== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:30:46 (1763335846) Starting client oleg329-client.virtnet: -o user_xattr,flock 192.168.203.129@tcp:/lustre /mnt/lustre Started clients oleg329-client.virtnet: 192.168.203.129@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65061 Started dbench loop with 65062 striped dir -i0 -c2 -H fnv_1a_64 /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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sun Nov 16 18:30:49 EST 2025 waiting for dbench pid 65106 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1972 1269332 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1780 1269524 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26140 3579716 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185192 1% /mnt/lustre 1 82 3.67 MB/sec warmup 1 sec latency 71.582 ms 1 155 3.27 MB/sec warmup 2 sec latency 74.278 ms 1 197 2.61 MB/sec warmup 3 sec latency 270.731 ms 1 255 2.41 MB/sec warmup 4 sec latency 117.662 ms 1 313 2.29 MB/sec warmup 5 sec latency 86.797 ms 1 365 2.17 MB/sec warmup 6 sec latency 94.861 ms test_26 fail mds1 1 times 1 424 2.12 MB/sec warmup 7 sec latency 95.476 ms 1 485 2.12 MB/sec warmup 8 sec latency 78.297 ms Failing mds1 on oleg329-server Stopping /mnt/lustre-mds1 (opts:) on oleg329-server 1 542 2.12 MB/sec warmup 9 sec latency 103.888 ms 1 606 2.09 MB/sec warmup 10 sec latency 619.013 ms 18:31:00 (1763335860) shut down 1 606 1.90 MB/sec warmup 11 sec latency 1624.091 ms facet: mds1 facet_host: oleg329-server facet_failover_host: oleg329-server 1 606 1.74 MB/sec warmup 12 sec latency 2624.358 ms 1 606 1.61 MB/sec warmup 13 sec latency 3626.594 ms 1 606 1.50 MB/sec warmup 14 sec latency 4626.783 ms 1 606 1.40 MB/sec warmup 15 sec latency 5626.996 ms 1 606 1.31 MB/sec warmup 16 sec latency 6630.397 ms 1 606 1.23 MB/sec warmup 17 sec latency 7632.835 ms 1 606 1.16 MB/sec warmup 18 sec latency 8637.539 ms 1 606 1.10 MB/sec warmup 19 sec latency 9638.597 ms 1 606 0.00 MB/sec execute 1 sec latency 11639.226 ms Failover mds1 to oleg329-server mount facets: mds1 1 606 0.00 MB/sec execute 2 sec latency 12639.718 ms 1 606 0.00 MB/sec execute 3 sec latency 13642.585 ms 1 606 0.00 MB/sec execute 4 sec latency 14642.821 ms 1 606 0.00 MB/sec execute 5 sec latency 15643.578 ms 1 606 0.00 MB/sec execute 6 sec latency 16644.351 ms 1 606 0.00 MB/sec execute 7 sec latency 17645.593 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 8 sec latency 18645.761 ms 1 606 0.00 MB/sec execute 9 sec latency 19645.972 ms 1 606 0.00 MB/sec execute 10 sec latency 20649.828 ms 1 606 0.00 MB/sec execute 11 sec latency 21652.093 ms 1 606 0.00 MB/sec execute 12 sec latency 22652.302 ms 1 606 0.00 MB/sec execute 13 sec latency 23652.594 ms 1 606 0.00 MB/sec execute 14 sec latency 24652.793 ms 1 606 0.00 MB/sec execute 15 sec latency 25653.061 ms 1 606 0.00 MB/sec execute 16 sec latency 26656.671 ms 1 606 0.00 MB/sec execute 17 sec latency 27659.528 ms 1 606 0.00 MB/sec execute 18 sec latency 28660.020 ms 1 606 0.00 MB/sec execute 19 sec latency 29660.594 ms 1 606 0.00 MB/sec execute 20 sec latency 30660.755 ms oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 21 sec latency 31660.985 ms pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 Started lustre-MDT0000 18:31:31 (1763335891) targets are mounted 18:31:31 (1763335891) facet_failover done 1 606 0.00 MB/sec execute 22 sec latency 32661.229 ms 1 606 0.00 MB/sec execute 23 sec latency 33662.792 ms 1 606 0.00 MB/sec execute 24 sec latency 34664.738 ms 1 636 0.00 MB/sec execute 25 sec latency 35234.956 ms 1 680 0.01 MB/sec execute 26 sec latency 95.932 ms oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 721 0.01 MB/sec execute 27 sec latency 87.974 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 762 0.01 MB/sec execute 28 sec latency 106.570 ms 1 803 0.02 MB/sec execute 29 sec latency 92.398 ms 1 873 0.02 MB/sec execute 30 sec latency 74.281 ms 1 884 0.02 MB/sec execute 31 sec latency 665.377 ms 1 905 0.02 MB/sec execute 32 sec latency 1100.126 ms 1 957 0.03 MB/sec execute 33 sec latency 84.064 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1896 1269408 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46324 3560260 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12620 3594148 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58944 7154408 1% /mnt/lustre 1 995 0.03 MB/sec execute 34 sec latency 82.496 ms 1 1076 0.06 MB/sec execute 35 sec latency 91.951 ms 1 1132 0.06 MB/sec execute 36 sec latency 65.427 ms 1 1174 0.06 MB/sec execute 37 sec latency 98.749 ms 1 1219 0.06 MB/sec execute 38 sec latency 84.534 ms 1 1261 0.05 MB/sec execute 39 sec latency 109.841 ms 1 1395 0.13 MB/sec execute 40 sec latency 88.951 ms 1 1447 0.12 MB/sec execute 41 sec latency 90.728 ms test_26 fail mds2 2 times 1 1496 0.12 MB/sec execute 42 sec latency 218.968 ms Failing mds2 on oleg329-server 1 1549 0.12 MB/sec execute 43 sec latency 71.444 ms Stopping /mnt/lustre-mds2 (opts:) on oleg329-server 1 1590 0.12 MB/sec execute 44 sec latency 66.132 ms 1 1651 0.12 MB/sec execute 45 sec latency 77.093 ms 1 1713 0.11 MB/sec execute 46 sec latency 108.189 ms 1 1807 0.11 MB/sec execute 47 sec latency 62.737 ms 1 1871 0.11 MB/sec execute 48 sec latency 91.494 ms 18:31:57 (1763335917) shut down facet: mds2 facet_host: oleg329-server facet_failover_host: oleg329-server 1 1964 0.11 MB/sec execute 49 sec latency 73.450 ms 1 2020 0.11 MB/sec execute 50 sec latency 86.676 ms 1 2115 0.11 MB/sec execute 51 sec latency 52.223 ms 1 2168 0.11 MB/sec execute 52 sec latency 71.669 ms 1 2259 0.11 MB/sec execute 53 sec latency 75.598 ms 1 2259 0.11 MB/sec execute 54 sec latency 1014.464 ms 1 2259 0.11 MB/sec execute 55 sec latency 2014.727 ms 1 2259 0.10 MB/sec execute 56 sec latency 3015.017 ms 1 2259 0.10 MB/sec execute 57 sec latency 4015.288 ms 1 2259 0.10 MB/sec execute 58 sec latency 5015.534 ms Failover mds2 to oleg329-server mount facets: mds2 1 2259 0.10 MB/sec execute 59 sec latency 6015.767 ms 1 2259 0.10 MB/sec execute 60 sec latency 7016.372 ms 1 2259 0.10 MB/sec execute 61 sec latency 8017.058 ms 1 2259 0.09 MB/sec execute 62 sec latency 9021.030 ms 1 2259 0.09 MB/sec execute 63 sec latency 10022.508 ms 1 2259 0.09 MB/sec execute 64 sec latency 11022.866 ms 1 2259 0.09 MB/sec execute 65 sec latency 12023.144 ms 1 2259 0.09 MB/sec execute 66 sec latency 13023.473 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.09 MB/sec execute 67 sec latency 14029.709 ms 1 2259 0.09 MB/sec execute 68 sec latency 15029.970 ms 1 2259 0.08 MB/sec execute 69 sec latency 16031.515 ms 1 2259 0.08 MB/sec execute 70 sec latency 17035.955 ms oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 2259 0.08 MB/sec execute 71 sec latency 18036.319 ms pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 2259 0.08 MB/sec execute 72 sec latency 19046.740 ms 1 2259 0.08 MB/sec execute 73 sec latency 20048.913 ms Started lustre-MDT0001 18:32:22 (1763335942) targets are mounted 18:32:22 (1763335942) facet_failover done 1 2259 0.08 MB/sec execute 74 sec latency 21049.375 ms 1 2259 0.08 MB/sec execute 75 sec latency 22051.367 ms 1 2280 0.08 MB/sec execute 76 sec latency 22687.900 ms 1 2345 0.09 MB/sec execute 77 sec latency 87.221 ms 1 2377 0.09 MB/sec execute 78 sec latency 108.141 ms oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2403 0.09 MB/sec execute 79 sec latency 174.317 ms 1 2439 0.09 MB/sec execute 80 sec latency 118.992 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2466 0.09 MB/sec execute 81 sec latency 129.928 ms 1 2502 0.09 MB/sec execute 82 sec latency 119.492 ms 1 2589 0.10 MB/sec execute 83 sec latency 80.193 ms 1 2718 0.13 MB/sec execute 84 sec latency 99.299 ms 1 2879 0.13 MB/sec execute 85 sec latency 94.019 ms 1 2929 0.15 MB/sec execute 86 sec latency 85.048 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2328 1268976 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 55692 3549668 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12952 3593860 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 68644 7143528 1% /mnt/lustre 1 2990 0.14 MB/sec execute 87 sec latency 121.062 ms 1 3028 0.14 MB/sec execute 88 sec latency 115.492 ms 1 3209 0.15 MB/sec execute 89 sec latency 102.168 ms 1 3275 0.16 MB/sec execute 90 sec latency 141.220 ms 1 3341 0.16 MB/sec execute 91 sec latency 118.042 ms 1 3399 0.16 MB/sec execute 92 sec latency 66.508 ms 1 3541 0.19 MB/sec execute 93 sec latency 110.781 ms 1 3590 0.19 MB/sec execute 94 sec latency 102.640 ms 1 3672 0.19 MB/sec execute 95 sec latency 71.886 ms test_26 fail mds1 3 times 1 3727 0.19 MB/sec execute 96 sec latency 97.641 ms 1 3789 0.19 MB/sec execute 97 sec latency 110.573 ms Failing mds1 on oleg329-server 1 3828 0.19 MB/sec execute 98 sec latency 119.892 ms Stopping /mnt/lustre-mds1 (opts:) on oleg329-server 1 3886 0.19 MB/sec execute 99 sec latency 73.852 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 18:32:56 (1763335976) shut down facet: mds1 facet_host: oleg329-server facet_failover_host: oleg329-server 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 1 cleanup 115 sec 1 cleanup 116 sec Failover mds1 to oleg329-server mount facets: mds1 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 cleanup 127 sec pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 cleanup 128 sec Started lustre-MDT0000 18:33:18 (1763335998) targets are mounted 18:33:18 (1763335998) facet_failover done 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 133 sec 0 cleanup 134 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 556 82.115 22687.885 Close 430 10.647 59.712 Rename 26 77.790 174.296 Unlink 86 20.788 66.501 Qpathinfo 515 83.015 35234.931 Qfileinfo 97 1.482 14.714 Qfsinfo 95 3.830 73.823 Sfileinfo 50 58.235 118.975 Find 197 10.297 56.948 WriteX 303 12.093 95.687 ReadX 956 1.261 55.150 LockX 2 8.374 9.675 UnlockX 2 11.036 12.917 Flush 43 52.271 106.556 Throughput 0.189517 MB/sec 1 clients 1 procs max_latency=35234.956 ms stopping dbench on /mnt/lustre at Sun Nov 16 18:33:23 EST 2025 with return code 0 mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 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 Sun Nov 16 18:33:29 EST 2025 waiting for dbench pid 68280 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs UUID 1K-blocks Used Available Use% Mounted on 0 of 1 processes prepared for launch 0 sec lustre-MDT0000_UUID 1414116 2620 1268684 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2372 1268932 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20988 3559432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 3128 3603332 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 24116 7162764 1% /mnt/lustre 1 of 1 processes prepared for launch 0 sec releasing clients 1 16 0.13 MB/sec warmup 1 sec latency 34.694 ms 1 79 1.73 MB/sec warmup 2 sec latency 114.431 ms 1 125 1.85 MB/sec warmup 3 sec latency 197.921 ms 1 157 1.63 MB/sec warmup 4 sec latency 125.108 ms 1 190 1.51 MB/sec warmup 5 sec latency 317.997 ms 1 223 1.43 MB/sec warmup 6 sec latency 351.592 ms 1 279 1.49 MB/sec warmup 7 sec latency 100.625 ms 1 323 1.47 MB/sec warmup 8 sec latency 101.167 ms test_26 fail mds2 4 times 1 365 1.45 MB/sec warmup 9 sec latency 145.554 ms 1 404 1.43 MB/sec warmup 10 sec latency 128.726 ms Failing mds2 on oleg329-server 1 442 1.41 MB/sec warmup 11 sec latency 117.217 ms Stopping /mnt/lustre-mds2 (opts:) on oleg329-server 1 484 1.41 MB/sec warmup 12 sec latency 181.876 ms 1 501 1.34 MB/sec warmup 13 sec latency 440.464 ms 1 501 1.24 MB/sec warmup 14 sec latency 1443.226 ms 18:33:43 (1763336023) shut down facet: mds2 facet_host: oleg329-server facet_failover_host: oleg329-server 1 501 1.16 MB/sec warmup 15 sec latency 2445.552 ms 1 501 1.09 MB/sec warmup 16 sec latency 3445.775 ms 1 501 1.03 MB/sec warmup 17 sec latency 4446.003 ms 1 501 0.97 MB/sec warmup 18 sec latency 5447.735 ms 1 501 0.92 MB/sec warmup 19 sec latency 6448.445 ms 1 501 0.00 MB/sec execute 1 sec latency 8450.309 ms 1 501 0.00 MB/sec execute 2 sec latency 9451.210 ms 1 501 0.00 MB/sec execute 3 sec latency 10452.680 ms 1 501 0.00 MB/sec execute 4 sec latency 11452.922 ms Failover mds2 to oleg329-server mount facets: mds2 1 501 0.00 MB/sec execute 5 sec latency 12453.168 ms 1 501 0.00 MB/sec execute 6 sec latency 13454.110 ms 1 501 0.00 MB/sec execute 7 sec latency 14456.572 ms 1 501 0.00 MB/sec execute 8 sec latency 15456.792 ms 1 501 0.00 MB/sec execute 9 sec latency 16457.694 ms 1 501 0.00 MB/sec execute 10 sec latency 17458.781 ms 1 501 0.00 MB/sec execute 11 sec latency 18459.391 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 501 0.00 MB/sec execute 12 sec latency 19460.443 ms 1 501 0.00 MB/sec execute 13 sec latency 20460.654 ms 1 501 0.00 MB/sec execute 14 sec latency 21461.309 ms oleg329-server: oleg329-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 15 sec latency 22462.026 ms pdsh@oleg329-client: oleg329-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 16 sec latency 23466.846 ms Started lustre-MDT0001 18:34:05 (1763336045) targets are mounted 18:34:05 (1763336045) facet_failover done 1 501 0.00 MB/sec execute 17 sec latency 24467.215 ms 1 501 0.00 MB/sec execute 18 sec latency 25468.630 ms 1 530 0.05 MB/sec execute 19 sec latency 25991.753 ms oleg329-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 655 0.18 MB/sec execute 20 sec latency 62.890 ms 1 705 0.18 MB/sec execute 21 sec latency 77.303 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 759 0.18 MB/sec execute 22 sec latency 96.361 ms 1 801 0.17 MB/sec execute 23 sec latency 110.408 ms 1 874 0.17 MB/sec execute 24 sec latency 67.656 ms 1 894 0.17 MB/sec execute 25 sec latency 593.919 ms 1 955 0.17 MB/sec execute 26 sec latency 68.675 ms 1 1041 0.20 MB/sec execute 27 sec latency 71.889 ms 1 1134 0.20 MB/sec execute 28 sec latency 50.960 ms 1 1211 0.19 MB/sec execute 29 sec latency 61.843 ms 1 1285 0.19 MB/sec execute 30 sec latency 50.011 ms 1 1448 0.28 MB/sec execute 31 sec latency 71.572 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1523 0.27 MB/sec execute 32 sec latency 172.972 ms 1 1627 0.26 MB/sec execute 33 sec latency 55.017 ms 1 1711 0.26 MB/sec execute 34 sec latency 68.165 ms 1 1820 0.25 MB/sec execute 35 sec latency 70.266 ms 1 1888 0.25 MB/sec execute 36 sec latency 115.598 ms 1 1995 0.24 MB/sec execute 37 sec latency 62.123 ms 1 2069 0.24 MB/sec execute 38 sec latency 63.666 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Nov 16 18:34:28 EST 2025 with return code 0 1 2154 0.24 MB/sec execute 39 sec latency 69.641 ms 68280 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68280 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished