== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:38:20 (1787362700) Starting client oleg312-client.virtnet: -o user_xattr,flock 192.168.203.112@tcp:/lustre /mnt/lustre Started clients oleg312-client.virtnet: 192.168.203.112@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 45167 Started dbench loop with 45168 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 14336 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7494656 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 21 21:38:27 EDT 2026 waiting for dbench pid 45236 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 20 0.39 MB/sec warmup 1 sec latency 27.865 ms 1 71 1.57 MB/sec warmup 2 sec latency 125.113 ms 1 113 1.75 MB/sec warmup 3 sec latency 238.060 ms 1 148 1.57 MB/sec warmup 4 sec latency 169.160 ms 1 186 1.49 MB/sec warmup 5 sec latency 207.895 ms test_26 fail mds1 1 times 1 224 1.44 MB/sec warmup 6 sec latency 123.492 ms 1 263 1.42 MB/sec warmup 7 sec latency 176.402 ms Failing mds1 on oleg312-server 1 293 1.34 MB/sec warmup 8 sec latency 133.396 ms Stopping /mnt/lustre-mds1 (opts:) on oleg312-server 1 319 1.28 MB/sec warmup 9 sec latency 159.860 ms 1 356 1.28 MB/sec warmup 10 sec latency 127.183 ms 1 356 1.16 MB/sec warmup 11 sec latency 1045.937 ms 1 356 1.06 MB/sec warmup 12 sec latency 2046.223 ms 21:38:40 (1787362720) shut down 1 356 0.98 MB/sec warmup 13 sec latency 3051.708 ms facet: mds1 facet_host: oleg312-server facet_failover_host: oleg312-server 1 356 0.91 MB/sec warmup 14 sec latency 4053.479 ms 1 356 0.85 MB/sec warmup 15 sec latency 5053.738 ms 1 356 0.80 MB/sec warmup 16 sec latency 6054.008 ms 1 356 0.75 MB/sec warmup 17 sec latency 7054.262 ms 1 356 0.71 MB/sec warmup 18 sec latency 8054.472 ms 1 356 0.67 MB/sec warmup 19 sec latency 9055.135 ms 1 356 0.00 MB/sec execute 1 sec latency 11056.349 ms 1 356 0.00 MB/sec execute 2 sec latency 12056.561 ms 1 356 0.00 MB/sec execute 3 sec latency 13056.855 ms Failover mds1 to oleg312-server mount facets: mds1 1 356 0.00 MB/sec execute 4 sec latency 14057.373 ms 1 356 0.00 MB/sec execute 5 sec latency 15057.582 ms 1 356 0.00 MB/sec execute 6 sec latency 16061.246 ms 1 356 0.00 MB/sec execute 7 sec latency 17062.300 ms 1 356 0.00 MB/sec execute 8 sec latency 18062.625 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 356 0.00 MB/sec execute 9 sec latency 19062.882 ms 1 356 0.00 MB/sec execute 10 sec latency 20063.496 ms 1 356 0.00 MB/sec execute 11 sec latency 21064.179 ms 1 356 0.00 MB/sec execute 12 sec latency 22065.015 ms 1 356 0.00 MB/sec execute 13 sec latency 23065.240 ms 1 356 0.00 MB/sec execute 14 sec latency 24065.457 ms 1 356 0.00 MB/sec execute 15 sec latency 25065.691 ms 1 356 0.00 MB/sec execute 16 sec latency 26065.937 ms 1 356 0.00 MB/sec execute 17 sec latency 27066.404 ms 1 356 0.00 MB/sec execute 18 sec latency 28067.274 ms 1 356 0.00 MB/sec execute 19 sec latency 29067.560 ms 1 356 0.00 MB/sec execute 20 sec latency 30068.030 ms 1 356 0.00 MB/sec execute 21 sec latency 31072.848 ms 1 356 0.00 MB/sec execute 22 sec latency 32074.222 ms 1 356 0.00 MB/sec execute 23 sec latency 33075.996 ms oleg312-server: oleg312-server.virtnet: executing set_default_debug -1 all 1 356 0.00 MB/sec execute 24 sec latency 34076.604 ms 1 356 0.00 MB/sec execute 25 sec latency 35077.271 ms pdsh@oleg312-client: oleg312-server: ssh exited with exit code 1 1 356 0.00 MB/sec execute 26 sec latency 36077.704 ms Started lustre-MDT0000 21:39:13 (1787362753) targets are mounted 21:39:13 (1787362753) facet_failover done 1 356 0.00 MB/sec execute 27 sec latency 37077.938 ms 1 356 0.00 MB/sec execute 28 sec latency 38078.409 ms 1 356 0.00 MB/sec execute 29 sec latency 39078.907 ms 1 356 0.00 MB/sec execute 30 sec latency 40079.146 ms 1 356 0.00 MB/sec execute 31 sec latency 41082.712 ms 1 356 0.00 MB/sec execute 32 sec latency 42082.876 ms 1 356 0.00 MB/sec execute 33 sec latency 43083.103 ms 1 397 0.04 MB/sec execute 34 sec latency 43146.247 ms 1 437 0.07 MB/sec execute 35 sec latency 157.033 ms 1 477 0.11 MB/sec execute 36 sec latency 106.300 ms 1 513 0.13 MB/sec execute 37 sec latency 160.878 ms oleg312-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 607 0.22 MB/sec execute 38 sec latency 148.848 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 658 0.21 MB/sec execute 39 sec latency 91.561 ms 1 673 0.21 MB/sec execute 40 sec latency 186.044 ms 1 697 0.20 MB/sec execute 41 sec latency 159.156 ms 1 721 0.20 MB/sec execute 42 sec latency 143.331 ms 1 745 0.20 MB/sec execute 43 sec latency 197.790 ms 1 779 0.19 MB/sec execute 44 sec latency 161.250 ms 1 796 0.19 MB/sec execute 45 sec latency 364.756 ms 1 816 0.19 MB/sec execute 46 sec latency 141.484 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3701760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3707904 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7409664 1% /mnt/lustre 1 860 0.19 MB/sec execute 47 sec latency 139.530 ms 1 878 0.18 MB/sec execute 48 sec latency 350.134 ms 1 905 0.18 MB/sec execute 49 sec latency 143.270 ms 1 921 0.18 MB/sec execute 50 sec latency 271.729 ms 1 957 0.18 MB/sec execute 51 sec latency 200.228 ms 1 980 0.17 MB/sec execute 52 sec latency 192.206 ms test_26 fail mds1 2 times 1 1008 0.18 MB/sec execute 53 sec latency 250.284 ms 1 1050 0.19 MB/sec execute 54 sec latency 143.542 ms 1 1082 0.18 MB/sec execute 55 sec latency 199.488 ms Failing mds1 on oleg312-server 1 1134 0.18 MB/sec execute 56 sec latency 128.890 ms Stopping /mnt/lustre-mds1 (opts:) on oleg312-server 1 1172 0.18 MB/sec execute 57 sec latency 132.646 ms 1 1190 0.18 MB/sec execute 58 sec latency 390.061 ms 1 1190 0.17 MB/sec execute 59 sec latency 1391.197 ms 1 1190 0.17 MB/sec execute 60 sec latency 2391.531 ms 21:39:47 (1787362787) shut down facet: mds1 facet_host: oleg312-server facet_failover_host: oleg312-server 1 1190 0.17 MB/sec execute 61 sec latency 3392.051 ms 1 1190 0.17 MB/sec execute 62 sec latency 4395.477 ms 1 1190 0.16 MB/sec execute 63 sec latency 5395.695 ms 1 1190 0.16 MB/sec execute 64 sec latency 6396.350 ms 1 1190 0.16 MB/sec execute 65 sec latency 7397.165 ms 1 1190 0.16 MB/sec execute 66 sec latency 8398.044 ms 1 1190 0.15 MB/sec execute 67 sec latency 9398.278 ms 1 1190 0.15 MB/sec execute 68 sec latency 10398.510 ms 1 1190 0.15 MB/sec execute 69 sec latency 11398.773 ms 1 1190 0.15 MB/sec execute 70 sec latency 12398.999 ms Failover mds1 to oleg312-server mount facets: mds1 1 1190 0.14 MB/sec execute 71 sec latency 13402.489 ms 1 1190 0.14 MB/sec execute 72 sec latency 14402.895 ms 1 1190 0.14 MB/sec execute 73 sec latency 15405.178 ms 1 1190 0.14 MB/sec execute 74 sec latency 16405.418 ms 1 1190 0.14 MB/sec execute 75 sec latency 17405.889 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1190 0.13 MB/sec execute 76 sec latency 18406.258 ms 1 1190 0.13 MB/sec execute 77 sec latency 19408.662 ms 1 1190 0.13 MB/sec execute 78 sec latency 20408.870 ms 1 1190 0.13 MB/sec execute 79 sec latency 21409.618 ms 1 1190 0.13 MB/sec execute 80 sec latency 22410.027 ms 1 1190 0.13 MB/sec execute 81 sec latency 23410.295 ms 1 1190 0.12 MB/sec execute 82 sec latency 24412.292 ms 1 1190 0.12 MB/sec execute 83 sec latency 25414.186 ms 1 1190 0.12 MB/sec execute 84 sec latency 26414.906 ms 1 1190 0.12 MB/sec execute 85 sec latency 27415.532 ms 1 1190 0.12 MB/sec execute 86 sec latency 28415.803 ms 1 1190 0.12 MB/sec execute 87 sec latency 29416.207 ms 1 1190 0.12 MB/sec execute 88 sec latency 30417.651 ms 1 1190 0.12 MB/sec execute 89 sec latency 31417.921 ms oleg312-server: oleg312-server.virtnet: executing set_default_debug -1 all 1 1190 0.11 MB/sec execute 90 sec latency 32419.820 ms pdsh@oleg312-client: oleg312-server: ssh exited with exit code 1 1 1190 0.11 MB/sec execute 91 sec latency 33419.999 ms Started lustre-MDT0000 21:40:19 (1787362819) targets are mounted 21:40:19 (1787362819) facet_failover done 1 1190 0.11 MB/sec execute 92 sec latency 34420.205 ms 1 1190 0.11 MB/sec execute 93 sec latency 35420.445 ms 1 1190 0.11 MB/sec execute 94 sec latency 36420.736 ms 1 1190 0.11 MB/sec execute 95 sec latency 37421.053 ms 1 1190 0.11 MB/sec execute 96 sec latency 38421.653 ms 1 1190 0.11 MB/sec execute 97 sec latency 39422.161 ms 1 1190 0.10 MB/sec execute 98 sec latency 40425.035 ms 1 1190 0.10 MB/sec execute 99 sec latency 41425.438 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 118 449.257 42967.802 Close 108 414.452 43146.216 Rename 7 104.479 192.129 Unlink 13 29.273 49.559 Qpathinfo 70 30.181 199.459 Qfileinfo 49 1.456 8.644 Qfsinfo 28 5.726 38.694 Sfileinfo 25 72.049 129.872 Find 36 9.031 35.240 WriteX 235 12.468 83.147 ReadX 122 5.495 131.923 Flush 24 156.245 364.739 Throughput 0.103415 MB/sec 1 clients 1 procs max_latency=43146.247 ms stopping dbench on /mnt/lustre at Fri Aug 21 21:40:31 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg312-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 Fri Aug 21 21:40:37 EDT 2026 waiting for dbench pid 47183 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 93.294 ms 1 110 2.62 MB/sec warmup 2 sec latency 156.329 ms 1 139 2.01 MB/sec warmup 3 sec latency 184.216 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3745792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3696640 1% /mnt/lustre[OST:1] 1 166 1.70 MB/sec warmup 4 sec latency 165.133 ms filesystem_summary: 7542784 45056 7442432 1% /mnt/lustre 1 199 1.57 MB/sec warmup 5 sec latency 136.687 ms 1 253 1.60 MB/sec warmup 6 sec latency 107.916 ms 1 297 1.56 MB/sec warmup 7 sec latency 110.045 ms 1 339 1.53 MB/sec warmup 8 sec latency 119.205 ms 1 389 1.53 MB/sec warmup 9 sec latency 111.675 ms test_26 fail mds1 3 times 1 429 1.51 MB/sec warmup 10 sec latency 135.500 ms 1 466 1.48 MB/sec warmup 11 sec latency 116.878 ms Failing mds1 on oleg312-server 1 493 1.43 MB/sec warmup 12 sec latency 209.074 ms Stopping /mnt/lustre-mds1 (opts:) on oleg312-server 1 522 1.39 MB/sec warmup 13 sec latency 145.722 ms 1 600 1.49 MB/sec warmup 14 sec latency 282.242 ms 1 600 1.40 MB/sec warmup 15 sec latency 1282.470 ms 1 600 1.31 MB/sec warmup 16 sec latency 2282.660 ms 21:40:54 (1787362854) shut down facet: mds1 facet_host: oleg312-server facet_failover_host: oleg312-server 1 600 1.23 MB/sec warmup 17 sec latency 3283.421 ms 1 600 1.16 MB/sec warmup 18 sec latency 4283.662 ms 1 600 1.10 MB/sec warmup 19 sec latency 5284.054 ms 1 600 0.00 MB/sec execute 1 sec latency 7284.406 ms 1 600 0.00 MB/sec execute 2 sec latency 8284.825 ms 1 600 0.00 MB/sec execute 3 sec latency 9287.322 ms 1 600 0.00 MB/sec execute 4 sec latency 10287.583 ms 1 600 0.00 MB/sec execute 5 sec latency 11288.277 ms 1 600 0.00 MB/sec execute 6 sec latency 12288.493 ms 1 600 0.00 MB/sec execute 7 sec latency 13288.913 ms Failover mds1 to oleg312-server mount facets: mds1 1 600 0.00 MB/sec execute 8 sec latency 14291.923 ms 1 600 0.00 MB/sec execute 9 sec latency 15293.241 ms 1 600 0.00 MB/sec execute 10 sec latency 16293.462 ms 1 600 0.00 MB/sec execute 11 sec latency 17293.630 ms 1 600 0.00 MB/sec execute 12 sec latency 18295.644 ms 1 600 0.00 MB/sec execute 13 sec latency 19297.737 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 14 sec latency 20298.942 ms 1 600 0.00 MB/sec execute 15 sec latency 21299.835 ms 1 600 0.00 MB/sec execute 16 sec latency 22300.066 ms 1 600 0.00 MB/sec execute 17 sec latency 23303.648 ms 1 600 0.00 MB/sec execute 18 sec latency 24306.875 ms 1 600 0.00 MB/sec execute 19 sec latency 25307.261 ms 1 600 0.00 MB/sec execute 20 sec latency 26308.408 ms 1 600 0.00 MB/sec execute 21 sec latency 27308.632 ms 1 600 0.00 MB/sec execute 22 sec latency 28308.886 ms 1 600 0.00 MB/sec execute 23 sec latency 29309.162 ms 1 600 0.00 MB/sec execute 24 sec latency 30309.395 ms 1 600 0.00 MB/sec execute 25 sec latency 31309.912 ms 1 600 0.00 MB/sec execute 26 sec latency 32310.812 ms 1 600 0.00 MB/sec execute 27 sec latency 33312.033 ms 1 600 0.00 MB/sec execute 28 sec latency 34314.102 ms 1 600 0.00 MB/sec execute 29 sec latency 35314.430 ms 1 600 0.00 MB/sec execute 30 sec latency 36315.035 ms oleg312-server: oleg312-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 31 sec latency 37315.246 ms pdsh@oleg312-client: oleg312-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 32 sec latency 38315.447 ms Started lustre-MDT0000 21:41:29 (1787362889) targets are mounted 21:41:29 (1787362889) facet_failover done 1 600 0.00 MB/sec execute 33 sec latency 39315.845 ms 1 600 0.00 MB/sec execute 34 sec latency 40316.377 ms 1 600 0.00 MB/sec execute 35 sec latency 41323.821 ms 1 601 0.00 MB/sec execute 36 sec latency 42300.451 ms 1 649 0.00 MB/sec execute 37 sec latency 163.580 ms 1 669 0.01 MB/sec execute 38 sec latency 318.194 ms 1 695 0.01 MB/sec execute 39 sec latency 131.068 ms 1 721 0.01 MB/sec execute 40 sec latency 158.265 ms 1 736 0.01 MB/sec execute 41 sec latency 314.222 ms oleg312-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.01 MB/sec execute 42 sec latency 113.976 ms 1 796 0.01 MB/sec execute 43 sec latency 226.213 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.01 MB/sec execute 44 sec latency 197.975 ms 1 851 0.01 MB/sec execute 45 sec latency 156.967 ms 1 873 0.01 MB/sec execute 46 sec latency 309.393 ms 1 900 0.02 MB/sec execute 47 sec latency 365.765 ms 1 916 0.02 MB/sec execute 48 sec latency 340.567 ms 1 949 0.02 MB/sec execute 49 sec latency 179.066 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 980 0.02 MB/sec execute 50 sec latency 178.012 ms 1 995 0.02 MB/sec execute 51 sec latency 315.773 ms 1 1038 0.04 MB/sec execute 52 sec latency 220.095 ms 1 1095 0.04 MB/sec execute 53 sec latency 78.037 ms 1 1138 0.04 MB/sec execute 54 sec latency 110.641 ms 1 1181 0.04 MB/sec execute 55 sec latency 123.683 ms 1 1215 0.04 MB/sec execute 56 sec latency 119.664 ms 1 1244 0.04 MB/sec execute 57 sec latency 125.212 ms 1 1275 0.04 MB/sec execute 58 sec latency 135.047 ms 1 1403 0.09 MB/sec execute 59 sec latency 72.596 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 21 21:41:57 EDT 2026 with return code 0 1 1446 0.08 MB/sec execute 60 sec latency 101.356 ms 47183 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47183 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished