== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:47:07 (1786078027) Starting client oleg335-client.virtnet: -o user_xattr,flock 192.168.203.135@tcp:/lustre /mnt/lustre Started clients oleg335-client.virtnet: 192.168.203.135@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 65650 Started dbench loop with 65651 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 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3597188 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202664 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 Fri Aug 7 00:47:14 EDT 2026 waiting for dbench pid 65738 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 5 0.00 MB/sec warmup 1 sec latency 88.808 ms 1 31 0.52 MB/sec warmup 2 sec latency 112.971 ms 1 56 0.74 MB/sec warmup 3 sec latency 230.471 ms 1 86 0.98 MB/sec warmup 4 sec latency 197.435 ms 1 121 1.09 MB/sec warmup 5 sec latency 218.724 ms 1 129 0.96 MB/sec warmup 6 sec latency 604.013 ms 1 147 0.89 MB/sec warmup 7 sec latency 737.546 ms 1 174 0.88 MB/sec warmup 8 sec latency 202.442 ms 1 186 0.82 MB/sec warmup 9 sec latency 690.536 ms test_26 fail mds1 1 times 1 207 0.81 MB/sec warmup 10 sec latency 264.247 ms 1 223 0.78 MB/sec warmup 11 sec latency 607.656 ms 1 239 0.76 MB/sec warmup 12 sec latency 338.465 ms Failing mds1 on oleg335-server 1 255 0.74 MB/sec warmup 13 sec latency 263.746 ms Stopping /mnt/lustre-mds1 (opts:) on oleg335-server 1 287 0.76 MB/sec warmup 14 sec latency 415.439 ms 1 305 0.74 MB/sec warmup 15 sec latency 351.036 ms 1 324 0.73 MB/sec warmup 16 sec latency 386.222 ms 1 339 0.72 MB/sec warmup 17 sec latency 722.303 ms 00:47:32 (1786078052) shut down facet: mds1 facet_host: oleg335-server facet_failover_host: oleg335-server 1 339 0.68 MB/sec warmup 18 sec latency 1722.481 ms 1 339 0.64 MB/sec warmup 19 sec latency 2723.023 ms 1 339 0.00 MB/sec execute 1 sec latency 4728.961 ms 1 339 0.00 MB/sec execute 2 sec latency 5741.386 ms 1 339 0.00 MB/sec execute 3 sec latency 6741.581 ms 1 339 0.00 MB/sec execute 4 sec latency 7742.448 ms 1 339 0.00 MB/sec execute 5 sec latency 8742.636 ms 1 339 0.00 MB/sec execute 6 sec latency 9742.871 ms 1 339 0.00 MB/sec execute 7 sec latency 10743.048 ms 1 339 0.00 MB/sec execute 8 sec latency 11743.868 ms Failover mds1 to oleg335-server mount facets: mds1 1 339 0.00 MB/sec execute 9 sec latency 12744.026 ms 1 339 0.00 MB/sec execute 10 sec latency 13745.111 ms 1 339 0.00 MB/sec execute 11 sec latency 14791.831 ms 1 339 0.00 MB/sec execute 12 sec latency 15792.534 ms 1 339 0.00 MB/sec execute 13 sec latency 16799.709 ms 1 339 0.00 MB/sec execute 14 sec latency 17799.857 ms 1 339 0.00 MB/sec execute 15 sec latency 18800.066 ms 1 339 0.00 MB/sec execute 16 sec latency 19800.401 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 20800.649 ms 1 339 0.00 MB/sec execute 18 sec latency 21800.870 ms 1 339 0.00 MB/sec execute 19 sec latency 22802.509 ms 1 339 0.00 MB/sec execute 20 sec latency 23873.526 ms 1 339 0.00 MB/sec execute 21 sec latency 24873.715 ms 1 339 0.00 MB/sec execute 22 sec latency 25874.003 ms 1 339 0.00 MB/sec execute 23 sec latency 26874.425 ms 1 339 0.00 MB/sec execute 24 sec latency 27874.632 ms 1 339 0.00 MB/sec execute 25 sec latency 28874.768 ms 1 339 0.00 MB/sec execute 26 sec latency 29875.198 ms 1 339 0.00 MB/sec execute 27 sec latency 30875.362 ms 1 339 0.00 MB/sec execute 28 sec latency 31875.554 ms 1 339 0.00 MB/sec execute 29 sec latency 32876.119 ms oleg335-server: oleg335-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 30 sec latency 33880.096 ms 1 339 0.00 MB/sec execute 31 sec latency 34902.569 ms pdsh@oleg335-client: oleg335-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 32 sec latency 35902.914 ms Started lustre-MDT0000 00:48:08 (1786078088) targets are mounted 00:48:08 (1786078088) facet_failover done 1 339 0.00 MB/sec execute 33 sec latency 36903.635 ms 1 349 0.01 MB/sec execute 34 sec latency 37721.302 ms 1 372 0.03 MB/sec execute 35 sec latency 334.793 ms 1 397 0.05 MB/sec execute 36 sec latency 134.542 ms 1 418 0.07 MB/sec execute 37 sec latency 289.998 ms 1 445 0.09 MB/sec execute 38 sec latency 229.405 ms 1 477 0.11 MB/sec execute 39 sec latency 244.396 ms 1 501 0.13 MB/sec execute 40 sec latency 297.823 ms oleg335-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 522 0.14 MB/sec execute 41 sec latency 250.629 ms 1 566 0.16 MB/sec execute 42 sec latency 259.836 ms 1 606 0.20 MB/sec execute 43 sec latency 153.336 ms 1 640 0.20 MB/sec execute 44 sec latency 232.501 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.20 MB/sec execute 45 sec latency 148.345 ms 1 687 0.19 MB/sec execute 46 sec latency 183.734 ms 1 700 0.19 MB/sec execute 47 sec latency 247.966 ms 1 738 0.19 MB/sec execute 48 sec latency 91.385 ms 1 765 0.18 MB/sec execute 49 sec latency 363.332 ms 1 795 0.18 MB/sec execute 50 sec latency 162.426 ms 1 848 0.18 MB/sec execute 51 sec latency 103.645 ms 1 878 0.18 MB/sec execute 52 sec latency 150.227 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2036 1269268 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33768 3569120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 7992 3593828 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 41760 7162948 1% /mnt/lustre 1 904 0.18 MB/sec execute 53 sec latency 196.394 ms 1 923 0.17 MB/sec execute 54 sec latency 164.973 ms 1 959 0.17 MB/sec execute 55 sec latency 142.376 ms 1 977 0.17 MB/sec execute 56 sec latency 245.320 ms 1 993 0.17 MB/sec execute 57 sec latency 213.503 ms 1 1035 0.18 MB/sec execute 58 sec latency 686.276 ms 1 1047 0.18 MB/sec execute 59 sec latency 980.765 ms 1 1076 0.18 MB/sec execute 60 sec latency 194.880 ms 1 1126 0.17 MB/sec execute 61 sec latency 95.440 ms test_26 fail mds2 2 times 1 1156 0.17 MB/sec execute 62 sec latency 158.050 ms 1 1180 0.17 MB/sec execute 63 sec latency 164.866 ms 1 1192 0.17 MB/sec execute 64 sec latency 252.156 ms Failing mds2 on oleg335-server 1 1211 0.16 MB/sec execute 65 sec latency 242.035 ms Stopping /mnt/lustre-mds2 (opts:) on oleg335-server 1 1242 0.16 MB/sec execute 66 sec latency 180.297 ms 1 1274 0.16 MB/sec execute 67 sec latency 232.625 ms 1 1278 0.16 MB/sec execute 68 sec latency 848.969 ms 1 1278 0.16 MB/sec execute 69 sec latency 1849.321 ms 1 1278 0.15 MB/sec execute 70 sec latency 2849.447 ms 1 1278 0.15 MB/sec execute 71 sec latency 3853.832 ms 00:48:46 (1786078126) shut down facet: mds2 facet_host: oleg335-server facet_failover_host: oleg335-server 1 1278 0.15 MB/sec execute 72 sec latency 4855.837 ms 1 1278 0.15 MB/sec execute 73 sec latency 5856.428 ms 1 1278 0.15 MB/sec execute 74 sec latency 6909.246 ms 1 1278 0.14 MB/sec execute 75 sec latency 7909.439 ms 1 1278 0.14 MB/sec execute 76 sec latency 8909.637 ms 1 1278 0.14 MB/sec execute 77 sec latency 9909.938 ms 1 1278 0.14 MB/sec execute 78 sec latency 10910.159 ms 1 1278 0.14 MB/sec execute 79 sec latency 11910.675 ms 1 1278 0.14 MB/sec execute 80 sec latency 12910.858 ms 1 1278 0.13 MB/sec execute 81 sec latency 13911.027 ms Failover mds2 to oleg335-server mount facets: mds2 1 1278 0.13 MB/sec execute 82 sec latency 14911.262 ms 1 1278 0.13 MB/sec execute 83 sec latency 15927.997 ms 1 1278 0.13 MB/sec execute 84 sec latency 16928.180 ms 1 1278 0.13 MB/sec execute 85 sec latency 17928.482 ms 1 1278 0.13 MB/sec execute 86 sec latency 18933.142 ms 1 1278 0.12 MB/sec execute 87 sec latency 19934.282 ms 1 1278 0.12 MB/sec execute 88 sec latency 20934.813 ms 1 1278 0.12 MB/sec execute 90 sec latency 21935.004 ms 1 1278 0.12 MB/sec execute 91 sec latency 22935.334 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1278 0.12 MB/sec execute 92 sec latency 23935.504 ms 1 1278 0.12 MB/sec execute 93 sec latency 24935.690 ms 1 1278 0.12 MB/sec execute 94 sec latency 25935.925 ms 1 1278 0.12 MB/sec execute 95 sec latency 26936.098 ms 1 1278 0.11 MB/sec execute 96 sec latency 27936.891 ms 1 1278 0.11 MB/sec execute 97 sec latency 28938.396 ms oleg335-server: oleg335-server.virtnet: executing set_default_debug -1 all 1 1278 0.11 MB/sec execute 98 sec latency 29938.747 ms pdsh@oleg335-client: oleg335-server: ssh exited with exit code 1 1 1278 0.11 MB/sec execute 99 sec latency 30939.605 ms 1 1318 0.12 MB/sec execute 100 sec latency 31662.822 ms Started lustre-MDT0001 00:49:14 (1786078154) targets are mounted 00:49:14 (1786078154) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 149 355.868 37721.288 Close 131 17.636 112.429 Rename 10 120.706 245.298 Unlink 17 37.057 130.301 Qpathinfo 99 31.738 252.433 Qfileinfo 56 3.486 18.806 Qfsinfo 33 5.007 35.954 Sfileinfo 34 76.482 220.156 Find 48 675.611 31662.798 WriteX 256 19.487 161.087 ReadX 224 3.972 188.412 Flush 24 57.052 213.488 Throughput 0.119241 MB/sec 1 clients 1 procs max_latency=37721.302 ms stopping dbench on /mnt/lustre at Fri Aug 7 00:49:19 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg335-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Aug 7 00:49:29 EDT 2026 waiting for dbench pid 67861 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 16 0.13 MB/sec warmup 1 sec latency 4.016 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2296 1269008 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2200 1269104 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26448 3579408 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12576 3590124 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 39024 7169532 1% /mnt/lustre 1 70 1.50 MB/sec warmup 2 sec latency 141.114 ms 1 98 1.44 MB/sec warmup 3 sec latency 225.548 ms 1 113 1.28 MB/sec warmup 4 sec latency 405.410 ms 1 130 1.13 MB/sec warmup 5 sec latency 450.250 ms 1 155 1.07 MB/sec warmup 6 sec latency 321.741 ms 1 182 1.03 MB/sec warmup 7 sec latency 233.726 ms 1 197 0.97 MB/sec warmup 8 sec latency 420.252 ms 1 197 0.86 MB/sec warmup 9 sec latency 1119.125 ms 1 216 0.83 MB/sec warmup 10 sec latency 1409.419 ms 1 252 0.86 MB/sec warmup 11 sec latency 200.617 ms 1 290 0.88 MB/sec warmup 12 sec latency 159.993 ms test_26 fail mds1 3 times 1 314 0.88 MB/sec warmup 13 sec latency 186.980 ms 1 326 0.83 MB/sec warmup 14 sec latency 462.989 ms Failing mds1 on oleg335-server 1 349 0.83 MB/sec warmup 15 sec latency 239.883 ms Stopping /mnt/lustre-mds1 (opts:) on oleg335-server 1 380 0.84 MB/sec warmup 16 sec latency 189.822 ms 1 414 0.85 MB/sec warmup 17 sec latency 197.428 ms 1 468 0.90 MB/sec warmup 18 sec latency 156.192 ms 1 501 0.91 MB/sec warmup 19 sec latency 543.381 ms 1 501 0.00 MB/sec execute 1 sec latency 2543.748 ms 1 501 0.00 MB/sec execute 2 sec latency 3544.456 ms 1 501 0.00 MB/sec execute 3 sec latency 4544.703 ms 1 501 0.00 MB/sec execute 4 sec latency 5544.892 ms 00:49:55 (1786078195) shut down facet: mds1 facet_host: oleg335-server facet_failover_host: oleg335-server 1 501 0.00 MB/sec execute 5 sec latency 6546.090 ms 1 501 0.00 MB/sec execute 6 sec latency 7546.381 ms 1 501 0.00 MB/sec execute 7 sec latency 8546.561 ms 1 501 0.00 MB/sec execute 8 sec latency 9549.660 ms 1 501 0.00 MB/sec execute 9 sec latency 10549.894 ms 1 501 0.00 MB/sec execute 10 sec latency 11550.552 ms 1 501 0.00 MB/sec execute 11 sec latency 12556.264 ms 1 501 0.00 MB/sec execute 12 sec latency 13556.477 ms 1 501 0.00 MB/sec execute 13 sec latency 14558.885 ms 1 501 0.00 MB/sec execute 14 sec latency 15559.080 ms 1 501 0.00 MB/sec execute 15 sec latency 16559.203 ms Failover mds1 to oleg335-server mount facets: mds1 1 501 0.00 MB/sec execute 16 sec latency 17560.245 ms 1 501 0.00 MB/sec execute 17 sec latency 18560.407 ms 1 501 0.00 MB/sec execute 18 sec latency 19560.670 ms 1 501 0.00 MB/sec execute 19 sec latency 20560.920 ms 1 501 0.00 MB/sec execute 20 sec latency 21561.104 ms 1 501 0.00 MB/sec execute 21 sec latency 22561.378 ms 1 501 0.00 MB/sec execute 22 sec latency 23561.564 ms 1 501 0.00 MB/sec execute 23 sec latency 24561.755 ms 1 501 0.00 MB/sec execute 24 sec latency 25562.504 ms 1 501 0.00 MB/sec execute 25 sec latency 26565.226 ms 1 501 0.00 MB/sec execute 26 sec latency 27565.401 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 27 sec latency 28565.586 ms 1 501 0.00 MB/sec execute 28 sec latency 29599.484 ms 1 501 0.00 MB/sec execute 29 sec latency 30599.716 ms 1 501 0.00 MB/sec execute 30 sec latency 31599.898 ms 1 501 0.00 MB/sec execute 31 sec latency 32624.438 ms 1 501 0.00 MB/sec execute 32 sec latency 33629.949 ms 1 501 0.00 MB/sec execute 33 sec latency 34630.910 ms 1 501 0.00 MB/sec execute 34 sec latency 35631.059 ms 1 501 0.00 MB/sec execute 35 sec latency 36631.378 ms oleg335-server: oleg335-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 36 sec latency 37631.528 ms pdsh@oleg335-client: oleg335-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 37 sec latency 38634.914 ms Started lustre-MDT0000 00:50:27 (1786078227) targets are mounted 00:50:27 (1786078227) facet_failover done 1 506 0.00 MB/sec execute 38 sec latency 39530.999 ms 1 576 0.05 MB/sec execute 39 sec latency 166.682 ms 1 644 0.09 MB/sec execute 40 sec latency 103.758 ms 1 674 0.09 MB/sec execute 41 sec latency 195.007 ms 1 705 0.09 MB/sec execute 42 sec latency 211.727 ms 1 727 0.09 MB/sec execute 43 sec latency 297.452 ms 1 758 0.09 MB/sec execute 44 sec latency 139.096 ms oleg335-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.09 MB/sec execute 45 sec latency 167.179 ms 1 808 0.09 MB/sec execute 46 sec latency 189.605 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 851 0.09 MB/sec execute 47 sec latency 169.061 ms 1 874 0.09 MB/sec execute 48 sec latency 195.516 ms 1 884 0.09 MB/sec execute 49 sec latency 675.857 ms 1 903 0.08 MB/sec execute 50 sec latency 797.535 ms 1 923 0.08 MB/sec execute 51 sec latency 155.375 ms 1 969 0.08 MB/sec execute 52 sec latency 150.975 ms 1 998 0.08 MB/sec execute 53 sec latency 159.889 ms 1 1074 0.10 MB/sec execute 54 sec latency 89.424 ms 1 1127 0.10 MB/sec execute 55 sec latency 109.066 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1172 0.10 MB/sec execute 56 sec latency 142.321 ms 1 1214 0.10 MB/sec execute 57 sec latency 88.098 ms 1 1236 0.10 MB/sec execute 58 sec latency 161.482 ms 1 1252 0.09 MB/sec execute 60 sec latency 697.836 ms 1 1285 0.09 MB/sec execute 61 sec latency 713.792 ms 1 1405 0.14 MB/sec execute 62 sec latency 138.422 ms 1 1451 0.14 MB/sec execute 63 sec latency 91.484 ms 1 1485 0.13 MB/sec execute 64 sec latency 294.363 ms 1 1516 0.13 MB/sec execute 65 sec latency 155.520 ms 1 1560 0.13 MB/sec execute 66 sec latency 174.554 ms 1 1609 0.13 MB/sec execute 67 sec latency 125.148 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 7 00:50:57 EDT 2026 with return code 0 1 1651 0.13 MB/sec execute 68 sec latency 117.630 ms 67861 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67861 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished