== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:42:46 (1781232166) Starting client oleg427-client.virtnet: -o user_xattr,flock 192.168.204.127@tcp:/lustre /mnt/lustre Started clients oleg427-client.virtnet: 192.168.204.127@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64958 Started dbench loop with 64959 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1956 1269348 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1760 1269544 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13832 3593132 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7198588 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 Jun 11 22:42:52 EDT 2026 waiting for dbench pid 65037 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 158.629 ms 1 51 1.05 MB/sec warmup 2 sec latency 148.061 ms 1 102 1.57 MB/sec warmup 3 sec latency 155.601 ms 1 137 1.50 MB/sec warmup 4 sec latency 156.831 ms 1 155 1.30 MB/sec warmup 5 sec latency 322.458 ms 1 159 1.09 MB/sec warmup 6 sec latency 1131.475 ms 1 184 1.05 MB/sec warmup 7 sec latency 164.105 ms 1 197 0.98 MB/sec warmup 8 sec latency 678.864 ms 1 231 0.98 MB/sec warmup 9 sec latency 144.233 ms test_26 fail mds1 1 times 1 266 0.99 MB/sec warmup 10 sec latency 128.654 ms 1 297 0.99 MB/sec warmup 11 sec latency 149.033 ms Failing mds1 on oleg427-server 1 324 0.98 MB/sec warmup 12 sec latency 176.207 ms Stopping /mnt/lustre-mds1 (opts:) on oleg427-server 1 357 0.98 MB/sec warmup 13 sec latency 140.705 ms 1 381 0.97 MB/sec warmup 14 sec latency 403.978 ms 1 381 0.90 MB/sec warmup 15 sec latency 1404.514 ms 1 381 0.85 MB/sec warmup 16 sec latency 2404.821 ms 22:43:09 (1781232189) shut down facet: mds1 facet_host: oleg427-server facet_failover_host: oleg427-server 1 381 0.80 MB/sec warmup 17 sec latency 3405.061 ms 1 381 0.75 MB/sec warmup 18 sec latency 4405.463 ms 1 381 0.71 MB/sec warmup 19 sec latency 5406.232 ms 1 381 0.00 MB/sec execute 1 sec latency 7407.712 ms 1 381 0.00 MB/sec execute 2 sec latency 8408.271 ms 1 381 0.00 MB/sec execute 3 sec latency 9411.116 ms 1 381 0.00 MB/sec execute 4 sec latency 10413.527 ms 1 381 0.00 MB/sec execute 5 sec latency 11413.990 ms 1 381 0.00 MB/sec execute 6 sec latency 12414.263 ms Failover mds1 to oleg427-server mount facets: mds1 1 381 0.00 MB/sec execute 7 sec latency 13414.546 ms 1 381 0.00 MB/sec execute 8 sec latency 14416.139 ms 1 381 0.00 MB/sec execute 9 sec latency 15416.449 ms 1 381 0.00 MB/sec execute 10 sec latency 16416.622 ms 1 381 0.00 MB/sec execute 11 sec latency 17417.235 ms 1 381 0.00 MB/sec execute 12 sec latency 18417.474 ms 1 381 0.00 MB/sec execute 13 sec latency 19417.780 ms 1 381 0.00 MB/sec execute 14 sec latency 20417.956 ms 1 381 0.00 MB/sec execute 15 sec latency 21419.517 ms 1 381 0.00 MB/sec execute 16 sec latency 22420.656 ms 1 381 0.00 MB/sec execute 17 sec latency 23421.132 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 381 0.00 MB/sec execute 18 sec latency 24421.740 ms 1 381 0.00 MB/sec execute 19 sec latency 25422.175 ms 1 381 0.00 MB/sec execute 20 sec latency 26424.827 ms 1 381 0.00 MB/sec execute 21 sec latency 27426.130 ms 1 381 0.00 MB/sec execute 22 sec latency 28426.441 ms 1 381 0.00 MB/sec execute 23 sec latency 29426.849 ms 1 381 0.00 MB/sec execute 24 sec latency 30427.138 ms 1 381 0.00 MB/sec execute 25 sec latency 31427.696 ms 1 381 0.00 MB/sec execute 26 sec latency 32429.326 ms 1 381 0.00 MB/sec execute 27 sec latency 33429.750 ms 1 381 0.00 MB/sec execute 28 sec latency 34432.251 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 381 0.00 MB/sec execute 29 sec latency 35433.058 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 1 381 0.00 MB/sec execute 30 sec latency 36433.434 ms 1 384 0.00 MB/sec execute 31 sec latency 37385.503 ms Started lustre-MDT0000 22:43:44 (1781232224) targets are mounted 22:43:44 (1781232224) facet_failover done 1 424 0.04 MB/sec execute 32 sec latency 147.564 ms 1 461 0.08 MB/sec execute 33 sec latency 125.611 ms 1 493 0.11 MB/sec execute 34 sec latency 129.879 ms 1 513 0.12 MB/sec execute 35 sec latency 167.606 ms 1 552 0.15 MB/sec execute 36 sec latency 162.767 ms oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 590 0.18 MB/sec execute 37 sec latency 816.788 ms 1 639 0.20 MB/sec execute 38 sec latency 118.585 ms 1 669 0.19 MB/sec execute 39 sec latency 135.008 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.19 MB/sec execute 40 sec latency 145.867 ms 1 728 0.19 MB/sec execute 41 sec latency 135.040 ms 1 762 0.19 MB/sec execute 42 sec latency 176.224 ms 1 796 0.18 MB/sec execute 43 sec latency 135.729 ms 1 848 0.18 MB/sec execute 44 sec latency 90.149 ms 1 878 0.18 MB/sec execute 45 sec latency 101.656 ms 1 907 0.18 MB/sec execute 46 sec latency 122.708 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2088 1269216 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13096 3585648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34600 3568040 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47696 7153688 1% /mnt/lustre 1 923 0.17 MB/sec execute 47 sec latency 201.512 ms 1 959 0.17 MB/sec execute 48 sec latency 110.799 ms 1 985 0.17 MB/sec execute 49 sec latency 171.717 ms 1 1039 0.19 MB/sec execute 50 sec latency 108.527 ms 1 1076 0.18 MB/sec execute 51 sec latency 101.496 ms 1 1127 0.18 MB/sec execute 52 sec latency 95.287 ms 1 1155 0.18 MB/sec execute 53 sec latency 176.757 ms 1 1172 0.17 MB/sec execute 54 sec latency 525.012 ms 1 1181 0.17 MB/sec execute 55 sec latency 1053.111 ms 1 1221 0.17 MB/sec execute 56 sec latency 94.532 ms test_26 fail mds2 2 times 1 1257 0.17 MB/sec execute 57 sec latency 101.759 ms 1 1380 0.21 MB/sec execute 58 sec latency 119.910 ms Failing mds2 on oleg427-server 1 1405 0.21 MB/sec execute 59 sec latency 118.888 ms Stopping /mnt/lustre-mds2 (opts:) on oleg427-server 1 1447 0.21 MB/sec execute 60 sec latency 96.523 ms 1 1493 0.20 MB/sec execute 61 sec latency 98.226 ms 1 1520 0.20 MB/sec execute 62 sec latency 128.702 ms 1 1587 0.20 MB/sec execute 63 sec latency 73.818 ms 1 1632 0.20 MB/sec execute 64 sec latency 123.239 ms 22:44:17 (1781232257) shut down facet: mds2 facet_host: oleg427-server facet_failover_host: oleg427-server 1 1676 0.19 MB/sec execute 65 sec latency 131.638 ms 1 1721 0.19 MB/sec execute 66 sec latency 107.869 ms 1 1777 0.19 MB/sec execute 67 sec latency 133.313 ms 1 1840 0.19 MB/sec execute 68 sec latency 70.876 ms 1 1888 0.19 MB/sec execute 69 sec latency 94.131 ms 1 1954 0.18 MB/sec execute 70 sec latency 88.766 ms 1 2000 0.18 MB/sec execute 71 sec latency 102.878 ms 1 2051 0.18 MB/sec execute 72 sec latency 110.560 ms 1 2108 0.18 MB/sec execute 73 sec latency 106.276 ms 1 2156 0.18 MB/sec execute 74 sec latency 103.732 ms Failover mds2 to oleg427-server mount facets: mds2 1 2181 0.18 MB/sec execute 75 sec latency 166.146 ms 1 2238 0.17 MB/sec execute 76 sec latency 120.341 ms 1 2259 0.17 MB/sec execute 77 sec latency 617.771 ms 1 2259 0.17 MB/sec execute 78 sec latency 1618.475 ms 1 2259 0.17 MB/sec execute 79 sec latency 2620.643 ms 1 2259 0.16 MB/sec execute 80 sec latency 3620.889 ms 1 2259 0.16 MB/sec execute 81 sec latency 4621.150 ms 1 2259 0.16 MB/sec execute 82 sec latency 5621.423 ms 1 2259 0.16 MB/sec execute 83 sec latency 6625.766 ms 1 2259 0.16 MB/sec execute 84 sec latency 7626.505 ms 1 2259 0.16 MB/sec execute 85 sec latency 8626.954 ms 1 2259 0.15 MB/sec execute 86 sec latency 9628.282 ms 1 2259 0.15 MB/sec execute 87 sec latency 10628.617 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 88 sec latency 11632.445 ms 1 2259 0.15 MB/sec execute 89 sec latency 12635.527 ms 1 2259 0.15 MB/sec execute 90 sec latency 13635.922 ms 1 2259 0.15 MB/sec execute 91 sec latency 14649.772 ms 1 2259 0.14 MB/sec execute 92 sec latency 15650.991 ms 1 2259 0.14 MB/sec execute 93 sec latency 16653.983 ms 1 2259 0.14 MB/sec execute 94 sec latency 17654.430 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 95 sec latency 18654.685 ms 1 2259 0.14 MB/sec execute 96 sec latency 19655.469 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 97 sec latency 20658.365 ms Started lustre-MDT0001 22:44:50 (1781232290) targets are mounted 22:44:50 (1781232290) facet_failover done 1 2307 0.14 MB/sec execute 98 sec latency 21009.739 ms 1 2359 0.14 MB/sec execute 99 sec latency 103.676 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 345 232.210 37385.464 Close 302 12.989 95.650 Rename 12 98.239 176.721 Unlink 32 33.589 69.448 Qpathinfo 314 16.864 101.467 Qfileinfo 88 3.278 26.922 Qfsinfo 38 4.673 18.203 Sfileinfo 41 77.663 201.496 Find 105 13.710 84.835 WriteX 319 15.334 84.340 ReadX 379 2.489 97.977 Flush 32 68.269 183.866 Throughput 0.144507 MB/sec 1 clients 1 procs max_latency=37385.503 ms stopping dbench on /mnt/lustre at Thu Jun 11 22:44:57 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2360 1268944 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20776 3577128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1860 3588424 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22636 7165552 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 Jun 11 22:45:07 EDT 2026 waiting for dbench pid 67153 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 0 10 0.00 MB/sec warmup 1 sec latency 52.454 ms 1 65 1.40 MB/sec warmup 2 sec latency 109.018 ms 1 109 1.72 MB/sec warmup 3 sec latency 191.485 ms 1 137 1.50 MB/sec warmup 4 sec latency 171.123 ms 1 165 1.36 MB/sec warmup 5 sec latency 205.312 ms 1 172 1.17 MB/sec warmup 6 sec latency 811.006 ms 1 181 1.04 MB/sec warmup 7 sec latency 1519.723 ms 1 200 0.98 MB/sec warmup 8 sec latency 281.510 ms 1 243 1.02 MB/sec warmup 9 sec latency 113.261 ms 1 285 1.06 MB/sec warmup 10 sec latency 108.772 ms test_26 fail mds1 3 times 1 313 1.04 MB/sec warmup 11 sec latency 143.341 ms 1 337 1.02 MB/sec warmup 12 sec latency 268.885 ms Failing mds1 on oleg427-server 1 365 1.00 MB/sec warmup 13 sec latency 179.895 ms Stopping /mnt/lustre-mds1 (opts:) on oleg427-server 1 397 1.00 MB/sec warmup 14 sec latency 117.246 ms 1 429 1.01 MB/sec warmup 15 sec latency 132.455 ms 1 436 0.96 MB/sec warmup 16 sec latency 842.587 ms 1 436 0.90 MB/sec warmup 17 sec latency 1843.935 ms 22:45:25 (1781232325) shut down facet: mds1 facet_host: oleg427-server facet_failover_host: oleg427-server 1 436 0.85 MB/sec warmup 18 sec latency 2844.210 ms 1 436 0.81 MB/sec warmup 19 sec latency 3848.562 ms 1 436 0.00 MB/sec execute 1 sec latency 5850.586 ms 1 436 0.00 MB/sec execute 2 sec latency 6851.509 ms 1 436 0.00 MB/sec execute 3 sec latency 7851.898 ms 1 436 0.00 MB/sec execute 4 sec latency 8853.519 ms 1 436 0.00 MB/sec execute 5 sec latency 9853.765 ms 1 436 0.00 MB/sec execute 6 sec latency 10855.150 ms 1 436 0.00 MB/sec execute 7 sec latency 11855.544 ms 1 436 0.00 MB/sec execute 8 sec latency 12856.072 ms Failover mds1 to oleg427-server mount facets: mds1 1 436 0.00 MB/sec execute 9 sec latency 13859.741 ms 1 436 0.00 MB/sec execute 10 sec latency 14863.190 ms 1 436 0.00 MB/sec execute 11 sec latency 15863.427 ms 1 436 0.00 MB/sec execute 12 sec latency 16863.871 ms 1 436 0.00 MB/sec execute 13 sec latency 17864.140 ms 1 436 0.00 MB/sec execute 14 sec latency 18866.236 ms 1 436 0.00 MB/sec execute 15 sec latency 19866.481 ms 1 436 0.00 MB/sec execute 16 sec latency 20867.524 ms 1 436 0.00 MB/sec execute 17 sec latency 21867.762 ms 1 436 0.00 MB/sec execute 18 sec latency 22868.154 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 436 0.00 MB/sec execute 19 sec latency 23870.569 ms 1 436 0.00 MB/sec execute 20 sec latency 24870.857 ms 1 436 0.00 MB/sec execute 21 sec latency 25871.118 ms 1 436 0.00 MB/sec execute 22 sec latency 26871.990 ms 1 436 0.00 MB/sec execute 23 sec latency 27872.256 ms 1 436 0.00 MB/sec execute 24 sec latency 28872.526 ms 1 436 0.00 MB/sec execute 25 sec latency 29873.269 ms 1 436 0.00 MB/sec execute 26 sec latency 30873.522 ms 1 436 0.00 MB/sec execute 27 sec latency 31873.782 ms oleg427-server: oleg427-server.virtnet: executing set_default_debug -1 all 1 436 0.00 MB/sec execute 28 sec latency 32874.004 ms pdsh@oleg427-client: oleg427-server: ssh exited with exit code 1 1 436 0.00 MB/sec execute 29 sec latency 33874.234 ms Started lustre-MDT0000 22:45:57 (1781232357) targets are mounted 22:45:57 (1781232357) facet_failover done 1 436 0.00 MB/sec execute 30 sec latency 34874.643 ms 1 445 0.01 MB/sec execute 31 sec latency 35521.339 ms 1 485 0.05 MB/sec execute 32 sec latency 170.815 ms 1 504 0.06 MB/sec execute 33 sec latency 255.331 ms 1 529 0.09 MB/sec execute 34 sec latency 200.607 ms 1 589 0.14 MB/sec execute 35 sec latency 93.375 ms oleg427-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 639 0.16 MB/sec execute 36 sec latency 140.157 ms 1 661 0.16 MB/sec execute 37 sec latency 202.595 ms 1 678 0.15 MB/sec execute 38 sec latency 176.203 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.15 MB/sec execute 39 sec latency 177.598 ms 1 712 0.15 MB/sec execute 40 sec latency 208.180 ms 1 733 0.14 MB/sec execute 41 sec latency 291.361 ms 1 748 0.14 MB/sec execute 42 sec latency 246.037 ms 1 778 0.14 MB/sec execute 43 sec latency 169.598 ms 1 799 0.14 MB/sec execute 44 sec latency 170.726 ms 1 821 0.14 MB/sec execute 45 sec latency 168.765 ms 1 861 0.13 MB/sec execute 46 sec latency 142.116 ms 1 878 0.13 MB/sec execute 47 sec latency 228.918 ms 1 884 0.13 MB/sec execute 48 sec latency 786.443 ms 1 890 0.13 MB/sec execute 49 sec latency 1052.064 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 918 0.13 MB/sec execute 50 sec latency 151.878 ms 1 955 0.13 MB/sec execute 51 sec latency 170.653 ms 1 972 0.12 MB/sec execute 52 sec latency 157.624 ms 1 1005 0.13 MB/sec execute 53 sec latency 137.955 ms 1 1042 0.14 MB/sec execute 54 sec latency 167.356 ms 1 1074 0.14 MB/sec execute 55 sec latency 117.276 ms 1 1099 0.13 MB/sec execute 56 sec latency 176.824 ms 1 1133 0.13 MB/sec execute 57 sec latency 137.272 ms 1 1159 0.13 MB/sec execute 58 sec latency 178.936 ms 1 1182 0.13 MB/sec execute 59 sec latency 183.987 ms 1 1221 0.13 MB/sec execute 60 sec latency 98.778 ms 1 1244 0.13 MB/sec execute 61 sec latency 151.144 ms 1 1275 0.12 MB/sec execute 62 sec latency 165.168 ms 1 1396 0.17 MB/sec execute 63 sec latency 81.239 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jun 11 22:46:31 EDT 2026 with return code 0 1 1421 0.17 MB/sec execute 64 sec latency 137.985 ms 67153 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67153 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished