== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:19:43 (1787577583) Starting client oleg407-client.virtnet: -o user_xattr,flock 192.168.204.107@tcp:/lustre /mnt/lustre Started clients oleg407-client.virtnet: 192.168.204.107@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 45228 Started dbench loop with 45229 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 10240 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7494656 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 Mon Aug 24 09:19:50 EDT 2026 waiting for dbench pid 45297 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 6.381 ms 1 55 1.08 MB/sec warmup 2 sec latency 171.921 ms 1 113 1.74 MB/sec warmup 3 sec latency 205.560 ms 1 137 1.50 MB/sec warmup 4 sec latency 182.833 ms 1 165 1.36 MB/sec warmup 5 sec latency 174.442 ms test_26 fail mds1 1 times 1 184 1.23 MB/sec warmup 6 sec latency 147.773 ms 1 197 1.12 MB/sec warmup 7 sec latency 231.855 ms 1 207 1.01 MB/sec warmup 8 sec latency 405.639 ms 1 234 0.98 MB/sec warmup 9 sec latency 306.090 ms Failing mds1 on oleg407-server 1 260 0.98 MB/sec warmup 10 sec latency 176.107 ms Stopping /mnt/lustre-mds1 (opts:) on oleg407-server 1 288 0.97 MB/sec warmup 11 sec latency 187.756 ms 1 304 0.93 MB/sec warmup 12 sec latency 393.695 ms 1 304 0.86 MB/sec warmup 13 sec latency 1393.886 ms 1 304 0.80 MB/sec warmup 14 sec latency 2399.019 ms 09:20:05 (1787577605) shut down facet: mds1 facet_host: oleg407-server facet_failover_host: oleg407-server 1 304 0.75 MB/sec warmup 15 sec latency 3401.802 ms 1 304 0.70 MB/sec warmup 16 sec latency 4402.069 ms 1 304 0.66 MB/sec warmup 17 sec latency 5402.335 ms 1 304 0.62 MB/sec warmup 18 sec latency 6402.596 ms 1 304 0.59 MB/sec warmup 19 sec latency 7402.954 ms 1 304 0.00 MB/sec execute 1 sec latency 9403.967 ms 1 304 0.00 MB/sec execute 2 sec latency 10406.013 ms 1 304 0.00 MB/sec execute 3 sec latency 11406.956 ms 1 304 0.00 MB/sec execute 4 sec latency 12410.247 ms Failover mds1 to oleg407-server 1 304 0.00 MB/sec execute 5 sec latency 13410.608 ms mount facets: mds1 1 304 0.00 MB/sec execute 6 sec latency 14411.136 ms 1 304 0.00 MB/sec execute 7 sec latency 15414.867 ms 1 304 0.00 MB/sec execute 8 sec latency 16416.546 ms 1 304 0.00 MB/sec execute 9 sec latency 17416.899 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 10 sec latency 18417.327 ms 1 304 0.00 MB/sec execute 11 sec latency 19417.623 ms 1 304 0.00 MB/sec execute 12 sec latency 20418.605 ms 1 304 0.00 MB/sec execute 13 sec latency 21418.907 ms 1 304 0.00 MB/sec execute 14 sec latency 22419.276 ms 1 304 0.00 MB/sec execute 15 sec latency 23419.550 ms 1 304 0.00 MB/sec execute 16 sec latency 24420.185 ms 1 304 0.00 MB/sec execute 17 sec latency 25420.462 ms 1 304 0.00 MB/sec execute 18 sec latency 26421.049 ms 1 304 0.00 MB/sec execute 19 sec latency 27422.120 ms 1 304 0.00 MB/sec execute 20 sec latency 28422.508 ms 1 304 0.00 MB/sec execute 21 sec latency 29422.874 ms 1 304 0.00 MB/sec execute 22 sec latency 30428.293 ms 1 304 0.00 MB/sec execute 23 sec latency 31429.728 ms 1 304 0.00 MB/sec execute 24 sec latency 32429.998 ms 1 304 0.00 MB/sec execute 25 sec latency 33431.851 ms 1 304 0.00 MB/sec execute 26 sec latency 34432.480 ms oleg407-server: oleg407-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 27 sec latency 35435.102 ms 1 304 0.00 MB/sec execute 28 sec latency 36435.838 ms pdsh@oleg407-client: oleg407-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 29 sec latency 37436.122 ms Started lustre-MDT0000 09:20:40 (1787577640) targets are mounted 09:20:40 (1787577640) facet_failover done 1 304 0.00 MB/sec execute 30 sec latency 38436.471 ms 1 304 0.00 MB/sec execute 31 sec latency 39438.110 ms 1 304 0.00 MB/sec execute 32 sec latency 40438.350 ms 1 304 0.00 MB/sec execute 33 sec latency 41439.044 ms 1 304 0.00 MB/sec execute 34 sec latency 42439.852 ms 1 321 0.01 MB/sec execute 35 sec latency 42559.875 ms 1 341 0.03 MB/sec execute 36 sec latency 235.558 ms 1 373 0.06 MB/sec execute 37 sec latency 266.651 ms 1 398 0.08 MB/sec execute 38 sec latency 230.541 ms 1 429 0.10 MB/sec execute 39 sec latency 149.229 ms 1 457 0.12 MB/sec execute 40 sec latency 232.266 ms oleg407-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 486 0.14 MB/sec execute 41 sec latency 193.753 ms 1 506 0.15 MB/sec execute 42 sec latency 212.471 ms 1 531 0.17 MB/sec execute 43 sec latency 174.993 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 595 0.21 MB/sec execute 44 sec latency 201.575 ms 1 639 0.22 MB/sec execute 45 sec latency 159.188 ms 1 664 0.22 MB/sec execute 46 sec latency 176.779 ms 1 676 0.21 MB/sec execute 47 sec latency 201.940 ms 1 702 0.21 MB/sec execute 48 sec latency 215.362 ms 1 721 0.21 MB/sec execute 49 sec latency 220.261 ms 1 747 0.20 MB/sec execute 50 sec latency 232.286 ms 1 778 0.20 MB/sec execute 51 sec latency 163.480 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3675136 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7402496 1% /mnt/lustre 1 796 0.20 MB/sec execute 52 sec latency 302.717 ms 1 821 0.19 MB/sec execute 53 sec latency 104.397 ms 1 870 0.19 MB/sec execute 54 sec latency 106.194 ms 1 887 0.19 MB/sec execute 55 sec latency 339.984 ms 1 910 0.19 MB/sec execute 56 sec latency 147.133 ms 1 934 0.18 MB/sec execute 57 sec latency 252.971 ms test_26 fail mds1 2 times 1 969 0.18 MB/sec execute 58 sec latency 103.614 ms 1 990 0.18 MB/sec execute 59 sec latency 240.970 ms Failing mds1 on oleg407-server 1 1055 0.19 MB/sec execute 60 sec latency 117.310 ms Stopping /mnt/lustre-mds1 (opts:) on oleg407-server 1 1084 0.19 MB/sec execute 61 sec latency 113.152 ms 1 1127 0.19 MB/sec execute 62 sec latency 94.254 ms 1 1127 0.19 MB/sec execute 63 sec latency 1081.223 ms 1 1127 0.18 MB/sec execute 64 sec latency 2081.755 ms 09:21:15 (1787577675) shut down facet: mds1 facet_host: oleg407-server facet_failover_host: oleg407-server 1 1127 0.18 MB/sec execute 65 sec latency 3082.549 ms 1 1127 0.18 MB/sec execute 66 sec latency 4082.851 ms 1 1127 0.18 MB/sec execute 67 sec latency 5083.065 ms 1 1127 0.17 MB/sec execute 68 sec latency 6083.238 ms 1 1127 0.17 MB/sec execute 69 sec latency 7083.628 ms 1 1127 0.17 MB/sec execute 70 sec latency 8083.833 ms 1 1127 0.17 MB/sec execute 71 sec latency 9084.550 ms 1 1127 0.16 MB/sec execute 72 sec latency 10084.832 ms 1 1127 0.16 MB/sec execute 73 sec latency 11086.632 ms 1 1127 0.16 MB/sec execute 74 sec latency 12089.034 ms 1 1127 0.16 MB/sec execute 75 sec latency 13094.071 ms Failover mds1 to oleg407-server mount facets: mds1 1 1127 0.15 MB/sec execute 76 sec latency 14099.860 ms 1 1127 0.15 MB/sec execute 77 sec latency 15100.085 ms 1 1127 0.15 MB/sec execute 78 sec latency 16100.281 ms 1 1127 0.15 MB/sec execute 79 sec latency 17100.648 ms 1 1127 0.15 MB/sec execute 80 sec latency 18100.957 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1127 0.14 MB/sec execute 81 sec latency 19101.992 ms 1 1127 0.14 MB/sec execute 82 sec latency 20103.208 ms 1 1127 0.14 MB/sec execute 83 sec latency 21103.624 ms 1 1127 0.14 MB/sec execute 84 sec latency 22104.095 ms 1 1127 0.14 MB/sec execute 85 sec latency 23104.620 ms 1 1127 0.14 MB/sec execute 86 sec latency 24112.093 ms 1 1127 0.13 MB/sec execute 87 sec latency 25115.369 ms 1 1127 0.13 MB/sec execute 88 sec latency 26116.066 ms oleg407-server: oleg407-server.virtnet: executing set_default_debug -1 all 1 1127 0.13 MB/sec execute 89 sec latency 27118.118 ms 1 1127 0.13 MB/sec execute 90 sec latency 28118.752 ms pdsh@oleg407-client: oleg407-server: ssh exited with exit code 1 1 1127 0.13 MB/sec execute 91 sec latency 29119.056 ms Started lustre-MDT0000 09:21:42 (1787577702) targets are mounted 09:21:42 (1787577702) facet_failover done 1 1127 0.13 MB/sec execute 92 sec latency 30119.347 ms 1 1127 0.13 MB/sec execute 93 sec latency 31120.825 ms 1 1127 0.12 MB/sec execute 94 sec latency 32121.019 ms 1 1127 0.12 MB/sec execute 95 sec latency 33124.643 ms 1 1127 0.12 MB/sec execute 96 sec latency 34124.988 ms 1 1127 0.12 MB/sec execute 97 sec latency 35126.842 ms 1 1127 0.12 MB/sec execute 98 sec latency 36127.004 ms 1 1127 0.12 MB/sec execute 99 sec latency 37128.472 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 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 116 106.078 266.637 Close 107 415.482 42559.843 Rename 5 134.175 183.895 Unlink 12 35.463 51.150 Qpathinfo 54 29.030 117.281 Qfileinfo 53 2.838 23.334 Qfsinfo 26 6.680 33.746 Sfileinfo 22 2033.862 43242.722 Find 32 9.784 61.309 WriteX 260 17.343 117.207 ReadX 113 5.336 94.737 Flush 24 154.685 339.968 Throughput 0.118629 MB/sec 1 clients 1 procs max_latency=42559.875 ms stopping dbench on /mnt/lustre at Mon Aug 24 09:22:00 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg407-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 Mon Aug 24 09:22:07 EDT 2026 waiting for dbench pid 47252 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 32 1.05 MB/sec warmup 1 sec latency 106.611 ms 1 91 2.09 MB/sec warmup 2 sec latency 143.365 ms 1 137 2.01 MB/sec warmup 3 sec latency 190.596 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3698688 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3743744 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 40960 7442432 1% /mnt/lustre 1 164 1.70 MB/sec warmup 4 sec latency 174.240 ms 1 196 1.56 MB/sec warmup 5 sec latency 150.692 ms 1 223 1.43 MB/sec warmup 6 sec latency 156.312 ms 1 256 1.38 MB/sec warmup 7 sec latency 203.375 ms 1 290 1.33 MB/sec warmup 8 sec latency 143.202 ms 1 323 1.30 MB/sec warmup 9 sec latency 161.953 ms 1 365 1.30 MB/sec warmup 10 sec latency 137.690 ms test_26 fail mds1 3 times 1 397 1.28 MB/sec warmup 11 sec latency 138.363 ms 1 430 1.26 MB/sec warmup 12 sec latency 151.005 ms 1 461 1.24 MB/sec warmup 13 sec latency 204.965 ms Failing mds1 on oleg407-server 1 501 1.24 MB/sec warmup 14 sec latency 152.636 ms Stopping /mnt/lustre-mds1 (opts:) on oleg407-server 1 537 1.25 MB/sec warmup 15 sec latency 177.061 ms 1 600 1.31 MB/sec warmup 16 sec latency 262.804 ms 1 600 1.23 MB/sec warmup 17 sec latency 1262.992 ms 1 600 1.16 MB/sec warmup 18 sec latency 2263.425 ms 09:22:26 (1787577746) shut down 1 600 1.10 MB/sec warmup 19 sec latency 3263.904 ms facet: mds1 facet_host: oleg407-server facet_failover_host: oleg407-server 1 600 0.00 MB/sec execute 1 sec latency 5264.316 ms 1 600 0.00 MB/sec execute 2 sec latency 6264.527 ms 1 600 0.00 MB/sec execute 3 sec latency 7267.496 ms 1 600 0.00 MB/sec execute 4 sec latency 8268.770 ms 1 600 0.00 MB/sec execute 5 sec latency 9273.092 ms 1 600 0.00 MB/sec execute 6 sec latency 10275.397 ms 1 600 0.00 MB/sec execute 7 sec latency 11277.255 ms 1 600 0.00 MB/sec execute 8 sec latency 12278.865 ms 1 600 0.00 MB/sec execute 9 sec latency 13279.293 ms Failover mds1 to oleg407-server mount facets: mds1 1 600 0.00 MB/sec execute 10 sec latency 14283.268 ms 1 600 0.00 MB/sec execute 11 sec latency 15284.661 ms 1 600 0.00 MB/sec execute 12 sec latency 16286.272 ms 1 600 0.00 MB/sec execute 13 sec latency 17286.494 ms 1 600 0.00 MB/sec execute 14 sec latency 18286.764 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 15 sec latency 19287.232 ms 1 600 0.00 MB/sec execute 16 sec latency 20287.951 ms 1 600 0.00 MB/sec execute 17 sec latency 21288.183 ms 1 600 0.00 MB/sec execute 18 sec latency 22288.437 ms 1 600 0.00 MB/sec execute 19 sec latency 23289.684 ms 1 600 0.00 MB/sec execute 20 sec latency 24290.041 ms 1 600 0.00 MB/sec execute 21 sec latency 25292.054 ms 1 600 0.00 MB/sec execute 22 sec latency 26295.972 ms 1 600 0.00 MB/sec execute 23 sec latency 27296.347 ms 1 600 0.00 MB/sec execute 24 sec latency 28301.556 ms 1 600 0.00 MB/sec execute 25 sec latency 29301.953 ms 1 600 0.00 MB/sec execute 26 sec latency 30302.714 ms 1 600 0.00 MB/sec execute 27 sec latency 31303.041 ms 1 600 0.00 MB/sec execute 28 sec latency 32304.766 ms 1 600 0.00 MB/sec execute 29 sec latency 33305.400 ms oleg407-server: oleg407-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 30 sec latency 34305.995 ms 1 600 0.00 MB/sec execute 31 sec latency 35306.396 ms pdsh@oleg407-client: oleg407-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 32 sec latency 36307.409 ms Started lustre-MDT0000 09:23:00 (1787577780) targets are mounted 09:23:00 (1787577780) facet_failover done 1 600 0.00 MB/sec execute 33 sec latency 37310.348 ms 1 600 0.00 MB/sec execute 34 sec latency 38310.503 ms 1 600 0.00 MB/sec execute 35 sec latency 39310.677 ms 1 600 0.00 MB/sec execute 36 sec latency 40310.927 ms 1 600 0.00 MB/sec execute 37 sec latency 41311.353 ms 1 600 0.00 MB/sec execute 38 sec latency 42311.616 ms 1 600 0.00 MB/sec execute 39 sec latency 43313.308 ms 1 642 0.00 MB/sec execute 40 sec latency 43324.703 ms 1 671 0.00 MB/sec execute 41 sec latency 317.851 ms 1 695 0.01 MB/sec execute 42 sec latency 177.071 ms 1 721 0.01 MB/sec execute 43 sec latency 149.069 ms 1 737 0.01 MB/sec execute 44 sec latency 253.139 ms oleg407-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 769 0.01 MB/sec execute 45 sec latency 161.279 ms 1 789 0.01 MB/sec execute 46 sec latency 260.572 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.01 MB/sec execute 47 sec latency 329.691 ms 1 856 0.01 MB/sec execute 48 sec latency 120.778 ms 1 876 0.01 MB/sec execute 49 sec latency 369.136 ms 1 903 0.01 MB/sec execute 50 sec latency 147.393 ms 1 935 0.02 MB/sec execute 51 sec latency 130.992 ms 1 980 0.02 MB/sec execute 52 sec latency 119.081 ms 1 999 0.02 MB/sec execute 53 sec latency 195.617 ms 1 1026 0.04 MB/sec execute 54 sec latency 308.078 ms 1 1083 0.04 MB/sec execute 55 sec latency 90.617 ms 1 1132 0.04 MB/sec execute 56 sec latency 84.537 ms 1 1164 0.04 MB/sec execute 57 sec latency 135.830 ms 1 1202 0.04 MB/sec execute 58 sec latency 149.511 ms 1 1244 0.04 MB/sec execute 59 sec latency 105.524 ms 1 1274 0.04 MB/sec execute 60 sec latency 151.686 ms 1 1410 0.08 MB/sec execute 61 sec latency 82.940 ms 1 1474 0.08 MB/sec execute 62 sec latency 69.361 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 24 09:23:30 EDT 2026 with return code 0 47252 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47252 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished