== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:13:03 (1787868783) Starting client oleg408-client.virtnet: -o user_xattr,flock 192.168.204.108@tcp:/lustre /mnt/lustre Started clients oleg408-client.virtnet: 192.168.204.108@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 65654 Started dbench loop with 65655 striped dir -i0 -c2 -H crush /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 1764 1269540 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3605452 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13836 3589008 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15404 7194460 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 18:13:09 EDT 2026 waiting for dbench pid 65733 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 8 0.00 MB/sec warmup 1 sec latency 205.879 ms 1 61 1.27 MB/sec warmup 2 sec latency 123.565 ms 1 111 1.74 MB/sec warmup 3 sec latency 167.160 ms 1 137 1.50 MB/sec warmup 4 sec latency 188.520 ms 1 157 1.31 MB/sec warmup 5 sec latency 203.679 ms 1 173 1.18 MB/sec warmup 6 sec latency 524.172 ms 1 189 1.08 MB/sec warmup 7 sec latency 569.876 ms 1 232 1.11 MB/sec warmup 8 sec latency 118.793 ms 1 279 1.16 MB/sec warmup 9 sec latency 171.247 ms test_26 fail mds1 1 times 1 315 1.14 MB/sec warmup 10 sec latency 139.566 ms 1 341 1.11 MB/sec warmup 11 sec latency 181.786 ms Failing mds1 on oleg408-server 1 373 1.10 MB/sec warmup 12 sec latency 222.667 ms Stopping /mnt/lustre-mds1 (opts:) on oleg408-server 1 405 1.10 MB/sec warmup 13 sec latency 210.238 ms 1 428 1.08 MB/sec warmup 14 sec latency 399.885 ms 1 428 1.00 MB/sec warmup 15 sec latency 1402.325 ms 18:13:25 (1787868805) shut down 1 428 0.94 MB/sec warmup 16 sec latency 2403.025 ms facet: mds1 facet_host: oleg408-server facet_failover_host: oleg408-server 1 428 0.89 MB/sec warmup 17 sec latency 3403.226 ms 1 428 0.84 MB/sec warmup 18 sec latency 4405.452 ms 1 428 0.79 MB/sec warmup 19 sec latency 5405.731 ms 1 428 0.00 MB/sec execute 1 sec latency 7414.251 ms 1 428 0.00 MB/sec execute 2 sec latency 8414.397 ms 1 428 0.00 MB/sec execute 3 sec latency 9414.584 ms 1 428 0.00 MB/sec execute 4 sec latency 10414.872 ms 1 428 0.00 MB/sec execute 5 sec latency 11415.500 ms 1 428 0.00 MB/sec execute 6 sec latency 12416.183 ms Failover mds1 to oleg408-server mount facets: mds1 1 428 0.00 MB/sec execute 7 sec latency 13416.373 ms 1 428 0.00 MB/sec execute 8 sec latency 14417.140 ms 1 428 0.00 MB/sec execute 9 sec latency 15418.141 ms 1 428 0.00 MB/sec execute 10 sec latency 16418.337 ms 1 428 0.00 MB/sec execute 11 sec latency 17418.508 ms 1 428 0.00 MB/sec execute 12 sec latency 18418.688 ms 1 428 0.00 MB/sec execute 13 sec latency 19418.891 ms 1 428 0.00 MB/sec execute 14 sec latency 20424.476 ms 1 428 0.00 MB/sec execute 15 sec latency 21424.607 ms 1 428 0.00 MB/sec execute 16 sec latency 22428.627 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 17 sec latency 23438.178 ms 1 428 0.00 MB/sec execute 18 sec latency 24438.835 ms 1 428 0.00 MB/sec execute 19 sec latency 25439.837 ms 1 428 0.00 MB/sec execute 20 sec latency 26440.064 ms 1 428 0.00 MB/sec execute 21 sec latency 27440.285 ms 1 428 0.00 MB/sec execute 22 sec latency 28440.572 ms 1 428 0.00 MB/sec execute 23 sec latency 29440.843 ms 1 428 0.00 MB/sec execute 24 sec latency 30441.020 ms 1 428 0.00 MB/sec execute 25 sec latency 31442.509 ms 1 428 0.00 MB/sec execute 26 sec latency 32442.720 ms 1 428 0.00 MB/sec execute 27 sec latency 33444.112 ms oleg408-server: oleg408-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 28 sec latency 34444.522 ms pdsh@oleg408-client: oleg408-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 29 sec latency 35444.721 ms Started lustre-MDT0000 18:13:59 (1787868839) targets are mounted 18:13:59 (1787868839) facet_failover done 1 428 0.00 MB/sec execute 30 sec latency 36445.846 ms 1 437 0.01 MB/sec execute 31 sec latency 37053.318 ms 1 465 0.03 MB/sec execute 32 sec latency 213.727 ms 1 501 0.07 MB/sec execute 33 sec latency 129.045 ms 1 522 0.09 MB/sec execute 34 sec latency 254.208 ms 1 552 0.11 MB/sec execute 35 sec latency 555.623 ms 1 609 0.16 MB/sec execute 36 sec latency 715.406 ms oleg408-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 654 0.16 MB/sec execute 37 sec latency 158.415 ms 1 692 0.16 MB/sec execute 38 sec latency 104.619 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 721 0.16 MB/sec execute 39 sec latency 160.189 ms 1 743 0.15 MB/sec execute 40 sec latency 149.453 ms 1 786 0.15 MB/sec execute 41 sec latency 119.905 ms 1 821 0.15 MB/sec execute 42 sec latency 100.808 ms 1 870 0.15 MB/sec execute 43 sec latency 117.953 ms 1 900 0.15 MB/sec execute 44 sec latency 139.567 ms 1 931 0.15 MB/sec execute 45 sec latency 90.475 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2052 1269252 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 8872 3593432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40412 3561448 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 49284 7154880 1% /mnt/lustre 1 959 0.15 MB/sec execute 46 sec latency 150.365 ms 1 983 0.14 MB/sec execute 47 sec latency 157.486 ms 1 1051 0.16 MB/sec execute 48 sec latency 105.850 ms 1 1099 0.16 MB/sec execute 49 sec latency 91.106 ms 1 1138 0.16 MB/sec execute 50 sec latency 79.128 ms 1 1172 0.15 MB/sec execute 51 sec latency 400.686 ms 1 1177 0.15 MB/sec execute 52 sec latency 1180.145 ms 1 1208 0.15 MB/sec execute 53 sec latency 137.678 ms 1 1262 0.15 MB/sec execute 54 sec latency 89.372 ms 1 1392 0.20 MB/sec execute 55 sec latency 95.708 ms test_26 fail mds2 2 times 1 1426 0.19 MB/sec execute 56 sec latency 119.765 ms 1 1465 0.19 MB/sec execute 57 sec latency 141.463 ms Failing mds2 on oleg408-server 1 1499 0.19 MB/sec execute 58 sec latency 138.127 ms Stopping /mnt/lustre-mds2 (opts:) on oleg408-server 1 1532 0.19 MB/sec execute 59 sec latency 82.717 ms 1 1570 0.18 MB/sec execute 60 sec latency 139.950 ms 1 1625 0.18 MB/sec execute 61 sec latency 104.327 ms 1 1686 0.18 MB/sec execute 62 sec latency 96.434 ms 1 1770 0.18 MB/sec execute 63 sec latency 120.406 ms 1 1828 0.18 MB/sec execute 64 sec latency 80.120 ms 1 1877 0.17 MB/sec execute 65 sec latency 92.216 ms 1 1965 0.17 MB/sec execute 66 sec latency 80.393 ms 1 2014 0.17 MB/sec execute 67 sec latency 115.032 ms 18:14:37 (1787868877) shut down facet: mds2 facet_host: oleg408-server facet_failover_host: oleg408-server 1 2088 0.17 MB/sec execute 68 sec latency 82.246 ms 1 2160 0.17 MB/sec execute 69 sec latency 73.852 ms 1 2241 0.17 MB/sec execute 70 sec latency 56.662 ms 1 2259 0.16 MB/sec execute 71 sec latency 845.897 ms 1 2259 0.16 MB/sec execute 72 sec latency 1846.113 ms 1 2259 0.16 MB/sec execute 73 sec latency 2846.416 ms 1 2259 0.16 MB/sec execute 74 sec latency 3846.643 ms 1 2259 0.16 MB/sec execute 75 sec latency 4846.868 ms 1 2259 0.15 MB/sec execute 76 sec latency 5847.115 ms 1 2259 0.15 MB/sec execute 77 sec latency 6847.444 ms Failover mds2 to oleg408-server 1 2259 0.15 MB/sec execute 78 sec latency 7854.741 ms mount facets: mds2 1 2259 0.15 MB/sec execute 79 sec latency 8855.122 ms 1 2259 0.15 MB/sec execute 80 sec latency 9857.535 ms 1 2259 0.14 MB/sec execute 81 sec latency 10857.974 ms 1 2259 0.14 MB/sec execute 82 sec latency 11858.363 ms 1 2259 0.14 MB/sec execute 83 sec latency 12868.822 ms 1 2259 0.14 MB/sec execute 84 sec latency 13869.062 ms 1 2259 0.14 MB/sec execute 85 sec latency 14869.720 ms 1 2259 0.14 MB/sec execute 86 sec latency 15870.007 ms 1 2259 0.13 MB/sec execute 87 sec latency 16870.234 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 88 sec latency 17870.471 ms 1 2259 0.13 MB/sec execute 89 sec latency 18870.884 ms 1 2259 0.13 MB/sec execute 90 sec latency 19871.077 ms 1 2259 0.13 MB/sec execute 91 sec latency 20871.358 ms 1 2259 0.13 MB/sec execute 92 sec latency 21871.551 ms 1 2259 0.13 MB/sec execute 93 sec latency 22871.781 ms oleg408-server: oleg408-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 94 sec latency 23873.888 ms pdsh@oleg408-client: oleg408-server: ssh exited with exit code 1 1 2259 0.12 MB/sec execute 95 sec latency 24877.466 ms Started lustre-MDT0001 18:15:05 (1787868905) targets are mounted 18:15:05 (1787868905) facet_failover done 1 2259 0.12 MB/sec execute 96 sec latency 25877.761 ms 1 2327 0.13 MB/sec execute 97 sec latency 26224.181 ms 1 2358 0.13 MB/sec execute 98 sec latency 105.261 ms 1 2400 0.13 MB/sec execute 99 sec latency 102.666 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg408-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 347 130.246 26224.166 Close 302 135.819 37053.300 Rename 14 90.376 160.165 Unlink 34 27.844 64.592 Qpathinfo 320 15.246 139.927 Qfileinfo 85 2.393 12.472 Qfsinfo 39 4.353 41.915 Sfileinfo 44 64.765 149.435 Find 107 12.021 81.694 WriteX 296 13.334 70.188 ReadX 381 2.476 86.948 Flush 33 57.496 131.824 Throughput 0.12959 MB/sec 1 clients 1 procs max_latency=37053.318 ms stopping dbench on /mnt/lustre at Thu Aug 27 18:15:13 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /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 Thu Aug 27 18:15:21 EDT 2026 waiting for dbench pid 67871 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2316 1268988 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] 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 lustre-OST0000_UUID 3833116 10760 3578428 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19460 3586348 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 30220 7164776 1% /mnt/lustre 1 of 1 processes prepared for launch 0 sec releasing clients 0 11 0.00 MB/sec warmup 1 sec latency 4.842 ms 1 76 1.63 MB/sec warmup 2 sec latency 128.341 ms 1 129 1.92 MB/sec warmup 3 sec latency 168.666 ms 1 157 1.63 MB/sec warmup 4 sec latency 149.091 ms 1 184 1.47 MB/sec warmup 5 sec latency 208.974 ms 1 211 1.36 MB/sec warmup 6 sec latency 426.787 ms 1 247 1.34 MB/sec warmup 7 sec latency 160.866 ms 1 283 1.31 MB/sec warmup 8 sec latency 110.979 ms 1 320 1.29 MB/sec warmup 9 sec latency 183.306 ms test_26 fail mds1 3 times 1 357 1.28 MB/sec warmup 10 sec latency 147.260 ms 1 389 1.25 MB/sec warmup 11 sec latency 153.316 ms Failing mds1 on oleg408-server 1 421 1.24 MB/sec warmup 12 sec latency 205.804 ms Stopping /mnt/lustre-mds1 (opts:) on oleg408-server 1 453 1.22 MB/sec warmup 13 sec latency 171.084 ms 1 484 1.21 MB/sec warmup 14 sec latency 159.996 ms 1 484 1.13 MB/sec warmup 15 sec latency 1156.054 ms 1 484 1.06 MB/sec warmup 16 sec latency 2156.279 ms 1 484 0.99 MB/sec warmup 17 sec latency 3156.484 ms 1 484 0.94 MB/sec warmup 18 sec latency 4156.748 ms 1 484 0.89 MB/sec warmup 19 sec latency 5157.022 ms 1 484 0.00 MB/sec execute 1 sec latency 7157.790 ms 18:15:43 (1787868943) shut down facet: mds1 facet_host: oleg408-server facet_failover_host: oleg408-server 1 484 0.00 MB/sec execute 2 sec latency 8159.009 ms 1 484 0.00 MB/sec execute 3 sec latency 9159.221 ms 1 484 0.00 MB/sec execute 4 sec latency 10159.481 ms 1 484 0.00 MB/sec execute 5 sec latency 11159.698 ms 1 484 0.00 MB/sec execute 6 sec latency 12166.037 ms 1 484 0.00 MB/sec execute 7 sec latency 13166.294 ms 1 484 0.00 MB/sec execute 8 sec latency 14166.504 ms 1 484 0.00 MB/sec execute 9 sec latency 15166.727 ms 1 484 0.00 MB/sec execute 10 sec latency 16166.981 ms 1 484 0.00 MB/sec execute 11 sec latency 17167.302 ms Failover mds1 to oleg408-server 1 484 0.00 MB/sec execute 12 sec latency 18168.439 ms mount facets: mds1 1 484 0.00 MB/sec execute 13 sec latency 19168.770 ms 1 484 0.00 MB/sec execute 14 sec latency 20169.280 ms 1 484 0.00 MB/sec execute 15 sec latency 21176.716 ms 1 484 0.00 MB/sec execute 16 sec latency 22177.940 ms 1 484 0.00 MB/sec execute 17 sec latency 23178.080 ms 1 484 0.00 MB/sec execute 18 sec latency 24180.956 ms 1 484 0.00 MB/sec execute 19 sec latency 25181.202 ms 1 484 0.00 MB/sec execute 20 sec latency 26182.895 ms 1 484 0.00 MB/sec execute 21 sec latency 27183.498 ms 1 484 0.00 MB/sec execute 22 sec latency 28184.849 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 484 0.00 MB/sec execute 23 sec latency 29186.944 ms 1 484 0.00 MB/sec execute 24 sec latency 30187.195 ms 1 484 0.00 MB/sec execute 25 sec latency 31187.430 ms 1 484 0.00 MB/sec execute 26 sec latency 32187.954 ms 1 484 0.00 MB/sec execute 27 sec latency 33188.874 ms 1 484 0.00 MB/sec execute 28 sec latency 34189.399 ms 1 484 0.00 MB/sec execute 29 sec latency 35189.549 ms 1 484 0.00 MB/sec execute 30 sec latency 36194.636 ms 1 484 0.00 MB/sec execute 31 sec latency 37200.768 ms 1 484 0.00 MB/sec execute 32 sec latency 38201.539 ms 1 484 0.00 MB/sec execute 33 sec latency 39201.893 ms oleg408-server: oleg408-server.virtnet: executing set_default_debug -1 all 1 484 0.00 MB/sec execute 34 sec latency 40202.359 ms 1 484 0.00 MB/sec execute 35 sec latency 41202.751 ms pdsh@oleg408-client: oleg408-server: ssh exited with exit code 1 1 485 0.00 MB/sec execute 36 sec latency 42133.572 ms Started lustre-MDT0000 18:16:18 (1787868978) targets are mounted 18:16:18 (1787868978) facet_failover done 1 526 0.03 MB/sec execute 37 sec latency 126.536 ms 1 612 0.11 MB/sec execute 38 sec latency 69.306 ms 1 664 0.11 MB/sec execute 39 sec latency 119.489 ms 1 697 0.11 MB/sec execute 40 sec latency 131.427 ms 1 723 0.11 MB/sec execute 41 sec latency 170.598 ms 1 748 0.10 MB/sec execute 42 sec latency 131.053 ms 1 779 0.10 MB/sec execute 43 sec latency 126.780 ms oleg408-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 808 0.10 MB/sec execute 44 sec latency 132.832 ms 1 851 0.10 MB/sec execute 45 sec latency 123.332 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 874 0.10 MB/sec execute 46 sec latency 175.876 ms 1 884 0.10 MB/sec execute 47 sec latency 688.208 ms 1 888 0.10 MB/sec execute 48 sec latency 1385.092 ms 1 914 0.10 MB/sec execute 49 sec latency 144.739 ms 1 949 0.10 MB/sec execute 50 sec latency 138.681 ms 1 985 0.10 MB/sec execute 51 sec latency 110.487 ms 1 1041 0.11 MB/sec execute 52 sec latency 93.633 ms 1 1084 0.11 MB/sec execute 53 sec latency 107.275 ms 1 1147 0.11 MB/sec execute 54 sec latency 85.206 ms 1 1193 0.11 MB/sec execute 55 sec latency 102.417 ms 1 1233 0.11 MB/sec execute 56 sec latency 93.975 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1276 0.11 MB/sec execute 57 sec latency 126.308 ms 1 1403 0.16 MB/sec execute 58 sec latency 74.002 ms 1 1457 0.15 MB/sec execute 59 sec latency 111.296 ms 1 1492 0.15 MB/sec execute 60 sec latency 330.212 ms 1 1537 0.15 MB/sec execute 61 sec latency 97.819 ms 1 1576 0.15 MB/sec execute 62 sec latency 72.791 ms 1 1610 0.15 MB/sec execute 63 sec latency 95.645 ms 1 1651 0.14 MB/sec execute 64 sec latency 135.513 ms 1 1689 0.14 MB/sec execute 65 sec latency 147.859 ms 1 1762 0.14 MB/sec execute 66 sec latency 89.280 ms 1 1816 0.14 MB/sec execute 67 sec latency 120.867 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 18:16:49 EDT 2026 with return code 0 67871 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67871 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished