== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:28:05 (1786404485) Starting client oleg135-client.virtnet: -o user_xattr,flock 192.168.201.135@tcp:/lustre /mnt/lustre Started clients oleg135-client.virtnet: 192.168.201.135@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 45010 Started dbench loop with 45011 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 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3739648 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7501824 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 Aug 10 19:28:12 EDT 2026 waiting for dbench pid 45080 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 11 0.00 MB/sec warmup 1 sec latency 7.513 ms 1 48 0.98 MB/sec warmup 2 sec latency 223.135 ms 1 89 1.37 MB/sec warmup 3 sec latency 177.504 ms 1 119 1.36 MB/sec warmup 4 sec latency 244.229 ms 1 153 1.29 MB/sec warmup 5 sec latency 138.821 ms test_26 fail mds1 1 times 1 180 1.22 MB/sec warmup 6 sec latency 155.045 ms 1 199 1.12 MB/sec warmup 7 sec latency 179.790 ms 1 216 1.04 MB/sec warmup 8 sec latency 287.996 ms Failing mds1 on oleg135-server 1 240 1.01 MB/sec warmup 9 sec latency 171.890 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 271 1.02 MB/sec warmup 10 sec latency 125.723 ms 1 287 0.97 MB/sec warmup 11 sec latency 368.489 ms 1 287 0.89 MB/sec warmup 12 sec latency 1368.739 ms 1 287 0.82 MB/sec warmup 13 sec latency 2369.307 ms 19:28:26 (1786404506) shut down 1 287 0.76 MB/sec warmup 14 sec latency 3369.787 ms facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 287 0.71 MB/sec warmup 15 sec latency 4370.064 ms 1 287 0.67 MB/sec warmup 16 sec latency 5370.661 ms 1 287 0.63 MB/sec warmup 17 sec latency 6371.070 ms 1 287 0.59 MB/sec warmup 18 sec latency 7371.297 ms 1 287 0.56 MB/sec warmup 19 sec latency 8371.497 ms 1 287 0.00 MB/sec execute 1 sec latency 10372.797 ms 1 287 0.00 MB/sec execute 2 sec latency 11372.999 ms 1 287 0.00 MB/sec execute 3 sec latency 12373.229 ms 1 287 0.00 MB/sec execute 4 sec latency 13373.526 ms Failover mds1 to oleg135-server mount facets: mds1 1 287 0.00 MB/sec execute 5 sec latency 14374.415 ms 1 287 0.00 MB/sec execute 6 sec latency 15374.646 ms 1 287 0.00 MB/sec execute 7 sec latency 16374.925 ms 1 287 0.00 MB/sec execute 8 sec latency 17381.255 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 287 0.00 MB/sec execute 9 sec latency 18381.523 ms 1 287 0.00 MB/sec execute 10 sec latency 19381.802 ms 1 287 0.00 MB/sec execute 11 sec latency 20395.355 ms 1 287 0.00 MB/sec execute 12 sec latency 21398.303 ms 1 287 0.00 MB/sec execute 13 sec latency 22398.551 ms 1 287 0.00 MB/sec execute 14 sec latency 23398.928 ms 1 287 0.00 MB/sec execute 15 sec latency 24399.127 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 287 0.00 MB/sec execute 16 sec latency 25401.122 ms 1 287 0.00 MB/sec execute 17 sec latency 26401.360 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 287 0.00 MB/sec execute 18 sec latency 27403.106 ms Started lustre-MDT0000 19:28:51 (1786404531) targets are mounted 19:28:51 (1786404531) facet_failover done 1 287 0.00 MB/sec execute 19 sec latency 28403.341 ms 1 287 0.00 MB/sec execute 20 sec latency 29406.356 ms 1 287 0.00 MB/sec execute 21 sec latency 30406.649 ms 1 287 0.00 MB/sec execute 22 sec latency 31410.294 ms 1 287 0.00 MB/sec execute 23 sec latency 32410.616 ms 1 287 0.00 MB/sec execute 24 sec latency 33414.747 ms 1 287 0.00 MB/sec execute 25 sec latency 34415.099 ms 1 287 0.00 MB/sec execute 26 sec latency 35415.429 ms 1 287 0.00 MB/sec execute 27 sec latency 36415.805 ms 1 287 0.00 MB/sec execute 28 sec latency 37419.362 ms 1 287 0.00 MB/sec execute 29 sec latency 38427.096 ms 1 288 0.00 MB/sec execute 30 sec latency 39411.193 ms 1 315 0.03 MB/sec execute 31 sec latency 312.380 ms 1 349 0.06 MB/sec execute 32 sec latency 150.740 ms 1 390 0.09 MB/sec execute 33 sec latency 105.838 ms 1 429 0.13 MB/sec execute 34 sec latency 135.560 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 468 0.16 MB/sec execute 35 sec latency 131.593 ms 1 493 0.18 MB/sec execute 36 sec latency 161.447 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 522 0.20 MB/sec execute 37 sec latency 205.829 ms 1 603 0.27 MB/sec execute 38 sec latency 184.429 ms 1 651 0.27 MB/sec execute 39 sec latency 118.503 ms 1 674 0.26 MB/sec execute 40 sec latency 297.441 ms 1 710 0.26 MB/sec execute 41 sec latency 116.383 ms 1 743 0.25 MB/sec execute 42 sec latency 166.176 ms 1 789 0.25 MB/sec execute 43 sec latency 116.566 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3695616 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3666944 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7362560 1% /mnt/lustre 1 806 0.24 MB/sec execute 44 sec latency 267.544 ms 1 851 0.24 MB/sec execute 45 sec latency 120.877 ms 1 874 0.24 MB/sec execute 46 sec latency 360.115 ms 1 898 0.23 MB/sec execute 47 sec latency 167.677 ms 1 918 0.23 MB/sec execute 48 sec latency 242.801 ms 1 955 0.23 MB/sec execute 49 sec latency 114.835 ms 1 980 0.22 MB/sec execute 50 sec latency 182.893 ms test_26 fail mds1 2 times 1 1007 0.22 MB/sec execute 51 sec latency 246.785 ms 1 1059 0.23 MB/sec execute 52 sec latency 109.542 ms Failing mds1 on oleg135-server 1 1092 0.23 MB/sec execute 53 sec latency 118.502 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 1134 0.23 MB/sec execute 54 sec latency 97.141 ms 1 1147 0.22 MB/sec execute 55 sec latency 627.945 ms 1 1147 0.22 MB/sec execute 56 sec latency 1631.900 ms 1 1147 0.22 MB/sec execute 57 sec latency 2634.300 ms 19:29:30 (1786404570) shut down 1 1147 0.21 MB/sec execute 58 sec latency 3637.646 ms facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 1147 0.21 MB/sec execute 59 sec latency 4638.044 ms 1 1147 0.20 MB/sec execute 60 sec latency 5638.460 ms 1 1147 0.20 MB/sec execute 61 sec latency 6642.060 ms 1 1147 0.20 MB/sec execute 62 sec latency 7642.714 ms 1 1147 0.19 MB/sec execute 63 sec latency 8645.435 ms 1 1147 0.19 MB/sec execute 64 sec latency 9645.776 ms 1 1147 0.19 MB/sec execute 65 sec latency 10646.302 ms 1 1147 0.19 MB/sec execute 66 sec latency 11646.630 ms 1 1147 0.18 MB/sec execute 67 sec latency 12646.978 ms 1 1147 0.18 MB/sec execute 68 sec latency 13647.728 ms Failover mds1 to oleg135-server mount facets: mds1 1 1147 0.18 MB/sec execute 69 sec latency 14647.952 ms 1 1147 0.18 MB/sec execute 70 sec latency 15650.288 ms 1 1147 0.17 MB/sec execute 71 sec latency 16650.898 ms 1 1147 0.17 MB/sec execute 72 sec latency 17652.508 ms 1 1147 0.17 MB/sec execute 73 sec latency 18656.095 ms 1 1147 0.17 MB/sec execute 74 sec latency 19656.706 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1147 0.16 MB/sec execute 75 sec latency 20658.829 ms 1 1147 0.16 MB/sec execute 76 sec latency 21659.223 ms 1 1147 0.16 MB/sec execute 77 sec latency 22660.427 ms 1 1147 0.16 MB/sec execute 78 sec latency 23660.737 ms 1 1147 0.16 MB/sec execute 79 sec latency 24661.125 ms 1 1147 0.15 MB/sec execute 80 sec latency 25664.383 ms 1 1147 0.15 MB/sec execute 81 sec latency 26666.923 ms 1 1147 0.15 MB/sec execute 82 sec latency 27667.960 ms 1 1147 0.15 MB/sec execute 83 sec latency 28668.313 ms 1 1147 0.15 MB/sec execute 84 sec latency 29668.528 ms 1 1147 0.14 MB/sec execute 85 sec latency 30672.775 ms 1 1147 0.14 MB/sec execute 86 sec latency 31673.120 ms 1 1147 0.14 MB/sec execute 87 sec latency 32673.651 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 1147 0.14 MB/sec execute 88 sec latency 33674.101 ms 1 1147 0.14 MB/sec execute 89 sec latency 34674.474 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 1147 0.14 MB/sec execute 90 sec latency 35674.707 ms Started lustre-MDT0000 1 1147 0.13 MB/sec execute 91 sec latency 36682.356 ms 19:30:04 (1786404604) targets are mounted 19:30:04 (1786404604) facet_failover done 1 1147 0.13 MB/sec execute 92 sec latency 37682.600 ms 1 1147 0.13 MB/sec execute 93 sec latency 38682.952 ms 1 1147 0.13 MB/sec execute 94 sec latency 39692.603 ms 1 1147 0.13 MB/sec execute 95 sec latency 40692.947 ms 1 1154 0.13 MB/sec execute 96 sec latency 41404.640 ms 1 1188 0.13 MB/sec execute 97 sec latency 91.493 ms 1 1221 0.13 MB/sec execute 98 sec latency 171.827 ms 1 1262 0.13 MB/sec execute 99 sec latency 167.338 ms 1 cleanup 100 sec oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 104 sec 0 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 145 352.323 39411.176 Close 135 13.894 54.031 Rename 10 4244.615 41404.616 Unlink 17 33.999 59.578 Qpathinfo 91 30.618 196.198 Qfileinfo 59 2.751 23.654 Qfsinfo 33 3.589 16.602 Sfileinfo 34 66.445 143.768 Find 44 8.988 65.039 WriteX 282 14.523 68.718 ReadX 219 3.008 99.820 Flush 24 128.118 360.093 Throughput 0.125082 MB/sec 1 clients 1 procs max_latency=41404.640 ms stopping dbench on /mnt/lustre at Mon Aug 10 19:30:18 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3728384 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 23552 7460864 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 Aug 10 19:30:28 EDT 2026 waiting for dbench pid 47099 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 23 0.59 MB/sec warmup 1 sec latency 19.118 ms 1 68 1.51 MB/sec warmup 2 sec latency 153.531 ms 1 91 1.40 MB/sec warmup 3 sec latency 287.245 ms 1 113 1.31 MB/sec warmup 4 sec latency 375.286 ms 1 141 1.20 MB/sec warmup 5 sec latency 152.934 ms test_26 fail mds1 3 times 1 161 1.10 MB/sec warmup 6 sec latency 261.202 ms 1 181 1.05 MB/sec warmup 7 sec latency 234.832 ms 1 190 0.95 MB/sec warmup 8 sec latency 364.515 ms Failing mds1 on oleg135-server 1 210 0.90 MB/sec warmup 9 sec latency 211.780 ms 1 234 0.89 MB/sec warmup 10 sec latency 199.644 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 259 0.88 MB/sec warmup 11 sec latency 204.544 ms 1 284 0.88 MB/sec warmup 12 sec latency 149.492 ms 1 296 0.84 MB/sec warmup 13 sec latency 257.479 ms 1 296 0.78 MB/sec warmup 14 sec latency 1173.539 ms 1 296 0.73 MB/sec warmup 15 sec latency 2175.000 ms 1 296 0.68 MB/sec warmup 16 sec latency 3175.318 ms 19:30:44 (1786404644) shut down facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 296 0.64 MB/sec warmup 17 sec latency 4175.938 ms 1 296 0.61 MB/sec warmup 18 sec latency 5176.103 ms 1 296 0.58 MB/sec warmup 19 sec latency 6177.655 ms 1 296 0.00 MB/sec execute 1 sec latency 8178.789 ms 1 296 0.00 MB/sec execute 2 sec latency 9179.020 ms 1 296 0.00 MB/sec execute 3 sec latency 10180.360 ms 1 296 0.00 MB/sec execute 4 sec latency 11180.637 ms 1 296 0.00 MB/sec execute 5 sec latency 12181.873 ms 1 296 0.00 MB/sec execute 6 sec latency 13182.292 ms Failover mds1 to oleg135-server 1 296 0.00 MB/sec execute 7 sec latency 14186.141 ms mount facets: mds1 1 296 0.00 MB/sec execute 8 sec latency 15186.352 ms 1 296 0.00 MB/sec execute 9 sec latency 16187.112 ms 1 296 0.00 MB/sec execute 10 sec latency 17187.699 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 11 sec latency 18187.886 ms 1 296 0.00 MB/sec execute 12 sec latency 19188.142 ms 1 296 0.00 MB/sec execute 13 sec latency 20188.653 ms 1 296 0.00 MB/sec execute 14 sec latency 21188.849 ms 1 296 0.00 MB/sec execute 15 sec latency 22189.601 ms 1 296 0.00 MB/sec execute 16 sec latency 23189.868 ms 1 296 0.00 MB/sec execute 17 sec latency 24190.368 ms 1 296 0.00 MB/sec execute 18 sec latency 25194.517 ms 1 296 0.00 MB/sec execute 19 sec latency 26194.820 ms 1 296 0.00 MB/sec execute 20 sec latency 27195.347 ms 1 296 0.00 MB/sec execute 21 sec latency 28196.277 ms 1 296 0.00 MB/sec execute 22 sec latency 29198.172 ms 1 296 0.00 MB/sec execute 23 sec latency 30198.430 ms 1 296 0.00 MB/sec execute 24 sec latency 31199.132 ms 1 296 0.00 MB/sec execute 25 sec latency 32200.285 ms 1 296 0.00 MB/sec execute 26 sec latency 33200.703 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 27 sec latency 34201.330 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 28 sec latency 35203.568 ms Started lustre-MDT0000 19:31:17 (1786404677) targets are mounted 19:31:17 (1786404677) facet_failover done 1 296 0.00 MB/sec execute 29 sec latency 36208.430 ms 1 296 0.00 MB/sec execute 30 sec latency 37214.580 ms 1 297 0.00 MB/sec execute 31 sec latency 38054.134 ms 1 324 0.02 MB/sec execute 32 sec latency 283.680 ms 1 361 0.06 MB/sec execute 33 sec latency 165.466 ms 1 389 0.08 MB/sec execute 34 sec latency 226.503 ms 1 419 0.11 MB/sec execute 35 sec latency 162.730 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 445 0.13 MB/sec execute 36 sec latency 183.402 ms 1 467 0.15 MB/sec execute 37 sec latency 200.829 ms 1 494 0.16 MB/sec execute 38 sec latency 169.373 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 511 0.17 MB/sec execute 39 sec latency 327.930 ms 1 538 0.20 MB/sec execute 40 sec latency 216.990 ms 1 603 0.24 MB/sec execute 41 sec latency 219.221 ms 1 640 0.24 MB/sec execute 42 sec latency 131.306 ms 1 671 0.24 MB/sec execute 43 sec latency 222.603 ms 1 697 0.23 MB/sec execute 44 sec latency 183.515 ms 1 726 0.23 MB/sec execute 45 sec latency 189.538 ms 1 749 0.22 MB/sec execute 46 sec latency 130.397 ms 1 781 0.22 MB/sec execute 47 sec latency 142.865 ms 1 799 0.22 MB/sec execute 48 sec latency 228.841 ms 1 825 0.21 MB/sec execute 49 sec latency 120.682 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 873 0.21 MB/sec execute 50 sec latency 225.025 ms 1 903 0.21 MB/sec execute 51 sec latency 233.361 ms 1 923 0.21 MB/sec execute 52 sec latency 254.807 ms 1 959 0.20 MB/sec execute 53 sec latency 144.966 ms 1 980 0.20 MB/sec execute 54 sec latency 285.521 ms 1 1006 0.20 MB/sec execute 55 sec latency 380.989 ms 1 1059 0.21 MB/sec execute 56 sec latency 100.225 ms 1 1105 0.21 MB/sec execute 57 sec latency 86.464 ms 1 1145 0.21 MB/sec execute 58 sec latency 172.154 ms 1 1181 0.20 MB/sec execute 59 sec latency 90.237 ms 1 1215 0.20 MB/sec execute 60 sec latency 116.298 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 10 19:31:49 EDT 2026 with return code 0 1 1240 0.20 MB/sec execute 61 sec latency 132.495 ms 47099 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47099 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished