== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:23:18 (1788621798) Starting client oleg253-client.virtnet: -o user_xattr,flock 192.168.202.153@tcp:/lustre /mnt/lustre Started clients oleg253-client.virtnet: 192.168.202.153@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 45255 Started dbench loop with 45257 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 10240 3742720 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7502848 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 Sat Sep 5 11:23:26 EDT 2026 waiting for dbench pid 45333 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 14 0.00 MB/sec warmup 1 sec latency 52.854 ms 1 64 1.37 MB/sec warmup 2 sec latency 181.337 ms 1 112 1.74 MB/sec warmup 3 sec latency 275.839 ms 1 139 1.50 MB/sec warmup 4 sec latency 229.408 ms test_26 fail mds1 1 times 1 157 1.30 MB/sec warmup 5 sec latency 239.273 ms 1 184 1.23 MB/sec warmup 6 sec latency 188.597 ms Failing mds1 on oleg253-server 1 207 1.15 MB/sec warmup 7 sec latency 219.167 ms 1 236 1.12 MB/sec warmup 8 sec latency 185.907 ms Stopping /mnt/lustre-mds1 (opts:) on oleg253-server 1 262 1.10 MB/sec warmup 9 sec latency 163.943 ms 1 278 1.04 MB/sec warmup 10 sec latency 295.304 ms 1 278 0.95 MB/sec warmup 11 sec latency 1295.927 ms 1 278 0.87 MB/sec warmup 12 sec latency 2296.399 ms 1 278 0.80 MB/sec warmup 13 sec latency 3296.714 ms 11:23:40 (1788621820) shut down facet: mds1 facet_host: oleg253-server facet_failover_host: oleg253-server 1 278 0.74 MB/sec warmup 14 sec latency 4297.825 ms 1 278 0.69 MB/sec warmup 15 sec latency 5298.030 ms 1 278 0.65 MB/sec warmup 16 sec latency 6298.916 ms 1 278 0.61 MB/sec warmup 17 sec latency 7299.317 ms 1 278 0.58 MB/sec warmup 18 sec latency 8299.553 ms 1 278 0.55 MB/sec warmup 19 sec latency 9300.881 ms 1 278 0.00 MB/sec execute 1 sec latency 11301.322 ms 1 278 0.00 MB/sec execute 2 sec latency 12302.324 ms 1 278 0.00 MB/sec execute 3 sec latency 13302.707 ms Failover mds1 to oleg253-server mount facets: mds1 1 278 0.00 MB/sec execute 4 sec latency 14302.981 ms 1 278 0.00 MB/sec execute 5 sec latency 15307.836 ms 1 278 0.00 MB/sec execute 6 sec latency 16308.191 ms 1 278 0.00 MB/sec execute 7 sec latency 17308.452 ms 1 278 0.00 MB/sec execute 8 sec latency 18308.893 ms 1 278 0.00 MB/sec execute 9 sec latency 19309.315 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 278 0.00 MB/sec execute 10 sec latency 20309.707 ms 1 278 0.00 MB/sec execute 11 sec latency 21310.020 ms 1 278 0.00 MB/sec execute 12 sec latency 22310.423 ms 1 278 0.00 MB/sec execute 13 sec latency 23310.686 ms 1 278 0.00 MB/sec execute 14 sec latency 24311.781 ms 1 278 0.00 MB/sec execute 15 sec latency 25313.498 ms 1 278 0.00 MB/sec execute 16 sec latency 26313.717 ms 1 278 0.00 MB/sec execute 17 sec latency 27314.025 ms 1 278 0.00 MB/sec execute 18 sec latency 28316.716 ms 1 278 0.00 MB/sec execute 19 sec latency 29318.040 ms 1 278 0.00 MB/sec execute 20 sec latency 30322.998 ms 1 278 0.00 MB/sec execute 21 sec latency 31323.267 ms 1 278 0.00 MB/sec execute 22 sec latency 32326.544 ms 1 278 0.00 MB/sec execute 23 sec latency 33326.790 ms 1 278 0.00 MB/sec execute 24 sec latency 34327.106 ms oleg253-server: oleg253-server.virtnet: executing set_default_debug -1 all 1 278 0.00 MB/sec execute 25 sec latency 35332.946 ms pdsh@oleg253-client: oleg253-server: ssh exited with exit code 1 1 278 0.00 MB/sec execute 26 sec latency 36335.079 ms Started lustre-MDT0000 11:24:13 (1788621853) targets are mounted 11:24:13 (1788621853) facet_failover done 1 278 0.00 MB/sec execute 27 sec latency 37335.332 ms 1 278 0.00 MB/sec execute 28 sec latency 38336.257 ms 1 278 0.00 MB/sec execute 29 sec latency 39336.653 ms 1 278 0.00 MB/sec execute 30 sec latency 40336.838 ms 1 278 0.00 MB/sec execute 31 sec latency 41337.801 ms 1 278 0.00 MB/sec execute 32 sec latency 42346.441 ms 1 279 0.00 MB/sec execute 33 sec latency 43053.811 ms 1 313 0.03 MB/sec execute 34 sec latency 404.218 ms 1 345 0.05 MB/sec execute 35 sec latency 153.766 ms 1 381 0.09 MB/sec execute 36 sec latency 135.299 ms 1 420 0.12 MB/sec execute 37 sec latency 121.127 ms oleg253-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 460 0.15 MB/sec execute 38 sec latency 158.423 ms 1 488 0.17 MB/sec execute 39 sec latency 222.490 ms 1 513 0.18 MB/sec execute 40 sec latency 234.587 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 600 0.26 MB/sec execute 41 sec latency 166.991 ms 1 649 0.25 MB/sec execute 42 sec latency 134.119 ms 1 671 0.25 MB/sec execute 43 sec latency 343.822 ms 1 692 0.24 MB/sec execute 44 sec latency 152.602 ms 1 717 0.24 MB/sec execute 45 sec latency 168.864 ms 1 730 0.24 MB/sec execute 46 sec latency 374.344 ms 1 765 0.23 MB/sec execute 47 sec latency 118.197 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3700736 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3691520 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7392256 1% /mnt/lustre 1 786 0.23 MB/sec execute 48 sec latency 196.324 ms 1 796 0.22 MB/sec execute 49 sec latency 450.930 ms 1 808 0.22 MB/sec execute 50 sec latency 251.131 ms 1 848 0.22 MB/sec execute 51 sec latency 167.659 ms 1 873 0.22 MB/sec execute 52 sec latency 181.756 ms 1 890 0.21 MB/sec execute 53 sec latency 178.930 ms 1 914 0.21 MB/sec execute 54 sec latency 203.029 ms 1 952 0.21 MB/sec execute 55 sec latency 109.774 ms test_26 fail mds1 2 times 1 980 0.20 MB/sec execute 56 sec latency 164.696 ms 1 988 0.20 MB/sec execute 57 sec latency 455.260 ms 1 1039 0.21 MB/sec execute 58 sec latency 173.428 ms Failing mds1 on oleg253-server 1 1067 0.21 MB/sec execute 59 sec latency 127.064 ms 1 1099 0.21 MB/sec execute 60 sec latency 138.893 ms Stopping /mnt/lustre-mds1 (opts:) on oleg253-server 1 1130 0.21 MB/sec execute 61 sec latency 148.808 ms 1 1142 0.20 MB/sec execute 62 sec latency 492.986 ms 1 1142 0.20 MB/sec execute 63 sec latency 1494.360 ms 1 1142 0.20 MB/sec execute 64 sec latency 2494.694 ms 1 1142 0.19 MB/sec execute 65 sec latency 3495.697 ms 11:24:52 (1788621892) shut down facet: mds1 facet_host: oleg253-server facet_failover_host: oleg253-server 1 1142 0.19 MB/sec execute 66 sec latency 4497.476 ms 1 1142 0.19 MB/sec execute 67 sec latency 5499.084 ms 1 1142 0.18 MB/sec execute 68 sec latency 6501.950 ms 1 1142 0.18 MB/sec execute 69 sec latency 7502.160 ms 1 1142 0.18 MB/sec execute 70 sec latency 8508.398 ms 1 1142 0.18 MB/sec execute 71 sec latency 9508.726 ms 1 1142 0.17 MB/sec execute 72 sec latency 10508.992 ms 1 1142 0.17 MB/sec execute 73 sec latency 11509.909 ms 1 1142 0.17 MB/sec execute 74 sec latency 12511.229 ms 1 1142 0.17 MB/sec execute 75 sec latency 13513.781 ms Failover mds1 to oleg253-server 1 1142 0.16 MB/sec execute 76 sec latency 14516.470 ms mount facets: mds1 1 1142 0.16 MB/sec execute 77 sec latency 15518.450 ms 1 1142 0.16 MB/sec execute 78 sec latency 16518.730 ms 1 1142 0.16 MB/sec execute 79 sec latency 17519.240 ms 1 1142 0.16 MB/sec execute 80 sec latency 18519.534 ms 1 1142 0.15 MB/sec execute 81 sec latency 19520.087 ms 1 1142 0.15 MB/sec execute 82 sec latency 20520.529 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1142 0.15 MB/sec execute 83 sec latency 21520.818 ms 1 1142 0.15 MB/sec execute 84 sec latency 22521.606 ms 1 1142 0.15 MB/sec execute 85 sec latency 23521.888 ms 1 1142 0.15 MB/sec execute 86 sec latency 24522.234 ms 1 1142 0.14 MB/sec execute 87 sec latency 25523.744 ms 1 1142 0.14 MB/sec execute 88 sec latency 26524.068 ms 1 1142 0.14 MB/sec execute 89 sec latency 27525.529 ms 1 1142 0.14 MB/sec execute 90 sec latency 28528.503 ms 1 1142 0.14 MB/sec execute 91 sec latency 29529.293 ms 1 1142 0.14 MB/sec execute 92 sec latency 30529.571 ms 1 1142 0.13 MB/sec execute 93 sec latency 31531.401 ms 1 1142 0.13 MB/sec execute 94 sec latency 32534.753 ms 1 1142 0.13 MB/sec execute 95 sec latency 33535.090 ms 1 1142 0.13 MB/sec execute 96 sec latency 34537.306 ms 1 1142 0.13 MB/sec execute 97 sec latency 35538.730 ms oleg253-server: oleg253-server.virtnet: executing set_default_debug -1 all 1 1142 0.13 MB/sec execute 98 sec latency 36538.991 ms pdsh@oleg253-client: oleg253-server: ssh exited with exit code 1 1 1142 0.13 MB/sec execute 99 sec latency 37539.303 ms Started lustre-MDT0000 11:25:26 (1788621926) targets are mounted 11:25:26 (1788621926) facet_failover done 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 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 123 99.847 404.196 Close 116 759.146 43148.798 Rename 6 154.431 196.290 Unlink 12 41.242 72.413 Qpathinfo 57 35.794 142.126 Qfileinfo 56 1.440 7.580 Qfsinfo 26 5.420 18.412 Sfileinfo 23 85.498 151.231 Find 32 7.634 54.997 WriteX 276 13.627 65.659 ReadX 114 6.351 148.796 Flush 24 180.012 455.242 Throughput 0.126586 MB/sec 1 clients 1 procs max_latency=43053.811 ms stopping dbench on /mnt/lustre at Sat Sep 5 11:25:36 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg253-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 Sat Sep 5 11:25:45 EDT 2026 waiting for dbench pid 47270 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 11 0.00 MB/sec warmup 1 sec latency 4.614 ms 1 44 0.85 MB/sec warmup 2 sec latency 169.787 ms 1 108 1.70 MB/sec warmup 3 sec latency 183.984 ms 1 122 1.37 MB/sec warmup 4 sec latency 271.004 ms 1 143 1.21 MB/sec warmup 5 sec latency 244.843 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 49152 3688448 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 6144 3759104 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7447552 1% /mnt/lustre 1 165 1.13 MB/sec warmup 6 sec latency 283.447 ms 1 188 1.08 MB/sec warmup 7 sec latency 250.918 ms 1 215 1.04 MB/sec warmup 8 sec latency 204.840 ms 1 255 1.07 MB/sec warmup 9 sec latency 144.435 ms 1 305 1.12 MB/sec warmup 10 sec latency 130.715 ms 1 330 1.09 MB/sec warmup 11 sec latency 249.880 ms test_26 fail mds1 3 times 1 357 1.06 MB/sec warmup 12 sec latency 248.046 ms 1 382 1.04 MB/sec warmup 13 sec latency 173.652 ms Failing mds1 on oleg253-server 1 405 1.02 MB/sec warmup 14 sec latency 195.116 ms 1 436 1.02 MB/sec warmup 15 sec latency 240.706 ms Stopping /mnt/lustre-mds1 (opts:) on oleg253-server 1 476 1.04 MB/sec warmup 16 sec latency 120.449 ms 1 500 1.02 MB/sec warmup 17 sec latency 159.924 ms 1 500 0.97 MB/sec warmup 18 sec latency 1142.224 ms 1 500 0.92 MB/sec warmup 19 sec latency 2146.723 ms 11:26:06 (1788621966) shut down facet: mds1 facet_host: oleg253-server facet_failover_host: oleg253-server 1 500 0.00 MB/sec execute 1 sec latency 4150.083 ms 1 500 0.00 MB/sec execute 2 sec latency 5150.377 ms 1 500 0.00 MB/sec execute 3 sec latency 6152.754 ms 1 500 0.00 MB/sec execute 4 sec latency 7153.216 ms 1 500 0.00 MB/sec execute 5 sec latency 8153.604 ms 1 500 0.00 MB/sec execute 6 sec latency 9153.894 ms 1 500 0.00 MB/sec execute 7 sec latency 10159.123 ms 1 500 0.00 MB/sec execute 8 sec latency 11164.227 ms 1 500 0.00 MB/sec execute 9 sec latency 12165.845 ms 1 500 0.00 MB/sec execute 10 sec latency 13166.158 ms Failover mds1 to oleg253-server mount facets: mds1 1 500 0.00 MB/sec execute 11 sec latency 14168.008 ms 1 500 0.00 MB/sec execute 12 sec latency 15168.401 ms 1 500 0.00 MB/sec execute 13 sec latency 16171.261 ms 1 500 0.00 MB/sec execute 14 sec latency 17171.486 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 500 0.00 MB/sec execute 15 sec latency 18175.865 ms 1 500 0.00 MB/sec execute 16 sec latency 19176.158 ms 1 500 0.00 MB/sec execute 17 sec latency 20176.490 ms 1 500 0.00 MB/sec execute 18 sec latency 21176.840 ms 1 500 0.00 MB/sec execute 19 sec latency 22177.132 ms 1 500 0.00 MB/sec execute 20 sec latency 23177.388 ms 1 500 0.00 MB/sec execute 21 sec latency 24178.254 ms 1 500 0.00 MB/sec execute 22 sec latency 25178.853 ms 1 500 0.00 MB/sec execute 23 sec latency 26182.194 ms 1 500 0.00 MB/sec execute 24 sec latency 27183.053 ms 1 500 0.00 MB/sec execute 25 sec latency 28183.309 ms 1 500 0.00 MB/sec execute 26 sec latency 29183.614 ms 1 500 0.00 MB/sec execute 27 sec latency 30184.273 ms 1 500 0.00 MB/sec execute 28 sec latency 31187.508 ms 1 500 0.00 MB/sec execute 29 sec latency 32187.770 ms 1 500 0.00 MB/sec execute 30 sec latency 33187.989 ms oleg253-server: oleg253-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 31 sec latency 34188.350 ms 1 500 0.00 MB/sec execute 32 sec latency 35188.676 ms pdsh@oleg253-client: oleg253-server: ssh exited with exit code 1 Started lustre-MDT0000 1 500 0.00 MB/sec execute 33 sec latency 36189.311 ms 11:26:38 (1788621998) targets are mounted 11:26:38 (1788621998) facet_failover done 1 500 0.00 MB/sec execute 34 sec latency 37189.608 ms 1 500 0.00 MB/sec execute 35 sec latency 38189.836 ms 1 500 0.00 MB/sec execute 36 sec latency 39191.675 ms 1 501 0.00 MB/sec execute 37 sec latency 40071.712 ms 1 526 0.02 MB/sec execute 38 sec latency 337.225 ms 1 612 0.09 MB/sec execute 39 sec latency 96.861 ms 1 664 0.09 MB/sec execute 40 sec latency 102.533 ms 1 689 0.09 MB/sec execute 41 sec latency 199.856 ms oleg253-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 718 0.09 MB/sec execute 42 sec latency 146.192 ms 1 733 0.09 MB/sec execute 43 sec latency 297.488 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 764 0.09 MB/sec execute 44 sec latency 158.489 ms 1 789 0.09 MB/sec execute 45 sec latency 128.011 ms 1 803 0.09 MB/sec execute 46 sec latency 254.349 ms 1 856 0.09 MB/sec execute 47 sec latency 107.845 ms 1 885 0.09 MB/sec execute 48 sec latency 247.826 ms 1 918 0.09 MB/sec execute 49 sec latency 148.850 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 967 0.09 MB/sec execute 50 sec latency 94.321 ms 1 990 0.09 MB/sec execute 51 sec latency 184.241 ms 1 1060 0.10 MB/sec execute 52 sec latency 86.209 ms 1 1126 0.10 MB/sec execute 53 sec latency 72.733 ms 1 1164 0.10 MB/sec execute 54 sec latency 90.038 ms 1 1219 0.10 MB/sec execute 55 sec latency 102.402 ms 1 1244 0.10 MB/sec execute 56 sec latency 174.112 ms 1 1384 0.15 MB/sec execute 57 sec latency 108.135 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 11:27:04 EDT 2026 with return code 0 1 1426 0.15 MB/sec execute 58 sec latency 91.934 ms 47270 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47270 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished