== replay-dual test 26: dbench and tar with mds failover ========================================================== 17:44:02 (1787867042) Starting client oleg413-client.virtnet: -o user_xattr,flock 192.168.204.113@tcp:/lustre /mnt/lustre Started clients oleg413-client.virtnet: 192.168.204.113@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 65665 Started dbench loop with 65666 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /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 1936 1269368 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3605452 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 5644 3588932 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7212 7194384 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 Thu Aug 27 17:44:08 EDT 2026 waiting for dbench pid 65746 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 85.803 ms 1 51 1.05 MB/sec warmup 2 sec latency 217.083 ms 1 91 1.40 MB/sec warmup 3 sec latency 132.684 ms 1 121 1.37 MB/sec warmup 4 sec latency 200.945 ms 1 147 1.26 MB/sec warmup 5 sec latency 184.235 ms 1 173 1.17 MB/sec warmup 6 sec latency 190.718 ms 1 197 1.12 MB/sec warmup 7 sec latency 413.981 ms 1 231 1.11 MB/sec warmup 8 sec latency 144.847 ms 1 279 1.16 MB/sec warmup 9 sec latency 112.423 ms test_26 fail mds1 1 times 1 315 1.14 MB/sec warmup 10 sec latency 147.506 ms 1 349 1.14 MB/sec warmup 11 sec latency 156.459 ms Failing mds1 on oleg413-server 1 374 1.11 MB/sec warmup 12 sec latency 186.995 ms Stopping /mnt/lustre-mds1 (opts:) on oleg413-server 1 413 1.12 MB/sec warmup 13 sec latency 169.488 ms 1 445 1.11 MB/sec warmup 14 sec latency 205.661 ms 1 460 1.08 MB/sec warmup 15 sec latency 647.574 ms 1 460 1.01 MB/sec warmup 16 sec latency 1649.919 ms 17:44:25 (1787867065) shut down facet: mds1 facet_host: oleg413-server facet_failover_host: oleg413-server 1 460 0.95 MB/sec warmup 17 sec latency 2657.191 ms 1 460 0.90 MB/sec warmup 18 sec latency 3658.294 ms 1 460 0.85 MB/sec warmup 19 sec latency 4660.379 ms 1 460 0.00 MB/sec execute 1 sec latency 6660.957 ms 1 460 0.00 MB/sec execute 2 sec latency 7661.944 ms 1 460 0.00 MB/sec execute 3 sec latency 8662.175 ms 1 460 0.00 MB/sec execute 4 sec latency 9662.486 ms 1 460 0.00 MB/sec execute 5 sec latency 10662.812 ms 1 460 0.00 MB/sec execute 6 sec latency 11663.340 ms 1 460 0.00 MB/sec execute 7 sec latency 12664.177 ms Failover mds1 to oleg413-server mount facets: mds1 1 460 0.00 MB/sec execute 8 sec latency 13665.057 ms 1 460 0.00 MB/sec execute 9 sec latency 14665.340 ms 1 460 0.00 MB/sec execute 10 sec latency 15667.227 ms 1 460 0.00 MB/sec execute 11 sec latency 16667.719 ms 1 460 0.00 MB/sec execute 12 sec latency 17667.981 ms 1 460 0.00 MB/sec execute 13 sec latency 18669.937 ms 1 460 0.00 MB/sec execute 14 sec latency 19670.597 ms 1 460 0.00 MB/sec execute 15 sec latency 20671.061 ms 1 460 0.00 MB/sec execute 16 sec latency 21671.497 ms 1 460 0.00 MB/sec execute 17 sec latency 22671.771 ms 1 460 0.00 MB/sec execute 18 sec latency 23673.325 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 19 sec latency 24674.709 ms 1 460 0.00 MB/sec execute 20 sec latency 25675.067 ms 1 460 0.00 MB/sec execute 21 sec latency 26677.853 ms 1 460 0.00 MB/sec execute 22 sec latency 27678.053 ms 1 460 0.00 MB/sec execute 23 sec latency 28680.294 ms 1 460 0.00 MB/sec execute 24 sec latency 29680.651 ms 1 460 0.00 MB/sec execute 25 sec latency 30680.887 ms 1 460 0.00 MB/sec execute 26 sec latency 31681.088 ms oleg413-server: oleg413-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 27 sec latency 32693.227 ms pdsh@oleg413-client: oleg413-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 28 sec latency 33700.093 ms Started lustre-MDT0000 17:44:57 (1787867097) targets are mounted 17:44:57 (1787867097) facet_failover done 1 460 0.00 MB/sec execute 29 sec latency 34702.646 ms 1 473 0.01 MB/sec execute 30 sec latency 35272.351 ms 1 514 0.05 MB/sec execute 31 sec latency 108.672 ms 1 552 0.09 MB/sec execute 32 sec latency 379.412 ms 1 612 0.15 MB/sec execute 33 sec latency 622.546 ms 1 661 0.15 MB/sec execute 34 sec latency 106.749 ms 1 692 0.14 MB/sec execute 35 sec latency 134.943 ms oleg413-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.14 MB/sec execute 36 sec latency 148.206 ms 1 747 0.14 MB/sec execute 37 sec latency 155.090 ms 1 778 0.14 MB/sec execute 38 sec latency 149.986 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 808 0.14 MB/sec execute 39 sec latency 159.401 ms 1 851 0.13 MB/sec execute 40 sec latency 113.385 ms 1 885 0.13 MB/sec execute 41 sec latency 119.023 ms 1 919 0.13 MB/sec execute 42 sec latency 105.433 ms 1 957 0.13 MB/sec execute 43 sec latency 105.856 ms 1 988 0.13 MB/sec execute 44 sec latency 122.688 ms 1 1055 0.15 MB/sec execute 45 sec latency 76.134 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1952 1269352 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11124 3592528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 42036 3562032 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 53160 7154560 1% /mnt/lustre 1 1091 0.15 MB/sec execute 46 sec latency 94.888 ms 1 1145 0.15 MB/sec execute 47 sec latency 75.774 ms 1 1172 0.14 MB/sec execute 48 sec latency 449.990 ms 1 1181 0.14 MB/sec execute 49 sec latency 1087.642 ms 1 1223 0.14 MB/sec execute 50 sec latency 87.838 ms 1 1259 0.14 MB/sec execute 51 sec latency 122.989 ms 1 1388 0.19 MB/sec execute 52 sec latency 93.436 ms 1 1419 0.19 MB/sec execute 53 sec latency 116.500 ms 1 1470 0.18 MB/sec execute 54 sec latency 77.438 ms test_26 fail mds2 2 times 1 1505 0.18 MB/sec execute 55 sec latency 143.508 ms 1 1552 0.18 MB/sec execute 56 sec latency 104.693 ms Failing mds2 on oleg413-server 1 1580 0.17 MB/sec execute 57 sec latency 96.658 ms Stopping /mnt/lustre-mds2 (opts:) on oleg413-server 1 1619 0.17 MB/sec execute 58 sec latency 136.486 ms 1 1662 0.17 MB/sec execute 59 sec latency 97.517 ms 1 1739 0.17 MB/sec execute 60 sec latency 118.895 ms 1 1808 0.17 MB/sec execute 61 sec latency 71.353 ms 1 1870 0.16 MB/sec execute 62 sec latency 94.950 ms 1 1954 0.16 MB/sec execute 63 sec latency 82.139 ms 1 2014 0.16 MB/sec execute 64 sec latency 100.425 ms 1 2098 0.16 MB/sec execute 65 sec latency 74.459 ms 1 2158 0.16 MB/sec execute 66 sec latency 86.818 ms 17:45:35 (1787867135) shut down 1 2199 0.16 MB/sec execute 67 sec latency 86.179 ms facet: mds2 facet_host: oleg413-server facet_failover_host: oleg413-server 1 2259 0.16 MB/sec execute 68 sec latency 253.918 ms 1 2259 0.15 MB/sec execute 69 sec latency 1254.466 ms 1 2259 0.15 MB/sec execute 70 sec latency 2254.780 ms 1 2259 0.15 MB/sec execute 71 sec latency 3255.182 ms 1 2259 0.15 MB/sec execute 72 sec latency 4255.515 ms 1 2259 0.15 MB/sec execute 73 sec latency 5255.794 ms 1 2259 0.14 MB/sec execute 74 sec latency 6255.989 ms 1 2259 0.14 MB/sec execute 75 sec latency 7256.224 ms 1 2259 0.14 MB/sec execute 76 sec latency 8256.452 ms 1 2259 0.14 MB/sec execute 77 sec latency 9256.662 ms Failover mds2 to oleg413-server mount facets: mds2 1 2259 0.14 MB/sec execute 78 sec latency 10256.842 ms 1 2259 0.13 MB/sec execute 79 sec latency 11257.225 ms 1 2259 0.13 MB/sec execute 80 sec latency 12257.994 ms 1 2259 0.13 MB/sec execute 81 sec latency 13258.767 ms 1 2259 0.13 MB/sec execute 82 sec latency 14260.331 ms 1 2259 0.13 MB/sec execute 83 sec latency 15260.621 ms 1 2259 0.13 MB/sec execute 84 sec latency 16261.868 ms 1 2259 0.12 MB/sec execute 85 sec latency 17262.320 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 86 sec latency 18264.207 ms 1 2259 0.12 MB/sec execute 87 sec latency 19264.988 ms 1 2259 0.12 MB/sec execute 88 sec latency 20268.060 ms 1 2259 0.12 MB/sec execute 89 sec latency 21268.254 ms 1 2259 0.12 MB/sec execute 90 sec latency 22268.713 ms oleg413-server: oleg413-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 91 sec latency 23268.938 ms pdsh@oleg413-client: oleg413-server: ssh exited with exit code 1 1 2259 0.12 MB/sec execute 92 sec latency 24269.213 ms Started lustre-MDT0001 17:46:01 (1787867161) targets are mounted 17:46:01 (1787867161) facet_failover done 1 2259 0.11 MB/sec execute 93 sec latency 25269.475 ms 1 2298 0.12 MB/sec execute 94 sec latency 25901.276 ms 1 2362 0.12 MB/sec execute 95 sec latency 111.887 ms 1 2402 0.12 MB/sec execute 96 sec latency 85.345 ms 1 2447 0.12 MB/sec execute 97 sec latency 81.039 ms 1 2497 0.13 MB/sec execute 98 sec latency 99.508 ms oleg413-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2583 0.13 MB/sec execute 99 sec latency 78.764 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 374 121.027 25901.253 Close 317 121.923 35272.318 Rename 17 94.646 159.367 Unlink 40 24.738 49.608 Qpathinfo 354 16.258 87.413 Qfileinfo 91 2.140 14.488 Qfsinfo 52 3.452 27.440 Sfileinfo 50 59.861 155.068 Find 125 12.884 77.938 WriteX 300 13.206 64.152 ReadX 540 1.964 81.328 Flush 34 52.946 134.907 Throughput 0.129025 MB/sec 1 clients 1 procs max_latency=35272.351 ms stopping dbench on /mnt/lustre at Thu Aug 27 17:46:11 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2256 1269048 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2164 1269140 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9796 3597008 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20028 3586672 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 29824 7183680 1% /mnt/lustre 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 Thu Aug 27 17:46:18 EDT 2026 waiting for dbench pid 67941 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 9 0.00 MB/sec warmup 1 sec latency 448.618 ms 1 15 0.03 MB/sec warmup 2 sec latency 5.925 ms 1 91 1.40 MB/sec warmup 3 sec latency 90.211 ms 1 135 1.49 MB/sec warmup 4 sec latency 137.381 ms test_26 fail mds1 3 times 1 178 1.44 MB/sec warmup 5 sec latency 120.347 ms 1 200 1.31 MB/sec warmup 6 sec latency 323.832 ms Failing mds1 on oleg413-server 1 247 1.34 MB/sec warmup 7 sec latency 105.059 ms Stopping /mnt/lustre-mds1 (opts:) on oleg413-server 1 289 1.34 MB/sec warmup 8 sec latency 110.446 ms 1 331 1.33 MB/sec warmup 9 sec latency 109.545 ms 1 339 1.23 MB/sec warmup 10 sec latency 840.574 ms 1 339 1.11 MB/sec warmup 11 sec latency 1841.894 ms 1 339 1.02 MB/sec warmup 12 sec latency 2842.159 ms 1 339 0.94 MB/sec warmup 13 sec latency 3842.551 ms 1 339 0.88 MB/sec warmup 14 sec latency 4842.746 ms 1 339 0.82 MB/sec warmup 15 sec latency 5842.921 ms 1 339 0.77 MB/sec warmup 16 sec latency 6843.280 ms 17:46:34 (1787867194) shut down facet: mds1 facet_host: oleg413-server facet_failover_host: oleg413-server 1 339 0.72 MB/sec warmup 17 sec latency 7843.504 ms 1 339 0.68 MB/sec warmup 18 sec latency 8843.782 ms 1 339 0.65 MB/sec warmup 19 sec latency 9844.314 ms 1 339 0.00 MB/sec execute 1 sec latency 11844.657 ms 1 339 0.00 MB/sec execute 2 sec latency 12844.869 ms 1 339 0.00 MB/sec execute 3 sec latency 13845.371 ms 1 339 0.00 MB/sec execute 4 sec latency 14847.192 ms 1 339 0.00 MB/sec execute 5 sec latency 15847.640 ms 1 339 0.00 MB/sec execute 6 sec latency 16848.019 ms Failover mds1 to oleg413-server mount facets: mds1 1 339 0.00 MB/sec execute 7 sec latency 17848.217 ms 1 339 0.00 MB/sec execute 8 sec latency 18850.641 ms 1 339 0.00 MB/sec execute 9 sec latency 19850.899 ms 1 339 0.00 MB/sec execute 10 sec latency 20851.133 ms 1 339 0.00 MB/sec execute 11 sec latency 21851.898 ms 1 339 0.00 MB/sec execute 12 sec latency 22854.340 ms 1 339 0.00 MB/sec execute 13 sec latency 23854.765 ms 1 339 0.00 MB/sec execute 14 sec latency 24855.327 ms 1 339 0.00 MB/sec execute 15 sec latency 25855.670 ms 1 339 0.00 MB/sec execute 16 sec latency 26855.957 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 17 sec latency 27856.307 ms 1 339 0.00 MB/sec execute 18 sec latency 28856.587 ms 1 339 0.00 MB/sec execute 19 sec latency 29856.922 ms 1 339 0.00 MB/sec execute 20 sec latency 30857.213 ms 1 339 0.00 MB/sec execute 21 sec latency 31859.086 ms 1 339 0.00 MB/sec execute 22 sec latency 32859.376 ms 1 339 0.00 MB/sec execute 23 sec latency 33859.663 ms 1 339 0.00 MB/sec execute 24 sec latency 34859.993 ms 1 339 0.00 MB/sec execute 25 sec latency 35860.960 ms 1 339 0.00 MB/sec execute 26 sec latency 36861.266 ms 1 339 0.00 MB/sec execute 27 sec latency 37862.164 ms 1 339 0.00 MB/sec execute 28 sec latency 38862.770 ms oleg413-server: oleg413-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 29 sec latency 39865.749 ms pdsh@oleg413-client: oleg413-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 30 sec latency 40866.205 ms Started lustre-MDT0000 17:47:08 (1787867228) targets are mounted 17:47:08 (1787867228) facet_failover done 1 339 0.00 MB/sec execute 31 sec latency 41866.716 ms 1 349 0.01 MB/sec execute 32 sec latency 42559.652 ms 1 369 0.03 MB/sec execute 33 sec latency 288.926 ms 1 397 0.05 MB/sec execute 34 sec latency 338.819 ms 1 432 0.08 MB/sec execute 35 sec latency 142.356 ms 1 469 0.12 MB/sec execute 36 sec latency 153.342 ms 1 501 0.14 MB/sec execute 37 sec latency 139.517 ms 1 522 0.15 MB/sec execute 38 sec latency 167.365 ms 1 589 0.21 MB/sec execute 39 sec latency 211.530 ms oleg413-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 636 0.22 MB/sec execute 40 sec latency 163.764 ms 1 656 0.21 MB/sec execute 41 sec latency 151.991 ms 1 686 0.21 MB/sec execute 42 sec latency 154.417 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 710 0.21 MB/sec execute 43 sec latency 149.687 ms 1 734 0.21 MB/sec execute 44 sec latency 186.572 ms 1 762 0.20 MB/sec execute 45 sec latency 148.933 ms 1 779 0.20 MB/sec execute 46 sec latency 201.640 ms 1 801 0.20 MB/sec execute 47 sec latency 185.135 ms 1 848 0.19 MB/sec execute 48 sec latency 121.888 ms 1 882 0.19 MB/sec execute 49 sec latency 98.087 ms 1 903 0.19 MB/sec execute 50 sec latency 165.447 ms 1 931 0.19 MB/sec execute 51 sec latency 113.982 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 967 0.18 MB/sec execute 52 sec latency 132.524 ms 1 985 0.18 MB/sec execute 53 sec latency 184.244 ms 1 1035 0.20 MB/sec execute 54 sec latency 114.108 ms 1 1039 0.19 MB/sec execute 55 sec latency 891.881 ms 1 1077 0.19 MB/sec execute 56 sec latency 132.097 ms 1 1126 0.19 MB/sec execute 57 sec latency 97.264 ms 1 1155 0.18 MB/sec execute 58 sec latency 275.449 ms 1 1202 0.18 MB/sec execute 59 sec latency 87.856 ms 1 1244 0.18 MB/sec execute 60 sec latency 115.130 ms 1 1274 0.18 MB/sec execute 61 sec latency 230.170 ms 1 1412 0.22 MB/sec execute 62 sec latency 131.852 ms 1 1465 0.22 MB/sec execute 63 sec latency 96.760 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 17:47:41 EDT 2026 with return code 0 67941 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 1 1509 0.22 MB/sec execute 64 sec latency 116.846 ms killed dbench main pid 67941 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished