== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:56:28 (1788800188) Starting client oleg420-client.virtnet: -o user_xattr,flock 192.168.204.120@tcp:/lustre /mnt/lustre Started clients oleg420-client.virtnet: 192.168.204.120@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 45187 Started dbench loop with 45188 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 2048 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 18432 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7500800 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 Mon Sep 7 12:56:34 EDT 2026 waiting for dbench pid 45256 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 29 0.98 MB/sec warmup 1 sec latency 14.693 ms 1 72 1.57 MB/sec warmup 2 sec latency 151.607 ms 1 122 1.83 MB/sec warmup 3 sec latency 196.341 ms 1 157 1.63 MB/sec warmup 4 sec latency 144.567 ms test_26 fail mds1 1 times 1 193 1.53 MB/sec warmup 5 sec latency 145.922 ms 1 232 1.48 MB/sec warmup 6 sec latency 131.955 ms Failing mds1 on oleg420-server 1 264 1.42 MB/sec warmup 7 sec latency 135.114 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 297 1.37 MB/sec warmup 8 sec latency 155.791 ms 1 322 1.30 MB/sec warmup 9 sec latency 188.302 ms 1 322 1.17 MB/sec warmup 10 sec latency 1188.960 ms 1 322 1.07 MB/sec warmup 11 sec latency 2189.193 ms 12:56:45 (1788800205) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 322 0.98 MB/sec warmup 12 sec latency 3189.638 ms 1 322 0.90 MB/sec warmup 13 sec latency 4189.979 ms 1 322 0.84 MB/sec warmup 14 sec latency 5190.239 ms 1 322 0.78 MB/sec warmup 15 sec latency 6190.634 ms 1 322 0.73 MB/sec warmup 16 sec latency 7190.897 ms 1 322 0.69 MB/sec warmup 17 sec latency 8191.177 ms 1 322 0.65 MB/sec warmup 18 sec latency 9191.876 ms 1 322 0.62 MB/sec warmup 19 sec latency 10192.263 ms 1 322 0.00 MB/sec execute 1 sec latency 12192.911 ms Failover mds1 to oleg420-server mount facets: mds1 1 322 0.00 MB/sec execute 2 sec latency 13193.080 ms 1 322 0.00 MB/sec execute 3 sec latency 14193.561 ms 1 322 0.00 MB/sec execute 4 sec latency 15193.985 ms 1 322 0.00 MB/sec execute 5 sec latency 16209.251 ms 1 322 0.00 MB/sec execute 6 sec latency 17209.418 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 7 sec latency 18209.564 ms 1 322 0.00 MB/sec execute 8 sec latency 19210.649 ms 1 322 0.00 MB/sec execute 9 sec latency 20211.355 ms 1 322 0.00 MB/sec execute 10 sec latency 21211.621 ms 1 322 0.00 MB/sec execute 11 sec latency 22211.845 ms 1 322 0.00 MB/sec execute 12 sec latency 23212.322 ms 1 322 0.00 MB/sec execute 13 sec latency 24213.210 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 322 0.00 MB/sec execute 14 sec latency 25214.335 ms 1 322 0.00 MB/sec execute 15 sec latency 26214.677 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 322 0.00 MB/sec execute 16 sec latency 27215.491 ms Started lustre-MDT0000 12:57:11 (1788800231) targets are mounted 12:57:11 (1788800231) facet_failover done 1 322 0.00 MB/sec execute 17 sec latency 28215.767 ms 1 322 0.00 MB/sec execute 18 sec latency 29216.298 ms 1 322 0.00 MB/sec execute 19 sec latency 30216.427 ms 1 322 0.00 MB/sec execute 20 sec latency 31220.189 ms 1 322 0.00 MB/sec execute 21 sec latency 32221.059 ms 1 322 0.00 MB/sec execute 22 sec latency 33222.337 ms 1 322 0.00 MB/sec execute 23 sec latency 34223.639 ms 1 322 0.00 MB/sec execute 24 sec latency 35223.910 ms 1 322 0.00 MB/sec execute 25 sec latency 36224.510 ms 1 322 0.00 MB/sec execute 26 sec latency 37224.720 ms 1 322 0.00 MB/sec execute 27 sec latency 38225.412 ms 1 322 0.00 MB/sec execute 28 sec latency 39230.574 ms 1 322 0.00 MB/sec execute 29 sec latency 40231.752 ms 1 322 0.00 MB/sec execute 30 sec latency 41241.567 ms 1 323 0.00 MB/sec execute 31 sec latency 42214.194 ms 1 334 0.01 MB/sec execute 32 sec latency 556.757 ms 1 349 0.02 MB/sec execute 33 sec latency 235.827 ms 1 373 0.05 MB/sec execute 34 sec latency 258.363 ms 1 400 0.07 MB/sec execute 35 sec latency 342.681 ms 1 429 0.09 MB/sec execute 36 sec latency 198.674 ms 1 445 0.11 MB/sec execute 37 sec latency 321.723 ms 1 466 0.12 MB/sec execute 38 sec latency 249.601 ms 1 485 0.13 MB/sec execute 39 sec latency 244.878 ms 1 503 0.14 MB/sec execute 40 sec latency 241.337 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 522 0.15 MB/sec execute 41 sec latency 233.406 ms 1 543 0.17 MB/sec execute 42 sec latency 253.963 ms 1 602 0.21 MB/sec execute 43 sec latency 57.195 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 636 0.21 MB/sec execute 44 sec latency 167.578 ms 1 656 0.21 MB/sec execute 45 sec latency 168.594 ms 1 673 0.20 MB/sec execute 46 sec latency 250.567 ms 1 689 0.20 MB/sec execute 47 sec latency 250.288 ms 1 718 0.20 MB/sec execute 48 sec latency 164.252 ms 1 733 0.19 MB/sec execute 49 sec latency 298.095 ms 1 749 0.19 MB/sec execute 50 sec latency 223.464 ms 1 779 0.19 MB/sec execute 51 sec latency 208.219 ms 1 796 0.19 MB/sec execute 52 sec latency 445.576 ms 1 808 0.18 MB/sec execute 53 sec latency 172.821 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 15360 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7440384 1% /mnt/lustre 1 850 0.18 MB/sec execute 54 sec latency 145.958 ms 1 876 0.18 MB/sec execute 55 sec latency 307.579 ms 1 901 0.18 MB/sec execute 56 sec latency 144.715 ms 1 918 0.18 MB/sec execute 57 sec latency 183.245 ms 1 954 0.17 MB/sec execute 58 sec latency 150.802 ms 1 983 0.17 MB/sec execute 59 sec latency 192.183 ms 1 1042 0.19 MB/sec execute 60 sec latency 93.647 ms test_26 fail mds1 2 times 1 1076 0.18 MB/sec execute 61 sec latency 134.299 ms 1 1126 0.18 MB/sec execute 62 sec latency 106.743 ms Failing mds1 on oleg420-server 1 1157 0.18 MB/sec execute 63 sec latency 127.339 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 1192 0.18 MB/sec execute 64 sec latency 111.906 ms 1 1200 0.17 MB/sec execute 65 sec latency 768.959 ms 1 1200 0.17 MB/sec execute 66 sec latency 1769.192 ms 1 1200 0.17 MB/sec execute 67 sec latency 2769.433 ms 12:58:02 (1788800282) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 1200 0.17 MB/sec execute 68 sec latency 3769.678 ms 1 1200 0.16 MB/sec execute 69 sec latency 4781.669 ms 1 1200 0.16 MB/sec execute 70 sec latency 5782.464 ms 1 1200 0.16 MB/sec execute 71 sec latency 6782.761 ms 1 1200 0.16 MB/sec execute 72 sec latency 7783.988 ms 1 1200 0.15 MB/sec execute 73 sec latency 8784.207 ms 1 1200 0.15 MB/sec execute 74 sec latency 9784.509 ms 1 1200 0.15 MB/sec execute 75 sec latency 10786.948 ms 1 1200 0.15 MB/sec execute 76 sec latency 11788.434 ms 1 1200 0.15 MB/sec execute 77 sec latency 12788.709 ms Failover mds1 to oleg420-server mount facets: mds1 1 1200 0.14 MB/sec execute 78 sec latency 13792.566 ms 1 1200 0.14 MB/sec execute 79 sec latency 14793.038 ms 1 1200 0.14 MB/sec execute 80 sec latency 15793.401 ms 1 1200 0.14 MB/sec execute 81 sec latency 16800.870 ms 1 1200 0.14 MB/sec execute 82 sec latency 17801.377 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1200 0.14 MB/sec execute 83 sec latency 18805.974 ms 1 1200 0.13 MB/sec execute 84 sec latency 19806.226 ms 1 1200 0.13 MB/sec execute 85 sec latency 20806.454 ms 1 1200 0.13 MB/sec execute 86 sec latency 21807.794 ms 1 1200 0.13 MB/sec execute 87 sec latency 22811.767 ms 1 1200 0.13 MB/sec execute 88 sec latency 23813.453 ms 1 1200 0.13 MB/sec execute 89 sec latency 24813.750 ms 1 1200 0.13 MB/sec execute 90 sec latency 25814.312 ms 1 1200 0.12 MB/sec execute 91 sec latency 26817.044 ms 1 1200 0.12 MB/sec execute 92 sec latency 27817.580 ms 1 1200 0.12 MB/sec execute 93 sec latency 28817.826 ms 1 1200 0.12 MB/sec execute 94 sec latency 29818.097 ms 1 1200 0.12 MB/sec execute 95 sec latency 30818.591 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 1200 0.12 MB/sec execute 96 sec latency 31818.923 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 1200 0.12 MB/sec execute 97 sec latency 32819.207 ms Started lustre-MDT0000 12:58:32 (1788800312) targets are mounted 12:58:32 (1788800312) facet_failover done 1 1200 0.12 MB/sec execute 98 sec latency 33819.509 ms 1 1200 0.11 MB/sec execute 99 sec latency 34819.792 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 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 124 115.527 556.736 Close 115 384.510 42214.163 Rename 8 5151.190 40332.841 Unlink 13 35.377 63.465 Qpathinfo 72 28.203 153.328 Qfileinfo 53 2.828 16.177 Qfsinfo 28 6.452 34.969 Sfileinfo 27 76.590 140.851 Find 36 8.812 65.460 WriteX 256 22.838 89.052 ReadX 123 6.852 155.137 Flush 24 176.164 445.552 Throughput 0.113925 MB/sec 1 clients 1 procs max_latency=42214.194 ms stopping dbench on /mnt/lustre at Mon Sep 7 12:58:42 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg420-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 Mon Sep 7 12:58:47 EDT 2026 waiting for dbench pid 47198 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 31 1.03 MB/sec warmup 1 sec latency 42.951 ms 1 78 1.69 MB/sec warmup 2 sec latency 159.932 ms 1 124 1.82 MB/sec warmup 3 sec latency 161.506 ms 1 147 1.56 MB/sec warmup 4 sec latency 224.118 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3749888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 29696 3710976 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7460864 1% /mnt/lustre 1 176 1.41 MB/sec warmup 5 sec latency 160.240 ms 1 200 1.30 MB/sec warmup 6 sec latency 210.277 ms 1 248 1.34 MB/sec warmup 7 sec latency 157.387 ms 1 288 1.33 MB/sec warmup 8 sec latency 134.025 ms 1 318 1.27 MB/sec warmup 9 sec latency 162.066 ms 1 350 1.25 MB/sec warmup 10 sec latency 196.472 ms test_26 fail mds1 3 times 1 385 1.23 MB/sec warmup 11 sec latency 128.270 ms 1 420 1.23 MB/sec warmup 12 sec latency 165.648 ms Failing mds1 on oleg420-server 1 456 1.22 MB/sec warmup 13 sec latency 183.907 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 485 1.20 MB/sec warmup 14 sec latency 156.349 ms 1 513 1.18 MB/sec warmup 15 sec latency 240.172 ms 1 513 1.10 MB/sec warmup 16 sec latency 1240.713 ms 1 513 1.04 MB/sec warmup 17 sec latency 2244.398 ms 12:59:05 (1788800345) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 513 0.98 MB/sec warmup 18 sec latency 3245.442 ms 1 513 0.93 MB/sec warmup 19 sec latency 4246.269 ms 1 513 0.00 MB/sec execute 1 sec latency 6253.051 ms 1 513 0.00 MB/sec execute 2 sec latency 7256.017 ms 1 513 0.00 MB/sec execute 3 sec latency 8257.835 ms 1 513 0.00 MB/sec execute 4 sec latency 9258.125 ms 1 513 0.00 MB/sec execute 5 sec latency 10258.373 ms 1 513 0.00 MB/sec execute 6 sec latency 11258.642 ms 1 513 0.00 MB/sec execute 7 sec latency 12258.904 ms Failover mds1 to oleg420-server 1 513 0.00 MB/sec execute 8 sec latency 13260.310 ms mount facets: mds1 1 513 0.00 MB/sec execute 9 sec latency 14261.217 ms 1 513 0.00 MB/sec execute 10 sec latency 15262.856 ms 1 513 0.00 MB/sec execute 11 sec latency 16263.182 ms 1 513 0.00 MB/sec execute 12 sec latency 17263.421 ms 1 513 0.00 MB/sec execute 13 sec latency 18263.732 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 513 0.00 MB/sec execute 14 sec latency 19263.978 ms 1 513 0.00 MB/sec execute 15 sec latency 20264.675 ms 1 513 0.00 MB/sec execute 16 sec latency 21265.749 ms 1 513 0.00 MB/sec execute 17 sec latency 22266.214 ms 1 513 0.00 MB/sec execute 18 sec latency 23268.471 ms 1 513 0.00 MB/sec execute 19 sec latency 24268.853 ms 1 513 0.00 MB/sec execute 20 sec latency 25269.047 ms 1 513 0.00 MB/sec execute 21 sec latency 26270.363 ms 1 513 0.00 MB/sec execute 22 sec latency 27271.372 ms 1 513 0.00 MB/sec execute 23 sec latency 28273.517 ms 1 513 0.00 MB/sec execute 24 sec latency 29273.761 ms 1 513 0.00 MB/sec execute 25 sec latency 30277.479 ms 1 513 0.00 MB/sec execute 26 sec latency 31277.871 ms 1 513 0.00 MB/sec execute 27 sec latency 32281.671 ms 1 513 0.00 MB/sec execute 28 sec latency 33282.047 ms 1 513 0.00 MB/sec execute 29 sec latency 34284.526 ms 1 513 0.00 MB/sec execute 30 sec latency 35284.751 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 513 0.00 MB/sec execute 31 sec latency 36286.104 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 513 0.00 MB/sec execute 32 sec latency 37288.921 ms Started lustre-MDT0000 12:59:40 (1788800380) targets are mounted 12:59:40 (1788800380) facet_failover done 1 513 0.00 MB/sec execute 33 sec latency 38289.144 ms 1 513 0.00 MB/sec execute 34 sec latency 39289.365 ms 1 513 0.00 MB/sec execute 35 sec latency 40289.857 ms 1 513 0.00 MB/sec execute 36 sec latency 41293.628 ms 1 513 0.00 MB/sec execute 37 sec latency 42293.820 ms 1 513 0.00 MB/sec execute 38 sec latency 43294.235 ms 1 534 0.02 MB/sec execute 39 sec latency 43804.851 ms 1 606 0.08 MB/sec execute 40 sec latency 192.216 ms 1 654 0.08 MB/sec execute 41 sec latency 173.814 ms 1 671 0.08 MB/sec execute 42 sec latency 270.768 ms 1 699 0.08 MB/sec execute 43 sec latency 136.957 ms 1 721 0.08 MB/sec execute 44 sec latency 207.054 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 740 0.08 MB/sec execute 45 sec latency 216.489 ms 1 778 0.08 MB/sec execute 46 sec latency 117.004 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.08 MB/sec execute 47 sec latency 352.005 ms 1 814 0.08 MB/sec execute 48 sec latency 137.555 ms 1 867 0.08 MB/sec execute 49 sec latency 132.975 ms 1 892 0.08 MB/sec execute 50 sec latency 263.132 ms 1 916 0.08 MB/sec execute 51 sec latency 219.254 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 964 0.08 MB/sec execute 52 sec latency 127.492 ms 1 986 0.08 MB/sec execute 53 sec latency 193.143 ms 1 1060 0.10 MB/sec execute 54 sec latency 97.297 ms 1 1124 0.10 MB/sec execute 55 sec latency 102.189 ms 1 1172 0.09 MB/sec execute 56 sec latency 90.429 ms 1 1207 0.09 MB/sec execute 57 sec latency 134.894 ms 1 1231 0.09 MB/sec execute 58 sec latency 223.929 ms 1 1260 0.09 MB/sec execute 59 sec latency 266.189 ms 1 1386 0.14 MB/sec execute 60 sec latency 98.557 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1419 0.14 MB/sec execute 61 sec latency 85.677 ms stopping dbench on /mnt/lustre at Mon Sep 7 13:00:08 EDT 2026 with return code 0 47198 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47198 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished