== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:07:48 (1786187268) Starting client oleg121-client.virtnet: -o user_xattr,flock 192.168.201.121@tcp:/lustre /mnt/lustre Started clients oleg121-client.virtnet: 192.168.201.121@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 65723 Started dbench loop with 65724 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1956 1269348 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1744 1269560 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 5640 3588964 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7194420 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 Sat Aug 8 07:07:56 EDT 2026 waiting for dbench pid 65802 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 8 0.00 MB/sec warmup 1 sec latency 26.854 ms 1 31 0.52 MB/sec warmup 2 sec latency 162.498 ms 1 72 1.05 MB/sec warmup 3 sec latency 196.244 ms 1 112 1.31 MB/sec warmup 4 sec latency 214.268 ms 1 138 1.20 MB/sec warmup 5 sec latency 180.566 ms 1 157 1.09 MB/sec warmup 6 sec latency 217.445 ms 1 184 1.05 MB/sec warmup 7 sec latency 166.471 ms 1 197 0.98 MB/sec warmup 8 sec latency 621.495 ms 1 224 0.96 MB/sec warmup 9 sec latency 181.498 ms 1 253 0.96 MB/sec warmup 10 sec latency 207.364 ms 1 287 0.97 MB/sec warmup 11 sec latency 115.226 ms test_26 fail mds1 1 times 1 313 0.96 MB/sec warmup 12 sec latency 236.903 ms 1 339 0.94 MB/sec warmup 13 sec latency 175.101 ms Failing mds1 on oleg121-server 1 357 0.91 MB/sec warmup 14 sec latency 281.270 ms 1 381 0.90 MB/sec warmup 15 sec latency 153.360 ms Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 405 0.90 MB/sec warmup 16 sec latency 243.210 ms 1 421 0.87 MB/sec warmup 17 sec latency 589.585 ms 1 421 0.82 MB/sec warmup 18 sec latency 1590.930 ms 1 421 0.78 MB/sec warmup 19 sec latency 2593.093 ms 07:08:15 (1786187295) shut down facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 421 0.00 MB/sec execute 1 sec latency 4595.795 ms 1 421 0.00 MB/sec execute 2 sec latency 5596.735 ms 1 421 0.00 MB/sec execute 3 sec latency 6598.638 ms 1 421 0.00 MB/sec execute 4 sec latency 7599.247 ms 1 421 0.00 MB/sec execute 5 sec latency 8599.536 ms 1 421 0.00 MB/sec execute 6 sec latency 9602.224 ms 1 421 0.00 MB/sec execute 7 sec latency 10602.778 ms 1 421 0.00 MB/sec execute 8 sec latency 11603.201 ms 1 421 0.00 MB/sec execute 9 sec latency 12603.394 ms Failover mds1 to oleg121-server mount facets: mds1 1 421 0.00 MB/sec execute 10 sec latency 13603.609 ms 1 421 0.00 MB/sec execute 11 sec latency 14605.828 ms 1 421 0.00 MB/sec execute 12 sec latency 15606.122 ms 1 421 0.00 MB/sec execute 13 sec latency 16607.033 ms 1 421 0.00 MB/sec execute 14 sec latency 17615.939 ms 1 421 0.00 MB/sec execute 15 sec latency 18620.006 ms 1 421 0.00 MB/sec execute 16 sec latency 19621.106 ms 1 421 0.00 MB/sec execute 17 sec latency 20621.483 ms 1 421 0.00 MB/sec execute 18 sec latency 21621.788 ms 1 421 0.00 MB/sec execute 19 sec latency 22622.807 ms 1 421 0.00 MB/sec execute 20 sec latency 23623.061 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 421 0.00 MB/sec execute 21 sec latency 24623.455 ms 1 421 0.00 MB/sec execute 22 sec latency 25623.896 ms 1 421 0.00 MB/sec execute 23 sec latency 26630.588 ms 1 421 0.00 MB/sec execute 24 sec latency 27631.510 ms 1 421 0.00 MB/sec execute 25 sec latency 28632.083 ms 1 421 0.00 MB/sec execute 26 sec latency 29632.449 ms 1 421 0.00 MB/sec execute 27 sec latency 30633.311 ms 1 421 0.00 MB/sec execute 28 sec latency 31633.778 ms 1 421 0.00 MB/sec execute 29 sec latency 32635.011 ms 1 421 0.00 MB/sec execute 30 sec latency 33635.237 ms 1 421 0.00 MB/sec execute 31 sec latency 34635.557 ms 1 421 0.00 MB/sec execute 32 sec latency 35637.826 ms 1 421 0.00 MB/sec execute 33 sec latency 36638.991 ms oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 421 0.00 MB/sec execute 34 sec latency 37640.297 ms 1 421 0.00 MB/sec execute 35 sec latency 38642.486 ms pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 421 0.00 MB/sec execute 36 sec latency 39642.684 ms Started lustre-MDT0000 07:08:53 (1786187333) targets are mounted 07:08:53 (1786187333) facet_failover done 1 445 0.02 MB/sec execute 37 sec latency 40026.039 ms 1 485 0.05 MB/sec execute 38 sec latency 101.859 ms 1 503 0.07 MB/sec execute 39 sec latency 178.539 ms 1 527 0.08 MB/sec execute 40 sec latency 216.969 ms 1 552 0.10 MB/sec execute 41 sec latency 441.867 ms 1 586 0.12 MB/sec execute 42 sec latency 947.320 ms 1 639 0.14 MB/sec execute 43 sec latency 79.939 ms 1 664 0.14 MB/sec execute 44 sec latency 159.932 ms 1 692 0.14 MB/sec execute 45 sec latency 141.537 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 713 0.14 MB/sec execute 46 sec latency 189.021 ms 1 736 0.14 MB/sec execute 47 sec latency 142.457 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.13 MB/sec execute 48 sec latency 158.492 ms 1 781 0.13 MB/sec execute 49 sec latency 219.587 ms 1 806 0.13 MB/sec execute 50 sec latency 184.977 ms 1 845 0.13 MB/sec execute 51 sec latency 142.150 ms 1 873 0.13 MB/sec execute 52 sec latency 157.217 ms 1 888 0.13 MB/sec execute 53 sec latency 282.160 ms 1 905 0.13 MB/sec execute 54 sec latency 161.084 ms 1 925 0.13 MB/sec execute 55 sec latency 145.023 ms 1 959 0.12 MB/sec execute 56 sec latency 134.819 ms 1 983 0.12 MB/sec execute 57 sec latency 141.330 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17776 3576964 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35276 3568724 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53052 7145688 1% /mnt/lustre 1 1018 0.13 MB/sec execute 58 sec latency 171.220 ms 1 1061 0.14 MB/sec execute 59 sec latency 83.876 ms 1 1082 0.13 MB/sec execute 60 sec latency 187.693 ms 1 1118 0.13 MB/sec execute 61 sec latency 104.315 ms 1 1145 0.13 MB/sec execute 62 sec latency 146.263 ms 1 1167 0.13 MB/sec execute 63 sec latency 174.551 ms 1 1172 0.13 MB/sec execute 64 sec latency 932.584 ms 1 1193 0.13 MB/sec execute 65 sec latency 1240.953 ms 1 1233 0.12 MB/sec execute 66 sec latency 77.003 ms 1 1264 0.12 MB/sec execute 67 sec latency 148.393 ms 1 1388 0.16 MB/sec execute 68 sec latency 117.289 ms 1 1415 0.16 MB/sec execute 69 sec latency 139.670 ms 1 1465 0.16 MB/sec execute 70 sec latency 97.504 ms test_26 fail mds2 2 times 1 1493 0.16 MB/sec execute 71 sec latency 132.621 ms Failing mds2 on oleg121-server 1 1538 0.16 MB/sec execute 72 sec latency 122.426 ms 1 1582 0.15 MB/sec execute 73 sec latency 72.541 ms Stopping /mnt/lustre-mds2 (opts:) on oleg121-server 1 1625 0.15 MB/sec execute 74 sec latency 134.754 ms 1 1677 0.15 MB/sec execute 75 sec latency 96.829 ms 1 1727 0.15 MB/sec execute 76 sec latency 91.069 ms 1 1771 0.15 MB/sec execute 77 sec latency 97.060 ms 1 1808 0.15 MB/sec execute 78 sec latency 111.773 ms 1 1851 0.15 MB/sec execute 79 sec latency 111.997 ms 1 1950 0.14 MB/sec execute 80 sec latency 96.025 ms 1 2018 0.14 MB/sec execute 81 sec latency 93.982 ms 1 2065 0.14 MB/sec execute 82 sec latency 161.886 ms 1 2108 0.14 MB/sec execute 83 sec latency 140.704 ms 1 2156 0.14 MB/sec execute 84 sec latency 90.251 ms 07:09:41 (1786187381) shut down facet: mds2 facet_host: oleg121-server facet_failover_host: oleg121-server 1 2194 0.14 MB/sec execute 85 sec latency 109.735 ms 1 2259 0.14 MB/sec execute 86 sec latency 451.884 ms 1 2259 0.14 MB/sec execute 87 sec latency 1452.163 ms 1 2259 0.14 MB/sec execute 88 sec latency 2454.206 ms 1 2259 0.13 MB/sec execute 89 sec latency 3454.621 ms 1 2259 0.13 MB/sec execute 90 sec latency 4454.841 ms 1 2259 0.13 MB/sec execute 91 sec latency 5455.099 ms 1 2259 0.13 MB/sec execute 92 sec latency 6456.175 ms 1 2259 0.13 MB/sec execute 93 sec latency 7456.436 ms 1 2259 0.13 MB/sec execute 94 sec latency 8462.105 ms Failover mds2 to oleg121-server 1 2259 0.13 MB/sec execute 95 sec latency 9478.628 ms mount facets: mds2 1 2259 0.12 MB/sec execute 96 sec latency 10478.868 ms 1 2259 0.12 MB/sec execute 97 sec latency 11481.054 ms 1 2259 0.12 MB/sec execute 98 sec latency 12481.380 ms 1 2259 0.12 MB/sec execute 99 sec latency 13483.284 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 1 cleanup 106 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 cleanup 115 sec 1 cleanup 116 sec pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 cleanup 117 sec Started lustre-MDT0001 07:10:14 (1786187414) targets are mounted 07:10:14 (1786187414) facet_failover done 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 0 cleanup 121 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 330 282.423 40026.012 Close 286 13.812 55.125 Rename 11 113.034 188.988 Unlink 30 31.120 70.027 Qpathinfo 295 17.676 127.847 Qfileinfo 79 3.506 25.167 Qfsinfo 33 6.537 37.238 Sfileinfo 34 90.796 180.702 Find 92 16.085 79.916 WriteX 271 18.757 95.007 ReadX 348 2.667 94.714 Flush 30 75.016 184.950 Throughput 0.120129 MB/sec 1 clients 1 procs max_latency=40026.039 ms stopping dbench on /mnt/lustre at Sat Aug 8 07:10:17 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 fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench oleg121-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 Sat Aug 8 07:10:28 EDT 2026 waiting for dbench pid 67886 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 10 0.00 MB/sec warmup 1 sec latency 169.909 ms 1 51 1.04 MB/sec warmup 2 sec latency 130.637 ms 1 95 1.41 MB/sec warmup 3 sec latency 145.178 ms 1 130 1.43 MB/sec warmup 4 sec latency 240.201 ms 1 153 1.29 MB/sec warmup 5 sec latency 224.879 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2308 1268996 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45352 3560120 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1900 3605036 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47252 7165156 1% /mnt/lustre 1 173 1.17 MB/sec warmup 6 sec latency 208.414 ms 1 184 1.05 MB/sec warmup 7 sec latency 496.958 ms 1 199 0.98 MB/sec warmup 8 sec latency 696.853 ms 1 226 0.95 MB/sec warmup 9 sec latency 265.092 ms 1 255 0.96 MB/sec warmup 10 sec latency 164.996 ms 1 278 0.95 MB/sec warmup 11 sec latency 176.612 ms 1 300 0.91 MB/sec warmup 12 sec latency 182.245 ms 1 323 0.90 MB/sec warmup 13 sec latency 184.061 ms 1 340 0.87 MB/sec warmup 14 sec latency 460.813 ms 1 341 0.82 MB/sec warmup 15 sec latency 1384.832 ms 1 365 0.81 MB/sec warmup 16 sec latency 210.727 ms 1 389 0.81 MB/sec warmup 17 sec latency 204.122 ms 1 427 0.83 MB/sec warmup 18 sec latency 133.683 ms test_26 fail mds1 3 times 1 459 0.85 MB/sec warmup 19 sec latency 144.321 ms 1 513 0.52 MB/sec execute 1 sec latency 161.789 ms Failing mds1 on oleg121-server 1 556 0.95 MB/sec execute 2 sec latency 216.701 ms Stopping /mnt/lustre-mds1 (opts:) on oleg121-server 1 636 1.28 MB/sec execute 3 sec latency 145.890 ms 1 664 0.99 MB/sec execute 4 sec latency 149.631 ms 1 674 0.79 MB/sec execute 5 sec latency 619.568 ms 1 674 0.66 MB/sec execute 6 sec latency 1619.735 ms 07:10:55 (1786187455) shut down facet: mds1 facet_host: oleg121-server facet_failover_host: oleg121-server 1 674 0.57 MB/sec execute 7 sec latency 2623.498 ms 1 674 0.50 MB/sec execute 8 sec latency 3624.113 ms 1 674 0.44 MB/sec execute 9 sec latency 4624.311 ms 1 674 0.40 MB/sec execute 10 sec latency 5624.646 ms 1 674 0.36 MB/sec execute 11 sec latency 6625.922 ms 1 674 0.33 MB/sec execute 12 sec latency 7626.184 ms 1 674 0.31 MB/sec execute 13 sec latency 8626.510 ms 1 674 0.28 MB/sec execute 14 sec latency 9626.879 ms 1 674 0.26 MB/sec execute 15 sec latency 10627.232 ms 1 674 0.25 MB/sec execute 16 sec latency 11627.665 ms 1 674 0.23 MB/sec execute 17 sec latency 12628.877 ms Failover mds1 to oleg121-server mount facets: mds1 1 674 0.22 MB/sec execute 18 sec latency 13629.403 ms 1 674 0.21 MB/sec execute 19 sec latency 14629.589 ms 1 674 0.20 MB/sec execute 20 sec latency 15632.568 ms 1 674 0.19 MB/sec execute 21 sec latency 16634.008 ms 1 674 0.18 MB/sec execute 22 sec latency 17634.219 ms 1 674 0.17 MB/sec execute 23 sec latency 18638.010 ms 1 674 0.17 MB/sec execute 24 sec latency 19638.399 ms 1 674 0.16 MB/sec execute 25 sec latency 20639.094 ms 1 674 0.15 MB/sec execute 26 sec latency 21639.315 ms 1 674 0.15 MB/sec execute 27 sec latency 22639.523 ms 1 674 0.14 MB/sec execute 28 sec latency 23639.738 ms 1 674 0.14 MB/sec execute 29 sec latency 24641.154 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.13 MB/sec execute 30 sec latency 25641.299 ms 1 674 0.13 MB/sec execute 31 sec latency 26641.499 ms 1 674 0.12 MB/sec execute 32 sec latency 27643.814 ms 1 674 0.12 MB/sec execute 33 sec latency 28644.201 ms 1 674 0.12 MB/sec execute 34 sec latency 29644.522 ms 1 674 0.11 MB/sec execute 35 sec latency 30645.139 ms 1 674 0.11 MB/sec execute 36 sec latency 31651.613 ms 1 674 0.11 MB/sec execute 37 sec latency 32651.981 ms 1 674 0.10 MB/sec execute 38 sec latency 33652.270 ms 1 674 0.10 MB/sec execute 39 sec latency 34654.185 ms 1 674 0.10 MB/sec execute 40 sec latency 35654.736 ms 1 674 0.10 MB/sec execute 41 sec latency 36655.039 ms oleg121-server: oleg121-server.virtnet: executing set_default_debug -1 all 1 674 0.09 MB/sec execute 42 sec latency 37660.287 ms 1 674 0.09 MB/sec execute 43 sec latency 38671.946 ms pdsh@oleg121-client: oleg121-server: ssh exited with exit code 1 1 695 0.09 MB/sec execute 44 sec latency 38799.762 ms 1 720 0.09 MB/sec execute 45 sec latency 193.299 ms Started lustre-MDT0000 07:11:34 (1786187494) targets are mounted 07:11:34 (1786187494) facet_failover done 1 720 0.09 MB/sec execute 46 sec latency 1049.084 ms 1 738 0.09 MB/sec execute 47 sec latency 1253.409 ms 1 767 0.09 MB/sec execute 48 sec latency 199.538 ms 1 786 0.09 MB/sec execute 49 sec latency 183.320 ms 1 811 0.09 MB/sec execute 50 sec latency 123.826 ms 1 851 0.09 MB/sec execute 51 sec latency 165.097 ms 1 876 0.09 MB/sec execute 52 sec latency 172.418 ms 1 900 0.08 MB/sec execute 53 sec latency 156.242 ms oleg121-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 919 0.08 MB/sec execute 54 sec latency 166.758 ms 1 952 0.08 MB/sec execute 55 sec latency 120.226 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 971 0.08 MB/sec execute 56 sec latency 191.669 ms 1 990 0.08 MB/sec execute 57 sec latency 166.318 ms 1 1049 0.10 MB/sec execute 58 sec latency 146.859 ms 1 1082 0.10 MB/sec execute 59 sec latency 132.450 ms 1 1127 0.10 MB/sec execute 60 sec latency 106.024 ms 1 1154 0.09 MB/sec execute 61 sec latency 124.995 ms 1 1193 0.09 MB/sec execute 62 sec latency 89.394 ms 1 1232 0.09 MB/sec execute 63 sec latency 82.157 ms 1 1274 0.09 MB/sec execute 64 sec latency 84.678 ms 1 1378 0.13 MB/sec execute 65 sec latency 629.114 ms 1 1410 0.13 MB/sec execute 66 sec latency 206.605 ms 1 1446 0.13 MB/sec execute 67 sec latency 128.322 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1481 0.13 MB/sec execute 68 sec latency 194.268 ms 1 1511 0.13 MB/sec execute 69 sec latency 195.864 ms 1 1547 0.13 MB/sec execute 70 sec latency 134.179 ms 1 1575 0.13 MB/sec execute 71 sec latency 76.802 ms 1 1605 0.12 MB/sec execute 72 sec latency 109.468 ms 1 1642 0.12 MB/sec execute 73 sec latency 191.705 ms 1 1684 0.12 MB/sec execute 74 sec latency 93.343 ms 1 1715 0.12 MB/sec execute 75 sec latency 110.196 ms 1 1770 0.12 MB/sec execute 76 sec latency 110.649 ms 1 1820 0.12 MB/sec execute 77 sec latency 90.113 ms 1 1858 0.12 MB/sec execute 78 sec latency 131.387 ms 1 1905 0.12 MB/sec execute 79 sec latency 156.322 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 8 07:12:08 EDT 2026 with return code 0 67886 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67886 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished