== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:56:45 (1786748205) Starting client oleg130-client.virtnet: -o user_xattr,flock 192.168.201.130@tcp:/lustre /mnt/lustre Started clients oleg130-client.virtnet: 192.168.201.130@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 65680 Started dbench loop with 65681 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 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 17948 3584876 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 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 Fri Aug 14 18:56:51 EDT 2026 waiting for dbench pid 65759 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 129.044 ms 1 52 1.05 MB/sec warmup 2 sec latency 129.508 ms 1 91 1.40 MB/sec warmup 3 sec latency 151.632 ms 1 121 1.37 MB/sec warmup 4 sec latency 245.318 ms 1 155 1.31 MB/sec warmup 5 sec latency 148.013 ms 1 165 1.13 MB/sec warmup 6 sec latency 684.658 ms 1 165 0.97 MB/sec warmup 7 sec latency 1687.855 ms 1 184 0.92 MB/sec warmup 8 sec latency 1751.152 ms 1 205 0.89 MB/sec warmup 9 sec latency 486.142 ms 1 244 0.93 MB/sec warmup 10 sec latency 109.309 ms test_26 fail mds1 1 times 1 279 0.95 MB/sec warmup 11 sec latency 140.361 ms 1 305 0.93 MB/sec warmup 12 sec latency 187.682 ms Failing mds1 on oleg130-server 1 335 0.93 MB/sec warmup 13 sec latency 184.659 ms Stopping /mnt/lustre-mds1 (opts:) on oleg130-server 1 370 0.94 MB/sec warmup 14 sec latency 131.088 ms 1 411 0.97 MB/sec warmup 15 sec latency 117.859 ms 1 413 0.91 MB/sec warmup 16 sec latency 986.586 ms 1 413 0.86 MB/sec warmup 17 sec latency 1999.109 ms 18:57:09 (1786748229) shut down facet: mds1 facet_host: oleg130-server facet_failover_host: oleg130-server 1 413 0.81 MB/sec warmup 18 sec latency 2999.273 ms 1 413 0.77 MB/sec warmup 19 sec latency 3999.530 ms 1 413 0.00 MB/sec execute 1 sec latency 5999.944 ms 1 413 0.00 MB/sec execute 2 sec latency 7000.934 ms 1 413 0.00 MB/sec execute 3 sec latency 8001.089 ms 1 413 0.00 MB/sec execute 4 sec latency 9001.362 ms 1 413 0.00 MB/sec execute 5 sec latency 10001.565 ms 1 413 0.00 MB/sec execute 6 sec latency 11005.138 ms 1 413 0.00 MB/sec execute 7 sec latency 12005.452 ms 1 413 0.00 MB/sec execute 8 sec latency 13005.802 ms Failover mds1 to oleg130-server mount facets: mds1 1 413 0.00 MB/sec execute 9 sec latency 14006.214 ms 1 413 0.00 MB/sec execute 10 sec latency 15006.538 ms 1 413 0.00 MB/sec execute 11 sec latency 16007.833 ms 1 413 0.00 MB/sec execute 12 sec latency 17008.101 ms 1 413 0.00 MB/sec execute 13 sec latency 18008.425 ms 1 413 0.00 MB/sec execute 14 sec latency 19009.039 ms 1 413 0.00 MB/sec execute 15 sec latency 20016.464 ms 1 413 0.00 MB/sec execute 16 sec latency 21017.211 ms 1 413 0.00 MB/sec execute 17 sec latency 22017.589 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 413 0.00 MB/sec execute 18 sec latency 23018.113 ms 1 413 0.00 MB/sec execute 19 sec latency 24018.927 ms 1 413 0.00 MB/sec execute 20 sec latency 25019.313 ms 1 413 0.00 MB/sec execute 21 sec latency 26019.539 ms 1 413 0.00 MB/sec execute 22 sec latency 27020.186 ms 1 413 0.00 MB/sec execute 23 sec latency 28020.567 ms 1 413 0.00 MB/sec execute 24 sec latency 29020.940 ms 1 413 0.00 MB/sec execute 25 sec latency 30021.174 ms 1 413 0.00 MB/sec execute 26 sec latency 31022.787 ms 1 413 0.00 MB/sec execute 27 sec latency 32026.335 ms 1 413 0.00 MB/sec execute 28 sec latency 33026.665 ms 1 413 0.00 MB/sec execute 29 sec latency 34026.922 ms 1 413 0.00 MB/sec execute 30 sec latency 35027.144 ms oleg130-server: oleg130-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 31 sec latency 36031.462 ms 1 432 0.02 MB/sec execute 32 sec latency 36395.772 ms pdsh@oleg130-client: oleg130-server: ssh exited with exit code 1 1 461 0.05 MB/sec execute 33 sec latency 163.288 ms Started lustre-MDT0000 18:57:45 (1786748265) targets are mounted 18:57:45 (1786748265) facet_failover done 1 485 0.07 MB/sec execute 34 sec latency 185.439 ms 1 503 0.08 MB/sec execute 35 sec latency 317.309 ms 1 529 0.10 MB/sec execute 36 sec latency 277.495 ms 1 575 0.13 MB/sec execute 37 sec latency 414.708 ms 1 640 0.17 MB/sec execute 38 sec latency 108.086 ms 1 666 0.17 MB/sec execute 39 sec latency 200.889 ms 1 689 0.16 MB/sec execute 40 sec latency 163.912 ms 1 710 0.16 MB/sec execute 41 sec latency 174.790 ms 1 731 0.16 MB/sec execute 42 sec latency 188.766 ms oleg130-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.16 MB/sec execute 43 sec latency 143.751 ms 1 779 0.15 MB/sec execute 44 sec latency 185.267 ms 1 806 0.15 MB/sec execute 45 sec latency 132.016 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 825 0.15 MB/sec execute 46 sec latency 159.749 ms 1 863 0.15 MB/sec execute 47 sec latency 173.658 ms 1 885 0.15 MB/sec execute 48 sec latency 159.416 ms 1 900 0.14 MB/sec execute 49 sec latency 260.725 ms 1 919 0.14 MB/sec execute 50 sec latency 181.563 ms 1 938 0.14 MB/sec execute 51 sec latency 212.016 ms 1 962 0.14 MB/sec execute 52 sec latency 184.782 ms 1 980 0.14 MB/sec execute 53 sec latency 263.467 ms 1 995 0.13 MB/sec execute 54 sec latency 161.046 ms 1 1040 0.15 MB/sec execute 55 sec latency 133.739 ms 1 1062 0.15 MB/sec execute 56 sec latency 134.962 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44388 3561564 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13808 3590148 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58196 7151712 1% /mnt/lustre 1 1085 0.15 MB/sec execute 57 sec latency 181.165 ms 1 1134 0.14 MB/sec execute 58 sec latency 94.327 ms 1 1163 0.14 MB/sec execute 59 sec latency 127.002 ms 1 1173 0.14 MB/sec execute 60 sec latency 829.021 ms 1 1200 0.14 MB/sec execute 61 sec latency 139.776 ms 1 1236 0.14 MB/sec execute 62 sec latency 110.545 ms 1 1274 0.14 MB/sec execute 63 sec latency 93.582 ms 1 1392 0.18 MB/sec execute 64 sec latency 172.284 ms 1 1419 0.18 MB/sec execute 65 sec latency 138.019 ms 1 1447 0.17 MB/sec execute 66 sec latency 122.131 ms 1 1486 0.17 MB/sec execute 67 sec latency 114.729 ms test_26 fail mds2 2 times 1 1515 0.17 MB/sec execute 68 sec latency 121.911 ms 1 1558 0.17 MB/sec execute 69 sec latency 114.269 ms Failing mds2 on oleg130-server 1 1593 0.16 MB/sec execute 70 sec latency 157.563 ms Stopping /mnt/lustre-mds2 (opts:) on oleg130-server 1 1625 0.16 MB/sec execute 71 sec latency 148.889 ms 1 1667 0.16 MB/sec execute 72 sec latency 101.211 ms 1 1709 0.16 MB/sec execute 73 sec latency 102.904 ms 18:58:25 (1786748305) shut down 1 1783 0.16 MB/sec execute 74 sec latency 94.987 ms facet: mds2 facet_host: oleg130-server facet_failover_host: oleg130-server 1 1845 0.16 MB/sec execute 75 sec latency 66.916 ms 1 1924 0.16 MB/sec execute 76 sec latency 74.555 ms 1 2010 0.15 MB/sec execute 77 sec latency 62.731 ms 1 2098 0.15 MB/sec execute 78 sec latency 69.663 ms 1 2166 0.15 MB/sec execute 79 sec latency 78.257 ms 1 2251 0.15 MB/sec execute 80 sec latency 69.168 ms 1 2259 0.15 MB/sec execute 81 sec latency 935.373 ms 1 2259 0.15 MB/sec execute 82 sec latency 1935.833 ms 1 2259 0.15 MB/sec execute 83 sec latency 2936.638 ms 1 2259 0.14 MB/sec execute 84 sec latency 3937.847 ms Failover mds2 to oleg130-server mount facets: mds2 1 2259 0.14 MB/sec execute 85 sec latency 4942.354 ms 1 2259 0.14 MB/sec execute 86 sec latency 5942.756 ms 1 2259 0.14 MB/sec execute 87 sec latency 6944.523 ms 1 2259 0.14 MB/sec execute 88 sec latency 7945.624 ms 1 2259 0.14 MB/sec execute 89 sec latency 8945.905 ms 1 2259 0.14 MB/sec execute 90 sec latency 9949.275 ms 1 2259 0.13 MB/sec execute 91 sec latency 10949.993 ms 1 2259 0.13 MB/sec execute 92 sec latency 11950.329 ms 1 2259 0.13 MB/sec execute 93 sec latency 12952.094 ms 1 2259 0.13 MB/sec execute 94 sec latency 13952.496 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 95 sec latency 14952.831 ms 1 2259 0.13 MB/sec execute 96 sec latency 15953.055 ms 1 2259 0.13 MB/sec execute 97 sec latency 16953.796 ms 1 2259 0.12 MB/sec execute 98 sec latency 17954.837 ms 1 2259 0.12 MB/sec execute 99 sec latency 18955.156 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg130-server: oleg130-server.virtnet: executing set_default_debug -1 all 1 cleanup 102 sec pdsh@oleg130-client: oleg130-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 1 cleanup 104 sec 18:58:56 (1786748336) targets are mounted 18:58:56 (1786748336) facet_failover done 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 331 251.110 36395.757 Close 287 12.943 49.474 Rename 11 129.334 263.440 Unlink 30 36.694 130.978 Qpathinfo 295 18.534 134.931 Qfileinfo 80 3.027 31.824 Qfsinfo 33 4.599 25.969 Sfileinfo 34 84.756 173.643 Find 92 15.621 55.161 WriteX 276 17.698 133.715 ReadX 348 3.505 122.218 Flush 30 69.377 200.873 Throughput 0.122834 MB/sec 1 clients 1 procs max_latency=36395.772 ms stopping dbench on /mnt/lustre at Fri Aug 14 18:58:59 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg130-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-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' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Aug 14 18:59:08 EDT 2026 waiting for dbench pid 67841 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 13.866 ms 1 76 1.63 MB/sec warmup 2 sec latency 87.240 ms 1 121 1.83 MB/sec warmup 3 sec latency 183.142 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11132 3595888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35484 3569036 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46616 7164924 1% /mnt/lustre 1 147 1.57 MB/sec warmup 4 sec latency 167.327 ms 1 174 1.41 MB/sec warmup 5 sec latency 213.650 ms 1 190 1.26 MB/sec warmup 6 sec latency 500.596 ms 1 224 1.23 MB/sec warmup 7 sec latency 154.596 ms 1 263 1.24 MB/sec warmup 8 sec latency 147.981 ms 1 297 1.22 MB/sec warmup 9 sec latency 141.007 ms 1 332 1.20 MB/sec warmup 10 sec latency 145.465 ms 1 357 1.16 MB/sec warmup 11 sec latency 229.070 ms 1 396 1.17 MB/sec warmup 12 sec latency 133.256 ms 1 450 1.21 MB/sec warmup 13 sec latency 99.602 ms test_26 fail mds1 3 times 1 493 1.23 MB/sec warmup 14 sec latency 128.147 ms 1 518 1.19 MB/sec warmup 15 sec latency 145.494 ms Failing mds1 on oleg130-server 1 583 1.24 MB/sec warmup 16 sec latency 139.891 ms Stopping /mnt/lustre-mds1 (opts:) on oleg130-server 1 653 1.24 MB/sec warmup 17 sec latency 123.906 ms 1 664 1.17 MB/sec warmup 18 sec latency 582.498 ms 1 664 1.11 MB/sec warmup 19 sec latency 1582.752 ms 1 664 0.00 MB/sec execute 1 sec latency 3585.577 ms 1 664 0.00 MB/sec execute 2 sec latency 4586.712 ms 1 664 0.00 MB/sec execute 3 sec latency 5586.964 ms 1 664 0.00 MB/sec execute 4 sec latency 6587.184 ms 1 664 0.00 MB/sec execute 5 sec latency 7587.474 ms 18:59:34 (1786748374) shut down facet: mds1 facet_host: oleg130-server facet_failover_host: oleg130-server 1 664 0.00 MB/sec execute 6 sec latency 8589.077 ms 1 664 0.00 MB/sec execute 7 sec latency 9589.829 ms 1 664 0.00 MB/sec execute 8 sec latency 10590.088 ms 1 664 0.00 MB/sec execute 9 sec latency 11590.374 ms 1 664 0.00 MB/sec execute 10 sec latency 12590.988 ms 1 664 0.00 MB/sec execute 11 sec latency 13593.022 ms 1 664 0.00 MB/sec execute 12 sec latency 14593.291 ms 1 664 0.00 MB/sec execute 13 sec latency 15596.684 ms 1 664 0.00 MB/sec execute 14 sec latency 16596.924 ms 1 664 0.00 MB/sec execute 15 sec latency 17597.945 ms Failover mds1 to oleg130-server mount facets: mds1 1 664 0.00 MB/sec execute 16 sec latency 18599.440 ms 1 664 0.00 MB/sec execute 17 sec latency 19599.687 ms 1 664 0.00 MB/sec execute 18 sec latency 20599.902 ms 1 664 0.00 MB/sec execute 19 sec latency 21600.229 ms 1 664 0.00 MB/sec execute 20 sec latency 22600.848 ms 1 664 0.00 MB/sec execute 21 sec latency 23601.756 ms 1 664 0.00 MB/sec execute 22 sec latency 24602.126 ms 1 664 0.00 MB/sec execute 23 sec latency 25603.351 ms 1 664 0.00 MB/sec execute 24 sec latency 26605.561 ms 1 664 0.00 MB/sec execute 25 sec latency 27605.900 ms 1 664 0.00 MB/sec execute 26 sec latency 28606.177 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 664 0.00 MB/sec execute 27 sec latency 29606.656 ms 1 664 0.00 MB/sec execute 28 sec latency 30607.719 ms 1 664 0.00 MB/sec execute 29 sec latency 31608.593 ms 1 664 0.00 MB/sec execute 30 sec latency 32608.816 ms 1 664 0.00 MB/sec execute 31 sec latency 33609.931 ms 1 664 0.00 MB/sec execute 32 sec latency 34618.607 ms 1 664 0.00 MB/sec execute 33 sec latency 35618.895 ms 1 664 0.00 MB/sec execute 34 sec latency 36619.255 ms 1 664 0.00 MB/sec execute 35 sec latency 37619.512 ms 1 664 0.00 MB/sec execute 36 sec latency 38620.902 ms 1 664 0.00 MB/sec execute 37 sec latency 39621.152 ms oleg130-server: oleg130-server.virtnet: executing set_default_debug -1 all 1 664 0.00 MB/sec execute 38 sec latency 40625.527 ms 1 674 0.00 MB/sec execute 39 sec latency 41350.896 ms pdsh@oleg130-client: oleg130-server: ssh exited with exit code 1 1 706 0.00 MB/sec execute 40 sec latency 114.372 ms Started lustre-MDT0000 19:00:09 (1786748409) targets are mounted 19:00:09 (1786748409) facet_failover done 1 736 0.00 MB/sec execute 41 sec latency 133.126 ms 1 770 0.00 MB/sec execute 42 sec latency 128.578 ms 1 803 0.01 MB/sec execute 43 sec latency 108.861 ms 1 850 0.01 MB/sec execute 44 sec latency 117.587 ms 1 878 0.01 MB/sec execute 45 sec latency 151.620 ms 1 884 0.01 MB/sec execute 46 sec latency 844.267 ms 1 892 0.01 MB/sec execute 47 sec latency 1311.502 ms oleg130-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 913 0.01 MB/sec execute 48 sec latency 138.322 ms 1 932 0.01 MB/sec execute 49 sec latency 182.554 ms 1 967 0.01 MB/sec execute 50 sec latency 168.203 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 985 0.01 MB/sec execute 51 sec latency 138.132 ms 1 1025 0.03 MB/sec execute 52 sec latency 172.148 ms 1 1071 0.03 MB/sec execute 53 sec latency 106.746 ms 1 1124 0.03 MB/sec execute 54 sec latency 117.666 ms 1 1163 0.03 MB/sec execute 55 sec latency 119.477 ms 1 1208 0.03 MB/sec execute 56 sec latency 78.052 ms 1 1244 0.03 MB/sec execute 57 sec latency 109.652 ms 1 1318 0.05 MB/sec execute 58 sec latency 91.049 ms 1 1406 0.08 MB/sec execute 59 sec latency 89.758 ms 1 1453 0.08 MB/sec execute 60 sec latency 145.867 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1481 0.08 MB/sec execute 61 sec latency 449.432 ms 1 1512 0.08 MB/sec execute 62 sec latency 115.318 ms 1 1557 0.08 MB/sec execute 63 sec latency 99.576 ms 1 1578 0.08 MB/sec execute 64 sec latency 104.825 ms 1 1609 0.08 MB/sec execute 65 sec latency 94.656 ms 1 1647 0.08 MB/sec execute 66 sec latency 166.995 ms 1 1686 0.08 MB/sec execute 67 sec latency 114.209 ms 1 1725 0.07 MB/sec execute 68 sec latency 150.442 ms 1 1775 0.07 MB/sec execute 69 sec latency 120.085 ms 1 1828 0.07 MB/sec execute 70 sec latency 140.422 ms 1 1876 0.07 MB/sec execute 71 sec latency 94.752 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1937 0.07 MB/sec execute 72 sec latency 90.715 ms stopping dbench on /mnt/lustre at Fri Aug 14 19:00:41 EDT 2026 with return code 0 67841 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67841 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished