== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:12:55 (1788840775) Starting client oleg158-client.virtnet: -o user_xattr,flock 192.168.201.158@tcp:/lustre /mnt/lustre Started clients oleg158-client.virtnet: 192.168.201.158@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 65692 Started dbench loop with 65693 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3588920 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194396 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 8 00:13:01 EDT 2026 waiting for dbench pid 65773 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 12 0.00 MB/sec warmup 1 sec latency 34.382 ms 1 70 1.57 MB/sec warmup 2 sec latency 142.103 ms 1 111 1.75 MB/sec warmup 3 sec latency 145.582 ms 1 139 1.50 MB/sec warmup 4 sec latency 161.372 ms 1 168 1.36 MB/sec warmup 5 sec latency 175.090 ms 1 184 1.23 MB/sec warmup 6 sec latency 512.779 ms 1 208 1.16 MB/sec warmup 7 sec latency 673.383 ms 1 253 1.20 MB/sec warmup 8 sec latency 108.591 ms 1 305 1.25 MB/sec warmup 9 sec latency 111.960 ms test_26 fail mds1 1 times 1 332 1.20 MB/sec warmup 10 sec latency 184.803 ms 1 365 1.18 MB/sec warmup 11 sec latency 201.980 ms Failing mds1 on oleg158-server 1 390 1.15 MB/sec warmup 12 sec latency 270.050 ms Stopping /mnt/lustre-mds1 (opts:) on oleg158-server 1 421 1.14 MB/sec warmup 13 sec latency 146.730 ms 1 445 1.12 MB/sec warmup 14 sec latency 395.243 ms 1 445 1.04 MB/sec warmup 15 sec latency 1395.497 ms 1 445 0.98 MB/sec warmup 16 sec latency 2396.033 ms 00:13:17 (1788840797) shut down facet: mds1 facet_host: oleg158-server facet_failover_host: oleg158-server 1 445 0.92 MB/sec warmup 17 sec latency 3396.794 ms 1 445 0.87 MB/sec warmup 18 sec latency 4396.956 ms 1 445 0.82 MB/sec warmup 19 sec latency 5397.382 ms 1 445 0.00 MB/sec execute 1 sec latency 7397.863 ms 1 445 0.00 MB/sec execute 2 sec latency 8398.174 ms 1 445 0.00 MB/sec execute 3 sec latency 9398.444 ms 1 445 0.00 MB/sec execute 4 sec latency 10398.670 ms 1 445 0.00 MB/sec execute 5 sec latency 11400.093 ms 1 445 0.00 MB/sec execute 6 sec latency 12402.996 ms Failover mds1 to oleg158-server mount facets: mds1 1 445 0.00 MB/sec execute 7 sec latency 13403.221 ms 1 445 0.00 MB/sec execute 8 sec latency 14403.562 ms 1 445 0.00 MB/sec execute 9 sec latency 15406.760 ms 1 445 0.00 MB/sec execute 10 sec latency 16407.009 ms 1 445 0.00 MB/sec execute 11 sec latency 17415.171 ms 1 445 0.00 MB/sec execute 12 sec latency 18415.384 ms 1 445 0.00 MB/sec execute 13 sec latency 19417.627 ms 1 445 0.00 MB/sec execute 14 sec latency 20418.214 ms 1 445 0.00 MB/sec execute 15 sec latency 21420.836 ms 1 445 0.00 MB/sec execute 16 sec latency 22421.049 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 445 0.00 MB/sec execute 17 sec latency 23424.914 ms 1 445 0.00 MB/sec execute 18 sec latency 24425.215 ms 1 445 0.00 MB/sec execute 19 sec latency 25425.559 ms 1 445 0.00 MB/sec execute 20 sec latency 26428.351 ms 1 445 0.00 MB/sec execute 21 sec latency 27429.047 ms 1 445 0.00 MB/sec execute 22 sec latency 28429.632 ms 1 445 0.00 MB/sec execute 23 sec latency 29429.928 ms 1 445 0.00 MB/sec execute 24 sec latency 30431.860 ms 1 445 0.00 MB/sec execute 25 sec latency 31432.099 ms 1 445 0.00 MB/sec execute 26 sec latency 32432.379 ms oleg158-server: oleg158-server.virtnet: executing set_default_debug -1 all 1 445 0.00 MB/sec execute 27 sec latency 33433.346 ms 1 445 0.00 MB/sec execute 28 sec latency 34433.624 ms pdsh@oleg158-client: oleg158-server: ssh exited with exit code 1 1 445 0.00 MB/sec execute 29 sec latency 35434.421 ms Started lustre-MDT0000 00:13:51 (1788840831) targets are mounted 00:13:51 (1788840831) facet_failover done 1 445 0.00 MB/sec execute 30 sec latency 36434.927 ms 1 469 0.03 MB/sec execute 31 sec latency 36989.798 ms 1 503 0.06 MB/sec execute 32 sec latency 135.526 ms 1 542 0.10 MB/sec execute 33 sec latency 164.444 ms 1 595 0.15 MB/sec execute 34 sec latency 581.927 ms 1 644 0.15 MB/sec execute 35 sec latency 108.042 ms 1 685 0.15 MB/sec execute 36 sec latency 125.339 ms oleg158-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 713 0.15 MB/sec execute 37 sec latency 153.834 ms 1 738 0.15 MB/sec execute 38 sec latency 124.739 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 767 0.15 MB/sec execute 39 sec latency 160.199 ms 1 799 0.15 MB/sec execute 40 sec latency 163.539 ms 1 823 0.14 MB/sec execute 41 sec latency 155.041 ms 1 877 0.14 MB/sec execute 42 sec latency 112.318 ms 1 903 0.14 MB/sec execute 43 sec latency 166.876 ms 1 926 0.14 MB/sec execute 44 sec latency 129.820 ms 1 967 0.14 MB/sec execute 45 sec latency 99.662 ms 1 984 0.14 MB/sec execute 46 sec latency 148.244 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33668 3569768 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20056 3584412 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53724 7154180 1% /mnt/lustre 1 1019 0.14 MB/sec execute 47 sec latency 151.830 ms 1 1060 0.15 MB/sec execute 48 sec latency 93.259 ms 1 1095 0.15 MB/sec execute 49 sec latency 111.970 ms 1 1128 0.15 MB/sec execute 50 sec latency 144.462 ms 1 1172 0.14 MB/sec execute 51 sec latency 87.507 ms 1 1172 0.14 MB/sec execute 52 sec latency 1061.970 ms 1 1180 0.14 MB/sec execute 53 sec latency 1621.566 ms 1 1215 0.14 MB/sec execute 54 sec latency 97.389 ms 1 1244 0.13 MB/sec execute 55 sec latency 129.133 ms 1 1274 0.13 MB/sec execute 56 sec latency 230.521 ms 1 1397 0.18 MB/sec execute 57 sec latency 87.193 ms 1 1430 0.18 MB/sec execute 58 sec latency 115.946 ms test_26 fail mds2 2 times 1 1473 0.18 MB/sec execute 59 sec latency 96.671 ms 1 1499 0.17 MB/sec execute 60 sec latency 191.386 ms 1 1525 0.17 MB/sec execute 61 sec latency 161.013 ms Failing mds2 on oleg158-server 1 1566 0.17 MB/sec execute 62 sec latency 97.508 ms Stopping /mnt/lustre-mds2 (opts:) on oleg158-server 1 1603 0.17 MB/sec execute 63 sec latency 112.909 ms 1 1632 0.16 MB/sec execute 64 sec latency 157.241 ms 1 1689 0.16 MB/sec execute 65 sec latency 117.859 ms 1 1764 0.16 MB/sec execute 66 sec latency 68.171 ms 1 1832 0.16 MB/sec execute 67 sec latency 72.004 ms 1 1877 0.16 MB/sec execute 68 sec latency 83.146 ms 1 1974 0.16 MB/sec execute 69 sec latency 69.005 ms 1 2018 0.16 MB/sec execute 70 sec latency 111.125 ms 1 2094 0.15 MB/sec execute 71 sec latency 78.526 ms 00:14:33 (1788840873) shut down facet: mds2 facet_host: oleg158-server facet_failover_host: oleg158-server 1 2141 0.15 MB/sec execute 72 sec latency 116.957 ms 1 2185 0.15 MB/sec execute 73 sec latency 116.035 ms 1 2259 0.15 MB/sec execute 74 sec latency 253.457 ms 1 2259 0.15 MB/sec execute 75 sec latency 1253.759 ms 1 2259 0.15 MB/sec execute 76 sec latency 2254.082 ms 1 2259 0.14 MB/sec execute 77 sec latency 3254.730 ms 1 2259 0.14 MB/sec execute 78 sec latency 4255.019 ms 1 2259 0.14 MB/sec execute 79 sec latency 5255.260 ms 1 2259 0.14 MB/sec execute 80 sec latency 6255.652 ms 1 2259 0.14 MB/sec execute 81 sec latency 7255.916 ms 1 2259 0.14 MB/sec execute 82 sec latency 8256.849 ms Failover mds2 to oleg158-server mount facets: mds2 1 2259 0.13 MB/sec execute 83 sec latency 9258.059 ms 1 2259 0.13 MB/sec execute 84 sec latency 10258.686 ms 1 2259 0.13 MB/sec execute 85 sec latency 11259.128 ms 1 2259 0.13 MB/sec execute 86 sec latency 12259.493 ms 1 2259 0.13 MB/sec execute 87 sec latency 13262.322 ms 1 2259 0.13 MB/sec execute 88 sec latency 14263.120 ms 1 2259 0.12 MB/sec execute 89 sec latency 15263.550 ms 1 2259 0.12 MB/sec execute 90 sec latency 16263.880 ms 1 2259 0.12 MB/sec execute 91 sec latency 17264.171 ms 1 2259 0.12 MB/sec execute 92 sec latency 18264.433 ms 1 2259 0.12 MB/sec execute 93 sec latency 19264.974 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 94 sec latency 20265.363 ms 1 2259 0.12 MB/sec execute 95 sec latency 21266.103 ms 1 2259 0.12 MB/sec execute 96 sec latency 22274.375 ms 1 2259 0.11 MB/sec execute 97 sec latency 23276.410 ms 1 2259 0.11 MB/sec execute 98 sec latency 24277.278 ms 1 2259 0.11 MB/sec execute 99 sec latency 25277.633 ms oleg158-server: oleg158-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec 1 cleanup 101 sec pdsh@oleg158-client: oleg158-server: ssh exited with exit code 1 1 cleanup 102 sec Started lustre-MDT0001 00:15:04 (1788840904) targets are mounted 00:15:04 (1788840904) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 327 257.834 36989.775 Close 283 12.878 53.166 Rename 11 117.891 230.484 Unlink 30 34.286 104.505 Qpathinfo 295 16.753 111.939 Qfileinfo 76 2.302 12.777 Qfsinfo 33 6.066 31.656 Sfileinfo 34 67.511 134.151 Find 92 15.481 62.651 WriteX 256 13.990 83.019 ReadX 348 3.189 112.709 Flush 30 59.394 149.085 Throughput 0.11232 MB/sec 1 clients 1 procs max_latency=36989.798 ms stopping dbench on /mnt/lustre at Tue Sep 8 00:15:07 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg158-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 Tue Sep 8 00:15:15 EDT 2026 waiting for dbench pid 67817 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 18 0.26 MB/sec warmup 1 sec latency 22.423 ms 1 74 1.57 MB/sec warmup 2 sec latency 116.036 ms 1 121 1.83 MB/sec warmup 3 sec latency 148.966 ms 1 165 1.70 MB/sec warmup 4 sec latency 146.134 ms 1 189 1.51 MB/sec warmup 5 sec latency 435.874 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2288 1269016 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 27160 3578376 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20452 3585988 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47612 7164364 1% /mnt/lustre 1 215 1.39 MB/sec warmup 6 sec latency 168.986 ms 1 247 1.34 MB/sec warmup 7 sec latency 144.659 ms 1 279 1.30 MB/sec warmup 8 sec latency 197.449 ms 1 305 1.24 MB/sec warmup 9 sec latency 200.074 ms 1 332 1.20 MB/sec warmup 10 sec latency 168.180 ms 1 366 1.18 MB/sec warmup 11 sec latency 158.090 ms 1 397 1.17 MB/sec warmup 12 sec latency 137.096 ms 1 437 1.18 MB/sec warmup 13 sec latency 200.505 ms 1 477 1.19 MB/sec warmup 14 sec latency 112.701 ms 1 501 1.16 MB/sec warmup 15 sec latency 224.277 ms 1 529 1.14 MB/sec warmup 16 sec latency 137.515 ms test_26 fail mds1 3 times 1 603 1.23 MB/sec warmup 17 sec latency 130.059 ms 1 642 1.17 MB/sec warmup 18 sec latency 120.955 ms 1 669 1.11 MB/sec warmup 19 sec latency 150.208 ms Failing mds1 on oleg158-server 1 711 0.01 MB/sec execute 1 sec latency 195.673 ms Stopping /mnt/lustre-mds1 (opts:) on oleg158-server 1 733 0.06 MB/sec execute 2 sec latency 230.814 ms 1 762 0.05 MB/sec execute 3 sec latency 184.427 ms 1 796 0.07 MB/sec execute 4 sec latency 138.933 ms 1 825 0.06 MB/sec execute 5 sec latency 102.961 ms 1 884 0.08 MB/sec execute 6 sec latency 103.342 ms 1 884 0.07 MB/sec execute 7 sec latency 1035.190 ms 1 892 0.06 MB/sec execute 8 sec latency 1523.746 ms 1 914 0.06 MB/sec execute 9 sec latency 155.237 ms 1 932 0.06 MB/sec execute 10 sec latency 225.264 ms 1 967 0.06 MB/sec execute 11 sec latency 151.066 ms 00:15:47 (1788840947) shut down facet: mds1 facet_host: oleg158-server facet_failover_host: oleg158-server 1 986 0.06 MB/sec execute 12 sec latency 153.421 ms 1 995 0.06 MB/sec execute 13 sec latency 798.352 ms 1 995 0.05 MB/sec execute 14 sec latency 1798.648 ms 1 995 0.05 MB/sec execute 15 sec latency 2801.993 ms 1 995 0.04 MB/sec execute 16 sec latency 3803.969 ms 1 995 0.04 MB/sec execute 17 sec latency 4804.399 ms 1 995 0.04 MB/sec execute 18 sec latency 5805.174 ms 1 995 0.04 MB/sec execute 19 sec latency 6808.360 ms 1 995 0.04 MB/sec execute 20 sec latency 7810.033 ms 1 995 0.03 MB/sec execute 21 sec latency 8810.613 ms 1 995 0.03 MB/sec execute 22 sec latency 9816.603 ms Failover mds1 to oleg158-server mount facets: mds1 1 995 0.03 MB/sec execute 23 sec latency 10817.747 ms 1 995 0.03 MB/sec execute 24 sec latency 11818.199 ms 1 995 0.03 MB/sec execute 25 sec latency 12819.326 ms 1 995 0.03 MB/sec execute 26 sec latency 13820.174 ms 1 995 0.03 MB/sec execute 27 sec latency 14821.895 ms 1 995 0.03 MB/sec execute 28 sec latency 15822.501 ms 1 995 0.02 MB/sec execute 29 sec latency 16824.390 ms 1 995 0.02 MB/sec execute 30 sec latency 17826.551 ms 1 995 0.02 MB/sec execute 31 sec latency 18826.847 ms 1 995 0.02 MB/sec execute 32 sec latency 19829.313 ms 1 995 0.02 MB/sec execute 33 sec latency 20830.161 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 995 0.02 MB/sec execute 34 sec latency 21830.417 ms 1 995 0.02 MB/sec execute 35 sec latency 22832.076 ms 1 995 0.02 MB/sec execute 36 sec latency 23834.357 ms 1 995 0.02 MB/sec execute 37 sec latency 24834.572 ms 1 995 0.02 MB/sec execute 38 sec latency 25835.886 ms 1 995 0.02 MB/sec execute 39 sec latency 26845.113 ms 1 995 0.02 MB/sec execute 40 sec latency 27845.350 ms 1 995 0.02 MB/sec execute 41 sec latency 28846.055 ms 1 995 0.02 MB/sec execute 42 sec latency 29846.739 ms 1 995 0.02 MB/sec execute 43 sec latency 30846.997 ms oleg158-server: oleg158-server.virtnet: executing set_default_debug -1 all 1 995 0.02 MB/sec execute 44 sec latency 31849.083 ms pdsh@oleg158-client: oleg158-server: ssh exited with exit code 1 1 1002 0.02 MB/sec execute 45 sec latency 32330.370 ms 1 1035 0.04 MB/sec execute 46 sec latency 323.477 ms Started lustre-MDT0000 00:16:22 (1788840982) targets are mounted 00:16:22 (1788840982) facet_failover done 1 1060 0.04 MB/sec execute 47 sec latency 458.667 ms 1 1118 0.04 MB/sec execute 48 sec latency 81.198 ms 1 1147 0.04 MB/sec execute 49 sec latency 117.148 ms 1 1193 0.04 MB/sec execute 50 sec latency 126.695 ms 1 1232 0.04 MB/sec execute 51 sec latency 109.584 ms 1 1262 0.04 MB/sec execute 52 sec latency 202.186 ms 1 1378 0.09 MB/sec execute 53 sec latency 134.499 ms oleg158-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1410 0.09 MB/sec execute 54 sec latency 148.961 ms 1 1442 0.09 MB/sec execute 55 sec latency 156.191 ms 1 1474 0.09 MB/sec execute 56 sec latency 146.595 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1504 0.09 MB/sec execute 57 sec latency 111.709 ms 1 1547 0.08 MB/sec execute 58 sec latency 123.277 ms 1 1588 0.08 MB/sec execute 59 sec latency 92.337 ms 1 1627 0.08 MB/sec execute 60 sec latency 115.526 ms 1 1653 0.08 MB/sec execute 61 sec latency 163.357 ms 1 1698 0.08 MB/sec execute 62 sec latency 152.553 ms 1 1762 0.08 MB/sec execute 63 sec latency 88.481 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1821 0.08 MB/sec execute 64 sec latency 139.197 ms 1 1871 0.08 MB/sec execute 65 sec latency 104.562 ms 1 1924 0.08 MB/sec execute 66 sec latency 130.475 ms 1 1986 0.08 MB/sec execute 67 sec latency 80.814 ms 1 2060 0.08 MB/sec execute 68 sec latency 87.012 ms 1 2108 0.08 MB/sec execute 69 sec latency 110.460 ms 1 2158 0.08 MB/sec execute 70 sec latency 100.992 ms 1 2198 0.08 MB/sec execute 71 sec latency 102.023 ms 1 2250 0.08 MB/sec execute 72 sec latency 149.902 ms 1 2335 0.09 MB/sec execute 73 sec latency 84.978 ms 1 2369 0.09 MB/sec execute 74 sec latency 94.477 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 00:16:50 EDT 2026 with return code 0 67817 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67817 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished