== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:29:06 (1788542946) Starting client oleg618-client.virtnet: -o user_xattr,flock 192.168.206.118@tcp:/lustre /mnt/lustre Started clients oleg618-client.virtnet: 192.168.206.118@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 45183 Started dbench loop with 45184 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 3744768 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7506944 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 Sep 4 13:29:13 EDT 2026 waiting for dbench pid 45252 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 23 0.59 MB/sec warmup 1 sec latency 107.645 ms 1 86 1.97 MB/sec warmup 2 sec latency 154.496 ms 1 129 1.92 MB/sec warmup 3 sec latency 177.603 ms 1 165 1.70 MB/sec warmup 4 sec latency 151.808 ms test_26 fail mds1 1 times 1 189 1.51 MB/sec warmup 5 sec latency 161.534 ms 1 216 1.39 MB/sec warmup 6 sec latency 188.865 ms Failing mds1 on oleg618-server 1 253 1.37 MB/sec warmup 7 sec latency 156.006 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 279 1.30 MB/sec warmup 8 sec latency 192.252 ms 1 289 1.19 MB/sec warmup 9 sec latency 559.628 ms 1 289 1.07 MB/sec warmup 10 sec latency 1568.891 ms 1 289 0.97 MB/sec warmup 11 sec latency 2569.659 ms 13:29:25 (1788542965) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 289 0.89 MB/sec warmup 12 sec latency 3571.940 ms 1 289 0.82 MB/sec warmup 13 sec latency 4572.197 ms 1 289 0.76 MB/sec warmup 14 sec latency 5572.446 ms 1 289 0.71 MB/sec warmup 15 sec latency 6572.680 ms 1 289 0.67 MB/sec warmup 16 sec latency 7573.038 ms 1 289 0.63 MB/sec warmup 17 sec latency 8573.376 ms 1 289 0.59 MB/sec warmup 18 sec latency 9573.685 ms 1 289 0.56 MB/sec warmup 19 sec latency 10576.367 ms 1 289 0.00 MB/sec execute 1 sec latency 12576.701 ms Failover mds1 to oleg618-server mount facets: mds1 1 289 0.00 MB/sec execute 2 sec latency 13578.703 ms 1 289 0.00 MB/sec execute 3 sec latency 14581.506 ms 1 289 0.00 MB/sec execute 4 sec latency 15583.524 ms 1 289 0.00 MB/sec execute 5 sec latency 16583.907 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 6 sec latency 17584.272 ms 1 289 0.00 MB/sec execute 7 sec latency 18584.691 ms 1 289 0.00 MB/sec execute 8 sec latency 19585.037 ms 1 289 0.00 MB/sec execute 9 sec latency 20585.542 ms 1 289 0.00 MB/sec execute 10 sec latency 21587.122 ms 1 289 0.00 MB/sec execute 11 sec latency 22588.583 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 297 0.02 MB/sec execute 12 sec latency 23391.674 ms 1 332 0.10 MB/sec execute 13 sec latency 173.139 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 Started lustre-MDT0000 1 381 0.20 MB/sec execute 14 sec latency 111.097 ms 13:29:47 (1788542987) targets are mounted 13:29:47 (1788542987) facet_failover done 1 424 0.28 MB/sec execute 15 sec latency 106.284 ms 1 462 0.34 MB/sec execute 16 sec latency 143.541 ms 1 493 0.38 MB/sec execute 17 sec latency 158.966 ms 1 522 0.41 MB/sec execute 18 sec latency 200.199 ms 1 603 0.54 MB/sec execute 19 sec latency 125.490 ms 1 655 0.52 MB/sec execute 20 sec latency 128.835 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.50 MB/sec execute 21 sec latency 223.251 ms 1 718 0.48 MB/sec execute 22 sec latency 124.012 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 731 0.46 MB/sec execute 23 sec latency 292.452 ms 1 764 0.44 MB/sec execute 24 sec latency 126.468 ms 1 789 0.43 MB/sec execute 25 sec latency 160.314 ms 1 816 0.41 MB/sec execute 26 sec latency 231.726 ms 1 865 0.40 MB/sec execute 27 sec latency 96.818 ms 1 892 0.39 MB/sec execute 28 sec latency 258.643 ms 1 919 0.38 MB/sec execute 29 sec latency 176.625 ms 1 964 0.37 MB/sec execute 30 sec latency 99.764 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 44032 3648512 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3703808 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 56320 7352320 1% /mnt/lustre 1 985 0.36 MB/sec execute 31 sec latency 190.325 ms 1 1041 0.38 MB/sec execute 32 sec latency 118.294 ms 1 1085 0.37 MB/sec execute 33 sec latency 112.056 ms 1 1132 0.36 MB/sec execute 34 sec latency 98.092 ms 1 1180 0.35 MB/sec execute 35 sec latency 131.119 ms 1 1223 0.34 MB/sec execute 36 sec latency 107.560 ms test_26 fail mds1 2 times 1 1257 0.33 MB/sec execute 37 sec latency 145.107 ms 1 1381 0.40 MB/sec execute 38 sec latency 96.259 ms Failing mds1 on oleg618-server 1 1412 0.39 MB/sec execute 39 sec latency 160.403 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 1447 0.38 MB/sec execute 40 sec latency 131.603 ms 1 1486 0.37 MB/sec execute 41 sec latency 259.041 ms 1 1486 0.36 MB/sec execute 42 sec latency 1167.282 ms 1 1486 0.36 MB/sec execute 43 sec latency 2167.536 ms 1 1486 0.35 MB/sec execute 44 sec latency 3167.772 ms 1 1486 0.34 MB/sec execute 45 sec latency 4177.264 ms 13:30:19 (1788543019) shut down 1 1486 0.33 MB/sec execute 46 sec latency 5177.782 ms facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 1486 0.33 MB/sec execute 47 sec latency 6181.207 ms 1 1486 0.32 MB/sec execute 48 sec latency 7183.907 ms 1 1486 0.31 MB/sec execute 49 sec latency 8184.166 ms 1 1486 0.31 MB/sec execute 50 sec latency 9184.472 ms 1 1486 0.30 MB/sec execute 51 sec latency 10184.726 ms 1 1486 0.29 MB/sec execute 52 sec latency 11185.336 ms 1 1486 0.29 MB/sec execute 53 sec latency 12185.601 ms 1 1486 0.28 MB/sec execute 54 sec latency 13190.885 ms 1 1486 0.28 MB/sec execute 55 sec latency 14191.106 ms 1 1486 0.27 MB/sec execute 56 sec latency 15191.934 ms Failover mds1 to oleg618-server mount facets: mds1 1 1486 0.27 MB/sec execute 57 sec latency 16197.904 ms 1 1486 0.26 MB/sec execute 58 sec latency 17198.137 ms 1 1486 0.26 MB/sec execute 59 sec latency 18199.430 ms 1 1486 0.26 MB/sec execute 60 sec latency 19200.137 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1486 0.25 MB/sec execute 61 sec latency 20200.288 ms 1 1486 0.25 MB/sec execute 62 sec latency 21201.832 ms 1 1486 0.24 MB/sec execute 63 sec latency 22202.134 ms 1 1486 0.24 MB/sec execute 64 sec latency 23203.904 ms 1 1486 0.24 MB/sec execute 65 sec latency 24204.491 ms 1 1486 0.23 MB/sec execute 66 sec latency 25204.873 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 1486 0.23 MB/sec execute 67 sec latency 26205.117 ms 1 1486 0.23 MB/sec execute 68 sec latency 27206.286 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 Started lustre-MDT0000 13:30:42 (1788543042) targets are mounted 13:30:42 (1788543042) facet_failover done 1 1486 0.22 MB/sec execute 69 sec latency 28206.688 ms 1 1486 0.22 MB/sec execute 70 sec latency 29206.937 ms 1 1486 0.22 MB/sec execute 71 sec latency 30207.395 ms 1 1486 0.21 MB/sec execute 72 sec latency 31207.601 ms 1 1486 0.21 MB/sec execute 73 sec latency 32207.828 ms 1 1486 0.21 MB/sec execute 74 sec latency 33209.118 ms 1 1486 0.20 MB/sec execute 75 sec latency 34209.404 ms 1 1486 0.20 MB/sec execute 76 sec latency 35209.675 ms 1 1486 0.20 MB/sec execute 77 sec latency 36210.018 ms 1 1486 0.20 MB/sec execute 78 sec latency 37211.989 ms 1 1486 0.19 MB/sec execute 79 sec latency 38212.236 ms 1 1486 0.19 MB/sec execute 80 sec latency 39212.700 ms 1 1486 0.19 MB/sec execute 81 sec latency 40213.235 ms 1 1486 0.19 MB/sec execute 82 sec latency 41218.645 ms 1 1509 0.18 MB/sec execute 83 sec latency 41730.818 ms 1 1552 0.18 MB/sec execute 84 sec latency 122.907 ms 1 1593 0.18 MB/sec execute 85 sec latency 78.288 ms 1 1632 0.18 MB/sec execute 86 sec latency 262.861 ms 1 1662 0.18 MB/sec execute 87 sec latency 272.961 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1696 0.18 MB/sec execute 88 sec latency 126.902 ms 1 1769 0.17 MB/sec execute 89 sec latency 67.730 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1816 0.17 MB/sec execute 90 sec latency 131.337 ms 1 1855 0.17 MB/sec execute 91 sec latency 100.537 ms 1 1886 0.17 MB/sec execute 92 sec latency 130.765 ms 1 1936 0.17 MB/sec execute 93 sec latency 272.712 ms 1 1984 0.17 MB/sec execute 94 sec latency 115.246 ms 1 2047 0.17 MB/sec execute 95 sec latency 127.434 ms 1 2113 0.17 MB/sec execute 96 sec latency 132.513 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 56320 3699712 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 17408 3747840 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7447552 1% /mnt/lustre 1 2152 0.16 MB/sec execute 97 sec latency 114.907 ms 1 2170 0.16 MB/sec execute 98 sec latency 245.573 ms 1 2212 0.16 MB/sec execute 99 sec latency 117.667 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec test_26 fail mds1 3 times 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 350 249.344 41730.800 Close 304 13.588 43.923 Rename 11 103.748 160.283 Unlink 30 35.173 87.530 Qpathinfo 296 16.316 111.994 Qfileinfo 95 2.134 26.419 Qfsinfo 35 3.439 20.593 Sfileinfo 34 60.225 122.496 Find 93 8.005 67.542 WriteX 365 13.603 96.105 ReadX 362 2.374 109.076 Flush 30 142.247 292.430 Throughput 0.161989 MB/sec 1 clients 1 procs max_latency=41730.818 ms stopping dbench on /mnt/lustre at Fri Sep 4 13:31:17 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre Failing mds1 on oleg618-server removed 'client.txt' /mnt/lustre dbench successfully finished Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 13:31:23 (1788543083) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server Failover mds1 to oleg618-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 Started lustre-MDT0000 13:31:46 (1788543106) targets are mounted 13:31:46 (1788543106) facet_failover done 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 Sep 4 13:32:04 EDT 2026 waiting for dbench pid 47817 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 2.09 MB/sec warmup 1 sec latency 98.870 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 109 2.59 MB/sec warmup 2 sec latency 112.359 ms 1 137 2.00 MB/sec warmup 3 sec latency 299.531 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 165 1.70 MB/sec warmup 4 sec latency 150.616 ms 1 199 1.57 MB/sec warmup 5 sec latency 127.619 ms 1 247 1.57 MB/sec warmup 6 sec latency 114.610 ms 1 282 1.49 MB/sec warmup 7 sec latency 128.489 ms 1 315 1.43 MB/sec warmup 8 sec latency 161.286 ms 1 350 1.39 MB/sec warmup 9 sec latency 148.932 ms 1 390 1.38 MB/sec warmup 10 sec latency 109.434 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 25600 3704832 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 34816 3697664 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 60416 7402496 1% /mnt/lustre 1 438 1.40 MB/sec warmup 11 sec latency 98.326 ms 1 472 1.37 MB/sec warmup 12 sec latency 129.675 ms 1 511 1.36 MB/sec warmup 13 sec latency 121.033 ms 1 579 1.40 MB/sec warmup 14 sec latency 144.443 ms 1 652 1.40 MB/sec warmup 15 sec latency 97.410 ms test_26 fail mds1 4 times 1 676 1.32 MB/sec warmup 16 sec latency 243.163 ms 1 710 1.25 MB/sec warmup 17 sec latency 164.023 ms Failing mds1 on oleg618-server 1 728 1.18 MB/sec warmup 18 sec latency 282.598 ms Stopping /mnt/lustre-mds1 (opts:) on oleg618-server 1 762 1.12 MB/sec warmup 19 sec latency 116.890 ms 1 778 0.00 MB/sec execute 1 sec latency 1625.583 ms 1 778 0.00 MB/sec execute 2 sec latency 2625.837 ms 13:32:27 (1788543147) shut down facet: mds1 facet_host: oleg618-server facet_failover_host: oleg618-server 1 778 0.00 MB/sec execute 3 sec latency 3626.081 ms 1 778 0.00 MB/sec execute 4 sec latency 4626.387 ms 1 778 0.00 MB/sec execute 5 sec latency 5628.870 ms 1 778 0.00 MB/sec execute 6 sec latency 6629.282 ms 1 778 0.00 MB/sec execute 7 sec latency 7629.571 ms 1 778 0.00 MB/sec execute 8 sec latency 8629.840 ms 1 778 0.00 MB/sec execute 9 sec latency 9630.807 ms 1 778 0.00 MB/sec execute 10 sec latency 10630.987 ms 1 778 0.00 MB/sec execute 11 sec latency 11631.302 ms 1 778 0.00 MB/sec execute 12 sec latency 12631.603 ms Failover mds1 to oleg618-server mount facets: mds1 1 778 0.00 MB/sec execute 13 sec latency 13631.800 ms 1 778 0.00 MB/sec execute 14 sec latency 14632.310 ms 1 778 0.00 MB/sec execute 15 sec latency 15633.784 ms 1 778 0.00 MB/sec execute 16 sec latency 16634.045 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 778 0.00 MB/sec execute 17 sec latency 17639.551 ms 1 778 0.00 MB/sec execute 18 sec latency 18639.798 ms 1 778 0.00 MB/sec execute 19 sec latency 19640.277 ms 1 778 0.00 MB/sec execute 20 sec latency 20640.782 ms 1 778 0.00 MB/sec execute 21 sec latency 21641.078 ms 1 778 0.00 MB/sec execute 22 sec latency 22641.337 ms 1 789 0.00 MB/sec execute 23 sec latency 23116.739 ms oleg618-server: oleg618-server.virtnet: executing set_default_debug -1 all 1 806 0.00 MB/sec execute 24 sec latency 289.149 ms pdsh@oleg618-client: oleg618-server: ssh exited with exit code 1 1 861 0.01 MB/sec execute 25 sec latency 119.642 ms Started lustre-MDT0000 13:32:50 (1788543170) targets are mounted 13:32:50 (1788543170) facet_failover done 1 885 0.01 MB/sec execute 26 sec latency 250.230 ms 1 910 0.01 MB/sec execute 27 sec latency 161.151 ms 1 933 0.01 MB/sec execute 28 sec latency 283.986 ms 1 970 0.02 MB/sec execute 29 sec latency 143.843 ms 1 990 0.02 MB/sec execute 30 sec latency 317.428 ms 1 1018 0.03 MB/sec execute 31 sec latency 271.990 ms 1 1077 0.05 MB/sec execute 32 sec latency 85.648 ms oleg618-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1128 0.05 MB/sec execute 33 sec latency 100.687 ms 1 1177 0.05 MB/sec execute 34 sec latency 120.573 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1224 0.05 MB/sec execute 35 sec latency 100.160 ms 1 1265 0.05 MB/sec execute 36 sec latency 110.845 ms 1 1403 0.13 MB/sec execute 37 sec latency 63.577 ms 1 1446 0.12 MB/sec execute 38 sec latency 127.658 ms 1 1490 0.12 MB/sec execute 39 sec latency 298.386 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1535 0.12 MB/sec execute 40 sec latency 96.615 ms 1 1591 0.12 MB/sec execute 41 sec latency 68.286 ms 1 1632 0.11 MB/sec execute 42 sec latency 200.439 ms 1 1660 0.11 MB/sec execute 43 sec latency 366.706 ms 1 1692 0.11 MB/sec execute 44 sec latency 147.873 ms 1 1746 0.11 MB/sec execute 45 sec latency 124.498 ms 1 1799 0.11 MB/sec execute 46 sec latency 101.564 ms 1 1849 0.11 MB/sec execute 47 sec latency 132.441 ms 1 1888 0.10 MB/sec execute 48 sec latency 191.943 ms 1 1932 0.10 MB/sec execute 49 sec latency 302.239 ms 1 1982 0.10 MB/sec execute 50 sec latency 135.366 ms 1 2014 0.10 MB/sec execute 51 sec latency 111.938 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 13:33:16 EDT 2026 with return code 0 1 2071 0.10 MB/sec execute 52 sec latency 121.786 ms 47817 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47817 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished