== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:35:37 (1787146537) Starting client oleg150-client.virtnet: -o user_xattr,flock 192.168.201.150@tcp:/lustre /mnt/lustre Started clients oleg150-client.virtnet: 192.168.201.150@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 65666 Started dbench loop with 65667 striped dir -i0 -c2 -H fnv_1a_64 /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 17948 3588996 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7194472 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 Wed Aug 19 09:35:43 EDT 2026 waiting for dbench pid 65745 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 15 0.07 MB/sec warmup 1 sec latency 21.654 ms 1 71 1.57 MB/sec warmup 2 sec latency 147.677 ms 1 110 1.74 MB/sec warmup 3 sec latency 185.916 ms 1 139 1.50 MB/sec warmup 4 sec latency 197.352 ms 1 173 1.41 MB/sec warmup 5 sec latency 146.933 ms 1 192 1.26 MB/sec warmup 6 sec latency 485.403 ms 1 231 1.27 MB/sec warmup 7 sec latency 151.352 ms 1 271 1.27 MB/sec warmup 8 sec latency 106.730 ms test_26 fail mds1 1 times 1 301 1.22 MB/sec warmup 9 sec latency 131.671 ms 1 334 1.20 MB/sec warmup 10 sec latency 120.021 ms 1 362 1.17 MB/sec warmup 11 sec latency 184.287 ms Failing mds1 on oleg150-server 1 399 1.17 MB/sec warmup 12 sec latency 121.542 ms Stopping /mnt/lustre-mds1 (opts:) on oleg150-server 1 443 1.20 MB/sec warmup 13 sec latency 135.406 ms 1 444 1.12 MB/sec warmup 14 sec latency 996.695 ms 1 444 1.04 MB/sec warmup 15 sec latency 1996.960 ms 09:35:58 (1787146558) shut down facet: mds1 facet_host: oleg150-server facet_failover_host: oleg150-server 1 444 0.98 MB/sec warmup 16 sec latency 2997.347 ms 1 444 0.92 MB/sec warmup 17 sec latency 3997.695 ms 1 444 0.87 MB/sec warmup 18 sec latency 4997.942 ms 1 444 0.82 MB/sec warmup 19 sec latency 5999.538 ms 1 444 0.00 MB/sec execute 1 sec latency 8004.476 ms 1 444 0.00 MB/sec execute 2 sec latency 9005.240 ms 1 444 0.00 MB/sec execute 3 sec latency 10007.439 ms 1 444 0.00 MB/sec execute 4 sec latency 11007.688 ms 1 444 0.00 MB/sec execute 5 sec latency 12008.209 ms Failover mds1 to oleg150-server mount facets: mds1 1 444 0.00 MB/sec execute 6 sec latency 13008.467 ms 1 444 0.00 MB/sec execute 7 sec latency 14008.725 ms 1 444 0.00 MB/sec execute 8 sec latency 15008.968 ms 1 444 0.00 MB/sec execute 9 sec latency 16011.145 ms 1 444 0.00 MB/sec execute 10 sec latency 17012.315 ms 1 444 0.00 MB/sec execute 11 sec latency 18015.120 ms 1 444 0.00 MB/sec execute 12 sec latency 19015.389 ms 1 444 0.00 MB/sec execute 13 sec latency 20016.475 ms 1 444 0.00 MB/sec execute 14 sec latency 21016.836 ms 1 444 0.00 MB/sec execute 15 sec latency 22017.086 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 444 0.00 MB/sec execute 16 sec latency 23019.284 ms 1 444 0.00 MB/sec execute 17 sec latency 24019.516 ms 1 444 0.00 MB/sec execute 18 sec latency 25023.973 ms 1 444 0.00 MB/sec execute 19 sec latency 26024.237 ms 1 444 0.00 MB/sec execute 20 sec latency 27024.600 ms 1 444 0.00 MB/sec execute 21 sec latency 28025.731 ms 1 444 0.00 MB/sec execute 22 sec latency 29026.007 ms 1 444 0.00 MB/sec execute 23 sec latency 30026.318 ms 1 444 0.00 MB/sec execute 24 sec latency 31027.469 ms 1 444 0.00 MB/sec execute 25 sec latency 32027.870 ms 1 444 0.00 MB/sec execute 26 sec latency 33028.891 ms 1 444 0.00 MB/sec execute 27 sec latency 34029.127 ms 1 444 0.00 MB/sec execute 28 sec latency 35034.491 ms 1 444 0.00 MB/sec execute 29 sec latency 36036.774 ms 1 444 0.00 MB/sec execute 30 sec latency 37037.023 ms oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 444 0.00 MB/sec execute 31 sec latency 38037.332 ms 1 444 0.00 MB/sec execute 32 sec latency 39037.637 ms pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 444 0.00 MB/sec execute 33 sec latency 40037.998 ms Started lustre-MDT0000 09:36:37 (1787146597) targets are mounted 09:36:37 (1787146597) facet_failover done 1 464 0.02 MB/sec execute 34 sec latency 40202.883 ms 1 501 0.05 MB/sec execute 35 sec latency 124.886 ms 1 523 0.07 MB/sec execute 36 sec latency 202.775 ms 1 552 0.09 MB/sec execute 37 sec latency 558.722 ms 1 607 0.14 MB/sec execute 38 sec latency 851.392 ms 1 654 0.14 MB/sec execute 39 sec latency 134.403 ms 1 678 0.14 MB/sec execute 40 sec latency 175.696 ms 1 697 0.14 MB/sec execute 41 sec latency 219.649 ms 1 728 0.13 MB/sec execute 42 sec latency 156.311 ms 1 749 0.13 MB/sec execute 43 sec latency 173.315 ms oleg150-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 789 0.13 MB/sec execute 44 sec latency 138.899 ms 1 816 0.13 MB/sec execute 45 sec latency 127.044 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.13 MB/sec execute 46 sec latency 135.347 ms 1 884 0.13 MB/sec execute 47 sec latency 117.514 ms 1 903 0.13 MB/sec execute 48 sec latency 164.631 ms 1 928 0.12 MB/sec execute 49 sec latency 125.594 ms 1 964 0.12 MB/sec execute 50 sec latency 120.798 ms 1 988 0.12 MB/sec execute 51 sec latency 117.275 ms 1 1052 0.14 MB/sec execute 52 sec latency 117.822 ms 1 1099 0.14 MB/sec execute 53 sec latency 102.421 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1936 1269368 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 43108 3560564 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10728 3593600 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53836 7154164 1% /mnt/lustre 1 1132 0.14 MB/sec execute 54 sec latency 152.115 ms 1 1163 0.13 MB/sec execute 55 sec latency 125.824 ms 1 1172 0.13 MB/sec execute 56 sec latency 878.670 ms 1 1177 0.13 MB/sec execute 57 sec latency 1653.334 ms 1 1202 0.13 MB/sec execute 58 sec latency 146.830 ms 1 1233 0.13 MB/sec execute 59 sec latency 194.531 ms 1 1274 0.12 MB/sec execute 60 sec latency 141.429 ms 1 1285 0.12 MB/sec execute 61 sec latency 825.714 ms 1 1396 0.17 MB/sec execute 62 sec latency 890.360 ms 1 1420 0.16 MB/sec execute 63 sec latency 156.493 ms 1 1470 0.16 MB/sec execute 64 sec latency 98.959 ms test_26 fail mds2 2 times 1 1504 0.16 MB/sec execute 65 sec latency 125.516 ms 1 1537 0.16 MB/sec execute 66 sec latency 128.142 ms 1 1568 0.16 MB/sec execute 67 sec latency 89.308 ms Failing mds2 on oleg150-server 1 1597 0.15 MB/sec execute 68 sec latency 104.319 ms Stopping /mnt/lustre-mds2 (opts:) on oleg150-server 1 1641 0.15 MB/sec execute 69 sec latency 122.806 ms 1 1662 0.15 MB/sec execute 70 sec latency 186.737 ms 1 1727 0.15 MB/sec execute 71 sec latency 131.133 ms 1 1783 0.15 MB/sec execute 72 sec latency 115.837 ms 1 1846 0.15 MB/sec execute 73 sec latency 92.031 ms 1 1905 0.15 MB/sec execute 74 sec latency 104.032 ms 1 1986 0.14 MB/sec execute 75 sec latency 71.729 ms 1 2033 0.14 MB/sec execute 76 sec latency 132.290 ms 1 2098 0.14 MB/sec execute 77 sec latency 106.082 ms 1 2154 0.14 MB/sec execute 78 sec latency 155.403 ms 09:37:22 (1787146642) shut down facet: mds2 facet_host: oleg150-server facet_failover_host: oleg150-server 1 2206 0.14 MB/sec execute 79 sec latency 122.873 ms 1 2259 0.14 MB/sec execute 80 sec latency 565.630 ms 1 2259 0.14 MB/sec execute 81 sec latency 1566.814 ms 1 2259 0.14 MB/sec execute 82 sec latency 2567.901 ms 1 2259 0.13 MB/sec execute 83 sec latency 3571.503 ms 1 2259 0.13 MB/sec execute 84 sec latency 4571.771 ms 1 2259 0.13 MB/sec execute 85 sec latency 5572.683 ms 1 2259 0.13 MB/sec execute 86 sec latency 6573.710 ms 1 2259 0.13 MB/sec execute 87 sec latency 7574.272 ms 1 2259 0.13 MB/sec execute 88 sec latency 8574.528 ms Failover mds2 to oleg150-server mount facets: mds2 1 2259 0.12 MB/sec execute 89 sec latency 9575.730 ms 1 2259 0.12 MB/sec execute 90 sec latency 10579.715 ms 1 2259 0.12 MB/sec execute 91 sec latency 11579.997 ms 1 2259 0.12 MB/sec execute 92 sec latency 12580.281 ms 1 2259 0.12 MB/sec execute 93 sec latency 13580.548 ms 1 2259 0.12 MB/sec execute 94 sec latency 14582.824 ms 1 2259 0.12 MB/sec execute 95 sec latency 15583.012 ms 1 2259 0.12 MB/sec execute 96 sec latency 16585.040 ms 1 2259 0.11 MB/sec execute 97 sec latency 17585.269 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 98 sec latency 18585.470 ms 1 2259 0.11 MB/sec execute 99 sec latency 19585.799 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 cleanup 104 sec pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 09:37:49 (1787146669) targets are mounted 09:37:49 (1787146669) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 0 cleanup 111 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 327 148.883 27243.582 Close 284 154.005 40202.853 Rename 11 122.322 164.596 Unlink 30 32.298 82.676 Qpathinfo 295 17.249 146.125 Qfileinfo 76 2.626 12.990 Qfsinfo 33 4.321 32.976 Sfileinfo 34 71.779 173.289 Find 92 14.894 68.338 WriteX 256 15.771 118.653 ReadX 348 3.797 120.454 Flush 30 64.932 175.676 Throughput 0.112322 MB/sec 1 clients 1 procs max_latency=40202.883 ms stopping dbench on /mnt/lustre at Wed Aug 19 09:37:54 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg150-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush2 /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 Wed Aug 19 09:38:04 EDT 2026 waiting for dbench pid 67868 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 1 31 1.05 MB/sec warmup 1 sec latency 42.630 ms 1 73 1.57 MB/sec warmup 2 sec latency 143.256 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20084 3586540 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27132 3578472 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47216 7165012 1% /mnt/lustre 1 120 1.83 MB/sec warmup 3 sec latency 196.317 ms 1 147 1.57 MB/sec warmup 4 sec latency 138.288 ms 1 181 1.46 MB/sec warmup 5 sec latency 158.229 ms 1 199 1.31 MB/sec warmup 6 sec latency 522.468 ms 1 239 1.30 MB/sec warmup 7 sec latency 115.184 ms 1 279 1.30 MB/sec warmup 8 sec latency 114.354 ms 1 315 1.27 MB/sec warmup 9 sec latency 112.908 ms 1 349 1.25 MB/sec warmup 10 sec latency 174.117 ms 1 385 1.24 MB/sec warmup 11 sec latency 111.314 ms 1 430 1.26 MB/sec warmup 12 sec latency 110.361 ms test_26 fail mds1 3 times 1 477 1.28 MB/sec warmup 13 sec latency 90.474 ms 1 505 1.24 MB/sec warmup 14 sec latency 150.904 ms 1 542 1.27 MB/sec warmup 15 sec latency 149.131 ms Failing mds1 on oleg150-server 1 616 1.31 MB/sec warmup 16 sec latency 151.897 ms Stopping /mnt/lustre-mds1 (opts:) on oleg150-server 1 664 1.24 MB/sec warmup 17 sec latency 154.560 ms 1 674 1.17 MB/sec warmup 18 sec latency 702.033 ms 1 674 1.11 MB/sec warmup 19 sec latency 1707.077 ms 1 674 0.00 MB/sec execute 1 sec latency 3708.239 ms 1 674 0.00 MB/sec execute 2 sec latency 4708.439 ms 1 674 0.00 MB/sec execute 3 sec latency 5708.838 ms 1 674 0.00 MB/sec execute 4 sec latency 6709.220 ms 1 674 0.00 MB/sec execute 5 sec latency 7709.937 ms 09:38:30 (1787146710) shut down 1 674 0.00 MB/sec execute 6 sec latency 8724.050 ms facet: mds1 facet_host: oleg150-server facet_failover_host: oleg150-server 1 674 0.00 MB/sec execute 7 sec latency 9724.805 ms 1 674 0.00 MB/sec execute 8 sec latency 10725.114 ms 1 674 0.00 MB/sec execute 9 sec latency 11726.472 ms 1 674 0.00 MB/sec execute 10 sec latency 12729.802 ms 1 674 0.00 MB/sec execute 11 sec latency 13731.992 ms 1 674 0.00 MB/sec execute 12 sec latency 14740.634 ms 1 674 0.00 MB/sec execute 13 sec latency 15740.933 ms 1 674 0.00 MB/sec execute 14 sec latency 16741.298 ms 1 674 0.00 MB/sec execute 15 sec latency 17742.198 ms 1 674 0.00 MB/sec execute 16 sec latency 18742.466 ms Failover mds1 to oleg150-server mount facets: mds1 1 674 0.00 MB/sec execute 17 sec latency 19743.055 ms 1 674 0.00 MB/sec execute 18 sec latency 20748.482 ms 1 674 0.00 MB/sec execute 19 sec latency 21748.667 ms 1 674 0.00 MB/sec execute 20 sec latency 22748.938 ms 1 674 0.00 MB/sec execute 21 sec latency 23749.186 ms 1 674 0.00 MB/sec execute 22 sec latency 24750.653 ms 1 674 0.00 MB/sec execute 23 sec latency 25752.234 ms 1 674 0.00 MB/sec execute 24 sec latency 26754.140 ms 1 674 0.00 MB/sec execute 25 sec latency 27777.100 ms 1 674 0.00 MB/sec execute 26 sec latency 28777.395 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 27 sec latency 29777.672 ms 1 674 0.00 MB/sec execute 28 sec latency 30778.360 ms 1 674 0.00 MB/sec execute 29 sec latency 31778.637 ms 1 674 0.00 MB/sec execute 30 sec latency 32778.947 ms 1 674 0.00 MB/sec execute 31 sec latency 33780.204 ms 1 674 0.00 MB/sec execute 32 sec latency 34780.572 ms 1 674 0.00 MB/sec execute 33 sec latency 35780.756 ms 1 674 0.00 MB/sec execute 34 sec latency 36781.698 ms 1 674 0.00 MB/sec execute 35 sec latency 37784.217 ms 1 674 0.00 MB/sec execute 36 sec latency 38785.166 ms oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 37 sec latency 39785.428 ms 1 674 0.00 MB/sec execute 38 sec latency 40785.930 ms pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 689 0.00 MB/sec execute 39 sec latency 41407.087 ms Started lustre-MDT0000 09:39:04 (1787146744) targets are mounted 09:39:04 (1787146744) facet_failover done 1 720 0.00 MB/sec execute 40 sec latency 125.113 ms 1 759 0.00 MB/sec execute 41 sec latency 108.299 ms 1 781 0.00 MB/sec execute 42 sec latency 186.778 ms 1 821 0.01 MB/sec execute 43 sec latency 88.551 ms 1 878 0.01 MB/sec execute 44 sec latency 137.638 ms 1 884 0.01 MB/sec execute 45 sec latency 748.956 ms 1 888 0.01 MB/sec execute 46 sec latency 1446.303 ms oleg150-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 47 sec latency 230.060 ms 1 949 0.01 MB/sec execute 48 sec latency 107.043 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 975 0.01 MB/sec execute 49 sec latency 156.565 ms 1 1006 0.02 MB/sec execute 50 sec latency 122.986 ms 1 1060 0.03 MB/sec execute 51 sec latency 129.020 ms 1 1127 0.03 MB/sec execute 52 sec latency 84.325 ms 1 1169 0.03 MB/sec execute 53 sec latency 124.058 ms 1 1224 0.04 MB/sec execute 54 sec latency 67.914 ms 1 1273 0.04 MB/sec execute 55 sec latency 120.089 ms 1 1402 0.09 MB/sec execute 56 sec latency 104.766 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1447 0.08 MB/sec execute 57 sec latency 93.822 ms 1 1474 0.08 MB/sec execute 58 sec latency 350.133 ms 1 1511 0.08 MB/sec execute 59 sec latency 113.811 ms 1 1553 0.08 MB/sec execute 60 sec latency 142.060 ms 1 1579 0.08 MB/sec execute 61 sec latency 80.384 ms 1 1642 0.08 MB/sec execute 62 sec latency 83.265 ms 1 1687 0.08 MB/sec execute 63 sec latency 173.976 ms 1 1740 0.08 MB/sec execute 64 sec latency 100.793 ms 1 1802 0.08 MB/sec execute 65 sec latency 88.266 ms 1 1843 0.08 MB/sec execute 66 sec latency 103.711 ms 1 1891 0.08 MB/sec execute 67 sec latency 105.596 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 19 09:39:32 EDT 2026 with return code 0 67868 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67868 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished