== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:20:37 (1786965637) Starting client oleg144-client.virtnet: -o user_xattr,flock 192.168.201.144@tcp:/lustre /mnt/lustre Started clients oleg144-client.virtnet: 192.168.201.144@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 65634 Started dbench loop with 65635 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3588940 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194396 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 17 07:20:43 EDT 2026 waiting for dbench pid 65713 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 21 0.45 MB/sec warmup 1 sec latency 19.741 ms 1 66 1.43 MB/sec warmup 2 sec latency 131.061 ms 1 111 1.74 MB/sec warmup 3 sec latency 181.179 ms 1 139 1.50 MB/sec warmup 4 sec latency 198.425 ms 1 174 1.41 MB/sec warmup 5 sec latency 148.346 ms 1 197 1.30 MB/sec warmup 6 sec latency 468.136 ms 1 231 1.26 MB/sec warmup 7 sec latency 219.841 ms 1 266 1.24 MB/sec warmup 8 sec latency 156.706 ms 1 310 1.26 MB/sec warmup 9 sec latency 89.095 ms test_26 fail mds1 1 times 1 339 1.22 MB/sec warmup 10 sec latency 168.634 ms 1 358 1.16 MB/sec warmup 11 sec latency 192.981 ms Failing mds1 on oleg144-server 1 396 1.17 MB/sec warmup 12 sec latency 191.855 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 437 1.18 MB/sec warmup 13 sec latency 135.316 ms 1 469 1.17 MB/sec warmup 14 sec latency 154.871 ms 1 501 1.16 MB/sec warmup 15 sec latency 333.733 ms 07:20:59 (1786965659) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 501 1.09 MB/sec warmup 16 sec latency 1338.518 ms 1 501 1.02 MB/sec warmup 17 sec latency 2338.731 ms 1 501 0.97 MB/sec warmup 18 sec latency 3338.968 ms 1 501 0.92 MB/sec warmup 19 sec latency 4339.179 ms 1 501 0.00 MB/sec execute 1 sec latency 6341.836 ms 1 501 0.00 MB/sec execute 2 sec latency 7344.189 ms 1 501 0.00 MB/sec execute 3 sec latency 8344.411 ms 1 501 0.00 MB/sec execute 4 sec latency 9344.661 ms 1 501 0.00 MB/sec execute 5 sec latency 10345.591 ms 1 501 0.00 MB/sec execute 6 sec latency 11346.247 ms Failover mds1 to oleg144-server mount facets: mds1 1 501 0.00 MB/sec execute 7 sec latency 12346.989 ms 1 501 0.00 MB/sec execute 8 sec latency 13347.194 ms 1 501 0.00 MB/sec execute 9 sec latency 14347.561 ms 1 501 0.00 MB/sec execute 10 sec latency 15347.848 ms 1 501 0.00 MB/sec execute 11 sec latency 16348.903 ms 1 501 0.00 MB/sec execute 12 sec latency 17349.060 ms 1 501 0.00 MB/sec execute 13 sec latency 18349.518 ms 1 501 0.00 MB/sec execute 14 sec latency 19352.481 ms 1 501 0.00 MB/sec execute 15 sec latency 20352.742 ms 1 501 0.00 MB/sec execute 16 sec latency 21352.918 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 22353.089 ms 1 501 0.00 MB/sec execute 18 sec latency 23354.125 ms 1 501 0.00 MB/sec execute 19 sec latency 24354.328 ms 1 501 0.00 MB/sec execute 20 sec latency 25354.588 ms 1 501 0.00 MB/sec execute 21 sec latency 26354.797 ms 1 501 0.00 MB/sec execute 22 sec latency 27354.964 ms 1 501 0.00 MB/sec execute 23 sec latency 28355.162 ms 1 501 0.00 MB/sec execute 24 sec latency 29355.537 ms 1 501 0.00 MB/sec execute 25 sec latency 30356.888 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 26 sec latency 31357.172 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 27 sec latency 32357.332 ms Started lustre-MDT0000 1 501 0.00 MB/sec execute 28 sec latency 33357.828 ms 07:21:31 (1786965691) targets are mounted 07:21:31 (1786965691) facet_failover done 1 537 0.05 MB/sec execute 29 sec latency 33670.393 ms 1 552 0.05 MB/sec execute 30 sec latency 694.262 ms 1 616 0.11 MB/sec execute 31 sec latency 810.145 ms 1 666 0.12 MB/sec execute 32 sec latency 103.028 ms 1 710 0.11 MB/sec execute 33 sec latency 97.530 ms 1 738 0.11 MB/sec execute 34 sec latency 133.584 ms 1 778 0.11 MB/sec execute 35 sec latency 117.544 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 810 0.11 MB/sec execute 36 sec latency 106.054 ms 1 870 0.11 MB/sec execute 37 sec latency 85.634 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 897 0.11 MB/sec execute 38 sec latency 156.304 ms 1 920 0.11 MB/sec execute 39 sec latency 130.126 ms 1 955 0.11 MB/sec execute 40 sec latency 178.091 ms 1 988 0.11 MB/sec execute 41 sec latency 124.308 ms 1 1057 0.13 MB/sec execute 42 sec latency 113.013 ms 1 1118 0.13 MB/sec execute 43 sec latency 82.013 ms 1 1147 0.13 MB/sec execute 44 sec latency 151.263 ms 1 1172 0.12 MB/sec execute 45 sec latency 587.046 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10428 3594148 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45136 3551860 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55564 7146008 1% /mnt/lustre 1 1181 0.12 MB/sec execute 46 sec latency 1182.569 ms 1 1225 0.12 MB/sec execute 47 sec latency 83.903 ms 1 1262 0.12 MB/sec execute 48 sec latency 135.517 ms 1 1389 0.17 MB/sec execute 49 sec latency 108.208 ms 1 1422 0.17 MB/sec execute 50 sec latency 154.239 ms 1 1470 0.17 MB/sec execute 51 sec latency 137.268 ms 1 1481 0.16 MB/sec execute 52 sec latency 735.575 ms 1 1502 0.16 MB/sec execute 53 sec latency 1068.126 ms 1 1552 0.16 MB/sec execute 54 sec latency 111.860 ms 1 1616 0.16 MB/sec execute 55 sec latency 118.852 ms test_26 fail mds2 2 times 1 1656 0.16 MB/sec execute 56 sec latency 122.819 ms 1 1689 0.15 MB/sec execute 57 sec latency 153.905 ms Failing mds2 on oleg144-server 1 1733 0.15 MB/sec execute 58 sec latency 109.291 ms Stopping /mnt/lustre-mds2 (opts:) on oleg144-server 1 1799 0.15 MB/sec execute 59 sec latency 83.403 ms 1 1834 0.15 MB/sec execute 60 sec latency 123.648 ms 1 1834 0.15 MB/sec execute 61 sec latency 1122.361 ms 1 1834 0.14 MB/sec execute 62 sec latency 2122.571 ms 07:22:06 (1786965726) shut down facet: mds2 facet_host: oleg144-server facet_failover_host: oleg144-server 1 1834 0.14 MB/sec execute 63 sec latency 3122.696 ms 1 1834 0.14 MB/sec execute 64 sec latency 4122.979 ms 1 1834 0.14 MB/sec execute 65 sec latency 5123.745 ms 1 1834 0.13 MB/sec execute 66 sec latency 6123.964 ms 1 1834 0.13 MB/sec execute 67 sec latency 7125.883 ms 1 1834 0.13 MB/sec execute 68 sec latency 8126.141 ms 1 1834 0.13 MB/sec execute 69 sec latency 9126.465 ms 1 1834 0.13 MB/sec execute 70 sec latency 10126.855 ms 1 1834 0.13 MB/sec execute 71 sec latency 11128.790 ms 1 1834 0.12 MB/sec execute 72 sec latency 12129.010 ms 1 1834 0.12 MB/sec execute 73 sec latency 13134.697 ms Failover mds2 to oleg144-server mount facets: mds2 1 1834 0.12 MB/sec execute 74 sec latency 14134.966 ms 1 1834 0.12 MB/sec execute 75 sec latency 15135.242 ms 1 1834 0.12 MB/sec execute 76 sec latency 16136.163 ms 1 1834 0.12 MB/sec execute 77 sec latency 17136.593 ms 1 1834 0.11 MB/sec execute 78 sec latency 18137.037 ms 1 1834 0.11 MB/sec execute 79 sec latency 19138.177 ms 1 1834 0.11 MB/sec execute 80 sec latency 20138.423 ms 1 1834 0.11 MB/sec execute 81 sec latency 21138.724 ms 1 1834 0.11 MB/sec execute 82 sec latency 22147.528 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1834 0.11 MB/sec execute 83 sec latency 23147.801 ms 1 1834 0.11 MB/sec execute 84 sec latency 24148.589 ms 1 1834 0.10 MB/sec execute 85 sec latency 25149.726 ms 1 1834 0.10 MB/sec execute 86 sec latency 26149.917 ms 1 1834 0.10 MB/sec execute 87 sec latency 27152.014 ms 1 1834 0.10 MB/sec execute 88 sec latency 28152.214 ms 1 1834 0.10 MB/sec execute 89 sec latency 29152.394 ms 1 1834 0.10 MB/sec execute 90 sec latency 30155.693 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 1834 0.10 MB/sec execute 91 sec latency 31156.293 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 1834 0.10 MB/sec execute 92 sec latency 32157.628 ms Started lustre-MDT0001 07:22:36 (1786965756) targets are mounted 07:22:36 (1786965756) facet_failover done 1 1884 0.10 MB/sec execute 93 sec latency 32275.838 ms 1 1945 0.10 MB/sec execute 94 sec latency 156.376 ms 1 1974 0.09 MB/sec execute 95 sec latency 121.055 ms 1 2000 0.09 MB/sec execute 96 sec latency 155.390 ms 1 2062 0.09 MB/sec execute 97 sec latency 98.208 ms 1 2095 0.09 MB/sec execute 98 sec latency 155.769 ms 1 2138 0.09 MB/sec execute 99 sec latency 145.056 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 302 277.559 33670.377 Close 254 14.228 48.676 Rename 11 99.905 164.234 Unlink 28 35.146 79.908 Qpathinfo 266 18.072 115.001 Qfileinfo 63 2.444 14.225 Qfsinfo 33 4.752 32.667 Sfileinfo 34 67.957 134.168 Find 88 13.140 120.532 WriteX 215 12.447 93.543 ReadX 340 0.180 9.883 Flush 30 87.966 1068.100 Throughput 0.0928768 MB/sec 1 clients 1 procs max_latency=33670.393 ms stopping dbench on /mnt/lustre at Mon Aug 17 07:22:48 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 1414116 2304 1269000 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1932 3604976 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20708 3586104 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22640 7191080 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 17 07:22:58 EDT 2026 waiting for dbench pid 67886 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 0 10 0.00 MB/sec warmup 1 sec latency 31.146 ms 1 51 1.04 MB/sec warmup 2 sec latency 188.706 ms 1 111 1.74 MB/sec warmup 3 sec latency 152.648 ms 1 137 1.50 MB/sec warmup 4 sec latency 468.021 ms 1 153 1.29 MB/sec warmup 5 sec latency 910.647 ms 1 184 1.23 MB/sec warmup 6 sec latency 167.526 ms 1 210 1.15 MB/sec warmup 7 sec latency 474.925 ms test_26 fail mds1 3 times 1 244 1.16 MB/sec warmup 8 sec latency 184.073 ms 1 271 1.13 MB/sec warmup 9 sec latency 155.281 ms 1 293 1.07 MB/sec warmup 10 sec latency 226.424 ms Failing mds1 on oleg144-server 1 315 1.04 MB/sec warmup 11 sec latency 153.831 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 341 1.02 MB/sec warmup 12 sec latency 155.928 ms 1 365 1.00 MB/sec warmup 13 sec latency 209.551 ms 1 405 1.02 MB/sec warmup 14 sec latency 158.128 ms 1 437 1.02 MB/sec warmup 15 sec latency 170.617 ms 1 461 1.01 MB/sec warmup 16 sec latency 207.569 ms 1 501 1.03 MB/sec warmup 17 sec latency 130.463 ms 07:23:15 (1786965795) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 501 0.97 MB/sec warmup 18 sec latency 1025.514 ms 1 501 0.92 MB/sec warmup 19 sec latency 2025.732 ms 1 501 0.00 MB/sec execute 1 sec latency 4026.079 ms 1 501 0.00 MB/sec execute 2 sec latency 5026.314 ms 1 501 0.00 MB/sec execute 3 sec latency 6026.540 ms 1 501 0.00 MB/sec execute 4 sec latency 7026.844 ms 1 501 0.00 MB/sec execute 5 sec latency 8027.221 ms 1 501 0.00 MB/sec execute 6 sec latency 9027.424 ms 1 501 0.00 MB/sec execute 7 sec latency 10027.646 ms Failover mds1 to oleg144-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 11028.441 ms 1 501 0.00 MB/sec execute 9 sec latency 12029.245 ms 1 501 0.00 MB/sec execute 10 sec latency 13030.731 ms 1 501 0.00 MB/sec execute 11 sec latency 14034.074 ms 1 501 0.00 MB/sec execute 12 sec latency 15041.928 ms 1 501 0.00 MB/sec execute 13 sec latency 16043.141 ms 1 501 0.00 MB/sec execute 14 sec latency 17043.298 ms 1 501 0.00 MB/sec execute 15 sec latency 18047.159 ms 1 501 0.00 MB/sec execute 16 sec latency 19050.520 ms 1 501 0.00 MB/sec execute 17 sec latency 20051.518 ms 1 501 0.00 MB/sec execute 18 sec latency 21052.155 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 19 sec latency 22052.432 ms 1 501 0.00 MB/sec execute 20 sec latency 23052.675 ms 1 501 0.00 MB/sec execute 21 sec latency 24053.617 ms 1 501 0.00 MB/sec execute 22 sec latency 25053.823 ms 1 501 0.00 MB/sec execute 23 sec latency 26054.652 ms 1 501 0.00 MB/sec execute 24 sec latency 27054.865 ms 1 501 0.00 MB/sec execute 25 sec latency 28055.083 ms 1 501 0.00 MB/sec execute 26 sec latency 29056.300 ms 1 501 0.00 MB/sec execute 27 sec latency 30057.628 ms 1 501 0.00 MB/sec execute 28 sec latency 31058.237 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 32070.331 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 33070.593 ms 1 504 0.00 MB/sec execute 31 sec latency 33911.268 ms Started lustre-MDT0000 07:23:49 (1786965829) targets are mounted 07:23:50 (1786965830) facet_failover done 1 542 0.05 MB/sec execute 32 sec latency 143.454 ms 1 636 0.11 MB/sec execute 33 sec latency 149.651 ms 1 666 0.11 MB/sec execute 34 sec latency 122.021 ms 1 699 0.11 MB/sec execute 35 sec latency 125.829 ms 1 735 0.11 MB/sec execute 36 sec latency 151.071 ms 1 778 0.11 MB/sec execute 37 sec latency 160.598 ms 1 813 0.11 MB/sec execute 38 sec latency 109.375 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 874 0.11 MB/sec execute 39 sec latency 116.663 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 885 0.10 MB/sec execute 40 sec latency 600.775 ms 1 904 0.10 MB/sec execute 41 sec latency 354.927 ms 1 940 0.10 MB/sec execute 42 sec latency 106.535 ms 1 988 0.10 MB/sec execute 43 sec latency 88.286 ms 1 1074 0.12 MB/sec execute 44 sec latency 89.444 ms 1 1129 0.12 MB/sec execute 45 sec latency 89.401 ms 1 1161 0.12 MB/sec execute 46 sec latency 175.193 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1218 0.12 MB/sec execute 47 sec latency 74.000 ms 1 1261 0.12 MB/sec execute 48 sec latency 85.659 ms 1 1381 0.17 MB/sec execute 49 sec latency 122.300 ms 1 1421 0.17 MB/sec execute 50 sec latency 76.568 ms 1 1455 0.17 MB/sec execute 51 sec latency 131.845 ms 1 1468 0.16 MB/sec execute 52 sec latency 633.400 ms 1 1493 0.16 MB/sec execute 53 sec latency 209.047 ms 1 1525 0.16 MB/sec execute 54 sec latency 106.519 ms 1 1568 0.16 MB/sec execute 55 sec latency 117.959 ms 1 1605 0.15 MB/sec execute 56 sec latency 127.985 ms 1 1637 0.15 MB/sec execute 57 sec latency 160.438 ms 1 1669 0.15 MB/sec execute 58 sec latency 151.398 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 17 07:24:17 EDT 2026 with return code 0 1 1698 0.15 MB/sec execute 59 sec latency 183.897 ms 67886 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67886 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished