== replay-dual test 26: dbench and tar with mds failover ========================================================== 01:37:11 (1787895431) Starting client oleg634-client.virtnet: -o user_xattr,flock 192.168.206.134@tcp:/lustre /mnt/lustre Started clients oleg634-client.virtnet: 192.168.206.134@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 45160 Started dbench loop with 45161 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 22528 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7492608 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 28 01:37:16 EDT 2026 waiting for dbench pid 45216 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 14 0.00 MB/sec warmup 1 sec latency 90.265 ms 1 51 1.05 MB/sec warmup 2 sec latency 183.998 ms 1 111 1.74 MB/sec warmup 3 sec latency 176.312 ms 1 137 1.50 MB/sec warmup 4 sec latency 194.133 ms 1 166 1.36 MB/sec warmup 5 sec latency 142.067 ms test_26 fail mds1 1 times 1 197 1.31 MB/sec warmup 6 sec latency 146.530 ms 1 223 1.23 MB/sec warmup 7 sec latency 149.451 ms 1 248 1.17 MB/sec warmup 8 sec latency 202.393 ms Failing mds1 on oleg634-server 1 275 1.14 MB/sec warmup 9 sec latency 173.629 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 305 1.12 MB/sec warmup 10 sec latency 202.237 ms 1 323 1.07 MB/sec warmup 11 sec latency 197.371 ms 1 323 0.98 MB/sec warmup 12 sec latency 1188.020 ms 1 323 0.90 MB/sec warmup 13 sec latency 2188.382 ms 1 323 0.84 MB/sec warmup 14 sec latency 3188.680 ms 01:37:31 (1787895451) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 323 0.78 MB/sec warmup 15 sec latency 4189.150 ms 1 323 0.73 MB/sec warmup 16 sec latency 5190.843 ms 1 323 0.69 MB/sec warmup 17 sec latency 6191.137 ms 1 323 0.65 MB/sec warmup 18 sec latency 7191.352 ms 1 323 0.62 MB/sec warmup 19 sec latency 8191.553 ms 1 323 0.00 MB/sec execute 1 sec latency 10191.868 ms 1 323 0.00 MB/sec execute 2 sec latency 11192.107 ms 1 323 0.00 MB/sec execute 3 sec latency 12192.327 ms 1 323 0.00 MB/sec execute 4 sec latency 13194.557 ms Failover mds1 to oleg634-server mount facets: mds1 1 323 0.00 MB/sec execute 5 sec latency 14198.754 ms 1 323 0.00 MB/sec execute 6 sec latency 15199.114 ms 1 323 0.00 MB/sec execute 7 sec latency 16199.361 ms 1 323 0.00 MB/sec execute 8 sec latency 17199.792 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 323 0.00 MB/sec execute 9 sec latency 18200.626 ms 1 323 0.00 MB/sec execute 10 sec latency 19200.812 ms 1 323 0.00 MB/sec execute 11 sec latency 20201.137 ms 1 323 0.00 MB/sec execute 12 sec latency 21203.891 ms 1 323 0.00 MB/sec execute 13 sec latency 22208.052 ms 1 323 0.00 MB/sec execute 14 sec latency 23208.300 ms 1 323 0.00 MB/sec execute 15 sec latency 24208.525 ms 1 323 0.00 MB/sec execute 16 sec latency 25209.719 ms 1 323 0.00 MB/sec execute 17 sec latency 26210.897 ms 1 323 0.00 MB/sec execute 18 sec latency 27211.292 ms 1 323 0.00 MB/sec execute 19 sec latency 28224.394 ms 1 323 0.00 MB/sec execute 20 sec latency 29224.684 ms 1 323 0.00 MB/sec execute 21 sec latency 30224.980 ms 1 323 0.00 MB/sec execute 22 sec latency 31225.220 ms 1 323 0.00 MB/sec execute 23 sec latency 32225.430 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 323 0.00 MB/sec execute 24 sec latency 33229.756 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 323 0.00 MB/sec execute 25 sec latency 34230.042 ms Started lustre-MDT0000 01:38:02 (1787895482) targets are mounted 01:38:02 (1787895482) facet_failover done 1 323 0.00 MB/sec execute 26 sec latency 35232.212 ms 1 323 0.00 MB/sec execute 27 sec latency 36232.376 ms 1 323 0.00 MB/sec execute 28 sec latency 37237.166 ms 1 323 0.00 MB/sec execute 29 sec latency 38237.316 ms 1 341 0.02 MB/sec execute 30 sec latency 38656.164 ms 1 381 0.06 MB/sec execute 31 sec latency 128.596 ms 1 421 0.10 MB/sec execute 32 sec latency 124.304 ms 1 461 0.13 MB/sec execute 33 sec latency 159.392 ms 1 493 0.16 MB/sec execute 34 sec latency 145.480 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 513 0.17 MB/sec execute 35 sec latency 169.886 ms 1 589 0.24 MB/sec execute 36 sec latency 182.216 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 639 0.25 MB/sec execute 37 sec latency 119.468 ms 1 666 0.25 MB/sec execute 38 sec latency 291.171 ms 1 695 0.24 MB/sec execute 39 sec latency 156.235 ms 1 723 0.24 MB/sec execute 40 sec latency 238.320 ms 1 745 0.23 MB/sec execute 41 sec latency 151.503 ms 1 781 0.23 MB/sec execute 42 sec latency 135.566 ms 1 806 0.23 MB/sec execute 43 sec latency 174.583 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3713024 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3698688 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7411712 1% /mnt/lustre 1 851 0.22 MB/sec execute 44 sec latency 124.661 ms 1 882 0.22 MB/sec execute 45 sec latency 214.835 ms 1 913 0.22 MB/sec execute 46 sec latency 99.843 ms 1 943 0.21 MB/sec execute 47 sec latency 144.011 ms 1 977 0.21 MB/sec execute 48 sec latency 119.407 ms 1 1028 0.23 MB/sec execute 49 sec latency 151.083 ms test_26 fail mds1 2 times 1 1074 0.22 MB/sec execute 50 sec latency 94.088 ms 1 1117 0.22 MB/sec execute 51 sec latency 130.542 ms Failing mds1 on oleg634-server 1 1147 0.22 MB/sec execute 52 sec latency 100.715 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 1192 0.21 MB/sec execute 53 sec latency 91.358 ms 1 1196 0.21 MB/sec execute 54 sec latency 898.349 ms 1 1196 0.21 MB/sec execute 55 sec latency 1898.852 ms 01:38:32 (1787895512) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 1196 0.20 MB/sec execute 56 sec latency 2899.416 ms 1 1196 0.20 MB/sec execute 57 sec latency 3900.335 ms 1 1196 0.19 MB/sec execute 58 sec latency 4900.534 ms 1 1196 0.19 MB/sec execute 59 sec latency 5900.811 ms 1 1196 0.19 MB/sec execute 60 sec latency 6901.554 ms 1 1196 0.19 MB/sec execute 61 sec latency 7902.549 ms 1 1196 0.18 MB/sec execute 62 sec latency 8902.750 ms 1 1196 0.18 MB/sec execute 63 sec latency 9903.678 ms 1 1196 0.18 MB/sec execute 64 sec latency 10905.070 ms 1 1196 0.17 MB/sec execute 65 sec latency 11905.469 ms Failover mds1 to oleg634-server mount facets: mds1 1 1196 0.17 MB/sec execute 66 sec latency 12908.515 ms 1 1196 0.17 MB/sec execute 67 sec latency 13911.563 ms 1 1196 0.17 MB/sec execute 68 sec latency 14911.777 ms 1 1196 0.16 MB/sec execute 69 sec latency 15913.187 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1196 0.16 MB/sec execute 70 sec latency 16913.466 ms 1 1196 0.16 MB/sec execute 71 sec latency 17913.983 ms 1 1196 0.16 MB/sec execute 72 sec latency 18914.539 ms 1 1196 0.15 MB/sec execute 73 sec latency 19914.966 ms 1 1196 0.15 MB/sec execute 74 sec latency 20916.550 ms 1 1196 0.15 MB/sec execute 75 sec latency 21921.720 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 1196 0.15 MB/sec execute 76 sec latency 22922.252 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 1225 0.15 MB/sec execute 77 sec latency 23016.762 ms Started lustre-MDT0000 01:38:54 (1787895534) targets are mounted 01:38:54 (1787895534) facet_failover done 1 1268 0.15 MB/sec execute 78 sec latency 120.550 ms 1 1405 0.18 MB/sec execute 79 sec latency 97.317 ms 1 1447 0.18 MB/sec execute 80 sec latency 122.851 ms 1 1481 0.18 MB/sec execute 81 sec latency 403.722 ms 1 1518 0.17 MB/sec execute 82 sec latency 418.707 ms 1 1574 0.17 MB/sec execute 83 sec latency 105.119 ms 1 1621 0.17 MB/sec execute 84 sec latency 96.451 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1653 0.17 MB/sec execute 85 sec latency 263.868 ms 1 1687 0.17 MB/sec execute 86 sec latency 119.568 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1736 0.17 MB/sec execute 87 sec latency 101.767 ms 1 1785 0.17 MB/sec execute 88 sec latency 92.814 ms 1 1836 0.16 MB/sec execute 89 sec latency 124.954 ms 1 1877 0.16 MB/sec execute 90 sec latency 101.088 ms 1 1926 0.16 MB/sec execute 91 sec latency 198.305 ms 1 1986 0.16 MB/sec execute 92 sec latency 89.257 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] 1 2020 0.16 MB/sec execute 93 sec latency 110.712 ms lustre-OST0000_UUID 3771392 26624 3712000 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 46080 3683328 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7395328 1% /mnt/lustre 1 2080 0.16 MB/sec execute 94 sec latency 123.990 ms 1 2127 0.16 MB/sec execute 95 sec latency 130.429 ms 1 2156 0.16 MB/sec execute 96 sec latency 159.005 ms 1 2198 0.15 MB/sec execute 97 sec latency 128.012 ms 1 2288 0.16 MB/sec execute 98 sec latency 72.002 ms test_26 fail mds1 3 times 1 2350 0.16 MB/sec execute 99 sec latency 202.984 ms 1 cleanup 100 sec Failing mds1 on oleg634-server 1 cleanup 101 sec Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 01:39:21 (1787895561) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 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 Failover mds1 to oleg634-server mount facets: mds1 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 cleanup 127 sec 1 cleanup 128 sec pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 0 cleanup 129 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 352 172.041 38656.144 Close 307 13.257 63.476 Rename 12 90.148 147.846 Unlink 31 29.791 70.733 Qpathinfo 311 91.898 23016.732 Qfileinfo 95 2.012 10.118 Qfsinfo 38 4.182 24.173 Sfileinfo 40 60.830 120.535 Find 105 7.154 72.093 WriteX 353 13.577 64.136 ReadX 379 2.318 130.523 Flush 32 151.017 418.685 Throughput 0.162895 MB/sec 1 clients 1 procs max_latency=38656.164 ms stopping dbench on /mnt/lustre at Fri Aug 28 01:39:45 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre Started lustre-MDT0000 removed 'client.txt' /mnt/lustre dbench successfully finished 01:39:46 (1787895586) targets are mounted 01:39:46 (1787895586) facet_failover done 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 28 01:39:51 EDT 2026 waiting for dbench pid 47799 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 47 1.89 MB/sec warmup 1 sec latency 124.162 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 111 2.62 MB/sec warmup 2 sec latency 111.590 ms 1 145 2.07 MB/sec warmup 3 sec latency 155.254 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 174 1.76 MB/sec warmup 4 sec latency 161.827 ms 1 200 1.56 MB/sec warmup 5 sec latency 211.582 ms 1 247 1.56 MB/sec warmup 6 sec latency 135.132 ms 1 287 1.53 MB/sec warmup 7 sec latency 107.178 ms 1 323 1.47 MB/sec warmup 8 sec latency 187.387 ms 1 379 1.50 MB/sec warmup 9 sec latency 99.317 ms 1 422 1.48 MB/sec warmup 10 sec latency 102.551 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 41984 3687424 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 16384 3739648 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7427072 1% /mnt/lustre 1 469 1.49 MB/sec warmup 11 sec latency 130.722 ms 1 513 1.47 MB/sec warmup 12 sec latency 98.772 ms 1 603 1.61 MB/sec warmup 13 sec latency 130.494 ms 1 661 1.51 MB/sec warmup 14 sec latency 97.071 ms 1 689 1.41 MB/sec warmup 15 sec latency 172.945 ms test_26 fail mds1 4 times 1 723 1.33 MB/sec warmup 16 sec latency 178.688 ms 1 743 1.25 MB/sec warmup 17 sec latency 133.048 ms Failing mds1 on oleg634-server 1 789 1.19 MB/sec warmup 18 sec latency 150.326 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 817 1.13 MB/sec warmup 19 sec latency 150.741 ms 1 825 0.00 MB/sec execute 1 sec latency 1858.434 ms 01:40:12 (1787895612) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 825 0.00 MB/sec execute 2 sec latency 2861.540 ms 1 825 0.00 MB/sec execute 3 sec latency 3861.786 ms 1 825 0.00 MB/sec execute 4 sec latency 4862.033 ms 1 825 0.00 MB/sec execute 5 sec latency 5862.370 ms 1 825 0.00 MB/sec execute 6 sec latency 6862.641 ms 1 825 0.00 MB/sec execute 7 sec latency 7862.992 ms 1 825 0.00 MB/sec execute 8 sec latency 8863.231 ms 1 825 0.00 MB/sec execute 9 sec latency 9863.493 ms 1 825 0.00 MB/sec execute 10 sec latency 10863.703 ms 1 825 0.00 MB/sec execute 11 sec latency 11864.495 ms Failover mds1 to oleg634-server mount facets: mds1 1 825 0.00 MB/sec execute 12 sec latency 12866.071 ms 1 825 0.00 MB/sec execute 13 sec latency 13866.452 ms 1 825 0.00 MB/sec execute 14 sec latency 14866.701 ms 1 825 0.00 MB/sec execute 15 sec latency 15867.643 ms 1 825 0.00 MB/sec execute 16 sec latency 16867.806 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 825 0.00 MB/sec execute 17 sec latency 17868.011 ms 1 825 0.00 MB/sec execute 18 sec latency 18868.259 ms 1 825 0.00 MB/sec execute 19 sec latency 19870.619 ms 1 825 0.00 MB/sec execute 20 sec latency 20871.321 ms 1 825 0.00 MB/sec execute 21 sec latency 21871.642 ms 1 825 0.00 MB/sec execute 22 sec latency 22872.630 ms 1 825 0.00 MB/sec execute 23 sec latency 23873.013 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 825 0.00 MB/sec execute 24 sec latency 24874.095 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 825 0.00 MB/sec execute 25 sec latency 25875.496 ms Started lustre-MDT0000 01:40:37 (1787895637) targets are mounted 1 825 0.00 MB/sec execute 26 sec latency 26878.969 ms 01:40:37 (1787895637) facet_failover done 1 825 0.00 MB/sec execute 27 sec latency 27879.303 ms 1 825 0.00 MB/sec execute 28 sec latency 28879.505 ms 1 825 0.00 MB/sec execute 29 sec latency 29879.788 ms 1 825 0.00 MB/sec execute 30 sec latency 30880.227 ms 1 825 0.00 MB/sec execute 31 sec latency 31881.753 ms 1 825 0.00 MB/sec execute 32 sec latency 32883.242 ms 1 825 0.00 MB/sec execute 33 sec latency 33888.136 ms 1 825 0.00 MB/sec execute 34 sec latency 34889.339 ms 1 825 0.00 MB/sec execute 35 sec latency 35889.764 ms 1 825 0.00 MB/sec execute 36 sec latency 36890.247 ms 1 825 0.00 MB/sec execute 37 sec latency 37892.354 ms 1 825 0.00 MB/sec execute 38 sec latency 38892.525 ms 1 849 0.00 MB/sec execute 39 sec latency 39573.318 ms 1 873 0.00 MB/sec execute 40 sec latency 121.973 ms 1 885 0.00 MB/sec execute 41 sec latency 411.641 ms 1 910 0.01 MB/sec execute 42 sec latency 133.721 ms 1 923 0.01 MB/sec execute 43 sec latency 353.500 ms 1 959 0.01 MB/sec execute 44 sec latency 184.809 ms 1 977 0.01 MB/sec execute 45 sec latency 201.272 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 988 0.01 MB/sec execute 46 sec latency 294.468 ms 1 1056 0.03 MB/sec execute 47 sec latency 116.448 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1102 0.03 MB/sec execute 48 sec latency 100.635 ms 1 1145 0.03 MB/sec execute 49 sec latency 157.027 ms 1 1190 0.03 MB/sec execute 50 sec latency 124.092 ms 1 1225 0.03 MB/sec execute 51 sec latency 104.590 ms 1 1260 0.03 MB/sec execute 52 sec latency 139.570 ms 1 1399 0.09 MB/sec execute 53 sec latency 100.110 ms 1 1459 0.08 MB/sec execute 54 sec latency 63.531 ms 1 1505 0.08 MB/sec execute 55 sec latency 222.536 ms 1 1566 0.08 MB/sec execute 56 sec latency 75.517 ms 1 1625 0.08 MB/sec execute 57 sec latency 88.991 ms 1 1662 0.08 MB/sec execute 58 sec latency 225.757 ms 1 1721 0.08 MB/sec execute 59 sec latency 102.393 ms 1 1793 0.08 MB/sec execute 60 sec latency 76.946 ms 1 1843 0.08 MB/sec execute 61 sec latency 107.940 ms 1 1886 0.08 MB/sec execute 62 sec latency 274.180 ms 1 1953 0.08 MB/sec execute 63 sec latency 208.463 ms 1 2008 0.08 MB/sec execute 64 sec latency 111.021 ms 1 2088 0.08 MB/sec execute 65 sec latency 84.413 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 28 01:41:17 EDT 2026 with return code 0 1 2150 0.08 MB/sec execute 66 sec latency 82.164 ms 47799 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47799 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished