== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:41:33 (1786758093) Starting client oleg453-client.virtnet: -o user_xattr,flock 192.168.204.153@tcp:/lustre /mnt/lustre Started clients oleg453-client.virtnet: 192.168.204.153@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 45291 Started dbench loop with 45292 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3747840 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7513088 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 14 21:41:40 EDT 2026 waiting for dbench pid 45361 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 1 27 0.85 MB/sec warmup 1 sec latency 32.041 ms 1 60 1.24 MB/sec warmup 2 sec latency 190.664 ms 1 103 1.59 MB/sec warmup 3 sec latency 116.904 ms 1 138 1.50 MB/sec warmup 4 sec latency 157.814 ms test_26 fail mds1 1 times 1 166 1.36 MB/sec warmup 5 sec latency 153.884 ms 1 193 1.27 MB/sec warmup 6 sec latency 172.635 ms 1 213 1.18 MB/sec warmup 7 sec latency 262.069 ms Failing mds1 on oleg453-server 1 247 1.17 MB/sec warmup 8 sec latency 214.973 ms Stopping /mnt/lustre-mds1 (opts:) on oleg453-server 1 271 1.13 MB/sec warmup 9 sec latency 206.863 ms 1 296 1.09 MB/sec warmup 10 sec latency 275.321 ms 1 296 0.99 MB/sec warmup 11 sec latency 1146.598 ms 1 296 0.91 MB/sec warmup 12 sec latency 2147.847 ms 21:41:53 (1786758113) shut down facet: mds1 facet_host: oleg453-server facet_failover_host: oleg453-server 1 296 0.84 MB/sec warmup 13 sec latency 3148.561 ms 1 296 0.78 MB/sec warmup 14 sec latency 4149.629 ms 1 296 0.73 MB/sec warmup 15 sec latency 5151.264 ms 1 296 0.68 MB/sec warmup 16 sec latency 6152.828 ms 1 296 0.64 MB/sec warmup 17 sec latency 7153.156 ms 1 296 0.61 MB/sec warmup 18 sec latency 8154.052 ms 1 296 0.58 MB/sec warmup 19 sec latency 9154.366 ms 1 296 0.00 MB/sec execute 1 sec latency 11156.420 ms 1 296 0.00 MB/sec execute 2 sec latency 12157.723 ms 1 296 0.00 MB/sec execute 3 sec latency 13158.261 ms Failover mds1 to oleg453-server mount facets: mds1 1 296 0.00 MB/sec execute 4 sec latency 14163.255 ms 1 296 0.00 MB/sec execute 5 sec latency 15163.497 ms 1 296 0.00 MB/sec execute 6 sec latency 16167.211 ms 1 296 0.00 MB/sec execute 7 sec latency 17167.528 ms 1 296 0.00 MB/sec execute 8 sec latency 18170.157 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 9 sec latency 19170.461 ms 1 296 0.00 MB/sec execute 10 sec latency 20175.193 ms 1 296 0.00 MB/sec execute 11 sec latency 21176.753 ms 1 296 0.00 MB/sec execute 12 sec latency 22177.068 ms 1 296 0.00 MB/sec execute 13 sec latency 23181.590 ms 1 296 0.00 MB/sec execute 14 sec latency 24182.265 ms 1 296 0.00 MB/sec execute 15 sec latency 25185.666 ms 1 296 0.00 MB/sec execute 16 sec latency 26186.640 ms 1 296 0.00 MB/sec execute 17 sec latency 27187.558 ms 1 296 0.00 MB/sec execute 18 sec latency 28188.025 ms 1 296 0.00 MB/sec execute 19 sec latency 29188.218 ms 1 296 0.00 MB/sec execute 20 sec latency 30188.455 ms 1 296 0.00 MB/sec execute 21 sec latency 31188.649 ms 1 296 0.00 MB/sec execute 22 sec latency 32189.111 ms 1 296 0.00 MB/sec execute 23 sec latency 33189.467 ms 1 296 0.00 MB/sec execute 24 sec latency 34190.840 ms 1 296 0.00 MB/sec execute 25 sec latency 35191.700 ms oleg453-server: oleg453-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 26 sec latency 36192.519 ms pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 27 sec latency 37192.875 ms Started lustre-MDT0000 21:42:28 (1786758148) targets are mounted 21:42:28 (1786758148) facet_failover done 1 296 0.00 MB/sec execute 28 sec latency 38193.455 ms 1 296 0.00 MB/sec execute 29 sec latency 39193.647 ms 1 296 0.00 MB/sec execute 30 sec latency 40194.329 ms 1 296 0.00 MB/sec execute 31 sec latency 41196.489 ms 1 303 0.01 MB/sec execute 32 sec latency 41702.646 ms 1 331 0.03 MB/sec execute 33 sec latency 164.081 ms 1 357 0.05 MB/sec execute 34 sec latency 144.525 ms 1 397 0.09 MB/sec execute 35 sec latency 111.521 ms 1 430 0.12 MB/sec execute 36 sec latency 144.819 ms 1 473 0.15 MB/sec execute 37 sec latency 110.234 ms oleg453-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 504 0.17 MB/sec execute 38 sec latency 143.885 ms 1 542 0.21 MB/sec execute 39 sec latency 108.709 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 609 0.25 MB/sec execute 40 sec latency 132.080 ms 1 652 0.25 MB/sec execute 41 sec latency 141.151 ms 1 671 0.24 MB/sec execute 42 sec latency 260.778 ms 1 702 0.24 MB/sec execute 43 sec latency 130.683 ms 1 726 0.23 MB/sec execute 44 sec latency 260.631 ms 1 749 0.23 MB/sec execute 45 sec latency 131.822 ms 1 781 0.23 MB/sec execute 46 sec latency 143.251 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3709952 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7394304 1% /mnt/lustre 1 803 0.22 MB/sec execute 47 sec latency 250.136 ms 1 851 0.22 MB/sec execute 48 sec latency 111.376 ms 1 878 0.22 MB/sec execute 49 sec latency 278.326 ms 1 904 0.21 MB/sec execute 50 sec latency 130.728 ms 1 925 0.21 MB/sec execute 51 sec latency 229.432 ms 1 957 0.21 MB/sec execute 52 sec latency 124.915 ms 1 980 0.21 MB/sec execute 53 sec latency 198.346 ms test_26 fail mds1 2 times 1 1009 0.21 MB/sec execute 54 sec latency 282.897 ms 1 1062 0.22 MB/sec execute 55 sec latency 110.087 ms Failing mds1 on oleg453-server 1 1099 0.21 MB/sec execute 56 sec latency 123.753 ms 1 1141 0.21 MB/sec execute 57 sec latency 75.506 ms Stopping /mnt/lustre-mds1 (opts:) on oleg453-server 1 1174 0.21 MB/sec execute 58 sec latency 125.161 ms 1 1180 0.20 MB/sec execute 59 sec latency 814.893 ms 1 1180 0.20 MB/sec execute 60 sec latency 1815.915 ms 1 1180 0.20 MB/sec execute 61 sec latency 2816.589 ms 21:43:02 (1786758182) shut down facet: mds1 facet_host: oleg453-server facet_failover_host: oleg453-server 1 1180 0.19 MB/sec execute 62 sec latency 3816.894 ms 1 1180 0.19 MB/sec execute 63 sec latency 4825.705 ms 1 1180 0.19 MB/sec execute 64 sec latency 5826.257 ms 1 1180 0.19 MB/sec execute 65 sec latency 6827.186 ms 1 1180 0.18 MB/sec execute 66 sec latency 7827.430 ms 1 1180 0.18 MB/sec execute 67 sec latency 8828.456 ms 1 1180 0.18 MB/sec execute 68 sec latency 9829.390 ms 1 1180 0.17 MB/sec execute 69 sec latency 10829.715 ms 1 1180 0.17 MB/sec execute 70 sec latency 11830.408 ms 1 1180 0.17 MB/sec execute 71 sec latency 12831.637 ms Failover mds1 to oleg453-server 1 1180 0.17 MB/sec execute 72 sec latency 13831.768 ms mount facets: mds1 1 1180 0.16 MB/sec execute 73 sec latency 14833.084 ms 1 1180 0.16 MB/sec execute 74 sec latency 15833.555 ms 1 1180 0.16 MB/sec execute 75 sec latency 16833.998 ms 1 1180 0.16 MB/sec execute 76 sec latency 17834.235 ms 1 1180 0.16 MB/sec execute 77 sec latency 18836.057 ms 1 1180 0.15 MB/sec execute 78 sec latency 19836.255 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1180 0.15 MB/sec execute 79 sec latency 20837.305 ms 1 1180 0.15 MB/sec execute 80 sec latency 21837.543 ms 1 1180 0.15 MB/sec execute 81 sec latency 22837.853 ms 1 1180 0.15 MB/sec execute 82 sec latency 23842.821 ms 1 1180 0.14 MB/sec execute 83 sec latency 24848.724 ms 1 1180 0.14 MB/sec execute 84 sec latency 25857.300 ms 1 1180 0.14 MB/sec execute 85 sec latency 26859.596 ms 1 1180 0.14 MB/sec execute 86 sec latency 27859.814 ms 1 1180 0.14 MB/sec execute 87 sec latency 28862.202 ms 1 1180 0.14 MB/sec execute 88 sec latency 29862.549 ms 1 1180 0.14 MB/sec execute 89 sec latency 30862.852 ms 1 1180 0.13 MB/sec execute 90 sec latency 31864.153 ms 1 1180 0.13 MB/sec execute 91 sec latency 32868.708 ms 1 1180 0.13 MB/sec execute 92 sec latency 33874.367 ms 1 1180 0.13 MB/sec execute 93 sec latency 34875.515 ms 1 1180 0.13 MB/sec execute 94 sec latency 35875.717 ms oleg453-server: oleg453-server.virtnet: executing set_default_debug -1 all 1 1180 0.13 MB/sec execute 95 sec latency 36879.355 ms 1 1180 0.13 MB/sec execute 96 sec latency 37880.032 ms pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1 1 1180 0.12 MB/sec execute 97 sec latency 38885.129 ms Started lustre-MDT0000 21:43:38 (1786758218) targets are mounted 21:43:38 (1786758218) facet_failover done 1 1180 0.12 MB/sec execute 98 sec latency 39886.130 ms 1 1192 0.12 MB/sec execute 99 sec latency 40449.163 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 131 397.048 40449.131 Close 120 362.217 41702.623 Rename 8 114.955 157.055 Unlink 14 42.055 63.008 Qpathinfo 78 30.479 150.167 Qfileinfo 56 3.576 14.034 Qfsinfo 28 5.486 20.847 Sfileinfo 27 68.775 155.492 Find 37 10.173 52.016 WriteX 271 16.808 104.487 ReadX 126 5.638 77.048 Flush 24 130.400 282.874 Throughput 0.121786 MB/sec 1 clients 1 procs max_latency=41702.646 ms stopping dbench on /mnt/lustre at Fri Aug 14 21:43:46 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg453-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 14 21:43:54 EDT 2026 waiting for dbench pid 47303 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 19 0.33 MB/sec warmup 1 sec latency 21.440 ms 1 80 1.76 MB/sec warmup 2 sec latency 125.350 ms 1 121 1.83 MB/sec warmup 3 sec latency 151.685 ms UUID 1K-blocks Used Available Use% Mounted on 1 147 1.56 MB/sec warmup 4 sec latency 171.452 ms lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3699712 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3725312 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7425024 1% /mnt/lustre 1 173 1.41 MB/sec warmup 5 sec latency 206.653 ms 1 197 1.30 MB/sec warmup 6 sec latency 187.146 ms 1 240 1.30 MB/sec warmup 7 sec latency 118.633 ms 1 279 1.30 MB/sec warmup 8 sec latency 139.299 ms 1 313 1.27 MB/sec warmup 9 sec latency 127.913 ms 1 349 1.25 MB/sec warmup 10 sec latency 142.758 ms test_26 fail mds1 3 times 1 381 1.23 MB/sec warmup 11 sec latency 127.072 ms 1 414 1.21 MB/sec warmup 12 sec latency 156.195 ms Failing mds1 on oleg453-server 1 452 1.22 MB/sec warmup 13 sec latency 174.829 ms Stopping /mnt/lustre-mds1 (opts:) on oleg453-server 1 492 1.23 MB/sec warmup 14 sec latency 116.163 ms 1 501 1.16 MB/sec warmup 15 sec latency 771.297 ms 1 501 1.09 MB/sec warmup 16 sec latency 1771.586 ms 21:44:12 (1786758252) shut down 1 501 1.03 MB/sec warmup 17 sec latency 2771.777 ms facet: mds1 facet_host: oleg453-server facet_failover_host: oleg453-server 1 501 0.97 MB/sec warmup 18 sec latency 3773.043 ms 1 501 0.92 MB/sec warmup 19 sec latency 4773.528 ms 1 501 0.00 MB/sec execute 1 sec latency 6776.181 ms 1 501 0.00 MB/sec execute 2 sec latency 7776.455 ms 1 501 0.00 MB/sec execute 3 sec latency 8777.755 ms 1 501 0.00 MB/sec execute 4 sec latency 9778.803 ms 1 501 0.00 MB/sec execute 5 sec latency 10779.931 ms 1 501 0.00 MB/sec execute 6 sec latency 11780.943 ms 1 501 0.00 MB/sec execute 7 sec latency 12781.451 ms Failover mds1 to oleg453-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 13781.621 ms 1 501 0.00 MB/sec execute 9 sec latency 14781.851 ms 1 501 0.00 MB/sec execute 10 sec latency 15782.268 ms 1 501 0.00 MB/sec execute 11 sec latency 16783.021 ms 1 501 0.00 MB/sec execute 12 sec latency 17783.299 ms 1 501 0.00 MB/sec execute 13 sec latency 18783.602 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 501 0.00 MB/sec execute 14 sec latency 19784.141 ms 1 501 0.00 MB/sec execute 15 sec latency 20784.531 ms 1 501 0.00 MB/sec execute 16 sec latency 21784.743 ms 1 501 0.00 MB/sec execute 17 sec latency 22787.013 ms 1 501 0.00 MB/sec execute 18 sec latency 23787.244 ms 1 501 0.00 MB/sec execute 19 sec latency 24788.822 ms 1 501 0.00 MB/sec execute 20 sec latency 25789.373 ms 1 501 0.00 MB/sec execute 21 sec latency 26789.623 ms 1 501 0.00 MB/sec execute 22 sec latency 27789.900 ms 1 501 0.00 MB/sec execute 23 sec latency 28793.977 ms 1 501 0.00 MB/sec execute 24 sec latency 29794.150 ms 1 501 0.00 MB/sec execute 25 sec latency 30794.404 ms 1 501 0.00 MB/sec execute 26 sec latency 31798.369 ms 1 501 0.00 MB/sec execute 27 sec latency 32799.982 ms 1 501 0.00 MB/sec execute 28 sec latency 33800.998 ms oleg453-server: oleg453-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 34802.135 ms pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 35802.483 ms 1 501 0.00 MB/sec execute 31 sec latency 36802.924 ms Started lustre-MDT0000 1 501 0.00 MB/sec execute 32 sec latency 37806.549 ms 21:44:47 (1786758287) targets are mounted 21:44:47 (1786758287) facet_failover done 1 501 0.00 MB/sec execute 33 sec latency 38806.737 ms 1 501 0.00 MB/sec execute 34 sec latency 39812.955 ms 1 501 0.00 MB/sec execute 35 sec latency 40816.155 ms 1 501 0.00 MB/sec execute 36 sec latency 41817.460 ms 1 501 0.00 MB/sec execute 37 sec latency 42824.446 ms 1 501 0.00 MB/sec execute 38 sec latency 43843.362 ms 1 503 0.00 MB/sec execute 39 sec latency 44601.539 ms 1 523 0.01 MB/sec execute 40 sec latency 251.254 ms 1 552 0.04 MB/sec execute 41 sec latency 256.843 ms 1 612 0.08 MB/sec execute 42 sec latency 278.060 ms 1 656 0.08 MB/sec execute 43 sec latency 140.370 ms 1 673 0.08 MB/sec execute 44 sec latency 222.197 ms 1 695 0.08 MB/sec execute 45 sec latency 233.362 ms oleg453-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.08 MB/sec execute 46 sec latency 138.691 ms 1 733 0.08 MB/sec execute 47 sec latency 224.398 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 762 0.08 MB/sec execute 48 sec latency 152.865 ms 1 785 0.08 MB/sec execute 49 sec latency 184.675 ms 1 796 0.08 MB/sec execute 50 sec latency 503.577 ms 1 820 0.08 MB/sec execute 51 sec latency 139.757 ms 1 861 0.08 MB/sec execute 52 sec latency 196.187 ms 1 876 0.08 MB/sec execute 53 sec latency 373.845 ms 1 902 0.08 MB/sec execute 54 sec latency 138.395 ms 1 921 0.08 MB/sec execute 55 sec latency 164.296 ms 1 959 0.08 MB/sec execute 56 sec latency 138.419 ms 1 980 0.08 MB/sec execute 57 sec latency 314.517 ms 1 990 0.08 MB/sec execute 58 sec latency 559.032 ms 1 1057 0.09 MB/sec execute 59 sec latency 135.877 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1103 0.09 MB/sec execute 60 sec latency 90.661 ms 1 1138 0.09 MB/sec execute 61 sec latency 132.511 ms 1 1173 0.09 MB/sec execute 62 sec latency 181.719 ms 1 1196 0.09 MB/sec execute 63 sec latency 144.209 ms 1 1231 0.09 MB/sec execute 64 sec latency 97.850 ms 1 1262 0.09 MB/sec execute 65 sec latency 137.376 ms 1 1388 0.13 MB/sec execute 66 sec latency 100.594 ms 1 1421 0.13 MB/sec execute 67 sec latency 104.458 ms 1 1449 0.13 MB/sec execute 68 sec latency 156.925 ms 1 1481 0.12 MB/sec execute 69 sec latency 216.913 ms 1 1511 0.12 MB/sec execute 70 sec latency 316.972 ms 1 1553 0.12 MB/sec execute 71 sec latency 111.930 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 21:45:26 EDT 2026 with return code 0 1 1577 0.12 MB/sec execute 72 sec latency 86.634 ms 47303 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47303 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished