== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:28:15 (1782487695) Starting client oleg436-client.virtnet: -o user_xattr,flock 192.168.204.136@tcp:/lustre /mnt/lustre Started clients oleg436-client.virtnet: 192.168.204.136@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 44889 Started dbench loop with 44890 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 Jun 26 11:28:17 EDT 2026 waiting for dbench pid 44922 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210304 2176 2206080 1% /mnt/lustre[MDT:0] 1 122 5.50 MB/sec warmup 1 sec latency 59.604 ms lustre-OST0000_UUID 3771392 2048 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3725312 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 30720 7450624 1% /mnt/lustre 1 214 4.18 MB/sec warmup 2 sec latency 52.709 ms 1 323 3.91 MB/sec warmup 3 sec latency 46.068 ms 1 438 3.85 MB/sec warmup 4 sec latency 40.350 ms test_26 fail mds1 1 times 1 542 3.82 MB/sec warmup 5 sec latency 49.966 ms Failing mds1 on oleg436-server Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 674 3.53 MB/sec warmup 6 sec latency 168.452 ms 11:28:24 (1782487704) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 674 3.02 MB/sec warmup 7 sec latency 1168.658 ms 1 674 2.65 MB/sec warmup 8 sec latency 2168.833 ms 1 674 2.35 MB/sec warmup 9 sec latency 3169.018 ms 1 674 2.12 MB/sec warmup 10 sec latency 4169.174 ms 1 674 1.92 MB/sec warmup 11 sec latency 5169.368 ms 1 674 1.76 MB/sec warmup 12 sec latency 6170.909 ms 1 674 1.63 MB/sec warmup 13 sec latency 7171.113 ms 1 674 1.51 MB/sec warmup 14 sec latency 8171.272 ms 1 674 1.41 MB/sec warmup 15 sec latency 9171.423 ms 1 674 1.32 MB/sec warmup 16 sec latency 10171.629 ms 1 674 1.25 MB/sec warmup 17 sec latency 11171.780 ms Failover mds1 to oleg436-server mount facets: mds1 1 674 1.18 MB/sec warmup 18 sec latency 12171.948 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 674 1.11 MB/sec warmup 19 sec latency 13172.158 ms 1 674 0.00 MB/sec execute 1 sec latency 15172.415 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 Started lustre-MDT0000 11:28:39 (1782487719) targets are mounted 11:28:39 (1782487719) facet_failover done 1 674 0.00 MB/sec execute 2 sec latency 16172.539 ms 1 674 0.00 MB/sec execute 3 sec latency 17174.099 ms 1 728 0.03 MB/sec execute 4 sec latency 17508.626 ms 1 796 0.06 MB/sec execute 5 sec latency 88.995 ms oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 878 0.08 MB/sec execute 6 sec latency 88.202 ms 1 955 0.09 MB/sec execute 7 sec latency 84.308 ms 1 1011 0.14 MB/sec execute 8 sec latency 111.206 ms 1 1145 0.20 MB/sec execute 9 sec latency 98.524 ms 1 1242 0.19 MB/sec execute 10 sec latency 43.083 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3668992 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 45056 3599360 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7268352 1% /mnt/lustre 1 1404 0.44 MB/sec execute 11 sec latency 49.213 ms 1 1509 0.41 MB/sec execute 12 sec latency 57.964 ms 1 1578 0.38 MB/sec execute 13 sec latency 69.704 ms test_26 fail mds1 2 times 1 1660 0.36 MB/sec execute 14 sec latency 78.557 ms Failing mds1 on oleg436-server 1 1785 0.34 MB/sec execute 15 sec latency 46.448 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 1859 0.32 MB/sec execute 16 sec latency 453.835 ms 11:28:54 (1782487734) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 1859 0.30 MB/sec execute 17 sec latency 1454.013 ms 1 1859 0.29 MB/sec execute 18 sec latency 2454.209 ms 1 1859 0.27 MB/sec execute 19 sec latency 3454.391 ms 1 1859 0.26 MB/sec execute 20 sec latency 4454.683 ms 1 1859 0.25 MB/sec execute 21 sec latency 5454.889 ms 1 1859 0.24 MB/sec execute 22 sec latency 6455.071 ms 1 1859 0.23 MB/sec execute 23 sec latency 7455.246 ms 1 1859 0.22 MB/sec execute 24 sec latency 8455.467 ms 1 1859 0.21 MB/sec execute 25 sec latency 9455.637 ms 1 1859 0.20 MB/sec execute 26 sec latency 10455.827 ms Failover mds1 to oleg436-server 1 1859 0.19 MB/sec execute 27 sec latency 11455.996 ms mount facets: mds1 1 1859 0.19 MB/sec execute 28 sec latency 12456.164 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1859 0.18 MB/sec execute 29 sec latency 13456.401 ms 1 1859 0.17 MB/sec execute 30 sec latency 14456.650 ms 1 1859 0.17 MB/sec execute 31 sec latency 15456.832 ms 1 1859 0.16 MB/sec execute 32 sec latency 16457.462 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all 1 1859 0.16 MB/sec execute 33 sec latency 17457.712 ms pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 Started lustre-MDT0000 11:29:11 (1782487751) targets are mounted 11:29:11 (1782487751) facet_failover done 1 1871 0.15 MB/sec execute 34 sec latency 18226.829 ms 1 1901 0.15 MB/sec execute 35 sec latency 249.321 ms 1 1943 0.15 MB/sec execute 36 sec latency 125.041 ms 1 1978 0.14 MB/sec execute 37 sec latency 178.067 ms 1 2002 0.14 MB/sec execute 38 sec latency 173.580 ms 1 2020 0.14 MB/sec execute 39 sec latency 183.112 ms 1 2066 0.14 MB/sec execute 40 sec latency 146.257 ms 1 2080 0.13 MB/sec execute 41 sec latency 770.560 ms oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2088 0.13 MB/sec execute 42 sec latency 1062.794 ms 1 2110 0.13 MB/sec execute 43 sec latency 381.257 ms 1 2112 0.12 MB/sec execute 44 sec latency 959.286 ms 1 2145 0.12 MB/sec execute 45 sec latency 1134.564 ms 1 2152 0.12 MB/sec execute 46 sec latency 905.834 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2156 0.12 MB/sec execute 47 sec latency 511.860 ms 1 2158 0.12 MB/sec execute 48 sec latency 824.977 ms 1 2170 0.11 MB/sec execute 49 sec latency 946.286 ms 1 2204 0.11 MB/sec execute 50 sec latency 359.743 ms 1 2235 0.11 MB/sec execute 51 sec latency 410.389 ms 1 2296 0.13 MB/sec execute 52 sec latency 500.433 ms 1 2348 0.13 MB/sec execute 53 sec latency 234.258 ms 1 2376 0.13 MB/sec execute 54 sec latency 230.244 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2816 2205696 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3726336 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 60416 3673088 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 74752 7399424 2% /mnt/lustre 1 2391 0.12 MB/sec execute 55 sec latency 407.845 ms 1 2416 0.12 MB/sec execute 56 sec latency 112.725 ms 1 2428 0.12 MB/sec execute 57 sec latency 568.037 ms 1 2453 0.12 MB/sec execute 58 sec latency 177.681 ms 1 2477 0.13 MB/sec execute 59 sec latency 230.378 ms 1 2495 0.13 MB/sec execute 60 sec latency 295.674 ms 1 2562 0.13 MB/sec execute 61 sec latency 128.462 ms 1 2566 0.12 MB/sec execute 62 sec latency 835.956 ms test_26 fail mds1 3 times 1 2566 0.12 MB/sec execute 63 sec latency 1836.482 ms 1 2566 0.12 MB/sec execute 64 sec latency 2848.585 ms 1 2574 0.12 MB/sec execute 65 sec latency 3351.524 ms 1 2597 0.12 MB/sec execute 66 sec latency 133.067 ms Failing mds1 on oleg436-server 1 2618 0.12 MB/sec execute 67 sec latency 274.326 ms 1 2752 0.16 MB/sec execute 68 sec latency 147.546 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 2776 0.16 MB/sec execute 69 sec latency 363.470 ms 1 2894 0.17 MB/sec execute 70 sec latency 252.102 ms 1 2894 0.16 MB/sec execute 71 sec latency 1252.622 ms 1 2894 0.16 MB/sec execute 72 sec latency 2253.008 ms 1 2894 0.16 MB/sec execute 73 sec latency 3253.352 ms 11:29:51 (1782487791) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 2894 0.16 MB/sec execute 74 sec latency 4254.382 ms 1 2894 0.15 MB/sec execute 75 sec latency 5256.586 ms 1 2894 0.15 MB/sec execute 76 sec latency 6256.970 ms 1 2894 0.15 MB/sec execute 77 sec latency 7259.926 ms 1 2894 0.15 MB/sec execute 78 sec latency 8260.287 ms 1 2894 0.15 MB/sec execute 79 sec latency 9262.975 ms 1 2894 0.14 MB/sec execute 80 sec latency 10268.093 ms 1 2894 0.14 MB/sec execute 81 sec latency 11268.276 ms 1 2894 0.14 MB/sec execute 82 sec latency 12269.929 ms 1 2894 0.14 MB/sec execute 83 sec latency 13270.109 ms Failover mds1 to oleg436-server 1 2894 0.14 MB/sec execute 84 sec latency 14286.888 ms mount facets: mds1 1 2894 0.14 MB/sec execute 85 sec latency 15287.030 ms 1 2894 0.13 MB/sec execute 86 sec latency 16287.202 ms 1 2894 0.13 MB/sec execute 87 sec latency 17287.750 ms 1 2894 0.13 MB/sec execute 88 sec latency 18287.982 ms 1 2894 0.13 MB/sec execute 89 sec latency 19290.482 ms 1 2894 0.13 MB/sec execute 90 sec latency 20291.463 ms 1 2894 0.13 MB/sec execute 91 sec latency 21291.677 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2894 0.13 MB/sec execute 92 sec latency 22291.929 ms 1 2894 0.12 MB/sec execute 93 sec latency 23292.244 ms 1 2894 0.12 MB/sec execute 94 sec latency 24295.911 ms 1 2894 0.12 MB/sec execute 95 sec latency 25297.981 ms 1 2894 0.12 MB/sec execute 96 sec latency 26298.235 ms 1 2894 0.12 MB/sec execute 97 sec latency 27298.495 ms 1 2894 0.12 MB/sec execute 98 sec latency 28298.751 ms 1 2894 0.12 MB/sec execute 99 sec latency 29302.805 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 oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all 1 cleanup 106 sec 1 cleanup 107 sec pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 1 cleanup 108 sec Started lustre-MDT0000 11:30:26 (1782487826) targets are mounted 11:30:26 (1782487826) facet_failover done 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 0 cleanup 116 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 366 58.132 1062.750 Close 311 147.432 40876.934 Rename 18 71.687 177.663 Unlink 41 24.673 92.303 Qpathinfo 360 67.098 18226.816 Qfileinfo 74 2.533 25.885 Qfsinfo 48 4.122 35.220 Sfileinfo 48 421.063 17508.613 Find 122 5.815 34.484 WriteX 208 11.115 97.848 ReadX 591 1.853 125.003 LockX 2 13.155 16.433 UnlockX 2 11.444 12.411 Flush 30 116.498 568.019 Throughput 0.11721 MB/sec 1 clients 1 procs max_latency=29302.805 ms stopping dbench on /mnt/lustre at Fri Jun 26 11:30:34 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid removed 'client.txt' /mnt/lustre dbench successfully finished 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 Jun 26 11:30:41 EDT 2026 waiting for dbench pid 47902 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 51 2.10 MB/sec warmup 1 sec latency 148.120 ms 1 113 2.62 MB/sec warmup 2 sec latency 164.075 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 3072 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 49152 3686400 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7448576 1% /mnt/lustre 1 140 2.00 MB/sec warmup 3 sec latency 204.918 ms 1 166 1.70 MB/sec warmup 4 sec latency 168.248 ms 1 185 1.47 MB/sec warmup 5 sec latency 266.056 ms 1 207 1.35 MB/sec warmup 6 sec latency 245.428 ms 1 236 1.28 MB/sec warmup 7 sec latency 246.642 ms 1 271 1.27 MB/sec warmup 8 sec latency 146.057 ms 1 297 1.22 MB/sec warmup 9 sec latency 150.190 ms 1 321 1.17 MB/sec warmup 10 sec latency 199.695 ms test_26 fail mds1 4 times 1 339 1.11 MB/sec warmup 11 sec latency 240.075 ms 1 357 1.06 MB/sec warmup 12 sec latency 239.269 ms 1 380 1.04 MB/sec warmup 13 sec latency 199.803 ms Failing mds1 on oleg436-server 1 384 0.97 MB/sec warmup 14 sec latency 700.519 ms 1 413 0.97 MB/sec warmup 15 sec latency 203.298 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 430 0.94 MB/sec warmup 16 sec latency 222.045 ms 1 458 0.94 MB/sec warmup 17 sec latency 182.170 ms 1 461 0.90 MB/sec warmup 18 sec latency 938.498 ms 1 461 0.85 MB/sec warmup 19 sec latency 1938.865 ms 11:31:01 (1782487861) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 461 0.00 MB/sec execute 1 sec latency 3947.062 ms 1 461 0.00 MB/sec execute 2 sec latency 4947.234 ms 1 461 0.00 MB/sec execute 3 sec latency 5948.238 ms 1 461 0.00 MB/sec execute 4 sec latency 6950.088 ms 1 461 0.00 MB/sec execute 5 sec latency 7954.045 ms 1 461 0.00 MB/sec execute 6 sec latency 8955.071 ms 1 461 0.00 MB/sec execute 7 sec latency 9957.677 ms 1 461 0.00 MB/sec execute 8 sec latency 10958.919 ms 1 461 0.00 MB/sec execute 9 sec latency 11959.116 ms 1 461 0.00 MB/sec execute 10 sec latency 12959.405 ms Failover mds1 to oleg436-server mount facets: mds1 1 461 0.00 MB/sec execute 11 sec latency 13966.262 ms 1 461 0.00 MB/sec execute 12 sec latency 14966.463 ms 1 461 0.00 MB/sec execute 13 sec latency 15966.767 ms 1 461 0.00 MB/sec execute 14 sec latency 16976.211 ms 1 461 0.00 MB/sec execute 15 sec latency 17976.436 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 461 0.00 MB/sec execute 16 sec latency 18979.409 ms 1 461 0.00 MB/sec execute 17 sec latency 19983.373 ms 1 461 0.00 MB/sec execute 18 sec latency 20983.653 ms 1 461 0.00 MB/sec execute 19 sec latency 21983.849 ms 1 461 0.00 MB/sec execute 20 sec latency 22984.234 ms 1 461 0.00 MB/sec execute 21 sec latency 23984.507 ms 1 461 0.00 MB/sec execute 22 sec latency 24986.018 ms 1 461 0.00 MB/sec execute 23 sec latency 25987.672 ms 1 461 0.00 MB/sec execute 24 sec latency 26990.724 ms 1 461 0.00 MB/sec execute 25 sec latency 27990.903 ms 1 461 0.00 MB/sec execute 26 sec latency 28991.117 ms 1 461 0.00 MB/sec execute 27 sec latency 29991.396 ms 1 461 0.00 MB/sec execute 28 sec latency 30992.770 ms 1 461 0.00 MB/sec execute 29 sec latency 31994.898 ms 1 461 0.00 MB/sec execute 30 sec latency 32995.079 ms 1 461 0.00 MB/sec execute 31 sec latency 34000.352 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 32 sec latency 35004.874 ms Started lustre-MDT0000 1 461 0.00 MB/sec execute 33 sec latency 36009.951 ms 11:31:34 (1782487894) targets are mounted 11:31:34 (1782487894) facet_failover done 1 461 0.00 MB/sec execute 34 sec latency 37010.851 ms 1 461 0.00 MB/sec execute 35 sec latency 38011.315 ms 1 461 0.00 MB/sec execute 36 sec latency 39011.627 ms 1 461 0.00 MB/sec execute 37 sec latency 40012.188 ms 1 461 0.00 MB/sec execute 38 sec latency 41018.671 ms 1 493 0.03 MB/sec execute 39 sec latency 41365.323 ms 1 529 0.05 MB/sec execute 40 sec latency 131.049 ms 1 629 0.12 MB/sec execute 41 sec latency 116.936 ms 1 666 0.12 MB/sec execute 42 sec latency 282.743 ms oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 699 0.12 MB/sec execute 43 sec latency 119.193 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 723 0.12 MB/sec execute 44 sec latency 301.800 ms 1 747 0.11 MB/sec execute 45 sec latency 169.320 ms 1 789 0.11 MB/sec execute 46 sec latency 114.340 ms 1 815 0.11 MB/sec execute 47 sec latency 169.750 ms 1 873 0.11 MB/sec execute 48 sec latency 95.449 ms 1 907 0.11 MB/sec execute 49 sec latency 170.486 ms 1 949 0.11 MB/sec execute 50 sec latency 170.211 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 983 0.11 MB/sec execute 51 sec latency 192.472 ms 1 1063 0.13 MB/sec execute 52 sec latency 70.097 ms 1 1129 0.13 MB/sec execute 53 sec latency 72.886 ms 1 1180 0.13 MB/sec execute 54 sec latency 122.518 ms 1 1232 0.13 MB/sec execute 55 sec latency 76.181 ms 1 1277 0.12 MB/sec execute 56 sec latency 117.651 ms 1 1405 0.17 MB/sec execute 57 sec latency 73.923 ms 1 1468 0.17 MB/sec execute 58 sec latency 66.645 ms 1 1509 0.17 MB/sec execute 59 sec latency 248.210 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1566 0.17 MB/sec execute 60 sec latency 84.703 ms stopping dbench on /mnt/lustre at Fri Jun 26 11:32:01 EDT 2026 with return code 0 47902 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47902 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished