== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:42:46 (1786804966) Starting client oleg444-client.virtnet: -o user_xattr,flock 192.168.204.144@tcp:/lustre /mnt/lustre Started clients oleg444-client.virtnet: 192.168.204.144@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 65653 Started dbench loop with 65655 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 1932 1269372 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 13832 3593132 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7198588 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 15 10:42:54 EDT 2026 waiting for dbench pid 65733 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 70.479 ms 1 70 1.57 MB/sec warmup 2 sec latency 140.139 ms 1 111 1.75 MB/sec warmup 3 sec latency 152.752 ms 1 137 1.50 MB/sec warmup 4 sec latency 221.375 ms 1 157 1.31 MB/sec warmup 5 sec latency 243.006 ms 1 181 1.22 MB/sec warmup 6 sec latency 250.353 ms 1 189 1.08 MB/sec warmup 7 sec latency 683.112 ms 1 211 1.02 MB/sec warmup 8 sec latency 216.552 ms 1 255 1.07 MB/sec warmup 9 sec latency 93.809 ms test_26 fail mds1 1 times 1 289 1.07 MB/sec warmup 10 sec latency 171.714 ms 1 316 1.04 MB/sec warmup 11 sec latency 184.289 ms 1 342 1.02 MB/sec warmup 12 sec latency 198.289 ms Failing mds1 on oleg444-server 1 378 1.03 MB/sec warmup 13 sec latency 140.983 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 418 1.05 MB/sec warmup 14 sec latency 112.017 ms 1 429 1.01 MB/sec warmup 15 sec latency 735.940 ms 1 429 0.94 MB/sec warmup 16 sec latency 1736.396 ms 10:43:11 (1786804991) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 429 0.89 MB/sec warmup 17 sec latency 2736.890 ms 1 429 0.84 MB/sec warmup 18 sec latency 3737.218 ms 1 429 0.79 MB/sec warmup 19 sec latency 4737.636 ms 1 429 0.00 MB/sec execute 1 sec latency 6744.835 ms 1 429 0.00 MB/sec execute 2 sec latency 7745.327 ms 1 429 0.00 MB/sec execute 3 sec latency 8745.724 ms 1 429 0.00 MB/sec execute 4 sec latency 9746.256 ms 1 429 0.00 MB/sec execute 5 sec latency 10746.826 ms 1 429 0.00 MB/sec execute 6 sec latency 11747.082 ms 1 429 0.00 MB/sec execute 7 sec latency 12747.454 ms Failover mds1 to oleg444-server mount facets: mds1 1 429 0.00 MB/sec execute 8 sec latency 13747.997 ms 1 429 0.00 MB/sec execute 9 sec latency 14748.280 ms 1 429 0.00 MB/sec execute 10 sec latency 15750.593 ms 1 429 0.00 MB/sec execute 11 sec latency 16751.383 ms 1 429 0.00 MB/sec execute 12 sec latency 17751.827 ms 1 429 0.00 MB/sec execute 13 sec latency 18752.061 ms 1 429 0.00 MB/sec execute 14 sec latency 19752.353 ms 1 429 0.00 MB/sec execute 15 sec latency 20752.605 ms 1 429 0.00 MB/sec execute 16 sec latency 21771.482 ms 1 429 0.00 MB/sec execute 17 sec latency 22773.405 ms 1 429 0.00 MB/sec execute 18 sec latency 23773.609 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 429 0.00 MB/sec execute 19 sec latency 24774.694 ms 1 429 0.00 MB/sec execute 20 sec latency 25775.419 ms 1 429 0.00 MB/sec execute 21 sec latency 26775.834 ms 1 429 0.00 MB/sec execute 22 sec latency 27780.332 ms 1 429 0.00 MB/sec execute 23 sec latency 28780.616 ms 1 429 0.00 MB/sec execute 24 sec latency 29780.845 ms 1 429 0.00 MB/sec execute 25 sec latency 30781.198 ms 1 429 0.00 MB/sec execute 26 sec latency 31784.079 ms 1 429 0.00 MB/sec execute 27 sec latency 32784.950 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 429 0.00 MB/sec execute 28 sec latency 33796.815 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 429 0.00 MB/sec execute 29 sec latency 34797.338 ms 1 429 0.00 MB/sec execute 30 sec latency 35801.157 ms Started lustre-MDT0000 10:43:44 (1786805024) targets are mounted 10:43:44 (1786805024) facet_failover done 1 441 0.01 MB/sec execute 31 sec latency 36556.308 ms 1 485 0.06 MB/sec execute 32 sec latency 124.391 ms 1 511 0.08 MB/sec execute 33 sec latency 197.591 ms 1 552 0.12 MB/sec execute 34 sec latency 183.221 ms 1 584 0.14 MB/sec execute 35 sec latency 762.560 ms 1 639 0.16 MB/sec execute 36 sec latency 119.345 ms 1 670 0.16 MB/sec execute 37 sec latency 129.165 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 695 0.16 MB/sec execute 38 sec latency 150.542 ms 1 721 0.16 MB/sec execute 39 sec latency 136.816 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.15 MB/sec execute 40 sec latency 158.663 ms 1 769 0.15 MB/sec execute 41 sec latency 143.877 ms 1 796 0.15 MB/sec execute 42 sec latency 142.278 ms 1 820 0.15 MB/sec execute 43 sec latency 200.971 ms 1 863 0.15 MB/sec execute 44 sec latency 179.379 ms 1 885 0.15 MB/sec execute 45 sec latency 167.331 ms 1 913 0.14 MB/sec execute 46 sec latency 124.785 ms 1 940 0.14 MB/sec execute 47 sec latency 145.021 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2072 1269232 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1912 1269392 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19784 3582476 1% /mnt/lustre[OST:0] 1 970 0.14 MB/sec execute 48 sec latency 144.746 ms lustre-OST0001_UUID 3833116 33220 3571416 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53004 7153892 1% /mnt/lustre 1 998 0.14 MB/sec execute 49 sec latency 110.398 ms 1 1060 0.16 MB/sec execute 50 sec latency 72.014 ms 1 1103 0.15 MB/sec execute 51 sec latency 114.702 ms 1 1147 0.15 MB/sec execute 52 sec latency 79.755 ms 1 1172 0.15 MB/sec execute 53 sec latency 438.275 ms 1 1178 0.15 MB/sec execute 54 sec latency 1156.067 ms 1 1214 0.14 MB/sec execute 55 sec latency 97.076 ms 1 1246 0.14 MB/sec execute 56 sec latency 102.674 ms 1 1386 0.19 MB/sec execute 57 sec latency 68.855 ms test_26 fail mds2 2 times 1 1426 0.19 MB/sec execute 58 sec latency 89.697 ms 1 1470 0.18 MB/sec execute 59 sec latency 143.988 ms Failing mds2 on oleg444-server 1 1504 0.18 MB/sec execute 60 sec latency 145.529 ms Stopping /mnt/lustre-mds2 (opts:) on oleg444-server 1 1538 0.18 MB/sec execute 61 sec latency 121.909 ms 1 1566 0.18 MB/sec execute 62 sec latency 114.127 ms 1 1610 0.17 MB/sec execute 63 sec latency 106.480 ms 1 1653 0.17 MB/sec execute 64 sec latency 149.621 ms 1 1686 0.17 MB/sec execute 65 sec latency 221.487 ms 1 1731 0.17 MB/sec execute 66 sec latency 143.639 ms 1 1808 0.17 MB/sec execute 67 sec latency 70.991 ms 1 1861 0.16 MB/sec execute 68 sec latency 85.673 ms 1 1909 0.16 MB/sec execute 69 sec latency 109.140 ms 1 1975 0.16 MB/sec execute 70 sec latency 88.040 ms 10:44:25 (1786805065) shut down facet: mds2 facet_host: oleg444-server facet_failover_host: oleg444-server 1 2020 0.16 MB/sec execute 71 sec latency 128.368 ms 1 2083 0.16 MB/sec execute 72 sec latency 74.198 ms 1 2154 0.16 MB/sec execute 73 sec latency 89.157 ms 1 2202 0.16 MB/sec execute 74 sec latency 108.287 ms 1 2259 0.16 MB/sec execute 75 sec latency 204.480 ms 1 2259 0.15 MB/sec execute 76 sec latency 1204.855 ms 1 2259 0.15 MB/sec execute 77 sec latency 2205.524 ms 1 2259 0.15 MB/sec execute 78 sec latency 3205.852 ms 1 2259 0.15 MB/sec execute 79 sec latency 4208.829 ms 1 2259 0.15 MB/sec execute 80 sec latency 5210.809 ms Failover mds2 to oleg444-server 1 2259 0.14 MB/sec execute 81 sec latency 6211.533 ms mount facets: mds2 1 2259 0.14 MB/sec execute 82 sec latency 7212.613 ms 1 2259 0.14 MB/sec execute 83 sec latency 8215.831 ms 1 2259 0.14 MB/sec execute 84 sec latency 9216.137 ms 1 2259 0.14 MB/sec execute 85 sec latency 10220.933 ms 1 2259 0.14 MB/sec execute 86 sec latency 11221.262 ms 1 2259 0.13 MB/sec execute 87 sec latency 12222.751 ms 1 2259 0.13 MB/sec execute 88 sec latency 13222.944 ms 1 2259 0.13 MB/sec execute 89 sec latency 14223.210 ms 1 2259 0.13 MB/sec execute 90 sec latency 15223.588 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 91 sec latency 16223.855 ms 1 2259 0.13 MB/sec execute 92 sec latency 17231.826 ms 1 2259 0.13 MB/sec execute 93 sec latency 18232.683 ms 1 2259 0.12 MB/sec execute 94 sec latency 19233.321 ms 1 2259 0.12 MB/sec execute 95 sec latency 20234.214 ms 1 2259 0.12 MB/sec execute 96 sec latency 21234.449 ms 1 2259 0.12 MB/sec execute 97 sec latency 22234.684 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 98 sec latency 23234.870 ms 1 2305 0.13 MB/sec execute 99 sec latency 23576.920 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0001 10:44:55 (1786805095) targets are mounted 10:44:55 (1786805095) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 242.218 36556.288 Close 292 13.592 49.203 Rename 11 103.036 144.715 Unlink 31 30.315 50.863 Qpathinfo 308 16.376 85.493 Qfileinfo 80 2.852 11.050 Qfsinfo 37 3.701 21.533 Sfileinfo 38 71.665 200.947 Find 100 14.954 82.922 WriteX 285 14.008 80.900 ReadX 377 2.781 107.653 Flush 31 67.678 141.460 Throughput 0.127516 MB/sec 1 clients 1 procs max_latency=36556.308 ms stopping dbench on /mnt/lustre at Sat Aug 15 10:44:57 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 oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Sat Aug 15 10:45:05 EDT 2026 waiting for dbench pid 67804 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 27 0.85 MB/sec warmup 1 sec latency 16.775 ms 1 88 2.02 MB/sec warmup 2 sec latency 122.196 ms 1 129 1.92 MB/sec warmup 3 sec latency 170.572 ms 1 158 1.63 MB/sec warmup 4 sec latency 153.256 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2304 1269000 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20208 3585548 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27024 3578580 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47232 7164128 1% /mnt/lustre 1 184 1.47 MB/sec warmup 5 sec latency 262.518 ms 1 207 1.34 MB/sec warmup 6 sec latency 439.927 ms 1 247 1.34 MB/sec warmup 7 sec latency 152.539 ms 1 280 1.30 MB/sec warmup 8 sec latency 115.225 ms 1 315 1.27 MB/sec warmup 9 sec latency 143.367 ms 1 339 1.22 MB/sec warmup 10 sec latency 447.609 ms 1 341 1.11 MB/sec warmup 11 sec latency 1381.624 ms 1 374 1.10 MB/sec warmup 12 sec latency 148.485 ms 1 426 1.15 MB/sec warmup 13 sec latency 98.248 ms 1 469 1.17 MB/sec warmup 14 sec latency 107.062 ms test_26 fail mds1 3 times 1 502 1.16 MB/sec warmup 15 sec latency 158.298 ms 1 532 1.15 MB/sec warmup 16 sec latency 141.235 ms Failing mds1 on oleg444-server 1 608 1.23 MB/sec warmup 17 sec latency 198.273 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 655 1.17 MB/sec warmup 18 sec latency 137.002 ms 1 678 1.11 MB/sec warmup 19 sec latency 263.045 ms 1 678 0.00 MB/sec execute 1 sec latency 2270.576 ms 10:45:27 (1786805127) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 678 0.00 MB/sec execute 2 sec latency 3273.668 ms 1 678 0.00 MB/sec execute 3 sec latency 4273.938 ms 1 678 0.00 MB/sec execute 4 sec latency 5274.177 ms 1 678 0.00 MB/sec execute 5 sec latency 6274.402 ms 1 678 0.00 MB/sec execute 6 sec latency 7275.136 ms 1 678 0.00 MB/sec execute 7 sec latency 8275.413 ms 1 678 0.00 MB/sec execute 8 sec latency 9275.875 ms 1 678 0.00 MB/sec execute 9 sec latency 10276.651 ms 1 678 0.00 MB/sec execute 10 sec latency 11276.831 ms 1 678 0.00 MB/sec execute 11 sec latency 12277.179 ms Failover mds1 to oleg444-server mount facets: mds1 1 678 0.00 MB/sec execute 12 sec latency 13285.674 ms 1 678 0.00 MB/sec execute 13 sec latency 14286.121 ms 1 678 0.00 MB/sec execute 14 sec latency 15287.007 ms 1 678 0.00 MB/sec execute 15 sec latency 16291.631 ms 1 678 0.00 MB/sec execute 16 sec latency 17291.886 ms 1 678 0.00 MB/sec execute 17 sec latency 18292.311 ms 1 678 0.00 MB/sec execute 18 sec latency 19293.180 ms 1 678 0.00 MB/sec execute 19 sec latency 20294.216 ms 1 678 0.00 MB/sec execute 20 sec latency 21294.935 ms 1 678 0.00 MB/sec execute 21 sec latency 22299.967 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 678 0.00 MB/sec execute 22 sec latency 23303.115 ms 1 678 0.00 MB/sec execute 23 sec latency 24304.833 ms 1 678 0.00 MB/sec execute 24 sec latency 25306.797 ms 1 678 0.00 MB/sec execute 25 sec latency 26307.360 ms 1 678 0.00 MB/sec execute 26 sec latency 27308.215 ms 1 678 0.00 MB/sec execute 27 sec latency 28308.607 ms 1 678 0.00 MB/sec execute 28 sec latency 29308.840 ms 1 678 0.00 MB/sec execute 29 sec latency 30310.388 ms 1 678 0.00 MB/sec execute 30 sec latency 31313.035 ms 1 678 0.00 MB/sec execute 31 sec latency 32313.864 ms 1 678 0.00 MB/sec execute 32 sec latency 33316.421 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 678 0.00 MB/sec execute 33 sec latency 34318.436 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 678 0.00 MB/sec execute 34 sec latency 35331.550 ms Started lustre-MDT0000 10:46:00 (1786805160) targets are mounted 10:46:00 (1786805160) facet_failover done 1 704 0.00 MB/sec execute 35 sec latency 35689.903 ms 1 720 0.00 MB/sec execute 36 sec latency 567.646 ms 1 735 0.00 MB/sec execute 37 sec latency 920.239 ms 1 767 0.00 MB/sec execute 38 sec latency 122.710 ms 1 798 0.01 MB/sec execute 39 sec latency 166.539 ms 1 849 0.01 MB/sec execute 40 sec latency 109.328 ms 1 878 0.01 MB/sec execute 41 sec latency 111.767 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 904 0.01 MB/sec execute 42 sec latency 123.166 ms 1 930 0.01 MB/sec execute 43 sec latency 111.944 ms 1 960 0.01 MB/sec execute 44 sec latency 150.480 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 988 0.02 MB/sec execute 45 sec latency 108.287 ms 1 1050 0.04 MB/sec execute 46 sec latency 138.546 ms 1 1112 0.04 MB/sec execute 47 sec latency 82.362 ms 1 1147 0.04 MB/sec execute 48 sec latency 135.332 ms 1 1192 0.04 MB/sec execute 49 sec latency 142.800 ms 1 1236 0.04 MB/sec execute 50 sec latency 86.065 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1278 0.04 MB/sec execute 51 sec latency 123.738 ms 1 1380 0.09 MB/sec execute 52 sec latency 627.121 ms 1 1418 0.09 MB/sec execute 53 sec latency 95.165 ms 1 1457 0.09 MB/sec execute 54 sec latency 169.222 ms 1 1499 0.09 MB/sec execute 55 sec latency 156.653 ms 1 1546 0.09 MB/sec execute 56 sec latency 127.600 ms 1 1579 0.09 MB/sec execute 57 sec latency 75.954 ms 1 1625 0.09 MB/sec execute 58 sec latency 98.945 ms 1 1662 0.09 MB/sec execute 59 sec latency 113.743 ms 1 1711 0.08 MB/sec execute 60 sec latency 156.826 ms 1 1771 0.08 MB/sec execute 61 sec latency 74.435 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 15 10:46:27 EDT 2026 with return code 0 67804 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67804 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished