== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:37:04 (1783953424) Starting client oleg440-client.virtnet: -o user_xattr,flock 192.168.204.140@tcp:/lustre /mnt/lustre Started clients oleg440-client.virtnet: 192.168.204.140@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 45033 Started dbench loop with 45035 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 3738624 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 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 Jul 13 10:37:11 EDT 2026 waiting for dbench pid 45103 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 21.727 ms 1 66 1.44 MB/sec warmup 2 sec latency 205.468 ms 1 111 1.74 MB/sec warmup 3 sec latency 152.007 ms 1 139 1.50 MB/sec warmup 4 sec latency 212.136 ms test_26 fail mds1 1 times 1 173 1.41 MB/sec warmup 5 sec latency 129.327 ms 1 195 1.29 MB/sec warmup 6 sec latency 226.033 ms Failing mds1 on oleg440-server 1 224 1.23 MB/sec warmup 7 sec latency 156.956 ms Stopping /mnt/lustre-mds1 (opts:) on oleg440-server 1 262 1.24 MB/sec warmup 8 sec latency 159.217 ms 1 271 1.13 MB/sec warmup 9 sec latency 824.471 ms 1 271 1.02 MB/sec warmup 10 sec latency 1825.216 ms 1 271 0.92 MB/sec warmup 11 sec latency 2825.469 ms 10:37:22 (1783953442) shut down facet: mds1 facet_host: oleg440-server facet_failover_host: oleg440-server 1 271 0.85 MB/sec warmup 12 sec latency 3825.787 ms 1 271 0.78 MB/sec warmup 13 sec latency 4827.514 ms 1 271 0.73 MB/sec warmup 14 sec latency 5827.935 ms 1 271 0.68 MB/sec warmup 15 sec latency 6831.544 ms 1 271 0.64 MB/sec warmup 16 sec latency 7831.772 ms 1 271 0.60 MB/sec warmup 17 sec latency 8832.169 ms 1 271 0.56 MB/sec warmup 18 sec latency 9832.382 ms 1 271 0.54 MB/sec warmup 19 sec latency 10832.950 ms 1 271 0.00 MB/sec execute 1 sec latency 12833.402 ms Failover mds1 to oleg440-server mount facets: mds1 1 271 0.00 MB/sec execute 2 sec latency 13840.708 ms 1 271 0.00 MB/sec execute 3 sec latency 14840.888 ms 1 271 0.00 MB/sec execute 4 sec latency 15841.173 ms 1 271 0.00 MB/sec execute 5 sec latency 16841.842 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 271 0.00 MB/sec execute 6 sec latency 17842.128 ms 1 271 0.00 MB/sec execute 7 sec latency 18842.353 ms 1 271 0.00 MB/sec execute 8 sec latency 19842.849 ms 1 271 0.00 MB/sec execute 9 sec latency 20843.962 ms 1 271 0.00 MB/sec execute 10 sec latency 21844.317 ms 1 271 0.00 MB/sec execute 11 sec latency 22846.011 ms 1 271 0.00 MB/sec execute 12 sec latency 23846.310 ms oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 271 0.00 MB/sec execute 13 sec latency 24846.547 ms 1 271 0.00 MB/sec execute 14 sec latency 25846.726 ms pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 271 0.00 MB/sec execute 15 sec latency 26847.182 ms Started lustre-MDT0000 10:37:46 (1783953466) targets are mounted 10:37:46 (1783953466) facet_failover done 1 271 0.00 MB/sec execute 16 sec latency 27848.776 ms 1 271 0.00 MB/sec execute 17 sec latency 28849.525 ms 1 271 0.00 MB/sec execute 18 sec latency 29849.989 ms 1 271 0.00 MB/sec execute 19 sec latency 30850.278 ms 1 271 0.00 MB/sec execute 20 sec latency 31852.530 ms 1 271 0.00 MB/sec execute 21 sec latency 32854.083 ms 1 271 0.00 MB/sec execute 22 sec latency 33854.352 ms 1 271 0.00 MB/sec execute 23 sec latency 34855.396 ms 1 271 0.00 MB/sec execute 24 sec latency 35857.583 ms 1 271 0.00 MB/sec execute 25 sec latency 36857.996 ms 1 271 0.00 MB/sec execute 26 sec latency 37858.397 ms 1 287 0.02 MB/sec execute 27 sec latency 38314.976 ms 1 313 0.05 MB/sec execute 28 sec latency 176.829 ms 1 340 0.07 MB/sec execute 29 sec latency 183.882 ms 1 371 0.10 MB/sec execute 30 sec latency 182.002 ms 1 409 0.14 MB/sec execute 31 sec latency 140.544 ms 1 445 0.17 MB/sec execute 32 sec latency 164.836 ms oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 477 0.20 MB/sec execute 33 sec latency 130.566 ms 1 504 0.21 MB/sec execute 34 sec latency 163.816 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 542 0.25 MB/sec execute 35 sec latency 184.975 ms 1 616 0.30 MB/sec execute 36 sec latency 187.608 ms 1 660 0.30 MB/sec execute 37 sec latency 132.265 ms 1 678 0.29 MB/sec execute 38 sec latency 170.043 ms 1 711 0.28 MB/sec execute 39 sec latency 128.076 ms 1 733 0.28 MB/sec execute 40 sec latency 294.703 ms 1 767 0.27 MB/sec execute 41 sec latency 121.620 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3697664 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7404544 1% /mnt/lustre 1 789 0.27 MB/sec execute 42 sec latency 192.407 ms 1 803 0.26 MB/sec execute 43 sec latency 395.592 ms 1 845 0.26 MB/sec execute 44 sec latency 126.810 ms 1 873 0.25 MB/sec execute 45 sec latency 158.105 ms 1 897 0.25 MB/sec execute 46 sec latency 216.003 ms 1 918 0.25 MB/sec execute 47 sec latency 246.360 ms 1 952 0.24 MB/sec execute 48 sec latency 118.079 ms test_26 fail mds1 2 times 1 976 0.24 MB/sec execute 49 sec latency 211.465 ms 1 988 0.23 MB/sec execute 50 sec latency 330.058 ms Failing mds1 on oleg440-server 1 1041 0.25 MB/sec execute 51 sec latency 110.415 ms Stopping /mnt/lustre-mds1 (opts:) on oleg440-server 1 1081 0.24 MB/sec execute 52 sec latency 86.421 ms 1 1099 0.24 MB/sec execute 53 sec latency 600.563 ms 1 1099 0.24 MB/sec execute 54 sec latency 1603.590 ms 1 1099 0.23 MB/sec execute 55 sec latency 2604.139 ms 10:38:27 (1783953507) shut down facet: mds1 facet_host: oleg440-server facet_failover_host: oleg440-server 1 1099 0.23 MB/sec execute 56 sec latency 3604.292 ms 1 1099 0.22 MB/sec execute 57 sec latency 4604.555 ms 1 1099 0.22 MB/sec execute 58 sec latency 5605.235 ms 1 1099 0.22 MB/sec execute 59 sec latency 6605.542 ms 1 1099 0.21 MB/sec execute 60 sec latency 7606.808 ms 1 1099 0.21 MB/sec execute 61 sec latency 8607.250 ms 1 1099 0.21 MB/sec execute 62 sec latency 9607.554 ms 1 1099 0.20 MB/sec execute 63 sec latency 10619.990 ms 1 1099 0.20 MB/sec execute 64 sec latency 11620.438 ms 1 1099 0.20 MB/sec execute 65 sec latency 12624.735 ms 1 1099 0.19 MB/sec execute 66 sec latency 13625.386 ms Failover mds1 to oleg440-server mount facets: mds1 1 1099 0.19 MB/sec execute 67 sec latency 14625.647 ms 1 1099 0.19 MB/sec execute 68 sec latency 15625.935 ms 1 1099 0.18 MB/sec execute 69 sec latency 16626.323 ms 1 1099 0.18 MB/sec execute 70 sec latency 17626.947 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1099 0.18 MB/sec execute 71 sec latency 18627.162 ms 1 1099 0.18 MB/sec execute 72 sec latency 19631.690 ms 1 1099 0.17 MB/sec execute 73 sec latency 20633.374 ms 1 1099 0.17 MB/sec execute 74 sec latency 21634.179 ms 1 1099 0.17 MB/sec execute 75 sec latency 22634.508 ms 1 1099 0.17 MB/sec execute 76 sec latency 23634.813 ms 1 1099 0.17 MB/sec execute 77 sec latency 24635.192 ms 1 1099 0.16 MB/sec execute 78 sec latency 25635.621 ms 1 1099 0.16 MB/sec execute 79 sec latency 26636.839 ms 1 1099 0.16 MB/sec execute 80 sec latency 27641.843 ms 1 1099 0.16 MB/sec execute 81 sec latency 28643.459 ms 1 1099 0.16 MB/sec execute 82 sec latency 29645.898 ms 1 1099 0.15 MB/sec execute 83 sec latency 30652.141 ms 1 1099 0.15 MB/sec execute 84 sec latency 31652.658 ms 1 1099 0.15 MB/sec execute 85 sec latency 32653.037 ms 1 1099 0.15 MB/sec execute 86 sec latency 33655.800 ms 1 1099 0.15 MB/sec execute 87 sec latency 34656.481 ms 1 1099 0.14 MB/sec execute 88 sec latency 35656.886 ms 1 1099 0.14 MB/sec execute 89 sec latency 36657.143 ms oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 1099 0.14 MB/sec execute 90 sec latency 37657.389 ms pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 1099 0.14 MB/sec execute 91 sec latency 38662.268 ms 1 1099 0.14 MB/sec execute 92 sec latency 39667.166 ms Started lustre-MDT0000 10:39:04 (1783953544) targets are mounted 10:39:04 (1783953544) facet_failover done 1 1102 0.14 MB/sec execute 93 sec latency 40534.021 ms 1 1136 0.14 MB/sec execute 94 sec latency 113.939 ms 1 1156 0.13 MB/sec execute 95 sec latency 228.788 ms 1 1190 0.13 MB/sec execute 96 sec latency 90.137 ms 1 1224 0.13 MB/sec execute 97 sec latency 102.762 ms 1 1246 0.13 MB/sec execute 98 sec latency 181.168 ms 1 1268 0.13 MB/sec execute 99 sec latency 137.756 ms 1 cleanup 100 sec oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 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 Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 148 351.843 38314.958 Close 137 15.519 51.873 Rename 10 141.647 228.756 Unlink 17 44.070 67.904 Qpathinfo 91 473.572 40533.989 Qfileinfo 61 2.566 30.030 Qfsinfo 33 8.314 56.364 Sfileinfo 34 80.329 128.984 Find 44 10.646 73.083 WriteX 292 15.054 112.716 ReadX 219 3.760 116.817 Flush 24 151.302 395.574 Throughput 0.130713 MB/sec 1 clients 1 procs max_latency=40534.021 ms stopping dbench on /mnt/lustre at Mon Jul 13 10:39:16 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 '/usr/share/dbench/client.txt' -> '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 26624 3727360 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 20480 3738624 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7465984 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Jul 13 10:39:24 EDT 2026 waiting for dbench pid 47087 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 21 0.46 MB/sec warmup 1 sec latency 19.555 ms 1 64 1.37 MB/sec warmup 2 sec latency 208.180 ms 1 107 1.68 MB/sec warmup 3 sec latency 203.538 ms 1 129 1.44 MB/sec warmup 4 sec latency 234.836 ms 1 157 1.31 MB/sec warmup 5 sec latency 168.675 ms test_26 fail mds1 3 times 1 187 1.25 MB/sec warmup 6 sec latency 157.529 ms 1 216 1.19 MB/sec warmup 7 sec latency 173.754 ms Failing mds1 on oleg440-server 1 247 1.17 MB/sec warmup 8 sec latency 166.039 ms 1 279 1.16 MB/sec warmup 9 sec latency 147.174 ms Stopping /mnt/lustre-mds1 (opts:) on oleg440-server 1 304 1.12 MB/sec warmup 10 sec latency 188.694 ms 1 312 1.04 MB/sec warmup 11 sec latency 772.821 ms 1 312 0.96 MB/sec warmup 12 sec latency 1774.177 ms 1 312 0.88 MB/sec warmup 13 sec latency 2774.505 ms 10:39:37 (1783953577) shut down facet: mds1 facet_host: oleg440-server facet_failover_host: oleg440-server 1 312 0.82 MB/sec warmup 14 sec latency 3774.915 ms 1 312 0.76 MB/sec warmup 15 sec latency 4775.129 ms 1 312 0.72 MB/sec warmup 16 sec latency 5775.336 ms 1 312 0.67 MB/sec warmup 17 sec latency 6778.369 ms 1 312 0.64 MB/sec warmup 18 sec latency 7779.129 ms 1 312 0.60 MB/sec warmup 19 sec latency 8782.990 ms 1 312 0.00 MB/sec execute 1 sec latency 10784.801 ms 1 312 0.00 MB/sec execute 2 sec latency 11785.755 ms 1 312 0.00 MB/sec execute 3 sec latency 12785.950 ms Failover mds1 to oleg440-server mount facets: mds1 1 312 0.00 MB/sec execute 4 sec latency 13787.386 ms 1 312 0.00 MB/sec execute 5 sec latency 14787.602 ms 1 312 0.00 MB/sec execute 6 sec latency 15788.006 ms 1 312 0.00 MB/sec execute 7 sec latency 16788.334 ms 1 312 0.00 MB/sec execute 8 sec latency 17788.646 ms 1 312 0.00 MB/sec execute 9 sec latency 18791.517 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 10 sec latency 19791.812 ms 1 312 0.00 MB/sec execute 11 sec latency 20792.069 ms 1 312 0.00 MB/sec execute 12 sec latency 21793.364 ms 1 312 0.00 MB/sec execute 13 sec latency 22798.326 ms 1 312 0.00 MB/sec execute 14 sec latency 23798.593 ms 1 312 0.00 MB/sec execute 15 sec latency 24804.115 ms 1 312 0.00 MB/sec execute 16 sec latency 25804.355 ms 1 312 0.00 MB/sec execute 17 sec latency 26805.000 ms 1 312 0.00 MB/sec execute 18 sec latency 27805.652 ms 1 312 0.00 MB/sec execute 19 sec latency 28809.909 ms 1 312 0.00 MB/sec execute 20 sec latency 29810.994 ms 1 312 0.00 MB/sec execute 21 sec latency 30812.675 ms 1 312 0.00 MB/sec execute 22 sec latency 31813.765 ms 1 312 0.00 MB/sec execute 23 sec latency 32816.956 ms 1 312 0.00 MB/sec execute 24 sec latency 33818.628 ms 1 312 0.00 MB/sec execute 25 sec latency 34819.582 ms 1 312 0.00 MB/sec execute 26 sec latency 35820.096 ms 1 312 0.00 MB/sec execute 27 sec latency 36820.497 ms oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 28 sec latency 37821.429 ms 1 312 0.00 MB/sec execute 29 sec latency 38822.751 ms pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 30 sec latency 39823.124 ms Started lustre-MDT0000 10:40:15 (1783953615) targets are mounted 10:40:15 (1783953615) facet_failover done 1 312 0.00 MB/sec execute 31 sec latency 40832.440 ms 1 312 0.00 MB/sec execute 32 sec latency 41832.826 ms 1 318 0.00 MB/sec execute 33 sec latency 42312.033 ms 1 343 0.02 MB/sec execute 34 sec latency 147.831 ms 1 372 0.05 MB/sec execute 35 sec latency 157.388 ms 1 401 0.07 MB/sec execute 36 sec latency 177.685 ms 1 434 0.10 MB/sec execute 37 sec latency 149.735 ms 1 461 0.12 MB/sec execute 38 sec latency 182.371 ms 1 493 0.15 MB/sec execute 39 sec latency 133.464 ms oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 517 0.16 MB/sec execute 40 sec latency 180.293 ms 1 573 0.19 MB/sec execute 41 sec latency 167.742 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 612 0.23 MB/sec execute 42 sec latency 152.295 ms 1 649 0.22 MB/sec execute 43 sec latency 211.796 ms 1 666 0.22 MB/sec execute 44 sec latency 346.085 ms 1 692 0.22 MB/sec execute 45 sec latency 157.270 ms 1 713 0.21 MB/sec execute 46 sec latency 218.246 ms 1 730 0.21 MB/sec execute 47 sec latency 293.319 ms 1 759 0.21 MB/sec execute 48 sec latency 179.652 ms 1 789 0.20 MB/sec execute 49 sec latency 127.429 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 806 0.20 MB/sec execute 50 sec latency 276.220 ms 1 849 0.20 MB/sec execute 51 sec latency 117.435 ms 1 878 0.20 MB/sec execute 52 sec latency 227.615 ms 1 908 0.19 MB/sec execute 53 sec latency 123.685 ms 1 933 0.19 MB/sec execute 54 sec latency 267.174 ms 1 967 0.19 MB/sec execute 55 sec latency 153.425 ms 1 986 0.19 MB/sec execute 56 sec latency 282.138 ms 1 1050 0.20 MB/sec execute 57 sec latency 90.286 ms 1 1095 0.20 MB/sec execute 58 sec latency 107.664 ms tar: Error is not recoverable: exiting now 1 1145 0.19 MB/sec execute 59 sec latency 77.443 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jul 13 10:40:43 EDT 2026 with return code 0 47087 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47087 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished