== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:21:13 (1789266073) Starting client oleg313-client.virtnet: -o user_xattr,flock 192.168.203.113@tcp:/lustre /mnt/lustre Started clients oleg313-client.virtnet: 192.168.203.113@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 45115 Started dbench loop with 45117 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 22528 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7487488 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 12 22:21:18 EDT 2026 waiting for dbench pid 45173 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 1 of 1 processes prepared for launch 0 sec releasing clients 1 32 1.05 MB/sec warmup 1 sec latency 158.052 ms 1 111 2.62 MB/sec warmup 2 sec latency 97.499 ms 1 137 2.01 MB/sec warmup 3 sec latency 187.458 ms 1 181 1.83 MB/sec warmup 4 sec latency 140.907 ms test_26 fail mds1 1 times 1 226 1.72 MB/sec warmup 5 sec latency 117.004 ms 1 271 1.70 MB/sec warmup 6 sec latency 131.749 ms Failing mds1 on oleg313-server 1 296 1.56 MB/sec warmup 7 sec latency 213.278 ms Stopping /mnt/lustre-mds1 (opts:) on oleg313-server 1 324 1.47 MB/sec warmup 8 sec latency 189.472 ms 1 341 1.36 MB/sec warmup 9 sec latency 566.913 ms 1 341 1.23 MB/sec warmup 10 sec latency 1568.889 ms 1 341 1.11 MB/sec warmup 11 sec latency 2571.494 ms 22:21:29 (1789266089) shut down facet: mds1 facet_host: oleg313-server facet_failover_host: oleg313-server 1 341 1.02 MB/sec warmup 12 sec latency 3571.829 ms 1 341 0.94 MB/sec warmup 13 sec latency 4575.248 ms 1 341 0.87 MB/sec warmup 14 sec latency 5575.920 ms 1 341 0.82 MB/sec warmup 15 sec latency 6577.206 ms 1 341 0.77 MB/sec warmup 16 sec latency 7578.783 ms 1 341 0.72 MB/sec warmup 17 sec latency 8579.061 ms 1 341 0.68 MB/sec warmup 18 sec latency 9579.267 ms 1 341 0.64 MB/sec warmup 19 sec latency 10582.436 ms 1 341 0.00 MB/sec execute 1 sec latency 12586.450 ms Failover mds1 to oleg313-server 1 341 0.00 MB/sec execute 2 sec latency 13587.029 ms mount facets: mds1 1 341 0.00 MB/sec execute 3 sec latency 14587.220 ms 1 341 0.00 MB/sec execute 4 sec latency 15588.346 ms 1 341 0.00 MB/sec execute 5 sec latency 16588.563 ms 1 341 0.00 MB/sec execute 6 sec latency 17588.760 ms 1 341 0.00 MB/sec execute 7 sec latency 18594.421 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 341 0.00 MB/sec execute 8 sec latency 19594.578 ms 1 341 0.00 MB/sec execute 9 sec latency 20594.759 ms 1 341 0.00 MB/sec execute 10 sec latency 21594.985 ms 1 341 0.00 MB/sec execute 11 sec latency 22595.203 ms 1 341 0.00 MB/sec execute 12 sec latency 23595.432 ms 1 341 0.00 MB/sec execute 13 sec latency 24596.163 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 1 341 0.00 MB/sec execute 14 sec latency 25596.455 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 341 0.00 MB/sec execute 15 sec latency 26596.640 ms Started lustre-MDT0000 22:21:53 (1789266113) targets are mounted 22:21:53 (1789266113) facet_failover done 1 341 0.00 MB/sec execute 16 sec latency 27596.783 ms 1 341 0.00 MB/sec execute 17 sec latency 28597.722 ms 1 341 0.00 MB/sec execute 18 sec latency 29597.905 ms 1 341 0.00 MB/sec execute 19 sec latency 30598.099 ms 1 341 0.00 MB/sec execute 20 sec latency 31598.418 ms 1 341 0.00 MB/sec execute 21 sec latency 32600.468 ms 1 341 0.00 MB/sec execute 22 sec latency 33603.440 ms 1 341 0.00 MB/sec execute 23 sec latency 34604.211 ms 1 341 0.00 MB/sec execute 24 sec latency 35604.400 ms 1 341 0.00 MB/sec execute 25 sec latency 36604.788 ms 1 341 0.00 MB/sec execute 26 sec latency 37604.975 ms 1 341 0.00 MB/sec execute 27 sec latency 38605.442 ms 1 341 0.00 MB/sec execute 28 sec latency 39605.910 ms 1 349 0.01 MB/sec execute 29 sec latency 40486.944 ms 1 393 0.05 MB/sec execute 30 sec latency 109.773 ms 1 438 0.10 MB/sec execute 31 sec latency 122.244 ms 1 492 0.15 MB/sec execute 32 sec latency 118.262 ms 1 542 0.21 MB/sec execute 33 sec latency 120.920 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 639 0.26 MB/sec execute 34 sec latency 103.644 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 671 0.25 MB/sec execute 35 sec latency 240.988 ms 1 699 0.25 MB/sec execute 36 sec latency 124.883 ms 1 726 0.24 MB/sec execute 37 sec latency 171.006 ms 1 762 0.24 MB/sec execute 38 sec latency 98.713 ms 1 791 0.24 MB/sec execute 39 sec latency 145.697 ms 1 826 0.23 MB/sec execute 40 sec latency 100.102 ms 1 873 0.23 MB/sec execute 41 sec latency 264.677 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3717120 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7401472 1% /mnt/lustre 1 902 0.22 MB/sec execute 42 sec latency 278.594 ms 1 936 0.22 MB/sec execute 43 sec latency 161.989 ms 1 980 0.22 MB/sec execute 44 sec latency 97.892 ms 1 1042 0.24 MB/sec execute 45 sec latency 184.231 ms 1 1105 0.23 MB/sec execute 46 sec latency 79.143 ms test_26 fail mds1 2 times 1 1148 0.23 MB/sec execute 47 sec latency 88.337 ms 1 1192 0.22 MB/sec execute 48 sec latency 93.990 ms Failing mds1 on oleg313-server Stopping /mnt/lustre-mds1 (opts:) on oleg313-server 1 1241 0.22 MB/sec execute 49 sec latency 74.208 ms 1 1275 0.22 MB/sec execute 50 sec latency 158.653 ms 1 1275 0.21 MB/sec execute 51 sec latency 1158.920 ms 1 1275 0.21 MB/sec execute 52 sec latency 2159.106 ms 1 1275 0.20 MB/sec execute 53 sec latency 3165.041 ms 1 1275 0.20 MB/sec execute 54 sec latency 4165.688 ms 22:22:32 (1789266152) shut down facet: mds1 facet_host: oleg313-server facet_failover_host: oleg313-server 1 1275 0.20 MB/sec execute 55 sec latency 5165.876 ms 1 1275 0.19 MB/sec execute 56 sec latency 6167.140 ms 1 1275 0.19 MB/sec execute 57 sec latency 7167.336 ms 1 1275 0.19 MB/sec execute 58 sec latency 8167.598 ms 1 1275 0.18 MB/sec execute 59 sec latency 9167.825 ms 1 1275 0.18 MB/sec execute 60 sec latency 10168.032 ms 1 1275 0.18 MB/sec execute 61 sec latency 11168.217 ms 1 1275 0.18 MB/sec execute 62 sec latency 12169.161 ms 1 1275 0.17 MB/sec execute 63 sec latency 13169.357 ms 1 1275 0.17 MB/sec execute 64 sec latency 14171.369 ms Failover mds1 to oleg313-server mount facets: mds1 1 1275 0.17 MB/sec execute 65 sec latency 15172.240 ms 1 1275 0.16 MB/sec execute 66 sec latency 16172.450 ms 1 1275 0.16 MB/sec execute 67 sec latency 17173.505 ms 1 1275 0.16 MB/sec execute 68 sec latency 18173.763 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1275 0.16 MB/sec execute 69 sec latency 19175.503 ms 1 1275 0.16 MB/sec execute 70 sec latency 20175.805 ms 1 1275 0.15 MB/sec execute 71 sec latency 21176.793 ms 1 1275 0.15 MB/sec execute 72 sec latency 22177.048 ms 1 1275 0.15 MB/sec execute 73 sec latency 23178.754 ms 1 1275 0.15 MB/sec execute 74 sec latency 24179.862 ms 1 1275 0.14 MB/sec execute 75 sec latency 25189.372 ms 1 1275 0.14 MB/sec execute 76 sec latency 26189.598 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 1 1275 0.14 MB/sec execute 77 sec latency 27189.800 ms 1 1275 0.14 MB/sec execute 78 sec latency 28190.571 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 1275 0.14 MB/sec execute 79 sec latency 29193.169 ms Started lustre-MDT0000 22:22:58 (1789266178) targets are mounted 22:22:58 (1789266178) facet_failover done 1 1275 0.14 MB/sec execute 80 sec latency 30196.020 ms 1 1275 0.13 MB/sec execute 81 sec latency 31196.178 ms 1 1319 0.15 MB/sec execute 82 sec latency 31723.490 ms 1 1396 0.17 MB/sec execute 83 sec latency 496.077 ms 1 1426 0.16 MB/sec execute 84 sec latency 155.857 ms 1 1470 0.16 MB/sec execute 85 sec latency 126.003 ms 1 1497 0.16 MB/sec execute 86 sec latency 317.891 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1540 0.16 MB/sec execute 87 sec latency 114.520 ms 1 1591 0.16 MB/sec execute 88 sec latency 58.099 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1625 0.16 MB/sec execute 89 sec latency 174.213 ms 1 1655 0.15 MB/sec execute 90 sec latency 224.663 ms 1 1691 0.15 MB/sec execute 91 sec latency 121.647 ms 1 1759 0.15 MB/sec execute 92 sec latency 78.946 ms 1 1821 0.15 MB/sec execute 93 sec latency 78.947 ms 1 1861 0.15 MB/sec execute 94 sec latency 157.221 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 24576 3730432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3705856 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 66560 7436288 1% /mnt/lustre 1 1909 0.15 MB/sec execute 95 sec latency 131.436 ms 1 1972 0.15 MB/sec execute 96 sec latency 98.514 ms 1 2006 0.15 MB/sec execute 97 sec latency 121.215 ms 1 2060 0.15 MB/sec execute 98 sec latency 108.593 ms 1 2136 0.15 MB/sec execute 99 sec latency 75.655 ms 1 cleanup 100 sec test_26 fail mds1 3 times 1 cleanup 101 sec 1 cleanup 102 sec Failing mds1 on oleg313-server 1 cleanup 103 sec Stopping /mnt/lustre-mds1 (opts:) on oleg313-server 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 325 182.702 40486.929 Close 274 127.760 31723.465 Rename 11 88.285 152.305 Unlink 28 27.005 49.359 Qpathinfo 269 17.266 246.946 Qfileinfo 83 1.833 9.088 Qfsinfo 33 2.886 18.035 Sfileinfo 34 50.657 92.802 Find 90 6.321 71.018 WriteX 315 10.438 62.277 ReadX 345 1.718 68.964 Flush 30 129.851 317.858 Throughput 0.145348 MB/sec 1 clients 1 procs max_latency=40486.944 ms stopping dbench on /mnt/lustre at Sat Sep 12 22:23:22 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 22:23:26 (1789266206) shut down facet: mds1 facet_host: oleg313-server facet_failover_host: oleg313-server Failover mds1 to oleg313-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 Started lustre-MDT0000 22:23:49 (1789266229) targets are mounted 22:23:49 (1789266229) facet_failover done 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' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Sep 12 22:24:08 EDT 2026 waiting for dbench pid 47795 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 oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 32 1.05 MB/sec warmup 1 sec latency 143.914 ms 1 91 2.09 MB/sec warmup 2 sec latency 135.832 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 125 1.85 MB/sec warmup 3 sec latency 238.983 ms 1 156 1.63 MB/sec warmup 4 sec latency 155.525 ms 1 192 1.51 MB/sec warmup 5 sec latency 124.880 ms 1 221 1.42 MB/sec warmup 6 sec latency 153.899 ms 1 255 1.38 MB/sec warmup 7 sec latency 144.151 ms 1 296 1.37 MB/sec warmup 8 sec latency 143.052 ms 1 331 1.33 MB/sec warmup 9 sec latency 127.113 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 43008 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3753984 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7456768 1% /mnt/lustre 1 356 1.27 MB/sec warmup 10 sec latency 195.630 ms 1 384 1.23 MB/sec warmup 11 sec latency 142.822 ms 1 413 1.21 MB/sec warmup 12 sec latency 173.836 ms 1 446 1.20 MB/sec warmup 13 sec latency 143.368 ms 1 481 1.19 MB/sec warmup 14 sec latency 201.792 ms 1 503 1.16 MB/sec warmup 15 sec latency 223.759 ms 1 561 1.19 MB/sec warmup 16 sec latency 147.244 ms test_26 fail mds1 4 times 1 636 1.24 MB/sec warmup 17 sec latency 115.132 ms 1 656 1.17 MB/sec warmup 18 sec latency 160.205 ms Failing mds1 on oleg313-server 1 673 1.11 MB/sec warmup 19 sec latency 232.035 ms Stopping /mnt/lustre-mds1 (opts:) on oleg313-server 1 721 0.09 MB/sec execute 1 sec latency 288.315 ms 1 731 0.05 MB/sec execute 2 sec latency 531.423 ms 1 731 0.04 MB/sec execute 3 sec latency 1533.274 ms 1 731 0.03 MB/sec execute 4 sec latency 2535.077 ms 22:24:33 (1789266273) shut down facet: mds1 facet_host: oleg313-server facet_failover_host: oleg313-server 1 731 0.02 MB/sec execute 5 sec latency 3535.329 ms 1 731 0.02 MB/sec execute 6 sec latency 4536.245 ms 1 731 0.02 MB/sec execute 7 sec latency 5536.438 ms 1 731 0.01 MB/sec execute 8 sec latency 6536.847 ms 1 731 0.01 MB/sec execute 9 sec latency 7538.698 ms 1 731 0.01 MB/sec execute 10 sec latency 8539.186 ms 1 731 0.01 MB/sec execute 11 sec latency 9539.529 ms 1 731 0.01 MB/sec execute 12 sec latency 10539.711 ms 1 731 0.01 MB/sec execute 13 sec latency 11539.929 ms 1 731 0.01 MB/sec execute 14 sec latency 12540.164 ms Failover mds1 to oleg313-server 1 731 0.01 MB/sec execute 15 sec latency 13540.660 ms mount facets: mds1 1 731 0.01 MB/sec execute 16 sec latency 14540.880 ms 1 731 0.01 MB/sec execute 17 sec latency 15542.392 ms 1 731 0.01 MB/sec execute 18 sec latency 16546.650 ms 1 731 0.01 MB/sec execute 19 sec latency 17546.825 ms 1 731 0.01 MB/sec execute 20 sec latency 18547.343 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 731 0.01 MB/sec execute 21 sec latency 19547.825 ms 1 731 0.00 MB/sec execute 22 sec latency 20548.037 ms 1 731 0.00 MB/sec execute 23 sec latency 21548.215 ms 1 731 0.00 MB/sec execute 24 sec latency 22550.969 ms 1 731 0.00 MB/sec execute 25 sec latency 23551.146 ms 1 731 0.00 MB/sec execute 26 sec latency 24551.833 ms 1 731 0.00 MB/sec execute 27 sec latency 25554.016 ms 1 731 0.00 MB/sec execute 28 sec latency 26557.683 ms 1 731 0.00 MB/sec execute 29 sec latency 27557.917 ms 1 731 0.00 MB/sec execute 30 sec latency 28558.156 ms 1 731 0.00 MB/sec execute 31 sec latency 29559.137 ms 1 731 0.00 MB/sec execute 32 sec latency 30559.397 ms 1 731 0.00 MB/sec execute 33 sec latency 31559.750 ms 1 731 0.00 MB/sec execute 34 sec latency 32562.090 ms 1 731 0.00 MB/sec execute 35 sec latency 33562.308 ms 1 731 0.00 MB/sec execute 36 sec latency 34562.535 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 1 731 0.00 MB/sec execute 37 sec latency 35562.764 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 731 0.00 MB/sec execute 38 sec latency 36567.394 ms Started lustre-MDT0000 22:25:07 (1789266307) targets are mounted 22:25:07 (1789266307) facet_failover done 1 731 0.00 MB/sec execute 39 sec latency 37567.788 ms 1 731 0.00 MB/sec execute 40 sec latency 38568.046 ms 1 731 0.00 MB/sec execute 41 sec latency 39568.227 ms 1 740 0.00 MB/sec execute 42 sec latency 40054.004 ms 1 778 0.00 MB/sec execute 43 sec latency 164.636 ms 1 796 0.01 MB/sec execute 44 sec latency 331.721 ms 1 821 0.01 MB/sec execute 45 sec latency 186.091 ms 1 865 0.01 MB/sec execute 46 sec latency 148.123 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 888 0.01 MB/sec execute 47 sec latency 276.187 ms 1 913 0.01 MB/sec execute 48 sec latency 251.316 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 933 0.01 MB/sec execute 49 sec latency 298.058 ms 1 969 0.01 MB/sec execute 50 sec latency 136.335 ms 1 990 0.01 MB/sec execute 51 sec latency 282.812 ms 1 1011 0.02 MB/sec execute 52 sec latency 256.540 ms 1 1067 0.03 MB/sec execute 53 sec latency 268.669 ms 1 1126 0.03 MB/sec execute 54 sec latency 102.275 ms 1 1155 0.03 MB/sec execute 55 sec latency 165.809 ms 1 1193 0.03 MB/sec execute 56 sec latency 92.318 ms 1 1229 0.03 MB/sec execute 57 sec latency 102.652 ms 1 1273 0.03 MB/sec execute 58 sec latency 104.884 ms 1 1405 0.08 MB/sec execute 59 sec latency 114.323 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1449 0.08 MB/sec execute 60 sec latency 110.388 ms 1 1474 0.08 MB/sec execute 61 sec latency 207.931 ms 1 1505 0.08 MB/sec execute 62 sec latency 253.648 ms 1 1566 0.08 MB/sec execute 63 sec latency 91.567 ms 1 1603 0.08 MB/sec execute 64 sec latency 130.241 ms 1 1627 0.08 MB/sec execute 65 sec latency 141.354 ms 1 1653 0.08 MB/sec execute 66 sec latency 383.012 ms 1 1691 0.07 MB/sec execute 67 sec latency 117.999 ms 1 1753 0.07 MB/sec execute 68 sec latency 81.009 ms 1 1799 0.07 MB/sec execute 69 sec latency 123.142 ms 1 1843 0.07 MB/sec execute 70 sec latency 156.906 ms 1 1879 0.07 MB/sec execute 71 sec latency 129.829 ms 1 1924 0.07 MB/sec execute 72 sec latency 250.511 ms 1 1978 0.07 MB/sec execute 73 sec latency 96.471 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 12 22:25:42 EDT 2026 with return code 0 1 2022 0.07 MB/sec execute 74 sec latency 111.391 ms 47795 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47795 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished