== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:01:10 (1787828470) Starting client oleg433-client.virtnet: -o user_xattr,flock 192.168.204.133@tcp:/lustre /mnt/lustre Started clients oleg433-client.virtnet: 192.168.204.133@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 46556 Started dbench loop with 46558 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 1414116 1716 1269588 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 1412 3605608 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1408 3584928 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 2820 7190536 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 Thu Aug 27 07:01:16 EDT 2026 waiting for dbench pid 46626 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 39 1.38 MB/sec warmup 1 sec latency 77.389 ms 1 98 2.22 MB/sec warmup 2 sec latency 121.549 ms 1 137 2.00 MB/sec warmup 3 sec latency 190.600 ms 1 172 1.76 MB/sec warmup 4 sec latency 148.195 ms 1 189 1.51 MB/sec warmup 5 sec latency 272.186 ms 1 223 1.43 MB/sec warmup 6 sec latency 194.347 ms 1 266 1.41 MB/sec warmup 7 sec latency 127.057 ms 1 300 1.37 MB/sec warmup 8 sec latency 184.760 ms test_26 fail mds1 1 times 1 341 1.36 MB/sec warmup 9 sec latency 117.648 ms Failing mds1 on oleg433-server 1 381 1.35 MB/sec warmup 10 sec latency 118.995 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 427 1.37 MB/sec warmup 11 sec latency 143.829 ms 1 461 1.34 MB/sec warmup 12 sec latency 445.053 ms 1 461 1.24 MB/sec warmup 13 sec latency 1445.840 ms 07:01:30 (1787828490) shut down 1 461 1.15 MB/sec warmup 14 sec latency 2446.443 ms facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 461 1.08 MB/sec warmup 15 sec latency 3447.625 ms 1 461 1.01 MB/sec warmup 16 sec latency 4447.852 ms 1 461 0.95 MB/sec warmup 17 sec latency 5448.148 ms 1 461 0.90 MB/sec warmup 18 sec latency 6451.177 ms 1 461 0.85 MB/sec warmup 19 sec latency 7451.950 ms 1 461 0.00 MB/sec execute 1 sec latency 9452.918 ms 1 461 0.00 MB/sec execute 2 sec latency 10453.756 ms 1 461 0.00 MB/sec execute 3 sec latency 11453.983 ms 1 461 0.00 MB/sec execute 4 sec latency 12454.280 ms Failover mds1 to oleg433-server mount facets: mds1 1 461 0.00 MB/sec execute 5 sec latency 13454.480 ms 1 461 0.00 MB/sec execute 6 sec latency 14454.699 ms 1 461 0.00 MB/sec execute 7 sec latency 15454.966 ms 1 461 0.00 MB/sec execute 8 sec latency 16455.215 ms 1 461 0.00 MB/sec execute 9 sec latency 17455.548 ms 1 461 0.00 MB/sec execute 10 sec latency 18455.815 ms 1 461 0.00 MB/sec execute 11 sec latency 19456.089 ms 1 461 0.00 MB/sec execute 12 sec latency 20457.901 ms 1 461 0.00 MB/sec execute 13 sec latency 21458.134 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 461 0.00 MB/sec execute 14 sec latency 22459.142 ms 1 461 0.00 MB/sec execute 15 sec latency 23460.067 ms 1 461 0.00 MB/sec execute 16 sec latency 24461.788 ms 1 461 0.00 MB/sec execute 17 sec latency 25462.107 ms 1 461 0.00 MB/sec execute 18 sec latency 26462.726 ms 1 461 0.00 MB/sec execute 19 sec latency 27463.833 ms 1 461 0.00 MB/sec execute 20 sec latency 28464.361 ms 1 461 0.00 MB/sec execute 21 sec latency 29466.900 ms 1 461 0.00 MB/sec execute 22 sec latency 30467.139 ms 1 461 0.00 MB/sec execute 23 sec latency 31467.367 ms 1 461 0.00 MB/sec execute 24 sec latency 32467.744 ms 1 461 0.00 MB/sec execute 25 sec latency 33468.655 ms 1 461 0.00 MB/sec execute 26 sec latency 34470.401 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 27 sec latency 35470.591 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 28 sec latency 36471.227 ms Started lustre-MDT0000 07:02:05 (1787828525) targets are mounted 07:02:05 (1787828525) facet_failover done 1 461 0.00 MB/sec execute 29 sec latency 37475.012 ms 1 461 0.00 MB/sec execute 30 sec latency 38475.203 ms 1 461 0.00 MB/sec execute 31 sec latency 39475.432 ms 1 461 0.00 MB/sec execute 32 sec latency 40475.705 ms 1 461 0.00 MB/sec execute 33 sec latency 41476.059 ms 1 461 0.00 MB/sec execute 34 sec latency 42477.123 ms 1 461 0.00 MB/sec execute 35 sec latency 43477.360 ms 1 461 0.00 MB/sec execute 36 sec latency 44481.898 ms 1 464 0.00 MB/sec execute 37 sec latency 45430.675 ms 1 501 0.03 MB/sec execute 38 sec latency 114.695 ms 1 533 0.06 MB/sec execute 39 sec latency 139.891 ms 1 614 0.12 MB/sec execute 40 sec latency 79.974 ms 1 664 0.12 MB/sec execute 41 sec latency 114.183 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 706 0.12 MB/sec execute 42 sec latency 123.879 ms 1 735 0.12 MB/sec execute 43 sec latency 127.016 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.12 MB/sec execute 44 sec latency 159.827 ms 1 796 0.12 MB/sec execute 45 sec latency 119.166 ms 1 845 0.12 MB/sec execute 46 sec latency 97.272 ms 1 884 0.12 MB/sec execute 47 sec latency 94.990 ms 1 884 0.11 MB/sec execute 48 sec latency 1004.320 ms 1 902 0.11 MB/sec execute 49 sec latency 1253.188 ms 1 923 0.11 MB/sec execute 50 sec latency 168.368 ms 1 967 0.11 MB/sec execute 51 sec latency 148.081 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1836 1269468 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 20452 3582936 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35332 3570596 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55784 7153532 1% /mnt/lustre 1 988 0.11 MB/sec execute 52 sec latency 150.268 ms 1 1051 0.13 MB/sec execute 53 sec latency 97.517 ms 1 1082 0.13 MB/sec execute 54 sec latency 159.738 ms 1 1127 0.12 MB/sec execute 55 sec latency 124.123 ms 1 1155 0.12 MB/sec execute 56 sec latency 100.099 ms 1 1188 0.12 MB/sec execute 57 sec latency 293.723 ms 1 1196 0.12 MB/sec execute 58 sec latency 1128.863 ms 1 1226 0.12 MB/sec execute 59 sec latency 109.447 ms 1 1261 0.12 MB/sec execute 60 sec latency 107.619 ms 1 1395 0.16 MB/sec execute 61 sec latency 98.463 ms test_26 fail mds1 2 times 1 1431 0.16 MB/sec execute 62 sec latency 133.875 ms 1 1470 0.16 MB/sec execute 63 sec latency 385.145 ms Failing mds1 on oleg433-server 1 1511 0.15 MB/sec execute 64 sec latency 124.449 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 1566 0.15 MB/sec execute 65 sec latency 72.118 ms 1 1566 0.15 MB/sec execute 66 sec latency 1009.899 ms 1 1566 0.15 MB/sec execute 67 sec latency 2010.345 ms 07:02:43 (1787828563) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 1566 0.15 MB/sec execute 68 sec latency 3011.254 ms 1 1566 0.14 MB/sec execute 69 sec latency 4011.548 ms 1 1566 0.14 MB/sec execute 70 sec latency 5011.786 ms 1 1566 0.14 MB/sec execute 71 sec latency 6012.129 ms 1 1566 0.14 MB/sec execute 72 sec latency 7013.386 ms 1 1566 0.14 MB/sec execute 73 sec latency 8013.973 ms 1 1566 0.13 MB/sec execute 74 sec latency 9014.267 ms 1 1566 0.13 MB/sec execute 75 sec latency 10014.480 ms 1 1566 0.13 MB/sec execute 76 sec latency 11015.607 ms 1 1566 0.13 MB/sec execute 77 sec latency 12016.571 ms Failover mds1 to oleg433-server mount facets: mds1 1 1566 0.13 MB/sec execute 78 sec latency 13017.021 ms 1 1566 0.13 MB/sec execute 79 sec latency 14018.351 ms 1 1566 0.12 MB/sec execute 80 sec latency 15019.214 ms 1 1566 0.12 MB/sec execute 81 sec latency 16020.661 ms 1 1566 0.12 MB/sec execute 82 sec latency 17021.537 ms 1 1566 0.12 MB/sec execute 83 sec latency 18021.814 ms 1 1566 0.12 MB/sec execute 84 sec latency 19022.138 ms 1 1566 0.12 MB/sec execute 85 sec latency 20022.443 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 1566 0.12 MB/sec execute 86 sec latency 21023.515 ms 1 1566 0.11 MB/sec execute 87 sec latency 22024.569 ms 1 1566 0.11 MB/sec execute 88 sec latency 23025.749 ms 1 1566 0.11 MB/sec execute 89 sec latency 24026.296 ms 1 1566 0.11 MB/sec execute 90 sec latency 25027.287 ms 1 1566 0.11 MB/sec execute 91 sec latency 26027.536 ms 1 1566 0.11 MB/sec execute 92 sec latency 27028.021 ms 1 1566 0.11 MB/sec execute 93 sec latency 28028.392 ms 1 1566 0.11 MB/sec execute 94 sec latency 29028.775 ms 1 1566 0.10 MB/sec execute 95 sec latency 30030.446 ms 1 1566 0.10 MB/sec execute 96 sec latency 31035.990 ms 1 1566 0.10 MB/sec execute 97 sec latency 32039.157 ms 1 1566 0.10 MB/sec execute 98 sec latency 33041.004 ms 1 1566 0.10 MB/sec execute 99 sec latency 34041.348 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0000 07:03:18 (1787828598) targets are mounted 07:03:18 (1787828598) facet_failover done 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 1 cleanup 109 sec 1 cleanup 110 sec 0 cleanup 111 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 168 590.222 45430.657 Close 145 21.630 1128.831 Rename 10 96.655 150.241 Unlink 21 28.478 46.339 Qpathinfo 132 21.900 159.710 Qfileinfo 47 2.648 29.709 Qfsinfo 33 4.218 18.448 Sfileinfo 34 66.612 105.293 Find 55 7.497 55.558 WriteX 195 14.629 124.434 ReadX 241 3.257 76.779 Flush 25 51.538 119.144 Throughput 0.100397 MB/sec 1 clients 1 procs max_latency=45430.675 ms stopping dbench on /mnt/lustre at Thu Aug 27 07:03:27 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg433-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 Thu Aug 27 07:03:32 EDT 2026 waiting for dbench pid 48688 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 37 1.24 MB/sec warmup 1 sec latency 90.100 ms 1 111 2.61 MB/sec warmup 2 sec latency 95.153 ms 1 148 2.08 MB/sec warmup 3 sec latency 118.688 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1992 1269312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3833116 11168 3595764 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35792 3569036 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46960 7164800 1% /mnt/lustre 1 184 1.82 MB/sec warmup 4 sec latency 118.046 ms 1 207 1.61 MB/sec warmup 5 sec latency 369.149 ms 1 239 1.52 MB/sec warmup 6 sec latency 143.147 ms 1 279 1.49 MB/sec warmup 7 sec latency 175.270 ms 1 313 1.43 MB/sec warmup 8 sec latency 123.875 ms 1 339 1.36 MB/sec warmup 9 sec latency 157.340 ms 1 339 1.22 MB/sec warmup 10 sec latency 1157.592 ms 1 358 1.16 MB/sec warmup 11 sec latency 1653.963 ms 1 408 1.19 MB/sec warmup 12 sec latency 87.480 ms 1 461 1.24 MB/sec warmup 13 sec latency 107.275 ms test_26 fail mds1 3 times 1 504 1.24 MB/sec warmup 14 sec latency 115.844 ms 1 575 1.29 MB/sec warmup 15 sec latency 144.366 ms Failing mds1 on oleg433-server 1 644 1.31 MB/sec warmup 16 sec latency 100.389 ms Stopping /mnt/lustre-mds1 (opts:) on oleg433-server 1 695 1.24 MB/sec warmup 17 sec latency 98.323 ms 1 699 1.18 MB/sec warmup 18 sec latency 877.859 ms 1 699 1.11 MB/sec warmup 19 sec latency 1883.080 ms 07:03:52 (1787828632) shut down facet: mds1 facet_host: oleg433-server facet_failover_host: oleg433-server 1 699 0.00 MB/sec execute 1 sec latency 3890.256 ms 1 699 0.00 MB/sec execute 2 sec latency 4891.104 ms 1 699 0.00 MB/sec execute 3 sec latency 5891.827 ms 1 699 0.00 MB/sec execute 4 sec latency 6892.073 ms 1 699 0.00 MB/sec execute 5 sec latency 7893.902 ms 1 699 0.00 MB/sec execute 6 sec latency 8896.566 ms 1 699 0.00 MB/sec execute 7 sec latency 9896.850 ms 1 699 0.00 MB/sec execute 8 sec latency 10899.646 ms 1 699 0.00 MB/sec execute 9 sec latency 11903.076 ms Failover mds1 to oleg433-server 1 699 0.00 MB/sec execute 10 sec latency 12907.885 ms mount facets: mds1 1 699 0.00 MB/sec execute 11 sec latency 13909.167 ms 1 699 0.00 MB/sec execute 12 sec latency 14909.811 ms 1 699 0.00 MB/sec execute 13 sec latency 15910.156 ms 1 699 0.00 MB/sec execute 14 sec latency 16910.312 ms 1 699 0.00 MB/sec execute 15 sec latency 17910.519 ms 1 699 0.00 MB/sec execute 16 sec latency 18912.695 ms 1 699 0.00 MB/sec execute 17 sec latency 19913.033 ms 1 699 0.00 MB/sec execute 18 sec latency 20913.379 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 699 0.00 MB/sec execute 19 sec latency 21913.695 ms 1 699 0.00 MB/sec execute 20 sec latency 22914.166 ms 1 699 0.00 MB/sec execute 21 sec latency 23914.849 ms 1 699 0.00 MB/sec execute 22 sec latency 24915.105 ms 1 699 0.00 MB/sec execute 23 sec latency 25915.409 ms 1 699 0.00 MB/sec execute 24 sec latency 26915.616 ms 1 699 0.00 MB/sec execute 25 sec latency 27915.868 ms 1 699 0.00 MB/sec execute 26 sec latency 28916.120 ms 1 699 0.00 MB/sec execute 27 sec latency 29916.892 ms 1 699 0.00 MB/sec execute 28 sec latency 30926.091 ms 1 699 0.00 MB/sec execute 29 sec latency 31926.360 ms 1 699 0.00 MB/sec execute 30 sec latency 32927.050 ms 1 699 0.00 MB/sec execute 31 sec latency 33927.593 ms oleg433-server: oleg433-server.virtnet: executing set_default_debug -1 all 1 699 0.00 MB/sec execute 32 sec latency 34929.659 ms pdsh@oleg433-client: oleg433-server: ssh exited with exit code 1 1 699 0.00 MB/sec execute 33 sec latency 35930.229 ms Started lustre-MDT0000 07:04:26 (1787828666) targets are mounted 07:04:26 (1787828666) facet_failover done 1 699 0.00 MB/sec execute 34 sec latency 36930.581 ms 1 699 0.00 MB/sec execute 35 sec latency 37933.716 ms 1 699 0.00 MB/sec execute 36 sec latency 38934.092 ms 1 699 0.00 MB/sec execute 37 sec latency 39934.326 ms 1 699 0.00 MB/sec execute 38 sec latency 40934.581 ms 1 699 0.00 MB/sec execute 39 sec latency 41934.835 ms 1 699 0.00 MB/sec execute 40 sec latency 42935.772 ms 1 699 0.00 MB/sec execute 41 sec latency 43937.320 ms 1 699 0.00 MB/sec execute 42 sec latency 44939.387 ms 1 710 0.00 MB/sec execute 43 sec latency 45454.194 ms 1 738 0.00 MB/sec execute 44 sec latency 144.167 ms 1 789 0.01 MB/sec execute 45 sec latency 92.277 ms 1 825 0.01 MB/sec execute 46 sec latency 95.728 ms 1 882 0.01 MB/sec execute 47 sec latency 112.804 ms 1 884 0.01 MB/sec execute 48 sec latency 976.363 ms oleg433-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 907 0.01 MB/sec execute 49 sec latency 1268.439 ms 1 938 0.01 MB/sec execute 50 sec latency 106.645 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 980 0.01 MB/sec execute 51 sec latency 104.560 ms 1 1000 0.02 MB/sec execute 52 sec latency 135.128 ms 1 1059 0.03 MB/sec execute 53 sec latency 159.025 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1119 0.03 MB/sec execute 54 sec latency 95.067 ms 1 1158 0.03 MB/sec execute 55 sec latency 127.381 ms 1 1202 0.03 MB/sec execute 56 sec latency 90.174 ms 1 1235 0.03 MB/sec execute 57 sec latency 87.220 ms 1 1290 0.04 MB/sec execute 58 sec latency 115.399 ms 1 1418 0.08 MB/sec execute 59 sec latency 115.345 ms 1 1461 0.08 MB/sec execute 60 sec latency 98.310 ms 1 1492 0.08 MB/sec execute 61 sec latency 384.819 ms 1 1535 0.08 MB/sec execute 62 sec latency 97.339 ms 1 1572 0.08 MB/sec execute 63 sec latency 85.094 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 07:04:56 EDT 2026 with return code 0 1 1609 0.08 MB/sec execute 64 sec latency 86.882 ms 48688 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48688 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished