== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:43:24 (1786635804) Starting client oleg441-client.virtnet: -o user_xattr,flock 192.168.204.141@tcp:/lustre /mnt/lustre Started clients oleg441-client.virtnet: 192.168.204.141@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 65646 Started dbench loop with 65648 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H all_char /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9756 3588948 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7194424 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 Thu Aug 13 11:43:30 EDT 2026 waiting for dbench pid 65725 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 18 0.26 MB/sec warmup 1 sec latency 16.467 ms 1 68 1.51 MB/sec warmup 2 sec latency 143.935 ms 1 113 1.75 MB/sec warmup 3 sec latency 147.231 ms 1 139 1.50 MB/sec warmup 4 sec latency 166.297 ms 1 173 1.41 MB/sec warmup 5 sec latency 169.666 ms 1 184 1.23 MB/sec warmup 6 sec latency 544.017 ms 1 214 1.19 MB/sec warmup 7 sec latency 620.264 ms 1 248 1.17 MB/sec warmup 8 sec latency 138.580 ms 1 284 1.17 MB/sec warmup 9 sec latency 181.010 ms test_26 fail mds1 1 times 1 315 1.15 MB/sec warmup 10 sec latency 141.133 ms 1 344 1.11 MB/sec warmup 11 sec latency 180.035 ms Failing mds1 on oleg441-server 1 373 1.11 MB/sec warmup 12 sec latency 170.849 ms Stopping /mnt/lustre-mds1 (opts:) on oleg441-server 1 408 1.10 MB/sec warmup 13 sec latency 146.060 ms 1 448 1.12 MB/sec warmup 14 sec latency 135.282 ms 1 492 1.15 MB/sec warmup 15 sec latency 119.496 ms 1 501 1.09 MB/sec warmup 16 sec latency 805.467 ms 11:43:47 (1786635827) shut down 1 501 1.03 MB/sec warmup 17 sec latency 1806.872 ms facet: mds1 facet_host: oleg441-server facet_failover_host: oleg441-server 1 501 0.97 MB/sec warmup 18 sec latency 2807.086 ms 1 501 0.92 MB/sec warmup 19 sec latency 3808.713 ms 1 501 0.00 MB/sec execute 1 sec latency 5811.999 ms 1 501 0.00 MB/sec execute 2 sec latency 6813.650 ms 1 501 0.00 MB/sec execute 3 sec latency 7813.875 ms 1 501 0.00 MB/sec execute 4 sec latency 8814.475 ms 1 501 0.00 MB/sec execute 5 sec latency 9814.728 ms 1 501 0.00 MB/sec execute 6 sec latency 10816.646 ms 1 501 0.00 MB/sec execute 7 sec latency 11818.119 ms Failover mds1 to oleg441-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 12818.361 ms 1 501 0.00 MB/sec execute 9 sec latency 13819.511 ms 1 501 0.00 MB/sec execute 10 sec latency 14819.741 ms 1 501 0.00 MB/sec execute 11 sec latency 15819.978 ms 1 501 0.00 MB/sec execute 12 sec latency 16826.524 ms 1 501 0.00 MB/sec execute 13 sec latency 17828.550 ms 1 501 0.00 MB/sec execute 14 sec latency 18829.648 ms 1 501 0.00 MB/sec execute 15 sec latency 19829.848 ms 1 501 0.00 MB/sec execute 16 sec latency 20832.839 ms 1 501 0.00 MB/sec execute 17 sec latency 21833.094 ms 1 501 0.00 MB/sec execute 18 sec latency 22837.473 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 23838.965 ms 1 501 0.00 MB/sec execute 20 sec latency 24839.199 ms 1 501 0.00 MB/sec execute 21 sec latency 25840.915 ms 1 501 0.00 MB/sec execute 22 sec latency 26841.643 ms 1 501 0.00 MB/sec execute 23 sec latency 27844.307 ms 1 501 0.00 MB/sec execute 24 sec latency 28844.555 ms 1 501 0.00 MB/sec execute 25 sec latency 29846.845 ms 1 501 0.00 MB/sec execute 26 sec latency 30847.933 ms 1 501 0.00 MB/sec execute 27 sec latency 31848.827 ms 1 501 0.00 MB/sec execute 28 sec latency 32849.101 ms oleg441-server: oleg441-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 33849.428 ms pdsh@oleg441-client: oleg441-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 34849.634 ms Started lustre-MDT0000 11:44:21 (1786635861) targets are mounted 11:44:21 (1786635861) facet_failover done 1 533 0.04 MB/sec execute 31 sec latency 34938.503 ms 1 572 0.05 MB/sec execute 32 sec latency 482.516 ms 1 639 0.11 MB/sec execute 33 sec latency 72.446 ms 1 671 0.11 MB/sec execute 34 sec latency 132.222 ms 1 699 0.11 MB/sec execute 35 sec latency 129.142 ms 1 737 0.11 MB/sec execute 36 sec latency 118.067 ms 1 770 0.11 MB/sec execute 37 sec latency 139.472 ms 1 794 0.11 MB/sec execute 38 sec latency 152.896 ms oleg441-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 821 0.10 MB/sec execute 39 sec latency 112.230 ms 1 870 0.10 MB/sec execute 40 sec latency 112.005 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 900 0.10 MB/sec execute 41 sec latency 117.735 ms 1 923 0.10 MB/sec execute 42 sec latency 154.825 ms 1 979 0.10 MB/sec execute 43 sec latency 111.687 ms 1 1029 0.12 MB/sec execute 44 sec latency 122.155 ms 1 1086 0.12 MB/sec execute 45 sec latency 82.820 ms 1 1143 0.12 MB/sec execute 46 sec latency 80.428 ms 1 1172 0.12 MB/sec execute 47 sec latency 350.847 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2148 1269156 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1956 1269348 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 40252 3564096 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 14980 3590104 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55232 7154200 1% /mnt/lustre 1 1176 0.12 MB/sec execute 48 sec latency 1152.681 ms 1 1221 0.11 MB/sec execute 49 sec latency 85.534 ms 1 1245 0.11 MB/sec execute 50 sec latency 152.348 ms 1 1281 0.11 MB/sec execute 51 sec latency 99.354 ms 1 1412 0.16 MB/sec execute 52 sec latency 98.540 ms 1 1457 0.16 MB/sec execute 53 sec latency 93.963 ms 1 1481 0.16 MB/sec execute 54 sec latency 572.045 ms 1 1504 0.16 MB/sec execute 55 sec latency 869.516 ms 1 1540 0.15 MB/sec execute 56 sec latency 118.691 ms 1 1599 0.15 MB/sec execute 57 sec latency 96.133 ms test_26 fail mds2 2 times 1 1646 0.15 MB/sec execute 58 sec latency 139.829 ms 1 1676 0.15 MB/sec execute 59 sec latency 105.532 ms 1 1699 0.15 MB/sec execute 60 sec latency 140.247 ms Failing mds2 on oleg441-server 1 1766 0.14 MB/sec execute 61 sec latency 60.416 ms Stopping /mnt/lustre-mds2 (opts:) on oleg441-server 1 1808 0.14 MB/sec execute 62 sec latency 129.240 ms 1 1820 0.14 MB/sec execute 63 sec latency 684.839 ms 1 1820 0.14 MB/sec execute 64 sec latency 1685.273 ms 1 1820 0.14 MB/sec execute 65 sec latency 2695.796 ms 11:44:56 (1786635896) shut down facet: mds2 facet_host: oleg441-server facet_failover_host: oleg441-server 1 1820 0.13 MB/sec execute 66 sec latency 3695.987 ms 1 1820 0.13 MB/sec execute 67 sec latency 4696.978 ms 1 1820 0.13 MB/sec execute 68 sec latency 5697.412 ms 1 1820 0.13 MB/sec execute 69 sec latency 6697.723 ms 1 1820 0.13 MB/sec execute 70 sec latency 7701.637 ms 1 1820 0.12 MB/sec execute 71 sec latency 8701.950 ms 1 1820 0.12 MB/sec execute 72 sec latency 9703.257 ms 1 1820 0.12 MB/sec execute 73 sec latency 10703.487 ms 1 1820 0.12 MB/sec execute 74 sec latency 11703.702 ms 1 1820 0.12 MB/sec execute 75 sec latency 12704.016 ms Failover mds2 to oleg441-server mount facets: mds2 1 1820 0.12 MB/sec execute 76 sec latency 13704.258 ms 1 1820 0.12 MB/sec execute 77 sec latency 14704.480 ms 1 1820 0.11 MB/sec execute 78 sec latency 15704.712 ms 1 1820 0.11 MB/sec execute 79 sec latency 16708.569 ms 1 1820 0.11 MB/sec execute 80 sec latency 17710.560 ms 1 1820 0.11 MB/sec execute 81 sec latency 18711.002 ms 1 1820 0.11 MB/sec execute 82 sec latency 19714.868 ms 1 1820 0.11 MB/sec execute 83 sec latency 20715.027 ms 1 1820 0.11 MB/sec execute 84 sec latency 21715.349 ms 1 1820 0.10 MB/sec execute 85 sec latency 22715.696 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1820 0.10 MB/sec execute 86 sec latency 23717.030 ms 1 1820 0.10 MB/sec execute 87 sec latency 24719.616 ms 1 1820 0.10 MB/sec execute 88 sec latency 25719.861 ms 1 1820 0.10 MB/sec execute 89 sec latency 26720.111 ms 1 1820 0.10 MB/sec execute 90 sec latency 27720.369 ms 1 1820 0.10 MB/sec execute 91 sec latency 28720.597 ms 1 1820 0.10 MB/sec execute 92 sec latency 29721.073 ms oleg441-server: oleg441-server.virtnet: executing set_default_debug -1 all 1 1820 0.10 MB/sec execute 93 sec latency 30721.330 ms pdsh@oleg441-client: oleg441-server: ssh exited with exit code 1 1 1820 0.09 MB/sec execute 94 sec latency 31723.295 ms Started lustre-MDT0001 11:45:25 (1786635925) targets are mounted 11:45:25 (1786635925) facet_failover done 1 1821 0.09 MB/sec execute 95 sec latency 32647.785 ms 1 1851 0.09 MB/sec execute 96 sec latency 195.202 ms 1 1886 0.09 MB/sec execute 97 sec latency 126.038 ms 1 1941 0.09 MB/sec execute 98 sec latency 144.619 ms 1 1980 0.09 MB/sec execute 99 sec latency 125.174 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg441-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 271 191.121 34938.482 Close 225 13.985 44.402 Rename 11 106.995 152.312 Unlink 27 32.693 56.019 Qpathinfo 233 157.194 32647.755 Qfileinfo 60 2.893 14.124 Qfsinfo 33 5.145 46.270 Sfileinfo 34 66.872 126.085 Find 77 14.675 59.411 WriteX 202 17.182 98.119 ReadX 309 0.313 30.894 Flush 30 79.228 869.489 Throughput 0.0906428 MB/sec 1 clients 1 procs max_latency=34938.503 ms stopping dbench on /mnt/lustre at Thu Aug 13 11:45:35 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 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 2308 1268996 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1888 3605104 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 28964 3576804 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 30852 7181908 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 Thu Aug 13 11:45:44 EDT 2026 waiting for dbench pid 67893 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 9.213 ms 1 71 1.57 MB/sec warmup 2 sec latency 116.136 ms 1 113 1.74 MB/sec warmup 3 sec latency 220.627 ms 1 140 1.50 MB/sec warmup 4 sec latency 220.691 ms 1 155 1.31 MB/sec warmup 5 sec latency 749.316 ms 1 156 1.09 MB/sec warmup 6 sec latency 1744.338 ms 1 184 1.05 MB/sec warmup 7 sec latency 139.764 ms 1 199 0.98 MB/sec warmup 8 sec latency 625.961 ms 1 223 0.96 MB/sec warmup 9 sec latency 179.841 ms test_26 fail mds1 3 times 1 256 0.96 MB/sec warmup 10 sec latency 140.852 ms 1 279 0.95 MB/sec warmup 11 sec latency 228.899 ms 1 292 0.89 MB/sec warmup 12 sec latency 265.710 ms 1 313 0.88 MB/sec warmup 13 sec latency 260.208 ms Failing mds1 on oleg441-server 1 335 0.86 MB/sec warmup 14 sec latency 219.176 ms Stopping /mnt/lustre-mds1 (opts:) on oleg441-server 1 355 0.84 MB/sec warmup 15 sec latency 246.649 ms 1 382 0.84 MB/sec warmup 16 sec latency 160.824 ms 1 388 0.81 MB/sec warmup 17 sec latency 883.138 ms 1 388 0.77 MB/sec warmup 18 sec latency 1883.518 ms 1 388 0.73 MB/sec warmup 19 sec latency 2884.945 ms 1 388 0.00 MB/sec execute 1 sec latency 4885.956 ms 1 388 0.00 MB/sec execute 2 sec latency 5887.890 ms 1 388 0.00 MB/sec execute 3 sec latency 6888.352 ms 1 388 0.00 MB/sec execute 4 sec latency 7890.416 ms 1 388 0.00 MB/sec execute 5 sec latency 8899.833 ms 1 388 0.00 MB/sec execute 6 sec latency 9900.057 ms 11:46:10 (1786635970) shut down facet: mds1 facet_host: oleg441-server facet_failover_host: oleg441-server 1 388 0.00 MB/sec execute 7 sec latency 10901.627 ms 1 388 0.00 MB/sec execute 8 sec latency 11903.495 ms 1 388 0.00 MB/sec execute 9 sec latency 12903.698 ms 1 388 0.00 MB/sec execute 10 sec latency 13903.961 ms 1 388 0.00 MB/sec execute 11 sec latency 14904.263 ms 1 388 0.00 MB/sec execute 12 sec latency 15904.459 ms 1 388 0.00 MB/sec execute 13 sec latency 16904.731 ms 1 388 0.00 MB/sec execute 14 sec latency 17905.027 ms 1 388 0.00 MB/sec execute 15 sec latency 18905.662 ms 1 388 0.00 MB/sec execute 16 sec latency 19906.800 ms 1 388 0.00 MB/sec execute 17 sec latency 20916.384 ms Failover mds1 to oleg441-server mount facets: mds1 1 388 0.00 MB/sec execute 18 sec latency 21916.880 ms 1 388 0.00 MB/sec execute 19 sec latency 22917.175 ms 1 388 0.00 MB/sec execute 20 sec latency 23917.559 ms 1 388 0.00 MB/sec execute 21 sec latency 24918.407 ms 1 388 0.00 MB/sec execute 22 sec latency 25918.920 ms 1 388 0.00 MB/sec execute 23 sec latency 26919.667 ms 1 388 0.00 MB/sec execute 24 sec latency 27922.350 ms 1 388 0.00 MB/sec execute 25 sec latency 28924.146 ms 1 388 0.00 MB/sec execute 26 sec latency 29924.478 ms 1 388 0.00 MB/sec execute 27 sec latency 30924.660 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 388 0.00 MB/sec execute 28 sec latency 31925.421 ms 1 388 0.00 MB/sec execute 29 sec latency 32926.359 ms 1 388 0.00 MB/sec execute 30 sec latency 33929.378 ms 1 388 0.00 MB/sec execute 31 sec latency 34929.775 ms 1 388 0.00 MB/sec execute 32 sec latency 35930.110 ms 1 388 0.00 MB/sec execute 33 sec latency 36931.546 ms 1 388 0.00 MB/sec execute 34 sec latency 37931.775 ms 1 388 0.00 MB/sec execute 35 sec latency 38933.159 ms 1 388 0.00 MB/sec execute 36 sec latency 39934.826 ms 1 388 0.00 MB/sec execute 37 sec latency 40935.101 ms 1 388 0.00 MB/sec execute 38 sec latency 41937.424 ms 1 388 0.00 MB/sec execute 39 sec latency 42937.802 ms 1 388 0.00 MB/sec execute 40 sec latency 43938.037 ms 1 388 0.00 MB/sec execute 41 sec latency 44938.524 ms 1 388 0.00 MB/sec execute 42 sec latency 45938.843 ms 1 388 0.00 MB/sec execute 43 sec latency 46939.059 ms 1 388 0.00 MB/sec execute 44 sec latency 47939.285 ms 1 388 0.00 MB/sec execute 45 sec latency 48939.577 ms 1 388 0.00 MB/sec execute 46 sec latency 49939.880 ms 1 388 0.00 MB/sec execute 47 sec latency 50944.080 ms 1 388 0.00 MB/sec execute 48 sec latency 51945.392 ms 1 388 0.00 MB/sec execute 49 sec latency 52946.195 ms oleg441-server: oleg441-server.virtnet: executing set_default_debug -1 all 1 388 0.00 MB/sec execute 50 sec latency 53947.134 ms pdsh@oleg441-client: oleg441-server: ssh exited with exit code 1 1 388 0.00 MB/sec execute 51 sec latency 54947.383 ms 1 389 0.00 MB/sec execute 52 sec latency 55942.006 ms Started lustre-MDT0000 11:46:56 (1786636016) targets are mounted 11:46:56 (1786636016) facet_failover done 1 413 0.01 MB/sec execute 53 sec latency 314.620 ms 1 453 0.04 MB/sec execute 54 sec latency 128.378 ms 1 485 0.06 MB/sec execute 55 sec latency 128.568 ms 1 514 0.07 MB/sec execute 56 sec latency 155.120 ms 1 607 0.13 MB/sec execute 57 sec latency 127.957 ms 1 644 0.12 MB/sec execute 58 sec latency 121.234 ms 1 678 0.12 MB/sec execute 59 sec latency 146.197 ms 1 711 0.12 MB/sec execute 60 sec latency 145.336 ms oleg441-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 740 0.12 MB/sec execute 61 sec latency 109.501 ms 1 773 0.12 MB/sec execute 62 sec latency 107.698 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 799 0.12 MB/sec execute 63 sec latency 186.932 ms 1 816 0.12 MB/sec execute 64 sec latency 153.661 ms 1 860 0.12 MB/sec execute 65 sec latency 157.123 ms 1 884 0.12 MB/sec execute 66 sec latency 144.385 ms 1 888 0.12 MB/sec execute 67 sec latency 792.135 ms 1 910 0.12 MB/sec execute 68 sec latency 195.440 ms 1 943 0.12 MB/sec execute 69 sec latency 89.550 ms 1 976 0.12 MB/sec execute 70 sec latency 117.685 ms 1 1023 0.12 MB/sec execute 71 sec latency 111.648 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1076 0.13 MB/sec execute 72 sec latency 77.129 ms 1 1126 0.13 MB/sec execute 73 sec latency 76.255 ms 1 1156 0.12 MB/sec execute 74 sec latency 90.209 ms 1 1193 0.12 MB/sec execute 75 sec latency 104.239 ms 1 1229 0.12 MB/sec execute 76 sec latency 121.297 ms 1 1264 0.12 MB/sec execute 77 sec latency 106.274 ms 1 1388 0.16 MB/sec execute 78 sec latency 144.358 ms 1 1418 0.15 MB/sec execute 79 sec latency 122.923 ms 1 1451 0.15 MB/sec execute 80 sec latency 204.949 ms 1 1492 0.15 MB/sec execute 81 sec latency 324.852 ms 1 1526 0.15 MB/sec execute 82 sec latency 107.730 ms tar: Error is not recoverable: exiting now 1 1574 0.15 MB/sec execute 83 sec latency 127.375 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 13 11:47:27 EDT 2026 with return code 0 67893 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67893 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished