== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:23:31 (1786418611) Starting client oleg146-client.virtnet: -o user_xattr,flock 192.168.201.146@tcp:/lustre /mnt/lustre Started clients oleg146-client.virtnet: 192.168.201.146@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 45266 Started dbench loop with 45267 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 18432 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7501824 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 Mon Aug 10 23:23:37 EDT 2026 waiting for dbench pid 45334 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 14 0.00 MB/sec warmup 1 sec latency 24.950 ms 1 66 1.44 MB/sec warmup 2 sec latency 159.806 ms 1 111 1.74 MB/sec warmup 3 sec latency 123.184 ms 1 143 1.52 MB/sec warmup 4 sec latency 233.960 ms 1 176 1.41 MB/sec warmup 5 sec latency 142.900 ms test_26 fail mds1 1 times 1 200 1.30 MB/sec warmup 6 sec latency 172.126 ms 1 239 1.30 MB/sec warmup 7 sec latency 185.645 ms Failing mds1 on oleg146-server 1 262 1.24 MB/sec warmup 8 sec latency 218.843 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 292 1.18 MB/sec warmup 9 sec latency 137.293 ms 1 315 1.14 MB/sec warmup 10 sec latency 244.011 ms 1 315 1.04 MB/sec warmup 11 sec latency 1245.593 ms 1 315 0.95 MB/sec warmup 12 sec latency 2247.113 ms 23:23:50 (1786418630) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 315 0.88 MB/sec warmup 13 sec latency 3247.442 ms 1 315 0.82 MB/sec warmup 14 sec latency 4247.725 ms 1 315 0.76 MB/sec warmup 15 sec latency 5248.047 ms 1 315 0.72 MB/sec warmup 16 sec latency 6248.246 ms 1 315 0.67 MB/sec warmup 17 sec latency 7248.523 ms 1 315 0.64 MB/sec warmup 18 sec latency 8248.938 ms 1 315 0.60 MB/sec warmup 19 sec latency 9251.099 ms 1 315 0.00 MB/sec execute 1 sec latency 11251.525 ms 1 315 0.00 MB/sec execute 2 sec latency 12251.996 ms 1 315 0.00 MB/sec execute 3 sec latency 13256.745 ms Failover mds1 to oleg146-server mount facets: mds1 1 315 0.00 MB/sec execute 4 sec latency 14256.967 ms 1 315 0.00 MB/sec execute 5 sec latency 15257.262 ms 1 315 0.00 MB/sec execute 6 sec latency 16257.670 ms 1 315 0.00 MB/sec execute 7 sec latency 17257.930 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 8 sec latency 18258.186 ms 1 315 0.00 MB/sec execute 9 sec latency 19261.288 ms 1 315 0.00 MB/sec execute 10 sec latency 20261.538 ms 1 315 0.00 MB/sec execute 11 sec latency 21264.824 ms 1 315 0.00 MB/sec execute 12 sec latency 22266.088 ms 1 315 0.00 MB/sec execute 13 sec latency 23267.192 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 14 sec latency 24267.688 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 15 sec latency 25268.038 ms Started lustre-MDT0000 23:24:13 (1786418653) targets are mounted 23:24:13 (1786418653) facet_failover done 1 315 0.00 MB/sec execute 16 sec latency 26268.374 ms 1 315 0.00 MB/sec execute 17 sec latency 27275.801 ms 1 315 0.00 MB/sec execute 18 sec latency 28276.350 ms 1 315 0.00 MB/sec execute 19 sec latency 29276.552 ms 1 315 0.00 MB/sec execute 20 sec latency 30281.776 ms 1 315 0.00 MB/sec execute 21 sec latency 31282.027 ms 1 315 0.00 MB/sec execute 22 sec latency 32283.100 ms 1 315 0.00 MB/sec execute 23 sec latency 33284.534 ms 1 315 0.00 MB/sec execute 24 sec latency 34286.044 ms 1 315 0.00 MB/sec execute 25 sec latency 35286.361 ms 1 315 0.00 MB/sec execute 26 sec latency 36288.245 ms 1 315 0.00 MB/sec execute 27 sec latency 37288.550 ms 1 315 0.00 MB/sec execute 28 sec latency 38288.879 ms 1 315 0.00 MB/sec execute 29 sec latency 39289.128 ms 1 315 0.00 MB/sec execute 30 sec latency 40292.703 ms 1 342 0.03 MB/sec execute 31 sec latency 40503.046 ms 1 390 0.07 MB/sec execute 32 sec latency 106.718 ms 1 436 0.12 MB/sec execute 33 sec latency 110.007 ms 1 477 0.15 MB/sec execute 34 sec latency 109.247 ms 1 509 0.18 MB/sec execute 35 sec latency 147.161 ms oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 576 0.22 MB/sec execute 36 sec latency 127.836 ms 1 618 0.26 MB/sec execute 37 sec latency 150.763 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.25 MB/sec execute 38 sec latency 122.153 ms 1 678 0.25 MB/sec execute 39 sec latency 177.844 ms 1 718 0.24 MB/sec execute 40 sec latency 133.764 ms 1 738 0.24 MB/sec execute 41 sec latency 240.049 ms 1 778 0.23 MB/sec execute 42 sec latency 104.905 ms 1 798 0.23 MB/sec execute 43 sec latency 253.677 ms 1 816 0.23 MB/sec execute 44 sec latency 199.146 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3707904 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3698688 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7406592 1% /mnt/lustre 1 863 0.22 MB/sec execute 45 sec latency 153.656 ms 1 882 0.22 MB/sec execute 46 sec latency 313.820 ms 1 910 0.22 MB/sec execute 47 sec latency 172.061 ms 1 923 0.21 MB/sec execute 48 sec latency 349.018 ms 1 952 0.21 MB/sec execute 49 sec latency 128.046 ms 1 980 0.21 MB/sec execute 50 sec latency 122.146 ms 1 1029 0.22 MB/sec execute 51 sec latency 251.658 ms test_26 fail mds1 2 times 1 1067 0.22 MB/sec execute 52 sec latency 72.256 ms 1 1103 0.22 MB/sec execute 53 sec latency 115.938 ms 1 1135 0.21 MB/sec execute 54 sec latency 118.550 ms Failing mds1 on oleg146-server 1 1160 0.21 MB/sec execute 55 sec latency 154.853 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 1190 0.21 MB/sec execute 56 sec latency 151.121 ms 1 1225 0.20 MB/sec execute 57 sec latency 112.959 ms 1 1225 0.20 MB/sec execute 58 sec latency 1015.779 ms 1 1225 0.20 MB/sec execute 59 sec latency 2017.248 ms 1 1225 0.19 MB/sec execute 60 sec latency 3017.474 ms 23:24:58 (1786418698) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 1225 0.19 MB/sec execute 61 sec latency 4017.740 ms 1 1225 0.19 MB/sec execute 62 sec latency 5019.092 ms 1 1225 0.18 MB/sec execute 63 sec latency 6019.311 ms 1 1225 0.18 MB/sec execute 64 sec latency 7019.607 ms 1 1225 0.18 MB/sec execute 65 sec latency 8019.797 ms 1 1225 0.18 MB/sec execute 66 sec latency 9020.118 ms 1 1225 0.17 MB/sec execute 67 sec latency 10020.338 ms 1 1225 0.17 MB/sec execute 68 sec latency 11021.485 ms 1 1225 0.17 MB/sec execute 69 sec latency 12023.068 ms 1 1225 0.17 MB/sec execute 70 sec latency 13023.281 ms 1 1225 0.16 MB/sec execute 71 sec latency 14028.135 ms Failover mds1 to oleg146-server mount facets: mds1 1 1225 0.16 MB/sec execute 72 sec latency 15028.352 ms 1 1225 0.16 MB/sec execute 73 sec latency 16028.614 ms 1 1225 0.16 MB/sec execute 74 sec latency 17030.382 ms 1 1225 0.15 MB/sec execute 75 sec latency 18033.933 ms 1 1225 0.15 MB/sec execute 76 sec latency 19036.578 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1225 0.15 MB/sec execute 77 sec latency 20036.867 ms 1 1225 0.15 MB/sec execute 78 sec latency 21037.093 ms 1 1225 0.15 MB/sec execute 79 sec latency 22037.310 ms 1 1225 0.14 MB/sec execute 80 sec latency 23037.871 ms 1 1225 0.14 MB/sec execute 81 sec latency 24038.457 ms 1 1225 0.14 MB/sec execute 82 sec latency 25038.685 ms 1 1225 0.14 MB/sec execute 83 sec latency 26039.651 ms 1 1225 0.14 MB/sec execute 84 sec latency 27040.059 ms 1 1225 0.14 MB/sec execute 85 sec latency 28041.710 ms 1 1225 0.13 MB/sec execute 86 sec latency 29042.065 ms 1 1225 0.13 MB/sec execute 87 sec latency 30042.316 ms 1 1225 0.13 MB/sec execute 88 sec latency 31042.840 ms 1 1225 0.13 MB/sec execute 89 sec latency 32043.168 ms 1 1225 0.13 MB/sec execute 90 sec latency 33044.347 ms 1 1225 0.13 MB/sec execute 91 sec latency 34044.666 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 1225 0.13 MB/sec execute 92 sec latency 35048.226 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 1225 0.12 MB/sec execute 93 sec latency 36048.509 ms Started lustre-MDT0000 23:25:31 (1786418731) targets are mounted 23:25:31 (1786418731) facet_failover done 1 1225 0.12 MB/sec execute 94 sec latency 37048.768 ms 1 1225 0.12 MB/sec execute 95 sec latency 38049.854 ms 1 1225 0.12 MB/sec execute 96 sec latency 39050.536 ms 1 1225 0.12 MB/sec execute 97 sec latency 40050.816 ms 1 1231 0.12 MB/sec execute 98 sec latency 40786.894 ms 1 1263 0.12 MB/sec execute 99 sec latency 134.658 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 146 353.127 40503.026 Close 131 15.940 52.162 Rename 10 105.884 172.013 Unlink 17 36.751 62.337 Qpathinfo 95 458.384 40786.878 Qfileinfo 56 2.182 12.082 Qfsinfo 33 5.992 36.048 Sfileinfo 34 72.734 127.598 Find 46 9.749 101.396 WriteX 267 12.692 65.079 ReadX 223 4.294 124.151 Flush 24 161.845 348.998 Throughput 0.117284 MB/sec 1 clients 1 procs max_latency=40786.894 ms stopping dbench on /mnt/lustre at Mon Aug 10 23:25:42 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-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 Mon Aug 10 23:25:49 EDT 2026 waiting for dbench pid 47330 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 36 1.18 MB/sec warmup 1 sec latency 154.948 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3735552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3704832 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7440384 1% /mnt/lustre 1 80 1.76 MB/sec warmup 2 sec latency 148.294 ms 1 114 1.74 MB/sec warmup 3 sec latency 230.220 ms 1 139 1.50 MB/sec warmup 4 sec latency 159.738 ms 1 173 1.40 MB/sec warmup 5 sec latency 167.502 ms 1 197 1.30 MB/sec warmup 6 sec latency 197.430 ms 1 239 1.30 MB/sec warmup 7 sec latency 145.043 ms 1 272 1.27 MB/sec warmup 8 sec latency 117.796 ms test_26 fail mds1 3 times 1 297 1.21 MB/sec warmup 9 sec latency 150.100 ms 1 323 1.17 MB/sec warmup 10 sec latency 162.125 ms Failing mds1 on oleg146-server 1 349 1.13 MB/sec warmup 11 sec latency 226.086 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 378 1.11 MB/sec warmup 12 sec latency 163.225 ms 1 412 1.12 MB/sec warmup 13 sec latency 126.951 ms 1 412 1.04 MB/sec warmup 14 sec latency 1117.109 ms 1 412 0.97 MB/sec warmup 15 sec latency 2120.970 ms 23:26:05 (1786418765) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 412 0.91 MB/sec warmup 16 sec latency 3124.092 ms 1 412 0.86 MB/sec warmup 17 sec latency 4124.368 ms 1 412 0.81 MB/sec warmup 18 sec latency 5124.702 ms 1 412 0.77 MB/sec warmup 19 sec latency 6125.356 ms 1 412 0.00 MB/sec execute 1 sec latency 8126.893 ms 1 412 0.00 MB/sec execute 2 sec latency 9128.379 ms 1 412 0.00 MB/sec execute 3 sec latency 10129.640 ms 1 412 0.00 MB/sec execute 4 sec latency 11129.928 ms 1 412 0.00 MB/sec execute 5 sec latency 12130.151 ms Failover mds1 to oleg146-server mount facets: mds1 1 412 0.00 MB/sec execute 6 sec latency 13135.558 ms 1 412 0.00 MB/sec execute 7 sec latency 14137.272 ms 1 412 0.00 MB/sec execute 8 sec latency 15137.491 ms 1 412 0.00 MB/sec execute 9 sec latency 16137.803 ms 1 412 0.00 MB/sec execute 10 sec latency 17148.091 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 412 0.00 MB/sec execute 11 sec latency 18148.353 ms 1 412 0.00 MB/sec execute 12 sec latency 19153.761 ms 1 412 0.00 MB/sec execute 13 sec latency 20154.299 ms 1 412 0.00 MB/sec execute 14 sec latency 21154.543 ms 1 412 0.00 MB/sec execute 15 sec latency 22157.115 ms 1 412 0.00 MB/sec execute 16 sec latency 23159.636 ms 1 412 0.00 MB/sec execute 17 sec latency 24159.988 ms 1 412 0.00 MB/sec execute 18 sec latency 25160.307 ms 1 412 0.00 MB/sec execute 19 sec latency 26160.648 ms 1 412 0.00 MB/sec execute 20 sec latency 27165.511 ms 1 412 0.00 MB/sec execute 21 sec latency 28165.746 ms 1 412 0.00 MB/sec execute 22 sec latency 29166.942 ms 1 412 0.00 MB/sec execute 23 sec latency 30167.577 ms 1 412 0.00 MB/sec execute 24 sec latency 31168.641 ms 1 412 0.00 MB/sec execute 25 sec latency 32169.116 ms 1 412 0.00 MB/sec execute 26 sec latency 33171.527 ms 1 412 0.00 MB/sec execute 27 sec latency 34171.863 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 412 0.00 MB/sec execute 28 sec latency 35172.035 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 412 0.00 MB/sec execute 29 sec latency 36172.288 ms Started lustre-MDT0000 23:26:39 (1786418799) targets are mounted 23:26:39 (1786418799) facet_failover done 1 412 0.00 MB/sec execute 30 sec latency 37172.737 ms 1 412 0.00 MB/sec execute 31 sec latency 38173.050 ms 1 412 0.00 MB/sec execute 32 sec latency 39173.272 ms 1 412 0.00 MB/sec execute 33 sec latency 40173.465 ms 1 412 0.00 MB/sec execute 34 sec latency 41173.677 ms 1 412 0.00 MB/sec execute 35 sec latency 42176.998 ms 1 429 0.01 MB/sec execute 36 sec latency 42378.591 ms 1 466 0.05 MB/sec execute 37 sec latency 151.748 ms 1 497 0.07 MB/sec execute 38 sec latency 160.265 ms 1 522 0.09 MB/sec execute 39 sec latency 149.605 ms 1 585 0.14 MB/sec execute 40 sec latency 210.891 ms oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 640 0.16 MB/sec execute 41 sec latency 146.789 ms 1 668 0.16 MB/sec execute 42 sec latency 332.942 ms 1 689 0.15 MB/sec execute 43 sec latency 168.922 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 714 0.15 MB/sec execute 44 sec latency 130.909 ms 1 731 0.15 MB/sec execute 45 sec latency 302.984 ms 1 773 0.15 MB/sec execute 46 sec latency 146.255 ms 1 798 0.15 MB/sec execute 47 sec latency 226.771 ms 1 821 0.14 MB/sec execute 48 sec latency 181.774 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 873 0.14 MB/sec execute 49 sec latency 146.148 ms 1 902 0.14 MB/sec execute 50 sec latency 284.458 ms 1 920 0.14 MB/sec execute 51 sec latency 314.180 ms 1 962 0.14 MB/sec execute 52 sec latency 114.771 ms 1 983 0.14 MB/sec execute 53 sec latency 434.895 ms 1 1051 0.15 MB/sec execute 54 sec latency 98.714 ms 1 1117 0.15 MB/sec execute 55 sec latency 69.834 ms 1 1147 0.15 MB/sec execute 56 sec latency 118.498 ms 1 1190 0.15 MB/sec execute 57 sec latency 147.933 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 10 23:27:07 EDT 2026 with return code 0 1 1223 0.15 MB/sec execute 58 sec latency 104.269 ms 47330 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47330 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished