== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:23:46 (1788204226) Starting client oleg409-client.virtnet: -o user_xattr,flock 192.168.204.109@tcp:/lustre /mnt/lustre Started clients oleg409-client.virtnet: 192.168.204.109@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 45221 Started dbench loop with 45222 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 14336 3745792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7507968 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 31 15:23:55 EDT 2026 waiting for dbench pid 45290 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 12 0.00 MB/sec warmup 1 sec latency 28.267 ms 1 35 0.55 MB/sec warmup 2 sec latency 345.669 ms 1 71 1.04 MB/sec warmup 3 sec latency 202.866 ms 1 111 1.31 MB/sec warmup 4 sec latency 196.622 ms 1 129 1.15 MB/sec warmup 5 sec latency 286.341 ms 1 155 1.09 MB/sec warmup 6 sec latency 207.752 ms 1 174 1.00 MB/sec warmup 7 sec latency 241.374 ms test_26 fail mds1 1 times 1 197 0.98 MB/sec warmup 8 sec latency 189.083 ms 1 214 0.93 MB/sec warmup 9 sec latency 343.154 ms Failing mds1 on oleg409-server 1 239 0.91 MB/sec warmup 10 sec latency 151.221 ms 1 258 0.88 MB/sec warmup 11 sec latency 226.391 ms Stopping /mnt/lustre-mds1 (opts:) on oleg409-server 1 287 0.89 MB/sec warmup 12 sec latency 194.443 ms 1 305 0.86 MB/sec warmup 13 sec latency 220.381 ms 1 305 0.80 MB/sec warmup 14 sec latency 1220.549 ms 1 305 0.75 MB/sec warmup 15 sec latency 2222.358 ms 1 305 0.70 MB/sec warmup 16 sec latency 3224.520 ms 1 305 0.66 MB/sec warmup 17 sec latency 4228.766 ms 1 305 0.62 MB/sec warmup 18 sec latency 5229.103 ms 1 305 0.59 MB/sec warmup 19 sec latency 6230.138 ms 15:24:15 (1788204255) shut down facet: mds1 facet_host: oleg409-server facet_failover_host: oleg409-server 1 305 0.00 MB/sec execute 1 sec latency 8231.826 ms 1 305 0.00 MB/sec execute 2 sec latency 9232.360 ms 1 305 0.00 MB/sec execute 3 sec latency 10233.424 ms 1 305 0.00 MB/sec execute 4 sec latency 11233.668 ms 1 305 0.00 MB/sec execute 5 sec latency 12234.439 ms 1 305 0.00 MB/sec execute 6 sec latency 13235.210 ms 1 305 0.00 MB/sec execute 7 sec latency 14235.923 ms 1 305 0.00 MB/sec execute 8 sec latency 15236.138 ms 1 305 0.00 MB/sec execute 9 sec latency 16240.607 ms 1 305 0.00 MB/sec execute 10 sec latency 17244.331 ms Failover mds1 to oleg409-server mount facets: mds1 1 305 0.00 MB/sec execute 11 sec latency 18250.842 ms 1 305 0.00 MB/sec execute 12 sec latency 19251.209 ms 1 305 0.00 MB/sec execute 13 sec latency 20251.428 ms 1 305 0.00 MB/sec execute 14 sec latency 21253.512 ms 1 305 0.00 MB/sec execute 15 sec latency 22255.599 ms 1 305 0.00 MB/sec execute 16 sec latency 23255.789 ms 1 305 0.00 MB/sec execute 17 sec latency 24256.979 ms 1 305 0.00 MB/sec execute 18 sec latency 25257.824 ms 1 305 0.00 MB/sec execute 19 sec latency 26258.055 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 305 0.00 MB/sec execute 20 sec latency 27258.642 ms 1 305 0.00 MB/sec execute 21 sec latency 28258.913 ms 1 305 0.00 MB/sec execute 22 sec latency 29263.200 ms 1 305 0.00 MB/sec execute 23 sec latency 30263.390 ms 1 305 0.00 MB/sec execute 24 sec latency 31265.985 ms 1 305 0.00 MB/sec execute 25 sec latency 32266.519 ms 1 305 0.00 MB/sec execute 26 sec latency 33266.958 ms 1 305 0.00 MB/sec execute 27 sec latency 34267.552 ms 1 305 0.00 MB/sec execute 28 sec latency 35267.747 ms 1 305 0.00 MB/sec execute 29 sec latency 36268.428 ms 1 305 0.00 MB/sec execute 30 sec latency 37268.737 ms 1 305 0.00 MB/sec execute 31 sec latency 38269.043 ms 1 305 0.00 MB/sec execute 32 sec latency 39276.942 ms 1 305 0.00 MB/sec execute 33 sec latency 40279.539 ms 1 305 0.00 MB/sec execute 34 sec latency 41280.178 ms 1 305 0.00 MB/sec execute 35 sec latency 42282.596 ms 1 305 0.00 MB/sec execute 36 sec latency 43283.555 ms 1 305 0.00 MB/sec execute 37 sec latency 44283.941 ms 1 305 0.00 MB/sec execute 38 sec latency 45284.358 ms 1 305 0.00 MB/sec execute 39 sec latency 46287.274 ms 1 305 0.00 MB/sec execute 40 sec latency 47290.666 ms 1 305 0.00 MB/sec execute 41 sec latency 48291.064 ms 1 305 0.00 MB/sec execute 42 sec latency 49291.647 ms 1 305 0.00 MB/sec execute 43 sec latency 50292.083 ms 1 305 0.00 MB/sec execute 44 sec latency 51292.249 ms 1 305 0.00 MB/sec execute 45 sec latency 52292.418 ms oleg409-server: oleg409-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 46 sec latency 53293.224 ms pdsh@oleg409-client: oleg409-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 47 sec latency 54293.397 ms 1 305 0.00 MB/sec execute 48 sec latency 55293.600 ms Started lustre-MDT0000 15:25:04 (1788204304) targets are mounted 15:25:04 (1788204304) facet_failover done 1 305 0.00 MB/sec execute 49 sec latency 56293.927 ms 1 305 0.00 MB/sec execute 50 sec latency 57294.075 ms 1 305 0.00 MB/sec execute 51 sec latency 58294.359 ms 1 305 0.00 MB/sec execute 52 sec latency 59295.017 ms 1 305 0.00 MB/sec execute 53 sec latency 60296.115 ms 1 305 0.00 MB/sec execute 54 sec latency 61296.331 ms 1 305 0.00 MB/sec execute 55 sec latency 62297.956 ms 1 305 0.00 MB/sec execute 56 sec latency 63298.912 ms 1 305 0.00 MB/sec execute 57 sec latency 64299.484 ms 1 305 0.00 MB/sec execute 58 sec latency 65300.496 ms 1 305 0.00 MB/sec execute 59 sec latency 66300.816 ms 1 305 0.00 MB/sec execute 60 sec latency 67301.109 ms 1 331 0.01 MB/sec execute 61 sec latency 67549.792 ms 1 357 0.03 MB/sec execute 62 sec latency 165.650 ms 1 385 0.04 MB/sec execute 63 sec latency 159.507 ms 1 421 0.06 MB/sec execute 64 sec latency 140.121 ms 1 446 0.07 MB/sec execute 65 sec latency 192.974 ms 1 472 0.08 MB/sec execute 66 sec latency 160.344 ms oleg409-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 501 0.09 MB/sec execute 67 sec latency 194.877 ms 1 522 0.10 MB/sec execute 68 sec latency 187.102 ms 1 590 0.13 MB/sec execute 69 sec latency 139.469 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 636 0.14 MB/sec execute 70 sec latency 126.899 ms 1 664 0.14 MB/sec execute 71 sec latency 150.450 ms 1 685 0.14 MB/sec execute 72 sec latency 230.854 ms 1 721 0.14 MB/sec execute 73 sec latency 97.219 ms 1 735 0.14 MB/sec execute 74 sec latency 276.907 ms 1 767 0.13 MB/sec execute 75 sec latency 141.890 ms 1 789 0.13 MB/sec execute 76 sec latency 313.499 ms 1 806 0.13 MB/sec execute 77 sec latency 426.957 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 41984 3661824 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3746816 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7408640 1% /mnt/lustre 1 848 0.13 MB/sec execute 78 sec latency 138.966 ms 1 874 0.13 MB/sec execute 79 sec latency 331.547 ms 1 902 0.13 MB/sec execute 80 sec latency 138.812 ms 1 919 0.13 MB/sec execute 81 sec latency 221.710 ms 1 954 0.13 MB/sec execute 82 sec latency 116.964 ms 1 980 0.13 MB/sec execute 83 sec latency 168.028 ms test_26 fail mds1 2 times 1 1018 0.13 MB/sec execute 84 sec latency 259.279 ms 1 1059 0.14 MB/sec execute 85 sec latency 107.028 ms 1 1086 0.14 MB/sec execute 86 sec latency 160.021 ms Failing mds1 on oleg409-server 1 1127 0.14 MB/sec execute 87 sec latency 124.296 ms Stopping /mnt/lustre-mds1 (opts:) on oleg409-server 1 1154 0.13 MB/sec execute 88 sec latency 154.272 ms 1 1177 0.13 MB/sec execute 89 sec latency 130.609 ms 1 1177 0.13 MB/sec execute 90 sec latency 1131.743 ms 1 1177 0.13 MB/sec execute 91 sec latency 2135.428 ms 1 1177 0.13 MB/sec execute 92 sec latency 3138.717 ms 15:25:48 (1788204348) shut down facet: mds1 facet_host: oleg409-server facet_failover_host: oleg409-server 1 1177 0.13 MB/sec execute 93 sec latency 4140.503 ms 1 1177 0.13 MB/sec execute 94 sec latency 5140.928 ms 1 1177 0.12 MB/sec execute 95 sec latency 6141.222 ms 1 1177 0.12 MB/sec execute 96 sec latency 7141.808 ms 1 1177 0.12 MB/sec execute 97 sec latency 8142.126 ms 1 1177 0.12 MB/sec execute 98 sec latency 9143.407 ms 1 1177 0.12 MB/sec execute 99 sec latency 10143.617 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec Failover mds1 to oleg409-server mount facets: mds1 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec oleg409-server: oleg409-server.virtnet: executing set_default_debug -1 all 1 cleanup 126 sec pdsh@oleg409-client: oleg409-server: ssh exited with exit code 1 1 cleanup 127 sec Started lustre-MDT0000 15:26:23 (1788204383) targets are mounted 15:26:23 (1788204383) facet_failover done 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec 0 cleanup 139 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 124 638.647 67549.772 Close 114 14.405 34.312 Rename 7 126.403 167.991 Unlink 13 34.691 50.238 Qpathinfo 66 697.101 43968.894 Qfileinfo 54 3.644 10.554 Qfsinfo 28 5.824 37.017 Sfileinfo 25 75.653 142.443 Find 36 12.569 112.690 WriteX 263 18.511 194.853 ReadX 119 6.152 96.209 Flush 24 153.994 426.940 Throughput 0.118908 MB/sec 1 clients 1 procs max_latency=67549.792 ms stopping dbench on /mnt/lustre at Mon Aug 31 15:26:35 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg409-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 Mon Aug 31 15:26:44 EDT 2026 waiting for dbench pid 47256 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 24 0.66 MB/sec warmup 1 sec latency 33.761 ms 1 70 1.57 MB/sec warmup 2 sec latency 161.199 ms 1 111 1.75 MB/sec warmup 3 sec latency 204.145 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 17408 3744768 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3713024 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7457792 1% /mnt/lustre 1 139 1.51 MB/sec warmup 4 sec latency 233.259 ms 1 157 1.31 MB/sec warmup 5 sec latency 315.921 ms 1 181 1.22 MB/sec warmup 6 sec latency 160.701 ms 1 199 1.12 MB/sec warmup 7 sec latency 211.568 ms 1 231 1.11 MB/sec warmup 8 sec latency 191.944 ms 1 263 1.10 MB/sec warmup 9 sec latency 180.177 ms 1 302 1.11 MB/sec warmup 10 sec latency 121.159 ms test_26 fail mds1 3 times 1 327 1.07 MB/sec warmup 11 sec latency 193.766 ms 1 357 1.06 MB/sec warmup 12 sec latency 201.026 ms 1 387 1.06 MB/sec warmup 13 sec latency 206.522 ms Failing mds1 on oleg409-server 1 413 1.04 MB/sec warmup 14 sec latency 178.168 ms Stopping /mnt/lustre-mds1 (opts:) on oleg409-server 1 445 1.04 MB/sec warmup 15 sec latency 179.728 ms 1 469 1.03 MB/sec warmup 16 sec latency 553.867 ms 1 469 0.96 MB/sec warmup 17 sec latency 1554.308 ms 1 469 0.91 MB/sec warmup 18 sec latency 2556.588 ms 15:27:02 (1788204422) shut down facet: mds1 facet_host: oleg409-server facet_failover_host: oleg409-server 1 469 0.86 MB/sec warmup 19 sec latency 3556.996 ms 1 469 0.00 MB/sec execute 1 sec latency 5557.531 ms 1 469 0.00 MB/sec execute 2 sec latency 6558.567 ms 1 469 0.00 MB/sec execute 3 sec latency 7559.198 ms 1 469 0.00 MB/sec execute 4 sec latency 8559.506 ms 1 469 0.00 MB/sec execute 5 sec latency 9562.195 ms 1 469 0.00 MB/sec execute 6 sec latency 10562.590 ms 1 469 0.00 MB/sec execute 7 sec latency 11563.505 ms 1 469 0.00 MB/sec execute 8 sec latency 12564.177 ms Failover mds1 to oleg409-server 1 469 0.00 MB/sec execute 9 sec latency 13564.770 ms mount facets: mds1 1 469 0.00 MB/sec execute 10 sec latency 14564.973 ms 1 469 0.00 MB/sec execute 11 sec latency 15567.168 ms 1 469 0.00 MB/sec execute 12 sec latency 16569.098 ms 1 469 0.00 MB/sec execute 13 sec latency 17569.316 ms 1 469 0.00 MB/sec execute 14 sec latency 18575.049 ms 1 469 0.00 MB/sec execute 15 sec latency 19575.342 ms 1 469 0.00 MB/sec execute 16 sec latency 20577.765 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 469 0.00 MB/sec execute 17 sec latency 21579.063 ms 1 469 0.00 MB/sec execute 18 sec latency 22579.295 ms 1 469 0.00 MB/sec execute 19 sec latency 23579.525 ms 1 469 0.00 MB/sec execute 20 sec latency 24580.961 ms 1 469 0.00 MB/sec execute 21 sec latency 25581.258 ms 1 469 0.00 MB/sec execute 22 sec latency 26581.483 ms 1 469 0.00 MB/sec execute 23 sec latency 27581.910 ms 1 469 0.00 MB/sec execute 24 sec latency 28582.838 ms 1 469 0.00 MB/sec execute 25 sec latency 29585.853 ms 1 469 0.00 MB/sec execute 26 sec latency 30586.150 ms 1 469 0.00 MB/sec execute 27 sec latency 31588.817 ms 1 469 0.00 MB/sec execute 28 sec latency 32594.850 ms 1 469 0.00 MB/sec execute 29 sec latency 33595.290 ms 1 469 0.00 MB/sec execute 30 sec latency 34596.273 ms 1 469 0.00 MB/sec execute 31 sec latency 35596.572 ms 1 469 0.00 MB/sec execute 32 sec latency 36597.378 ms 1 469 0.00 MB/sec execute 33 sec latency 37598.653 ms 1 469 0.00 MB/sec execute 34 sec latency 38598.936 ms oleg409-server: oleg409-server.virtnet: executing set_default_debug -1 all 1 469 0.00 MB/sec execute 35 sec latency 39602.478 ms pdsh@oleg409-client: oleg409-server: ssh exited with exit code 1 1 469 0.00 MB/sec execute 36 sec latency 40603.099 ms Started lustre-MDT0000 15:27:41 (1788204461) targets are mounted 15:27:41 (1788204461) facet_failover done 1 469 0.00 MB/sec execute 37 sec latency 41603.620 ms 1 469 0.00 MB/sec execute 38 sec latency 42616.095 ms 1 477 0.01 MB/sec execute 39 sec latency 43298.685 ms 1 493 0.02 MB/sec execute 40 sec latency 399.628 ms 1 513 0.03 MB/sec execute 41 sec latency 243.084 ms 1 542 0.06 MB/sec execute 42 sec latency 272.191 ms 1 612 0.11 MB/sec execute 43 sec latency 211.755 ms 1 655 0.11 MB/sec execute 44 sec latency 118.400 ms 1 671 0.11 MB/sec execute 45 sec latency 301.380 ms 1 689 0.10 MB/sec execute 46 sec latency 324.207 ms oleg409-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 710 0.10 MB/sec execute 47 sec latency 173.365 ms 1 721 0.10 MB/sec execute 48 sec latency 366.857 ms 1 731 0.10 MB/sec execute 49 sec latency 433.740 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.10 MB/sec execute 50 sec latency 310.422 ms 1 767 0.10 MB/sec execute 51 sec latency 199.075 ms 1 779 0.09 MB/sec execute 52 sec latency 237.741 ms 1 794 0.09 MB/sec execute 53 sec latency 405.624 ms 1 805 0.09 MB/sec execute 54 sec latency 212.315 ms 1 825 0.09 MB/sec execute 55 sec latency 184.606 ms 1 873 0.09 MB/sec execute 56 sec latency 213.075 ms 1 892 0.09 MB/sec execute 57 sec latency 176.130 ms 1 913 0.09 MB/sec execute 58 sec latency 167.571 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 949 0.09 MB/sec execute 59 sec latency 324.645 ms 1 977 0.09 MB/sec execute 60 sec latency 143.845 ms 1 990 0.09 MB/sec execute 61 sec latency 406.867 ms 1 1064 0.10 MB/sec execute 62 sec latency 101.578 ms 1 1099 0.10 MB/sec execute 63 sec latency 129.095 ms 1 1135 0.10 MB/sec execute 64 sec latency 107.912 ms 1 1188 0.10 MB/sec execute 65 sec latency 99.565 ms 1 1216 0.10 MB/sec execute 66 sec latency 189.708 ms 1 1261 0.10 MB/sec execute 67 sec latency 86.907 ms 1 1395 0.14 MB/sec execute 68 sec latency 74.169 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 31 15:28:13 EDT 2026 with return code 0 1 1428 0.14 MB/sec execute 69 sec latency 122.517 ms 47256 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47256 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished