute 15 sec latency 19945.892 ms 1 501 0.00 MB/sec execute 16 sec latency 20946.187 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 21946.343 ms 1 501 0.00 MB/sec execute 18 sec latency 22947.921 ms 1 501 0.00 MB/sec execute 19 sec latency 23948.227 ms 1 501 0.00 MB/sec execute 20 sec latency 24950.287 ms 1 501 0.00 MB/sec execute 21 sec latency 25950.511 ms 1 501 0.00 MB/sec execute 22 sec latency 26953.151 ms 1 501 0.00 MB/sec execute 23 sec latency 27953.305 ms 1 501 0.00 MB/sec execute 24 sec latency 28953.568 ms 1 501 0.00 MB/sec execute 25 sec latency 29955.553 ms 1 501 0.00 MB/sec execute 26 sec latency 30955.980 ms 1 501 0.00 MB/sec execute 27 sec latency 31956.331 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 28 sec latency 32959.849 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 29 sec latency 33972.523 ms Started lustre-MDT0000 15:55:46 (1789502146) targets are mounted 1 519 0.02 MB/sec execute 30 sec latency 34328.773 ms 15:55:46 (1789502146) facet_failover done 1 552 0.05 MB/sec execute 31 sec latency 430.482 ms 1 609 0.11 MB/sec execute 32 sec latency 743.402 ms 1 669 0.11 MB/sec execute 33 sec latency 139.408 ms 1 699 0.11 MB/sec execute 34 sec latency 148.839 ms 1 726 0.11 MB/sec execute 35 sec latency 155.842 ms 1 759 0.11 MB/sec execute 36 sec latency 164.499 ms 1 781 0.11 MB/sec execute 37 sec latency 157.864 ms oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 808 0.11 MB/sec execute 38 sec latency 138.472 ms 1 856 0.11 MB/sec execute 39 sec latency 110.597 ms 1 885 0.10 MB/sec execute 40 sec latency 111.034 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 913 0.10 MB/sec execute 41 sec latency 132.351 ms 1 940 0.10 MB/sec execute 42 sec latency 118.886 ms 1 970 0.10 MB/sec execute 43 sec latency 163.417 ms 1 1028 0.12 MB/sec execute 44 sec latency 92.512 ms 1 1082 0.12 MB/sec execute 45 sec latency 113.266 ms 1 1132 0.12 MB/sec execute 46 sec latency 106.261 ms 1 1172 0.12 MB/sec execute 47 sec latency 182.677 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2152 1269152 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13208 3591564 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 42112 3562948 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55320 7154512 1% /mnt/lustre 1 1177 0.12 MB/sec execute 48 sec latency 895.212 ms 1 1226 0.11 MB/sec execute 49 sec latency 101.876 ms 1 1263 0.11 MB/sec execute 50 sec latency 115.530 ms 1 1398 0.17 MB/sec execute 51 sec latency 115.183 ms 1 1426 0.16 MB/sec execute 52 sec latency 113.386 ms 1 1467 0.16 MB/sec execute 53 sec latency 157.617 ms 1 1481 0.16 MB/sec execute 54 sec latency 661.766 ms 1 1486 0.16 MB/sec execute 55 sec latency 1549.546 ms 1 1523 0.15 MB/sec execute 56 sec latency 123.529 ms 1 1580 0.15 MB/sec execute 57 sec latency 82.530 ms 1 1618 0.15 MB/sec execute 58 sec latency 142.047 ms test_26 fail mds2 2 times 1 1653 0.15 MB/sec execute 59 sec latency 131.128 ms 1 1686 0.15 MB/sec execute 60 sec latency 118.135 ms Failing mds2 on oleg114-server 1 1727 0.14 MB/sec execute 61 sec latency 142.408 ms Stopping /mnt/lustre-mds2 (opts:) on oleg114-server 1 1775 0.14 MB/sec execute 62 sec latency 126.258 ms 1 1816 0.14 MB/sec execute 63 sec latency 309.448 ms 1 1816 0.14 MB/sec execute 64 sec latency 1309.605 ms 1 1816 0.14 MB/sec execute 65 sec latency 2310.365 ms 15:56:22 (1789502182) shut down 1 1816 0.13 MB/sec execute 66 sec latency 3310.526 ms facet: mds2 facet_host: oleg114-server facet_failover_host: oleg114-server 1 1816 0.13 MB/sec execute 67 sec latency 4310.744 ms 1 1816 0.13 MB/sec execute 68 sec latency 5310.921 ms 1 1816 0.13 MB/sec execute 69 sec latency 6311.186 ms 1 1816 0.13 MB/sec execute 70 sec latency 7320.776 ms 1 1816 0.12 MB/sec execute 71 sec latency 8321.104 ms 1 1816 0.12 MB/sec execute 72 sec latency 9321.571 ms 1 1816 0.12 MB/sec execute 73 sec latency 10321.873 ms 1 1816 0.12 MB/sec execute 74 sec latency 11324.464 ms 1 1816 0.12 MB/sec execute 75 sec latency 12324.685 ms 1 1816 0.12 MB/sec execute 76 sec latency 13324.853 ms Failover mds2 to oleg114-server mount facets: mds2 1 1816 0.12 MB/sec execute 77 sec latency 14325.222 ms 1 1816 0.11 MB/sec execute 78 sec latency 15325.498 ms 1 1816 0.11 MB/sec execute 79 sec latency 16332.848 ms 1 1816 0.11 MB/sec execute 80 sec latency 17334.399 ms 1 1816 0.11 MB/sec execute 81 sec latency 18335.183 ms 1 1816 0.11 MB/sec execute 82 sec latency 19336.400 ms 1 1816 0.11 MB/sec execute 83 sec latency 20344.449 ms 1 1816 0.11 MB/sec execute 84 sec latency 21350.769 ms 1 1816 0.10 MB/sec execute 85 sec latency 22351.050 ms 1 1816 0.10 MB/sec execute 86 sec latency 23353.165 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1816 0.10 MB/sec execute 87 sec latency 24353.611 ms 1 1816 0.10 MB/sec execute 88 sec latency 25354.272 ms 1 1816 0.10 MB/sec execute 89 sec latency 26356.562 ms 1 1816 0.10 MB/sec execute 90 sec latency 27369.860 ms 1 1816 0.10 MB/sec execute 91 sec latency 28377.538 ms 1 1816 0.10 MB/sec execute 92 sec latency 29378.404 ms 1 1816 0.10 MB/sec execute 93 sec latency 30378.695 ms 1 1816 0.09 MB/sec execute 94 sec latency 31379.121 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 1816 0.09 MB/sec execute 95 sec latency 32380.171 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 1816 0.09 MB/sec execute 96 sec latency 33386.178 ms Started lustre-MDT0001 15:56:52 (1789502212) targets are mounted 15:56:52 (1789502212) facet_failover done 1 1825 0.09 MB/sec execute 97 sec latency 34035.479 ms 1 1857 0.09 MB/sec execute 98 sec latency 139.013 ms 1 1902 0.09 MB/sec execute 99 sec latency 131.689 ms 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 256 198.292 34328.752 Close 220 15.038 53.667 Rename 11 96.862 157.836 Unlink 25 31.810 58.180 Qpathinfo 218 174.420 34035.443 Qfileinfo 59 2.638 17.768 Qfsinfo 33 4.661 26.437 Sfileinfo 34 60.677 95.580 Find 75 14.167 63.605 WriteX 198 13.832 60.996 ReadX 297 0.302 30.919 Flush 30 109.336 1549.522 Throughput 0.0903471 MB/sec 1 clients 1 procs max_latency=34328.773 ms stopping dbench on /mnt/lustre at Tue Sep 15 15:57:00 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush /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 Tue Sep 15 15:57:08 EDT 2026 waiting for dbench pid 67895 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2324 1268980 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 23088 3577864 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17504 3586632 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 40592 7164496 1% /mnt/lustre 0 10 0.00 MB/sec warmup 1 sec latency 81.133 ms 1 84 1.90 MB/sec warmup 2 sec latency 107.818 ms 1 121 1.83 MB/sec warmup 3 sec latency 181.736 ms 1 153 1.62 MB/sec warmup 4 sec latency 143.059 ms 1 184 1.48 MB/sec warmup 5 sec latency 154.916 ms 1 200 1.31 MB/sec warmup 6 sec latency 271.630 ms 1 229 1.26 MB/sec warmup 7 sec latency 202.399 ms 1 276 1.29 MB/sec warmup 8 sec latency 121.164 ms 1 304 1.24 MB/sec warmup 9 sec latency 162.108 ms 1 331 1.20 MB/sec warmup 10 sec latency 201.519 ms 1 365 1.18 MB/sec warmup 11 sec latency 126.995 ms test_26 fail mds1 3 times 1 397 1.17 MB/sec warmup 12 sec latency 162.363 ms 1 429 1.16 MB/sec warmup 13 sec latency 133.162 ms Failing mds1 on oleg114-server 1 461 1.15 MB/sec warmup 14 sec latency 139.570 ms Stopping /mnt/lustre-mds1 (opts:) on oleg114-server 1 493 1.14 MB/sec warmup 15 sec latency 166.861 ms 1 514 1.11 MB/sec warmup 16 sec latency 190.862 ms 1 590 1.19 MB/sec warmup 17 sec latency 131.004 ms 1 606 1.16 MB/sec warmup 18 sec latency 701.601 ms 15:57:27 (1789502247) shut down 1 606 1.10 MB/sec warmup 19 sec latency 1713.191 ms facet: mds1 facet_host: oleg114-server facet_failover_host: oleg114-server 1 606 0.00 MB/sec execute 1 sec latency 3713.689 ms 1 606 0.00 MB/sec execute 2 sec latency 4714.413 ms 1 606 0.00 MB/sec execute 3 sec latency 5714.791 ms 1 606 0.00 MB/sec execute 4 sec latency 6716.067 ms 1 606 0.00 MB/sec execute 5 sec latency 7716.333 ms 1 606 0.00 MB/sec execute 6 sec latency 8716.615 ms 1 606 0.00 MB/sec execute 7 sec latency 9718.727 ms 1 606 0.00 MB/sec execute 8 sec latency 10719.670 ms 1 606 0.00 MB/sec execute 9 sec latency 11720.732 ms Failover mds1 to oleg114-server mount facets: mds1 1 606 0.00 MB/sec execute 10 sec latency 12721.791 ms 1 606 0.00 MB/sec execute 11 sec latency 13722.151 ms 1 606 0.00 MB/sec execute 12 sec latency 14722.645 ms 1 606 0.00 MB/sec execute 13 sec latency 15723.021 ms 1 606 0.00 MB/sec execute 14 sec latency 16723.275 ms 1 606 0.00 MB/sec execute 15 sec latency 17723.595 ms 1 606 0.00 MB/sec execute 16 sec latency 18723.971 ms 1 606 0.00 MB/sec execute 17 sec latency 19724.206 ms 1 606 0.00 MB/sec execute 18 sec latency 20724.973 ms 1 606 0.00 MB/sec execute 19 sec latency 21725.155 ms 1 606 0.00 MB/sec execute 20 sec latency 22726.321 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 21 sec latency 23726.676 ms 1 606 0.00 MB/sec execute 22 sec latency 24727.463 ms 1 606 0.00 MB/sec execute 23 sec latency 25727.764 ms 1 606 0.00 MB/sec execute 24 sec latency 26729.219 ms 1 606 0.00 MB/sec execute 25 sec latency 27729.797 ms 1 606 0.00 MB/sec execute 26 sec latency 28731.302 ms 1 606 0.00 MB/sec execute 27 sec latency 29731.613 ms 1 606 0.00 MB/sec execute 28 sec latency 30733.852 ms 1 606 0.00 MB/sec execute 29 sec latency 31734.560 ms oleg114-server: oleg114-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 30 sec latency 32734.884 ms pdsh@oleg114-client: oleg114-server: ssh exited with exit code 1 1 611 0.00 MB/sec execute 31 sec latency 33620.206 ms Started lustre-MDT0000 15:58:00 (1789502280) targets are mounted 15:58:00 (1789502280) facet_failover done 1 658 0.00 MB/sec execute 32 sec latency 97.917 ms 1 703 0.01 MB/sec execute 33 sec latency 115.208 ms 1 756 0.01 MB/sec execute 34 sec latency 88.764 ms 1 799 0.01 MB/sec execute 35 sec latency 101.132 ms 1 845 0.02 MB/sec execute 36 sec latency 114.801 ms 1 873 0.02 MB/sec execute 37 sec latency 134.915 ms 1 884 0.02 MB/sec execute 38 sec latency 547.363 ms oleg114-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 885 0.02 MB/sec execute 39 sec latency 1403.473 ms 1 905 0.02 MB/sec execute 40 sec latency 187.335 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 926 0.02 MB/sec execute 41 sec latency 149.381 ms 1 955 0.02 MB/sec execute 42 sec latency 147.933 ms 1 985 0.02 MB/sec execute 43 sec latency 100.218 ms 1 1042 0.04 MB/sec execute 44 sec latency 100.377 ms 1 1086 0.04 MB/sec execute 45 sec latency 102.106 ms 1 1155 0.04 MB/sec execute 46 sec latency 89.577 ms 1 1200 0.04 MB/sec execute 47 sec latency 82.288 ms 1 1245 0.04 MB/sec execute 48 sec latency 110.035 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1387 0.10 MB/sec execute 49 sec latency 69.198 ms 1 1422 0.10 MB/sec execute 50 sec latency 105.186 ms 1 1470 0.10 MB/sec execute 51 sec latency 316.586 ms 1 1509 0.10 MB/sec execute 52 sec latency 122.644 ms 1 1571 0.10 MB/sec execute 53 sec latency 127.771 ms 1 1609 0.10 MB/sec execute 54 sec latency 82.023 ms 1 1656 0.10 MB/sec execute 55 sec latency 95.039 ms 1 1696 0.09 MB/sec execute 56 sec latency 236.235 ms 1 1769 0.09 MB/sec execute 57 sec latency 64.617 ms 1 1814 0.09 MB/sec execute 58 sec latency 112.993 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 15:58:27 EDT 2026 with return code 0 1 1864 0.09 MB/sec execute 59 sec latency 120.893 ms 67895 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67895 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished