== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:50:31 (1788544231) Starting client oleg232-client.virtnet: -o user_xattr,flock 192.168.202.132@tcp:/lustre /mnt/lustre Started clients oleg232-client.virtnet: 192.168.202.132@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 65679 Started dbench loop with 65681 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush2 /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 5660 3593064 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7198540 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 Sep 4 13:50:38 EDT 2026 waiting for dbench pid 65760 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 5 0.00 MB/sec warmup 1 sec latency 156.400 ms 1 31 0.52 MB/sec warmup 2 sec latency 71.677 ms 1 77 1.11 MB/sec warmup 3 sec latency 139.983 ms 1 111 1.31 MB/sec warmup 4 sec latency 205.243 ms 1 135 1.19 MB/sec warmup 5 sec latency 232.711 ms 1 147 1.05 MB/sec warmup 6 sec latency 253.252 ms 1 182 1.04 MB/sec warmup 7 sec latency 217.024 ms 1 189 0.95 MB/sec warmup 8 sec latency 709.470 ms 1 214 0.93 MB/sec warmup 9 sec latency 210.597 ms 1 239 0.91 MB/sec warmup 10 sec latency 194.805 ms 1 271 0.92 MB/sec warmup 11 sec latency 172.038 ms test_26 fail mds1 1 times 1 298 0.91 MB/sec warmup 12 sec latency 202.773 ms 1 337 0.94 MB/sec warmup 13 sec latency 143.495 ms Failing mds1 on oleg232-server Stopping /mnt/lustre-mds1 (opts:) on oleg232-server 1 373 0.95 MB/sec warmup 14 sec latency 171.235 ms 1 421 0.99 MB/sec warmup 15 sec latency 108.088 ms 1 459 1.01 MB/sec warmup 16 sec latency 137.871 ms 1 501 1.03 MB/sec warmup 17 sec latency 112.086 ms 13:50:56 (1788544256) shut down facet: mds1 facet_host: oleg232-server facet_failover_host: oleg232-server 1 501 0.97 MB/sec warmup 18 sec latency 1014.571 ms 1 501 0.92 MB/sec warmup 19 sec latency 2014.819 ms 1 501 0.00 MB/sec execute 1 sec latency 4015.382 ms 1 501 0.00 MB/sec execute 2 sec latency 5015.973 ms 1 501 0.00 MB/sec execute 3 sec latency 6017.305 ms 1 501 0.00 MB/sec execute 4 sec latency 7017.936 ms 1 501 0.00 MB/sec execute 5 sec latency 8018.181 ms 1 501 0.00 MB/sec execute 6 sec latency 9018.333 ms 1 501 0.00 MB/sec execute 7 sec latency 10018.569 ms 1 501 0.00 MB/sec execute 8 sec latency 11018.890 ms Failover mds1 to oleg232-server mount facets: mds1 1 501 0.00 MB/sec execute 9 sec latency 12019.436 ms 1 501 0.00 MB/sec execute 10 sec latency 13019.915 ms 1 501 0.00 MB/sec execute 11 sec latency 14020.425 ms 1 501 0.00 MB/sec execute 12 sec latency 15020.679 ms 1 501 0.00 MB/sec execute 13 sec latency 16020.875 ms 1 501 0.00 MB/sec execute 14 sec latency 17027.915 ms 1 501 0.00 MB/sec execute 15 sec latency 18031.537 ms 1 501 0.00 MB/sec execute 16 sec latency 19032.578 ms 1 501 0.00 MB/sec execute 17 sec latency 20034.306 ms 1 501 0.00 MB/sec execute 18 sec latency 21034.558 ms 1 501 0.00 MB/sec execute 19 sec latency 22036.141 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 20 sec latency 23036.391 ms 1 501 0.00 MB/sec execute 21 sec latency 24038.385 ms 1 501 0.00 MB/sec execute 22 sec latency 25040.993 ms 1 501 0.00 MB/sec execute 23 sec latency 26042.772 ms 1 501 0.00 MB/sec execute 24 sec latency 27043.473 ms 1 501 0.00 MB/sec execute 25 sec latency 28045.880 ms 1 501 0.00 MB/sec execute 26 sec latency 29047.090 ms 1 501 0.00 MB/sec execute 27 sec latency 30051.409 ms 1 501 0.00 MB/sec execute 28 sec latency 31051.895 ms 1 501 0.00 MB/sec execute 29 sec latency 32053.236 ms 1 501 0.00 MB/sec execute 30 sec latency 33057.097 ms oleg232-server: oleg232-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 31 sec latency 34057.558 ms pdsh@oleg232-client: oleg232-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 32 sec latency 35057.960 ms Started lustre-MDT0000 1 503 0.00 MB/sec execute 33 sec latency 35958.885 ms 13:51:32 (1788544292) targets are mounted 13:51:32 (1788544292) facet_failover done 1 552 0.05 MB/sec execute 34 sec latency 195.932 ms 1 594 0.09 MB/sec execute 35 sec latency 679.091 ms 1 642 0.10 MB/sec execute 36 sec latency 121.033 ms 1 676 0.10 MB/sec execute 37 sec latency 128.663 ms 1 705 0.10 MB/sec execute 38 sec latency 245.697 ms 1 731 0.10 MB/sec execute 39 sec latency 188.432 ms 1 767 0.10 MB/sec execute 40 sec latency 164.661 ms oleg232-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 794 0.10 MB/sec execute 41 sec latency 182.903 ms 1 825 0.10 MB/sec execute 42 sec latency 129.400 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 874 0.10 MB/sec execute 43 sec latency 90.871 ms 1 904 0.10 MB/sec execute 44 sec latency 149.957 ms 1 949 0.10 MB/sec execute 45 sec latency 99.775 ms 1 981 0.10 MB/sec execute 46 sec latency 123.895 ms 1 1050 0.12 MB/sec execute 47 sec latency 123.770 ms 1 1117 0.11 MB/sec execute 48 sec latency 84.229 ms 1 1163 0.11 MB/sec execute 49 sec latency 125.061 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 38160 3566612 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 15652 3583936 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53812 7150548 1% /mnt/lustre 1 1176 0.11 MB/sec execute 50 sec latency 784.958 ms 1 1215 0.11 MB/sec execute 51 sec latency 88.713 ms 1 1244 0.11 MB/sec execute 52 sec latency 100.996 ms 1 1284 0.11 MB/sec execute 53 sec latency 153.227 ms 1 1410 0.16 MB/sec execute 54 sec latency 124.914 ms 1 1419 0.16 MB/sec execute 55 sec latency 879.959 ms 1 1434 0.15 MB/sec execute 56 sec latency 1437.043 ms 1 1497 0.15 MB/sec execute 57 sec latency 56.516 ms 1 1572 0.15 MB/sec execute 58 sec latency 64.739 ms test_26 fail mds2 2 times 1 1619 0.15 MB/sec execute 59 sec latency 106.797 ms 1 1655 0.15 MB/sec execute 60 sec latency 146.193 ms Failing mds2 on oleg232-server 1 1695 0.14 MB/sec execute 61 sec latency 111.274 ms Stopping /mnt/lustre-mds2 (opts:) on oleg232-server 1 1770 0.14 MB/sec execute 62 sec latency 69.467 ms 1 1771 0.14 MB/sec execute 63 sec latency 929.955 ms 1 1771 0.14 MB/sec execute 64 sec latency 1930.201 ms 13:52:03 (1788544323) shut down facet: mds2 facet_host: oleg232-server facet_failover_host: oleg232-server 1 1771 0.14 MB/sec execute 65 sec latency 2932.231 ms 1 1771 0.13 MB/sec execute 66 sec latency 3933.957 ms 1 1771 0.13 MB/sec execute 67 sec latency 4934.241 ms 1 1771 0.13 MB/sec execute 68 sec latency 5934.980 ms 1 1771 0.13 MB/sec execute 69 sec latency 6935.521 ms 1 1771 0.13 MB/sec execute 70 sec latency 7935.891 ms 1 1771 0.12 MB/sec execute 71 sec latency 8936.687 ms 1 1771 0.12 MB/sec execute 72 sec latency 9937.021 ms 1 1771 0.12 MB/sec execute 73 sec latency 10938.715 ms 1 1771 0.12 MB/sec execute 74 sec latency 11938.977 ms Failover mds2 to oleg232-server mount facets: mds2 1 1771 0.12 MB/sec execute 75 sec latency 12943.839 ms 1 1771 0.12 MB/sec execute 76 sec latency 13944.027 ms 1 1771 0.11 MB/sec execute 77 sec latency 14944.401 ms 1 1771 0.11 MB/sec execute 78 sec latency 15948.524 ms 1 1771 0.11 MB/sec execute 79 sec latency 16948.924 ms 1 1771 0.11 MB/sec execute 80 sec latency 17950.827 ms 1 1771 0.11 MB/sec execute 81 sec latency 18952.066 ms 1 1771 0.11 MB/sec execute 82 sec latency 19953.609 ms 1 1771 0.11 MB/sec execute 83 sec latency 20953.774 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1771 0.10 MB/sec execute 84 sec latency 21955.622 ms 1 1771 0.10 MB/sec execute 85 sec latency 22956.888 ms 1 1771 0.10 MB/sec execute 86 sec latency 23957.195 ms 1 1771 0.10 MB/sec execute 87 sec latency 24957.427 ms 1 1771 0.10 MB/sec execute 88 sec latency 25959.477 ms 1 1771 0.10 MB/sec execute 89 sec latency 26959.753 ms 1 1771 0.10 MB/sec execute 90 sec latency 27960.358 ms oleg232-server: oleg232-server.virtnet: executing set_default_debug -1 all 1 1771 0.10 MB/sec execute 91 sec latency 28961.124 ms pdsh@oleg232-client: oleg232-server: ssh exited with exit code 1 1 1771 0.10 MB/sec execute 92 sec latency 29962.217 ms Started lustre-MDT0001 13:52:31 (1788544351) targets are mounted 13:52:31 (1788544351) facet_failover done 1 1771 0.09 MB/sec execute 93 sec latency 30962.990 ms 1 1779 0.09 MB/sec execute 94 sec latency 31571.278 ms 1 1820 0.09 MB/sec execute 95 sec latency 109.140 ms 1 1845 0.09 MB/sec execute 96 sec latency 138.034 ms 1 1884 0.09 MB/sec execute 97 sec latency 153.974 ms 1 1944 0.09 MB/sec execute 98 sec latency 89.655 ms 1 1984 0.09 MB/sec execute 99 sec latency 116.308 ms 1 cleanup 100 sec oleg232-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 104 sec 0 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 272 312.586 35958.866 Close 225 13.602 36.962 Rename 11 107.956 188.387 Unlink 27 26.572 54.827 Qpathinfo 233 15.874 110.638 Qfileinfo 60 1.999 17.508 Qfsinfo 33 3.725 23.774 Sfileinfo 34 65.643 129.377 Find 77 13.340 84.014 WriteX 202 13.224 77.655 ReadX 310 0.244 13.356 Flush 30 60.225 123.799 Throughput 0.0907409 MB/sec 1 clients 1 procs max_latency=35958.885 ms stopping dbench on /mnt/lustre at Fri Sep 4 13:52:44 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2344 1268960 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2580 3604240 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20056 3586652 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22636 7190892 1% /mnt/lustre 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 Sep 4 13:52:52 EDT 2026 waiting for dbench pid 67937 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 27 0.85 MB/sec warmup 1 sec latency 32.997 ms 1 82 1.83 MB/sec warmup 2 sec latency 130.629 ms 1 90 1.40 MB/sec warmup 3 sec latency 934.011 ms 1 113 1.31 MB/sec warmup 4 sec latency 1456.276 ms 1 147 1.25 MB/sec warmup 5 sec latency 156.268 ms 1 184 1.23 MB/sec warmup 6 sec latency 127.225 ms test_26 fail mds1 3 times 1 221 1.22 MB/sec warmup 7 sec latency 364.757 ms 1 264 1.24 MB/sec warmup 8 sec latency 114.987 ms Failing mds1 on oleg232-server 1 292 1.19 MB/sec warmup 9 sec latency 149.709 ms Stopping /mnt/lustre-mds1 (opts:) on oleg232-server 1 323 1.17 MB/sec warmup 10 sec latency 164.978 ms 1 349 1.14 MB/sec warmup 11 sec latency 157.984 ms 1 384 1.13 MB/sec warmup 12 sec latency 194.892 ms 1 422 1.14 MB/sec warmup 13 sec latency 122.095 ms 1 454 1.13 MB/sec warmup 14 sec latency 145.111 ms 13:53:06 (1788544386) shut down facet: mds1 facet_host: oleg232-server facet_failover_host: oleg232-server 1 485 1.13 MB/sec warmup 15 sec latency 139.637 ms 1 501 1.09 MB/sec warmup 16 sec latency 725.926 ms 1 501 1.03 MB/sec warmup 17 sec latency 1727.065 ms 1 501 0.97 MB/sec warmup 18 sec latency 2727.900 ms 1 501 0.92 MB/sec warmup 19 sec latency 3729.701 ms 1 501 0.00 MB/sec execute 1 sec latency 5730.275 ms 1 501 0.00 MB/sec execute 2 sec latency 6732.341 ms 1 501 0.00 MB/sec execute 3 sec latency 7734.449 ms 1 501 0.00 MB/sec execute 4 sec latency 8734.824 ms Failover mds1 to oleg232-server mount facets: mds1 1 501 0.00 MB/sec execute 5 sec latency 9738.245 ms 1 501 0.00 MB/sec execute 6 sec latency 10738.543 ms 1 501 0.00 MB/sec execute 7 sec latency 11738.869 ms 1 501 0.00 MB/sec execute 8 sec latency 12739.507 ms 1 501 0.00 MB/sec execute 9 sec latency 13739.715 ms 1 501 0.00 MB/sec execute 10 sec latency 14753.609 ms 1 501 0.00 MB/sec execute 11 sec latency 15753.930 ms 1 501 0.00 MB/sec execute 12 sec latency 16754.262 ms 1 501 0.00 MB/sec execute 13 sec latency 17758.002 ms 1 501 0.00 MB/sec execute 14 sec latency 18758.513 ms 1 501 0.00 MB/sec execute 15 sec latency 19758.916 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 20759.247 ms 1 501 0.00 MB/sec execute 17 sec latency 21759.759 ms 1 501 0.00 MB/sec execute 18 sec latency 22760.068 ms 1 501 0.00 MB/sec execute 19 sec latency 23761.426 ms 1 501 0.00 MB/sec execute 20 sec latency 24763.339 ms 1 501 0.00 MB/sec execute 21 sec latency 25764.004 ms 1 501 0.00 MB/sec execute 22 sec latency 26764.169 ms 1 501 0.00 MB/sec execute 23 sec latency 27764.773 ms 1 501 0.00 MB/sec execute 24 sec latency 28765.280 ms 1 501 0.00 MB/sec execute 25 sec latency 29766.313 ms oleg232-server: oleg232-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 26 sec latency 30766.699 ms 1 501 0.00 MB/sec execute 27 sec latency 31766.981 ms pdsh@oleg232-client: oleg232-server: ssh exited with exit code 1 1 503 0.00 MB/sec execute 28 sec latency 32678.512 ms Started lustre-MDT0000 13:53:41 (1788544421) targets are mounted 13:53:41 (1788544421) facet_failover done 1 522 0.02 MB/sec execute 29 sec latency 195.669 ms 1 552 0.05 MB/sec execute 30 sec latency 579.128 ms 1 612 0.11 MB/sec execute 31 sec latency 682.313 ms 1 658 0.11 MB/sec execute 32 sec latency 147.115 ms 1 689 0.11 MB/sec execute 33 sec latency 144.202 ms 1 712 0.11 MB/sec execute 34 sec latency 150.499 ms 1 735 0.11 MB/sec execute 35 sec latency 144.827 ms 1 769 0.11 MB/sec execute 36 sec latency 155.056 ms oleg232-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 799 0.11 MB/sec execute 37 sec latency 122.226 ms 1 851 0.11 MB/sec execute 38 sec latency 101.142 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 885 0.11 MB/sec execute 39 sec latency 121.244 ms 1 914 0.11 MB/sec execute 40 sec latency 128.842 ms 1 949 0.11 MB/sec execute 41 sec latency 122.151 ms 1 974 0.10 MB/sec execute 42 sec latency 152.861 ms 1 1028 0.13 MB/sec execute 43 sec latency 112.796 ms 1 1121 0.12 MB/sec execute 44 sec latency 57.509 ms 1 1172 0.12 MB/sec execute 45 sec latency 151.436 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1177 0.12 MB/sec execute 46 sec latency 958.273 ms 1 1224 0.12 MB/sec execute 47 sec latency 99.709 ms 1 1268 0.12 MB/sec execute 48 sec latency 113.341 ms 1 1405 0.17 MB/sec execute 49 sec latency 160.361 ms 1 1459 0.17 MB/sec execute 50 sec latency 102.790 ms 1 1499 0.17 MB/sec execute 51 sec latency 150.203 ms 1 1584 0.17 MB/sec execute 52 sec latency 54.088 ms 1 1643 0.16 MB/sec execute 53 sec latency 79.463 ms 1 1684 0.16 MB/sec execute 54 sec latency 126.723 ms 1 1717 0.16 MB/sec execute 55 sec latency 181.299 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 13:54:08 EDT 2026 with return code 0 67937 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 1 1783 0.16 MB/sec execute 56 sec latency 88.871 ms killed dbench main pid 67937 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished