== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:14:33 (1787498073) Starting client oleg113-client.virtnet: -o user_xattr,flock 192.168.201.113@tcp:/lustre /mnt/lustre Started clients oleg113-client.virtnet: 192.168.201.113@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 65649 Started dbench loop with 65650 striped dir -i0 -c2 -H all_char /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 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584772 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190248 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 Sun Aug 23 11:14:39 EDT 2026 waiting for dbench pid 65725 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 81.185 ms 1 58 1.17 MB/sec warmup 2 sec latency 177.906 ms 1 111 1.74 MB/sec warmup 3 sec latency 206.450 ms 1 137 1.50 MB/sec warmup 4 sec latency 240.565 ms 1 165 1.36 MB/sec warmup 5 sec latency 200.097 ms 1 184 1.23 MB/sec warmup 6 sec latency 398.284 ms 1 215 1.19 MB/sec warmup 7 sec latency 517.427 ms 1 252 1.19 MB/sec warmup 8 sec latency 123.901 ms 1 293 1.19 MB/sec warmup 9 sec latency 130.849 ms test_26 fail mds1 1 times 1 331 1.20 MB/sec warmup 10 sec latency 154.744 ms Failing mds1 on oleg113-server 1 360 1.16 MB/sec warmup 11 sec latency 151.571 ms 1 405 1.19 MB/sec warmup 12 sec latency 115.710 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 437 1.18 MB/sec warmup 13 sec latency 188.874 ms 1 469 1.17 MB/sec warmup 14 sec latency 255.429 ms 1 501 1.16 MB/sec warmup 15 sec latency 143.005 ms 1 501 1.09 MB/sec warmup 16 sec latency 1131.042 ms 11:14:56 (1787498096) shut down facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 501 1.03 MB/sec warmup 17 sec latency 2131.303 ms 1 501 0.97 MB/sec warmup 18 sec latency 3131.785 ms 1 501 0.92 MB/sec warmup 19 sec latency 4132.634 ms 1 501 0.00 MB/sec execute 1 sec latency 6133.049 ms 1 501 0.00 MB/sec execute 2 sec latency 7133.263 ms 1 501 0.00 MB/sec execute 3 sec latency 8133.740 ms 1 501 0.00 MB/sec execute 4 sec latency 9134.058 ms 1 501 0.00 MB/sec execute 5 sec latency 10134.478 ms 1 501 0.00 MB/sec execute 6 sec latency 11134.664 ms 1 501 0.00 MB/sec execute 7 sec latency 12137.579 ms Failover mds1 to oleg113-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 13138.075 ms 1 501 0.00 MB/sec execute 9 sec latency 14138.777 ms 1 501 0.00 MB/sec execute 10 sec latency 15141.236 ms 1 501 0.00 MB/sec execute 11 sec latency 16143.006 ms 1 501 0.00 MB/sec execute 12 sec latency 17143.231 ms 1 501 0.00 MB/sec execute 13 sec latency 18143.450 ms 1 501 0.00 MB/sec execute 14 sec latency 19144.046 ms 1 501 0.00 MB/sec execute 15 sec latency 20144.354 ms 1 501 0.00 MB/sec execute 16 sec latency 21144.749 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 22145.374 ms 1 501 0.00 MB/sec execute 18 sec latency 23146.366 ms 1 501 0.00 MB/sec execute 19 sec latency 24147.451 ms 1 501 0.00 MB/sec execute 20 sec latency 25148.791 ms 1 501 0.00 MB/sec execute 21 sec latency 26149.624 ms 1 501 0.00 MB/sec execute 22 sec latency 27155.570 ms 1 501 0.00 MB/sec execute 23 sec latency 28156.851 ms 1 501 0.00 MB/sec execute 24 sec latency 29157.104 ms 1 501 0.00 MB/sec execute 25 sec latency 30157.725 ms 1 501 0.00 MB/sec execute 26 sec latency 31159.382 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 27 sec latency 32165.645 ms 1 501 0.00 MB/sec execute 28 sec latency 33165.941 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 29 sec latency 34167.586 ms Started lustre-MDT0000 11:15:28 (1787498128) targets are mounted 11:15:29 (1787498129) facet_failover done 1 522 0.02 MB/sec execute 30 sec latency 34454.826 ms 1 552 0.05 MB/sec execute 31 sec latency 372.301 ms 1 583 0.08 MB/sec execute 32 sec latency 1008.136 ms 1 636 0.11 MB/sec execute 33 sec latency 158.453 ms 1 666 0.11 MB/sec execute 34 sec latency 151.466 ms 1 700 0.11 MB/sec execute 35 sec latency 154.517 ms 1 731 0.11 MB/sec execute 36 sec latency 141.010 ms 1 765 0.11 MB/sec execute 37 sec latency 137.829 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.10 MB/sec execute 38 sec latency 157.463 ms 1 808 0.10 MB/sec execute 39 sec latency 163.706 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 851 0.10 MB/sec execute 40 sec latency 160.901 ms 1 878 0.10 MB/sec execute 41 sec latency 142.674 ms 1 902 0.10 MB/sec execute 42 sec latency 150.961 ms 1 923 0.10 MB/sec execute 43 sec latency 171.986 ms 1 957 0.10 MB/sec execute 44 sec latency 130.142 ms 1 985 0.10 MB/sec execute 45 sec latency 108.536 ms 1 1051 0.12 MB/sec execute 46 sec latency 104.033 ms 1 1103 0.12 MB/sec execute 47 sec latency 90.276 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1900 1269404 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34432 3569196 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20804 3585000 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55236 7154196 1% /mnt/lustre 1 1139 0.11 MB/sec execute 48 sec latency 121.334 ms 1 1172 0.11 MB/sec execute 49 sec latency 178.831 ms 1 1172 0.11 MB/sec execute 50 sec latency 1098.773 ms 1 1193 0.11 MB/sec execute 51 sec latency 1297.412 ms 1 1225 0.11 MB/sec execute 52 sec latency 125.664 ms 1 1259 0.11 MB/sec execute 53 sec latency 149.234 ms 1 1278 0.10 MB/sec execute 54 sec latency 161.888 ms 1 1399 0.16 MB/sec execute 55 sec latency 113.434 ms 1 1433 0.15 MB/sec execute 56 sec latency 94.764 ms 1 1473 0.15 MB/sec execute 57 sec latency 93.553 ms 1 1505 0.15 MB/sec execute 58 sec latency 134.296 ms 1 1543 0.15 MB/sec execute 59 sec latency 142.175 ms test_26 fail mds2 2 times 1 1588 0.14 MB/sec execute 60 sec latency 112.565 ms 1 1616 0.14 MB/sec execute 61 sec latency 133.780 ms Failing mds2 on oleg113-server 1 1646 0.14 MB/sec execute 62 sec latency 172.171 ms Stopping /mnt/lustre-mds2 (opts:) on oleg113-server 1 1681 0.14 MB/sec execute 63 sec latency 120.382 ms 1 1700 0.14 MB/sec execute 64 sec latency 234.405 ms 1 1700 0.13 MB/sec execute 65 sec latency 1234.623 ms 1 1700 0.13 MB/sec execute 66 sec latency 2235.216 ms 11:16:05 (1787498165) shut down facet: mds2 facet_host: oleg113-server facet_failover_host: oleg113-server 1 1700 0.13 MB/sec execute 67 sec latency 3236.720 ms 1 1700 0.13 MB/sec execute 68 sec latency 4237.330 ms 1 1700 0.13 MB/sec execute 69 sec latency 5237.544 ms 1 1700 0.12 MB/sec execute 70 sec latency 6237.764 ms 1 1700 0.12 MB/sec execute 71 sec latency 7240.222 ms 1 1700 0.12 MB/sec execute 72 sec latency 8240.452 ms 1 1700 0.12 MB/sec execute 73 sec latency 9240.610 ms 1 1700 0.12 MB/sec execute 74 sec latency 10240.904 ms 1 1700 0.12 MB/sec execute 75 sec latency 11241.256 ms 1 1700 0.12 MB/sec execute 76 sec latency 12241.470 ms Failover mds2 to oleg113-server mount facets: mds2 1 1700 0.11 MB/sec execute 77 sec latency 13241.672 ms 1 1700 0.11 MB/sec execute 78 sec latency 14243.399 ms 1 1700 0.11 MB/sec execute 79 sec latency 15243.804 ms 1 1700 0.11 MB/sec execute 80 sec latency 16243.970 ms 1 1700 0.11 MB/sec execute 81 sec latency 17244.184 ms 1 1700 0.11 MB/sec execute 82 sec latency 18244.416 ms 1 1700 0.11 MB/sec execute 83 sec latency 19244.797 ms 1 1700 0.10 MB/sec execute 84 sec latency 20245.236 ms 1 1700 0.10 MB/sec execute 85 sec latency 21247.206 ms 1 1700 0.10 MB/sec execute 86 sec latency 22247.545 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1700 0.10 MB/sec execute 87 sec latency 23247.829 ms 1 1700 0.10 MB/sec execute 88 sec latency 24248.300 ms 1 1700 0.10 MB/sec execute 89 sec latency 25248.576 ms 1 1700 0.10 MB/sec execute 90 sec latency 26253.983 ms 1 1700 0.10 MB/sec execute 91 sec latency 27255.037 ms 1 1700 0.10 MB/sec execute 92 sec latency 28255.906 ms 1 1700 0.09 MB/sec execute 93 sec latency 29257.296 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 1700 0.09 MB/sec execute 94 sec latency 30257.545 ms 1 1700 0.09 MB/sec execute 95 sec latency 31258.982 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 1700 0.09 MB/sec execute 96 sec latency 32259.962 ms Started lustre-MDT0001 11:16:35 (1787498195) targets are mounted 11:16:35 (1787498195) facet_failover done 1 1700 0.09 MB/sec execute 97 sec latency 33263.824 ms 1 1744 0.09 MB/sec execute 98 sec latency 33395.025 ms 1 1789 0.09 MB/sec execute 99 sec latency 112.808 ms 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 233 219.962 34454.804 Close 190 17.894 51.372 Rename 11 117.570 178.803 Unlink 24 29.785 60.851 Qpathinfo 180 207.448 33394.995 Qfileinfo 53 2.819 16.438 Qfsinfo 33 5.067 22.707 Sfileinfo 34 80.169 161.865 Find 66 18.368 85.730 WriteX 187 16.244 80.301 ReadX 285 0.206 14.451 Flush 27 60.301 117.272 Throughput 0.0891623 MB/sec 1 clients 1 procs max_latency=34454.826 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 stopping dbench on /mnt/lustre at Sun Aug 23 11:16:43 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush2 /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 Sun Aug 23 11:16:54 EDT 2026 waiting for dbench pid 67863 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2296 1269008 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 23068 3578304 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20056 3586508 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43124 7164812 1% /mnt/lustre 0 8 0.00 MB/sec warmup 1 sec latency 84.154 ms 1 54 1.04 MB/sec warmup 2 sec latency 144.179 ms 1 97 1.45 MB/sec warmup 3 sec latency 145.092 ms 1 130 1.43 MB/sec warmup 4 sec latency 211.524 ms 1 153 1.29 MB/sec warmup 5 sec latency 253.415 ms 1 181 1.21 MB/sec warmup 6 sec latency 164.605 ms 1 197 1.12 MB/sec warmup 7 sec latency 318.430 ms 1 202 0.98 MB/sec warmup 8 sec latency 898.365 ms 1 239 1.01 MB/sec warmup 9 sec latency 130.188 ms 1 290 1.07 MB/sec warmup 10 sec latency 167.108 ms test_26 fail mds1 3 times 1 320 1.05 MB/sec warmup 11 sec latency 143.529 ms 1 349 1.04 MB/sec warmup 12 sec latency 149.717 ms 1 374 1.02 MB/sec warmup 13 sec latency 171.640 ms Failing mds1 on oleg113-server 1 413 1.04 MB/sec warmup 14 sec latency 133.507 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 453 1.06 MB/sec warmup 15 sec latency 146.540 ms 1 476 1.04 MB/sec warmup 16 sec latency 597.739 ms 1 476 0.98 MB/sec warmup 17 sec latency 1600.036 ms 1 476 0.92 MB/sec warmup 18 sec latency 2600.299 ms 1 476 0.88 MB/sec warmup 19 sec latency 3600.649 ms 1 476 0.00 MB/sec execute 1 sec latency 5601.722 ms 1 476 0.00 MB/sec execute 2 sec latency 6601.940 ms 1 476 0.00 MB/sec execute 3 sec latency 7603.063 ms 11:17:18 (1787498238) shut down facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 476 0.00 MB/sec execute 4 sec latency 8603.332 ms 1 476 0.00 MB/sec execute 5 sec latency 9606.465 ms 1 476 0.00 MB/sec execute 6 sec latency 10606.809 ms 1 476 0.00 MB/sec execute 7 sec latency 11607.125 ms 1 476 0.00 MB/sec execute 8 sec latency 12608.096 ms 1 476 0.00 MB/sec execute 9 sec latency 13608.729 ms 1 476 0.00 MB/sec execute 10 sec latency 14610.319 ms 1 476 0.00 MB/sec execute 11 sec latency 15610.677 ms 1 476 0.00 MB/sec execute 12 sec latency 16611.028 ms 1 476 0.00 MB/sec execute 13 sec latency 17616.723 ms 1 476 0.00 MB/sec execute 14 sec latency 18625.607 ms Failover mds1 to oleg113-server mount facets: mds1 1 476 0.00 MB/sec execute 15 sec latency 19625.932 ms 1 476 0.00 MB/sec execute 16 sec latency 20626.254 ms 1 476 0.00 MB/sec execute 17 sec latency 21626.536 ms 1 476 0.00 MB/sec execute 18 sec latency 22626.755 ms 1 476 0.00 MB/sec execute 19 sec latency 23629.419 ms 1 476 0.00 MB/sec execute 20 sec latency 24630.560 ms 1 476 0.00 MB/sec execute 21 sec latency 25637.577 ms 1 476 0.00 MB/sec execute 22 sec latency 26649.726 ms 1 476 0.00 MB/sec execute 23 sec latency 27652.539 ms 1 476 0.00 MB/sec execute 24 sec latency 28652.982 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 476 0.00 MB/sec execute 25 sec latency 29653.613 ms 1 476 0.00 MB/sec execute 26 sec latency 30654.042 ms 1 476 0.00 MB/sec execute 27 sec latency 31656.438 ms 1 476 0.00 MB/sec execute 28 sec latency 32658.677 ms 1 476 0.00 MB/sec execute 29 sec latency 33659.832 ms 1 476 0.00 MB/sec execute 30 sec latency 34660.342 ms 1 476 0.00 MB/sec execute 31 sec latency 35661.153 ms 1 476 0.00 MB/sec execute 32 sec latency 36663.153 ms 1 476 0.00 MB/sec execute 33 sec latency 37665.316 ms 1 476 0.00 MB/sec execute 34 sec latency 38665.650 ms 1 476 0.00 MB/sec execute 35 sec latency 39665.848 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 36 sec latency 40666.726 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 37 sec latency 41667.696 ms Started lustre-MDT0000 11:17:52 (1787498272) targets are mounted 11:17:52 (1787498272) facet_failover done 1 476 0.00 MB/sec execute 38 sec latency 42668.823 ms 1 493 0.01 MB/sec execute 39 sec latency 43091.183 ms 1 518 0.03 MB/sec execute 40 sec latency 163.506 ms 1 581 0.07 MB/sec execute 41 sec latency 173.380 ms 1 641 0.10 MB/sec execute 42 sec latency 120.704 ms 1 687 0.10 MB/sec execute 43 sec latency 140.272 ms 1 711 0.10 MB/sec execute 44 sec latency 138.518 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 743 0.10 MB/sec execute 45 sec latency 162.749 ms 1 778 0.10 MB/sec execute 46 sec latency 126.840 ms 1 804 0.10 MB/sec execute 47 sec latency 161.802 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 849 0.10 MB/sec execute 48 sec latency 108.814 ms 1 874 0.10 MB/sec execute 49 sec latency 122.692 ms 1 884 0.10 MB/sec execute 50 sec latency 651.831 ms 1 888 0.10 MB/sec execute 51 sec latency 1250.591 ms 1 914 0.10 MB/sec execute 52 sec latency 180.745 ms 1 952 0.10 MB/sec execute 53 sec latency 92.408 ms 1 987 0.10 MB/sec execute 54 sec latency 108.242 ms 1 1054 0.11 MB/sec execute 55 sec latency 99.571 ms 1 1116 0.11 MB/sec execute 56 sec latency 67.200 ms 1 1157 0.11 MB/sec execute 57 sec latency 100.003 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1214 0.11 MB/sec execute 58 sec latency 70.891 ms 1 1263 0.11 MB/sec execute 59 sec latency 86.038 ms 1 1387 0.15 MB/sec execute 60 sec latency 86.544 ms 1 1421 0.15 MB/sec execute 61 sec latency 169.900 ms 1 1467 0.15 MB/sec execute 62 sec latency 111.034 ms 1 1497 0.15 MB/sec execute 63 sec latency 272.506 ms 1 1538 0.15 MB/sec execute 64 sec latency 110.779 ms 1 1576 0.15 MB/sec execute 65 sec latency 78.582 ms 1 1613 0.14 MB/sec execute 66 sec latency 137.820 ms 1 1655 0.14 MB/sec execute 67 sec latency 88.056 ms 1 1696 0.14 MB/sec execute 68 sec latency 123.098 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Aug 23 11:18:23 EDT 2026 with return code 0 67863 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67863 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished