== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:51:38 (1788313898) Starting client oleg118-client.virtnet: -o user_xattr,flock 192.168.201.118@tcp:/lustre /mnt/lustre Started clients oleg118-client.virtnet: 192.168.201.118@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 65677 Started dbench loop with 65679 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush2 /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 9736 3584868 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190324 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 1 21:51:44 EDT 2026 waiting for dbench pid 65755 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 87.958 ms 1 62 1.31 MB/sec warmup 2 sec latency 119.467 ms 1 111 1.75 MB/sec warmup 3 sec latency 110.384 ms 1 155 1.63 MB/sec warmup 4 sec latency 174.212 ms 1 179 1.45 MB/sec warmup 5 sec latency 212.407 ms 1 197 1.30 MB/sec warmup 6 sec latency 475.111 ms 1 242 1.30 MB/sec warmup 7 sec latency 193.630 ms 1 289 1.34 MB/sec warmup 8 sec latency 124.435 ms 1 339 1.36 MB/sec warmup 9 sec latency 101.018 ms test_26 fail mds1 1 times 1 381 1.35 MB/sec warmup 10 sec latency 118.108 ms Failing mds1 on oleg118-server 1 429 1.37 MB/sec warmup 11 sec latency 144.486 ms Stopping /mnt/lustre-mds1 (opts:) on oleg118-server 1 478 1.39 MB/sec warmup 12 sec latency 126.133 ms 1 501 1.34 MB/sec warmup 13 sec latency 503.579 ms 1 501 1.25 MB/sec warmup 14 sec latency 1503.805 ms 21:51:59 (1788313919) shut down facet: mds1 facet_host: oleg118-server facet_failover_host: oleg118-server 1 501 1.16 MB/sec warmup 15 sec latency 2511.546 ms 1 501 1.09 MB/sec warmup 16 sec latency 3513.577 ms 1 501 1.03 MB/sec warmup 17 sec latency 4513.898 ms 1 501 0.97 MB/sec warmup 18 sec latency 5514.529 ms 1 501 0.92 MB/sec warmup 19 sec latency 6514.710 ms 1 501 0.00 MB/sec execute 1 sec latency 8516.255 ms 1 501 0.00 MB/sec execute 2 sec latency 9516.938 ms 1 501 0.00 MB/sec execute 3 sec latency 10517.211 ms 1 501 0.00 MB/sec execute 4 sec latency 11517.369 ms 1 501 0.00 MB/sec execute 5 sec latency 12517.557 ms Failover mds1 to oleg118-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 13517.738 ms 1 501 0.00 MB/sec execute 7 sec latency 14519.471 ms 1 501 0.00 MB/sec execute 8 sec latency 15519.706 ms 1 501 0.00 MB/sec execute 9 sec latency 16522.298 ms 1 501 0.00 MB/sec execute 10 sec latency 17522.643 ms 1 501 0.00 MB/sec execute 11 sec latency 18525.006 ms 1 501 0.00 MB/sec execute 12 sec latency 19525.213 ms 1 501 0.00 MB/sec execute 13 sec latency 20525.796 ms 1 501 0.00 MB/sec execute 14 sec latency 21526.213 ms 1 501 0.00 MB/sec execute 15 sec latency 22526.424 ms 1 501 0.00 MB/sec execute 16 sec latency 23526.616 ms 1 501 0.00 MB/sec execute 17 sec latency 24528.373 ms 1 501 0.00 MB/sec execute 18 sec latency 25528.576 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 19 sec latency 26530.196 ms 1 501 0.00 MB/sec execute 20 sec latency 27530.468 ms 1 501 0.00 MB/sec execute 21 sec latency 28530.768 ms 1 501 0.00 MB/sec execute 22 sec latency 29533.682 ms 1 501 0.00 MB/sec execute 23 sec latency 30535.473 ms 1 501 0.00 MB/sec execute 24 sec latency 31537.152 ms 1 501 0.00 MB/sec execute 25 sec latency 32537.385 ms 1 501 0.00 MB/sec execute 26 sec latency 33537.900 ms 1 501 0.00 MB/sec execute 27 sec latency 34538.086 ms oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 28 sec latency 35538.291 ms 1 501 0.00 MB/sec execute 29 sec latency 36538.914 ms pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 37541.300 ms 1 501 0.00 MB/sec execute 31 sec latency 38544.062 ms Started lustre-MDT0000 21:52:35 (1788313955) targets are mounted 21:52:35 (1788313955) facet_failover done 1 586 0.08 MB/sec execute 32 sec latency 38588.806 ms 1 671 0.11 MB/sec execute 33 sec latency 74.155 ms 1 700 0.11 MB/sec execute 34 sec latency 162.983 ms 1 738 0.11 MB/sec execute 35 sec latency 86.491 ms 1 779 0.11 MB/sec execute 36 sec latency 114.437 ms 1 808 0.11 MB/sec execute 37 sec latency 116.481 ms oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 864 0.11 MB/sec execute 38 sec latency 120.260 ms 1 890 0.11 MB/sec execute 39 sec latency 124.063 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 918 0.11 MB/sec execute 40 sec latency 137.916 ms 1 969 0.11 MB/sec execute 41 sec latency 116.504 ms 1 998 0.11 MB/sec execute 42 sec latency 119.960 ms 1 1072 0.13 MB/sec execute 43 sec latency 72.872 ms 1 1126 0.13 MB/sec execute 44 sec latency 122.478 ms 1 1172 0.12 MB/sec execute 45 sec latency 152.632 ms 1 1174 0.12 MB/sec execute 46 sec latency 907.030 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2184 1269120 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1972 1269332 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10120 3595248 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45160 3557824 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55280 7153072 1% /mnt/lustre 1 1207 0.12 MB/sec execute 47 sec latency 105.034 ms 1 1236 0.12 MB/sec execute 48 sec latency 132.999 ms 1 1267 0.12 MB/sec execute 49 sec latency 168.146 ms 1 1394 0.17 MB/sec execute 50 sec latency 110.850 ms 1 1426 0.17 MB/sec execute 51 sec latency 136.168 ms 1 1468 0.16 MB/sec execute 52 sec latency 123.618 ms 1 1481 0.16 MB/sec execute 53 sec latency 754.168 ms 1 1489 0.16 MB/sec execute 54 sec latency 1455.790 ms 1 1524 0.16 MB/sec execute 55 sec latency 103.959 ms 1 1585 0.15 MB/sec execute 56 sec latency 105.800 ms 1 1641 0.15 MB/sec execute 57 sec latency 84.207 ms test_26 fail mds2 2 times 1 1660 0.15 MB/sec execute 58 sec latency 241.863 ms 1 1689 0.15 MB/sec execute 59 sec latency 120.413 ms Failing mds2 on oleg118-server 1 1751 0.15 MB/sec execute 60 sec latency 118.698 ms Stopping /mnt/lustre-mds2 (opts:) on oleg118-server 1 1802 0.15 MB/sec execute 61 sec latency 117.779 ms 1 1814 0.14 MB/sec execute 62 sec latency 719.772 ms 1 1814 0.14 MB/sec execute 63 sec latency 1720.426 ms 1 1814 0.14 MB/sec execute 64 sec latency 2722.034 ms 1 1814 0.14 MB/sec execute 65 sec latency 3722.543 ms 1 1814 0.13 MB/sec execute 66 sec latency 4722.782 ms 1 1814 0.13 MB/sec execute 67 sec latency 5722.974 ms 1 1814 0.13 MB/sec execute 68 sec latency 6723.298 ms 1 1814 0.13 MB/sec execute 69 sec latency 7723.399 ms 21:53:14 (1788313994) shut down 1 1814 0.13 MB/sec execute 70 sec latency 8724.841 ms facet: mds2 facet_host: oleg118-server facet_failover_host: oleg118-server 1 1814 0.12 MB/sec execute 71 sec latency 9726.688 ms 1 1814 0.12 MB/sec execute 72 sec latency 10726.898 ms 1 1814 0.12 MB/sec execute 73 sec latency 11727.558 ms 1 1814 0.12 MB/sec execute 74 sec latency 12727.773 ms 1 1814 0.12 MB/sec execute 75 sec latency 13728.123 ms 1 1814 0.12 MB/sec execute 76 sec latency 14728.370 ms 1 1814 0.12 MB/sec execute 77 sec latency 15730.408 ms 1 1814 0.11 MB/sec execute 78 sec latency 16730.575 ms 1 1814 0.11 MB/sec execute 79 sec latency 17730.824 ms 1 1814 0.11 MB/sec execute 80 sec latency 18731.092 ms Failover mds2 to oleg118-server mount facets: mds2 1 1814 0.11 MB/sec execute 81 sec latency 19732.868 ms 1 1814 0.11 MB/sec execute 82 sec latency 20733.101 ms 1 1814 0.11 MB/sec execute 83 sec latency 21735.339 ms 1 1814 0.11 MB/sec execute 84 sec latency 22745.407 ms 1 1814 0.10 MB/sec execute 85 sec latency 23745.616 ms 1 1814 0.10 MB/sec execute 86 sec latency 24746.282 ms 1 1814 0.10 MB/sec execute 87 sec latency 25746.483 ms 1 1814 0.10 MB/sec execute 88 sec latency 26747.721 ms 1 1814 0.10 MB/sec execute 89 sec latency 27749.175 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1814 0.10 MB/sec execute 90 sec latency 28749.416 ms 1 1814 0.10 MB/sec execute 91 sec latency 29749.591 ms 1 1814 0.10 MB/sec execute 92 sec latency 30750.171 ms 1 1814 0.10 MB/sec execute 93 sec latency 31750.413 ms 1 1814 0.09 MB/sec execute 94 sec latency 32750.792 ms 1 1814 0.09 MB/sec execute 95 sec latency 33755.196 ms oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 1814 0.09 MB/sec execute 96 sec latency 34755.407 ms pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 1814 0.09 MB/sec execute 97 sec latency 35756.881 ms Started lustre-MDT0001 21:53:42 (1788314022) targets are mounted 21:53:42 (1788314022) facet_failover done 1 1814 0.09 MB/sec execute 98 sec latency 36757.086 ms 1 1830 0.09 MB/sec execute 99 sec latency 37319.615 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 252 356.373 38588.793 Close 197 14.556 66.990 Rename 11 92.760 168.122 Unlink 24 29.687 46.111 Qpathinfo 192 17.303 101.123 Qfileinfo 57 2.246 30.627 Qfsinfo 33 3.660 32.159 Sfileinfo 34 71.021 137.782 Find 71 13.108 74.141 WriteX 193 11.611 74.979 ReadX 293 0.175 11.046 Flush 28 103.364 1455.753 Throughput 0.0895586 MB/sec 1 clients 1 procs max_latency=38588.806 ms stopping dbench on /mnt/lustre at Tue Sep 1 21:53:47 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/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 1 21:53:55 EDT 2026 waiting for dbench pid 67883 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 26 0.78 MB/sec warmup 1 sec latency 26.790 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2400 1268904 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2208 1269096 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1912 3605108 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45332 3559272 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47244 7164380 1% /mnt/lustre 1 91 2.09 MB/sec warmup 2 sec latency 132.127 ms 1 137 2.00 MB/sec warmup 3 sec latency 138.895 ms 1 166 1.70 MB/sec warmup 4 sec latency 166.010 ms 1 197 1.56 MB/sec warmup 5 sec latency 398.132 ms 1 228 1.46 MB/sec warmup 6 sec latency 229.075 ms 1 275 1.46 MB/sec warmup 7 sec latency 106.790 ms 1 315 1.43 MB/sec warmup 8 sec latency 106.109 ms 1 352 1.39 MB/sec warmup 9 sec latency 128.463 ms 1 397 1.41 MB/sec warmup 10 sec latency 106.357 ms 1 446 1.42 MB/sec warmup 11 sec latency 138.455 ms test_26 fail mds1 3 times 1 496 1.43 MB/sec warmup 12 sec latency 114.977 ms Failing mds1 on oleg118-server 1 542 1.46 MB/sec warmup 13 sec latency 142.639 ms Stopping /mnt/lustre-mds1 (opts:) on oleg118-server 1 642 1.50 MB/sec warmup 14 sec latency 87.212 ms 1 661 1.41 MB/sec warmup 15 sec latency 649.005 ms 1 661 1.32 MB/sec warmup 16 sec latency 1649.226 ms 1 661 1.24 MB/sec warmup 17 sec latency 2649.420 ms 1 661 1.17 MB/sec warmup 18 sec latency 3649.673 ms 1 661 1.11 MB/sec warmup 19 sec latency 4655.165 ms 1 661 0.00 MB/sec execute 1 sec latency 6662.482 ms 1 661 0.00 MB/sec execute 2 sec latency 7664.072 ms 21:54:18 (1788314058) shut down facet: mds1 facet_host: oleg118-server facet_failover_host: oleg118-server 1 661 0.00 MB/sec execute 3 sec latency 8666.136 ms 1 661 0.00 MB/sec execute 4 sec latency 9667.004 ms 1 661 0.00 MB/sec execute 5 sec latency 10667.808 ms 1 661 0.00 MB/sec execute 6 sec latency 11668.852 ms 1 661 0.00 MB/sec execute 7 sec latency 12669.276 ms 1 661 0.00 MB/sec execute 8 sec latency 13669.520 ms 1 661 0.00 MB/sec execute 9 sec latency 14672.677 ms 1 661 0.00 MB/sec execute 10 sec latency 15672.953 ms 1 661 0.00 MB/sec execute 11 sec latency 16673.297 ms 1 661 0.00 MB/sec execute 12 sec latency 17673.511 ms 1 661 0.00 MB/sec execute 13 sec latency 18674.808 ms Failover mds1 to oleg118-server mount facets: mds1 1 661 0.00 MB/sec execute 14 sec latency 19677.561 ms 1 661 0.00 MB/sec execute 15 sec latency 20678.103 ms 1 661 0.00 MB/sec execute 16 sec latency 21679.967 ms 1 661 0.00 MB/sec execute 17 sec latency 22680.138 ms 1 661 0.00 MB/sec execute 18 sec latency 23680.344 ms 1 661 0.00 MB/sec execute 19 sec latency 24680.843 ms 1 661 0.00 MB/sec execute 20 sec latency 25681.121 ms 1 661 0.00 MB/sec execute 21 sec latency 26681.279 ms 1 661 0.00 MB/sec execute 23 sec latency 28338.941 ms 1 661 0.00 MB/sec execute 24 sec latency 29339.273 ms 1 661 0.00 MB/sec execute 25 sec latency 30345.066 ms 1 661 0.00 MB/sec execute 26 sec latency 31352.514 ms 1 661 0.00 MB/sec execute 27 sec latency 32352.706 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 661 0.00 MB/sec execute 28 sec latency 33353.080 ms 1 661 0.00 MB/sec execute 29 sec latency 34353.299 ms 1 661 0.00 MB/sec execute 30 sec latency 35353.465 ms 1 661 0.00 MB/sec execute 31 sec latency 36353.760 ms 1 661 0.00 MB/sec execute 32 sec latency 37353.959 ms 1 661 0.00 MB/sec execute 33 sec latency 38355.122 ms 1 661 0.00 MB/sec execute 34 sec latency 39355.367 ms 1 661 0.00 MB/sec execute 35 sec latency 40355.573 ms 1 661 0.00 MB/sec execute 36 sec latency 41356.705 ms 1 661 0.00 MB/sec execute 37 sec latency 42356.974 ms 1 661 0.00 MB/sec execute 38 sec latency 43357.529 ms 1 661 0.00 MB/sec execute 39 sec latency 44357.735 ms 1 661 0.00 MB/sec execute 40 sec latency 45357.958 ms 1 661 0.00 MB/sec execute 41 sec latency 46358.620 ms 1 661 0.00 MB/sec execute 42 sec latency 47359.283 ms 1 661 0.00 MB/sec execute 43 sec latency 48361.675 ms 1 661 0.00 MB/sec execute 44 sec latency 49361.876 ms 1 661 0.00 MB/sec execute 45 sec latency 50371.163 ms 1 661 0.00 MB/sec execute 46 sec latency 51371.363 ms 1 661 0.00 MB/sec execute 47 sec latency 52371.654 ms oleg118-server: oleg118-server.virtnet: executing set_default_debug -1 all 1 661 0.00 MB/sec execute 48 sec latency 53377.435 ms pdsh@oleg118-client: oleg118-server: ssh exited with exit code 1 1 661 0.00 MB/sec execute 49 sec latency 54378.481 ms Started lustre-MDT0000 21:55:05 (1788314105) targets are mounted 21:55:05 (1788314105) facet_failover done 1 661 0.00 MB/sec execute 50 sec latency 55378.888 ms 1 661 0.00 MB/sec execute 51 sec latency 56385.999 ms 1 685 0.00 MB/sec execute 52 sec latency 56395.226 ms 1 706 0.00 MB/sec execute 53 sec latency 228.951 ms 1 727 0.00 MB/sec execute 54 sec latency 192.785 ms 1 759 0.00 MB/sec execute 55 sec latency 138.006 ms 1 779 0.00 MB/sec execute 56 sec latency 210.904 ms 1 804 0.01 MB/sec execute 57 sec latency 156.286 ms 1 851 0.01 MB/sec execute 58 sec latency 125.671 ms oleg118-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 874 0.01 MB/sec execute 59 sec latency 185.934 ms 1 884 0.01 MB/sec execute 60 sec latency 562.536 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 884 0.01 MB/sec execute 61 sec latency 1563.445 ms 1 892 0.01 MB/sec execute 62 sec latency 2207.112 ms 1 916 0.01 MB/sec execute 63 sec latency 213.087 ms 1 959 0.01 MB/sec execute 64 sec latency 104.322 ms 1 983 0.01 MB/sec execute 65 sec latency 253.764 ms 1 1028 0.03 MB/sec execute 66 sec latency 170.535 ms 1 1082 0.03 MB/sec execute 67 sec latency 77.959 ms 1 1134 0.03 MB/sec execute 68 sec latency 79.673 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1181 0.03 MB/sec execute 69 sec latency 88.432 ms 1 1219 0.03 MB/sec execute 70 sec latency 111.830 ms 1 1244 0.03 MB/sec execute 71 sec latency 161.315 ms 1 1269 0.03 MB/sec execute 72 sec latency 264.345 ms 1 1391 0.07 MB/sec execute 73 sec latency 133.543 ms 1 1412 0.07 MB/sec execute 74 sec latency 255.815 ms 1 1446 0.07 MB/sec execute 75 sec latency 123.170 ms 1 1467 0.06 MB/sec execute 76 sec latency 375.874 ms 1 1497 0.06 MB/sec execute 77 sec latency 588.528 ms 1 1537 0.06 MB/sec execute 78 sec latency 123.711 ms 1 1577 0.06 MB/sec execute 79 sec latency 122.858 ms 1 1627 0.06 MB/sec execute 80 sec latency 70.197 ms tar: Error is not recoverable: exiting now 1 1678 0.06 MB/sec execute 81 sec latency 102.374 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 1 21:55:36 EDT 2026 with return code 0 67883 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67883 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished