== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:04:08 (1787367848) Starting client oleg435-client.virtnet: -o user_xattr,flock 192.168.204.135@tcp:/lustre /mnt/lustre Started clients oleg435-client.virtnet: 192.168.204.135@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 45198 Started dbench loop with 45199 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 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7504896 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 23:04:15 EDT 2026 waiting for dbench pid 45266 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 31 1.05 MB/sec warmup 1 sec latency 44.347 ms 1 72 1.57 MB/sec warmup 2 sec latency 200.090 ms 1 121 1.83 MB/sec warmup 3 sec latency 227.010 ms 1 155 1.63 MB/sec warmup 4 sec latency 145.967 ms 1 188 1.51 MB/sec warmup 5 sec latency 191.526 ms test_26 fail mds1 1 times 1 210 1.35 MB/sec warmup 6 sec latency 185.965 ms 1 239 1.30 MB/sec warmup 7 sec latency 223.775 ms Failing mds1 on oleg435-server 1 263 1.24 MB/sec warmup 8 sec latency 212.710 ms 1 296 1.21 MB/sec warmup 9 sec latency 157.097 ms Stopping /mnt/lustre-mds1 (opts:) on oleg435-server 1 330 1.20 MB/sec warmup 10 sec latency 134.897 ms 1 338 1.11 MB/sec warmup 11 sec latency 746.781 ms 1 338 1.02 MB/sec warmup 12 sec latency 1746.987 ms 23:04:28 (1787367868) shut down 1 338 0.94 MB/sec warmup 13 sec latency 2754.331 ms facet: mds1 facet_host: oleg435-server facet_failover_host: oleg435-server 1 338 0.87 MB/sec warmup 14 sec latency 3754.638 ms 1 338 0.82 MB/sec warmup 15 sec latency 4754.998 ms 1 338 0.76 MB/sec warmup 16 sec latency 5755.198 ms 1 338 0.72 MB/sec warmup 17 sec latency 6758.586 ms 1 338 0.68 MB/sec warmup 18 sec latency 7759.891 ms 1 338 0.64 MB/sec warmup 19 sec latency 8760.440 ms 1 338 0.00 MB/sec execute 1 sec latency 10762.519 ms 1 338 0.00 MB/sec execute 2 sec latency 11762.787 ms 1 338 0.00 MB/sec execute 3 sec latency 12764.179 ms Failover mds1 to oleg435-server mount facets: mds1 1 338 0.00 MB/sec execute 4 sec latency 13764.349 ms 1 338 0.00 MB/sec execute 5 sec latency 14764.634 ms 1 338 0.00 MB/sec execute 6 sec latency 15764.890 ms 1 338 0.00 MB/sec execute 7 sec latency 16765.157 ms 1 338 0.00 MB/sec execute 8 sec latency 17767.568 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 338 0.00 MB/sec execute 9 sec latency 18769.461 ms 1 338 0.00 MB/sec execute 10 sec latency 19769.612 ms 1 338 0.00 MB/sec execute 11 sec latency 20769.944 ms 1 338 0.00 MB/sec execute 12 sec latency 21770.446 ms 1 338 0.00 MB/sec execute 13 sec latency 22770.953 ms 1 338 0.00 MB/sec execute 14 sec latency 23771.160 ms 1 338 0.00 MB/sec execute 15 sec latency 24771.391 ms 1 338 0.00 MB/sec execute 16 sec latency 25772.154 ms oleg435-server: oleg435-server.virtnet: executing set_default_debug -1 all 1 338 0.00 MB/sec execute 17 sec latency 26772.806 ms pdsh@oleg435-client: oleg435-server: ssh exited with exit code 1 1 338 0.00 MB/sec execute 18 sec latency 27773.896 ms Started lustre-MDT0000 23:04:54 (1787367894) targets are mounted 23:04:54 (1787367894) facet_failover done 1 338 0.00 MB/sec execute 19 sec latency 28774.138 ms 1 338 0.00 MB/sec execute 20 sec latency 29778.838 ms 1 338 0.00 MB/sec execute 21 sec latency 30782.996 ms 1 338 0.00 MB/sec execute 22 sec latency 31795.161 ms 1 338 0.00 MB/sec execute 23 sec latency 32795.366 ms 1 338 0.00 MB/sec execute 24 sec latency 33795.879 ms 1 338 0.00 MB/sec execute 25 sec latency 34796.174 ms 1 338 0.00 MB/sec execute 26 sec latency 35796.379 ms 1 338 0.00 MB/sec execute 27 sec latency 36796.594 ms 1 338 0.00 MB/sec execute 28 sec latency 37796.760 ms 1 338 0.00 MB/sec execute 29 sec latency 38802.367 ms 1 338 0.00 MB/sec execute 30 sec latency 39803.109 ms 1 366 0.03 MB/sec execute 31 sec latency 39918.969 ms 1 420 0.08 MB/sec execute 32 sec latency 99.896 ms 1 460 0.12 MB/sec execute 33 sec latency 109.396 ms 1 493 0.15 MB/sec execute 34 sec latency 114.085 ms 1 529 0.17 MB/sec execute 35 sec latency 128.344 ms oleg435-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 616 0.24 MB/sec execute 36 sec latency 128.007 ms 1 661 0.24 MB/sec execute 37 sec latency 127.908 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 676 0.23 MB/sec execute 38 sec latency 398.513 ms 1 700 0.23 MB/sec execute 39 sec latency 143.118 ms 1 726 0.23 MB/sec execute 40 sec latency 218.939 ms 1 765 0.22 MB/sec execute 41 sec latency 133.011 ms 1 796 0.22 MB/sec execute 42 sec latency 204.903 ms 1 827 0.21 MB/sec execute 43 sec latency 104.493 ms 1 877 0.21 MB/sec execute 44 sec latency 195.737 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 43008 3703808 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 56320 7435264 1% /mnt/lustre 1 905 0.21 MB/sec execute 45 sec latency 124.199 ms 1 925 0.21 MB/sec execute 46 sec latency 284.790 ms 1 967 0.20 MB/sec execute 47 sec latency 129.375 ms 1 990 0.20 MB/sec execute 48 sec latency 192.562 ms 1 1063 0.22 MB/sec execute 49 sec latency 90.451 ms 1 1124 0.21 MB/sec execute 50 sec latency 78.063 ms test_26 fail mds1 2 times 1 1161 0.21 MB/sec execute 51 sec latency 107.050 ms 1 1200 0.21 MB/sec execute 52 sec latency 101.137 ms Failing mds1 on oleg435-server 1 1239 0.20 MB/sec execute 53 sec latency 84.695 ms 1 1271 0.20 MB/sec execute 54 sec latency 148.116 ms Stopping /mnt/lustre-mds1 (opts:) on oleg435-server 1 1405 0.25 MB/sec execute 55 sec latency 126.267 ms 1 1409 0.25 MB/sec execute 56 sec latency 918.951 ms 1 1409 0.24 MB/sec execute 57 sec latency 1919.242 ms 23:05:33 (1787367933) shut down facet: mds1 facet_host: oleg435-server facet_failover_host: oleg435-server 1 1409 0.24 MB/sec execute 58 sec latency 2919.525 ms 1 1409 0.23 MB/sec execute 59 sec latency 3919.922 ms 1 1409 0.23 MB/sec execute 60 sec latency 4920.371 ms 1 1409 0.23 MB/sec execute 61 sec latency 5921.035 ms 1 1409 0.22 MB/sec execute 62 sec latency 6921.497 ms 1 1409 0.22 MB/sec execute 63 sec latency 7921.904 ms 1 1409 0.21 MB/sec execute 64 sec latency 8922.826 ms 1 1409 0.21 MB/sec execute 65 sec latency 9926.450 ms 1 1409 0.21 MB/sec execute 66 sec latency 10926.706 ms 1 1409 0.20 MB/sec execute 67 sec latency 11926.924 ms 1 1409 0.20 MB/sec execute 68 sec latency 12929.742 ms Failover mds1 to oleg435-server mount facets: mds1 1 1409 0.20 MB/sec execute 69 sec latency 13930.289 ms 1 1409 0.20 MB/sec execute 70 sec latency 14930.521 ms 1 1409 0.19 MB/sec execute 71 sec latency 15930.826 ms 1 1409 0.19 MB/sec execute 72 sec latency 16931.027 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1409 0.19 MB/sec execute 73 sec latency 17931.234 ms 1 1409 0.19 MB/sec execute 74 sec latency 18932.887 ms 1 1409 0.18 MB/sec execute 75 sec latency 19936.114 ms 1 1409 0.18 MB/sec execute 76 sec latency 20936.985 ms 1 1409 0.18 MB/sec execute 77 sec latency 21937.859 ms 1 1409 0.18 MB/sec execute 78 sec latency 22938.060 ms oleg435-server: oleg435-server.virtnet: executing set_default_debug -1 all 1 1409 0.17 MB/sec execute 79 sec latency 23938.337 ms pdsh@oleg435-client: oleg435-server: ssh exited with exit code 1 1 1409 0.17 MB/sec execute 80 sec latency 24938.550 ms Started lustre-MDT0000 23:05:56 (1787367956) targets are mounted 23:05:56 (1787367956) facet_failover done 1 1409 0.17 MB/sec execute 81 sec latency 25938.785 ms 1 1409 0.17 MB/sec execute 82 sec latency 26940.702 ms 1 1409 0.17 MB/sec execute 83 sec latency 27942.338 ms 1 1409 0.16 MB/sec execute 84 sec latency 28942.557 ms 1 1409 0.16 MB/sec execute 85 sec latency 29943.373 ms 1 1409 0.16 MB/sec execute 86 sec latency 30943.682 ms 1 1409 0.16 MB/sec execute 87 sec latency 31943.913 ms 1 1409 0.16 MB/sec execute 88 sec latency 32944.269 ms 1 1409 0.15 MB/sec execute 89 sec latency 33944.857 ms 1 1409 0.15 MB/sec execute 90 sec latency 34945.135 ms 1 1409 0.15 MB/sec execute 91 sec latency 35948.427 ms 1 1409 0.15 MB/sec execute 92 sec latency 36948.662 ms 1 1409 0.15 MB/sec execute 93 sec latency 37971.239 ms 1 1409 0.15 MB/sec execute 94 sec latency 38971.517 ms 1 1409 0.14 MB/sec execute 95 sec latency 39971.823 ms 1 1409 0.14 MB/sec execute 96 sec latency 40972.419 ms 1 1409 0.14 MB/sec execute 97 sec latency 41975.800 ms 1 1410 0.14 MB/sec execute 98 sec latency 42846.796 ms 1 1428 0.14 MB/sec execute 99 sec latency 436.511 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 162 71.786 436.494 Close 146 580.568 42846.764 Rename 10 97.129 142.022 Unlink 19 26.757 36.732 Qpathinfo 108 21.209 106.065 Qfileinfo 57 2.019 15.610 Qfsinfo 33 3.100 25.638 Sfileinfo 34 59.025 88.864 Find 50 6.255 49.667 WriteX 258 12.656 103.350 ReadX 230 2.662 73.685 Flush 24 138.488 398.498 Throughput 0.138706 MB/sec 1 clients 1 procs max_latency=42846.796 ms stopping dbench on /mnt/lustre at Fri Aug 21 23:06:21 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg435-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 23:06:29 EDT 2026 waiting for dbench pid 47230 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 51 2.09 MB/sec warmup 1 sec latency 103.513 ms 1 107 2.51 MB/sec warmup 2 sec latency 154.041 ms 1 144 2.04 MB/sec warmup 3 sec latency 141.607 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3692544 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3735552 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7428096 1% /mnt/lustre 1 173 1.76 MB/sec warmup 4 sec latency 171.745 ms 1 198 1.56 MB/sec warmup 5 sec latency 173.308 ms 1 240 1.52 MB/sec warmup 6 sec latency 111.491 ms 1 279 1.49 MB/sec warmup 7 sec latency 167.166 ms 1 315 1.43 MB/sec warmup 8 sec latency 175.289 ms 1 349 1.39 MB/sec warmup 9 sec latency 165.533 ms test_26 fail mds1 3 times 1 389 1.38 MB/sec warmup 10 sec latency 146.359 ms 1 428 1.37 MB/sec warmup 11 sec latency 151.514 ms Failing mds1 on oleg435-server 1 457 1.33 MB/sec warmup 12 sec latency 205.083 ms Stopping /mnt/lustre-mds1 (opts:) on oleg435-server 1 493 1.32 MB/sec warmup 13 sec latency 123.329 ms 1 510 1.26 MB/sec warmup 14 sec latency 505.770 ms 1 510 1.18 MB/sec warmup 15 sec latency 1505.960 ms 23:06:45 (1787368005) shut down 1 510 1.10 MB/sec warmup 16 sec latency 2513.057 ms facet: mds1 facet_host: oleg435-server facet_failover_host: oleg435-server 1 510 1.04 MB/sec warmup 17 sec latency 3513.311 ms 1 510 0.98 MB/sec warmup 18 sec latency 4513.594 ms 1 510 0.93 MB/sec warmup 19 sec latency 5516.155 ms 1 510 0.00 MB/sec execute 1 sec latency 7520.896 ms 1 510 0.00 MB/sec execute 2 sec latency 8521.109 ms 1 510 0.00 MB/sec execute 3 sec latency 9522.150 ms 1 510 0.00 MB/sec execute 4 sec latency 10522.414 ms 1 510 0.00 MB/sec execute 5 sec latency 11522.786 ms 1 510 0.00 MB/sec execute 6 sec latency 12523.005 ms Failover mds1 to oleg435-server mount facets: mds1 1 510 0.00 MB/sec execute 7 sec latency 13525.380 ms 1 510 0.00 MB/sec execute 8 sec latency 14525.706 ms 1 510 0.00 MB/sec execute 9 sec latency 15525.960 ms 1 510 0.00 MB/sec execute 10 sec latency 16526.237 ms 1 510 0.00 MB/sec execute 11 sec latency 17527.421 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 510 0.00 MB/sec execute 12 sec latency 18527.733 ms 1 510 0.00 MB/sec execute 13 sec latency 19529.096 ms 1 510 0.00 MB/sec execute 14 sec latency 20534.486 ms 1 510 0.00 MB/sec execute 15 sec latency 21535.198 ms 1 510 0.00 MB/sec execute 16 sec latency 22538.055 ms 1 510 0.00 MB/sec execute 17 sec latency 23538.358 ms 1 510 0.00 MB/sec execute 18 sec latency 24540.834 ms oleg435-server: oleg435-server.virtnet: executing set_default_debug -1 all 1 510 0.00 MB/sec execute 19 sec latency 25541.064 ms pdsh@oleg435-client: oleg435-server: ssh exited with exit code 1 1 510 0.00 MB/sec execute 20 sec latency 26542.897 ms Started lustre-MDT0000 23:07:10 (1787368030) targets are mounted 23:07:10 (1787368030) facet_failover done 1 510 0.00 MB/sec execute 21 sec latency 27545.664 ms 1 510 0.00 MB/sec execute 22 sec latency 28546.315 ms 1 510 0.00 MB/sec execute 23 sec latency 29548.131 ms 1 510 0.00 MB/sec execute 24 sec latency 30549.862 ms 1 510 0.00 MB/sec execute 25 sec latency 31553.783 ms 1 510 0.00 MB/sec execute 26 sec latency 32554.664 ms 1 510 0.00 MB/sec execute 27 sec latency 33554.985 ms 1 510 0.00 MB/sec execute 28 sec latency 34556.483 ms 1 510 0.00 MB/sec execute 29 sec latency 35556.748 ms 1 510 0.00 MB/sec execute 30 sec latency 36558.977 ms 1 510 0.00 MB/sec execute 31 sec latency 37559.233 ms 1 510 0.00 MB/sec execute 32 sec latency 38562.267 ms 1 511 0.00 MB/sec execute 33 sec latency 39271.667 ms 1 545 0.04 MB/sec execute 34 sec latency 296.132 ms 1 636 0.10 MB/sec execute 35 sec latency 103.442 ms 1 664 0.10 MB/sec execute 36 sec latency 188.144 ms 1 686 0.09 MB/sec execute 37 sec latency 242.474 ms 1 713 0.09 MB/sec execute 38 sec latency 130.911 ms 1 735 0.09 MB/sec execute 39 sec latency 263.496 ms oleg435-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 767 0.09 MB/sec execute 40 sec latency 125.746 ms 1 786 0.09 MB/sec execute 41 sec latency 199.304 ms 1 798 0.09 MB/sec execute 42 sec latency 356.478 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 810 0.09 MB/sec execute 43 sec latency 181.274 ms 1 860 0.09 MB/sec execute 44 sec latency 149.525 ms 1 882 0.09 MB/sec execute 45 sec latency 229.436 ms 1 910 0.09 MB/sec execute 46 sec latency 172.452 ms 1 933 0.09 MB/sec execute 47 sec latency 176.306 ms 1 969 0.09 MB/sec execute 48 sec latency 133.271 ms 1 985 0.09 MB/sec execute 49 sec latency 289.238 ms 1 1045 0.10 MB/sec execute 50 sec latency 104.218 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1102 0.10 MB/sec execute 51 sec latency 96.955 ms 1 1148 0.10 MB/sec execute 52 sec latency 99.743 ms 1 1197 0.10 MB/sec execute 53 sec latency 91.269 ms 1 1231 0.10 MB/sec execute 54 sec latency 158.579 ms 1 1263 0.10 MB/sec execute 55 sec latency 118.056 ms 1 1394 0.15 MB/sec execute 56 sec latency 90.732 ms 1 1433 0.15 MB/sec execute 57 sec latency 104.052 ms 1 1481 0.14 MB/sec execute 58 sec latency 173.935 ms 1 1517 0.14 MB/sec execute 59 sec latency 287.179 ms 1 1568 0.14 MB/sec execute 60 sec latency 99.800 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 21 23:07:50 EDT 2026 with return code 0 47230 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47230 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished