== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:01:52 (1787785312) Starting client oleg419-client.virtnet: -o user_xattr,flock 192.168.204.119@tcp:/lustre /mnt/lustre Started clients oleg419-client.virtnet: 192.168.204.119@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 65713 Started dbench loop with 65714 striped dir -i0 -c2 -H crush2 /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9756 3584820 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190296 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 Wed Aug 26 19:01:58 EDT 2026 waiting for dbench pid 65791 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 25.768 ms 1 71 1.57 MB/sec warmup 2 sec latency 122.857 ms 1 113 1.74 MB/sec warmup 3 sec latency 238.310 ms 1 147 1.57 MB/sec warmup 4 sec latency 163.480 ms 1 178 1.44 MB/sec warmup 5 sec latency 189.761 ms 1 190 1.26 MB/sec warmup 6 sec latency 496.172 ms 1 219 1.20 MB/sec warmup 7 sec latency 235.711 ms 1 255 1.20 MB/sec warmup 8 sec latency 117.973 ms 1 297 1.21 MB/sec warmup 9 sec latency 124.343 ms test_26 fail mds1 1 times 1 331 1.20 MB/sec warmup 10 sec latency 158.346 ms 1 357 1.16 MB/sec warmup 11 sec latency 136.763 ms Failing mds1 on oleg419-server 1 389 1.15 MB/sec warmup 12 sec latency 242.770 ms Stopping /mnt/lustre-mds1 (opts:) on oleg419-server 1 425 1.15 MB/sec warmup 13 sec latency 154.905 ms 1 456 1.13 MB/sec warmup 14 sec latency 169.156 ms 1 461 1.07 MB/sec warmup 15 sec latency 926.223 ms 1 461 1.01 MB/sec warmup 16 sec latency 1926.469 ms 19:02:15 (1787785335) shut down 1 461 0.95 MB/sec warmup 17 sec latency 2930.277 ms facet: mds1 facet_host: oleg419-server facet_failover_host: oleg419-server 1 461 0.90 MB/sec warmup 18 sec latency 3930.582 ms 1 461 0.85 MB/sec warmup 19 sec latency 4931.443 ms 1 461 0.00 MB/sec execute 1 sec latency 6933.366 ms 1 461 0.00 MB/sec execute 2 sec latency 7936.615 ms 1 461 0.00 MB/sec execute 3 sec latency 8937.024 ms 1 461 0.00 MB/sec execute 4 sec latency 9937.213 ms 1 461 0.00 MB/sec execute 5 sec latency 10939.858 ms 1 461 0.00 MB/sec execute 6 sec latency 11941.025 ms 1 461 0.00 MB/sec execute 7 sec latency 12941.426 ms Failover mds1 to oleg419-server mount facets: mds1 1 461 0.00 MB/sec execute 8 sec latency 13941.602 ms 1 461 0.00 MB/sec execute 9 sec latency 14942.292 ms 1 461 0.00 MB/sec execute 10 sec latency 15942.505 ms 1 461 0.00 MB/sec execute 11 sec latency 16942.768 ms 1 461 0.00 MB/sec execute 12 sec latency 17943.152 ms 1 461 0.00 MB/sec execute 13 sec latency 18943.469 ms 1 461 0.00 MB/sec execute 14 sec latency 19943.710 ms 1 461 0.00 MB/sec execute 15 sec latency 20944.355 ms 1 461 0.00 MB/sec execute 16 sec latency 21945.892 ms 1 461 0.00 MB/sec execute 17 sec latency 22947.135 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 461 0.00 MB/sec execute 18 sec latency 23948.023 ms 1 461 0.00 MB/sec execute 19 sec latency 24948.345 ms 1 461 0.00 MB/sec execute 20 sec latency 25948.698 ms 1 461 0.00 MB/sec execute 21 sec latency 26949.270 ms 1 461 0.00 MB/sec execute 22 sec latency 27950.417 ms 1 461 0.00 MB/sec execute 23 sec latency 28963.967 ms 1 461 0.00 MB/sec execute 24 sec latency 29964.122 ms 1 461 0.00 MB/sec execute 25 sec latency 30966.873 ms 1 461 0.00 MB/sec execute 26 sec latency 31968.700 ms 1 461 0.00 MB/sec execute 27 sec latency 32968.946 ms oleg419-server: oleg419-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 28 sec latency 33970.299 ms pdsh@oleg419-client: oleg419-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 29 sec latency 34970.495 ms Started lustre-MDT0000 19:02:48 (1787785368) targets are mounted 19:02:48 (1787785368) facet_failover done 1 461 0.00 MB/sec execute 30 sec latency 35971.481 ms 1 482 0.02 MB/sec execute 31 sec latency 36490.156 ms 1 522 0.06 MB/sec execute 32 sec latency 118.961 ms 1 552 0.09 MB/sec execute 33 sec latency 541.551 ms 1 583 0.11 MB/sec execute 34 sec latency 1131.551 ms 1 616 0.14 MB/sec execute 35 sec latency 161.719 ms 1 649 0.14 MB/sec execute 36 sec latency 223.289 ms 1 685 0.14 MB/sec execute 37 sec latency 98.817 ms 1 705 0.13 MB/sec execute 38 sec latency 161.922 ms oleg419-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 730 0.13 MB/sec execute 39 sec latency 115.207 ms 1 748 0.13 MB/sec execute 40 sec latency 176.825 ms 1 777 0.13 MB/sec execute 41 sec latency 176.810 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 799 0.13 MB/sec execute 42 sec latency 171.284 ms 1 821 0.12 MB/sec execute 43 sec latency 144.717 ms 1 856 0.12 MB/sec execute 44 sec latency 143.272 ms 1 882 0.12 MB/sec execute 45 sec latency 136.477 ms 1 908 0.12 MB/sec execute 46 sec latency 133.364 ms 1 933 0.12 MB/sec execute 47 sec latency 130.244 ms 1 964 0.12 MB/sec execute 48 sec latency 131.600 ms 1 981 0.12 MB/sec execute 49 sec latency 199.178 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1932 1269372 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36352 3570052 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 22584 3584100 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58936 7154152 1% /mnt/lustre 1 1002 0.12 MB/sec execute 50 sec latency 127.694 ms 1 1045 0.13 MB/sec execute 51 sec latency 113.052 ms 1 1082 0.13 MB/sec execute 52 sec latency 126.111 ms 1 1126 0.13 MB/sec execute 53 sec latency 80.713 ms 1 1156 0.13 MB/sec execute 54 sec latency 183.515 ms 1 1172 0.12 MB/sec execute 55 sec latency 468.343 ms 1 1177 0.12 MB/sec execute 56 sec latency 1210.500 ms 1 1219 0.12 MB/sec execute 57 sec latency 71.030 ms 1 1259 0.12 MB/sec execute 58 sec latency 103.232 ms 1 1285 0.12 MB/sec execute 59 sec latency 194.521 ms 1 1405 0.16 MB/sec execute 60 sec latency 105.305 ms 1 1457 0.16 MB/sec execute 61 sec latency 98.690 ms test_26 fail mds2 2 times 1 1493 0.16 MB/sec execute 62 sec latency 157.802 ms 1 1524 0.16 MB/sec execute 63 sec latency 111.084 ms Failing mds2 on oleg419-server 1 1560 0.15 MB/sec execute 64 sec latency 135.417 ms Stopping /mnt/lustre-mds2 (opts:) on oleg419-server 1 1597 0.15 MB/sec execute 65 sec latency 92.504 ms 1 1632 0.15 MB/sec execute 66 sec latency 187.340 ms 1 1656 0.15 MB/sec execute 67 sec latency 141.855 ms 1 1692 0.15 MB/sec execute 68 sec latency 151.136 ms 1 1755 0.15 MB/sec execute 69 sec latency 98.969 ms 19:03:27 (1787785407) shut down facet: mds2 facet_host: oleg419-server facet_failover_host: oleg419-server 1 1809 0.14 MB/sec execute 70 sec latency 112.743 ms 1 1868 0.14 MB/sec execute 71 sec latency 109.804 ms 1 1942 0.14 MB/sec execute 72 sec latency 67.185 ms 1 1997 0.14 MB/sec execute 73 sec latency 105.996 ms 1 2098 0.14 MB/sec execute 74 sec latency 94.035 ms 1 2158 0.14 MB/sec execute 75 sec latency 167.963 ms 1 2215 0.14 MB/sec execute 76 sec latency 85.097 ms 1 2259 0.14 MB/sec execute 77 sec latency 583.310 ms 1 2259 0.14 MB/sec execute 78 sec latency 1584.100 ms 1 2259 0.13 MB/sec execute 79 sec latency 2584.356 ms Failover mds2 to oleg419-server 1 2259 0.13 MB/sec execute 80 sec latency 3584.812 ms mount facets: mds2 1 2259 0.13 MB/sec execute 81 sec latency 4585.459 ms 1 2259 0.13 MB/sec execute 82 sec latency 5585.958 ms 1 2259 0.13 MB/sec execute 83 sec latency 6586.860 ms 1 2259 0.13 MB/sec execute 84 sec latency 7588.305 ms 1 2259 0.12 MB/sec execute 85 sec latency 8588.557 ms 1 2259 0.12 MB/sec execute 86 sec latency 9588.949 ms 1 2259 0.12 MB/sec execute 87 sec latency 10589.820 ms 1 2259 0.12 MB/sec execute 88 sec latency 11590.213 ms 1 2259 0.12 MB/sec execute 89 sec latency 12590.855 ms 1 2259 0.12 MB/sec execute 90 sec latency 13593.856 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 91 sec latency 14594.139 ms 1 2259 0.12 MB/sec execute 92 sec latency 15594.416 ms 1 2259 0.11 MB/sec execute 93 sec latency 16599.492 ms 1 2259 0.11 MB/sec execute 94 sec latency 17600.045 ms 1 2259 0.11 MB/sec execute 95 sec latency 18605.358 ms 1 2259 0.11 MB/sec execute 96 sec latency 19608.179 ms 1 2259 0.11 MB/sec execute 97 sec latency 20611.771 ms oleg419-server: oleg419-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 98 sec latency 21613.524 ms pdsh@oleg419-client: oleg419-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 99 sec latency 22617.054 ms Started lustre-MDT0001 19:03:58 (1787785438) targets are mounted 19:03:58 (1787785438) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 325 246.207 36490.132 Close 281 13.871 72.314 Rename 11 111.504 199.143 Unlink 30 34.262 66.610 Qpathinfo 295 18.014 161.698 Qfileinfo 74 2.593 33.375 Qfsinfo 33 6.204 47.872 Sfileinfo 34 87.896 194.498 Find 92 17.086 120.131 WriteX 247 15.162 121.838 ReadX 350 4.267 141.696 Flush 30 71.241 167.464 Throughput 0.107063 MB/sec 1 clients 1 procs max_latency=36490.156 ms stopping dbench on /mnt/lustre at Wed Aug 26 19:04:02 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg419-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Wed Aug 26 19:04:12 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 8 0.00 MB/sec warmup 1 sec latency 165.368 ms 1 80 1.76 MB/sec warmup 2 sec latency 96.813 ms 1 113 1.74 MB/sec warmup 3 sec latency 243.696 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2360 1268944 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11544 3595328 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35684 3569920 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165248 1% /mnt/lustre 1 140 1.50 MB/sec warmup 4 sec latency 162.924 ms 1 174 1.41 MB/sec warmup 5 sec latency 160.967 ms 1 191 1.26 MB/sec warmup 6 sec latency 491.713 ms 1 223 1.23 MB/sec warmup 7 sec latency 143.304 ms 1 261 1.23 MB/sec warmup 8 sec latency 127.207 ms 1 289 1.19 MB/sec warmup 9 sec latency 143.348 ms 1 315 1.14 MB/sec warmup 10 sec latency 221.738 ms 1 339 1.11 MB/sec warmup 11 sec latency 248.803 ms 1 357 1.06 MB/sec warmup 12 sec latency 495.282 ms 1 386 1.05 MB/sec warmup 13 sec latency 153.682 ms 1 421 1.06 MB/sec warmup 14 sec latency 135.146 ms test_26 fail mds1 3 times 1 458 1.07 MB/sec warmup 15 sec latency 134.093 ms 1 501 1.09 MB/sec warmup 16 sec latency 140.906 ms Failing mds1 on oleg419-server 1 521 1.06 MB/sec warmup 17 sec latency 197.451 ms 1 603 1.16 MB/sec warmup 18 sec latency 184.245 ms Stopping /mnt/lustre-mds1 (opts:) on oleg419-server 1 649 1.11 MB/sec warmup 19 sec latency 116.710 ms 1 660 0.00 MB/sec execute 1 sec latency 1630.294 ms 1 660 0.00 MB/sec execute 2 sec latency 2630.860 ms 1 660 0.00 MB/sec execute 3 sec latency 3631.142 ms 1 660 0.00 MB/sec execute 4 sec latency 4631.404 ms 1 660 0.00 MB/sec execute 5 sec latency 5632.080 ms 1 660 0.00 MB/sec execute 6 sec latency 6633.856 ms 1 660 0.00 MB/sec execute 7 sec latency 7634.199 ms 19:04:40 (1787785480) shut down 1 660 0.00 MB/sec execute 8 sec latency 8634.669 ms facet: mds1 facet_host: oleg419-server facet_failover_host: oleg419-server 1 660 0.00 MB/sec execute 9 sec latency 9634.939 ms 1 660 0.00 MB/sec execute 10 sec latency 10635.240 ms 1 660 0.00 MB/sec execute 11 sec latency 11635.442 ms 1 660 0.00 MB/sec execute 12 sec latency 12635.781 ms 1 660 0.00 MB/sec execute 13 sec latency 13637.903 ms 1 660 0.00 MB/sec execute 14 sec latency 14638.305 ms 1 660 0.00 MB/sec execute 15 sec latency 15638.722 ms 1 660 0.00 MB/sec execute 16 sec latency 16639.065 ms 1 660 0.00 MB/sec execute 17 sec latency 17644.513 ms 1 660 0.00 MB/sec execute 18 sec latency 18645.882 ms Failover mds1 to oleg419-server mount facets: mds1 1 660 0.00 MB/sec execute 19 sec latency 19646.384 ms 1 660 0.00 MB/sec execute 20 sec latency 20646.598 ms 1 660 0.00 MB/sec execute 21 sec latency 21647.804 ms 1 660 0.00 MB/sec execute 22 sec latency 22648.073 ms 1 660 0.00 MB/sec execute 23 sec latency 23648.358 ms 1 660 0.00 MB/sec execute 24 sec latency 24648.585 ms 1 660 0.00 MB/sec execute 25 sec latency 25648.907 ms 1 660 0.00 MB/sec execute 26 sec latency 26649.719 ms 1 660 0.00 MB/sec execute 27 sec latency 27649.986 ms 1 660 0.00 MB/sec execute 28 sec latency 28650.343 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 660 0.00 MB/sec execute 29 sec latency 29650.691 ms 1 660 0.00 MB/sec execute 30 sec latency 30650.998 ms 1 660 0.00 MB/sec execute 31 sec latency 31651.630 ms 1 660 0.00 MB/sec execute 32 sec latency 32652.097 ms 1 660 0.00 MB/sec execute 33 sec latency 33652.589 ms 1 660 0.00 MB/sec execute 34 sec latency 34652.923 ms 1 660 0.00 MB/sec execute 35 sec latency 35654.716 ms 1 660 0.00 MB/sec execute 36 sec latency 36655.006 ms 1 660 0.00 MB/sec execute 37 sec latency 37655.848 ms 1 660 0.00 MB/sec execute 38 sec latency 38656.899 ms 1 660 0.00 MB/sec execute 39 sec latency 39657.208 ms 1 660 0.00 MB/sec execute 40 sec latency 40657.481 ms 1 660 0.00 MB/sec execute 41 sec latency 41658.454 ms oleg419-server: oleg419-server.virtnet: executing set_default_debug -1 all 1 660 0.00 MB/sec execute 42 sec latency 42658.975 ms 1 660 0.00 MB/sec execute 43 sec latency 43659.439 ms pdsh@oleg419-client: oleg419-server: ssh exited with exit code 1 1 691 0.00 MB/sec execute 44 sec latency 43730.887 ms Started lustre-MDT0000 19:05:17 (1787785517) targets are mounted 19:05:17 (1787785517) facet_failover done 1 711 0.00 MB/sec execute 45 sec latency 165.365 ms 1 738 0.00 MB/sec execute 46 sec latency 116.262 ms 1 773 0.00 MB/sec execute 47 sec latency 192.981 ms 1 799 0.01 MB/sec execute 48 sec latency 199.842 ms 1 821 0.01 MB/sec execute 49 sec latency 147.373 ms 1 863 0.01 MB/sec execute 50 sec latency 144.561 ms 1 884 0.01 MB/sec execute 51 sec latency 138.914 ms 1 884 0.01 MB/sec execute 52 sec latency 1051.503 ms 1 890 0.01 MB/sec execute 53 sec latency 1728.934 ms oleg419-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 913 0.01 MB/sec execute 54 sec latency 168.471 ms 1 954 0.01 MB/sec execute 55 sec latency 116.578 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 981 0.01 MB/sec execute 56 sec latency 115.489 ms 1 1029 0.03 MB/sec execute 57 sec latency 105.188 ms 1 1071 0.03 MB/sec execute 58 sec latency 100.510 ms 1 1126 0.03 MB/sec execute 59 sec latency 100.730 ms 1 1155 0.03 MB/sec execute 60 sec latency 124.282 ms 1 1193 0.03 MB/sec execute 61 sec latency 107.986 ms 1 1233 0.03 MB/sec execute 62 sec latency 120.766 ms 1 1274 0.03 MB/sec execute 63 sec latency 120.754 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1399 0.08 MB/sec execute 64 sec latency 103.037 ms 1 1436 0.07 MB/sec execute 65 sec latency 104.069 ms 1 1467 0.07 MB/sec execute 66 sec latency 355.871 ms 1 1497 0.07 MB/sec execute 67 sec latency 401.358 ms 1 1538 0.07 MB/sec execute 68 sec latency 96.152 ms 1 1570 0.07 MB/sec execute 69 sec latency 100.216 ms 1 1608 0.07 MB/sec execute 70 sec latency 71.926 ms 1 1651 0.07 MB/sec execute 71 sec latency 128.575 ms 1 1680 0.07 MB/sec execute 72 sec latency 295.604 ms 1 1707 0.07 MB/sec execute 73 sec latency 140.127 ms 1 1775 0.07 MB/sec execute 74 sec latency 89.574 ms 1 1820 0.07 MB/sec execute 75 sec latency 123.378 ms 1 1859 0.07 MB/sec execute 76 sec latency 152.508 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 26 19:05:49 EDT 2026 with return code 0 1 1909 0.07 MB/sec execute 77 sec latency 117.932 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