== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:47:34 (1789483654) Starting client oleg110-client.virtnet: -o user_xattr,flock 192.168.201.110@tcp:/lustre /mnt/lustre Started clients oleg110-client.virtnet: 192.168.201.110@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 65635 Started dbench loop with 65636 striped dir -i0 -c2 -H fnv_1a_64 /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3584896 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190352 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 Tue Sep 15 10:47:40 EDT 2026 waiting for dbench pid 65715 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 36.495 ms 1 56 1.11 MB/sec warmup 2 sec latency 156.633 ms 1 111 1.75 MB/sec warmup 3 sec latency 133.143 ms 1 134 1.47 MB/sec warmup 4 sec latency 206.937 ms 1 165 1.36 MB/sec warmup 5 sec latency 166.772 ms 1 180 1.22 MB/sec warmup 6 sec latency 619.102 ms 1 187 1.07 MB/sec warmup 7 sec latency 671.459 ms 1 215 1.04 MB/sec warmup 8 sec latency 159.008 ms 1 265 1.10 MB/sec warmup 9 sec latency 131.929 ms test_26 fail mds1 1 times 1 303 1.11 MB/sec warmup 10 sec latency 159.202 ms 1 331 1.09 MB/sec warmup 11 sec latency 137.086 ms Failing mds1 on oleg110-server 1 357 1.06 MB/sec warmup 12 sec latency 190.910 ms Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 390 1.06 MB/sec warmup 13 sec latency 137.518 ms 1 429 1.08 MB/sec warmup 14 sec latency 132.910 ms 1 429 1.01 MB/sec warmup 15 sec latency 1051.690 ms 1 429 0.94 MB/sec warmup 16 sec latency 2051.974 ms 10:47:57 (1789483677) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 429 0.89 MB/sec warmup 17 sec latency 3053.741 ms 1 429 0.84 MB/sec warmup 18 sec latency 4054.930 ms 1 429 0.80 MB/sec warmup 19 sec latency 5058.948 ms 1 429 0.00 MB/sec execute 1 sec latency 7061.591 ms 1 429 0.00 MB/sec execute 2 sec latency 8061.950 ms 1 429 0.00 MB/sec execute 3 sec latency 9062.279 ms 1 429 0.00 MB/sec execute 4 sec latency 10062.512 ms 1 429 0.00 MB/sec execute 5 sec latency 11064.087 ms 1 429 0.00 MB/sec execute 6 sec latency 12064.294 ms 1 429 0.00 MB/sec execute 7 sec latency 13064.419 ms Failover mds1 to oleg110-server mount facets: mds1 1 429 0.00 MB/sec execute 8 sec latency 14067.044 ms 1 429 0.00 MB/sec execute 9 sec latency 15067.266 ms 1 429 0.00 MB/sec execute 10 sec latency 16067.654 ms 1 429 0.00 MB/sec execute 11 sec latency 17068.025 ms 1 429 0.00 MB/sec execute 12 sec latency 18069.242 ms 1 429 0.00 MB/sec execute 13 sec latency 19072.457 ms 1 429 0.00 MB/sec execute 14 sec latency 20072.658 ms 1 429 0.00 MB/sec execute 15 sec latency 21072.849 ms 1 429 0.00 MB/sec execute 16 sec latency 22073.346 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 429 0.00 MB/sec execute 17 sec latency 23073.494 ms 1 429 0.00 MB/sec execute 18 sec latency 24073.799 ms 1 429 0.00 MB/sec execute 19 sec latency 25074.019 ms 1 429 0.00 MB/sec execute 20 sec latency 26074.266 ms 1 429 0.00 MB/sec execute 21 sec latency 27074.855 ms 1 429 0.00 MB/sec execute 22 sec latency 28075.101 ms 1 429 0.00 MB/sec execute 23 sec latency 29075.321 ms 1 429 0.00 MB/sec execute 24 sec latency 30075.837 ms 1 429 0.00 MB/sec execute 25 sec latency 31076.126 ms 1 429 0.00 MB/sec execute 26 sec latency 32076.362 ms 1 429 0.00 MB/sec execute 27 sec latency 33076.597 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 429 0.00 MB/sec execute 28 sec latency 34091.328 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 429 0.00 MB/sec execute 29 sec latency 35096.987 ms 1 443 0.02 MB/sec execute 30 sec latency 35813.269 ms Started lustre-MDT0000 10:48:31 (1789483711) targets are mounted 10:48:31 (1789483711) facet_failover done 1 500 0.08 MB/sec execute 31 sec latency 127.366 ms 1 543 0.12 MB/sec execute 32 sec latency 160.783 ms 1 578 0.13 MB/sec execute 33 sec latency 717.721 ms 1 645 0.17 MB/sec execute 34 sec latency 103.494 ms 1 695 0.17 MB/sec execute 35 sec latency 104.094 ms 1 723 0.17 MB/sec execute 36 sec latency 133.714 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.17 MB/sec execute 37 sec latency 112.636 ms 1 785 0.17 MB/sec execute 38 sec latency 135.657 ms 1 808 0.16 MB/sec execute 39 sec latency 169.460 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 851 0.16 MB/sec execute 40 sec latency 153.195 ms 1 878 0.16 MB/sec execute 41 sec latency 235.688 ms 1 910 0.16 MB/sec execute 42 sec latency 148.928 ms 1 942 0.15 MB/sec execute 43 sec latency 129.525 ms 1 970 0.15 MB/sec execute 44 sec latency 160.406 ms 1 1019 0.16 MB/sec execute 45 sec latency 131.475 ms 1 1074 0.17 MB/sec execute 46 sec latency 78.991 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 12700 3592404 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40744 3562032 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 53444 7154436 1% /mnt/lustre 1 1128 0.17 MB/sec execute 47 sec latency 88.946 ms 1 1157 0.16 MB/sec execute 48 sec latency 128.015 ms 1 1172 0.16 MB/sec execute 49 sec latency 734.644 ms 1 1188 0.16 MB/sec execute 50 sec latency 1079.313 ms 1 1229 0.16 MB/sec execute 51 sec latency 104.837 ms 1 1259 0.15 MB/sec execute 52 sec latency 119.879 ms 1 1387 0.20 MB/sec execute 53 sec latency 82.162 ms 1 1425 0.20 MB/sec execute 54 sec latency 115.567 ms 1 1476 0.20 MB/sec execute 55 sec latency 88.906 ms 1 1511 0.19 MB/sec execute 56 sec latency 116.620 ms 1 1560 0.19 MB/sec execute 57 sec latency 88.998 ms test_26 fail mds2 2 times 1 1601 0.19 MB/sec execute 58 sec latency 161.206 ms 1 1643 0.19 MB/sec execute 59 sec latency 124.883 ms Failing mds2 on oleg110-server 1 1686 0.18 MB/sec execute 60 sec latency 121.562 ms Stopping /mnt/lustre-mds2 (opts:) on oleg110-server 1 1738 0.18 MB/sec execute 61 sec latency 110.720 ms 1 1810 0.18 MB/sec execute 62 sec latency 74.938 ms 1 1877 0.18 MB/sec execute 63 sec latency 72.381 ms 10:49:05 (1789483745) shut down 1 1948 0.18 MB/sec execute 64 sec latency 84.554 ms facet: mds2 facet_host: oleg110-server facet_failover_host: oleg110-server 1 2006 0.17 MB/sec execute 65 sec latency 83.250 ms 1 2139 0.17 MB/sec execute 66 sec latency 41.859 ms 1 2210 0.17 MB/sec execute 67 sec latency 65.887 ms 1 2259 0.17 MB/sec execute 68 sec latency 646.103 ms 1 2259 0.17 MB/sec execute 69 sec latency 1649.832 ms 1 2259 0.17 MB/sec execute 70 sec latency 2651.177 ms 1 2259 0.16 MB/sec execute 71 sec latency 3651.878 ms 1 2259 0.16 MB/sec execute 72 sec latency 4652.111 ms 1 2259 0.16 MB/sec execute 73 sec latency 5654.605 ms 1 2259 0.16 MB/sec execute 74 sec latency 6654.829 ms Failover mds2 to oleg110-server mount facets: mds2 1 2259 0.16 MB/sec execute 75 sec latency 7655.134 ms 1 2259 0.15 MB/sec execute 76 sec latency 8655.588 ms 1 2259 0.15 MB/sec execute 77 sec latency 9656.019 ms 1 2259 0.15 MB/sec execute 78 sec latency 10656.601 ms 1 2259 0.15 MB/sec execute 79 sec latency 11656.912 ms 1 2259 0.15 MB/sec execute 80 sec latency 12658.373 ms 1 2259 0.14 MB/sec execute 81 sec latency 13658.808 ms 1 2259 0.14 MB/sec execute 82 sec latency 14659.085 ms 1 2259 0.14 MB/sec execute 83 sec latency 15659.383 ms 1 2259 0.14 MB/sec execute 84 sec latency 16659.626 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 85 sec latency 17659.831 ms 1 2259 0.14 MB/sec execute 86 sec latency 18660.081 ms 1 2259 0.13 MB/sec execute 87 sec latency 19661.480 ms 1 2259 0.13 MB/sec execute 88 sec latency 20661.858 ms 1 2259 0.13 MB/sec execute 89 sec latency 21662.109 ms 1 2259 0.13 MB/sec execute 90 sec latency 22662.347 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 91 sec latency 23664.465 ms 1 2259 0.13 MB/sec execute 92 sec latency 24664.875 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 2264 0.13 MB/sec execute 93 sec latency 25608.464 ms Started lustre-MDT0001 10:49:34 (1789483774) targets are mounted 10:49:34 (1789483774) facet_failover done 1 2342 0.13 MB/sec execute 94 sec latency 81.574 ms 1 2377 0.13 MB/sec execute 95 sec latency 104.171 ms 1 2410 0.13 MB/sec execute 96 sec latency 121.603 ms 1 2447 0.13 MB/sec execute 97 sec latency 115.041 ms 1 2489 0.14 MB/sec execute 98 sec latency 99.997 ms 1 2574 0.14 MB/sec execute 99 sec latency 82.991 ms 1 cleanup 100 sec oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 101 sec 1 cleanup 102 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 371 215.550 35813.252 Close 318 11.570 70.724 Rename 17 96.315 137.821 Unlink 40 27.193 58.033 Qpathinfo 349 17.005 167.672 Qfileinfo 91 2.063 17.504 Qfsinfo 44 4.212 29.258 Sfileinfo 50 58.511 169.446 Find 119 13.559 42.455 WriteX 318 12.675 82.096 ReadX 431 2.339 84.532 Flush 34 63.832 235.673 Throughput 0.139412 MB/sec 1 clients 1 procs max_latency=35813.269 ms stopping dbench on /mnt/lustre at Tue Sep 15 10:49:45 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench 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 2368 1268936 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2184 1269120 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11492 3594620 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 37284 3568872 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 48776 7163492 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 Tue Sep 15 10:49:53 EDT 2026 waiting for dbench pid 67884 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 12 0.00 MB/sec warmup 1 sec latency 24.658 ms 1 71 1.57 MB/sec warmup 2 sec latency 101.601 ms 1 110 1.75 MB/sec warmup 3 sec latency 405.113 ms 1 111 1.31 MB/sec warmup 4 sec latency 1153.604 ms 1 139 1.20 MB/sec warmup 5 sec latency 263.087 ms 1 178 1.20 MB/sec warmup 6 sec latency 141.434 ms 1 199 1.12 MB/sec warmup 7 sec latency 404.276 ms test_26 fail mds1 3 times 1 239 1.14 MB/sec warmup 8 sec latency 151.078 ms 1 277 1.15 MB/sec warmup 9 sec latency 137.216 ms Failing mds1 on oleg110-server 1 315 1.15 MB/sec warmup 10 sec latency 123.964 ms Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 349 1.14 MB/sec warmup 11 sec latency 135.683 ms 1 357 1.06 MB/sec warmup 12 sec latency 696.792 ms 1 357 0.98 MB/sec warmup 13 sec latency 1697.926 ms 1 357 0.91 MB/sec warmup 14 sec latency 2701.330 ms 1 357 0.85 MB/sec warmup 15 sec latency 3701.979 ms 1 357 0.80 MB/sec warmup 16 sec latency 4702.145 ms 1 357 0.75 MB/sec warmup 17 sec latency 5702.391 ms 1 357 0.71 MB/sec warmup 18 sec latency 6702.697 ms 1 357 0.67 MB/sec warmup 19 sec latency 7702.921 ms 10:50:12 (1789483812) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 357 0.00 MB/sec execute 1 sec latency 9705.425 ms 1 357 0.00 MB/sec execute 2 sec latency 10705.749 ms 1 357 0.00 MB/sec execute 3 sec latency 11709.073 ms 1 357 0.00 MB/sec execute 4 sec latency 12709.423 ms 1 357 0.00 MB/sec execute 5 sec latency 13709.678 ms 1 357 0.00 MB/sec execute 6 sec latency 14709.939 ms 1 357 0.00 MB/sec execute 7 sec latency 15710.181 ms 1 357 0.00 MB/sec execute 8 sec latency 16710.392 ms 1 357 0.00 MB/sec execute 9 sec latency 17710.778 ms Failover mds1 to oleg110-server mount facets: mds1 1 357 0.00 MB/sec execute 10 sec latency 18710.985 ms 1 357 0.00 MB/sec execute 11 sec latency 19711.242 ms 1 357 0.00 MB/sec execute 12 sec latency 20714.771 ms 1 357 0.00 MB/sec execute 13 sec latency 21714.967 ms 1 357 0.00 MB/sec execute 14 sec latency 22715.185 ms 1 357 0.00 MB/sec execute 15 sec latency 23715.486 ms 1 357 0.00 MB/sec execute 16 sec latency 24715.735 ms 1 357 0.00 MB/sec execute 17 sec latency 25715.904 ms 1 357 0.00 MB/sec execute 18 sec latency 26716.073 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 357 0.00 MB/sec execute 19 sec latency 27716.460 ms 1 357 0.00 MB/sec execute 20 sec latency 28717.619 ms 1 357 0.00 MB/sec execute 21 sec latency 29719.333 ms 1 357 0.00 MB/sec execute 22 sec latency 30719.586 ms 1 357 0.00 MB/sec execute 23 sec latency 31719.794 ms 1 357 0.00 MB/sec execute 24 sec latency 32720.869 ms 1 357 0.00 MB/sec execute 25 sec latency 33721.502 ms 1 357 0.00 MB/sec execute 26 sec latency 34722.267 ms 1 357 0.00 MB/sec execute 27 sec latency 35722.562 ms 1 357 0.00 MB/sec execute 28 sec latency 36722.793 ms 1 357 0.00 MB/sec execute 29 sec latency 37723.108 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 357 0.00 MB/sec execute 30 sec latency 38726.628 ms 1 357 0.00 MB/sec execute 31 sec latency 39727.191 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 357 0.00 MB/sec execute 32 sec latency 40732.829 ms Started lustre-MDT0000 10:50:45 (1789483845) targets are mounted 10:50:45 (1789483845) facet_failover done 1 369 0.01 MB/sec execute 33 sec latency 41216.596 ms 1 406 0.05 MB/sec execute 34 sec latency 323.631 ms 1 445 0.08 MB/sec execute 35 sec latency 117.825 ms 1 485 0.12 MB/sec execute 36 sec latency 130.602 ms 1 513 0.13 MB/sec execute 37 sec latency 112.934 ms 1 581 0.18 MB/sec execute 38 sec latency 143.657 ms 1 638 0.21 MB/sec execute 39 sec latency 161.954 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 666 0.21 MB/sec execute 40 sec latency 141.507 ms 1 708 0.21 MB/sec execute 41 sec latency 116.402 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 735 0.20 MB/sec execute 42 sec latency 117.275 ms 1 769 0.20 MB/sec execute 43 sec latency 135.566 ms 1 804 0.20 MB/sec execute 44 sec latency 126.560 ms 1 856 0.20 MB/sec execute 45 sec latency 94.206 ms 1 888 0.19 MB/sec execute 46 sec latency 126.447 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 916 0.19 MB/sec execute 47 sec latency 132.203 ms 1 951 0.19 MB/sec execute 48 sec latency 93.152 ms 1 983 0.19 MB/sec execute 49 sec latency 110.921 ms 1 1035 0.20 MB/sec execute 50 sec latency 161.933 ms 1 1035 0.20 MB/sec execute 51 sec latency 1181.144 ms 1 1076 0.19 MB/sec execute 52 sec latency 1191.845 ms 1 1129 0.19 MB/sec execute 53 sec latency 95.313 ms 1 1172 0.19 MB/sec execute 54 sec latency 107.556 ms 1 1214 0.19 MB/sec execute 55 sec latency 101.179 ms 1 1255 0.18 MB/sec execute 56 sec latency 115.019 ms 1 1399 0.23 MB/sec execute 57 sec latency 96.461 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 10:51:11 EDT 2026 with return code 0 67884 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67884 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished