== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:20:40 (1788571240) Starting client oleg628-client.virtnet: -o user_xattr,flock 192.168.206.128@tcp:/lustre /mnt/lustre Started clients oleg628-client.virtnet: 192.168.206.128@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 45214 Started dbench loop with 45215 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 18432 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7500800 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 Sep 4 21:20:46 EDT 2026 waiting for dbench pid 45284 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 104.248 ms 1 86 1.96 MB/sec warmup 2 sec latency 191.803 ms 1 129 1.92 MB/sec warmup 3 sec latency 154.005 ms 1 165 1.70 MB/sec warmup 4 sec latency 149.758 ms test_26 fail mds1 1 times 1 197 1.57 MB/sec warmup 5 sec latency 146.312 ms 1 230 1.48 MB/sec warmup 6 sec latency 181.993 ms Failing mds1 on oleg628-server 1 259 1.39 MB/sec warmup 7 sec latency 139.010 ms Stopping /mnt/lustre-mds1 (opts:) on oleg628-server 1 295 1.36 MB/sec warmup 8 sec latency 159.079 ms 1 313 1.27 MB/sec warmup 9 sec latency 514.423 ms 1 313 1.15 MB/sec warmup 10 sec latency 1516.903 ms 1 313 1.04 MB/sec warmup 11 sec latency 2517.154 ms 21:20:58 (1788571258) shut down facet: mds1 facet_host: oleg628-server facet_failover_host: oleg628-server 1 313 0.96 MB/sec warmup 12 sec latency 3517.625 ms 1 313 0.88 MB/sec warmup 13 sec latency 4517.825 ms 1 313 0.82 MB/sec warmup 14 sec latency 5518.124 ms 1 313 0.76 MB/sec warmup 15 sec latency 6520.158 ms 1 313 0.72 MB/sec warmup 16 sec latency 7520.568 ms 1 313 0.67 MB/sec warmup 17 sec latency 8524.532 ms 1 313 0.64 MB/sec warmup 18 sec latency 9525.113 ms 1 313 0.60 MB/sec warmup 19 sec latency 10525.591 ms 1 313 0.00 MB/sec execute 1 sec latency 12531.094 ms Failover mds1 to oleg628-server mount facets: mds1 1 313 0.00 MB/sec execute 2 sec latency 13531.294 ms 1 313 0.00 MB/sec execute 3 sec latency 14531.631 ms 1 313 0.00 MB/sec execute 4 sec latency 15533.937 ms 1 313 0.00 MB/sec execute 5 sec latency 16536.904 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 313 0.00 MB/sec execute 6 sec latency 17537.056 ms 1 313 0.00 MB/sec execute 7 sec latency 18537.317 ms 1 313 0.00 MB/sec execute 8 sec latency 19538.132 ms 1 313 0.00 MB/sec execute 9 sec latency 20538.772 ms 1 313 0.00 MB/sec execute 10 sec latency 21539.090 ms 1 313 0.00 MB/sec execute 11 sec latency 22541.604 ms 1 314 0.00 MB/sec execute 12 sec latency 23533.766 ms oleg628-server: oleg628-server.virtnet: executing set_default_debug -1 all 1 339 0.06 MB/sec execute 13 sec latency 292.448 ms pdsh@oleg628-client: oleg628-server: ssh exited with exit code 1 1 373 0.13 MB/sec execute 14 sec latency 138.963 ms Started lustre-MDT0000 21:21:21 (1788571281) targets are mounted 21:21:21 (1788571281) facet_failover done 1 421 0.23 MB/sec execute 15 sec latency 109.924 ms 1 469 0.31 MB/sec execute 16 sec latency 86.201 ms 1 503 0.35 MB/sec execute 17 sec latency 137.616 ms 1 542 0.42 MB/sec execute 18 sec latency 200.604 ms 1 616 0.50 MB/sec execute 19 sec latency 155.032 ms 1 664 0.48 MB/sec execute 20 sec latency 260.346 ms 1 686 0.46 MB/sec execute 21 sec latency 407.648 ms 1 711 0.44 MB/sec execute 22 sec latency 142.738 ms oleg628-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 731 0.43 MB/sec execute 23 sec latency 243.078 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 762 0.41 MB/sec execute 24 sec latency 134.836 ms 1 789 0.40 MB/sec execute 25 sec latency 132.633 ms 1 806 0.38 MB/sec execute 26 sec latency 290.794 ms 1 851 0.37 MB/sec execute 27 sec latency 114.791 ms 1 876 0.36 MB/sec execute 28 sec latency 268.394 ms 1 907 0.35 MB/sec execute 29 sec latency 151.694 ms 1 936 0.34 MB/sec execute 30 sec latency 261.994 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 21504 3700736 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3675136 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 56320 7375872 1% /mnt/lustre 1 970 0.33 MB/sec execute 31 sec latency 167.233 ms 1 990 0.33 MB/sec execute 32 sec latency 209.136 ms 1 1057 0.35 MB/sec execute 33 sec latency 84.035 ms 1 1086 0.34 MB/sec execute 34 sec latency 156.863 ms 1 1139 0.33 MB/sec execute 35 sec latency 84.071 ms 1 1193 0.32 MB/sec execute 36 sec latency 82.901 ms test_26 fail mds1 2 times 1 1245 0.31 MB/sec execute 37 sec latency 106.218 ms 1 1387 0.38 MB/sec execute 38 sec latency 80.101 ms Failing mds1 on oleg628-server 1 1426 0.37 MB/sec execute 39 sec latency 115.296 ms Stopping /mnt/lustre-mds1 (opts:) on oleg628-server 1 1481 0.36 MB/sec execute 40 sec latency 82.338 ms 1 1481 0.35 MB/sec execute 41 sec latency 1037.142 ms 1 1481 0.35 MB/sec execute 42 sec latency 2037.373 ms 21:21:49 (1788571309) shut down facet: mds1 facet_host: oleg628-server facet_failover_host: oleg628-server 1 1481 0.34 MB/sec execute 43 sec latency 3038.516 ms 1 1481 0.33 MB/sec execute 44 sec latency 4040.502 ms 1 1481 0.32 MB/sec execute 45 sec latency 5040.734 ms 1 1481 0.32 MB/sec execute 46 sec latency 6043.390 ms 1 1481 0.31 MB/sec execute 47 sec latency 7043.687 ms 1 1481 0.30 MB/sec execute 48 sec latency 8044.592 ms 1 1481 0.30 MB/sec execute 49 sec latency 9044.820 ms 1 1481 0.29 MB/sec execute 50 sec latency 10045.048 ms 1 1481 0.29 MB/sec execute 51 sec latency 11045.463 ms 1 1481 0.28 MB/sec execute 52 sec latency 12045.781 ms Failover mds1 to oleg628-server mount facets: mds1 1 1481 0.27 MB/sec execute 53 sec latency 13065.372 ms 1 1481 0.27 MB/sec execute 54 sec latency 14065.613 ms 1 1481 0.26 MB/sec execute 55 sec latency 15065.866 ms 1 1481 0.26 MB/sec execute 56 sec latency 16067.765 ms 1 1481 0.25 MB/sec execute 57 sec latency 17068.515 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1481 0.25 MB/sec execute 58 sec latency 18071.535 ms 1 1481 0.25 MB/sec execute 59 sec latency 19071.937 ms 1 1481 0.24 MB/sec execute 60 sec latency 20072.143 ms 1 1481 0.24 MB/sec execute 61 sec latency 21072.337 ms 1 1481 0.23 MB/sec execute 62 sec latency 22083.313 ms 1 1481 0.23 MB/sec execute 63 sec latency 23085.770 ms oleg628-server: oleg628-server.virtnet: executing set_default_debug -1 all 1 1481 0.23 MB/sec execute 64 sec latency 24093.168 ms 1 1482 0.22 MB/sec execute 65 sec latency 25074.967 ms pdsh@oleg628-client: oleg628-server: ssh exited with exit code 1 1 1499 0.22 MB/sec execute 66 sec latency 202.137 ms 1 1525 0.22 MB/sec execute 67 sec latency 144.487 ms Started lustre-MDT0000 21:22:14 (1788571334) targets are mounted 21:22:14 (1788571334) facet_failover done 1 1560 0.21 MB/sec execute 68 sec latency 204.123 ms 1 1599 0.21 MB/sec execute 69 sec latency 116.070 ms 1 1646 0.21 MB/sec execute 70 sec latency 193.988 ms 1 1685 0.21 MB/sec execute 71 sec latency 152.852 ms 1 1721 0.20 MB/sec execute 72 sec latency 181.482 ms 1 1777 0.20 MB/sec execute 73 sec latency 115.434 ms 1 1825 0.20 MB/sec execute 74 sec latency 105.571 ms oleg628-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1861 0.20 MB/sec execute 75 sec latency 159.091 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1905 0.20 MB/sec execute 76 sec latency 158.143 ms 1 1978 0.19 MB/sec execute 77 sec latency 83.042 ms 1 2004 0.19 MB/sec execute 78 sec latency 132.111 ms 1 2051 0.19 MB/sec execute 79 sec latency 95.105 ms 1 2098 0.19 MB/sec execute 80 sec latency 132.012 ms 1 2152 0.19 MB/sec execute 81 sec latency 147.581 ms 1 2170 0.19 MB/sec execute 82 sec latency 211.531 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 25600 3721216 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 47104 3708928 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7430144 1% /mnt/lustre 1 2209 0.18 MB/sec execute 83 sec latency 126.169 ms 1 2263 0.18 MB/sec execute 84 sec latency 124.666 ms 1 2337 0.19 MB/sec execute 85 sec latency 116.174 ms 1 2359 0.19 MB/sec execute 86 sec latency 289.887 ms 1 2389 0.19 MB/sec execute 87 sec latency 189.465 ms 1 2421 0.19 MB/sec execute 88 sec latency 179.432 ms 1 2473 0.19 MB/sec execute 89 sec latency 92.602 ms test_26 fail mds1 3 times 1 2498 0.19 MB/sec execute 90 sec latency 262.633 ms 1 2566 0.19 MB/sec execute 91 sec latency 119.446 ms Failing mds1 on oleg628-server 1 2566 0.19 MB/sec execute 92 sec latency 1089.435 ms Stopping /mnt/lustre-mds1 (opts:) on oleg628-server 1 2582 0.19 MB/sec execute 93 sec latency 1469.336 ms 1 2609 0.19 MB/sec execute 94 sec latency 198.832 ms 1 2609 0.18 MB/sec execute 95 sec latency 1201.326 ms 1 2609 0.18 MB/sec execute 96 sec latency 2201.510 ms 21:22:43 (1788571363) shut down facet: mds1 facet_host: oleg628-server facet_failover_host: oleg628-server 1 2609 0.18 MB/sec execute 97 sec latency 3201.831 ms 1 2609 0.18 MB/sec execute 98 sec latency 4202.948 ms 1 2609 0.18 MB/sec execute 99 sec latency 5203.183 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec Failover mds1 to oleg628-server mount facets: mds1 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 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 1 cleanup 126 sec oleg628-server: oleg628-server.virtnet: executing set_default_debug -1 all 1 cleanup 127 sec pdsh@oleg628-client: oleg628-server: ssh exited with exit code 1 1 cleanup 128 sec Started lustre-MDT0000 21:23:15 (1788571395) targets are mounted 21:23:15 (1788571395) facet_failover done 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 0 cleanup 136 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 387 226.329 38562.077 Close 334 14.404 44.756 Rename 17 104.527 181.460 Unlink 40 28.951 70.091 Qpathinfo 349 18.943 202.107 Qfileinfo 105 2.124 32.652 Qfsinfo 44 5.029 31.756 Sfileinfo 50 63.708 127.302 Find 119 6.559 49.372 WriteX 387 13.151 106.084 ReadX 431 2.173 116.145 Flush 34 889.449 25074.939 Throughput 0.176683 MB/sec 1 clients 1 procs max_latency=25074.967 ms stopping dbench on /mnt/lustre at Fri Sep 4 21:23:22 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg628-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 Fri Sep 4 21:23:29 EDT 2026 waiting for dbench pid 48236 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 44 1.70 MB/sec warmup 1 sec latency 106.075 ms 1 104 2.42 MB/sec warmup 2 sec latency 141.226 ms 1 133 1.94 MB/sec warmup 3 sec latency 201.997 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3693568 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7434240 1% /mnt/lustre 1 157 1.64 MB/sec warmup 4 sec latency 207.707 ms 1 189 1.52 MB/sec warmup 5 sec latency 157.131 ms 1 226 1.44 MB/sec warmup 6 sec latency 119.919 ms 1 263 1.42 MB/sec warmup 7 sec latency 120.093 ms 1 305 1.40 MB/sec warmup 8 sec latency 133.999 ms 1 349 1.39 MB/sec warmup 9 sec latency 130.642 ms test_26 fail mds1 4 times 1 381 1.35 MB/sec warmup 10 sec latency 149.830 ms Failing mds1 on oleg628-server 1 414 1.33 MB/sec warmup 11 sec latency 150.288 ms 1 453 1.32 MB/sec warmup 12 sec latency 179.517 ms Stopping /mnt/lustre-mds1 (opts:) on oleg628-server 1 493 1.32 MB/sec warmup 13 sec latency 131.895 ms 1 501 1.25 MB/sec warmup 14 sec latency 792.824 ms 1 501 1.16 MB/sec warmup 15 sec latency 1805.035 ms 21:23:45 (1788571425) shut down 1 501 1.09 MB/sec warmup 16 sec latency 2805.232 ms facet: mds1 facet_host: oleg628-server facet_failover_host: oleg628-server 1 501 1.03 MB/sec warmup 17 sec latency 3805.403 ms 1 501 0.97 MB/sec warmup 18 sec latency 4805.787 ms 1 501 0.92 MB/sec warmup 19 sec latency 5807.565 ms 1 501 0.00 MB/sec execute 1 sec latency 7808.951 ms 1 501 0.00 MB/sec execute 2 sec latency 8809.350 ms 1 501 0.00 MB/sec execute 3 sec latency 9810.710 ms 1 501 0.00 MB/sec execute 4 sec latency 10810.900 ms 1 501 0.00 MB/sec execute 5 sec latency 11811.170 ms 1 501 0.00 MB/sec execute 6 sec latency 12812.897 ms Failover mds1 to oleg628-server mount facets: mds1 1 501 0.00 MB/sec execute 7 sec latency 13813.158 ms 1 501 0.00 MB/sec execute 8 sec latency 14815.994 ms 1 501 0.00 MB/sec execute 9 sec latency 15816.333 ms 1 501 0.00 MB/sec execute 10 sec latency 16829.177 ms 1 501 0.00 MB/sec execute 11 sec latency 17831.637 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 501 0.00 MB/sec execute 12 sec latency 18835.482 ms 1 501 0.00 MB/sec execute 13 sec latency 19835.824 ms 1 501 0.00 MB/sec execute 14 sec latency 20836.202 ms 1 501 0.00 MB/sec execute 15 sec latency 21836.545 ms 1 501 0.00 MB/sec execute 16 sec latency 22836.724 ms 1 501 0.00 MB/sec execute 17 sec latency 23837.189 ms 1 501 0.00 MB/sec execute 18 sec latency 24837.497 ms 1 501 0.00 MB/sec execute 19 sec latency 25837.978 ms 1 501 0.00 MB/sec execute 20 sec latency 26840.700 ms 1 501 0.00 MB/sec execute 21 sec latency 27841.716 ms 1 501 0.00 MB/sec execute 22 sec latency 28842.593 ms 1 501 0.00 MB/sec execute 23 sec latency 29843.443 ms 1 501 0.00 MB/sec execute 24 sec latency 30844.875 ms 1 501 0.00 MB/sec execute 25 sec latency 31845.051 ms 1 501 0.00 MB/sec execute 26 sec latency 32845.313 ms oleg628-server: oleg628-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 27 sec latency 33845.548 ms pdsh@oleg628-client: oleg628-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 28 sec latency 34845.717 ms 1 501 0.00 MB/sec execute 29 sec latency 35845.932 ms Started lustre-MDT0000 21:24:18 (1788571458) targets are mounted 21:24:18 (1788571458) facet_failover done 1 501 0.00 MB/sec execute 30 sec latency 36848.012 ms 1 501 0.00 MB/sec execute 31 sec latency 37848.473 ms 1 501 0.00 MB/sec execute 32 sec latency 38848.654 ms 1 501 0.00 MB/sec execute 33 sec latency 39849.764 ms 1 501 0.00 MB/sec execute 34 sec latency 40850.520 ms 1 501 0.00 MB/sec execute 35 sec latency 41851.680 ms 1 501 0.00 MB/sec execute 36 sec latency 42853.789 ms 1 541 0.04 MB/sec execute 37 sec latency 42951.635 ms 1 636 0.09 MB/sec execute 38 sec latency 108.403 ms 1 664 0.09 MB/sec execute 39 sec latency 207.094 ms 1 699 0.09 MB/sec execute 40 sec latency 242.077 ms oleg628-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 730 0.09 MB/sec execute 41 sec latency 188.924 ms 1 765 0.09 MB/sec execute 42 sec latency 114.017 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.09 MB/sec execute 43 sec latency 235.854 ms 1 821 0.09 MB/sec execute 44 sec latency 129.031 ms 1 876 0.09 MB/sec execute 45 sec latency 217.518 ms 1 913 0.09 MB/sec execute 46 sec latency 172.049 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 957 0.09 MB/sec execute 47 sec latency 189.461 ms 1 983 0.09 MB/sec execute 48 sec latency 209.428 ms 1 1051 0.11 MB/sec execute 49 sec latency 134.722 ms 1 1113 0.11 MB/sec execute 50 sec latency 83.567 ms 1 1159 0.11 MB/sec execute 51 sec latency 137.297 ms 1 1202 0.11 MB/sec execute 52 sec latency 78.795 ms 1 1257 0.11 MB/sec execute 53 sec latency 120.982 ms 1 1378 0.16 MB/sec execute 54 sec latency 177.357 ms 1 1421 0.16 MB/sec execute 55 sec latency 78.494 ms 1 1481 0.15 MB/sec execute 56 sec latency 104.023 ms tar: Error is not recoverable: exiting now 1 1525 0.15 MB/sec execute 57 sec latency 236.953 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 21:24:46 EDT 2026 with return code 0 48236 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48236 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished