== replay-dual test 26: dbench and tar with mds failover ========================================================== 01:00:04 (1786942804) Starting client oleg113-client.virtnet: -o user_xattr,flock 192.168.201.113@tcp:/lustre /mnt/lustre Started clients oleg113-client.virtnet: 192.168.201.113@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 65553 Started dbench loop with 65554 striped dir -i0 -c2 -H crush /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 Mon Aug 17 01:00:08 EDT 2026 waiting for dbench pid 65605 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 2004 1269300 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1840 1269464 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26120 3579736 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185192 1% /mnt/lustre 1 34 1.04 MB/sec warmup 1 sec latency 74.552 ms 1 113 2.61 MB/sec warmup 2 sec latency 148.929 ms 1 155 2.18 MB/sec warmup 3 sec latency 134.205 ms 1 189 1.89 MB/sec warmup 4 sec latency 380.576 ms 1 237 1.81 MB/sec warmup 5 sec latency 98.611 ms 1 290 1.78 MB/sec warmup 6 sec latency 115.441 ms 1 356 1.82 MB/sec warmup 7 sec latency 83.461 ms test_26 fail mds1 1 times 1 421 1.86 MB/sec warmup 8 sec latency 85.176 ms Failing mds1 on oleg113-server 1 469 1.82 MB/sec warmup 9 sec latency 105.950 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 522 1.80 MB/sec warmup 10 sec latency 87.282 ms 1 606 1.90 MB/sec warmup 11 sec latency 304.870 ms 1 606 1.74 MB/sec warmup 12 sec latency 1307.050 ms 01:00:20 (1786942820) shut down facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 606 1.61 MB/sec warmup 13 sec latency 2310.167 ms 1 606 1.50 MB/sec warmup 14 sec latency 3312.183 ms 1 606 1.40 MB/sec warmup 15 sec latency 4312.357 ms 1 606 1.31 MB/sec warmup 16 sec latency 5313.099 ms 1 606 1.23 MB/sec warmup 17 sec latency 6315.514 ms 1 606 1.16 MB/sec warmup 18 sec latency 7315.728 ms 1 606 1.10 MB/sec warmup 19 sec latency 8315.942 ms 1 606 0.00 MB/sec execute 1 sec latency 10318.512 ms 1 606 0.00 MB/sec execute 2 sec latency 11318.953 ms Failover mds1 to oleg113-server mount facets: mds1 1 606 0.00 MB/sec execute 3 sec latency 12319.165 ms 1 606 0.00 MB/sec execute 4 sec latency 13319.350 ms 1 606 0.00 MB/sec execute 5 sec latency 14319.632 ms 1 606 0.00 MB/sec execute 6 sec latency 15319.789 ms 1 606 0.00 MB/sec execute 7 sec latency 16320.014 ms 1 606 0.00 MB/sec execute 8 sec latency 17320.216 ms 1 606 0.00 MB/sec execute 9 sec latency 18320.628 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 10 sec latency 19321.759 ms 1 606 0.00 MB/sec execute 11 sec latency 20322.364 ms 1 606 0.00 MB/sec execute 12 sec latency 21322.557 ms 1 606 0.00 MB/sec execute 13 sec latency 22322.888 ms 1 606 0.00 MB/sec execute 14 sec latency 23323.113 ms 1 606 0.00 MB/sec execute 15 sec latency 24323.342 ms 1 606 0.00 MB/sec execute 16 sec latency 25323.551 ms 1 606 0.00 MB/sec execute 17 sec latency 26323.790 ms 1 606 0.00 MB/sec execute 18 sec latency 27324.866 ms 1 606 0.00 MB/sec execute 19 sec latency 28325.136 ms 1 606 0.00 MB/sec execute 20 sec latency 29325.380 ms 1 606 0.00 MB/sec execute 21 sec latency 30326.728 ms 1 606 0.00 MB/sec execute 22 sec latency 31326.886 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 23 sec latency 32327.780 ms Started lustre-MDT0000 01:00:51 (1786942851) targets are mounted 01:00:51 (1786942851) facet_failover done 1 606 0.00 MB/sec execute 24 sec latency 33328.125 ms 1 606 0.00 MB/sec execute 25 sec latency 34328.459 ms 1 606 0.00 MB/sec execute 26 sec latency 35328.618 ms 1 612 0.00 MB/sec execute 27 sec latency 36172.942 ms 1 674 0.01 MB/sec execute 28 sec latency 76.481 ms 1 718 0.01 MB/sec execute 29 sec latency 102.957 ms 1 728 0.01 MB/sec execute 30 sec latency 650.171 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 770 0.01 MB/sec execute 31 sec latency 124.382 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.02 MB/sec execute 32 sec latency 95.040 ms 1 856 0.02 MB/sec execute 33 sec latency 129.461 ms 1 890 0.02 MB/sec execute 34 sec latency 101.716 ms 1 921 0.02 MB/sec execute 35 sec latency 124.243 ms 1 976 0.03 MB/sec execute 36 sec latency 89.177 ms 1 1050 0.05 MB/sec execute 37 sec latency 78.134 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11672 3595096 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 47316 3553308 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58988 7148404 1% /mnt/lustre 1 1102 0.05 MB/sec execute 38 sec latency 98.667 ms 1 1145 0.05 MB/sec execute 39 sec latency 66.664 ms 1 1182 0.05 MB/sec execute 40 sec latency 116.178 ms 1 1224 0.05 MB/sec execute 41 sec latency 82.111 ms 1 1268 0.05 MB/sec execute 42 sec latency 106.934 ms 1 1285 0.05 MB/sec execute 43 sec latency 757.397 ms 1 1378 0.11 MB/sec execute 44 sec latency 1195.645 ms 1 1421 0.11 MB/sec execute 45 sec latency 141.737 ms 1 1486 0.11 MB/sec execute 46 sec latency 81.951 ms test_26 fail mds2 2 times 1 1523 0.11 MB/sec execute 47 sec latency 93.237 ms 1 1566 0.11 MB/sec execute 48 sec latency 95.511 ms Failing mds2 on oleg113-server 1 1597 0.11 MB/sec execute 49 sec latency 120.673 ms Stopping /mnt/lustre-mds2 (opts:) on oleg113-server 1 1642 0.10 MB/sec execute 50 sec latency 94.644 ms 1 1686 0.10 MB/sec execute 51 sec latency 124.863 ms 01:01:20 (1786942880) shut down facet: mds2 facet_host: oleg113-server facet_failover_host: oleg113-server 1 1775 0.10 MB/sec execute 52 sec latency 78.984 ms 1 1842 0.10 MB/sec execute 53 sec latency 77.454 ms 1 1888 0.10 MB/sec execute 54 sec latency 128.746 ms 1 1974 0.10 MB/sec execute 55 sec latency 84.644 ms 1 2024 0.10 MB/sec execute 56 sec latency 132.938 ms 1 2068 0.10 MB/sec execute 57 sec latency 96.382 ms 1 2139 0.10 MB/sec execute 58 sec latency 113.657 ms 1 2164 0.10 MB/sec execute 59 sec latency 144.738 ms 1 2209 0.10 MB/sec execute 60 sec latency 113.699 ms 1 2251 0.10 MB/sec execute 61 sec latency 156.674 ms Failover mds2 to oleg113-server 1 2259 0.09 MB/sec execute 62 sec latency 809.193 ms mount facets: mds2 1 2259 0.09 MB/sec execute 63 sec latency 1811.280 ms 1 2259 0.09 MB/sec execute 64 sec latency 2816.553 ms 1 2259 0.09 MB/sec execute 65 sec latency 3816.772 ms 1 2259 0.09 MB/sec execute 66 sec latency 4817.798 ms 1 2259 0.09 MB/sec execute 67 sec latency 5818.300 ms 1 2259 0.09 MB/sec execute 68 sec latency 6820.733 ms 1 2259 0.08 MB/sec execute 69 sec latency 7820.974 ms 1 2259 0.08 MB/sec execute 70 sec latency 8821.412 ms 1 2259 0.08 MB/sec execute 71 sec latency 9822.184 ms 1 2259 0.08 MB/sec execute 72 sec latency 10823.858 ms 1 2259 0.08 MB/sec execute 73 sec latency 11824.326 ms 1 2259 0.08 MB/sec execute 74 sec latency 12827.955 ms 1 2259 0.08 MB/sec execute 75 sec latency 13828.308 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.08 MB/sec execute 76 sec latency 14828.549 ms 1 2259 0.08 MB/sec execute 77 sec latency 15830.004 ms 1 2259 0.07 MB/sec execute 78 sec latency 16830.401 ms 1 2259 0.07 MB/sec execute 79 sec latency 17832.758 ms 1 2259 0.07 MB/sec execute 80 sec latency 18833.024 ms 1 2259 0.07 MB/sec execute 81 sec latency 19833.920 ms 1 2259 0.07 MB/sec execute 82 sec latency 20834.176 ms 1 2259 0.07 MB/sec execute 83 sec latency 21835.396 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 2259 0.07 MB/sec execute 84 sec latency 22836.419 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 2259 0.07 MB/sec execute 85 sec latency 23836.663 ms 1 2259 0.07 MB/sec execute 86 sec latency 24837.610 ms Started lustre-MDT0001 01:01:55 (1786942915) targets are mounted 01:01:55 (1786942915) facet_failover done 1 2286 0.07 MB/sec execute 87 sec latency 25292.592 ms 1 2345 0.08 MB/sec execute 88 sec latency 87.652 ms 1 2369 0.08 MB/sec execute 89 sec latency 124.568 ms 1 2396 0.08 MB/sec execute 90 sec latency 128.509 ms 1 2428 0.08 MB/sec execute 91 sec latency 148.739 ms 1 2453 0.08 MB/sec execute 92 sec latency 174.535 ms 1 2478 0.08 MB/sec execute 93 sec latency 185.171 ms 1 2551 0.08 MB/sec execute 94 sec latency 125.334 ms 1 2571 0.08 MB/sec execute 95 sec latency 156.017 ms 1 2596 0.08 MB/sec execute 96 sec latency 172.633 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2750 0.11 MB/sec execute 97 sec latency 138.817 ms 1 2779 0.11 MB/sec execute 98 sec latency 170.126 ms 1 2891 0.12 MB/sec execute 99 sec latency 160.141 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 381 120.195 25292.577 Close 319 12.045 66.860 Rename 18 92.531 174.502 Unlink 43 30.644 104.721 Qpathinfo 366 118.432 36172.914 Qfileinfo 77 3.050 16.124 Qfsinfo 51 4.102 28.433 Sfileinfo 50 62.038 125.317 Find 127 12.564 40.766 WriteX 229 15.271 125.844 ReadX 614 2.165 96.360 LockX 2 22.457 28.135 UnlockX 2 10.323 11.830 Flush 35 63.770 251.267 Throughput 0.117881 MB/sec 1 clients 1 procs max_latency=36172.942 ms stopping dbench on /mnt/lustre at Mon Aug 17 01:02:14 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2380 1268924 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 6248 3599832 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 51152 3554664 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 57400 7154496 1% /mnt/lustre striped dir -i0 -c2 -H fnv_1a_64 /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 Mon Aug 17 01:02:27 EDT 2026 waiting for dbench pid 67860 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 test_26 fail mds1 3 times 0 11 0.00 MB/sec warmup 1 sec latency 21.869 ms 1 52 1.04 MB/sec warmup 2 sec latency 137.096 ms 1 91 1.39 MB/sec warmup 3 sec latency 137.342 ms Failing mds1 on oleg113-server 1 121 1.37 MB/sec warmup 4 sec latency 236.913 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 139 1.20 MB/sec warmup 5 sec latency 291.266 ms 1 165 1.13 MB/sec warmup 6 sec latency 365.047 ms 1 172 1.01 MB/sec warmup 7 sec latency 767.230 ms 1 172 0.88 MB/sec warmup 8 sec latency 1769.742 ms 1 172 0.78 MB/sec warmup 9 sec latency 2772.064 ms 1 172 0.70 MB/sec warmup 10 sec latency 3772.343 ms 1 172 0.64 MB/sec warmup 11 sec latency 4772.966 ms 1 172 0.59 MB/sec warmup 12 sec latency 5773.909 ms 1 172 0.54 MB/sec warmup 13 sec latency 6774.075 ms 1 172 0.50 MB/sec warmup 14 sec latency 7774.581 ms 01:02:42 (1786942962) shut down 1 172 0.47 MB/sec warmup 15 sec latency 8774.896 ms facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 172 0.44 MB/sec warmup 16 sec latency 9775.438 ms 1 172 0.41 MB/sec warmup 17 sec latency 10777.292 ms 1 172 0.39 MB/sec warmup 18 sec latency 11777.602 ms 1 172 0.37 MB/sec warmup 19 sec latency 12777.786 ms 1 172 0.00 MB/sec execute 1 sec latency 14778.237 ms 1 172 0.00 MB/sec execute 2 sec latency 15778.673 ms 1 172 0.00 MB/sec execute 3 sec latency 16780.632 ms 1 172 0.00 MB/sec execute 4 sec latency 17780.797 ms 1 172 0.00 MB/sec execute 5 sec latency 18780.964 ms Failover mds1 to oleg113-server mount facets: mds1 1 172 0.00 MB/sec execute 6 sec latency 19793.327 ms 1 172 0.00 MB/sec execute 7 sec latency 20793.822 ms 1 172 0.00 MB/sec execute 8 sec latency 21798.141 ms 1 172 0.00 MB/sec execute 9 sec latency 22798.398 ms 1 172 0.00 MB/sec execute 10 sec latency 23807.002 ms 1 172 0.00 MB/sec execute 11 sec latency 24821.154 ms 1 172 0.00 MB/sec execute 12 sec latency 25821.434 ms 1 172 0.00 MB/sec execute 13 sec latency 26825.232 ms 1 172 0.00 MB/sec execute 14 sec latency 27827.547 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 172 0.00 MB/sec execute 15 sec latency 28827.832 ms 1 172 0.00 MB/sec execute 16 sec latency 29828.205 ms 1 172 0.00 MB/sec execute 17 sec latency 30828.838 ms 1 172 0.00 MB/sec execute 18 sec latency 31830.239 ms 1 172 0.00 MB/sec execute 19 sec latency 32830.695 ms 1 172 0.00 MB/sec execute 20 sec latency 33832.012 ms 1 172 0.00 MB/sec execute 21 sec latency 34832.392 ms 1 172 0.00 MB/sec execute 22 sec latency 35832.691 ms 1 172 0.00 MB/sec execute 23 sec latency 36835.964 ms 1 172 0.00 MB/sec execute 24 sec latency 37836.442 ms 1 172 0.00 MB/sec execute 25 sec latency 38836.668 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 172 0.00 MB/sec execute 26 sec latency 39836.979 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 172 0.00 MB/sec execute 27 sec latency 40839.996 ms Started lustre-MDT0000 01:03:15 (1786942995) targets are mounted 01:03:15 (1786942995) facet_failover done 1 172 0.00 MB/sec execute 28 sec latency 41840.181 ms 1 187 0.02 MB/sec execute 29 sec latency 41978.027 ms 1 223 0.05 MB/sec execute 30 sec latency 128.145 ms 1 255 0.08 MB/sec execute 31 sec latency 151.808 ms 1 294 0.12 MB/sec execute 32 sec latency 110.790 ms 1 335 0.15 MB/sec execute 33 sec latency 155.770 ms 1 373 0.18 MB/sec execute 34 sec latency 152.048 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 413 0.22 MB/sec execute 35 sec latency 117.756 ms 1 445 0.24 MB/sec execute 36 sec latency 148.133 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 478 0.26 MB/sec execute 37 sec latency 171.966 ms 1 503 0.27 MB/sec execute 38 sec latency 239.689 ms 1 575 0.31 MB/sec execute 39 sec latency 246.545 ms 1 637 0.35 MB/sec execute 40 sec latency 112.216 ms 1 680 0.34 MB/sec execute 41 sec latency 94.307 ms 1 713 0.34 MB/sec execute 42 sec latency 127.553 ms 1 759 0.33 MB/sec execute 43 sec latency 106.367 ms 1 786 0.33 MB/sec execute 44 sec latency 151.984 ms 1 845 0.32 MB/sec execute 45 sec latency 120.340 ms 1 884 0.32 MB/sec execute 46 sec latency 113.710 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 884 0.31 MB/sec execute 47 sec latency 1021.765 ms 1 913 0.31 MB/sec execute 48 sec latency 1062.207 ms 1 948 0.30 MB/sec execute 49 sec latency 117.710 ms 1 977 0.30 MB/sec execute 50 sec latency 119.970 ms 1 1041 0.31 MB/sec execute 51 sec latency 92.038 ms 1 1099 0.30 MB/sec execute 52 sec latency 67.265 ms 1 1145 0.30 MB/sec execute 53 sec latency 82.296 ms 1 1179 0.29 MB/sec execute 54 sec latency 146.456 ms 1 1225 0.29 MB/sec execute 55 sec latency 76.550 ms 1 1262 0.29 MB/sec execute 56 sec latency 100.923 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 17 01:03:44 EDT 2026 with return code 0 67860 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67860 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished