== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:19:31 (1788751171) Starting client oleg250-client.virtnet: -o user_xattr,flock 192.168.202.150@tcp:/lustre /mnt/lustre Started clients oleg250-client.virtnet: 192.168.202.150@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 45182 Started dbench loop with 45183 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7502848 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 Sun Sep 6 23:19:37 EDT 2026 waiting for dbench pid 45249 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 31 1.05 MB/sec warmup 1 sec latency 166.736 ms 1 89 2.06 MB/sec warmup 2 sec latency 168.084 ms 1 143 2.03 MB/sec warmup 3 sec latency 152.032 ms 1 181 1.82 MB/sec warmup 4 sec latency 114.962 ms test_26 fail mds1 1 times 1 207 1.62 MB/sec warmup 5 sec latency 221.885 ms 1 246 1.56 MB/sec warmup 6 sec latency 143.012 ms Failing mds1 on oleg250-server 1 287 1.53 MB/sec warmup 7 sec latency 121.389 ms Stopping /mnt/lustre-mds1 (opts:) on oleg250-server 1 322 1.47 MB/sec warmup 8 sec latency 135.059 ms 1 322 1.30 MB/sec warmup 9 sec latency 1050.708 ms 1 322 1.17 MB/sec warmup 10 sec latency 2051.037 ms 23:19:48 (1788751188) shut down facet: mds1 facet_host: oleg250-server facet_failover_host: oleg250-server 1 322 1.07 MB/sec warmup 11 sec latency 3051.556 ms 1 322 0.98 MB/sec warmup 12 sec latency 4053.630 ms 1 322 0.90 MB/sec warmup 13 sec latency 5053.860 ms 1 322 0.84 MB/sec warmup 14 sec latency 6056.181 ms 1 322 0.78 MB/sec warmup 15 sec latency 7058.070 ms 1 322 0.73 MB/sec warmup 16 sec latency 8058.701 ms 1 322 0.69 MB/sec warmup 17 sec latency 9059.872 ms 1 322 0.65 MB/sec warmup 18 sec latency 10060.232 ms 1 322 0.62 MB/sec warmup 19 sec latency 11061.445 ms Failover mds1 to oleg250-server mount facets: mds1 1 322 0.00 MB/sec execute 1 sec latency 13065.721 ms 1 322 0.00 MB/sec execute 2 sec latency 14066.039 ms 1 322 0.00 MB/sec execute 3 sec latency 15066.914 ms 1 322 0.00 MB/sec execute 4 sec latency 16067.177 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 5 sec latency 17067.486 ms 1 322 0.00 MB/sec execute 6 sec latency 18067.758 ms 1 322 0.00 MB/sec execute 7 sec latency 19071.009 ms 1 322 0.00 MB/sec execute 8 sec latency 20072.107 ms 1 322 0.00 MB/sec execute 9 sec latency 21072.533 ms 1 322 0.00 MB/sec execute 10 sec latency 22073.638 ms 1 322 0.00 MB/sec execute 11 sec latency 23073.963 ms 1 322 0.00 MB/sec execute 12 sec latency 24074.655 ms 1 322 0.00 MB/sec execute 13 sec latency 25076.546 ms 1 322 0.00 MB/sec execute 14 sec latency 26077.057 ms 1 322 0.00 MB/sec execute 15 sec latency 27077.260 ms 1 322 0.00 MB/sec execute 16 sec latency 28078.866 ms 1 322 0.00 MB/sec execute 17 sec latency 29079.546 ms 1 322 0.00 MB/sec execute 18 sec latency 30080.695 ms 1 322 0.00 MB/sec execute 19 sec latency 31083.199 ms 1 322 0.00 MB/sec execute 20 sec latency 32083.403 ms oleg250-server: oleg250-server.virtnet: executing set_default_debug -1 all 1 322 0.00 MB/sec execute 21 sec latency 33083.833 ms 1 322 0.00 MB/sec execute 22 sec latency 34084.830 ms pdsh@oleg250-client: oleg250-server: ssh exited with exit code 1 1 322 0.00 MB/sec execute 23 sec latency 35096.527 ms Started lustre-MDT0000 23:20:21 (1788751221) targets are mounted 23:20:21 (1788751221) facet_failover done 1 322 0.00 MB/sec execute 24 sec latency 36097.444 ms 1 322 0.00 MB/sec execute 25 sec latency 37097.638 ms 1 322 0.00 MB/sec execute 26 sec latency 38098.042 ms 1 322 0.00 MB/sec execute 27 sec latency 39098.333 ms 1 322 0.00 MB/sec execute 28 sec latency 40098.520 ms 1 322 0.00 MB/sec execute 29 sec latency 41098.956 ms 1 327 0.00 MB/sec execute 30 sec latency 41625.817 ms 1 365 0.04 MB/sec execute 31 sec latency 122.387 ms 1 413 0.09 MB/sec execute 32 sec latency 128.038 ms 1 446 0.12 MB/sec execute 33 sec latency 125.706 ms 1 477 0.15 MB/sec execute 34 sec latency 161.870 ms oleg250-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.17 MB/sec execute 35 sec latency 150.059 ms 1 543 0.20 MB/sec execute 36 sec latency 166.827 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 609 0.25 MB/sec execute 37 sec latency 125.442 ms 1 664 0.25 MB/sec execute 38 sec latency 86.140 ms 1 678 0.24 MB/sec execute 39 sec latency 261.416 ms 1 711 0.24 MB/sec execute 40 sec latency 128.658 ms 1 735 0.23 MB/sec execute 41 sec latency 274.569 ms 1 769 0.23 MB/sec execute 42 sec latency 134.214 ms 1 794 0.23 MB/sec execute 43 sec latency 321.080 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3667968 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7405568 1% /mnt/lustre 1 806 0.22 MB/sec execute 44 sec latency 211.358 ms 1 857 0.22 MB/sec execute 45 sec latency 182.557 ms 1 878 0.22 MB/sec execute 46 sec latency 333.190 ms 1 913 0.21 MB/sec execute 47 sec latency 108.138 ms 1 940 0.21 MB/sec execute 48 sec latency 137.588 ms 1 971 0.21 MB/sec execute 49 sec latency 171.667 ms 1 990 0.20 MB/sec execute 50 sec latency 281.114 ms test_26 fail mds1 2 times 1 1060 0.22 MB/sec execute 51 sec latency 110.856 ms Failing mds1 on oleg250-server 1 1102 0.22 MB/sec execute 52 sec latency 99.845 ms Stopping /mnt/lustre-mds1 (opts:) on oleg250-server 1 1145 0.21 MB/sec execute 53 sec latency 82.282 ms 1 1177 0.21 MB/sec execute 54 sec latency 121.257 ms 1 1177 0.20 MB/sec execute 55 sec latency 1103.367 ms 1 1177 0.20 MB/sec execute 56 sec latency 2103.649 ms 23:20:54 (1788751254) shut down facet: mds1 facet_host: oleg250-server facet_failover_host: oleg250-server 1 1177 0.20 MB/sec execute 57 sec latency 3103.888 ms 1 1177 0.19 MB/sec execute 58 sec latency 4104.188 ms 1 1177 0.19 MB/sec execute 59 sec latency 5104.712 ms 1 1177 0.19 MB/sec execute 60 sec latency 6104.916 ms 1 1177 0.18 MB/sec execute 61 sec latency 7105.364 ms 1 1177 0.18 MB/sec execute 62 sec latency 8105.778 ms 1 1177 0.18 MB/sec execute 63 sec latency 9110.394 ms 1 1177 0.18 MB/sec execute 64 sec latency 10110.596 ms 1 1177 0.17 MB/sec execute 65 sec latency 11111.826 ms 1 1177 0.17 MB/sec execute 66 sec latency 12112.077 ms Failover mds1 to oleg250-server 1 1177 0.17 MB/sec execute 67 sec latency 13112.349 ms mount facets: mds1 1 1177 0.17 MB/sec execute 68 sec latency 14115.907 ms 1 1177 0.16 MB/sec execute 69 sec latency 15117.703 ms 1 1177 0.16 MB/sec execute 70 sec latency 16117.886 ms 1 1177 0.16 MB/sec execute 71 sec latency 17118.818 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1177 0.16 MB/sec execute 72 sec latency 18119.601 ms 1 1177 0.15 MB/sec execute 73 sec latency 19122.389 ms 1 1177 0.15 MB/sec execute 74 sec latency 20122.589 ms 1 1177 0.15 MB/sec execute 75 sec latency 21123.191 ms 1 1177 0.15 MB/sec execute 76 sec latency 22124.110 ms 1 1177 0.15 MB/sec execute 77 sec latency 23125.004 ms 1 1177 0.14 MB/sec execute 78 sec latency 24125.218 ms oleg250-server: oleg250-server.virtnet: executing set_default_debug -1 all 1 1208 0.14 MB/sec execute 79 sec latency 24205.848 ms pdsh@oleg250-client: oleg250-server: ssh exited with exit code 1 1 1244 0.14 MB/sec execute 80 sec latency 112.987 ms Started lustre-MDT0000 23:21:19 (1788751279) targets are mounted 23:21:19 (1788751279) facet_failover done 1 1277 0.14 MB/sec execute 81 sec latency 134.649 ms 1 1428 0.17 MB/sec execute 82 sec latency 72.277 ms 1 1481 0.17 MB/sec execute 83 sec latency 111.511 ms 1 1512 0.17 MB/sec execute 84 sec latency 185.928 ms 1 1558 0.17 MB/sec execute 85 sec latency 119.962 ms 1 1603 0.17 MB/sec execute 86 sec latency 116.231 ms 1 1634 0.17 MB/sec execute 87 sec latency 277.210 ms 1 1662 0.16 MB/sec execute 88 sec latency 130.920 ms oleg250-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1698 0.16 MB/sec execute 89 sec latency 195.024 ms 1 1754 0.16 MB/sec execute 90 sec latency 135.447 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1797 0.16 MB/sec execute 91 sec latency 112.092 ms 1 1843 0.16 MB/sec execute 92 sec latency 131.907 ms 1 1877 0.16 MB/sec execute 93 sec latency 204.412 ms 1 1931 0.16 MB/sec execute 94 sec latency 225.853 ms 1 1984 0.15 MB/sec execute 95 sec latency 82.937 ms 1 2020 0.15 MB/sec execute 96 sec latency 123.013 ms 1 2088 0.15 MB/sec execute 97 sec latency 98.307 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3713024 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 58368 3671040 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7384064 1% /mnt/lustre 1 2140 0.15 MB/sec execute 98 sec latency 153.565 ms 1 2162 0.15 MB/sec execute 99 sec latency 145.471 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec test_26 fail mds1 3 times 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 334 66.094 400.126 Close 280 162.295 41625.790 Rename 11 108.372 195.003 Unlink 28 33.922 81.608 Qpathinfo 275 106.167 24205.828 Qfileinfo 87 2.034 11.258 Qfsinfo 33 3.756 21.215 Sfileinfo 34 59.336 122.445 Find 91 8.134 125.431 WriteX 328 14.659 125.688 ReadX 346 2.196 125.517 Flush 30 158.990 333.172 Throughput 0.150993 MB/sec 1 clients 1 procs max_latency=41625.817 ms stopping dbench on /mnt/lustre at Sun Sep 6 23:21:42 EDT 2026 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 oleg250-server Stopping /mnt/lustre-mds1 (opts:) on oleg250-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 23:21:48 (1788751308) shut down facet: mds1 facet_host: oleg250-server facet_failover_host: oleg250-server Failover mds1 to oleg250-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg250-server: oleg250-server.virtnet: executing set_default_debug -1 all pdsh@oleg250-client: oleg250-server: ssh exited with exit code 1 Started lustre-MDT0000 23:22:19 (1788751339) targets are mounted 23:22:19 (1788751339) facet_failover done '/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 Sep 6 23:22:27 EDT 2026 waiting for dbench pid 47823 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 48 1.97 MB/sec warmup 1 sec latency 179.449 ms oleg250-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 111 2.62 MB/sec warmup 2 sec latency 109.427 ms 1 137 2.00 MB/sec warmup 3 sec latency 223.384 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 165 1.70 MB/sec warmup 4 sec latency 204.223 ms 1 197 1.56 MB/sec warmup 5 sec latency 113.944 ms 1 246 1.56 MB/sec warmup 6 sec latency 154.880 ms 1 298 1.56 MB/sec warmup 7 sec latency 77.268 ms 1 341 1.53 MB/sec warmup 8 sec latency 97.448 ms 1 396 1.56 MB/sec warmup 9 sec latency 94.505 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 25600 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 60416 7399424 1% /mnt/lustre 1 437 1.53 MB/sec warmup 10 sec latency 141.805 ms 1 485 1.54 MB/sec warmup 11 sec latency 150.108 ms 1 513 1.47 MB/sec warmup 12 sec latency 146.070 ms 1 599 1.61 MB/sec warmup 13 sec latency 124.130 ms 1 664 1.51 MB/sec warmup 14 sec latency 90.583 ms 1 708 1.41 MB/sec warmup 15 sec latency 177.495 ms test_26 fail mds1 4 times 1 730 1.33 MB/sec warmup 16 sec latency 281.425 ms Failing mds1 on oleg250-server 1 769 1.25 MB/sec warmup 17 sec latency 133.122 ms Stopping /mnt/lustre-mds1 (opts:) on oleg250-server 1 803 1.19 MB/sec warmup 18 sec latency 168.650 ms 1 808 1.13 MB/sec warmup 19 sec latency 910.182 ms 23:22:48 (1788751368) shut down facet: mds1 facet_host: oleg250-server facet_failover_host: oleg250-server 1 808 0.00 MB/sec execute 1 sec latency 2910.617 ms 1 808 0.00 MB/sec execute 2 sec latency 3911.018 ms 1 808 0.00 MB/sec execute 3 sec latency 4911.161 ms 1 808 0.00 MB/sec execute 4 sec latency 5912.564 ms 1 808 0.00 MB/sec execute 5 sec latency 6912.764 ms 1 808 0.00 MB/sec execute 6 sec latency 7912.950 ms 1 808 0.00 MB/sec execute 7 sec latency 8913.225 ms 1 808 0.00 MB/sec execute 8 sec latency 9913.457 ms 1 808 0.00 MB/sec execute 9 sec latency 10913.699 ms 1 808 0.00 MB/sec execute 10 sec latency 11913.997 ms Failover mds1 to oleg250-server 1 808 0.00 MB/sec execute 11 sec latency 12914.230 ms mount facets: mds1 1 808 0.00 MB/sec execute 12 sec latency 13914.471 ms 1 808 0.00 MB/sec execute 13 sec latency 14914.788 ms 1 808 0.00 MB/sec execute 14 sec latency 15914.966 ms 1 808 0.00 MB/sec execute 15 sec latency 16916.465 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 808 0.00 MB/sec execute 16 sec latency 17916.688 ms 1 808 0.00 MB/sec execute 17 sec latency 18916.930 ms 1 808 0.00 MB/sec execute 18 sec latency 19919.021 ms 1 808 0.00 MB/sec execute 19 sec latency 20919.265 ms 1 808 0.00 MB/sec execute 20 sec latency 21919.498 ms 1 808 0.00 MB/sec execute 21 sec latency 22919.692 ms 1 808 0.00 MB/sec execute 22 sec latency 23920.020 ms 1 808 0.00 MB/sec execute 23 sec latency 24922.640 ms 1 808 0.00 MB/sec execute 24 sec latency 25923.413 ms 1 808 0.00 MB/sec execute 25 sec latency 26924.651 ms 1 808 0.00 MB/sec execute 26 sec latency 27925.295 ms 1 808 0.00 MB/sec execute 27 sec latency 28934.049 ms 1 808 0.00 MB/sec execute 28 sec latency 29935.339 ms 1 808 0.00 MB/sec execute 29 sec latency 30938.627 ms 1 808 0.00 MB/sec execute 30 sec latency 31938.814 ms 1 808 0.00 MB/sec execute 31 sec latency 32939.383 ms oleg250-server: oleg250-server.virtnet: executing set_default_debug -1 all 1 808 0.00 MB/sec execute 32 sec latency 33940.364 ms 1 808 0.00 MB/sec execute 33 sec latency 34940.725 ms pdsh@oleg250-client: oleg250-server: ssh exited with exit code 1 Started lustre-MDT0000 23:23:21 (1788751401) targets are mounted 23:23:21 (1788751401) facet_failover done 1 808 0.00 MB/sec execute 34 sec latency 35941.199 ms 1 808 0.00 MB/sec execute 35 sec latency 36943.090 ms 1 808 0.00 MB/sec execute 36 sec latency 37943.907 ms 1 808 0.00 MB/sec execute 37 sec latency 38944.260 ms 1 849 0.00 MB/sec execute 38 sec latency 39142.916 ms 1 874 0.00 MB/sec execute 39 sec latency 324.033 ms 1 902 0.01 MB/sec execute 40 sec latency 133.555 ms 1 921 0.01 MB/sec execute 41 sec latency 292.725 ms oleg250-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 969 0.01 MB/sec execute 42 sec latency 107.380 ms 1 995 0.01 MB/sec execute 43 sec latency 202.697 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1045 0.03 MB/sec execute 44 sec latency 171.947 ms 1 1113 0.03 MB/sec execute 45 sec latency 94.016 ms 1 1177 0.03 MB/sec execute 46 sec latency 69.213 ms 1 1229 0.03 MB/sec execute 47 sec latency 60.964 ms 1 1277 0.03 MB/sec execute 48 sec latency 171.119 ms 1 1410 0.09 MB/sec execute 49 sec latency 92.803 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1468 0.09 MB/sec execute 50 sec latency 106.946 ms 1 1529 0.09 MB/sec execute 51 sec latency 119.426 ms 1 1593 0.09 MB/sec execute 52 sec latency 67.002 ms 1 1651 0.09 MB/sec execute 53 sec latency 221.450 ms 1 1721 0.09 MB/sec execute 54 sec latency 73.136 ms 1 1814 0.09 MB/sec execute 55 sec latency 96.298 ms 1 1873 0.09 MB/sec execute 56 sec latency 114.869 ms 1 1928 0.09 MB/sec execute 57 sec latency 316.750 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 6 23:23:45 EDT 2026 with return code 0 1 1996 0.09 MB/sec execute 58 sec latency 81.664 ms 47823 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47823 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished