== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:44:27 (1787582667) Starting client oleg106-client.virtnet: -o user_xattr,flock 192.168.201.106@tcp:/lustre /mnt/lustre Started clients oleg106-client.virtnet: 192.168.201.106@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 45270 Started dbench loop with 45271 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 3738624 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7498752 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 10:44:34 EDT 2026 waiting for dbench pid 45341 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 16 0.13 MB/sec warmup 1 sec latency 145.473 ms 1 61 1.28 MB/sec warmup 2 sec latency 171.151 ms 1 97 1.46 MB/sec warmup 3 sec latency 207.139 ms 1 137 1.50 MB/sec warmup 4 sec latency 190.162 ms test_26 fail mds1 1 times 1 165 1.36 MB/sec warmup 5 sec latency 166.846 ms 1 197 1.31 MB/sec warmup 6 sec latency 132.755 ms 1 216 1.19 MB/sec warmup 7 sec latency 204.147 ms Failing mds1 on oleg106-server 1 251 1.18 MB/sec warmup 8 sec latency 105.689 ms Stopping /mnt/lustre-mds1 (opts:) on oleg106-server 1 289 1.19 MB/sec warmup 9 sec latency 129.044 ms 1 296 1.09 MB/sec warmup 10 sec latency 897.263 ms 1 296 0.99 MB/sec warmup 11 sec latency 1897.539 ms 10:44:45 (1787582685) shut down facet: mds1 facet_host: oleg106-server facet_failover_host: oleg106-server 1 296 0.91 MB/sec warmup 12 sec latency 2897.811 ms 1 296 0.84 MB/sec warmup 13 sec latency 3898.354 ms 1 296 0.78 MB/sec warmup 14 sec latency 4898.534 ms 1 296 0.73 MB/sec warmup 15 sec latency 5899.176 ms 1 296 0.68 MB/sec warmup 16 sec latency 6901.073 ms 1 296 0.64 MB/sec warmup 17 sec latency 7901.324 ms 1 296 0.61 MB/sec warmup 18 sec latency 8901.558 ms 1 296 0.58 MB/sec warmup 19 sec latency 9901.812 ms 1 296 0.00 MB/sec execute 1 sec latency 11902.228 ms Failover mds1 to oleg106-server mount facets: mds1 1 296 0.00 MB/sec execute 2 sec latency 12905.178 ms 1 296 0.00 MB/sec execute 3 sec latency 13905.485 ms 1 296 0.00 MB/sec execute 4 sec latency 14905.892 ms 1 296 0.00 MB/sec execute 5 sec latency 15906.250 ms 1 296 0.00 MB/sec execute 6 sec latency 16907.883 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 7 sec latency 17908.190 ms 1 296 0.00 MB/sec execute 8 sec latency 18909.643 ms 1 296 0.00 MB/sec execute 9 sec latency 19915.181 ms 1 296 0.00 MB/sec execute 10 sec latency 20915.464 ms 1 296 0.00 MB/sec execute 11 sec latency 21917.060 ms 1 296 0.00 MB/sec execute 12 sec latency 22917.439 ms 1 296 0.00 MB/sec execute 13 sec latency 23919.314 ms oleg106-server: oleg106-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 14 sec latency 24920.729 ms 1 296 0.00 MB/sec execute 15 sec latency 25920.939 ms pdsh@oleg106-client: oleg106-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 16 sec latency 26922.234 ms Started lustre-MDT0000 10:45:11 (1787582711) targets are mounted 10:45:11 (1787582711) facet_failover done 1 296 0.00 MB/sec execute 17 sec latency 27922.458 ms 1 296 0.00 MB/sec execute 18 sec latency 28923.851 ms 1 296 0.00 MB/sec execute 19 sec latency 29924.096 ms 1 296 0.00 MB/sec execute 20 sec latency 30924.341 ms 1 296 0.00 MB/sec execute 21 sec latency 31924.848 ms 1 296 0.00 MB/sec execute 22 sec latency 32926.811 ms 1 296 0.00 MB/sec execute 23 sec latency 33927.175 ms 1 296 0.00 MB/sec execute 24 sec latency 34927.810 ms 1 296 0.00 MB/sec execute 25 sec latency 35928.098 ms 1 296 0.00 MB/sec execute 26 sec latency 36928.555 ms 1 296 0.00 MB/sec execute 27 sec latency 37928.915 ms 1 296 0.00 MB/sec execute 28 sec latency 38929.151 ms 1 296 0.00 MB/sec execute 29 sec latency 39930.137 ms 1 296 0.00 MB/sec execute 30 sec latency 40930.514 ms 1 308 0.01 MB/sec execute 31 sec latency 41113.749 ms 1 332 0.03 MB/sec execute 32 sec latency 167.800 ms 1 357 0.06 MB/sec execute 33 sec latency 193.340 ms 1 390 0.08 MB/sec execute 34 sec latency 142.469 ms 1 425 0.11 MB/sec execute 35 sec latency 161.268 ms 1 446 0.13 MB/sec execute 36 sec latency 238.243 ms 1 481 0.16 MB/sec execute 37 sec latency 136.548 ms oleg106-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.18 MB/sec execute 38 sec latency 213.069 ms 1 537 0.20 MB/sec execute 39 sec latency 228.143 ms 1 595 0.24 MB/sec execute 40 sec latency 188.916 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 636 0.25 MB/sec execute 41 sec latency 165.744 ms 1 664 0.24 MB/sec execute 42 sec latency 121.418 ms 1 675 0.24 MB/sec execute 43 sec latency 305.249 ms 1 708 0.23 MB/sec execute 44 sec latency 171.522 ms 1 726 0.23 MB/sec execute 45 sec latency 264.820 ms 1 740 0.22 MB/sec execute 46 sec latency 211.848 ms 1 774 0.22 MB/sec execute 47 sec latency 144.928 ms 1 789 0.22 MB/sec execute 48 sec latency 311.043 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3712000 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3699712 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7411712 1% /mnt/lustre 1 803 0.21 MB/sec execute 49 sec latency 366.696 ms 1 824 0.21 MB/sec execute 50 sec latency 172.076 ms 1 870 0.21 MB/sec execute 51 sec latency 123.373 ms 1 890 0.21 MB/sec execute 52 sec latency 323.935 ms 1 918 0.20 MB/sec execute 53 sec latency 173.120 ms 1 969 0.20 MB/sec execute 54 sec latency 91.342 ms 1 994 0.20 MB/sec execute 55 sec latency 205.523 ms test_26 fail mds1 2 times 1 1060 0.21 MB/sec execute 56 sec latency 115.102 ms 1 1101 0.21 MB/sec execute 57 sec latency 110.497 ms Failing mds1 on oleg106-server 1 1136 0.21 MB/sec execute 58 sec latency 118.831 ms Stopping /mnt/lustre-mds1 (opts:) on oleg106-server 1 1173 0.20 MB/sec execute 59 sec latency 118.614 ms 1 1207 0.20 MB/sec execute 60 sec latency 114.984 ms 1 1214 0.20 MB/sec execute 61 sec latency 909.836 ms 1 1214 0.19 MB/sec execute 62 sec latency 1913.528 ms 1 1214 0.19 MB/sec execute 63 sec latency 2914.498 ms 10:45:57 (1787582757) shut down facet: mds1 facet_host: oleg106-server facet_failover_host: oleg106-server 1 1214 0.19 MB/sec execute 64 sec latency 3914.822 ms 1 1214 0.19 MB/sec execute 65 sec latency 4916.678 ms 1 1214 0.18 MB/sec execute 66 sec latency 5917.567 ms 1 1214 0.18 MB/sec execute 67 sec latency 6920.324 ms 1 1214 0.18 MB/sec execute 68 sec latency 7920.586 ms 1 1214 0.17 MB/sec execute 69 sec latency 8920.845 ms 1 1214 0.17 MB/sec execute 70 sec latency 9921.145 ms 1 1214 0.17 MB/sec execute 71 sec latency 10921.393 ms 1 1214 0.17 MB/sec execute 72 sec latency 11921.697 ms 1 1214 0.17 MB/sec execute 73 sec latency 12921.912 ms Failover mds1 to oleg106-server mount facets: mds1 1 1214 0.16 MB/sec execute 74 sec latency 13922.062 ms 1 1214 0.16 MB/sec execute 75 sec latency 14922.537 ms 1 1214 0.16 MB/sec execute 76 sec latency 15923.008 ms 1 1214 0.16 MB/sec execute 77 sec latency 16930.111 ms 1 1214 0.15 MB/sec execute 78 sec latency 17930.307 ms 1 1214 0.15 MB/sec execute 79 sec latency 18930.553 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1214 0.15 MB/sec execute 80 sec latency 19932.185 ms 1 1214 0.15 MB/sec execute 81 sec latency 20932.406 ms 1 1214 0.15 MB/sec execute 82 sec latency 21932.941 ms 1 1214 0.15 MB/sec execute 83 sec latency 22935.432 ms 1 1214 0.14 MB/sec execute 84 sec latency 23935.644 ms 1 1214 0.14 MB/sec execute 85 sec latency 24936.181 ms 1 1214 0.14 MB/sec execute 86 sec latency 25938.369 ms oleg106-server: oleg106-server.virtnet: executing set_default_debug -1 all 1 1214 0.14 MB/sec execute 87 sec latency 26942.394 ms 1 1214 0.14 MB/sec execute 88 sec latency 27942.625 ms pdsh@oleg106-client: oleg106-server: ssh exited with exit code 1 Started lustre-MDT0000 10:46:23 (1787582783) targets are mounted 10:46:23 (1787582783) facet_failover done 1 1214 0.14 MB/sec execute 89 sec latency 28942.883 ms 1 1214 0.13 MB/sec execute 90 sec latency 29943.215 ms 1 1214 0.13 MB/sec execute 91 sec latency 30943.355 ms 1 1214 0.13 MB/sec execute 92 sec latency 31943.556 ms 1 1214 0.13 MB/sec execute 93 sec latency 32945.400 ms 1 1214 0.13 MB/sec execute 94 sec latency 33945.768 ms 1 1214 0.13 MB/sec execute 95 sec latency 34949.993 ms 1 1214 0.13 MB/sec execute 96 sec latency 35950.580 ms 1 1214 0.12 MB/sec execute 97 sec latency 36950.982 ms 1 1214 0.12 MB/sec execute 98 sec latency 37951.221 ms 1 1214 0.12 MB/sec execute 99 sec latency 38952.301 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 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 130 92.429 394.162 Close 120 357.828 41113.715 Rename 8 109.096 180.038 Unlink 14 38.228 80.763 Qpathinfo 78 573.793 42711.874 Qfileinfo 56 2.294 12.174 Qfsinfo 28 5.697 31.596 Sfileinfo 27 74.431 159.739 Find 37 12.771 121.755 WriteX 271 18.409 116.255 ReadX 126 5.137 87.407 Flush 24 178.122 366.678 Throughput 0.121972 MB/sec 1 clients 1 procs max_latency=41113.749 ms stopping dbench on /mnt/lustre at Mon Aug 24 10:46:41 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg106-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 10:46:49 EDT 2026 waiting for dbench pid 47255 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 1.03 MB/sec warmup 1 sec latency 37.398 ms 1 71 1.55 MB/sec warmup 2 sec latency 201.514 ms 1 111 1.73 MB/sec warmup 3 sec latency 210.990 ms 1 139 1.49 MB/sec warmup 4 sec latency 221.433 ms 1 169 1.36 MB/sec warmup 5 sec latency 165.299 ms 1 204 1.32 MB/sec warmup 6 sec latency 125.916 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3752960 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3713024 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7465984 1% /mnt/lustre 1 240 1.30 MB/sec warmup 7 sec latency 171.568 ms 1 287 1.33 MB/sec warmup 8 sec latency 125.717 ms 1 324 1.30 MB/sec warmup 9 sec latency 117.449 ms 1 366 1.30 MB/sec warmup 10 sec latency 121.466 ms 1 421 1.35 MB/sec warmup 11 sec latency 97.698 ms test_26 fail mds1 3 times 1 469 1.36 MB/sec warmup 12 sec latency 111.972 ms 1 503 1.34 MB/sec warmup 13 sec latency 139.543 ms Failing mds1 on oleg106-server 1 539 1.35 MB/sec warmup 14 sec latency 158.362 ms Stopping /mnt/lustre-mds1 (opts:) on oleg106-server 1 639 1.40 MB/sec warmup 15 sec latency 108.931 ms 1 660 1.32 MB/sec warmup 16 sec latency 450.496 ms 1 660 1.24 MB/sec warmup 17 sec latency 1450.875 ms 1 660 1.17 MB/sec warmup 18 sec latency 2451.198 ms 10:47:07 (1787582827) shut down facet: mds1 facet_host: oleg106-server facet_failover_host: oleg106-server 1 660 1.11 MB/sec warmup 19 sec latency 3452.053 ms 1 660 0.00 MB/sec execute 1 sec latency 5453.998 ms 1 660 0.00 MB/sec execute 2 sec latency 6455.023 ms 1 660 0.00 MB/sec execute 3 sec latency 7455.385 ms 1 660 0.00 MB/sec execute 4 sec latency 8455.776 ms 1 660 0.00 MB/sec execute 5 sec latency 9457.258 ms 1 660 0.00 MB/sec execute 6 sec latency 10459.779 ms 1 660 0.00 MB/sec execute 7 sec latency 11460.998 ms 1 660 0.00 MB/sec execute 8 sec latency 12462.527 ms Failover mds1 to oleg106-server mount facets: mds1 1 660 0.00 MB/sec execute 9 sec latency 13464.904 ms 1 660 0.00 MB/sec execute 10 sec latency 14465.170 ms 1 660 0.00 MB/sec execute 11 sec latency 15466.108 ms 1 660 0.00 MB/sec execute 12 sec latency 16468.805 ms 1 660 0.00 MB/sec execute 13 sec latency 17480.250 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 660 0.00 MB/sec execute 14 sec latency 18480.613 ms 1 660 0.00 MB/sec execute 15 sec latency 19485.803 ms 1 660 0.00 MB/sec execute 16 sec latency 20486.665 ms 1 660 0.00 MB/sec execute 17 sec latency 21487.773 ms 1 660 0.00 MB/sec execute 18 sec latency 22492.221 ms 1 660 0.00 MB/sec execute 19 sec latency 23492.528 ms 1 660 0.00 MB/sec execute 20 sec latency 24492.755 ms 1 660 0.00 MB/sec execute 21 sec latency 25492.977 ms 1 660 0.00 MB/sec execute 22 sec latency 26493.259 ms 1 660 0.00 MB/sec execute 23 sec latency 27494.049 ms 1 660 0.00 MB/sec execute 24 sec latency 28495.139 ms 1 660 0.00 MB/sec execute 25 sec latency 29497.342 ms 1 660 0.00 MB/sec execute 26 sec latency 30499.106 ms 1 660 0.00 MB/sec execute 27 sec latency 31499.352 ms 1 660 0.00 MB/sec execute 28 sec latency 32499.612 ms oleg106-server: oleg106-server.virtnet: executing set_default_debug -1 all 1 660 0.00 MB/sec execute 29 sec latency 33499.807 ms pdsh@oleg106-client: oleg106-server: ssh exited with exit code 1 1 660 0.00 MB/sec execute 30 sec latency 34500.040 ms Started lustre-MDT0000 10:47:40 (1787582860) targets are mounted 10:47:40 (1787582860) facet_failover done 1 660 0.00 MB/sec execute 31 sec latency 35502.148 ms 1 660 0.00 MB/sec execute 32 sec latency 36504.053 ms 1 660 0.00 MB/sec execute 33 sec latency 37507.511 ms 1 660 0.00 MB/sec execute 34 sec latency 38508.679 ms 1 660 0.00 MB/sec execute 35 sec latency 39509.000 ms 1 660 0.00 MB/sec execute 36 sec latency 40509.449 ms 1 660 0.00 MB/sec execute 37 sec latency 41511.079 ms 1 664 0.00 MB/sec execute 38 sec latency 41913.941 ms 1 695 0.00 MB/sec execute 39 sec latency 225.156 ms 1 721 0.00 MB/sec execute 40 sec latency 125.225 ms 1 740 0.00 MB/sec execute 41 sec latency 231.654 ms 1 778 0.01 MB/sec execute 42 sec latency 151.490 ms oleg106-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 798 0.01 MB/sec execute 43 sec latency 272.240 ms 1 815 0.01 MB/sec execute 44 sec latency 135.807 ms 1 870 0.01 MB/sec execute 45 sec latency 100.147 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 885 0.01 MB/sec execute 46 sec latency 338.470 ms 1 910 0.01 MB/sec execute 47 sec latency 117.370 ms 1 933 0.01 MB/sec execute 48 sec latency 344.454 ms 1 972 0.01 MB/sec execute 49 sec latency 150.373 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1007 0.02 MB/sec execute 50 sec latency 212.702 ms 1 1074 0.03 MB/sec execute 51 sec latency 180.289 ms 1 1136 0.04 MB/sec execute 52 sec latency 88.774 ms 1 1185 0.04 MB/sec execute 53 sec latency 116.542 ms 1 1224 0.04 MB/sec execute 54 sec latency 106.686 ms 1 1268 0.04 MB/sec execute 55 sec latency 184.146 ms 1 1405 0.09 MB/sec execute 56 sec latency 89.204 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1468 0.09 MB/sec execute 57 sec latency 71.349 ms stopping dbench on /mnt/lustre at Mon Aug 24 10:48:06 EDT 2026 with return code 0 47255 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47255 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished