== replay-dual test 26: dbench and tar with mds failover ========================================================== 14:02:14 (1787853734) Starting client oleg641-client.virtnet: -o user_xattr,flock 192.168.206.141@tcp:/lustre /mnt/lustre Started clients oleg641-client.virtnet: 192.168.206.141@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 65671 Started dbench loop with 65673 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 '/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 27 14:02:19 EDT 2026 waiting for dbench pid 65722 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1968 1269336 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 3580744 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7186200 1% /mnt/lustre 1 of 1 processes prepared for launch 0 sec releasing clients 1 36 1.18 MB/sec warmup 1 sec latency 79.029 ms 1 111 2.62 MB/sec warmup 2 sec latency 102.177 ms 1 146 2.09 MB/sec warmup 3 sec latency 148.862 ms 1 181 1.83 MB/sec warmup 4 sec latency 156.073 ms 1 206 1.62 MB/sec warmup 5 sec latency 329.067 ms 1 247 1.56 MB/sec warmup 6 sec latency 150.031 ms 1 289 1.53 MB/sec warmup 7 sec latency 131.122 ms 1 331 1.50 MB/sec warmup 8 sec latency 123.309 ms test_26 fail mds1 1 times 1 373 1.48 MB/sec warmup 9 sec latency 118.162 ms 1 418 1.47 MB/sec warmup 10 sec latency 118.337 ms Failing mds1 on oleg641-server 1 454 1.44 MB/sec warmup 11 sec latency 186.789 ms Stopping /mnt/lustre-mds1 (opts:) on oleg641-server 1 504 1.45 MB/sec warmup 12 sec latency 141.974 ms 1 581 1.52 MB/sec warmup 13 sec latency 162.032 ms 1 606 1.50 MB/sec warmup 14 sec latency 715.730 ms 14:02:33 (1787853753) shut down facet: mds1 facet_host: oleg641-server facet_failover_host: oleg641-server 1 606 1.40 MB/sec warmup 15 sec latency 1716.009 ms 1 606 1.31 MB/sec warmup 16 sec latency 2716.307 ms 1 606 1.23 MB/sec warmup 17 sec latency 3718.213 ms 1 606 1.16 MB/sec warmup 18 sec latency 4718.543 ms 1 606 1.10 MB/sec warmup 19 sec latency 5719.090 ms 1 606 0.00 MB/sec execute 1 sec latency 7719.720 ms 1 606 0.00 MB/sec execute 2 sec latency 8720.420 ms 1 606 0.00 MB/sec execute 3 sec latency 9721.706 ms 1 606 0.00 MB/sec execute 4 sec latency 10721.929 ms Failover mds1 to oleg641-server mount facets: mds1 1 606 0.00 MB/sec execute 5 sec latency 11722.154 ms 1 606 0.00 MB/sec execute 6 sec latency 12722.339 ms 1 606 0.00 MB/sec execute 7 sec latency 13724.433 ms 1 606 0.00 MB/sec execute 8 sec latency 14724.670 ms 1 606 0.00 MB/sec execute 9 sec latency 15724.943 ms 1 606 0.00 MB/sec execute 10 sec latency 16725.133 ms 1 606 0.00 MB/sec execute 11 sec latency 17725.732 ms 1 606 0.00 MB/sec execute 12 sec latency 18725.944 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 13 sec latency 19726.315 ms 1 606 0.00 MB/sec execute 14 sec latency 20726.927 ms 1 606 0.00 MB/sec execute 15 sec latency 21727.449 ms 1 606 0.00 MB/sec execute 16 sec latency 22727.926 ms 1 606 0.00 MB/sec execute 17 sec latency 23728.121 ms 1 606 0.00 MB/sec execute 18 sec latency 24728.980 ms 1 606 0.00 MB/sec execute 19 sec latency 25731.073 ms 1 606 0.00 MB/sec execute 20 sec latency 26731.435 ms 1 606 0.00 MB/sec execute 21 sec latency 27733.110 ms 1 606 0.00 MB/sec execute 22 sec latency 28733.352 ms 1 606 0.00 MB/sec execute 23 sec latency 29733.581 ms 1 606 0.00 MB/sec execute 24 sec latency 30735.177 ms oleg641-server: oleg641-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 25 sec latency 31735.396 ms pdsh@oleg641-client: oleg641-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 26 sec latency 32735.921 ms Started lustre-MDT0000 14:03:05 (1787853785) targets are mounted 14:03:05 (1787853785) facet_failover done 1 606 0.00 MB/sec execute 27 sec latency 33737.477 ms 1 639 0.00 MB/sec execute 28 sec latency 34337.435 ms 1 680 0.01 MB/sec execute 29 sec latency 84.313 ms 1 720 0.01 MB/sec execute 30 sec latency 217.581 ms 1 731 0.01 MB/sec execute 31 sec latency 744.536 ms oleg641-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 32 sec latency 137.120 ms 1 805 0.02 MB/sec execute 33 sec latency 109.791 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.02 MB/sec execute 34 sec latency 86.027 ms 1 895 0.02 MB/sec execute 35 sec latency 103.585 ms 1 948 0.02 MB/sec execute 36 sec latency 114.901 ms 1 979 0.03 MB/sec execute 37 sec latency 175.409 ms 1 1041 0.05 MB/sec execute 38 sec latency 124.685 ms 1 1092 0.05 MB/sec execute 39 sec latency 96.568 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20372 3585236 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 38340 3568076 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58712 7153312 1% /mnt/lustre 1 1154 0.05 MB/sec execute 40 sec latency 98.517 ms 1 1196 0.05 MB/sec execute 41 sec latency 110.206 ms 1 1233 0.05 MB/sec execute 42 sec latency 108.528 ms 1 1271 0.05 MB/sec execute 43 sec latency 111.637 ms 1 1378 0.11 MB/sec execute 44 sec latency 590.254 ms 1 1413 0.11 MB/sec execute 45 sec latency 148.061 ms 1 1457 0.11 MB/sec execute 46 sec latency 97.809 ms 1 1504 0.11 MB/sec execute 47 sec latency 89.045 ms 1 1565 0.11 MB/sec execute 48 sec latency 73.689 ms test_26 fail mds2 2 times 1 1599 0.11 MB/sec execute 49 sec latency 76.468 ms 1 1643 0.10 MB/sec execute 50 sec latency 155.683 ms Failing mds2 on oleg641-server 1 1681 0.10 MB/sec execute 51 sec latency 131.293 ms Stopping /mnt/lustre-mds2 (opts:) on oleg641-server 1 1721 0.10 MB/sec execute 52 sec latency 148.655 ms 1 1795 0.10 MB/sec execute 53 sec latency 73.966 ms 1 1855 0.10 MB/sec execute 54 sec latency 81.431 ms 14:03:33 (1787853813) shut down facet: mds2 facet_host: oleg641-server facet_failover_host: oleg641-server 1 1924 0.10 MB/sec execute 55 sec latency 99.888 ms 1 2000 0.10 MB/sec execute 56 sec latency 71.795 ms 1 2056 0.10 MB/sec execute 57 sec latency 106.755 ms 1 2148 0.10 MB/sec execute 58 sec latency 64.225 ms 1 2204 0.10 MB/sec execute 59 sec latency 68.841 ms 1 2259 0.10 MB/sec execute 60 sec latency 409.831 ms 1 2259 0.10 MB/sec execute 61 sec latency 1410.078 ms 1 2259 0.09 MB/sec execute 62 sec latency 2410.364 ms 1 2259 0.09 MB/sec execute 63 sec latency 3411.985 ms 1 2259 0.09 MB/sec execute 64 sec latency 4412.247 ms Failover mds2 to oleg641-server mount facets: mds2 1 2259 0.09 MB/sec execute 65 sec latency 5425.217 ms 1 2259 0.09 MB/sec execute 66 sec latency 6425.564 ms 1 2259 0.09 MB/sec execute 67 sec latency 7429.758 ms 1 2259 0.09 MB/sec execute 68 sec latency 8430.046 ms 1 2259 0.08 MB/sec execute 69 sec latency 9434.576 ms 1 2259 0.08 MB/sec execute 70 sec latency 10435.494 ms 1 2259 0.08 MB/sec execute 71 sec latency 11435.707 ms 1 2259 0.08 MB/sec execute 72 sec latency 12437.390 ms 1 2259 0.08 MB/sec execute 73 sec latency 13438.602 ms 1 2259 0.08 MB/sec execute 74 sec latency 14438.988 ms 1 2259 0.08 MB/sec execute 75 sec latency 15439.446 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 16440.611 ms 1 2259 0.08 MB/sec execute 77 sec latency 17440.829 ms 1 2259 0.07 MB/sec execute 78 sec latency 18441.260 ms 1 2259 0.07 MB/sec execute 79 sec latency 19441.622 ms 1 2259 0.07 MB/sec execute 80 sec latency 20442.973 ms 1 2259 0.07 MB/sec execute 81 sec latency 21443.995 ms 1 2259 0.07 MB/sec execute 82 sec latency 22444.283 ms oleg641-server: oleg641-server.virtnet: executing set_default_debug -1 all 1 2259 0.07 MB/sec execute 83 sec latency 23444.656 ms 1 2259 0.07 MB/sec execute 84 sec latency 24445.027 ms pdsh@oleg641-client: oleg641-server: ssh exited with exit code 1 1 2283 0.07 MB/sec execute 85 sec latency 25291.947 ms Started lustre-MDT0001 14:04:05 (1787853845) targets are mounted 14:04:05 (1787853845) facet_failover done 1 2348 0.08 MB/sec execute 86 sec latency 70.884 ms 1 2380 0.08 MB/sec execute 87 sec latency 128.118 ms 1 2415 0.08 MB/sec execute 88 sec latency 107.752 ms 1 2447 0.08 MB/sec execute 89 sec latency 96.667 ms 1 2479 0.09 MB/sec execute 90 sec latency 94.192 ms 1 2566 0.09 MB/sec execute 91 sec latency 90.614 ms 1 2591 0.09 MB/sec execute 92 sec latency 106.575 ms 1 2633 0.09 MB/sec execute 93 sec latency 132.959 ms oleg641-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2770 0.12 MB/sec execute 94 sec latency 126.620 ms 1 2887 0.12 MB/sec execute 95 sec latency 94.555 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2925 0.13 MB/sec execute 96 sec latency 127.718 ms 1 2982 0.13 MB/sec execute 97 sec latency 188.460 ms 1 3015 0.13 MB/sec execute 98 sec latency 138.724 ms 1 3204 0.13 MB/sec execute 99 sec latency 102.112 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2484 1268820 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2164 1269140 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 28976 3575144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 39248 3567740 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 68224 7142884 1% /mnt/lustre 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 411 110.335 25291.657 Close 339 11.606 90.426 Rename 22 92.863 188.432 Unlink 49 25.922 82.230 Qpathinfo 410 99.750 34337.407 Qfileinfo 88 2.256 16.107 Qfsinfo 60 3.561 24.665 Sfileinfo 50 59.444 109.775 Find 136 11.300 32.518 WriteX 256 13.511 72.595 ReadX 804 1.295 78.862 LockX 2 18.317 21.207 UnlockX 2 14.259 19.612 Flush 39 62.243 187.104 Throughput 0.134318 MB/sec 1 clients 1 procs max_latency=34337.435 ms stopping dbench on /mnt/lustre at Thu Aug 27 14:04:24 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 '/usr/share/dbench/client.txt' -> 'client.txt' test_26 fail mds1 3 times running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Aug 27 14:04:33 EDT 2026 waiting for dbench pid 67980 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 8 0.00 MB/sec warmup 1 sec latency 179.178 ms 1 52 1.04 MB/sec warmup 2 sec latency 123.233 ms Failing mds1 on oleg641-server 1 102 1.57 MB/sec warmup 3 sec latency 106.585 ms Stopping /mnt/lustre-mds1 (opts:) on oleg641-server 1 133 1.45 MB/sec warmup 4 sec latency 200.969 ms 1 155 1.30 MB/sec warmup 5 sec latency 341.685 ms 1 155 1.09 MB/sec warmup 6 sec latency 1341.919 ms 1 155 0.93 MB/sec warmup 7 sec latency 2342.173 ms 1 155 0.82 MB/sec warmup 8 sec latency 3343.974 ms 1 155 0.73 MB/sec warmup 9 sec latency 4344.343 ms 1 155 0.65 MB/sec warmup 10 sec latency 5344.524 ms 1 155 0.59 MB/sec warmup 11 sec latency 6345.228 ms 1 155 0.54 MB/sec warmup 12 sec latency 7347.447 ms 14:04:47 (1787853887) shut down 1 155 0.50 MB/sec warmup 13 sec latency 8347.608 ms facet: mds1 facet_host: oleg641-server facet_failover_host: oleg641-server 1 155 0.47 MB/sec warmup 14 sec latency 9353.038 ms 1 155 0.44 MB/sec warmup 15 sec latency 10353.883 ms 1 155 0.41 MB/sec warmup 16 sec latency 11354.200 ms 1 155 0.38 MB/sec warmup 17 sec latency 12355.533 ms 1 155 0.36 MB/sec warmup 18 sec latency 13355.726 ms 1 155 0.34 MB/sec warmup 19 sec latency 14355.923 ms 1 155 0.00 MB/sec execute 1 sec latency 16356.193 ms 1 155 0.00 MB/sec execute 2 sec latency 17357.201 ms 1 155 0.00 MB/sec execute 3 sec latency 18357.401 ms Failover mds1 to oleg641-server mount facets: mds1 1 155 0.00 MB/sec execute 4 sec latency 19357.963 ms 1 155 0.00 MB/sec execute 5 sec latency 20360.271 ms 1 155 0.00 MB/sec execute 6 sec latency 21360.595 ms 1 155 0.00 MB/sec execute 7 sec latency 22360.898 ms 1 155 0.00 MB/sec execute 8 sec latency 23362.457 ms 1 155 0.00 MB/sec execute 9 sec latency 24362.799 ms 1 155 0.00 MB/sec execute 10 sec latency 25364.722 ms 1 155 0.00 MB/sec execute 11 sec latency 26364.929 ms 1 155 0.00 MB/sec execute 12 sec latency 27365.201 ms 1 155 0.00 MB/sec execute 13 sec latency 28365.459 ms 1 155 0.00 MB/sec execute 14 sec latency 29367.059 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 155 0.00 MB/sec execute 15 sec latency 30367.277 ms 1 155 0.00 MB/sec execute 16 sec latency 31367.690 ms 1 155 0.00 MB/sec execute 17 sec latency 32368.702 ms 1 155 0.00 MB/sec execute 18 sec latency 33371.401 ms 1 155 0.00 MB/sec execute 19 sec latency 34372.145 ms 1 155 0.00 MB/sec execute 20 sec latency 35372.566 ms 1 155 0.00 MB/sec execute 21 sec latency 36373.391 ms 1 155 0.00 MB/sec execute 22 sec latency 37373.712 ms 1 155 0.00 MB/sec execute 23 sec latency 38373.992 ms 1 155 0.00 MB/sec execute 24 sec latency 39374.267 ms 1 155 0.00 MB/sec execute 25 sec latency 40374.678 ms oleg641-server: oleg641-server.virtnet: executing set_default_debug -1 all 1 155 0.00 MB/sec execute 26 sec latency 41376.042 ms pdsh@oleg641-client: oleg641-server: ssh exited with exit code 1 1 155 0.00 MB/sec execute 27 sec latency 42376.463 ms Started lustre-MDT0000 14:05:21 (1787853921) targets are mounted 14:05:21 (1787853921) facet_failover done 1 155 0.00 MB/sec execute 28 sec latency 43380.452 ms 1 165 0.01 MB/sec execute 29 sec latency 44107.106 ms 1 184 0.03 MB/sec execute 30 sec latency 381.045 ms 1 216 0.06 MB/sec execute 31 sec latency 437.178 ms 1 260 0.10 MB/sec execute 32 sec latency 112.124 ms 1 289 0.13 MB/sec execute 33 sec latency 154.298 ms 1 313 0.15 MB/sec execute 34 sec latency 208.962 ms 1 339 0.16 MB/sec execute 35 sec latency 199.106 ms oleg641-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 373 0.19 MB/sec execute 36 sec latency 190.293 ms 1 397 0.20 MB/sec execute 37 sec latency 180.575 ms 1 434 0.23 MB/sec execute 38 sec latency 171.026 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 462 0.25 MB/sec execute 39 sec latency 215.600 ms 1 494 0.27 MB/sec execute 40 sec latency 135.129 ms 1 522 0.28 MB/sec execute 41 sec latency 199.592 ms 1 606 0.34 MB/sec execute 42 sec latency 131.340 ms 1 654 0.34 MB/sec execute 43 sec latency 121.692 ms 1 692 0.33 MB/sec execute 44 sec latency 104.721 ms 1 730 0.33 MB/sec execute 45 sec latency 113.974 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 774 0.32 MB/sec execute 46 sec latency 100.805 ms 1 806 0.32 MB/sec execute 47 sec latency 114.374 ms 1 873 0.31 MB/sec execute 48 sec latency 106.884 ms 1 884 0.31 MB/sec execute 49 sec latency 740.618 ms 1 902 0.30 MB/sec execute 50 sec latency 1147.530 ms 1 940 0.30 MB/sec execute 51 sec latency 142.714 ms 1 977 0.29 MB/sec execute 52 sec latency 123.609 ms 1 1038 0.31 MB/sec execute 53 sec latency 100.691 ms 1 1086 0.30 MB/sec execute 54 sec latency 73.180 ms 1 1134 0.30 MB/sec execute 55 sec latency 101.497 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 14:05:49 EDT 2026 with return code 0 67980 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67980 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished