== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:55:54 (1779206154) Starting client oleg314-client.virtnet: -o user_xattr,flock 192.168.203.114@tcp:/lustre /mnt/lustre Started clients oleg314-client.virtnet: 192.168.203.114@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64959 Started dbench loop with 64962 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3584848 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190304 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 May 19 11:56:00 EDT 2026 waiting for dbench pid 65038 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 0 10 0.00 MB/sec warmup 1 sec latency 126.291 ms 1 77 1.66 MB/sec warmup 2 sec latency 137.729 ms 1 137 2.00 MB/sec warmup 3 sec latency 114.050 ms 1 169 1.71 MB/sec warmup 4 sec latency 160.637 ms 1 197 1.56 MB/sec warmup 5 sec latency 447.553 ms 1 232 1.48 MB/sec warmup 6 sec latency 126.815 ms 1 271 1.45 MB/sec warmup 7 sec latency 113.595 ms 1 305 1.40 MB/sec warmup 8 sec latency 125.852 ms test_26 fail mds1 1 times 1 340 1.36 MB/sec warmup 9 sec latency 147.284 ms 1 373 1.33 MB/sec warmup 10 sec latency 151.585 ms Failing mds1 on oleg314-server 1 398 1.28 MB/sec warmup 11 sec latency 239.163 ms Stopping /mnt/lustre-mds1 (opts:) on oleg314-server 1 441 1.28 MB/sec warmup 12 sec latency 116.301 ms 1 477 1.28 MB/sec warmup 13 sec latency 152.832 ms 1 501 1.24 MB/sec warmup 14 sec latency 508.446 ms 11:56:15 (1779206175) shut down facet: mds1 facet_host: oleg314-server facet_failover_host: oleg314-server 1 501 1.16 MB/sec warmup 15 sec latency 1508.648 ms 1 501 1.09 MB/sec warmup 16 sec latency 2509.366 ms 1 501 1.02 MB/sec warmup 17 sec latency 3511.023 ms 1 501 0.97 MB/sec warmup 18 sec latency 4511.919 ms 1 501 0.92 MB/sec warmup 19 sec latency 5514.036 ms 1 501 0.00 MB/sec execute 1 sec latency 7514.390 ms 1 501 0.00 MB/sec execute 2 sec latency 8515.049 ms 1 501 0.00 MB/sec execute 3 sec latency 9515.256 ms 1 501 0.00 MB/sec execute 4 sec latency 10515.451 ms Failover mds1 to oleg314-server 1 501 0.00 MB/sec execute 5 sec latency 11516.964 ms mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 12518.247 ms 1 501 0.00 MB/sec execute 7 sec latency 13519.887 ms 1 501 0.00 MB/sec execute 8 sec latency 14520.202 ms 1 501 0.00 MB/sec execute 9 sec latency 15520.414 ms 1 501 0.00 MB/sec execute 10 sec latency 16520.582 ms 1 501 0.00 MB/sec execute 11 sec latency 17526.688 ms 1 501 0.00 MB/sec execute 12 sec latency 18526.903 ms 1 501 0.00 MB/sec execute 13 sec latency 19527.119 ms 1 501 0.00 MB/sec execute 14 sec latency 20528.057 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 15 sec latency 21529.551 ms 1 501 0.00 MB/sec execute 16 sec latency 22529.866 ms 1 501 0.00 MB/sec execute 17 sec latency 23530.153 ms 1 501 0.00 MB/sec execute 18 sec latency 24531.037 ms 1 501 0.00 MB/sec execute 19 sec latency 25534.551 ms 1 501 0.00 MB/sec execute 20 sec latency 26534.691 ms 1 501 0.00 MB/sec execute 21 sec latency 27534.876 ms 1 501 0.00 MB/sec execute 22 sec latency 28535.006 ms 1 501 0.00 MB/sec execute 23 sec latency 29535.280 ms oleg314-server: oleg314-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 24 sec latency 30535.845 ms pdsh@oleg314-client: oleg314-server: ssh exited with exit code 1 Started lustre-MDT0000 1 501 0.00 MB/sec execute 25 sec latency 31536.465 ms 11:56:45 (1779206205) targets are mounted 11:56:45 (1779206205) facet_failover done 1 501 0.00 MB/sec execute 26 sec latency 32536.655 ms 1 535 0.05 MB/sec execute 27 sec latency 32758.928 ms 1 589 0.10 MB/sec execute 28 sec latency 554.902 ms 1 654 0.12 MB/sec execute 29 sec latency 92.863 ms oleg314-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 692 0.12 MB/sec execute 30 sec latency 111.296 ms 1 723 0.12 MB/sec execute 31 sec latency 124.258 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.12 MB/sec execute 32 sec latency 95.253 ms 1 800 0.12 MB/sec execute 33 sec latency 127.331 ms 1 861 0.12 MB/sec execute 34 sec latency 82.582 ms 1 895 0.12 MB/sec execute 35 sec latency 101.905 ms 1 940 0.12 MB/sec execute 36 sec latency 81.375 ms 1 983 0.12 MB/sec execute 37 sec latency 127.819 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2060 1269244 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1872 1269432 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11628 3593480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35844 3561108 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47472 7154588 1% /mnt/lustre 1 1047 0.14 MB/sec execute 38 sec latency 90.925 ms 1 1099 0.14 MB/sec execute 39 sec latency 67.447 ms 1 1147 0.14 MB/sec execute 40 sec latency 113.724 ms 1 1172 0.14 MB/sec execute 41 sec latency 711.308 ms 1 1188 0.13 MB/sec execute 42 sec latency 946.202 ms 1 1198 0.13 MB/sec execute 43 sec latency 1259.760 ms 1 1242 0.13 MB/sec execute 44 sec latency 81.857 ms 1 1384 0.19 MB/sec execute 45 sec latency 62.799 ms test_26 fail mds2 2 times 1 1437 0.19 MB/sec execute 46 sec latency 86.880 ms 1 1486 0.18 MB/sec execute 47 sec latency 91.087 ms Failing mds2 on oleg314-server 1 1540 0.18 MB/sec execute 48 sec latency 91.899 ms Stopping /mnt/lustre-mds2 (opts:) on oleg314-server 1 1603 0.18 MB/sec execute 49 sec latency 84.404 ms 1 1613 0.17 MB/sec execute 50 sec latency 762.067 ms 1 1613 0.17 MB/sec execute 51 sec latency 1762.320 ms 11:57:11 (1779206231) shut down facet: mds2 facet_host: oleg314-server facet_failover_host: oleg314-server 1 1613 0.17 MB/sec execute 52 sec latency 2762.844 ms 1 1613 0.16 MB/sec execute 53 sec latency 3763.336 ms 1 1613 0.16 MB/sec execute 54 sec latency 4763.921 ms 1 1613 0.16 MB/sec execute 55 sec latency 5764.126 ms 1 1613 0.16 MB/sec execute 56 sec latency 6764.307 ms 1 1613 0.15 MB/sec execute 57 sec latency 7764.527 ms 1 1613 0.15 MB/sec execute 58 sec latency 8764.971 ms 1 1613 0.15 MB/sec execute 59 sec latency 9769.843 ms 1 1613 0.14 MB/sec execute 60 sec latency 10770.408 ms 1 1613 0.14 MB/sec execute 61 sec latency 11771.039 ms Failover mds2 to oleg314-server mount facets: mds2 1 1613 0.14 MB/sec execute 62 sec latency 12771.256 ms 1 1613 0.14 MB/sec execute 63 sec latency 13771.529 ms 1 1613 0.14 MB/sec execute 64 sec latency 14771.680 ms 1 1613 0.13 MB/sec execute 65 sec latency 15771.911 ms 1 1613 0.13 MB/sec execute 66 sec latency 16772.150 ms 1 1613 0.13 MB/sec execute 67 sec latency 17774.084 ms 1 1613 0.13 MB/sec execute 68 sec latency 18774.354 ms 1 1613 0.13 MB/sec execute 69 sec latency 19774.571 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1613 0.12 MB/sec execute 70 sec latency 20775.168 ms 1 1613 0.12 MB/sec execute 71 sec latency 21775.493 ms 1 1613 0.12 MB/sec execute 72 sec latency 22776.039 ms 1 1613 0.12 MB/sec execute 73 sec latency 23777.083 ms 1 1613 0.12 MB/sec execute 74 sec latency 24777.283 ms oleg314-server: oleg314-server.virtnet: executing set_default_debug -1 all pdsh@oleg314-client: oleg314-server: ssh exited with exit code 1 1 1613 0.12 MB/sec execute 75 sec latency 25777.426 ms Started lustre-MDT0001 11:57:36 (1779206256) targets are mounted 11:57:36 (1779206256) facet_failover done 1 1613 0.11 MB/sec execute 76 sec latency 26777.772 ms 1 1613 0.11 MB/sec execute 77 sec latency 27778.752 ms 1 1613 0.11 MB/sec execute 78 sec latency 28779.276 ms 1 1643 0.11 MB/sec execute 79 sec latency 29274.904 ms 1 1686 0.11 MB/sec execute 80 sec latency 94.555 ms oleg314-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1727 0.11 MB/sec execute 81 sec latency 145.170 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1785 0.11 MB/sec execute 82 sec latency 83.314 ms 1 1843 0.11 MB/sec execute 83 sec latency 87.792 ms 1 1934 0.11 MB/sec execute 84 sec latency 95.668 ms 1 1996 0.11 MB/sec execute 85 sec latency 81.383 ms 1 2058 0.11 MB/sec execute 86 sec latency 76.988 ms 1 2139 0.11 MB/sec execute 87 sec latency 109.044 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2332 1268972 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2128 1269176 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 14204 3592760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 54828 3551920 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 69032 7144680 1% /mnt/lustre 1 2177 0.11 MB/sec execute 88 sec latency 90.669 ms 1 2253 0.10 MB/sec execute 89 sec latency 87.069 ms 1 2350 0.12 MB/sec execute 90 sec latency 81.869 ms 1 2396 0.12 MB/sec execute 91 sec latency 99.691 ms 1 2416 0.12 MB/sec execute 92 sec latency 654.420 ms 1 2432 0.11 MB/sec execute 93 sec latency 1275.141 ms 1 2479 0.12 MB/sec execute 94 sec latency 94.245 ms 1 2563 0.12 MB/sec execute 95 sec latency 85.028 ms test_26 fail mds1 3 times 1 2597 0.12 MB/sec execute 96 sec latency 98.668 ms Failing mds1 on oleg314-server 1 2768 0.15 MB/sec execute 97 sec latency 80.037 ms Stopping /mnt/lustre-mds1 (opts:) on oleg314-server 1 2906 0.16 MB/sec execute 98 sec latency 65.139 ms 1 2934 0.16 MB/sec execute 99 sec latency 534.933 ms 1 cleanup 100 sec 11:58:01 (1779206281) shut down facet: mds1 facet_host: oleg314-server facet_failover_host: oleg314-server 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 1 cleanup 110 sec Failover mds1 to oleg314-server mount facets: mds1 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec oleg314-server: oleg314-server.virtnet: executing set_default_debug -1 all 1 cleanup 132 sec pdsh@oleg314-client: oleg314-server: ssh exited with exit code 1 1 cleanup 133 sec Started lustre-MDT0000 11:58:33 (1779206313) targets are mounted 11:58:33 (1779206313) facet_failover done 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec oleg314-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 0 cleanup 138 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 389 206.648 32758.915 Close 328 14.470 1259.736 Rename 19 79.009 145.136 Unlink 44 23.510 42.154 Qpathinfo 370 110.432 35852.838 Qfileinfo 95 1.899 16.782 Qfsinfo 55 3.356 22.389 Sfileinfo 50 49.864 101.893 Find 128 10.065 59.100 WriteX 301 11.039 66.084 ReadX 615 0.573 80.013 LockX 2 8.567 8.714 UnlockX 2 12.579 12.861 Flush 36 83.575 1275.114 Throughput 0.16165 MB/sec 1 clients 1 procs max_latency=32758.928 ms stopping dbench on /mnt/lustre at Tue May 19 11:58:38 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/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 May 19 11:58:44 EDT 2026 waiting for dbench pid 68148 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 1.05 MB/sec warmup 1 sec latency 26.146 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2636 1268668 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2396 1268908 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3068 3603440 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 41500 3559996 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 44568 7163436 1% /mnt/lustre 1 91 2.10 MB/sec warmup 2 sec latency 145.966 ms 1 139 2.01 MB/sec warmup 3 sec latency 140.400 ms 1 180 1.83 MB/sec warmup 4 sec latency 118.703 ms 1 199 1.57 MB/sec warmup 5 sec latency 485.079 ms 1 239 1.52 MB/sec warmup 6 sec latency 148.099 ms 1 263 1.42 MB/sec warmup 7 sec latency 455.331 ms 1 301 1.38 MB/sec warmup 8 sec latency 515.745 ms 1 349 1.39 MB/sec warmup 9 sec latency 87.922 ms 1 405 1.43 MB/sec warmup 10 sec latency 79.018 ms test_26 fail mds2 4 times 1 454 1.44 MB/sec warmup 11 sec latency 82.146 ms Failing mds2 on oleg314-server 1 501 1.45 MB/sec warmup 12 sec latency 146.668 ms Stopping /mnt/lustre-mds2 (opts:) on oleg314-server 1 597 1.60 MB/sec warmup 13 sec latency 106.207 ms 1 600 1.50 MB/sec warmup 14 sec latency 980.728 ms 11:58:59 (1779206339) shut down facet: mds2 facet_host: oleg314-server facet_failover_host: oleg314-server 1 600 1.40 MB/sec warmup 15 sec latency 1981.088 ms 1 600 1.31 MB/sec warmup 16 sec latency 2981.324 ms 1 600 1.23 MB/sec warmup 17 sec latency 3981.561 ms 1 600 1.16 MB/sec warmup 18 sec latency 4981.788 ms 1 600 1.10 MB/sec warmup 19 sec latency 5981.943 ms 1 600 0.00 MB/sec execute 1 sec latency 7983.248 ms 1 600 0.00 MB/sec execute 2 sec latency 8983.770 ms 1 600 0.00 MB/sec execute 3 sec latency 9983.916 ms 1 600 0.00 MB/sec execute 4 sec latency 10984.601 ms 1 600 0.00 MB/sec execute 5 sec latency 11985.672 ms Failover mds2 to oleg314-server mount facets: mds2 1 600 0.00 MB/sec execute 6 sec latency 12986.629 ms 1 600 0.00 MB/sec execute 7 sec latency 13987.015 ms 1 600 0.00 MB/sec execute 8 sec latency 14987.172 ms 1 600 0.00 MB/sec execute 9 sec latency 15987.385 ms 1 600 0.00 MB/sec execute 10 sec latency 16991.082 ms 1 600 0.00 MB/sec execute 11 sec latency 17991.239 ms 1 600 0.00 MB/sec execute 12 sec latency 18991.470 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 600 0.00 MB/sec execute 13 sec latency 19992.009 ms 1 600 0.00 MB/sec execute 14 sec latency 20993.518 ms 1 600 0.00 MB/sec execute 15 sec latency 21993.763 ms 1 600 0.00 MB/sec execute 16 sec latency 22994.035 ms 1 600 0.00 MB/sec execute 17 sec latency 23994.628 ms oleg314-server: oleg314-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 18 sec latency 24994.885 ms pdsh@oleg314-client: oleg314-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 19 sec latency 25995.258 ms Started lustre-MDT0001 11:59:24 (1779206364) targets are mounted 11:59:24 (1779206364) facet_failover done 1 600 0.00 MB/sec execute 20 sec latency 26995.751 ms 1 609 0.00 MB/sec execute 21 sec latency 27846.637 ms 1 681 0.01 MB/sec execute 22 sec latency 80.843 ms 1 721 0.01 MB/sec execute 23 sec latency 130.306 ms oleg314-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 770 0.02 MB/sec execute 24 sec latency 95.737 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.02 MB/sec execute 25 sec latency 125.039 ms 1 870 0.03 MB/sec execute 26 sec latency 80.718 ms 1 884 0.03 MB/sec execute 27 sec latency 612.177 ms 1 910 0.03 MB/sec execute 28 sec latency 830.963 ms 1 955 0.03 MB/sec execute 29 sec latency 102.835 ms 1 995 0.03 MB/sec execute 30 sec latency 92.336 ms 1 1067 0.06 MB/sec execute 31 sec latency 130.039 ms 1 1139 0.06 MB/sec execute 32 sec latency 57.122 ms 1 1196 0.06 MB/sec execute 33 sec latency 99.649 ms 1 1244 0.06 MB/sec execute 34 sec latency 110.233 ms 1 1389 0.14 MB/sec execute 35 sec latency 81.452 ms 1 1448 0.14 MB/sec execute 36 sec latency 75.285 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1492 0.14 MB/sec execute 37 sec latency 287.646 ms 1 1558 0.13 MB/sec execute 38 sec latency 65.814 ms 1 1632 0.13 MB/sec execute 39 sec latency 68.908 ms 1 1687 0.13 MB/sec execute 40 sec latency 79.011 ms 1 1762 0.13 MB/sec execute 41 sec latency 68.573 ms 1 1822 0.13 MB/sec execute 42 sec latency 112.224 ms 1 1877 0.13 MB/sec execute 43 sec latency 92.995 ms 1 1965 0.12 MB/sec execute 44 sec latency 84.662 ms 1 2022 0.12 MB/sec execute 45 sec latency 66.209 ms 1 2098 0.12 MB/sec execute 46 sec latency 76.257 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue May 19 11:59:51 EDT 2026 with return code 0 68148 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68148 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished