== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:35:01 (1786746901) Starting client oleg239-client.virtnet: -o user_xattr,flock 192.168.202.139@tcp:/lustre /mnt/lustre Started clients oleg239-client.virtnet: 192.168.202.139@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 45264 Started dbench loop with 45265 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7494656 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 Fri Aug 14 18:35:08 EDT 2026 waiting for dbench pid 45334 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 7.020 ms 1 51 1.05 MB/sec warmup 2 sec latency 178.080 ms 1 91 1.40 MB/sec warmup 3 sec latency 180.924 ms 1 119 1.36 MB/sec warmup 4 sec latency 222.111 ms 1 147 1.25 MB/sec warmup 5 sec latency 137.759 ms test_26 fail mds1 1 times 1 177 1.19 MB/sec warmup 6 sec latency 140.658 ms 1 197 1.12 MB/sec warmup 7 sec latency 230.512 ms 1 218 1.04 MB/sec warmup 8 sec latency 178.975 ms Failing mds1 on oleg239-server 1 249 1.04 MB/sec warmup 9 sec latency 161.153 ms Stopping /mnt/lustre-mds1 (opts:) on oleg239-server 1 287 1.07 MB/sec warmup 10 sec latency 124.939 ms 1 289 0.97 MB/sec warmup 11 sec latency 902.522 ms 1 289 0.89 MB/sec warmup 12 sec latency 1902.788 ms 1 289 0.82 MB/sec warmup 13 sec latency 2903.754 ms 18:35:22 (1786746922) shut down facet: mds1 facet_host: oleg239-server facet_failover_host: oleg239-server 1 289 0.76 MB/sec warmup 14 sec latency 3904.017 ms 1 289 0.71 MB/sec warmup 15 sec latency 4904.778 ms 1 289 0.67 MB/sec warmup 16 sec latency 5905.313 ms 1 289 0.63 MB/sec warmup 17 sec latency 6905.718 ms 1 289 0.59 MB/sec warmup 18 sec latency 7908.030 ms 1 289 0.56 MB/sec warmup 19 sec latency 8910.473 ms 1 289 0.00 MB/sec execute 1 sec latency 10910.925 ms 1 289 0.00 MB/sec execute 2 sec latency 11911.119 ms 1 289 0.00 MB/sec execute 3 sec latency 12913.044 ms 1 289 0.00 MB/sec execute 4 sec latency 13913.342 ms Failover mds1 to oleg239-server mount facets: mds1 1 289 0.00 MB/sec execute 5 sec latency 14913.547 ms 1 289 0.00 MB/sec execute 6 sec latency 15913.888 ms 1 289 0.00 MB/sec execute 7 sec latency 16914.303 ms 1 289 0.00 MB/sec execute 8 sec latency 17915.254 ms 1 289 0.00 MB/sec execute 9 sec latency 18915.503 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 10 sec latency 19916.336 ms 1 289 0.00 MB/sec execute 11 sec latency 20916.571 ms 1 289 0.00 MB/sec execute 12 sec latency 21916.791 ms 1 289 0.00 MB/sec execute 13 sec latency 22917.030 ms 1 289 0.00 MB/sec execute 14 sec latency 23917.245 ms 1 289 0.00 MB/sec execute 15 sec latency 24917.894 ms 1 289 0.00 MB/sec execute 16 sec latency 25918.187 ms 1 289 0.00 MB/sec execute 17 sec latency 26918.503 ms 1 289 0.00 MB/sec execute 18 sec latency 27922.222 ms 1 289 0.00 MB/sec execute 19 sec latency 28922.455 ms 1 289 0.00 MB/sec execute 20 sec latency 29922.837 ms 1 289 0.00 MB/sec execute 21 sec latency 30923.180 ms 1 289 0.00 MB/sec execute 22 sec latency 31924.763 ms 1 289 0.00 MB/sec execute 23 sec latency 32925.014 ms oleg239-server: oleg239-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 24 sec latency 33931.992 ms pdsh@oleg239-client: oleg239-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 25 sec latency 34935.304 ms Started lustre-MDT0000 18:35:54 (1786746954) targets are mounted 18:35:54 (1786746954) facet_failover done 1 289 0.00 MB/sec execute 26 sec latency 35935.606 ms 1 289 0.00 MB/sec execute 27 sec latency 36942.063 ms 1 289 0.00 MB/sec execute 28 sec latency 37943.053 ms 1 289 0.00 MB/sec execute 29 sec latency 38943.335 ms 1 289 0.00 MB/sec execute 30 sec latency 39943.677 ms 1 289 0.00 MB/sec execute 31 sec latency 40946.936 ms 1 289 0.00 MB/sec execute 32 sec latency 41947.306 ms 1 289 0.00 MB/sec execute 33 sec latency 42947.559 ms 1 311 0.02 MB/sec execute 34 sec latency 43369.174 ms 1 345 0.05 MB/sec execute 35 sec latency 143.639 ms 1 386 0.08 MB/sec execute 36 sec latency 132.066 ms 1 429 0.12 MB/sec execute 37 sec latency 130.309 ms 1 469 0.15 MB/sec execute 38 sec latency 140.441 ms oleg239-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.17 MB/sec execute 39 sec latency 153.121 ms 1 529 0.19 MB/sec execute 40 sec latency 200.329 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 610 0.25 MB/sec execute 41 sec latency 119.963 ms 1 655 0.25 MB/sec execute 42 sec latency 131.612 ms 1 676 0.24 MB/sec execute 43 sec latency 284.836 ms 1 703 0.24 MB/sec execute 44 sec latency 197.061 ms 1 728 0.24 MB/sec execute 45 sec latency 224.770 ms 1 770 0.23 MB/sec execute 46 sec latency 133.448 ms 1 789 0.23 MB/sec execute 47 sec latency 347.414 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3651584 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7392256 1% /mnt/lustre 1 808 0.22 MB/sec execute 48 sec latency 393.756 ms 1 860 0.22 MB/sec execute 49 sec latency 143.566 ms 1 882 0.22 MB/sec execute 50 sec latency 323.643 ms 1 913 0.22 MB/sec execute 51 sec latency 132.806 ms 1 934 0.21 MB/sec execute 52 sec latency 177.715 ms 1 974 0.21 MB/sec execute 53 sec latency 101.020 ms test_26 fail mds1 2 times 1 1000 0.21 MB/sec execute 54 sec latency 196.327 ms 1 1061 0.22 MB/sec execute 55 sec latency 115.522 ms Failing mds1 on oleg239-server 1 1104 0.22 MB/sec execute 56 sec latency 100.065 ms 1 1145 0.22 MB/sec execute 57 sec latency 88.467 ms Stopping /mnt/lustre-mds1 (opts:) on oleg239-server 1 1180 0.21 MB/sec execute 58 sec latency 153.434 ms 1 1188 0.21 MB/sec execute 59 sec latency 820.226 ms 1 1188 0.21 MB/sec execute 60 sec latency 1820.622 ms 18:36:29 (1786746989) shut down facet: mds1 facet_host: oleg239-server facet_failover_host: oleg239-server 1 1188 0.20 MB/sec execute 61 sec latency 2821.129 ms 1 1188 0.20 MB/sec execute 62 sec latency 3821.398 ms 1 1188 0.20 MB/sec execute 63 sec latency 4822.761 ms 1 1188 0.19 MB/sec execute 64 sec latency 5825.626 ms 1 1188 0.19 MB/sec execute 65 sec latency 6826.222 ms 1 1188 0.19 MB/sec execute 66 sec latency 7826.436 ms 1 1188 0.18 MB/sec execute 67 sec latency 8826.732 ms 1 1188 0.18 MB/sec execute 68 sec latency 9826.967 ms 1 1188 0.18 MB/sec execute 69 sec latency 10827.643 ms 1 1188 0.18 MB/sec execute 70 sec latency 11828.885 ms 1 1188 0.17 MB/sec execute 71 sec latency 12829.183 ms Failover mds1 to oleg239-server mount facets: mds1 1 1188 0.17 MB/sec execute 72 sec latency 13830.766 ms 1 1188 0.17 MB/sec execute 73 sec latency 14832.550 ms 1 1188 0.17 MB/sec execute 74 sec latency 15832.749 ms 1 1188 0.16 MB/sec execute 75 sec latency 16833.007 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.16 MB/sec execute 76 sec latency 17833.263 ms 1 1188 0.16 MB/sec execute 77 sec latency 18833.553 ms 1 1188 0.16 MB/sec execute 78 sec latency 19833.833 ms 1 1188 0.16 MB/sec execute 79 sec latency 20834.728 ms 1 1188 0.15 MB/sec execute 80 sec latency 21836.021 ms 1 1188 0.15 MB/sec execute 81 sec latency 22837.404 ms 1 1188 0.15 MB/sec execute 82 sec latency 23837.712 ms 1 1188 0.15 MB/sec execute 83 sec latency 24840.095 ms 1 1188 0.15 MB/sec execute 84 sec latency 25841.616 ms 1 1188 0.14 MB/sec execute 85 sec latency 26842.316 ms 1 1188 0.14 MB/sec execute 86 sec latency 27842.870 ms 1 1188 0.14 MB/sec execute 87 sec latency 28844.552 ms 1 1188 0.14 MB/sec execute 88 sec latency 29844.956 ms 1 1188 0.14 MB/sec execute 89 sec latency 30846.720 ms 1 1188 0.14 MB/sec execute 90 sec latency 31846.997 ms oleg239-server: oleg239-server.virtnet: executing set_default_debug -1 all 1 1188 0.14 MB/sec execute 91 sec latency 32847.318 ms pdsh@oleg239-client: oleg239-server: ssh exited with exit code 1 1 1188 0.13 MB/sec execute 92 sec latency 33847.539 ms Started lustre-MDT0000 18:37:01 (1786747021) targets are mounted 18:37:01 (1786747021) facet_failover done 1 1188 0.13 MB/sec execute 93 sec latency 34847.849 ms 1 1188 0.13 MB/sec execute 94 sec latency 35850.477 ms 1 1188 0.13 MB/sec execute 95 sec latency 36852.752 ms 1 1188 0.13 MB/sec execute 96 sec latency 37855.001 ms 1 1188 0.13 MB/sec execute 97 sec latency 38856.468 ms 1 1188 0.13 MB/sec execute 98 sec latency 39856.791 ms 1 1188 0.12 MB/sec execute 99 sec latency 40857.238 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 129 415.980 43369.154 Close 118 362.901 41288.329 Rename 7 116.005 153.405 Unlink 13 32.106 43.159 Qpathinfo 72 28.840 253.968 Qfileinfo 57 2.524 9.574 Qfsinfo 28 4.182 18.333 Sfileinfo 27 61.885 114.562 Find 36 7.957 75.448 WriteX 276 14.729 98.600 ReadX 123 5.427 93.883 Flush 24 138.296 393.740 Throughput 0.124436 MB/sec 1 clients 1 procs max_latency=43369.174 ms stopping dbench on /mnt/lustre at Fri Aug 14 18:37:13 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg239-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Fri Aug 14 18:37:19 EDT 2026 waiting for dbench pid 47281 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 1.05 MB/sec warmup 1 sec latency 59.619 ms 1 89 2.06 MB/sec warmup 2 sec latency 108.769 ms 1 130 1.92 MB/sec warmup 3 sec latency 160.254 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 17408 3729408 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3723264 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7452672 1% /mnt/lustre 1 155 1.63 MB/sec warmup 4 sec latency 199.037 ms 1 189 1.51 MB/sec warmup 5 sec latency 173.095 ms 1 231 1.48 MB/sec warmup 6 sec latency 150.628 ms 1 272 1.45 MB/sec warmup 7 sec latency 124.971 ms 1 313 1.43 MB/sec warmup 8 sec latency 105.799 ms 1 349 1.39 MB/sec warmup 9 sec latency 118.799 ms test_26 fail mds1 3 times 1 382 1.35 MB/sec warmup 10 sec latency 129.293 ms 1 418 1.34 MB/sec warmup 11 sec latency 130.159 ms Failing mds1 on oleg239-server 1 460 1.34 MB/sec warmup 12 sec latency 153.106 ms Stopping /mnt/lustre-mds1 (opts:) on oleg239-server 1 503 1.34 MB/sec warmup 13 sec latency 144.091 ms 1 510 1.26 MB/sec warmup 14 sec latency 887.170 ms 1 510 1.18 MB/sec warmup 15 sec latency 1887.491 ms 18:37:35 (1786747055) shut down facet: mds1 facet_host: oleg239-server facet_failover_host: oleg239-server 1 510 1.11 MB/sec warmup 16 sec latency 2888.226 ms 1 510 1.04 MB/sec warmup 17 sec latency 3888.511 ms 1 510 0.98 MB/sec warmup 18 sec latency 4888.812 ms 1 510 0.93 MB/sec warmup 19 sec latency 5889.052 ms 1 510 0.00 MB/sec execute 1 sec latency 7897.478 ms 1 510 0.00 MB/sec execute 2 sec latency 8897.756 ms 1 510 0.00 MB/sec execute 3 sec latency 9899.675 ms 1 510 0.00 MB/sec execute 4 sec latency 10905.426 ms 1 510 0.00 MB/sec execute 5 sec latency 11905.705 ms Failover mds1 to oleg239-server mount facets: mds1 1 510 0.00 MB/sec execute 6 sec latency 12907.060 ms 1 510 0.00 MB/sec execute 7 sec latency 13907.346 ms 1 510 0.00 MB/sec execute 8 sec latency 14907.642 ms 1 510 0.00 MB/sec execute 9 sec latency 15911.746 ms 1 510 0.00 MB/sec execute 10 sec latency 16912.146 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 510 0.00 MB/sec execute 11 sec latency 17912.389 ms 1 510 0.00 MB/sec execute 12 sec latency 18917.836 ms 1 510 0.00 MB/sec execute 13 sec latency 19919.228 ms 1 510 0.00 MB/sec execute 14 sec latency 20919.580 ms 1 510 0.00 MB/sec execute 15 sec latency 21919.875 ms 1 510 0.00 MB/sec execute 16 sec latency 22920.210 ms 1 510 0.00 MB/sec execute 17 sec latency 23924.182 ms 1 510 0.00 MB/sec execute 18 sec latency 24924.442 ms 1 510 0.00 MB/sec execute 19 sec latency 25924.660 ms 1 510 0.00 MB/sec execute 20 sec latency 26925.161 ms 1 510 0.00 MB/sec execute 21 sec latency 27926.298 ms 1 510 0.00 MB/sec execute 22 sec latency 28926.500 ms 1 510 0.00 MB/sec execute 23 sec latency 29926.761 ms 1 510 0.00 MB/sec execute 24 sec latency 30928.543 ms 1 510 0.00 MB/sec execute 25 sec latency 31928.841 ms 1 510 0.00 MB/sec execute 26 sec latency 32929.173 ms 1 510 0.00 MB/sec execute 27 sec latency 33929.459 ms 1 510 0.00 MB/sec execute 28 sec latency 34930.339 ms oleg239-server: oleg239-server.virtnet: executing set_default_debug -1 all 1 510 0.00 MB/sec execute 29 sec latency 35934.729 ms pdsh@oleg239-client: oleg239-server: ssh exited with exit code 1 1 510 0.00 MB/sec execute 30 sec latency 36939.223 ms 1 510 0.00 MB/sec execute 31 sec latency 37941.869 ms Started lustre-MDT0000 18:38:12 (1786747092) targets are mounted 18:38:12 (1786747092) facet_failover done 1 510 0.00 MB/sec execute 32 sec latency 38942.533 ms 1 510 0.00 MB/sec execute 33 sec latency 39952.907 ms 1 510 0.00 MB/sec execute 34 sec latency 40955.951 ms 1 510 0.00 MB/sec execute 35 sec latency 41956.806 ms 1 511 0.00 MB/sec execute 36 sec latency 42683.648 ms 1 538 0.03 MB/sec execute 37 sec latency 431.867 ms 1 600 0.09 MB/sec execute 38 sec latency 156.187 ms 1 655 0.09 MB/sec execute 39 sec latency 119.586 ms 1 670 0.09 MB/sec execute 40 sec latency 455.927 ms 1 697 0.08 MB/sec execute 41 sec latency 134.948 ms 1 718 0.08 MB/sec execute 42 sec latency 169.996 ms oleg239-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.08 MB/sec execute 43 sec latency 177.704 ms 1 769 0.08 MB/sec execute 44 sec latency 184.344 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 784 0.08 MB/sec execute 45 sec latency 211.400 ms 1 796 0.08 MB/sec execute 46 sec latency 403.701 ms 1 808 0.08 MB/sec execute 47 sec latency 191.567 ms 1 857 0.08 MB/sec execute 48 sec latency 136.747 ms 1 874 0.08 MB/sec execute 49 sec latency 446.872 ms 1 902 0.08 MB/sec execute 50 sec latency 166.645 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 921 0.08 MB/sec execute 51 sec latency 245.016 ms 1 964 0.08 MB/sec execute 52 sec latency 110.840 ms 1 988 0.08 MB/sec execute 53 sec latency 177.887 ms 1 1051 0.10 MB/sec execute 54 sec latency 104.557 ms 1 1119 0.10 MB/sec execute 55 sec latency 95.544 ms 1 1148 0.09 MB/sec execute 56 sec latency 235.783 ms 1 1185 0.09 MB/sec execute 57 sec latency 102.632 ms 1 1221 0.09 MB/sec execute 58 sec latency 95.484 ms 1 1242 0.09 MB/sec execute 59 sec latency 247.195 ms 1 1268 0.09 MB/sec execute 60 sec latency 140.610 ms 1 1390 0.14 MB/sec execute 61 sec latency 148.847 ms 1 1419 0.13 MB/sec execute 62 sec latency 136.667 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 18:38:42 EDT 2026 with return code 0 1 1447 0.13 MB/sec execute 63 sec latency 124.992 ms 47281 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47281 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished