== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:50:17 (1788839417) Starting client oleg340-client.virtnet: -o user_xattr,flock 192.168.203.140@tcp:/lustre /mnt/lustre Started clients oleg340-client.virtnet: 192.168.203.140@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 45247 Started dbench loop with 45248 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 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3763200 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7499776 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 Sep 7 23:50:23 EDT 2026 waiting for dbench pid 45311 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 21 0.46 MB/sec warmup 1 sec latency 115.891 ms 1 78 1.70 MB/sec warmup 2 sec latency 146.010 ms 1 120 1.83 MB/sec warmup 3 sec latency 143.805 ms 1 147 1.57 MB/sec warmup 4 sec latency 189.807 ms 1 178 1.44 MB/sec warmup 5 sec latency 171.552 ms test_26 fail mds1 1 times 1 197 1.31 MB/sec warmup 6 sec latency 252.653 ms 1 215 1.19 MB/sec warmup 7 sec latency 255.845 ms 1 239 1.14 MB/sec warmup 8 sec latency 262.564 ms Failing mds1 on oleg340-server 1 271 1.13 MB/sec warmup 9 sec latency 125.519 ms Stopping /mnt/lustre-mds1 (opts:) on oleg340-server 1 297 1.10 MB/sec warmup 10 sec latency 172.265 ms 1 322 1.07 MB/sec warmup 11 sec latency 173.248 ms 1 322 0.98 MB/sec warmup 12 sec latency 1173.551 ms 1 322 0.90 MB/sec warmup 13 sec latency 2184.911 ms 1 322 0.84 MB/sec warmup 14 sec latency 3185.164 ms 23:50:37 (1788839437) shut down facet: mds1 facet_host: oleg340-server facet_failover_host: oleg340-server 1 322 0.78 MB/sec warmup 15 sec latency 4186.706 ms 1 322 0.73 MB/sec warmup 16 sec latency 5186.940 ms 1 322 0.69 MB/sec warmup 17 sec latency 6189.081 ms 1 322 0.65 MB/sec warmup 18 sec latency 7189.228 ms 1 322 0.62 MB/sec warmup 19 sec latency 8189.563 ms 1 322 0.00 MB/sec execute 1 sec latency 10191.368 ms 1 322 0.00 MB/sec execute 2 sec latency 11194.443 ms 1 322 0.00 MB/sec execute 3 sec latency 12196.192 ms 1 322 0.00 MB/sec execute 4 sec latency 13196.432 ms Failover mds1 to oleg340-server 1 322 0.00 MB/sec execute 5 sec latency 14196.828 ms mount facets: mds1 1 322 0.00 MB/sec execute 6 sec latency 15197.108 ms 1 322 0.00 MB/sec execute 7 sec latency 16198.239 ms 1 322 0.00 MB/sec execute 8 sec latency 17204.636 ms 1 322 0.00 MB/sec execute 9 sec latency 18204.815 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 10 sec latency 19205.085 ms 1 322 0.00 MB/sec execute 11 sec latency 20205.379 ms 1 322 0.00 MB/sec execute 12 sec latency 21205.803 ms 1 322 0.00 MB/sec execute 13 sec latency 22205.986 ms 1 322 0.00 MB/sec execute 14 sec latency 23206.156 ms 1 322 0.00 MB/sec execute 15 sec latency 24206.932 ms oleg340-server: oleg340-server.virtnet: executing set_default_debug -1 all 1 322 0.00 MB/sec execute 16 sec latency 25207.252 ms pdsh@oleg340-client: oleg340-server: ssh exited with exit code 1 1 322 0.00 MB/sec execute 17 sec latency 26211.882 ms 1 322 0.00 MB/sec execute 18 sec latency 27213.027 ms Started lustre-MDT0000 23:51:01 (1788839461) targets are mounted 23:51:01 (1788839461) facet_failover done 1 322 0.00 MB/sec execute 19 sec latency 28213.354 ms 1 322 0.00 MB/sec execute 20 sec latency 29213.615 ms 1 322 0.00 MB/sec execute 21 sec latency 30213.946 ms 1 322 0.00 MB/sec execute 22 sec latency 31214.167 ms 1 322 0.00 MB/sec execute 23 sec latency 32214.375 ms 1 322 0.00 MB/sec execute 24 sec latency 33214.739 ms 1 322 0.00 MB/sec execute 25 sec latency 34215.910 ms 1 322 0.00 MB/sec execute 26 sec latency 35216.122 ms 1 322 0.00 MB/sec execute 27 sec latency 36218.161 ms 1 322 0.00 MB/sec execute 28 sec latency 37218.786 ms 1 322 0.00 MB/sec execute 29 sec latency 38222.256 ms 1 322 0.00 MB/sec execute 30 sec latency 39223.116 ms 1 322 0.00 MB/sec execute 31 sec latency 40223.303 ms 1 322 0.00 MB/sec execute 32 sec latency 41223.552 ms 1 322 0.00 MB/sec execute 33 sec latency 42223.807 ms 1 339 0.02 MB/sec execute 34 sec latency 42567.024 ms 1 372 0.04 MB/sec execute 35 sec latency 166.620 ms 1 409 0.07 MB/sec execute 36 sec latency 124.208 ms 1 444 0.11 MB/sec execute 37 sec latency 126.141 ms 1 477 0.13 MB/sec execute 38 sec latency 172.094 ms 1 508 0.15 MB/sec execute 39 sec latency 161.249 ms oleg340-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 563 0.18 MB/sec execute 40 sec latency 137.900 ms 1 614 0.22 MB/sec execute 41 sec latency 97.272 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 655 0.22 MB/sec execute 42 sec latency 145.187 ms 1 673 0.22 MB/sec execute 43 sec latency 407.620 ms 1 699 0.21 MB/sec execute 44 sec latency 133.232 ms 1 721 0.21 MB/sec execute 45 sec latency 179.302 ms 1 734 0.21 MB/sec execute 46 sec latency 360.795 ms 1 762 0.20 MB/sec execute 47 sec latency 124.765 ms 1 783 0.20 MB/sec execute 48 sec latency 173.487 ms 1 798 0.20 MB/sec execute 49 sec latency 443.795 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 3695616 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3721216 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7416832 1% /mnt/lustre 1 815 0.19 MB/sec execute 50 sec latency 166.714 ms 1 848 0.19 MB/sec execute 51 sec latency 244.025 ms 1 876 0.19 MB/sec execute 52 sec latency 233.590 ms 1 892 0.19 MB/sec execute 53 sec latency 268.595 ms 1 913 0.19 MB/sec execute 54 sec latency 187.825 ms 1 923 0.18 MB/sec execute 55 sec latency 415.185 ms 1 955 0.18 MB/sec execute 56 sec latency 255.087 ms 1 977 0.18 MB/sec execute 57 sec latency 199.040 ms test_26 fail mds1 2 times 1 985 0.17 MB/sec execute 58 sec latency 371.296 ms 1 1027 0.19 MB/sec execute 59 sec latency 142.626 ms 1 1057 0.19 MB/sec execute 60 sec latency 177.975 ms Failing mds1 on oleg340-server 1 1082 0.18 MB/sec execute 61 sec latency 178.827 ms 1 1127 0.18 MB/sec execute 62 sec latency 125.945 ms Stopping /mnt/lustre-mds1 (opts:) on oleg340-server 1 1147 0.18 MB/sec execute 63 sec latency 147.785 ms 1 1173 0.18 MB/sec execute 64 sec latency 245.400 ms 1 1188 0.17 MB/sec execute 65 sec latency 410.215 ms 1 1188 0.17 MB/sec execute 66 sec latency 1410.601 ms 1 1188 0.17 MB/sec execute 67 sec latency 2410.985 ms 23:51:50 (1788839510) shut down facet: mds1 facet_host: oleg340-server facet_failover_host: oleg340-server 1 1188 0.17 MB/sec execute 68 sec latency 3411.185 ms 1 1188 0.16 MB/sec execute 69 sec latency 4411.874 ms 1 1188 0.16 MB/sec execute 70 sec latency 5412.129 ms 1 1188 0.16 MB/sec execute 71 sec latency 6413.775 ms 1 1188 0.16 MB/sec execute 72 sec latency 7414.888 ms 1 1188 0.15 MB/sec execute 73 sec latency 8415.167 ms 1 1188 0.15 MB/sec execute 74 sec latency 9416.444 ms 1 1188 0.15 MB/sec execute 75 sec latency 10416.843 ms 1 1188 0.15 MB/sec execute 76 sec latency 11423.120 ms 1 1188 0.15 MB/sec execute 77 sec latency 12423.346 ms Failover mds1 to oleg340-server mount facets: mds1 1 1188 0.14 MB/sec execute 78 sec latency 13423.570 ms 1 1188 0.14 MB/sec execute 79 sec latency 14426.175 ms 1 1188 0.14 MB/sec execute 80 sec latency 15428.633 ms 1 1188 0.14 MB/sec execute 81 sec latency 16429.192 ms 1 1188 0.14 MB/sec execute 82 sec latency 17429.420 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1188 0.14 MB/sec execute 83 sec latency 18429.722 ms 1 1188 0.13 MB/sec execute 84 sec latency 19430.562 ms 1 1188 0.13 MB/sec execute 85 sec latency 20430.835 ms 1 1188 0.13 MB/sec execute 86 sec latency 21433.925 ms 1 1188 0.13 MB/sec execute 87 sec latency 22434.548 ms 1 1188 0.13 MB/sec execute 88 sec latency 23434.735 ms 1 1188 0.13 MB/sec execute 89 sec latency 24434.913 ms oleg340-server: oleg340-server.virtnet: executing set_default_debug -1 all 1 1188 0.13 MB/sec execute 90 sec latency 25435.256 ms pdsh@oleg340-client: oleg340-server: ssh exited with exit code 1 1 1188 0.12 MB/sec execute 91 sec latency 26435.600 ms Started lustre-MDT0000 23:52:14 (1788839534) targets are mounted 23:52:14 (1788839534) facet_failover done 1 1188 0.12 MB/sec execute 92 sec latency 27436.067 ms 1 1188 0.12 MB/sec execute 93 sec latency 28438.627 ms 1 1188 0.12 MB/sec execute 94 sec latency 29438.809 ms 1 1188 0.12 MB/sec execute 95 sec latency 30439.039 ms 1 1188 0.12 MB/sec execute 96 sec latency 31439.227 ms 1 1188 0.12 MB/sec execute 97 sec latency 32439.585 ms 1 1188 0.12 MB/sec execute 98 sec latency 33439.777 ms 1 1188 0.11 MB/sec execute 99 sec latency 34440.774 ms 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 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 122 100.191 271.270 Close 113 756.315 42567.002 Rename 7 158.042 245.366 Unlink 13 41.358 56.078 Qpathinfo 69 35.665 177.942 Qfileinfo 53 2.300 9.478 Qfsinfo 28 6.911 30.817 Sfileinfo 25 95.563 196.525 Find 36 12.172 97.256 WriteX 255 15.769 60.536 ReadX 122 6.481 95.703 Flush 24 197.727 443.771 Throughput 0.113913 MB/sec 1 clients 1 procs max_latency=42567.024 ms stopping dbench on /mnt/lustre at Mon Sep 7 23:52:32 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg340-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 Mon Sep 7 23:52:38 EDT 2026 waiting for dbench pid 47250 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 36 1.17 MB/sec warmup 1 sec latency 170.074 ms 1 90 2.09 MB/sec warmup 2 sec latency 109.826 ms 1 130 1.91 MB/sec warmup 3 sec latency 163.003 ms 1 162 1.66 MB/sec warmup 4 sec latency 201.205 ms 1 189 1.51 MB/sec warmup 5 sec latency 169.581 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3696640 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 16384 3752960 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7449600 1% /mnt/lustre 1 221 1.42 MB/sec warmup 6 sec latency 172.292 ms 1 258 1.38 MB/sec warmup 7 sec latency 113.948 ms 1 293 1.34 MB/sec warmup 8 sec latency 137.263 ms 1 328 1.31 MB/sec warmup 9 sec latency 148.372 ms 1 366 1.30 MB/sec warmup 10 sec latency 133.315 ms 1 413 1.32 MB/sec warmup 11 sec latency 108.137 ms test_26 fail mds1 3 times 1 452 1.32 MB/sec warmup 12 sec latency 126.218 ms 1 486 1.30 MB/sec warmup 13 sec latency 153.182 ms Failing mds1 on oleg340-server Stopping /mnt/lustre-mds1 (opts:) on oleg340-server 1 521 1.29 MB/sec warmup 14 sec latency 137.078 ms 1 603 1.39 MB/sec warmup 15 sec latency 131.312 ms 1 603 1.31 MB/sec warmup 16 sec latency 1131.578 ms 1 603 1.23 MB/sec warmup 17 sec latency 2132.000 ms 23:52:56 (1788839576) shut down facet: mds1 facet_host: oleg340-server facet_failover_host: oleg340-server 1 603 1.16 MB/sec warmup 18 sec latency 3132.368 ms 1 603 1.10 MB/sec warmup 19 sec latency 4132.624 ms 1 603 0.00 MB/sec execute 1 sec latency 6133.883 ms 1 603 0.00 MB/sec execute 2 sec latency 7134.181 ms 1 603 0.00 MB/sec execute 3 sec latency 8137.542 ms 1 603 0.00 MB/sec execute 4 sec latency 9138.645 ms 1 603 0.00 MB/sec execute 5 sec latency 10138.959 ms 1 603 0.00 MB/sec execute 6 sec latency 11139.213 ms 1 603 0.00 MB/sec execute 7 sec latency 12139.539 ms Failover mds1 to oleg340-server 1 603 0.00 MB/sec execute 8 sec latency 13139.694 ms mount facets: mds1 1 603 0.00 MB/sec execute 9 sec latency 14140.846 ms 1 603 0.00 MB/sec execute 10 sec latency 15141.335 ms 1 603 0.00 MB/sec execute 11 sec latency 16141.548 ms 1 603 0.00 MB/sec execute 12 sec latency 17141.795 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 603 0.00 MB/sec execute 13 sec latency 18142.034 ms 1 603 0.00 MB/sec execute 14 sec latency 19142.774 ms 1 603 0.00 MB/sec execute 15 sec latency 20145.749 ms 1 603 0.00 MB/sec execute 16 sec latency 21145.938 ms 1 603 0.00 MB/sec execute 17 sec latency 22146.291 ms 1 603 0.00 MB/sec execute 18 sec latency 23146.484 ms oleg340-server: oleg340-server.virtnet: executing set_default_debug -1 all 1 603 0.00 MB/sec execute 19 sec latency 24146.640 ms pdsh@oleg340-client: oleg340-server: ssh exited with exit code 1 1 603 0.00 MB/sec execute 20 sec latency 25147.133 ms Started lustre-MDT0000 23:53:19 (1788839599) targets are mounted 23:53:19 (1788839599) facet_failover done 1 603 0.00 MB/sec execute 21 sec latency 26147.455 ms 1 603 0.00 MB/sec execute 22 sec latency 27147.720 ms 1 603 0.00 MB/sec execute 23 sec latency 28148.136 ms 1 603 0.00 MB/sec execute 24 sec latency 29148.304 ms 1 603 0.00 MB/sec execute 25 sec latency 30148.729 ms 1 603 0.00 MB/sec execute 26 sec latency 31149.022 ms 1 603 0.00 MB/sec execute 27 sec latency 32155.696 ms 1 603 0.00 MB/sec execute 28 sec latency 33156.403 ms 1 603 0.00 MB/sec execute 29 sec latency 34156.849 ms 1 603 0.00 MB/sec execute 30 sec latency 35157.172 ms 1 603 0.00 MB/sec execute 31 sec latency 36157.866 ms 1 603 0.00 MB/sec execute 32 sec latency 37158.285 ms 1 603 0.00 MB/sec execute 33 sec latency 38159.827 ms 1 603 0.00 MB/sec execute 34 sec latency 39160.348 ms 1 606 0.00 MB/sec execute 35 sec latency 40055.709 ms 1 649 0.00 MB/sec execute 36 sec latency 166.710 ms 1 666 0.01 MB/sec execute 37 sec latency 293.541 ms 1 681 0.01 MB/sec execute 38 sec latency 192.299 ms 1 708 0.01 MB/sec execute 39 sec latency 178.785 ms 1 726 0.01 MB/sec execute 40 sec latency 436.617 ms 1 743 0.01 MB/sec execute 41 sec latency 153.616 ms 1 778 0.01 MB/sec execute 42 sec latency 149.886 ms oleg340-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 791 0.01 MB/sec execute 43 sec latency 429.839 ms 1 801 0.01 MB/sec execute 44 sec latency 248.566 ms 1 821 0.01 MB/sec execute 45 sec latency 298.606 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 865 0.01 MB/sec execute 46 sec latency 154.855 ms 1 878 0.01 MB/sec execute 47 sec latency 364.808 ms 1 902 0.01 MB/sec execute 48 sec latency 161.040 ms 1 923 0.02 MB/sec execute 49 sec latency 228.676 ms 1 959 0.02 MB/sec execute 50 sec latency 122.710 ms 1 980 0.02 MB/sec execute 51 sec latency 224.577 ms 1 1002 0.02 MB/sec execute 52 sec latency 226.065 ms 1 1056 0.04 MB/sec execute 53 sec latency 177.867 ms 1 1124 0.04 MB/sec execute 54 sec latency 108.197 ms 1 1155 0.04 MB/sec execute 55 sec latency 172.544 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1200 0.04 MB/sec execute 56 sec latency 94.809 ms 1 1239 0.04 MB/sec execute 57 sec latency 118.612 ms 1 1285 0.04 MB/sec execute 58 sec latency 104.035 ms 1 1410 0.09 MB/sec execute 59 sec latency 93.102 ms 1 1470 0.08 MB/sec execute 60 sec latency 107.663 ms 1 1504 0.08 MB/sec execute 61 sec latency 309.862 ms 1 1561 0.08 MB/sec execute 62 sec latency 113.505 ms 1 1602 0.08 MB/sec execute 63 sec latency 109.970 ms 1 1632 0.08 MB/sec execute 64 sec latency 319.011 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1673 0.08 MB/sec execute 65 sec latency 327.977 ms stopping dbench on /mnt/lustre at Mon Sep 7 23:54:04 EDT 2026 with return code 0 47250 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47250 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished