== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:49:17 (1787845757) Starting client oleg460-client.virtnet: -o user_xattr,flock 192.168.204.160@tcp:/lustre /mnt/lustre Started clients oleg460-client.virtnet: 192.168.204.160@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 65712 Started dbench loop with 65713 striped dir -i0 -c2 -H crush2 /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 1940 1269364 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 17928 3584916 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190372 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 11:49:23 EDT 2026 waiting for dbench pid 65791 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 46.163 ms 1 51 1.05 MB/sec warmup 2 sec latency 112.608 ms 1 106 1.66 MB/sec warmup 3 sec latency 184.953 ms 1 133 1.45 MB/sec warmup 4 sec latency 220.631 ms 1 157 1.31 MB/sec warmup 5 sec latency 235.338 ms 1 184 1.23 MB/sec warmup 6 sec latency 170.488 ms 1 199 1.12 MB/sec warmup 7 sec latency 544.875 ms 1 240 1.14 MB/sec warmup 8 sec latency 158.318 ms test_26 fail mds1 1 times 1 279 1.16 MB/sec warmup 9 sec latency 153.956 ms 1 305 1.12 MB/sec warmup 10 sec latency 164.618 ms 1 331 1.09 MB/sec warmup 11 sec latency 148.771 ms Failing mds1 on oleg460-server 1 357 1.06 MB/sec warmup 12 sec latency 222.968 ms Stopping /mnt/lustre-mds1 (opts:) on oleg460-server 1 381 1.04 MB/sec warmup 13 sec latency 216.844 ms 1 410 1.03 MB/sec warmup 14 sec latency 160.898 ms 1 421 0.99 MB/sec warmup 15 sec latency 748.803 ms 1 421 0.93 MB/sec warmup 16 sec latency 1749.100 ms 1 421 0.87 MB/sec warmup 17 sec latency 2749.862 ms 11:49:41 (1787845781) shut down facet: mds1 facet_host: oleg460-server facet_failover_host: oleg460-server 1 421 0.82 MB/sec warmup 18 sec latency 3750.275 ms 1 421 0.78 MB/sec warmup 19 sec latency 4750.479 ms 1 421 0.00 MB/sec execute 1 sec latency 6750.861 ms 1 421 0.00 MB/sec execute 2 sec latency 7751.253 ms 1 421 0.00 MB/sec execute 3 sec latency 8751.510 ms 1 421 0.00 MB/sec execute 4 sec latency 9751.778 ms 1 421 0.00 MB/sec execute 5 sec latency 10753.836 ms 1 421 0.00 MB/sec execute 6 sec latency 11754.065 ms 1 421 0.00 MB/sec execute 7 sec latency 12754.237 ms Failover mds1 to oleg460-server 1 421 0.00 MB/sec execute 8 sec latency 13755.852 ms mount facets: mds1 1 421 0.00 MB/sec execute 9 sec latency 14758.955 ms 1 421 0.00 MB/sec execute 10 sec latency 15761.624 ms 1 421 0.00 MB/sec execute 11 sec latency 16761.868 ms 1 421 0.00 MB/sec execute 12 sec latency 17764.431 ms 1 421 0.00 MB/sec execute 13 sec latency 18765.247 ms 1 421 0.00 MB/sec execute 14 sec latency 19765.522 ms 1 421 0.00 MB/sec execute 15 sec latency 20765.773 ms 1 421 0.00 MB/sec execute 16 sec latency 21765.996 ms 1 421 0.00 MB/sec execute 17 sec latency 22766.284 ms 1 421 0.00 MB/sec execute 18 sec latency 23766.528 ms 1 421 0.00 MB/sec execute 19 sec latency 24769.786 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 421 0.00 MB/sec execute 20 sec latency 25770.596 ms 1 421 0.00 MB/sec execute 21 sec latency 26770.880 ms 1 421 0.00 MB/sec execute 22 sec latency 27771.322 ms 1 421 0.00 MB/sec execute 23 sec latency 28773.838 ms 1 421 0.00 MB/sec execute 24 sec latency 29774.996 ms 1 421 0.00 MB/sec execute 25 sec latency 30776.799 ms 1 421 0.00 MB/sec execute 26 sec latency 31777.924 ms 1 421 0.00 MB/sec execute 27 sec latency 32780.601 ms 1 421 0.00 MB/sec execute 28 sec latency 33784.249 ms 1 421 0.00 MB/sec execute 29 sec latency 34785.372 ms 1 421 0.00 MB/sec execute 30 sec latency 35785.736 ms oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 421 0.00 MB/sec execute 31 sec latency 36786.062 ms 1 421 0.00 MB/sec execute 32 sec latency 37786.622 ms pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 421 0.00 MB/sec execute 33 sec latency 38788.966 ms Started lustre-MDT0000 11:50:16 (1787845816) targets are mounted 11:50:16 (1787845816) facet_failover done 1 421 0.00 MB/sec execute 34 sec latency 39790.744 ms 1 458 0.03 MB/sec execute 35 sec latency 39807.686 ms 1 496 0.06 MB/sec execute 36 sec latency 114.679 ms 1 533 0.10 MB/sec execute 37 sec latency 139.709 ms 1 552 0.11 MB/sec execute 38 sec latency 607.816 ms 1 614 0.16 MB/sec execute 39 sec latency 764.310 ms 1 654 0.15 MB/sec execute 40 sec latency 158.622 ms oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 689 0.15 MB/sec execute 41 sec latency 107.995 ms 1 711 0.15 MB/sec execute 42 sec latency 178.287 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 738 0.15 MB/sec execute 43 sec latency 96.482 ms 1 770 0.15 MB/sec execute 44 sec latency 119.578 ms 1 799 0.15 MB/sec execute 45 sec latency 190.651 ms 1 849 0.15 MB/sec execute 46 sec latency 103.427 ms 1 878 0.14 MB/sec execute 47 sec latency 134.294 ms 1 910 0.14 MB/sec execute 48 sec latency 130.736 ms 1 949 0.14 MB/sec execute 49 sec latency 102.616 ms 1 980 0.14 MB/sec execute 50 sec latency 173.480 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2080 1269224 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 14756 3584192 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34180 3569648 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 48936 7153840 1% /mnt/lustre 1 1028 0.16 MB/sec execute 51 sec latency 106.399 ms 1 1067 0.15 MB/sec execute 52 sec latency 120.654 ms 1 1105 0.15 MB/sec execute 53 sec latency 99.333 ms 1 1142 0.15 MB/sec execute 54 sec latency 136.715 ms 1 1172 0.15 MB/sec execute 55 sec latency 197.648 ms 1 1172 0.15 MB/sec execute 56 sec latency 1093.993 ms 1 1199 0.14 MB/sec execute 57 sec latency 1175.458 ms 1 1232 0.14 MB/sec execute 58 sec latency 99.970 ms 1 1270 0.14 MB/sec execute 59 sec latency 116.077 ms 1 1406 0.19 MB/sec execute 60 sec latency 72.247 ms test_26 fail mds2 2 times 1 1450 0.18 MB/sec execute 61 sec latency 91.145 ms 1 1488 0.18 MB/sec execute 62 sec latency 123.169 ms Failing mds2 on oleg460-server 1 1513 0.18 MB/sec execute 63 sec latency 120.055 ms 1 1562 0.18 MB/sec execute 64 sec latency 74.677 ms Stopping /mnt/lustre-mds2 (opts:) on oleg460-server 1 1597 0.17 MB/sec execute 65 sec latency 91.983 ms 1 1643 0.17 MB/sec execute 66 sec latency 128.829 ms 1 1689 0.17 MB/sec execute 67 sec latency 84.468 ms 1 1771 0.17 MB/sec execute 68 sec latency 63.634 ms 1 1834 0.17 MB/sec execute 69 sec latency 99.178 ms 1 1904 0.16 MB/sec execute 70 sec latency 152.949 ms 1 1973 0.16 MB/sec execute 71 sec latency 85.125 ms 1 2010 0.16 MB/sec execute 72 sec latency 147.176 ms 1 2063 0.16 MB/sec execute 73 sec latency 124.265 ms 1 2122 0.16 MB/sec execute 74 sec latency 110.702 ms 11:50:57 (1787845857) shut down facet: mds2 facet_host: oleg460-server facet_failover_host: oleg460-server 1 2158 0.16 MB/sec execute 75 sec latency 225.823 ms 1 2206 0.16 MB/sec execute 76 sec latency 225.915 ms 1 2259 0.15 MB/sec execute 77 sec latency 501.509 ms 1 2259 0.15 MB/sec execute 78 sec latency 1502.529 ms 1 2259 0.15 MB/sec execute 79 sec latency 2505.022 ms 1 2259 0.15 MB/sec execute 80 sec latency 3505.300 ms 1 2259 0.15 MB/sec execute 81 sec latency 4506.044 ms 1 2259 0.15 MB/sec execute 82 sec latency 5509.197 ms 1 2259 0.14 MB/sec execute 83 sec latency 6509.605 ms 1 2259 0.14 MB/sec execute 84 sec latency 7509.871 ms Failover mds2 to oleg460-server mount facets: mds2 1 2259 0.14 MB/sec execute 85 sec latency 8510.784 ms 1 2259 0.14 MB/sec execute 86 sec latency 9511.752 ms 1 2259 0.14 MB/sec execute 87 sec latency 10516.759 ms 1 2259 0.14 MB/sec execute 88 sec latency 11517.037 ms 1 2259 0.13 MB/sec execute 89 sec latency 12518.097 ms 1 2259 0.13 MB/sec execute 90 sec latency 13518.530 ms 1 2259 0.13 MB/sec execute 91 sec latency 14518.770 ms 1 2259 0.13 MB/sec execute 92 sec latency 15519.279 ms 1 2259 0.13 MB/sec execute 93 sec latency 16521.882 ms 1 2259 0.13 MB/sec execute 94 sec latency 17523.165 ms 1 2259 0.13 MB/sec execute 95 sec latency 18523.416 ms 1 2259 0.12 MB/sec execute 96 sec latency 19523.767 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 97 sec latency 20524.200 ms 1 2259 0.12 MB/sec execute 98 sec latency 21526.670 ms 1 2259 0.12 MB/sec execute 99 sec latency 22526.916 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec 1 cleanup 104 sec pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 cleanup 105 sec Started lustre-MDT0001 11:51:29 (1787845889) targets are mounted 11:51:29 (1787845889) facet_failover done 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 330 265.594 39807.658 Close 286 12.447 41.212 Rename 11 110.788 197.614 Unlink 30 28.859 55.554 Qpathinfo 295 16.589 120.632 Qfileinfo 79 2.291 10.647 Qfsinfo 33 3.853 25.630 Sfileinfo 34 64.296 98.535 Find 92 14.672 83.292 WriteX 271 13.661 73.192 ReadX 348 3.457 121.627 Flush 30 56.316 134.273 Throughput 0.120217 MB/sec 1 clients 1 procs max_latency=39807.686 ms stopping dbench on /mnt/lustre at Thu Aug 27 11:51:31 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 11:51:41 EDT 2026 waiting for dbench pid 67870 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 25 0.72 MB/sec warmup 1 sec latency 24.060 ms 1 72 1.57 MB/sec warmup 2 sec latency 124.785 ms 1 113 1.74 MB/sec warmup 3 sec latency 221.514 ms 1 147 1.57 MB/sec warmup 4 sec latency 123.751 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2284 1269020 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20096 3586612 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27120 3578428 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47216 7165040 1% /mnt/lustre 1 179 1.45 MB/sec warmup 5 sec latency 153.287 ms 1 200 1.31 MB/sec warmup 6 sec latency 367.805 ms 1 239 1.30 MB/sec warmup 7 sec latency 146.045 ms 1 282 1.30 MB/sec warmup 8 sec latency 153.290 ms 1 312 1.27 MB/sec warmup 9 sec latency 173.671 ms 1 312 1.15 MB/sec warmup 10 sec latency 1173.889 ms 1 316 1.04 MB/sec warmup 11 sec latency 1692.851 ms 1 342 1.02 MB/sec warmup 12 sec latency 286.296 ms 1 380 1.04 MB/sec warmup 13 sec latency 124.777 ms test_26 fail mds1 3 times 1 420 1.06 MB/sec warmup 14 sec latency 157.078 ms 1 453 1.06 MB/sec warmup 15 sec latency 146.530 ms 1 484 1.06 MB/sec warmup 16 sec latency 175.810 ms Failing mds1 on oleg460-server 1 513 1.04 MB/sec warmup 17 sec latency 182.151 ms Stopping /mnt/lustre-mds1 (opts:) on oleg460-server 1 575 1.07 MB/sec warmup 18 sec latency 115.275 ms 1 609 1.10 MB/sec warmup 19 sec latency 411.072 ms 1 609 0.00 MB/sec execute 1 sec latency 2415.555 ms 11:52:02 (1787845922) shut down facet: mds1 facet_host: oleg460-server facet_failover_host: oleg460-server 1 609 0.00 MB/sec execute 2 sec latency 3415.903 ms 1 609 0.00 MB/sec execute 3 sec latency 4416.649 ms 1 609 0.00 MB/sec execute 4 sec latency 5421.794 ms 1 609 0.00 MB/sec execute 5 sec latency 6423.260 ms 1 609 0.00 MB/sec execute 6 sec latency 7423.964 ms 1 609 0.00 MB/sec execute 7 sec latency 8425.675 ms 1 609 0.00 MB/sec execute 8 sec latency 9426.035 ms 1 609 0.00 MB/sec execute 9 sec latency 10426.768 ms 1 609 0.00 MB/sec execute 10 sec latency 11428.233 ms 1 609 0.00 MB/sec execute 11 sec latency 12428.643 ms Failover mds1 to oleg460-server mount facets: mds1 1 609 0.00 MB/sec execute 12 sec latency 13428.931 ms 1 609 0.00 MB/sec execute 13 sec latency 14429.831 ms 1 609 0.00 MB/sec execute 14 sec latency 15431.491 ms 1 609 0.00 MB/sec execute 15 sec latency 16431.839 ms 1 609 0.00 MB/sec execute 16 sec latency 17432.472 ms 1 609 0.00 MB/sec execute 17 sec latency 18433.399 ms 1 609 0.00 MB/sec execute 18 sec latency 19433.713 ms 1 609 0.00 MB/sec execute 19 sec latency 20435.499 ms 1 609 0.00 MB/sec execute 20 sec latency 21436.145 ms 1 609 0.00 MB/sec execute 21 sec latency 22438.168 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 609 0.00 MB/sec execute 22 sec latency 23440.461 ms 1 609 0.00 MB/sec execute 23 sec latency 24440.800 ms 1 609 0.00 MB/sec execute 24 sec latency 25443.929 ms 1 609 0.00 MB/sec execute 25 sec latency 26444.235 ms 1 609 0.00 MB/sec execute 26 sec latency 27445.069 ms 1 609 0.00 MB/sec execute 27 sec latency 28445.389 ms 1 609 0.00 MB/sec execute 28 sec latency 29445.737 ms 1 609 0.00 MB/sec execute 29 sec latency 30459.233 ms 1 609 0.00 MB/sec execute 30 sec latency 31459.442 ms 1 609 0.00 MB/sec execute 31 sec latency 32459.830 ms 1 609 0.00 MB/sec execute 32 sec latency 33460.318 ms 1 609 0.00 MB/sec execute 33 sec latency 34461.665 ms oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 609 0.00 MB/sec execute 34 sec latency 35463.122 ms pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 609 0.00 MB/sec execute 35 sec latency 36466.676 ms Started lustre-MDT0000 11:52:37 (1787845957) targets are mounted 11:52:37 (1787845957) facet_failover done 1 639 0.00 MB/sec execute 36 sec latency 36955.959 ms 1 674 0.01 MB/sec execute 37 sec latency 108.582 ms 1 706 0.01 MB/sec execute 38 sec latency 155.044 ms 1 720 0.01 MB/sec execute 39 sec latency 220.997 ms 1 720 0.01 MB/sec execute 40 sec latency 1184.148 ms 1 740 0.01 MB/sec execute 41 sec latency 1406.162 ms 1 778 0.01 MB/sec execute 42 sec latency 139.472 ms 1 803 0.01 MB/sec execute 43 sec latency 175.750 ms 1 848 0.01 MB/sec execute 44 sec latency 132.990 ms oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 876 0.02 MB/sec execute 45 sec latency 119.873 ms 1 900 0.02 MB/sec execute 46 sec latency 159.363 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 914 0.02 MB/sec execute 47 sec latency 159.457 ms 1 949 0.02 MB/sec execute 48 sec latency 132.916 ms 1 971 0.02 MB/sec execute 49 sec latency 156.755 ms 1 998 0.02 MB/sec execute 50 sec latency 114.787 ms 1 1028 0.04 MB/sec execute 51 sec latency 183.899 ms 1 1076 0.04 MB/sec execute 52 sec latency 121.935 ms 1 1127 0.04 MB/sec execute 53 sec latency 118.978 ms 1 1157 0.04 MB/sec execute 54 sec latency 119.130 ms 1 1207 0.04 MB/sec execute 55 sec latency 79.662 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1242 0.04 MB/sec execute 56 sec latency 98.098 ms 1 1296 0.04 MB/sec execute 57 sec latency 90.172 ms 1 1396 0.09 MB/sec execute 58 sec latency 486.103 ms 1 1426 0.09 MB/sec execute 59 sec latency 138.159 ms 1 1474 0.08 MB/sec execute 60 sec latency 127.201 ms 1 1516 0.08 MB/sec execute 61 sec latency 103.565 ms 1 1591 0.08 MB/sec execute 62 sec latency 51.261 ms 1 1634 0.08 MB/sec execute 63 sec latency 191.683 ms 1 1680 0.08 MB/sec execute 64 sec latency 93.543 ms 1 1709 0.08 MB/sec execute 65 sec latency 195.873 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 11:53:07 EDT 2026 with return code 0 1 1775 0.08 MB/sec execute 66 sec latency 80.092 ms 67870 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67870 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished