== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:19:11 (1787444351) Starting client oleg233-client.virtnet: -o user_xattr,flock 192.168.202.133@tcp:/lustre /mnt/lustre Started clients oleg233-client.virtnet: 192.168.202.133@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 65675 Started dbench loop with 65677 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /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 1764 1269540 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9756 3597216 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7202692 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 Sat Aug 22 20:19:19 EDT 2026 waiting for dbench pid 65764 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 73.385 ms 1 78 1.70 MB/sec warmup 2 sec latency 142.820 ms 1 116 1.74 MB/sec warmup 3 sec latency 244.400 ms 1 147 1.57 MB/sec warmup 4 sec latency 169.102 ms 1 181 1.46 MB/sec warmup 5 sec latency 134.170 ms 1 207 1.35 MB/sec warmup 6 sec latency 500.304 ms 1 247 1.34 MB/sec warmup 7 sec latency 132.858 ms test_26 fail mds1 1 times 1 279 1.30 MB/sec warmup 8 sec latency 179.889 ms 1 305 1.24 MB/sec warmup 9 sec latency 163.269 ms 1 330 1.20 MB/sec warmup 10 sec latency 179.524 ms Failing mds1 on oleg233-server Stopping /mnt/lustre-mds1 (opts:) on oleg233-server 1 365 1.18 MB/sec warmup 11 sec latency 176.953 ms 1 402 1.18 MB/sec warmup 12 sec latency 152.228 ms 1 405 1.10 MB/sec warmup 13 sec latency 950.911 ms 1 405 1.02 MB/sec warmup 14 sec latency 1951.303 ms 20:19:33 (1787444373) shut down facet: mds1 facet_host: oleg233-server facet_failover_host: oleg233-server 1 405 0.95 MB/sec warmup 15 sec latency 2952.177 ms 1 405 0.89 MB/sec warmup 16 sec latency 3953.653 ms 1 405 0.84 MB/sec warmup 17 sec latency 4953.941 ms 1 405 0.79 MB/sec warmup 18 sec latency 5954.863 ms 1 405 0.75 MB/sec warmup 19 sec latency 6955.255 ms 1 405 0.00 MB/sec execute 1 sec latency 8956.449 ms 1 405 0.00 MB/sec execute 2 sec latency 9957.484 ms 1 405 0.00 MB/sec execute 3 sec latency 10957.688 ms 1 405 0.00 MB/sec execute 4 sec latency 11957.876 ms Failover mds1 to oleg233-server 1 405 0.00 MB/sec execute 5 sec latency 12958.479 ms mount facets: mds1 1 405 0.00 MB/sec execute 6 sec latency 13960.523 ms 1 405 0.00 MB/sec execute 7 sec latency 14961.808 ms 1 405 0.00 MB/sec execute 8 sec latency 15962.030 ms 1 405 0.00 MB/sec execute 9 sec latency 16963.551 ms 1 405 0.00 MB/sec execute 10 sec latency 17963.824 ms 1 405 0.00 MB/sec execute 11 sec latency 18964.227 ms 1 405 0.00 MB/sec execute 12 sec latency 19964.421 ms 1 405 0.00 MB/sec execute 13 sec latency 20964.612 ms 1 405 0.00 MB/sec execute 14 sec latency 21964.829 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 405 0.00 MB/sec execute 15 sec latency 22966.077 ms 1 405 0.00 MB/sec execute 16 sec latency 23966.473 ms 1 405 0.00 MB/sec execute 17 sec latency 24969.516 ms 1 405 0.00 MB/sec execute 18 sec latency 25969.980 ms 1 405 0.00 MB/sec execute 19 sec latency 26970.427 ms 1 405 0.00 MB/sec execute 20 sec latency 27971.053 ms 1 405 0.00 MB/sec execute 21 sec latency 28971.499 ms 1 405 0.00 MB/sec execute 22 sec latency 29973.376 ms 1 405 0.00 MB/sec execute 23 sec latency 30973.961 ms 1 405 0.00 MB/sec execute 24 sec latency 31975.217 ms oleg233-server: oleg233-server.virtnet: executing set_default_debug -1 all 1 405 0.00 MB/sec execute 25 sec latency 32975.530 ms pdsh@oleg233-client: oleg233-server: ssh exited with exit code 1 1 405 0.00 MB/sec execute 26 sec latency 33976.483 ms Started lustre-MDT0000 20:20:06 (1787444406) targets are mounted 20:20:06 (1787444406) facet_failover done 1 405 0.00 MB/sec execute 27 sec latency 34977.104 ms 1 437 0.04 MB/sec execute 28 sec latency 35018.459 ms 1 477 0.08 MB/sec execute 29 sec latency 143.741 ms 1 509 0.11 MB/sec execute 30 sec latency 149.470 ms 1 552 0.15 MB/sec execute 31 sec latency 156.626 ms 1 606 0.21 MB/sec execute 32 sec latency 500.657 ms 1 654 0.20 MB/sec execute 33 sec latency 108.463 ms oleg233-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 680 0.20 MB/sec execute 34 sec latency 160.436 ms 1 710 0.20 MB/sec execute 35 sec latency 135.969 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 738 0.19 MB/sec execute 36 sec latency 159.527 ms 1 780 0.19 MB/sec execute 37 sec latency 122.806 ms 1 823 0.19 MB/sec execute 38 sec latency 109.166 ms 1 876 0.19 MB/sec execute 39 sec latency 89.366 ms 1 914 0.19 MB/sec execute 40 sec latency 122.755 ms 1 959 0.18 MB/sec execute 41 sec latency 86.814 ms 1 990 0.18 MB/sec execute 42 sec latency 109.004 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 40652 3563304 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11900 3590628 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52552 7153932 1% /mnt/lustre 1 1060 0.20 MB/sec execute 43 sec latency 125.137 ms 1 1112 0.20 MB/sec execute 44 sec latency 90.072 ms 1 1157 0.19 MB/sec execute 45 sec latency 112.441 ms 1 1172 0.19 MB/sec execute 46 sec latency 737.015 ms 1 1211 0.19 MB/sec execute 47 sec latency 949.583 ms 1 1255 0.18 MB/sec execute 48 sec latency 107.916 ms 1 1382 0.24 MB/sec execute 49 sec latency 157.822 ms 1 1421 0.23 MB/sec execute 50 sec latency 82.915 ms 1 1470 0.23 MB/sec execute 51 sec latency 101.886 ms test_26 fail mds2 2 times 1 1504 0.22 MB/sec execute 52 sec latency 140.267 ms 1 1551 0.22 MB/sec execute 53 sec latency 106.629 ms Failing mds2 on oleg233-server 1 1582 0.22 MB/sec execute 54 sec latency 109.643 ms Stopping /mnt/lustre-mds2 (opts:) on oleg233-server 1 1625 0.21 MB/sec execute 55 sec latency 92.343 ms 1 1682 0.21 MB/sec execute 56 sec latency 141.001 ms 1 1725 0.21 MB/sec execute 57 sec latency 127.188 ms 20:20:37 (1787444437) shut down 1 1797 0.21 MB/sec execute 58 sec latency 77.074 ms facet: mds2 facet_host: oleg233-server facet_failover_host: oleg233-server 1 1848 0.20 MB/sec execute 59 sec latency 80.272 ms 1 1924 0.20 MB/sec execute 60 sec latency 77.390 ms 1 2016 0.20 MB/sec execute 61 sec latency 56.568 ms 1 2103 0.20 MB/sec execute 62 sec latency 68.538 ms 1 2164 0.20 MB/sec execute 63 sec latency 67.864 ms 1 2206 0.19 MB/sec execute 64 sec latency 111.411 ms 1 2259 0.19 MB/sec execute 65 sec latency 478.950 ms 1 2259 0.19 MB/sec execute 66 sec latency 1479.250 ms 1 2259 0.19 MB/sec execute 67 sec latency 2480.531 ms 1 2259 0.18 MB/sec execute 68 sec latency 3482.385 ms Failover mds2 to oleg233-server mount facets: mds2 1 2259 0.18 MB/sec execute 69 sec latency 4482.702 ms 1 2259 0.18 MB/sec execute 70 sec latency 5483.744 ms 1 2259 0.17 MB/sec execute 71 sec latency 6484.390 ms 1 2259 0.17 MB/sec execute 72 sec latency 7490.053 ms 1 2259 0.17 MB/sec execute 73 sec latency 8490.507 ms 1 2259 0.17 MB/sec execute 74 sec latency 9490.776 ms 1 2259 0.17 MB/sec execute 75 sec latency 10490.993 ms 1 2259 0.16 MB/sec execute 76 sec latency 11491.363 ms 1 2259 0.16 MB/sec execute 77 sec latency 12491.591 ms 1 2259 0.16 MB/sec execute 78 sec latency 13494.619 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.16 MB/sec execute 79 sec latency 14494.910 ms 1 2259 0.16 MB/sec execute 80 sec latency 15495.167 ms 1 2259 0.15 MB/sec execute 81 sec latency 16496.337 ms 1 2259 0.15 MB/sec execute 82 sec latency 17496.579 ms 1 2259 0.15 MB/sec execute 83 sec latency 18499.166 ms 1 2259 0.15 MB/sec execute 84 sec latency 19499.685 ms oleg233-server: oleg233-server.virtnet: executing set_default_debug -1 all 1 2259 0.15 MB/sec execute 85 sec latency 20499.883 ms 1 2259 0.14 MB/sec execute 86 sec latency 21500.118 ms pdsh@oleg233-client: oleg233-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 87 sec latency 22500.354 ms Started lustre-MDT0001 20:21:06 (1787444466) targets are mounted 20:21:06 (1787444466) facet_failover done 1 2294 0.15 MB/sec execute 88 sec latency 23069.017 ms 1 2348 0.15 MB/sec execute 89 sec latency 92.341 ms 1 2376 0.15 MB/sec execute 90 sec latency 123.057 ms 1 2405 0.15 MB/sec execute 91 sec latency 127.109 ms 1 2441 0.15 MB/sec execute 92 sec latency 150.905 ms 1 2479 0.15 MB/sec execute 93 sec latency 123.858 ms oleg233-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2567 0.15 MB/sec execute 94 sec latency 136.257 ms 1 2608 0.15 MB/sec execute 95 sec latency 89.862 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2768 0.18 MB/sec execute 96 sec latency 87.027 ms 1 2896 0.19 MB/sec execute 97 sec latency 120.797 ms 1 2931 0.20 MB/sec execute 98 sec latency 122.721 ms 1 3010 0.19 MB/sec execute 99 sec latency 83.994 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 50848 3553648 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11136 3595768 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 61984 7149416 1% /mnt/lustre 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 423 188.415 35018.437 Close 353 11.522 66.277 Rename 21 84.881 159.484 Unlink 48 24.727 65.294 Qpathinfo 399 15.665 100.609 Qfileinfo 116 1.926 12.872 Qfsinfo 59 2.867 21.417 Sfileinfo 50 60.329 160.415 Find 135 12.441 95.168 WriteX 371 14.224 72.452 ReadX 769 1.175 84.734 LockX 2 11.703 16.428 UnlockX 2 15.369 22.346 Flush 38 60.485 120.776 Throughput 0.193555 MB/sec 1 clients 1 procs max_latency=35018.459 ms stopping dbench on /mnt/lustre at Sat Aug 22 20:21:23 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 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 Sat Aug 22 20:21:34 EDT 2026 waiting for dbench pid 67969 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs test_26 fail mds1 3 times 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 77.307 ms 1 44 0.85 MB/sec warmup 2 sec latency 147.308 ms Failing mds1 on oleg233-server 1 110 1.75 MB/sec warmup 3 sec latency 142.284 ms Stopping /mnt/lustre-mds1 (opts:) on oleg233-server 1 142 1.50 MB/sec warmup 4 sec latency 180.711 ms 1 157 1.31 MB/sec warmup 5 sec latency 518.209 ms 1 157 1.09 MB/sec warmup 6 sec latency 1518.622 ms 1 157 0.93 MB/sec warmup 7 sec latency 2518.990 ms 1 157 0.82 MB/sec warmup 8 sec latency 3519.440 ms 1 157 0.73 MB/sec warmup 9 sec latency 4520.972 ms 20:21:44 (1787444504) shut down 1 157 0.65 MB/sec warmup 10 sec latency 5521.428 ms facet: mds1 facet_host: oleg233-server facet_failover_host: oleg233-server 1 157 0.59 MB/sec warmup 11 sec latency 6521.634 ms 1 157 0.54 MB/sec warmup 12 sec latency 7522.451 ms 1 157 0.50 MB/sec warmup 13 sec latency 8522.714 ms 1 157 0.47 MB/sec warmup 14 sec latency 9522.970 ms 1 157 0.44 MB/sec warmup 15 sec latency 10523.168 ms 1 157 0.41 MB/sec warmup 16 sec latency 11523.967 ms 1 157 0.38 MB/sec warmup 17 sec latency 12524.328 ms 1 157 0.36 MB/sec warmup 18 sec latency 13524.555 ms 1 157 0.34 MB/sec warmup 19 sec latency 14531.691 ms Failover mds1 to oleg233-server mount facets: mds1 1 157 0.00 MB/sec execute 1 sec latency 16532.165 ms 1 157 0.00 MB/sec execute 2 sec latency 17533.565 ms 1 157 0.00 MB/sec execute 3 sec latency 18536.003 ms 1 157 0.00 MB/sec execute 4 sec latency 19536.467 ms 1 157 0.00 MB/sec execute 5 sec latency 20536.857 ms 1 157 0.00 MB/sec execute 6 sec latency 21537.182 ms 1 157 0.00 MB/sec execute 7 sec latency 22537.430 ms 1 157 0.00 MB/sec execute 8 sec latency 23540.054 ms 1 157 0.00 MB/sec execute 9 sec latency 24543.721 ms 1 157 0.00 MB/sec execute 10 sec latency 25546.406 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 157 0.00 MB/sec execute 11 sec latency 26547.327 ms 1 157 0.00 MB/sec execute 12 sec latency 27548.017 ms 1 157 0.00 MB/sec execute 13 sec latency 28548.324 ms 1 157 0.00 MB/sec execute 14 sec latency 29552.254 ms 1 157 0.00 MB/sec execute 15 sec latency 30552.518 ms 1 157 0.00 MB/sec execute 16 sec latency 31552.882 ms 1 157 0.00 MB/sec execute 17 sec latency 32553.531 ms 1 157 0.00 MB/sec execute 18 sec latency 33553.874 ms 1 157 0.00 MB/sec execute 19 sec latency 34557.659 ms 1 157 0.00 MB/sec execute 20 sec latency 35558.616 ms 1 157 0.00 MB/sec execute 21 sec latency 36558.974 ms 1 157 0.00 MB/sec execute 22 sec latency 37564.278 ms 1 157 0.00 MB/sec execute 23 sec latency 38564.562 ms 1 157 0.00 MB/sec execute 24 sec latency 39564.933 ms 1 157 0.00 MB/sec execute 25 sec latency 40565.531 ms 1 157 0.00 MB/sec execute 26 sec latency 41568.088 ms 1 157 0.00 MB/sec execute 27 sec latency 42570.856 ms 1 157 0.00 MB/sec execute 28 sec latency 43571.059 ms 1 157 0.00 MB/sec execute 29 sec latency 44572.249 ms 1 157 0.00 MB/sec execute 30 sec latency 45574.327 ms oleg233-server: oleg233-server.virtnet: executing set_default_debug -1 all 1 157 0.00 MB/sec execute 31 sec latency 46574.686 ms 1 157 0.00 MB/sec execute 32 sec latency 47577.611 ms pdsh@oleg233-client: oleg233-server: ssh exited with exit code 1 1 157 0.00 MB/sec execute 33 sec latency 48578.696 ms Started lustre-MDT0000 20:22:27 (1787444547) targets are mounted 20:22:27 (1787444547) facet_failover done 1 172 0.02 MB/sec execute 34 sec latency 49312.309 ms 1 197 0.04 MB/sec execute 35 sec latency 372.542 ms 1 222 0.06 MB/sec execute 36 sec latency 227.854 ms 1 261 0.09 MB/sec execute 37 sec latency 138.339 ms 1 300 0.12 MB/sec execute 38 sec latency 147.698 ms 1 339 0.15 MB/sec execute 39 sec latency 124.618 ms 1 364 0.16 MB/sec execute 40 sec latency 182.230 ms oleg233-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 393 0.18 MB/sec execute 41 sec latency 190.832 ms 1 430 0.20 MB/sec execute 42 sec latency 150.230 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 460 0.22 MB/sec execute 43 sec latency 189.282 ms 1 492 0.24 MB/sec execute 44 sec latency 127.953 ms 1 514 0.25 MB/sec execute 45 sec latency 186.886 ms 1 591 0.30 MB/sec execute 46 sec latency 99.073 ms 1 650 0.31 MB/sec execute 47 sec latency 98.392 ms 1 689 0.30 MB/sec execute 48 sec latency 157.301 ms 1 713 0.30 MB/sec execute 49 sec latency 129.104 ms 1 758 0.30 MB/sec execute 50 sec latency 111.991 ms 1 786 0.29 MB/sec execute 51 sec latency 118.639 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 815 0.29 MB/sec execute 52 sec latency 153.257 ms 1 870 0.28 MB/sec execute 53 sec latency 111.713 ms 1 884 0.28 MB/sec execute 54 sec latency 481.846 ms 1 887 0.27 MB/sec execute 55 sec latency 1305.111 ms 1 914 0.27 MB/sec execute 56 sec latency 129.637 ms 1 965 0.27 MB/sec execute 57 sec latency 102.317 ms 1 988 0.26 MB/sec execute 58 sec latency 130.044 ms 1 1050 0.28 MB/sec execute 59 sec latency 112.743 ms 1 1099 0.27 MB/sec execute 60 sec latency 131.498 ms 1 1155 0.27 MB/sec execute 61 sec latency 87.993 ms 1 1193 0.27 MB/sec execute 62 sec latency 96.281 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 20:22:56 EDT 2026 with return code 0 67969 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67969 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished