== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:48:58 (1789026538) Starting client oleg328-client.virtnet: -o user_xattr,flock 192.168.203.128@tcp:/lustre /mnt/lustre Started clients oleg328-client.virtnet: 192.168.203.128@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 45235 Started dbench loop with 45236 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7502848 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 Thu Sep 10 03:49:05 EDT 2026 waiting for dbench pid 45306 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 210.798 ms 1 75 1.61 MB/sec warmup 2 sec latency 239.560 ms 1 129 1.92 MB/sec warmup 3 sec latency 180.551 ms 1 165 1.70 MB/sec warmup 4 sec latency 123.150 ms 1 204 1.59 MB/sec warmup 5 sec latency 129.897 ms test_26 fail mds1 1 times 1 244 1.54 MB/sec warmup 6 sec latency 110.298 ms 1 274 1.45 MB/sec warmup 7 sec latency 176.628 ms Failing mds1 on oleg328-server 1 298 1.37 MB/sec warmup 8 sec latency 223.832 ms Stopping /mnt/lustre-mds1 (opts:) on oleg328-server 1 331 1.33 MB/sec warmup 9 sec latency 165.317 ms 1 341 1.22 MB/sec warmup 10 sec latency 721.412 ms 1 341 1.11 MB/sec warmup 11 sec latency 1723.564 ms 1 341 1.02 MB/sec warmup 12 sec latency 2726.891 ms 03:49:17 (1789026557) shut down facet: mds1 facet_host: oleg328-server facet_failover_host: oleg328-server 1 341 0.94 MB/sec warmup 13 sec latency 3729.231 ms 1 341 0.87 MB/sec warmup 14 sec latency 4729.450 ms 1 341 0.82 MB/sec warmup 15 sec latency 5729.672 ms 1 341 0.77 MB/sec warmup 16 sec latency 6730.338 ms 1 341 0.72 MB/sec warmup 17 sec latency 7730.729 ms 1 341 0.68 MB/sec warmup 18 sec latency 8731.201 ms 1 341 0.64 MB/sec warmup 19 sec latency 9734.363 ms 1 341 0.00 MB/sec execute 1 sec latency 11735.164 ms 1 341 0.00 MB/sec execute 2 sec latency 12735.309 ms Failover mds1 to oleg328-server mount facets: mds1 1 341 0.00 MB/sec execute 3 sec latency 13736.318 ms 1 341 0.00 MB/sec execute 4 sec latency 14736.700 ms 1 341 0.00 MB/sec execute 5 sec latency 15737.626 ms 1 341 0.00 MB/sec execute 6 sec latency 16738.129 ms 1 341 0.00 MB/sec execute 7 sec latency 17744.482 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 341 0.00 MB/sec execute 8 sec latency 18744.690 ms 1 341 0.00 MB/sec execute 9 sec latency 19744.875 ms 1 341 0.00 MB/sec execute 10 sec latency 20745.679 ms 1 341 0.00 MB/sec execute 11 sec latency 21749.850 ms 1 341 0.00 MB/sec execute 12 sec latency 22750.044 ms 1 341 0.00 MB/sec execute 13 sec latency 23750.459 ms 1 341 0.00 MB/sec execute 14 sec latency 24750.652 ms 1 341 0.00 MB/sec execute 15 sec latency 25750.900 ms 1 341 0.00 MB/sec execute 16 sec latency 26752.749 ms 1 341 0.00 MB/sec execute 17 sec latency 27753.247 ms 1 341 0.00 MB/sec execute 18 sec latency 28753.445 ms 1 341 0.00 MB/sec execute 19 sec latency 29754.575 ms 1 341 0.00 MB/sec execute 20 sec latency 30754.892 ms 1 341 0.00 MB/sec execute 21 sec latency 31768.058 ms 1 341 0.00 MB/sec execute 22 sec latency 32768.242 ms 1 341 0.00 MB/sec execute 23 sec latency 33768.556 ms 1 341 0.00 MB/sec execute 24 sec latency 34782.096 ms 1 341 0.00 MB/sec execute 25 sec latency 35782.382 ms 1 341 0.00 MB/sec execute 26 sec latency 36784.465 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 341 0.00 MB/sec execute 27 sec latency 37786.743 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 341 0.00 MB/sec execute 28 sec latency 38791.636 ms 1 341 0.00 MB/sec execute 29 sec latency 39791.852 ms Started lustre-MDT0000 03:49:54 (1789026594) targets are mounted 03:49:54 (1789026594) facet_failover done 1 341 0.00 MB/sec execute 30 sec latency 40793.142 ms 1 348 0.01 MB/sec execute 31 sec latency 41668.083 ms 1 373 0.03 MB/sec execute 32 sec latency 259.721 ms 1 414 0.07 MB/sec execute 33 sec latency 123.054 ms 1 445 0.10 MB/sec execute 34 sec latency 199.976 ms 1 472 0.12 MB/sec execute 35 sec latency 192.270 ms 1 498 0.14 MB/sec execute 36 sec latency 198.396 ms 1 526 0.16 MB/sec execute 37 sec latency 153.824 ms oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 600 0.23 MB/sec execute 38 sec latency 155.646 ms 1 642 0.23 MB/sec execute 39 sec latency 137.231 ms 1 666 0.22 MB/sec execute 40 sec latency 405.945 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 688 0.22 MB/sec execute 41 sec latency 165.521 ms 1 709 0.21 MB/sec execute 42 sec latency 165.564 ms 1 721 0.21 MB/sec execute 43 sec latency 373.155 ms 1 740 0.21 MB/sec execute 44 sec latency 380.112 ms 1 778 0.20 MB/sec execute 45 sec latency 125.923 ms 1 796 0.20 MB/sec execute 46 sec latency 297.345 ms 1 813 0.20 MB/sec execute 47 sec latency 149.357 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 19456 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3722240 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7406592 1% /mnt/lustre 1 865 0.19 MB/sec execute 48 sec latency 147.094 ms 1 885 0.19 MB/sec execute 49 sec latency 226.542 ms 1 903 0.19 MB/sec execute 50 sec latency 181.729 ms 1 926 0.19 MB/sec execute 51 sec latency 175.721 ms 1 963 0.18 MB/sec execute 52 sec latency 153.722 ms 1 985 0.18 MB/sec execute 53 sec latency 236.185 ms test_26 fail mds1 2 times 1 1040 0.20 MB/sec execute 54 sec latency 103.918 ms 1 1080 0.19 MB/sec execute 55 sec latency 91.535 ms 1 1127 0.19 MB/sec execute 56 sec latency 135.688 ms Failing mds1 on oleg328-server 1 1163 0.19 MB/sec execute 57 sec latency 136.090 ms Stopping /mnt/lustre-mds1 (opts:) on oleg328-server 1 1193 0.19 MB/sec execute 58 sec latency 138.296 ms 1 1200 0.18 MB/sec execute 59 sec latency 879.693 ms 1 1200 0.18 MB/sec execute 60 sec latency 1881.837 ms 1 1200 0.18 MB/sec execute 61 sec latency 2882.971 ms 1 1200 0.17 MB/sec execute 62 sec latency 3883.143 ms 03:50:28 (1789026628) shut down facet: mds1 facet_host: oleg328-server facet_failover_host: oleg328-server 1 1200 0.17 MB/sec execute 63 sec latency 4886.573 ms 1 1200 0.17 MB/sec execute 64 sec latency 5887.128 ms 1 1200 0.17 MB/sec execute 65 sec latency 6887.337 ms 1 1200 0.16 MB/sec execute 66 sec latency 7887.546 ms 1 1200 0.16 MB/sec execute 67 sec latency 8888.710 ms 1 1200 0.16 MB/sec execute 68 sec latency 9889.016 ms 1 1200 0.16 MB/sec execute 69 sec latency 10889.273 ms 1 1200 0.15 MB/sec execute 70 sec latency 11889.561 ms 1 1200 0.15 MB/sec execute 71 sec latency 12889.835 ms 1 1200 0.15 MB/sec execute 72 sec latency 13890.069 ms 1 1200 0.15 MB/sec execute 73 sec latency 14890.749 ms Failover mds1 to oleg328-server mount facets: mds1 1 1200 0.15 MB/sec execute 74 sec latency 15893.787 ms 1 1200 0.14 MB/sec execute 75 sec latency 16894.011 ms 1 1200 0.14 MB/sec execute 76 sec latency 17895.017 ms 1 1200 0.14 MB/sec execute 77 sec latency 18897.470 ms 1 1200 0.14 MB/sec execute 78 sec latency 19897.672 ms 1 1200 0.14 MB/sec execute 79 sec latency 20897.921 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1200 0.13 MB/sec execute 80 sec latency 21898.206 ms 1 1200 0.13 MB/sec execute 81 sec latency 22900.560 ms 1 1200 0.13 MB/sec execute 82 sec latency 23900.904 ms 1 1200 0.13 MB/sec execute 83 sec latency 24903.215 ms 1 1200 0.13 MB/sec execute 84 sec latency 25903.581 ms 1 1200 0.13 MB/sec execute 85 sec latency 26903.737 ms 1 1200 0.13 MB/sec execute 86 sec latency 27904.399 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 1200 0.12 MB/sec execute 87 sec latency 28904.560 ms 1 1200 0.12 MB/sec execute 88 sec latency 29908.993 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 1200 0.12 MB/sec execute 89 sec latency 30912.895 ms Started lustre-MDT0000 03:50:55 (1789026655) targets are mounted 03:50:55 (1789026655) facet_failover done 1 1200 0.12 MB/sec execute 90 sec latency 31914.184 ms 1 1200 0.12 MB/sec execute 91 sec latency 32921.149 ms 1 1200 0.12 MB/sec execute 92 sec latency 33921.482 ms 1 1200 0.12 MB/sec execute 93 sec latency 34922.006 ms 1 1200 0.11 MB/sec execute 94 sec latency 35922.210 ms 1 1200 0.11 MB/sec execute 95 sec latency 36922.827 ms 1 1200 0.11 MB/sec execute 96 sec latency 37924.495 ms 1 1200 0.11 MB/sec execute 97 sec latency 38926.506 ms 1 1200 0.11 MB/sec execute 98 sec latency 39927.754 ms 1 1200 0.11 MB/sec execute 99 sec latency 40930.567 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 Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 121 436.226 41668.071 Close 111 15.923 52.645 Rename 8 5493.667 43069.657 Unlink 13 39.408 89.590 Qpathinfo 72 28.198 116.891 Qfileinfo 51 2.849 13.943 Qfsinfo 28 5.811 34.518 Sfileinfo 27 70.790 136.064 Find 36 8.145 74.072 WriteX 246 16.040 81.018 ReadX 123 5.165 91.155 Flush 24 160.944 405.924 Throughput 0.108725 MB/sec 1 clients 1 procs max_latency=41668.083 ms stopping dbench on /mnt/lustre at Thu Sep 10 03:51:10 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Sep 10 03:51:17 EDT 2026 waiting for dbench pid 47247 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 31 1.04 MB/sec warmup 1 sec latency 39.757 ms 1 71 1.57 MB/sec warmup 2 sec latency 203.906 ms 1 121 1.83 MB/sec warmup 3 sec latency 133.803 ms 1 155 1.63 MB/sec warmup 4 sec latency 169.818 ms 1 179 1.45 MB/sec warmup 5 sec latency 176.469 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3712000 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3710976 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 76800 7422976 2% /mnt/lustre 1 202 1.30 MB/sec warmup 6 sec latency 169.319 ms 1 247 1.34 MB/sec warmup 7 sec latency 92.506 ms 1 280 1.30 MB/sec warmup 8 sec latency 178.504 ms 1 315 1.27 MB/sec warmup 9 sec latency 155.379 ms 1 347 1.24 MB/sec warmup 10 sec latency 145.832 ms 1 384 1.23 MB/sec warmup 11 sec latency 128.845 ms test_26 fail mds1 3 times 1 421 1.24 MB/sec warmup 12 sec latency 120.994 ms 1 453 1.22 MB/sec warmup 13 sec latency 151.082 ms Failing mds1 on oleg328-server 1 486 1.21 MB/sec warmup 14 sec latency 173.373 ms Stopping /mnt/lustre-mds1 (opts:) on oleg328-server 1 508 1.17 MB/sec warmup 15 sec latency 223.419 ms 1 531 1.15 MB/sec warmup 16 sec latency 207.790 ms 1 542 1.12 MB/sec warmup 17 sec latency 873.430 ms 1 542 1.06 MB/sec warmup 18 sec latency 1873.741 ms 03:51:36 (1789026696) shut down 1 542 1.00 MB/sec warmup 19 sec latency 2875.508 ms facet: mds1 facet_host: oleg328-server facet_failover_host: oleg328-server 1 542 0.00 MB/sec execute 1 sec latency 4875.971 ms 1 542 0.00 MB/sec execute 2 sec latency 5876.153 ms 1 542 0.00 MB/sec execute 3 sec latency 6879.017 ms 1 542 0.00 MB/sec execute 4 sec latency 7879.213 ms 1 542 0.00 MB/sec execute 5 sec latency 8882.367 ms 1 542 0.00 MB/sec execute 6 sec latency 9882.937 ms 1 542 0.00 MB/sec execute 7 sec latency 10887.190 ms 1 542 0.00 MB/sec execute 8 sec latency 11888.956 ms 1 542 0.00 MB/sec execute 9 sec latency 12891.727 ms Failover mds1 to oleg328-server mount facets: mds1 1 542 0.00 MB/sec execute 10 sec latency 13891.855 ms 1 542 0.00 MB/sec execute 11 sec latency 14892.930 ms 1 542 0.00 MB/sec execute 12 sec latency 15893.208 ms 1 542 0.00 MB/sec execute 13 sec latency 16893.549 ms 1 542 0.00 MB/sec execute 14 sec latency 17893.930 ms 1 542 0.00 MB/sec execute 15 sec latency 18894.904 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 542 0.00 MB/sec execute 16 sec latency 19902.419 ms 1 542 0.00 MB/sec execute 17 sec latency 20905.147 ms 1 542 0.00 MB/sec execute 18 sec latency 21905.618 ms 1 542 0.00 MB/sec execute 19 sec latency 22905.809 ms 1 542 0.00 MB/sec execute 20 sec latency 23906.103 ms 1 542 0.00 MB/sec execute 21 sec latency 24906.536 ms 1 542 0.00 MB/sec execute 22 sec latency 25907.365 ms 1 542 0.00 MB/sec execute 23 sec latency 26907.669 ms oleg328-server: oleg328-server.virtnet: executing set_default_debug -1 all 1 542 0.00 MB/sec execute 24 sec latency 27913.690 ms 1 542 0.00 MB/sec execute 25 sec latency 28914.063 ms pdsh@oleg328-client: oleg328-server: ssh exited with exit code 1 1 542 0.00 MB/sec execute 26 sec latency 29916.082 ms Started lustre-MDT0000 03:52:04 (1789026724) targets are mounted 03:52:04 (1789026724) facet_failover done 1 542 0.00 MB/sec execute 27 sec latency 30916.269 ms 1 542 0.00 MB/sec execute 28 sec latency 31916.493 ms 1 542 0.00 MB/sec execute 29 sec latency 32928.248 ms 1 542 0.00 MB/sec execute 30 sec latency 33929.562 ms 1 542 0.00 MB/sec execute 31 sec latency 34929.812 ms 1 542 0.00 MB/sec execute 32 sec latency 35930.602 ms 1 542 0.00 MB/sec execute 33 sec latency 36930.833 ms 1 542 0.00 MB/sec execute 34 sec latency 37931.855 ms 1 542 0.00 MB/sec execute 35 sec latency 38932.057 ms 1 542 0.00 MB/sec execute 36 sec latency 39932.792 ms 1 542 0.00 MB/sec execute 37 sec latency 40933.653 ms 1 542 0.00 MB/sec execute 38 sec latency 41934.545 ms 1 542 0.00 MB/sec execute 39 sec latency 42934.736 ms 1 542 0.00 MB/sec execute 40 sec latency 43935.366 ms 1 542 0.00 MB/sec execute 41 sec latency 44935.840 ms 1 573 0.00 MB/sec execute 42 sec latency 45494.733 ms 1 614 0.04 MB/sec execute 43 sec latency 212.670 ms 1 664 0.05 MB/sec execute 44 sec latency 142.448 ms 1 686 0.05 MB/sec execute 45 sec latency 242.521 ms 1 718 0.05 MB/sec execute 46 sec latency 135.969 ms 1 735 0.05 MB/sec execute 47 sec latency 260.668 ms oleg328-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 776 0.05 MB/sec execute 48 sec latency 114.333 ms 1 796 0.05 MB/sec execute 49 sec latency 218.462 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 815 0.05 MB/sec execute 50 sec latency 150.343 ms 1 873 0.05 MB/sec execute 51 sec latency 142.190 ms 1 903 0.05 MB/sec execute 52 sec latency 208.264 ms 1 932 0.05 MB/sec execute 53 sec latency 250.136 ms 1 980 0.05 MB/sec execute 54 sec latency 110.904 ms 1 1000 0.05 MB/sec execute 55 sec latency 281.802 ms 1 1063 0.07 MB/sec execute 56 sec latency 116.208 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1127 0.07 MB/sec execute 57 sec latency 76.711 ms 1 1164 0.07 MB/sec execute 58 sec latency 85.192 ms 1 1207 0.07 MB/sec execute 59 sec latency 79.838 ms 1 1233 0.07 MB/sec execute 60 sec latency 123.481 ms 1 1274 0.07 MB/sec execute 61 sec latency 105.855 ms 1 1403 0.11 MB/sec execute 62 sec latency 105.666 ms 1 1446 0.11 MB/sec execute 63 sec latency 90.135 ms 1 1481 0.11 MB/sec execute 64 sec latency 253.744 ms 1 1511 0.11 MB/sec execute 65 sec latency 384.973 ms 1 1567 0.11 MB/sec execute 66 sec latency 111.464 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1608 0.11 MB/sec execute 67 sec latency 77.134 ms stopping dbench on /mnt/lustre at Thu Sep 10 03:52:44 EDT 2026 with return code 0 47247 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47247 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished