== replay-dual test 26: dbench and tar with mds failover ========================================================== 06:36:04 (1783938964) Starting client oleg346-client.virtnet: -o user_xattr,flock 192.168.203.146@tcp:/lustre /mnt/lustre Started clients oleg346-client.virtnet: 192.168.203.146@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65704 Started dbench loop with 65705 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/usr/share/dbench/client.txt' -> 'client.txt' UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3580644 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7186100 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Jul 13 06:36:09 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 10 0.00 MB/sec warmup 1 sec latency 26.719 ms 1 63 1.34 MB/sec warmup 2 sec latency 126.512 ms 1 120 1.83 MB/sec warmup 3 sec latency 123.373 ms 1 148 1.57 MB/sec warmup 4 sec latency 170.606 ms 1 182 1.46 MB/sec warmup 5 sec latency 173.528 ms 1 207 1.35 MB/sec warmup 6 sec latency 462.663 ms 1 246 1.34 MB/sec warmup 7 sec latency 127.313 ms 1 289 1.34 MB/sec warmup 8 sec latency 125.246 ms 1 331 1.33 MB/sec warmup 9 sec latency 124.123 ms test_26 fail mds1 1 times 1 373 1.33 MB/sec warmup 10 sec latency 115.898 ms 1 405 1.30 MB/sec warmup 11 sec latency 119.513 ms Failing mds1 on oleg346-server 1 445 1.30 MB/sec warmup 12 sec latency 162.006 ms Stopping /mnt/lustre-mds1 (opts:) on oleg346-server 1 477 1.28 MB/sec warmup 13 sec latency 141.808 ms 1 500 1.25 MB/sec warmup 14 sec latency 460.010 ms 1 500 1.16 MB/sec warmup 15 sec latency 1460.215 ms 06:36:25 (1783938985) shut down facet: mds1 facet_host: oleg346-server facet_failover_host: oleg346-server 1 500 1.09 MB/sec warmup 16 sec latency 2461.005 ms 1 500 1.03 MB/sec warmup 17 sec latency 3461.301 ms 1 500 0.97 MB/sec warmup 18 sec latency 4462.018 ms 1 500 0.92 MB/sec warmup 19 sec latency 5463.421 ms 1 500 0.00 MB/sec execute 1 sec latency 7463.835 ms 1 500 0.00 MB/sec execute 2 sec latency 8464.072 ms 1 500 0.00 MB/sec execute 3 sec latency 9464.286 ms 1 500 0.00 MB/sec execute 4 sec latency 10464.546 ms 1 500 0.00 MB/sec execute 5 sec latency 11465.241 ms 1 500 0.00 MB/sec execute 6 sec latency 12465.687 ms Failover mds1 to oleg346-server mount facets: mds1 1 500 0.00 MB/sec execute 7 sec latency 13466.291 ms 1 500 0.00 MB/sec execute 8 sec latency 14466.584 ms 1 500 0.00 MB/sec execute 9 sec latency 15466.745 ms 1 500 0.00 MB/sec execute 10 sec latency 16467.007 ms 1 500 0.00 MB/sec execute 11 sec latency 17471.791 ms 1 500 0.00 MB/sec execute 12 sec latency 18472.317 ms 1 500 0.00 MB/sec execute 13 sec latency 19483.652 ms 1 500 0.00 MB/sec execute 14 sec latency 20483.859 ms 1 500 0.00 MB/sec execute 15 sec latency 21484.281 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 500 0.00 MB/sec execute 16 sec latency 22485.288 ms 1 500 0.00 MB/sec execute 17 sec latency 23487.613 ms 1 500 0.00 MB/sec execute 18 sec latency 24488.076 ms 1 500 0.00 MB/sec execute 19 sec latency 25488.478 ms 1 500 0.00 MB/sec execute 20 sec latency 26489.456 ms 1 500 0.00 MB/sec execute 21 sec latency 27489.687 ms 1 500 0.00 MB/sec execute 22 sec latency 28493.001 ms 1 500 0.00 MB/sec execute 23 sec latency 29493.695 ms 1 500 0.00 MB/sec execute 24 sec latency 30493.959 ms 1 500 0.00 MB/sec execute 25 sec latency 31494.607 ms 1 500 0.00 MB/sec execute 26 sec latency 32494.873 ms 1 500 0.00 MB/sec execute 27 sec latency 33495.958 ms oleg346-server: oleg346-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 28 sec latency 34496.169 ms pdsh@oleg346-client: oleg346-server: ssh exited with exit code 1 1 500 0.00 MB/sec execute 29 sec latency 35497.240 ms Started lustre-MDT0000 06:36:58 (1783939018) targets are mounted 06:36:58 (1783939018) facet_failover done 1 500 0.00 MB/sec execute 30 sec latency 36497.749 ms 1 503 0.00 MB/sec execute 31 sec latency 37331.679 ms 1 575 0.06 MB/sec execute 32 sec latency 149.240 ms 1 642 0.11 MB/sec execute 33 sec latency 66.404 ms 1 686 0.11 MB/sec execute 34 sec latency 109.818 ms 1 730 0.11 MB/sec execute 35 sec latency 90.282 ms oleg346-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 765 0.11 MB/sec execute 36 sec latency 96.047 ms 1 799 0.11 MB/sec execute 37 sec latency 104.008 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 849 0.11 MB/sec execute 38 sec latency 108.381 ms 1 878 0.11 MB/sec execute 39 sec latency 139.331 ms 1 884 0.11 MB/sec execute 40 sec latency 818.751 ms 1 890 0.10 MB/sec execute 41 sec latency 1414.946 ms 1 919 0.10 MB/sec execute 42 sec latency 131.907 ms 1 960 0.10 MB/sec execute 43 sec latency 146.610 ms 1 988 0.10 MB/sec execute 44 sec latency 109.397 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1932 1269372 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13340 3591552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45404 3556952 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58744 7148504 1% /mnt/lustre 1 1054 0.12 MB/sec execute 45 sec latency 83.829 ms 1 1099 0.12 MB/sec execute 46 sec latency 96.985 ms 1 1134 0.12 MB/sec execute 47 sec latency 81.715 ms 1 1167 0.12 MB/sec execute 48 sec latency 166.764 ms 1 1199 0.11 MB/sec execute 49 sec latency 101.731 ms 1 1232 0.11 MB/sec execute 50 sec latency 127.689 ms 1 1262 0.11 MB/sec execute 51 sec latency 165.380 ms 1 1285 0.11 MB/sec execute 52 sec latency 289.412 ms 1 1396 0.16 MB/sec execute 53 sec latency 302.894 ms 1 1426 0.16 MB/sec execute 54 sec latency 128.899 ms 1 1474 0.16 MB/sec execute 55 sec latency 278.108 ms test_26 fail mds2 2 times 1 1512 0.15 MB/sec execute 56 sec latency 110.447 ms 1 1559 0.15 MB/sec execute 57 sec latency 87.097 ms Failing mds2 on oleg346-server 1 1590 0.15 MB/sec execute 58 sec latency 101.164 ms Stopping /mnt/lustre-mds2 (opts:) on oleg346-server 1 1634 0.15 MB/sec execute 59 sec latency 118.377 ms 1 1680 0.15 MB/sec execute 60 sec latency 136.788 ms 1 1769 0.14 MB/sec execute 61 sec latency 87.304 ms 1 1840 0.14 MB/sec execute 62 sec latency 74.849 ms 1 1905 0.14 MB/sec execute 63 sec latency 89.855 ms 1 2004 0.14 MB/sec execute 64 sec latency 62.394 ms 1 2075 0.14 MB/sec execute 65 sec latency 78.112 ms 1 2148 0.14 MB/sec execute 66 sec latency 68.646 ms 1 2187 0.14 MB/sec execute 67 sec latency 97.089 ms 06:37:36 (1783939056) shut down facet: mds2 facet_host: oleg346-server facet_failover_host: oleg346-server 1 2259 0.14 MB/sec execute 68 sec latency 176.139 ms 1 2259 0.13 MB/sec execute 69 sec latency 1176.321 ms 1 2259 0.13 MB/sec execute 70 sec latency 2177.155 ms 1 2259 0.13 MB/sec execute 71 sec latency 3177.661 ms 1 2259 0.13 MB/sec execute 72 sec latency 4178.601 ms 1 2259 0.13 MB/sec execute 73 sec latency 5179.174 ms 1 2259 0.13 MB/sec execute 74 sec latency 6179.428 ms 1 2259 0.12 MB/sec execute 75 sec latency 7182.103 ms 1 2259 0.12 MB/sec execute 76 sec latency 8182.902 ms 1 2259 0.12 MB/sec execute 77 sec latency 9184.395 ms Failover mds2 to oleg346-server mount facets: mds2 1 2259 0.12 MB/sec execute 78 sec latency 10184.596 ms 1 2259 0.12 MB/sec execute 79 sec latency 11185.545 ms 1 2259 0.12 MB/sec execute 80 sec latency 12186.240 ms 1 2259 0.11 MB/sec execute 81 sec latency 13186.855 ms 1 2259 0.11 MB/sec execute 82 sec latency 14187.042 ms 1 2259 0.11 MB/sec execute 83 sec latency 15187.879 ms 1 2259 0.11 MB/sec execute 84 sec latency 16188.393 ms 1 2259 0.11 MB/sec execute 85 sec latency 17190.116 ms 1 2259 0.11 MB/sec execute 86 sec latency 18190.563 ms 1 2259 0.11 MB/sec execute 87 sec latency 19190.754 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 88 sec latency 20191.074 ms 1 2259 0.10 MB/sec execute 89 sec latency 21192.303 ms 1 2259 0.10 MB/sec execute 90 sec latency 22193.707 ms 1 2259 0.10 MB/sec execute 91 sec latency 23193.884 ms 1 2259 0.10 MB/sec execute 92 sec latency 24194.076 ms 1 2259 0.10 MB/sec execute 93 sec latency 25194.369 ms oleg346-server: oleg346-server.virtnet: executing set_default_debug -1 all 1 2259 0.10 MB/sec execute 94 sec latency 26194.561 ms pdsh@oleg346-client: oleg346-server: ssh exited with exit code 1 1 2259 0.10 MB/sec execute 95 sec latency 27194.750 ms Started lustre-MDT0001 06:38:05 (1783939085) targets are mounted 06:38:05 (1783939085) facet_failover done 1 2291 0.11 MB/sec execute 96 sec latency 27860.136 ms 1 2359 0.11 MB/sec execute 97 sec latency 75.655 ms 1 2402 0.11 MB/sec execute 98 sec latency 114.648 ms 1 2440 0.11 MB/sec execute 99 sec latency 102.557 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg346-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 347 132.374 27860.123 Close 299 135.328 37331.657 Rename 14 101.398 166.732 Unlink 36 25.163 47.704 Qpathinfo 325 15.278 81.394 Qfileinfo 80 2.707 39.648 Qfsinfo 41 5.010 27.505 Sfileinfo 47 62.350 121.073 Find 110 11.825 55.312 WriteX 267 12.352 101.568 ReadX 383 3.441 71.510 Flush 34 54.042 131.891 Throughput 0.107349 MB/sec 1 clients 1 procs max_latency=37331.679 ms stopping dbench on /mnt/lustre at Mon Jul 13 06:38:13 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 2236 1269068 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2152 1269152 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10668 3595220 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11988 3573272 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22656 7168492 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 Jul 13 06:38:21 EDT 2026 waiting for dbench pid 67949 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 0 10 0.00 MB/sec warmup 1 sec latency 76.887 ms 1 64 1.37 MB/sec warmup 2 sec latency 119.943 ms 1 113 1.75 MB/sec warmup 3 sec latency 169.434 ms 1 146 1.57 MB/sec warmup 4 sec latency 144.456 ms 1 155 1.31 MB/sec warmup 5 sec latency 703.935 ms 1 160 1.09 MB/sec warmup 6 sec latency 1543.446 ms 1 184 1.05 MB/sec warmup 7 sec latency 426.513 ms 1 223 1.08 MB/sec warmup 8 sec latency 426.735 ms test_26 fail mds1 3 times 1 278 1.16 MB/sec warmup 9 sec latency 102.051 ms 1 306 1.12 MB/sec warmup 10 sec latency 157.351 ms 1 339 1.11 MB/sec warmup 11 sec latency 158.065 ms Failing mds1 on oleg346-server 1 373 1.11 MB/sec warmup 12 sec latency 125.420 ms Stopping /mnt/lustre-mds1 (opts:) on oleg346-server 1 421 1.14 MB/sec warmup 13 sec latency 104.237 ms 1 421 1.06 MB/sec warmup 14 sec latency 1089.852 ms 1 421 0.99 MB/sec warmup 15 sec latency 2090.067 ms 1 421 0.93 MB/sec warmup 16 sec latency 3092.558 ms 1 421 0.87 MB/sec warmup 17 sec latency 4092.867 ms 1 421 0.82 MB/sec warmup 18 sec latency 5093.073 ms 1 421 0.78 MB/sec warmup 19 sec latency 6093.449 ms 1 421 0.00 MB/sec execute 1 sec latency 8093.852 ms 06:38:43 (1783939123) shut down facet: mds1 facet_host: oleg346-server facet_failover_host: oleg346-server 1 421 0.00 MB/sec execute 2 sec latency 9094.841 ms 1 421 0.00 MB/sec execute 3 sec latency 10095.198 ms 1 421 0.00 MB/sec execute 4 sec latency 11095.590 ms 1 421 0.00 MB/sec execute 5 sec latency 12095.771 ms 1 421 0.00 MB/sec execute 6 sec latency 13096.056 ms 1 421 0.00 MB/sec execute 7 sec latency 14096.379 ms 1 421 0.00 MB/sec execute 8 sec latency 15096.627 ms 1 421 0.00 MB/sec execute 9 sec latency 16097.347 ms 1 421 0.00 MB/sec execute 10 sec latency 17098.054 ms 1 421 0.00 MB/sec execute 11 sec latency 18099.356 ms Failover mds1 to oleg346-server 1 421 0.00 MB/sec execute 12 sec latency 19100.388 ms mount facets: mds1 1 421 0.00 MB/sec execute 13 sec latency 20102.841 ms 1 421 0.00 MB/sec execute 14 sec latency 21112.958 ms 1 421 0.00 MB/sec execute 15 sec latency 22130.594 ms 1 421 0.00 MB/sec execute 16 sec latency 23132.098 ms 1 421 0.00 MB/sec execute 17 sec latency 24132.379 ms 1 421 0.00 MB/sec execute 18 sec latency 25132.862 ms 1 421 0.00 MB/sec execute 19 sec latency 26134.840 ms 1 421 0.00 MB/sec execute 20 sec latency 27135.088 ms 1 421 0.00 MB/sec execute 21 sec latency 28135.344 ms 1 421 0.00 MB/sec execute 22 sec latency 29135.542 ms 1 421 0.00 MB/sec execute 23 sec latency 30139.343 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 421 0.00 MB/sec execute 24 sec latency 31146.055 ms 1 421 0.00 MB/sec execute 25 sec latency 32146.257 ms 1 421 0.00 MB/sec execute 26 sec latency 33146.636 ms 1 421 0.00 MB/sec execute 27 sec latency 34146.962 ms 1 421 0.00 MB/sec execute 28 sec latency 35149.555 ms 1 421 0.00 MB/sec execute 29 sec latency 36149.768 ms 1 421 0.00 MB/sec execute 30 sec latency 37151.878 ms 1 421 0.00 MB/sec execute 31 sec latency 38153.168 ms 1 421 0.00 MB/sec execute 32 sec latency 39153.374 ms 1 421 0.00 MB/sec execute 33 sec latency 40153.558 ms 1 421 0.00 MB/sec execute 34 sec latency 41156.320 ms oleg346-server: oleg346-server.virtnet: executing set_default_debug -1 all 1 421 0.00 MB/sec execute 35 sec latency 42156.808 ms pdsh@oleg346-client: oleg346-server: ssh exited with exit code 1 1 421 0.00 MB/sec execute 36 sec latency 43158.117 ms Started lustre-MDT0000 06:39:18 (1783939158) targets are mounted 06:39:18 (1783939158) facet_failover done 1 429 0.01 MB/sec execute 37 sec latency 44059.634 ms 1 464 0.03 MB/sec execute 38 sec latency 122.926 ms 1 497 0.06 MB/sec execute 39 sec latency 178.914 ms 1 517 0.07 MB/sec execute 40 sec latency 218.073 ms 1 552 0.10 MB/sec execute 41 sec latency 347.121 ms 1 588 0.13 MB/sec execute 42 sec latency 1027.585 ms 1 644 0.14 MB/sec execute 43 sec latency 123.528 ms 1 686 0.14 MB/sec execute 44 sec latency 104.942 ms oleg346-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 718 0.14 MB/sec execute 45 sec latency 108.179 ms 1 743 0.14 MB/sec execute 46 sec latency 135.589 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 781 0.14 MB/sec execute 47 sec latency 96.181 ms 1 806 0.14 MB/sec execute 48 sec latency 153.041 ms 1 856 0.14 MB/sec execute 49 sec latency 104.243 ms 1 888 0.14 MB/sec execute 50 sec latency 129.782 ms 1 918 0.14 MB/sec execute 51 sec latency 101.969 ms 1 963 0.13 MB/sec execute 52 sec latency 97.757 ms 1 995 0.13 MB/sec execute 53 sec latency 104.608 ms 1 1064 0.15 MB/sec execute 54 sec latency 66.464 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1128 0.15 MB/sec execute 55 sec latency 70.184 ms 1 1172 0.15 MB/sec execute 56 sec latency 132.337 ms 1 1172 0.14 MB/sec execute 57 sec latency 1134.836 ms 1 1198 0.14 MB/sec execute 58 sec latency 1201.220 ms 1 1235 0.14 MB/sec execute 59 sec latency 87.884 ms 1 1277 0.14 MB/sec execute 60 sec latency 112.246 ms 1 1405 0.18 MB/sec execute 61 sec latency 108.205 ms 1 1446 0.18 MB/sec execute 62 sec latency 161.172 ms 1 1496 0.18 MB/sec execute 63 sec latency 123.447 ms 1 1534 0.18 MB/sec execute 64 sec latency 94.301 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jul 13 06:39:46 EDT 2026 with return code 0 67949 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67949 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished