== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:48:02 (1788853682) Starting client oleg347-client.virtnet: -o user_xattr,flock 192.168.203.147@tcp:/lustre /mnt/lustre Started clients oleg347-client.virtnet: 192.168.203.147@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 45171 Started dbench loop with 45172 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 2048 3728384 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7488512 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 Tue Sep 8 03:48:08 EDT 2026 waiting for dbench pid 45233 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 50.153 ms 1 75 1.60 MB/sec warmup 2 sec latency 144.521 ms 1 125 1.85 MB/sec warmup 3 sec latency 187.885 ms 1 165 1.70 MB/sec warmup 4 sec latency 161.876 ms 1 200 1.57 MB/sec warmup 5 sec latency 132.551 ms test_26 fail mds1 1 times 1 246 1.57 MB/sec warmup 6 sec latency 107.101 ms 1 275 1.46 MB/sec warmup 7 sec latency 161.090 ms Failing mds1 on oleg347-server 1 305 1.40 MB/sec warmup 8 sec latency 205.392 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 330 1.33 MB/sec warmup 9 sec latency 216.023 ms 1 348 1.25 MB/sec warmup 10 sec latency 394.602 ms 1 348 1.13 MB/sec warmup 11 sec latency 1398.222 ms 1 348 1.04 MB/sec warmup 12 sec latency 2398.415 ms 03:48:20 (1788853700) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 348 0.96 MB/sec warmup 13 sec latency 3400.482 ms 1 348 0.89 MB/sec warmup 14 sec latency 4402.568 ms 1 348 0.83 MB/sec warmup 15 sec latency 5402.808 ms 1 348 0.78 MB/sec warmup 16 sec latency 6403.063 ms 1 348 0.73 MB/sec warmup 17 sec latency 7404.672 ms 1 348 0.69 MB/sec warmup 18 sec latency 8404.981 ms 1 348 0.66 MB/sec warmup 19 sec latency 9405.207 ms 1 348 0.00 MB/sec execute 1 sec latency 11406.562 ms 1 348 0.00 MB/sec execute 2 sec latency 12415.184 ms Failover mds1 to oleg347-server mount facets: mds1 1 348 0.00 MB/sec execute 3 sec latency 13415.321 ms 1 348 0.00 MB/sec execute 4 sec latency 14415.867 ms 1 348 0.00 MB/sec execute 5 sec latency 15416.116 ms 1 348 0.00 MB/sec execute 6 sec latency 16421.879 ms 1 348 0.00 MB/sec execute 7 sec latency 17422.058 ms 1 348 0.00 MB/sec execute 8 sec latency 18423.539 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 9 sec latency 19424.398 ms 1 348 0.00 MB/sec execute 10 sec latency 20424.603 ms 1 348 0.00 MB/sec execute 11 sec latency 21426.362 ms 1 348 0.00 MB/sec execute 12 sec latency 22426.964 ms 1 348 0.00 MB/sec execute 13 sec latency 23427.710 ms 1 348 0.00 MB/sec execute 14 sec latency 24427.894 ms 1 348 0.00 MB/sec execute 15 sec latency 25429.963 ms 1 348 0.00 MB/sec execute 16 sec latency 26430.542 ms 1 348 0.00 MB/sec execute 17 sec latency 27434.921 ms 1 348 0.00 MB/sec execute 18 sec latency 28435.122 ms 1 348 0.00 MB/sec execute 19 sec latency 29435.371 ms 1 348 0.00 MB/sec execute 20 sec latency 30437.339 ms 1 348 0.00 MB/sec execute 21 sec latency 31439.606 ms 1 348 0.00 MB/sec execute 22 sec latency 32439.893 ms 1 348 0.00 MB/sec execute 23 sec latency 33440.264 ms 1 348 0.00 MB/sec execute 24 sec latency 34441.970 ms 1 348 0.00 MB/sec execute 25 sec latency 35442.149 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 26 sec latency 36442.876 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 27 sec latency 37455.792 ms 1 348 0.00 MB/sec execute 28 sec latency 38455.932 ms Started lustre-MDT0000 03:48:56 (1788853736) targets are mounted 03:48:56 (1788853736) facet_failover done 1 348 0.00 MB/sec execute 29 sec latency 39456.149 ms 1 348 0.00 MB/sec execute 30 sec latency 40470.799 ms 1 349 0.00 MB/sec execute 31 sec latency 41449.339 ms 1 366 0.02 MB/sec execute 32 sec latency 313.823 ms 1 404 0.06 MB/sec execute 33 sec latency 205.306 ms 1 437 0.08 MB/sec execute 34 sec latency 137.846 ms 1 467 0.11 MB/sec execute 35 sec latency 198.569 ms 1 497 0.13 MB/sec execute 36 sec latency 147.638 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 526 0.15 MB/sec execute 37 sec latency 185.425 ms 1 603 0.22 MB/sec execute 38 sec latency 203.735 ms 1 639 0.22 MB/sec execute 39 sec latency 162.107 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 661 0.22 MB/sec execute 40 sec latency 266.245 ms 1 671 0.21 MB/sec execute 41 sec latency 398.749 ms 1 697 0.21 MB/sec execute 42 sec latency 168.437 ms 1 721 0.20 MB/sec execute 43 sec latency 225.881 ms 1 734 0.20 MB/sec execute 44 sec latency 412.964 ms 1 765 0.20 MB/sec execute 45 sec latency 141.972 ms 1 789 0.19 MB/sec execute 46 sec latency 205.939 ms 1 803 0.19 MB/sec execute 47 sec latency 281.088 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3698688 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3692544 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7391232 1% /mnt/lustre 1 827 0.19 MB/sec execute 48 sec latency 141.979 ms 1 870 0.19 MB/sec execute 49 sec latency 136.906 ms 1 878 0.18 MB/sec execute 50 sec latency 433.532 ms 1 902 0.18 MB/sec execute 51 sec latency 167.289 ms 1 914 0.18 MB/sec execute 52 sec latency 275.352 ms 1 933 0.17 MB/sec execute 53 sec latency 254.645 ms 1 957 0.17 MB/sec execute 54 sec latency 150.026 ms 1 980 0.17 MB/sec execute 55 sec latency 147.459 ms test_26 fail mds1 2 times 1 988 0.17 MB/sec execute 56 sec latency 512.971 ms 1 1037 0.18 MB/sec execute 57 sec latency 157.910 ms 1 1058 0.18 MB/sec execute 58 sec latency 211.156 ms Failing mds1 on oleg347-server 1 1084 0.18 MB/sec execute 59 sec latency 149.899 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 1134 0.17 MB/sec execute 60 sec latency 142.918 ms 1 1143 0.17 MB/sec execute 61 sec latency 725.282 ms 1 1143 0.17 MB/sec execute 62 sec latency 1730.774 ms 1 1143 0.17 MB/sec execute 63 sec latency 2731.073 ms 1 1143 0.16 MB/sec execute 64 sec latency 3731.467 ms 03:49:32 (1788853772) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 1143 0.16 MB/sec execute 65 sec latency 4731.691 ms 1 1143 0.16 MB/sec execute 66 sec latency 5732.081 ms 1 1143 0.16 MB/sec execute 67 sec latency 6732.255 ms 1 1143 0.15 MB/sec execute 68 sec latency 7734.621 ms 1 1143 0.15 MB/sec execute 69 sec latency 8734.839 ms 1 1143 0.15 MB/sec execute 70 sec latency 9735.646 ms 1 1143 0.15 MB/sec execute 71 sec latency 10735.854 ms 1 1143 0.15 MB/sec execute 72 sec latency 11736.221 ms 1 1143 0.14 MB/sec execute 73 sec latency 12736.910 ms 1 1143 0.14 MB/sec execute 74 sec latency 13755.898 ms Failover mds1 to oleg347-server mount facets: mds1 1 1143 0.14 MB/sec execute 75 sec latency 14760.656 ms 1 1143 0.14 MB/sec execute 76 sec latency 15762.348 ms 1 1143 0.14 MB/sec execute 77 sec latency 16763.540 ms 1 1143 0.13 MB/sec execute 78 sec latency 17763.728 ms 1 1143 0.13 MB/sec execute 79 sec latency 18763.974 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1143 0.13 MB/sec execute 80 sec latency 19767.610 ms 1 1143 0.13 MB/sec execute 81 sec latency 20767.786 ms 1 1143 0.13 MB/sec execute 82 sec latency 21768.254 ms 1 1143 0.13 MB/sec execute 83 sec latency 22768.666 ms 1 1143 0.12 MB/sec execute 84 sec latency 23768.867 ms 1 1143 0.12 MB/sec execute 85 sec latency 24769.115 ms 1 1143 0.12 MB/sec execute 86 sec latency 25772.273 ms 1 1143 0.12 MB/sec execute 87 sec latency 26773.726 ms 1 1143 0.12 MB/sec execute 88 sec latency 27774.235 ms 1 1143 0.12 MB/sec execute 89 sec latency 28775.628 ms 1 1143 0.12 MB/sec execute 90 sec latency 29775.763 ms 1 1143 0.11 MB/sec execute 91 sec latency 30778.700 ms 1 1143 0.11 MB/sec execute 92 sec latency 31778.977 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 1143 0.11 MB/sec execute 93 sec latency 32780.093 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 1143 0.11 MB/sec execute 94 sec latency 33780.596 ms Started lustre-MDT0000 1 1143 0.11 MB/sec execute 95 sec latency 34789.228 ms 03:50:03 (1788853803) targets are mounted 03:50:03 (1788853803) facet_failover done 1 1143 0.11 MB/sec execute 96 sec latency 35792.448 ms 1 1143 0.11 MB/sec execute 97 sec latency 36792.722 ms 1 1143 0.11 MB/sec execute 98 sec latency 37793.720 ms 1 1143 0.11 MB/sec execute 99 sec latency 38793.998 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 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 110 sec 0 cleanup 110 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 112 102.435 313.807 Close 105 415.156 41449.315 Rename 6 135.982 268.964 Unlink 12 48.921 107.638 Qpathinfo 58 781.490 43096.979 Qfileinfo 48 2.601 12.275 Qfsinfo 26 6.120 28.789 Sfileinfo 23 88.183 254.631 Find 32 10.661 95.396 WriteX 236 15.767 106.903 ReadX 114 6.756 155.222 Flush 24 207.383 512.959 Throughput 0.105513 MB/sec 1 clients 1 procs max_latency=41449.339 ms stopping dbench on /mnt/lustre at Tue Sep 8 03:50:18 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg347-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 Tue Sep 8 03:50:29 EDT 2026 waiting for dbench pid 47189 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 30 1.05 MB/sec warmup 1 sec latency 47.642 ms 1 91 2.09 MB/sec warmup 2 sec latency 156.498 ms 1 137 2.00 MB/sec warmup 3 sec latency 230.025 ms UUID 1K-blocks Used Available Use% Mounted on 1 165 1.69 MB/sec warmup 4 sec latency 161.326 ms lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3700736 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3750912 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 40960 7451648 1% /mnt/lustre 1 187 1.50 MB/sec warmup 5 sec latency 252.036 ms 1 215 1.39 MB/sec warmup 6 sec latency 188.956 ms 1 263 1.41 MB/sec warmup 7 sec latency 117.785 ms 1 298 1.37 MB/sec warmup 8 sec latency 118.631 ms 1 349 1.39 MB/sec warmup 9 sec latency 92.763 ms test_26 fail mds1 3 times 1 414 1.46 MB/sec warmup 10 sec latency 88.333 ms 1 469 1.49 MB/sec warmup 11 sec latency 98.575 ms Failing mds1 on oleg347-server Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 511 1.47 MB/sec warmup 12 sec latency 147.061 ms 1 600 1.61 MB/sec warmup 13 sec latency 182.276 ms 1 600 1.49 MB/sec warmup 14 sec latency 1182.416 ms 03:50:44 (1788853844) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 600 1.39 MB/sec warmup 15 sec latency 2183.172 ms 1 600 1.31 MB/sec warmup 16 sec latency 3183.362 ms 1 600 1.23 MB/sec warmup 17 sec latency 4183.694 ms 1 600 1.16 MB/sec warmup 18 sec latency 5184.012 ms 1 600 1.10 MB/sec warmup 19 sec latency 6184.168 ms 1 600 0.00 MB/sec execute 1 sec latency 8187.223 ms 1 600 0.00 MB/sec execute 2 sec latency 9187.877 ms 1 600 0.00 MB/sec execute 3 sec latency 10188.646 ms 1 600 0.00 MB/sec execute 4 sec latency 11189.508 ms 1 600 0.00 MB/sec execute 5 sec latency 12192.347 ms Failover mds1 to oleg347-server mount facets: mds1 1 600 0.00 MB/sec execute 6 sec latency 13193.248 ms 1 600 0.00 MB/sec execute 7 sec latency 14194.474 ms 1 600 0.00 MB/sec execute 8 sec latency 15194.734 ms 1 600 0.00 MB/sec execute 9 sec latency 16194.959 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 10 sec latency 17198.788 ms 1 600 0.00 MB/sec execute 11 sec latency 18198.972 ms 1 600 0.00 MB/sec execute 12 sec latency 19199.348 ms 1 600 0.00 MB/sec execute 13 sec latency 20199.654 ms 1 600 0.00 MB/sec execute 14 sec latency 21202.904 ms 1 600 0.00 MB/sec execute 15 sec latency 22203.575 ms 1 600 0.00 MB/sec execute 16 sec latency 23207.159 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 17 sec latency 24207.401 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 18 sec latency 25213.276 ms Started lustre-MDT0000 03:51:07 (1788853867) targets are mounted 03:51:07 (1788853867) facet_failover done 1 600 0.00 MB/sec execute 19 sec latency 26213.483 ms 1 600 0.00 MB/sec execute 20 sec latency 27220.671 ms 1 600 0.00 MB/sec execute 21 sec latency 28221.394 ms 1 600 0.00 MB/sec execute 22 sec latency 29221.629 ms 1 600 0.00 MB/sec execute 23 sec latency 30221.811 ms 1 600 0.00 MB/sec execute 24 sec latency 31222.386 ms 1 600 0.00 MB/sec execute 25 sec latency 32223.134 ms 1 600 0.00 MB/sec execute 26 sec latency 33223.309 ms 1 600 0.00 MB/sec execute 27 sec latency 34223.514 ms 1 600 0.00 MB/sec execute 28 sec latency 35223.704 ms 1 600 0.00 MB/sec execute 29 sec latency 36225.616 ms 1 600 0.00 MB/sec execute 30 sec latency 37227.032 ms 1 600 0.00 MB/sec execute 31 sec latency 38227.382 ms 1 601 0.00 MB/sec execute 32 sec latency 39164.885 ms 1 642 0.00 MB/sec execute 33 sec latency 154.268 ms 1 671 0.01 MB/sec execute 34 sec latency 252.383 ms 1 705 0.01 MB/sec execute 35 sec latency 138.810 ms 1 726 0.01 MB/sec execute 36 sec latency 337.850 ms 1 747 0.01 MB/sec execute 37 sec latency 133.682 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.01 MB/sec execute 38 sec latency 160.709 ms 1 799 0.01 MB/sec execute 39 sec latency 209.932 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 816 0.01 MB/sec execute 40 sec latency 205.393 ms 1 863 0.01 MB/sec execute 41 sec latency 157.795 ms 1 878 0.02 MB/sec execute 42 sec latency 415.709 ms 1 903 0.02 MB/sec execute 43 sec latency 145.003 ms 1 919 0.02 MB/sec execute 44 sec latency 375.753 ms 1 952 0.02 MB/sec execute 45 sec latency 146.240 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 980 0.02 MB/sec execute 46 sec latency 152.022 ms 1 1000 0.02 MB/sec execute 47 sec latency 274.123 ms 1 1028 0.04 MB/sec execute 48 sec latency 257.563 ms 1 1076 0.04 MB/sec execute 49 sec latency 106.537 ms 1 1124 0.04 MB/sec execute 50 sec latency 121.573 ms 1 1155 0.04 MB/sec execute 51 sec latency 128.038 ms 1 1185 0.04 MB/sec execute 52 sec latency 187.247 ms 1 1223 0.04 MB/sec execute 53 sec latency 128.065 ms 1 1259 0.04 MB/sec execute 54 sec latency 83.533 ms 1 1387 0.09 MB/sec execute 55 sec latency 120.469 ms tar: Error is not recoverable: exiting now 1 1425 0.09 MB/sec execute 56 sec latency 101.649 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 03:51:45 EDT 2026 with return code 0 47189 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47189 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished