== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:07:58 (1787342878) Starting client oleg116-client.virtnet: -o user_xattr,flock 192.168.201.116@tcp:/lustre /mnt/lustre Started clients oleg116-client.virtnet: 192.168.201.116@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 65668 Started dbench loop with 65669 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9756 3593088 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7198564 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 21 16:08:05 EDT 2026 waiting for dbench pid 65746 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 0 10 0.00 MB/sec warmup 1 sec latency 99.489 ms 1 56 1.11 MB/sec warmup 2 sec latency 148.138 ms 1 106 1.66 MB/sec warmup 3 sec latency 126.297 ms 1 137 1.50 MB/sec warmup 4 sec latency 187.436 ms 1 158 1.31 MB/sec warmup 5 sec latency 167.799 ms 1 184 1.23 MB/sec warmup 6 sec latency 368.495 ms 1 214 1.19 MB/sec warmup 7 sec latency 536.396 ms 1 247 1.17 MB/sec warmup 8 sec latency 146.633 ms test_26 fail mds1 1 times 1 282 1.16 MB/sec warmup 9 sec latency 126.728 ms 1 315 1.15 MB/sec warmup 10 sec latency 138.995 ms Failing mds1 on oleg116-server 1 348 1.14 MB/sec warmup 11 sec latency 234.669 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 389 1.15 MB/sec warmup 12 sec latency 95.471 ms 1 435 1.18 MB/sec warmup 13 sec latency 134.203 ms 1 483 1.20 MB/sec warmup 14 sec latency 148.042 ms 1 501 1.16 MB/sec warmup 15 sec latency 567.718 ms 16:08:21 (1787342901) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 501 1.09 MB/sec warmup 16 sec latency 1568.772 ms 1 501 1.03 MB/sec warmup 17 sec latency 2570.787 ms 1 501 0.97 MB/sec warmup 18 sec latency 3571.175 ms 1 501 0.92 MB/sec warmup 19 sec latency 4571.832 ms 1 501 0.00 MB/sec execute 1 sec latency 6573.327 ms 1 501 0.00 MB/sec execute 2 sec latency 7573.584 ms 1 501 0.00 MB/sec execute 3 sec latency 8575.458 ms 1 501 0.00 MB/sec execute 4 sec latency 9575.673 ms 1 501 0.00 MB/sec execute 5 sec latency 10575.963 ms Failover mds1 to oleg116-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 11576.129 ms 1 501 0.00 MB/sec execute 7 sec latency 12578.264 ms 1 501 0.00 MB/sec execute 8 sec latency 13579.042 ms 1 501 0.00 MB/sec execute 9 sec latency 14596.269 ms 1 501 0.00 MB/sec execute 10 sec latency 15596.518 ms 1 501 0.00 MB/sec execute 11 sec latency 16602.178 ms 1 501 0.00 MB/sec execute 12 sec latency 17602.415 ms 1 501 0.00 MB/sec execute 13 sec latency 18602.589 ms 1 501 0.00 MB/sec execute 14 sec latency 19603.017 ms 1 501 0.00 MB/sec execute 15 sec latency 20603.604 ms 1 501 0.00 MB/sec execute 16 sec latency 21604.629 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 22604.821 ms 1 501 0.00 MB/sec execute 18 sec latency 23605.162 ms 1 501 0.00 MB/sec execute 19 sec latency 24609.318 ms 1 501 0.00 MB/sec execute 20 sec latency 25609.960 ms 1 501 0.00 MB/sec execute 21 sec latency 26610.177 ms 1 501 0.00 MB/sec execute 22 sec latency 27610.598 ms 1 501 0.00 MB/sec execute 23 sec latency 28610.784 ms 1 501 0.00 MB/sec execute 24 sec latency 29611.106 ms 1 501 0.00 MB/sec execute 25 sec latency 30613.402 ms 1 501 0.00 MB/sec execute 26 sec latency 31613.579 ms 1 501 0.00 MB/sec execute 27 sec latency 32614.261 ms 1 501 0.00 MB/sec execute 28 sec latency 33616.767 ms 1 501 0.00 MB/sec execute 29 sec latency 34617.081 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 30 sec latency 35622.365 ms 1 501 0.00 MB/sec execute 31 sec latency 36624.609 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 502 0.00 MB/sec execute 32 sec latency 37621.525 ms Started lustre-MDT0000 16:08:58 (1787342938) targets are mounted 16:08:58 (1787342938) facet_failover done 1 530 0.03 MB/sec execute 33 sec latency 172.501 ms 1 552 0.05 MB/sec execute 34 sec latency 754.336 ms 1 614 0.10 MB/sec execute 35 sec latency 852.139 ms 1 649 0.10 MB/sec execute 36 sec latency 206.383 ms 1 685 0.10 MB/sec execute 37 sec latency 136.947 ms 1 709 0.10 MB/sec execute 38 sec latency 201.705 ms 1 733 0.10 MB/sec execute 39 sec latency 165.227 ms 1 767 0.10 MB/sec execute 40 sec latency 168.602 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 796 0.10 MB/sec execute 41 sec latency 112.632 ms 1 825 0.10 MB/sec execute 42 sec latency 139.559 ms 1 870 0.10 MB/sec execute 43 sec latency 124.568 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 898 0.10 MB/sec execute 44 sec latency 115.328 ms 1 921 0.10 MB/sec execute 45 sec latency 126.882 ms 1 954 0.09 MB/sec execute 46 sec latency 154.055 ms 1 987 0.09 MB/sec execute 47 sec latency 140.527 ms 1 1058 0.11 MB/sec execute 48 sec latency 92.930 ms 1 1126 0.11 MB/sec execute 49 sec latency 63.193 ms 1 1154 0.11 MB/sec execute 50 sec latency 239.091 ms 1 1172 0.11 MB/sec execute 51 sec latency 445.989 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46772 3559960 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12216 3594720 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58988 7154680 1% /mnt/lustre 1 1173 0.11 MB/sec execute 52 sec latency 1344.039 ms 1 1223 0.11 MB/sec execute 53 sec latency 185.700 ms 1 1254 0.10 MB/sec execute 54 sec latency 127.111 ms 1 1378 0.15 MB/sec execute 55 sec latency 99.431 ms 1 1417 0.15 MB/sec execute 56 sec latency 113.264 ms 1 1441 0.15 MB/sec execute 57 sec latency 193.553 ms 1 1474 0.15 MB/sec execute 58 sec latency 138.116 ms 1 1491 0.15 MB/sec execute 59 sec latency 463.880 ms 1 1518 0.14 MB/sec execute 60 sec latency 142.075 ms 1 1564 0.14 MB/sec execute 61 sec latency 97.163 ms 1 1597 0.14 MB/sec execute 62 sec latency 114.678 ms test_26 fail mds2 2 times 1 1625 0.14 MB/sec execute 63 sec latency 158.902 ms 1 1657 0.14 MB/sec execute 64 sec latency 133.438 ms 1 1691 0.13 MB/sec execute 65 sec latency 137.295 ms Failing mds2 on oleg116-server 1 1753 0.13 MB/sec execute 66 sec latency 85.465 ms Stopping /mnt/lustre-mds2 (opts:) on oleg116-server 1 1814 0.13 MB/sec execute 67 sec latency 134.802 ms 1 1821 0.13 MB/sec execute 68 sec latency 885.830 ms 1 1821 0.13 MB/sec execute 69 sec latency 1886.232 ms 16:09:35 (1787342975) shut down facet: mds2 facet_host: oleg116-server facet_failover_host: oleg116-server 1 1821 0.13 MB/sec execute 70 sec latency 2887.672 ms 1 1821 0.12 MB/sec execute 71 sec latency 3887.906 ms 1 1821 0.12 MB/sec execute 72 sec latency 4888.690 ms 1 1821 0.12 MB/sec execute 73 sec latency 5889.412 ms 1 1821 0.12 MB/sec execute 74 sec latency 6890.228 ms 1 1821 0.12 MB/sec execute 75 sec latency 7890.802 ms 1 1821 0.12 MB/sec execute 76 sec latency 8890.989 ms 1 1821 0.11 MB/sec execute 77 sec latency 9891.593 ms 1 1821 0.11 MB/sec execute 78 sec latency 10891.938 ms 1 1821 0.11 MB/sec execute 79 sec latency 11893.345 ms Failover mds2 to oleg116-server 1 1821 0.11 MB/sec execute 80 sec latency 12894.100 ms mount facets: mds2 1 1821 0.11 MB/sec execute 81 sec latency 13898.160 ms 1 1821 0.11 MB/sec execute 82 sec latency 14898.505 ms 1 1821 0.11 MB/sec execute 83 sec latency 15898.810 ms 1 1821 0.11 MB/sec execute 84 sec latency 16902.629 ms 1 1821 0.10 MB/sec execute 85 sec latency 17903.536 ms 1 1821 0.10 MB/sec execute 86 sec latency 18903.868 ms 1 1821 0.10 MB/sec execute 87 sec latency 19904.207 ms 1 1821 0.10 MB/sec execute 88 sec latency 20904.498 ms 1 1821 0.10 MB/sec execute 89 sec latency 21905.502 ms 1 1821 0.10 MB/sec execute 90 sec latency 22915.254 ms 1 1821 0.10 MB/sec execute 91 sec latency 23915.426 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1821 0.10 MB/sec execute 92 sec latency 24915.800 ms 1 1821 0.10 MB/sec execute 93 sec latency 25916.208 ms 1 1821 0.09 MB/sec execute 94 sec latency 26916.532 ms 1 1821 0.09 MB/sec execute 95 sec latency 27917.997 ms 1 1821 0.09 MB/sec execute 96 sec latency 28918.333 ms 1 1821 0.09 MB/sec execute 97 sec latency 29918.605 ms 1 1821 0.09 MB/sec execute 98 sec latency 30918.864 ms 1 1821 0.09 MB/sec execute 99 sec latency 31920.310 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec 1 cleanup 101 sec pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 cleanup 102 sec 1 cleanup 103 sec Started lustre-MDT0001 16:10:09 (1787343009) targets are mounted 16:10:09 (1787343009) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 233 378.703 37621.501 Close 190 16.452 74.324 Rename 11 97.982 239.053 Unlink 24 31.785 71.994 Qpathinfo 179 20.135 97.135 Qfileinfo 53 3.292 35.982 Qfsinfo 33 5.120 44.170 Sfileinfo 34 77.010 202.051 Find 65 17.632 121.821 WriteX 187 14.614 75.389 ReadX 285 0.197 6.301 Flush 27 77.538 463.845 Throughput 0.0894271 MB/sec 1 clients 1 procs max_latency=37621.525 ms stopping dbench on /mnt/lustre at Fri Aug 21 16:10:12 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-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 Fri Aug 21 16:10:22 EDT 2026 waiting for dbench pid 67792 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 0 8 0.00 MB/sec warmup 1 sec latency 71.616 ms 1 48 0.98 MB/sec warmup 2 sec latency 107.145 ms 1 89 1.37 MB/sec warmup 3 sec latency 128.746 ms 1 121 1.37 MB/sec warmup 4 sec latency 252.780 ms 1 143 1.21 MB/sec warmup 5 sec latency 212.222 ms 1 165 1.13 MB/sec warmup 6 sec latency 164.171 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2408 1268896 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2148 1269156 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20744 3586048 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26484 3579036 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165084 1% /mnt/lustre 1 184 1.05 MB/sec warmup 7 sec latency 343.659 ms 1 197 0.98 MB/sec warmup 8 sec latency 777.482 ms 1 215 0.93 MB/sec warmup 9 sec latency 230.574 ms 1 244 0.92 MB/sec warmup 10 sec latency 160.893 ms 1 277 0.94 MB/sec warmup 11 sec latency 133.835 ms 1 301 0.92 MB/sec warmup 12 sec latency 178.283 ms 1 332 0.92 MB/sec warmup 13 sec latency 148.654 ms 1 339 0.87 MB/sec warmup 14 sec latency 897.014 ms 1 339 0.82 MB/sec warmup 15 sec latency 1898.012 ms 1 361 0.80 MB/sec warmup 16 sec latency 2035.085 ms 1 397 0.83 MB/sec warmup 17 sec latency 108.483 ms 1 436 0.85 MB/sec warmup 18 sec latency 145.768 ms test_26 fail mds1 3 times 1 478 0.88 MB/sec warmup 19 sec latency 125.465 ms Failing mds1 on oleg116-server 1 543 1.37 MB/sec execute 1 sec latency 161.510 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 615 1.62 MB/sec execute 2 sec latency 71.539 ms 1 654 1.11 MB/sec execute 3 sec latency 145.198 ms 1 660 0.85 MB/sec execute 4 sec latency 762.880 ms 1 660 0.68 MB/sec execute 5 sec latency 1766.834 ms 1 660 0.57 MB/sec execute 6 sec latency 2767.123 ms 16:10:49 (1787343049) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 660 0.49 MB/sec execute 7 sec latency 3768.075 ms 1 660 0.43 MB/sec execute 8 sec latency 4769.344 ms 1 660 0.38 MB/sec execute 9 sec latency 5771.226 ms 1 660 0.34 MB/sec execute 10 sec latency 6771.908 ms 1 660 0.31 MB/sec execute 11 sec latency 7772.644 ms 1 660 0.28 MB/sec execute 12 sec latency 8773.074 ms 1 660 0.26 MB/sec execute 13 sec latency 9773.441 ms 1 660 0.24 MB/sec execute 14 sec latency 10776.701 ms 1 660 0.23 MB/sec execute 15 sec latency 11776.983 ms 1 660 0.21 MB/sec execute 16 sec latency 12777.236 ms 1 660 0.20 MB/sec execute 17 sec latency 13777.511 ms Failover mds1 to oleg116-server mount facets: mds1 1 660 0.19 MB/sec execute 18 sec latency 14777.870 ms 1 660 0.18 MB/sec execute 19 sec latency 15779.413 ms 1 660 0.17 MB/sec execute 20 sec latency 16790.689 ms 1 660 0.16 MB/sec execute 21 sec latency 17793.310 ms 1 660 0.16 MB/sec execute 22 sec latency 18794.559 ms 1 660 0.15 MB/sec execute 23 sec latency 19794.872 ms 1 660 0.14 MB/sec execute 24 sec latency 20795.199 ms 1 660 0.14 MB/sec execute 25 sec latency 21795.492 ms 1 660 0.13 MB/sec execute 26 sec latency 22803.582 ms 1 660 0.13 MB/sec execute 27 sec latency 23803.870 ms 1 660 0.12 MB/sec execute 28 sec latency 24806.110 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 660 0.12 MB/sec execute 29 sec latency 25806.332 ms 1 660 0.11 MB/sec execute 30 sec latency 26806.601 ms 1 660 0.11 MB/sec execute 31 sec latency 27806.891 ms 1 660 0.11 MB/sec execute 32 sec latency 28808.744 ms 1 660 0.10 MB/sec execute 33 sec latency 29816.152 ms 1 660 0.10 MB/sec execute 34 sec latency 30817.191 ms 1 660 0.10 MB/sec execute 35 sec latency 31817.330 ms 1 660 0.09 MB/sec execute 36 sec latency 32825.445 ms 1 660 0.09 MB/sec execute 37 sec latency 33825.750 ms 1 660 0.09 MB/sec execute 38 sec latency 34826.036 ms 1 660 0.09 MB/sec execute 39 sec latency 35827.008 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 660 0.09 MB/sec execute 40 sec latency 36829.288 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 660 0.08 MB/sec execute 41 sec latency 37829.471 ms Started lustre-MDT0000 16:11:24 (1787343084) targets are mounted 16:11:24 (1787343084) facet_failover done 1 662 0.08 MB/sec execute 42 sec latency 38721.360 ms 1 692 0.08 MB/sec execute 43 sec latency 129.888 ms 1 713 0.08 MB/sec execute 44 sec latency 164.013 ms 1 740 0.08 MB/sec execute 45 sec latency 169.334 ms 1 786 0.08 MB/sec execute 46 sec latency 108.408 ms 1 811 0.08 MB/sec execute 47 sec latency 155.848 ms 1 863 0.08 MB/sec execute 48 sec latency 108.989 ms 1 884 0.08 MB/sec execute 49 sec latency 135.822 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.08 MB/sec execute 50 sec latency 1108.134 ms 1 892 0.08 MB/sec execute 51 sec latency 1546.884 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 913 0.08 MB/sec execute 52 sec latency 184.208 ms 1 936 0.08 MB/sec execute 53 sec latency 158.810 ms 1 967 0.08 MB/sec execute 54 sec latency 137.999 ms 1 985 0.08 MB/sec execute 55 sec latency 210.365 ms 1 1037 0.09 MB/sec execute 56 sec latency 131.257 ms 1 1084 0.09 MB/sec execute 57 sec latency 81.037 ms 1 1136 0.09 MB/sec execute 58 sec latency 77.685 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1192 0.09 MB/sec execute 59 sec latency 98.554 ms 1 1232 0.09 MB/sec execute 60 sec latency 76.250 ms 1 1274 0.09 MB/sec execute 61 sec latency 89.291 ms 1 1403 0.13 MB/sec execute 62 sec latency 83.608 ms 1 1449 0.13 MB/sec execute 63 sec latency 113.102 ms 1 1481 0.13 MB/sec execute 64 sec latency 303.256 ms 1 1516 0.13 MB/sec execute 65 sec latency 195.356 ms 1 1570 0.13 MB/sec execute 66 sec latency 88.605 ms 1 1609 0.13 MB/sec execute 67 sec latency 130.544 ms 1 1655 0.12 MB/sec execute 68 sec latency 113.625 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 21 16:11:52 EDT 2026 with return code 0 1 1690 0.12 MB/sec execute 69 sec latency 135.324 ms 67792 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67792 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished