== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:56:08 (1787831768) Starting client oleg150-client.virtnet: -o user_xattr,flock 192.168.201.150@tcp:/lustre /mnt/lustre Started clients oleg150-client.virtnet: 192.168.201.150@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 65683 Started dbench loop with 65684 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /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 1944 1269360 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 1544 3588920 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194376 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 Thu Aug 27 07:56:14 EDT 2026 waiting for dbench pid 65762 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 8 0.00 MB/sec warmup 1 sec latency 194.310 ms 1 58 1.18 MB/sec warmup 2 sec latency 122.723 ms 1 106 1.66 MB/sec warmup 3 sec latency 142.266 ms 1 130 1.44 MB/sec warmup 4 sec latency 167.603 ms 1 157 1.31 MB/sec warmup 5 sec latency 194.032 ms 1 165 1.13 MB/sec warmup 6 sec latency 830.441 ms 1 184 1.05 MB/sec warmup 7 sec latency 1031.736 ms 1 199 0.98 MB/sec warmup 8 sec latency 553.634 ms 1 239 1.01 MB/sec warmup 9 sec latency 189.027 ms 1 280 1.04 MB/sec warmup 10 sec latency 104.053 ms test_26 fail mds1 1 times 1 311 1.04 MB/sec warmup 11 sec latency 158.740 ms 1 324 0.98 MB/sec warmup 12 sec latency 372.030 ms Failing mds1 on oleg150-server 1 342 0.94 MB/sec warmup 13 sec latency 299.029 ms 1 371 0.94 MB/sec warmup 14 sec latency 193.506 ms Stopping /mnt/lustre-mds1 (opts:) on oleg150-server 1 398 0.94 MB/sec warmup 15 sec latency 192.109 ms 1 420 0.93 MB/sec warmup 16 sec latency 379.896 ms 1 420 0.87 MB/sec warmup 17 sec latency 1380.104 ms 1 420 0.82 MB/sec warmup 18 sec latency 2381.714 ms 07:56:33 (1787831793) shut down facet: mds1 facet_host: oleg150-server facet_failover_host: oleg150-server 1 420 0.78 MB/sec warmup 19 sec latency 3382.189 ms 1 420 0.00 MB/sec execute 1 sec latency 5386.099 ms 1 420 0.00 MB/sec execute 2 sec latency 6388.875 ms 1 420 0.00 MB/sec execute 3 sec latency 7389.098 ms 1 420 0.00 MB/sec execute 4 sec latency 8389.310 ms 1 420 0.00 MB/sec execute 5 sec latency 9390.002 ms 1 420 0.00 MB/sec execute 6 sec latency 10390.153 ms 1 420 0.00 MB/sec execute 7 sec latency 11390.538 ms 1 420 0.00 MB/sec execute 8 sec latency 12390.794 ms Failover mds1 to oleg150-server mount facets: mds1 1 420 0.00 MB/sec execute 9 sec latency 13392.600 ms 1 420 0.00 MB/sec execute 10 sec latency 14392.813 ms 1 420 0.00 MB/sec execute 11 sec latency 15393.102 ms 1 420 0.00 MB/sec execute 12 sec latency 16393.363 ms 1 420 0.00 MB/sec execute 13 sec latency 17393.564 ms 1 420 0.00 MB/sec execute 14 sec latency 18393.814 ms 1 420 0.00 MB/sec execute 15 sec latency 19394.027 ms 1 420 0.00 MB/sec execute 16 sec latency 20394.303 ms 1 420 0.00 MB/sec execute 17 sec latency 21397.025 ms 1 420 0.00 MB/sec execute 18 sec latency 22399.164 ms 1 420 0.00 MB/sec execute 19 sec latency 23399.394 ms 1 420 0.00 MB/sec execute 20 sec latency 24399.688 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 420 0.00 MB/sec execute 21 sec latency 25399.906 ms 1 420 0.00 MB/sec execute 22 sec latency 26400.348 ms 1 420 0.00 MB/sec execute 23 sec latency 27401.776 ms 1 420 0.00 MB/sec execute 24 sec latency 28402.036 ms 1 420 0.00 MB/sec execute 25 sec latency 29402.600 ms 1 420 0.00 MB/sec execute 26 sec latency 30403.103 ms 1 420 0.00 MB/sec execute 27 sec latency 31403.328 ms 1 420 0.00 MB/sec execute 28 sec latency 32403.588 ms 1 420 0.00 MB/sec execute 29 sec latency 33404.309 ms 1 420 0.00 MB/sec execute 30 sec latency 34404.537 ms 1 420 0.00 MB/sec execute 31 sec latency 35404.889 ms 1 420 0.00 MB/sec execute 32 sec latency 36405.094 ms 1 420 0.00 MB/sec execute 33 sec latency 37405.322 ms 1 420 0.00 MB/sec execute 34 sec latency 38406.422 ms 1 420 0.00 MB/sec execute 35 sec latency 39406.733 ms 1 420 0.00 MB/sec execute 36 sec latency 40407.288 ms 1 420 0.00 MB/sec execute 37 sec latency 41407.494 ms 1 420 0.00 MB/sec execute 38 sec latency 42408.337 ms 1 420 0.00 MB/sec execute 39 sec latency 43426.894 ms 1 420 0.00 MB/sec execute 40 sec latency 44431.513 ms 1 420 0.00 MB/sec execute 41 sec latency 45434.130 ms 1 420 0.00 MB/sec execute 42 sec latency 46434.770 ms oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 43 sec latency 47435.909 ms pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 44 sec latency 48436.554 ms Started lustre-MDT0000 07:57:19 (1787831839) targets are mounted 07:57:19 (1787831839) facet_failover done 1 421 0.00 MB/sec execute 45 sec latency 49309.094 ms 1 469 0.03 MB/sec execute 46 sec latency 152.060 ms 1 508 0.06 MB/sec execute 47 sec latency 128.513 ms 1 542 0.09 MB/sec execute 48 sec latency 163.015 ms 1 554 0.09 MB/sec execute 49 sec latency 847.798 ms 1 639 0.12 MB/sec execute 50 sec latency 88.852 ms 1 674 0.12 MB/sec execute 51 sec latency 140.310 ms 1 706 0.12 MB/sec execute 52 sec latency 123.855 ms oleg150-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 735 0.12 MB/sec execute 53 sec latency 161.041 ms 1 767 0.12 MB/sec execute 54 sec latency 135.357 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 791 0.12 MB/sec execute 55 sec latency 162.798 ms 1 815 0.12 MB/sec execute 56 sec latency 140.482 ms 1 863 0.12 MB/sec execute 57 sec latency 115.688 ms 1 902 0.12 MB/sec execute 58 sec latency 93.397 ms 1 936 0.12 MB/sec execute 59 sec latency 97.418 ms 1 972 0.12 MB/sec execute 60 sec latency 148.558 ms 1 1018 0.12 MB/sec execute 61 sec latency 108.051 ms 1 1061 0.13 MB/sec execute 62 sec latency 85.780 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19344 3585304 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 37752 3569156 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 57096 7154460 1% /mnt/lustre 1 1102 0.13 MB/sec execute 63 sec latency 107.258 ms 1 1148 0.13 MB/sec execute 64 sec latency 81.204 ms 1 1172 0.13 MB/sec execute 65 sec latency 654.577 ms 1 1198 0.12 MB/sec execute 66 sec latency 863.939 ms 1 1233 0.12 MB/sec execute 67 sec latency 113.765 ms 1 1271 0.12 MB/sec execute 68 sec latency 113.139 ms 1 1389 0.16 MB/sec execute 69 sec latency 241.280 ms 1 1417 0.16 MB/sec execute 70 sec latency 157.534 ms 1 1459 0.16 MB/sec execute 71 sec latency 97.944 ms test_26 fail mds2 2 times 1 1504 0.16 MB/sec execute 72 sec latency 93.544 ms 1 1545 0.15 MB/sec execute 73 sec latency 97.810 ms 1 1576 0.15 MB/sec execute 74 sec latency 81.337 ms Failing mds2 on oleg150-server 1 1624 0.15 MB/sec execute 75 sec latency 93.352 ms Stopping /mnt/lustre-mds2 (opts:) on oleg150-server 1 1660 0.15 MB/sec execute 76 sec latency 117.999 ms 1 1705 0.15 MB/sec execute 77 sec latency 145.410 ms 1 1775 0.15 MB/sec execute 78 sec latency 83.495 ms 07:57:53 (1787831873) shut down facet: mds2 facet_host: oleg150-server facet_failover_host: oleg150-server 1 1845 0.15 MB/sec execute 79 sec latency 56.924 ms 1 1934 0.14 MB/sec execute 80 sec latency 96.668 ms 1 2006 0.14 MB/sec execute 81 sec latency 90.319 ms 1 2063 0.14 MB/sec execute 82 sec latency 120.331 ms 1 2136 0.14 MB/sec execute 83 sec latency 88.047 ms 1 2198 0.14 MB/sec execute 84 sec latency 74.079 ms 1 2259 0.14 MB/sec execute 85 sec latency 447.661 ms 1 2259 0.14 MB/sec execute 86 sec latency 1448.117 ms 1 2259 0.14 MB/sec execute 87 sec latency 2448.604 ms 1 2259 0.14 MB/sec execute 88 sec latency 3448.888 ms Failover mds2 to oleg150-server mount facets: mds2 1 2259 0.13 MB/sec execute 89 sec latency 4451.553 ms 1 2259 0.13 MB/sec execute 90 sec latency 5451.901 ms 1 2259 0.13 MB/sec execute 91 sec latency 6452.414 ms 1 2259 0.13 MB/sec execute 92 sec latency 7452.667 ms 1 2259 0.13 MB/sec execute 93 sec latency 8452.933 ms 1 2259 0.13 MB/sec execute 94 sec latency 9457.677 ms 1 2259 0.13 MB/sec execute 95 sec latency 10459.368 ms 1 2259 0.12 MB/sec execute 96 sec latency 11459.652 ms 1 2259 0.12 MB/sec execute 97 sec latency 12459.873 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 98 sec latency 13460.134 ms 1 2259 0.12 MB/sec execute 99 sec latency 14460.472 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 cleanup 104 sec pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 07:58:20 (1787831900) targets are mounted 07:58:20 (1787831900) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 0 cleanup 111 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 330 125.385 22596.261 Close 287 183.109 49309.060 Rename 11 101.679 161.000 Unlink 30 26.909 94.712 Qpathinfo 295 14.779 112.792 Qfileinfo 79 2.993 37.766 Qfsinfo 33 3.885 20.974 Sfileinfo 34 59.892 138.826 Find 92 12.511 53.101 WriteX 271 14.053 70.258 ReadX 348 2.517 76.204 Flush 30 49.215 145.125 Throughput 0.120224 MB/sec 1 clients 1 procs max_latency=49309.094 ms stopping dbench on /mnt/lustre at Thu Aug 27 07:58:26 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg150-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 Thu Aug 27 07:58:36 EDT 2026 waiting for dbench pid 67887 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 87.727 ms 1 51 1.04 MB/sec warmup 2 sec latency 150.081 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36372 3569228 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10268 3595832 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46640 7165060 1% /mnt/lustre 1 91 1.39 MB/sec warmup 3 sec latency 129.178 ms 1 124 1.37 MB/sec warmup 4 sec latency 254.733 ms 1 155 1.31 MB/sec warmup 5 sec latency 184.364 ms 1 182 1.22 MB/sec warmup 6 sec latency 197.961 ms 1 194 1.10 MB/sec warmup 7 sec latency 652.223 ms 1 223 1.08 MB/sec warmup 8 sec latency 201.903 ms 1 256 1.07 MB/sec warmup 9 sec latency 123.244 ms 1 293 1.08 MB/sec warmup 10 sec latency 132.065 ms 1 331 1.09 MB/sec warmup 11 sec latency 234.331 ms 1 358 1.06 MB/sec warmup 12 sec latency 146.776 ms 1 405 1.10 MB/sec warmup 13 sec latency 106.889 ms test_26 fail mds1 3 times 1 445 1.12 MB/sec warmup 14 sec latency 91.457 ms 1 485 1.13 MB/sec warmup 15 sec latency 130.315 ms Failing mds1 on oleg150-server 1 514 1.11 MB/sec warmup 16 sec latency 146.735 ms Stopping /mnt/lustre-mds1 (opts:) on oleg150-server 1 612 1.23 MB/sec warmup 17 sec latency 72.674 ms 1 654 1.17 MB/sec warmup 18 sec latency 553.673 ms 1 654 1.11 MB/sec warmup 19 sec latency 1554.085 ms 1 654 0.00 MB/sec execute 1 sec latency 3554.689 ms 1 654 0.00 MB/sec execute 2 sec latency 4556.026 ms 1 654 0.00 MB/sec execute 3 sec latency 5556.281 ms 1 654 0.00 MB/sec execute 4 sec latency 6556.436 ms 1 654 0.00 MB/sec execute 5 sec latency 7557.751 ms 07:59:02 (1787831942) shut down facet: mds1 facet_host: oleg150-server facet_failover_host: oleg150-server 1 654 0.00 MB/sec execute 6 sec latency 8558.466 ms 1 654 0.00 MB/sec execute 7 sec latency 9559.090 ms 1 654 0.00 MB/sec execute 8 sec latency 10559.360 ms 1 654 0.00 MB/sec execute 9 sec latency 11559.581 ms 1 654 0.00 MB/sec execute 10 sec latency 12559.917 ms 1 654 0.00 MB/sec execute 11 sec latency 13560.258 ms 1 654 0.00 MB/sec execute 12 sec latency 14565.121 ms 1 654 0.00 MB/sec execute 13 sec latency 15565.540 ms 1 654 0.00 MB/sec execute 14 sec latency 16566.779 ms 1 654 0.00 MB/sec execute 15 sec latency 17567.110 ms 1 654 0.00 MB/sec execute 16 sec latency 18571.283 ms Failover mds1 to oleg150-server mount facets: mds1 1 654 0.00 MB/sec execute 17 sec latency 19571.501 ms 1 654 0.00 MB/sec execute 18 sec latency 20571.687 ms 1 654 0.00 MB/sec execute 19 sec latency 21571.995 ms 1 654 0.00 MB/sec execute 20 sec latency 22572.192 ms 1 654 0.00 MB/sec execute 21 sec latency 23574.360 ms 1 654 0.00 MB/sec execute 22 sec latency 24574.554 ms 1 654 0.00 MB/sec execute 23 sec latency 25574.762 ms 1 654 0.00 MB/sec execute 24 sec latency 26577.199 ms 1 654 0.00 MB/sec execute 25 sec latency 27577.430 ms 1 654 0.00 MB/sec execute 26 sec latency 28580.676 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 654 0.00 MB/sec execute 27 sec latency 29580.972 ms 1 654 0.00 MB/sec execute 28 sec latency 30581.447 ms 1 654 0.00 MB/sec execute 29 sec latency 31583.727 ms 1 654 0.00 MB/sec execute 30 sec latency 32585.000 ms 1 654 0.00 MB/sec execute 31 sec latency 33586.396 ms 1 654 0.00 MB/sec execute 32 sec latency 34587.307 ms 1 654 0.00 MB/sec execute 33 sec latency 35590.741 ms 1 654 0.00 MB/sec execute 34 sec latency 36591.064 ms 1 654 0.00 MB/sec execute 35 sec latency 37591.319 ms oleg150-server: oleg150-server.virtnet: executing set_default_debug -1 all 1 654 0.00 MB/sec execute 36 sec latency 38591.654 ms pdsh@oleg150-client: oleg150-server: ssh exited with exit code 1 1 654 0.00 MB/sec execute 37 sec latency 39603.440 ms 1 654 0.00 MB/sec execute 38 sec latency 40603.603 ms Started lustre-MDT0000 07:59:35 (1787831975) targets are mounted 07:59:35 (1787831975) facet_failover done 1 671 0.00 MB/sec execute 39 sec latency 41171.346 ms 1 710 0.00 MB/sec execute 40 sec latency 109.473 ms 1 736 0.01 MB/sec execute 41 sec latency 136.751 ms 1 774 0.01 MB/sec execute 42 sec latency 119.552 ms 1 803 0.01 MB/sec execute 43 sec latency 128.879 ms 1 856 0.01 MB/sec execute 44 sec latency 81.266 ms 1 884 0.01 MB/sec execute 45 sec latency 129.154 ms oleg150-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.01 MB/sec execute 46 sec latency 1031.551 ms 1 900 0.01 MB/sec execute 47 sec latency 1335.234 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 918 0.01 MB/sec execute 48 sec latency 152.999 ms 1 949 0.01 MB/sec execute 49 sec latency 137.990 ms 1 969 0.02 MB/sec execute 50 sec latency 152.055 ms 1 990 0.02 MB/sec execute 51 sec latency 179.250 ms 1 1041 0.04 MB/sec execute 52 sec latency 168.971 ms 1 1082 0.04 MB/sec execute 53 sec latency 91.938 ms 1 1134 0.04 MB/sec execute 54 sec latency 71.350 ms 1 1181 0.04 MB/sec execute 55 sec latency 81.167 ms 1 1236 0.04 MB/sec execute 56 sec latency 70.543 ms 1 1273 0.04 MB/sec execute 57 sec latency 104.911 ms 1 1391 0.09 MB/sec execute 58 sec latency 104.383 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1446 0.08 MB/sec execute 59 sec latency 97.332 ms 1 1481 0.08 MB/sec execute 60 sec latency 346.948 ms 1 1516 0.08 MB/sec execute 61 sec latency 120.296 ms 1 1561 0.08 MB/sec execute 62 sec latency 108.167 ms 1 1591 0.08 MB/sec execute 63 sec latency 87.072 ms 1 1639 0.08 MB/sec execute 64 sec latency 122.604 ms 1 1662 0.08 MB/sec execute 65 sec latency 153.744 ms 1 1696 0.08 MB/sec execute 66 sec latency 113.308 ms 1 1738 0.08 MB/sec execute 67 sec latency 176.884 ms 1 1781 0.08 MB/sec execute 68 sec latency 136.580 ms 1 1834 0.08 MB/sec execute 69 sec latency 93.786 ms 1 1868 0.08 MB/sec execute 70 sec latency 118.562 ms 1 1908 0.08 MB/sec execute 71 sec latency 183.770 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 08:00:08 EDT 2026 with return code 0 67887 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67887 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished