== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:40:56 (1788795656) Starting client oleg452-client.virtnet: -o user_xattr,flock 192.168.204.152@tcp:/lustre /mnt/lustre Started clients oleg452-client.virtnet: 192.168.204.152@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 65630 Started dbench loop with 65631 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 17948 3589016 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7194492 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 Mon Sep 7 11:41:03 EDT 2026 waiting for dbench pid 65710 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 6 0.00 MB/sec warmup 1 sec latency 19.936 ms 1 36 0.59 MB/sec warmup 2 sec latency 173.836 ms 1 91 1.39 MB/sec warmup 3 sec latency 128.608 ms 1 121 1.37 MB/sec warmup 4 sec latency 230.296 ms 1 143 1.21 MB/sec warmup 5 sec latency 230.626 ms 1 165 1.13 MB/sec warmup 6 sec latency 298.763 ms 1 189 1.08 MB/sec warmup 7 sec latency 408.040 ms 1 216 1.04 MB/sec warmup 8 sec latency 145.427 ms 1 258 1.07 MB/sec warmup 9 sec latency 149.755 ms 1 297 1.09 MB/sec warmup 10 sec latency 130.121 ms test_26 fail mds1 1 times 1 331 1.09 MB/sec warmup 11 sec latency 166.612 ms 1 358 1.06 MB/sec warmup 12 sec latency 175.858 ms Failing mds1 on oleg452-server 1 401 1.09 MB/sec warmup 13 sec latency 134.473 ms Stopping /mnt/lustre-mds1 (opts:) on oleg452-server 1 437 1.10 MB/sec warmup 14 sec latency 132.260 ms 1 478 1.11 MB/sec warmup 15 sec latency 147.015 ms 1 501 1.09 MB/sec warmup 16 sec latency 456.078 ms 11:41:20 (1788795680) shut down facet: mds1 facet_host: oleg452-server facet_failover_host: oleg452-server 1 501 1.03 MB/sec warmup 17 sec latency 1456.416 ms 1 501 0.97 MB/sec warmup 18 sec latency 2457.469 ms 1 501 0.92 MB/sec warmup 19 sec latency 3459.942 ms 1 501 0.00 MB/sec execute 1 sec latency 5463.078 ms 1 501 0.00 MB/sec execute 2 sec latency 6463.619 ms 1 501 0.00 MB/sec execute 3 sec latency 7463.980 ms 1 501 0.00 MB/sec execute 4 sec latency 8465.130 ms 1 501 0.00 MB/sec execute 5 sec latency 9466.414 ms 1 501 0.00 MB/sec execute 6 sec latency 10466.929 ms Failover mds1 to oleg452-server mount facets: mds1 1 501 0.00 MB/sec execute 7 sec latency 11467.086 ms 1 501 0.00 MB/sec execute 8 sec latency 12467.367 ms 1 501 0.00 MB/sec execute 9 sec latency 13467.692 ms 1 501 0.00 MB/sec execute 10 sec latency 14467.886 ms 1 501 0.00 MB/sec execute 11 sec latency 15468.150 ms 1 501 0.00 MB/sec execute 12 sec latency 16468.528 ms 1 501 0.00 MB/sec execute 13 sec latency 17469.507 ms 1 501 0.00 MB/sec execute 14 sec latency 18469.745 ms 1 501 0.00 MB/sec execute 15 sec latency 19470.024 ms 1 501 0.00 MB/sec execute 16 sec latency 20473.496 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 21473.662 ms 1 501 0.00 MB/sec execute 18 sec latency 22473.944 ms 1 501 0.00 MB/sec execute 19 sec latency 23474.287 ms 1 501 0.00 MB/sec execute 20 sec latency 24476.844 ms 1 501 0.00 MB/sec execute 21 sec latency 25477.461 ms 1 501 0.00 MB/sec execute 22 sec latency 26477.705 ms 1 501 0.00 MB/sec execute 23 sec latency 27479.784 ms 1 501 0.00 MB/sec execute 24 sec latency 28480.643 ms 1 501 0.00 MB/sec execute 25 sec latency 29483.555 ms oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 26 sec latency 30484.816 ms 1 501 0.00 MB/sec execute 27 sec latency 31496.132 ms pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 28 sec latency 32496.919 ms Started lustre-MDT0000 11:41:52 (1788795712) targets are mounted 11:41:52 (1788795712) facet_failover done 1 501 0.00 MB/sec execute 29 sec latency 33497.155 ms 1 508 0.00 MB/sec execute 30 sec latency 34275.611 ms 1 542 0.05 MB/sec execute 31 sec latency 197.472 ms 1 595 0.10 MB/sec execute 32 sec latency 523.886 ms 1 649 0.11 MB/sec execute 33 sec latency 128.002 ms 1 678 0.11 MB/sec execute 34 sec latency 154.167 ms 1 711 0.11 MB/sec execute 35 sec latency 138.929 ms 1 740 0.11 MB/sec execute 36 sec latency 146.044 ms oleg452-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.11 MB/sec execute 37 sec latency 115.846 ms 1 803 0.11 MB/sec execute 38 sec latency 136.279 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 848 0.11 MB/sec execute 39 sec latency 130.594 ms 1 874 0.10 MB/sec execute 40 sec latency 143.933 ms 1 902 0.10 MB/sec execute 41 sec latency 147.819 ms 1 923 0.10 MB/sec execute 42 sec latency 112.855 ms 1 967 0.10 MB/sec execute 43 sec latency 132.442 ms 1 992 0.10 MB/sec execute 44 sec latency 121.875 ms 1 1059 0.12 MB/sec execute 45 sec latency 93.058 ms 1 1102 0.12 MB/sec execute 46 sec latency 118.559 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2072 1269232 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35420 3570012 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20136 3584492 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55556 7154504 1% /mnt/lustre 1 1145 0.12 MB/sec execute 47 sec latency 103.705 ms 1 1172 0.12 MB/sec execute 48 sec latency 299.579 ms 1 1173 0.11 MB/sec execute 49 sec latency 1209.389 ms 1 1207 0.11 MB/sec execute 50 sec latency 132.374 ms 1 1244 0.11 MB/sec execute 51 sec latency 89.448 ms 1 1376 0.16 MB/sec execute 52 sec latency 143.979 ms 1 1410 0.16 MB/sec execute 53 sec latency 134.341 ms 1 1459 0.16 MB/sec execute 54 sec latency 128.128 ms 1 1499 0.16 MB/sec execute 55 sec latency 123.912 ms test_26 fail mds2 2 times 1 1554 0.15 MB/sec execute 56 sec latency 83.896 ms 1 1605 0.15 MB/sec execute 57 sec latency 101.115 ms Failing mds2 on oleg452-server 1 1653 0.15 MB/sec execute 58 sec latency 131.276 ms Stopping /mnt/lustre-mds2 (opts:) on oleg452-server 1 1691 0.15 MB/sec execute 59 sec latency 178.603 ms 1 1725 0.15 MB/sec execute 60 sec latency 461.024 ms 1 1725 0.14 MB/sec execute 61 sec latency 1461.540 ms 1 1725 0.14 MB/sec execute 62 sec latency 2461.775 ms 1 1725 0.14 MB/sec execute 63 sec latency 3462.376 ms 1 1725 0.14 MB/sec execute 64 sec latency 4462.566 ms 1 1725 0.14 MB/sec execute 65 sec latency 5463.903 ms 1 1725 0.13 MB/sec execute 66 sec latency 6465.760 ms 1 1725 0.13 MB/sec execute 67 sec latency 7465.993 ms 11:42:31 (1788795751) shut down facet: mds2 facet_host: oleg452-server facet_failover_host: oleg452-server 1 1725 0.13 MB/sec execute 68 sec latency 8466.270 ms 1 1725 0.13 MB/sec execute 69 sec latency 9466.519 ms 1 1725 0.13 MB/sec execute 70 sec latency 10472.961 ms 1 1725 0.12 MB/sec execute 71 sec latency 11473.939 ms 1 1725 0.12 MB/sec execute 72 sec latency 12478.165 ms 1 1725 0.12 MB/sec execute 73 sec latency 13479.041 ms 1 1725 0.12 MB/sec execute 74 sec latency 14479.316 ms 1 1725 0.12 MB/sec execute 75 sec latency 15479.675 ms 1 1725 0.12 MB/sec execute 76 sec latency 16481.279 ms 1 1725 0.11 MB/sec execute 77 sec latency 17483.020 ms Failover mds2 to oleg452-server mount facets: mds2 1 1725 0.11 MB/sec execute 78 sec latency 18483.741 ms 1 1725 0.11 MB/sec execute 79 sec latency 19484.032 ms 1 1725 0.11 MB/sec execute 80 sec latency 20484.677 ms 1 1725 0.11 MB/sec execute 81 sec latency 21485.028 ms 1 1725 0.11 MB/sec execute 82 sec latency 22485.497 ms 1 1725 0.11 MB/sec execute 83 sec latency 23488.725 ms 1 1725 0.10 MB/sec execute 84 sec latency 24490.688 ms 1 1725 0.10 MB/sec execute 85 sec latency 25490.872 ms 1 1725 0.10 MB/sec execute 86 sec latency 26492.524 ms 1 1725 0.10 MB/sec execute 87 sec latency 27494.237 ms 1 1725 0.10 MB/sec execute 88 sec latency 28494.416 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1725 0.10 MB/sec execute 89 sec latency 29494.728 ms 1 1725 0.10 MB/sec execute 90 sec latency 30495.020 ms 1 1725 0.10 MB/sec execute 91 sec latency 31498.459 ms 1 1725 0.10 MB/sec execute 92 sec latency 32498.767 ms 1 1725 0.09 MB/sec execute 93 sec latency 33499.237 ms 1 1725 0.09 MB/sec execute 94 sec latency 34499.454 ms 1 1725 0.09 MB/sec execute 95 sec latency 35499.652 ms 1 1725 0.09 MB/sec execute 96 sec latency 36504.097 ms 1 1725 0.09 MB/sec execute 97 sec latency 37507.759 ms 1 1725 0.09 MB/sec execute 98 sec latency 38509.687 ms oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all 1 1725 0.09 MB/sec execute 99 sec latency 39512.095 ms 1 cleanup 100 sec pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 cleanup 101 sec 1 cleanup 102 sec Started lustre-MDT0001 11:43:06 (1788795786) targets are mounted 11:43:06 (1788795786) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 107 sec 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 207 425.853 40713.180 Close 168 12.712 47.287 Rename 11 113.824 178.578 Unlink 22 30.647 61.463 Qpathinfo 159 20.606 118.544 Qfileinfo 49 2.298 23.205 Qfsinfo 33 4.017 33.756 Sfileinfo 34 63.338 107.473 Find 63 14.932 102.579 WriteX 185 13.827 71.418 ReadX 267 0.139 5.624 Flush 27 62.515 134.442 Throughput 0.08875 MB/sec 1 clients 1 procs max_latency=39512.095 ms stopping dbench on /mnt/lustre at Mon Sep 7 11:43:11 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench oleg452-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 Mon Sep 7 11:43:21 EDT 2026 waiting for dbench pid 67762 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 31 1.05 MB/sec warmup 1 sec latency 22.906 ms 1 91 2.10 MB/sec warmup 2 sec latency 115.641 ms 1 129 1.92 MB/sec warmup 3 sec latency 202.435 ms 1 155 1.64 MB/sec warmup 4 sec latency 164.966 ms 1 184 1.48 MB/sec warmup 5 sec latency 294.036 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2288 1269016 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10656 3596128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 36576 3568308 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47232 7164436 1% /mnt/lustre 1 202 1.31 MB/sec warmup 6 sec latency 534.393 ms 1 234 1.27 MB/sec warmup 7 sec latency 162.546 ms 1 263 1.24 MB/sec warmup 8 sec latency 154.548 ms 1 289 1.19 MB/sec warmup 9 sec latency 186.953 ms 1 315 1.15 MB/sec warmup 10 sec latency 187.703 ms 1 339 1.11 MB/sec warmup 11 sec latency 199.143 ms 1 348 1.04 MB/sec warmup 12 sec latency 648.364 ms 1 348 0.96 MB/sec warmup 13 sec latency 1648.643 ms 1 365 0.93 MB/sec warmup 14 sec latency 2109.046 ms 1 396 0.94 MB/sec warmup 15 sec latency 151.748 ms 1 429 0.94 MB/sec warmup 16 sec latency 161.591 ms test_26 fail mds1 3 times 1 470 0.96 MB/sec warmup 17 sec latency 113.600 ms 1 501 0.97 MB/sec warmup 18 sec latency 169.559 ms 1 527 0.96 MB/sec warmup 19 sec latency 189.732 ms Failing mds1 on oleg452-server Stopping /mnt/lustre-mds1 (opts:) on oleg452-server 1 669 0.19 MB/sec execute 1 sec latency 130.867 ms 1 674 0.10 MB/sec execute 2 sec latency 720.970 ms 1 674 0.07 MB/sec execute 3 sec latency 1721.671 ms 1 674 0.05 MB/sec execute 4 sec latency 2721.860 ms 1 674 0.04 MB/sec execute 5 sec latency 3722.118 ms 1 674 0.03 MB/sec execute 6 sec latency 4722.793 ms 11:43:47 (1788795827) shut down facet: mds1 facet_host: oleg452-server facet_failover_host: oleg452-server 1 674 0.03 MB/sec execute 7 sec latency 5723.581 ms 1 674 0.02 MB/sec execute 8 sec latency 6723.836 ms 1 674 0.02 MB/sec execute 9 sec latency 7724.058 ms 1 674 0.02 MB/sec execute 10 sec latency 8724.959 ms 1 674 0.02 MB/sec execute 11 sec latency 9726.516 ms 1 674 0.02 MB/sec execute 12 sec latency 10728.282 ms 1 674 0.02 MB/sec execute 13 sec latency 11730.076 ms 1 674 0.01 MB/sec execute 14 sec latency 12730.377 ms 1 674 0.01 MB/sec execute 15 sec latency 13731.056 ms 1 674 0.01 MB/sec execute 16 sec latency 14731.246 ms Failover mds1 to oleg452-server mount facets: mds1 1 674 0.01 MB/sec execute 17 sec latency 15731.613 ms 1 674 0.01 MB/sec execute 18 sec latency 16731.840 ms 1 674 0.01 MB/sec execute 19 sec latency 17732.241 ms 1 674 0.01 MB/sec execute 20 sec latency 18733.802 ms 1 674 0.01 MB/sec execute 21 sec latency 19735.079 ms 1 674 0.01 MB/sec execute 22 sec latency 20735.316 ms 1 674 0.01 MB/sec execute 23 sec latency 21738.350 ms 1 674 0.01 MB/sec execute 24 sec latency 22738.564 ms 1 674 0.01 MB/sec execute 25 sec latency 23738.775 ms 1 674 0.01 MB/sec execute 26 sec latency 24742.079 ms 1 674 0.01 MB/sec execute 27 sec latency 25742.438 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.01 MB/sec execute 28 sec latency 26742.779 ms 1 674 0.01 MB/sec execute 29 sec latency 27743.019 ms 1 674 0.01 MB/sec execute 30 sec latency 28744.128 ms 1 674 0.01 MB/sec execute 31 sec latency 29748.020 ms 1 674 0.01 MB/sec execute 32 sec latency 30748.277 ms 1 674 0.01 MB/sec execute 33 sec latency 31751.829 ms 1 674 0.01 MB/sec execute 34 sec latency 32752.089 ms 1 674 0.01 MB/sec execute 35 sec latency 33756.550 ms 1 674 0.01 MB/sec execute 36 sec latency 34758.875 ms oleg452-server: oleg452-server.virtnet: executing set_default_debug -1 all 1 674 0.01 MB/sec execute 37 sec latency 35759.074 ms pdsh@oleg452-client: oleg452-server: ssh exited with exit code 1 1 674 0.01 MB/sec execute 38 sec latency 36760.658 ms Started lustre-MDT0000 11:44:20 (1788795860) targets are mounted 11:44:20 (1788795860) facet_failover done 1 674 0.01 MB/sec execute 39 sec latency 37760.975 ms 1 699 0.01 MB/sec execute 40 sec latency 37893.729 ms 1 720 0.01 MB/sec execute 41 sec latency 271.315 ms 1 733 0.01 MB/sec execute 42 sec latency 710.284 ms 1 765 0.01 MB/sec execute 43 sec latency 161.842 ms 1 788 0.01 MB/sec execute 44 sec latency 199.736 ms 1 806 0.01 MB/sec execute 45 sec latency 155.860 ms 1 848 0.01 MB/sec execute 46 sec latency 181.990 ms 1 870 0.01 MB/sec execute 47 sec latency 158.059 ms oleg452-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 882 0.01 MB/sec execute 48 sec latency 247.364 ms 1 902 0.01 MB/sec execute 49 sec latency 208.116 ms 1 919 0.02 MB/sec execute 50 sec latency 157.576 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 936 0.02 MB/sec execute 51 sec latency 274.721 ms 1 957 0.02 MB/sec execute 52 sec latency 259.376 ms 1 972 0.02 MB/sec execute 53 sec latency 280.027 ms 1 988 0.02 MB/sec execute 54 sec latency 188.879 ms 1 1037 0.03 MB/sec execute 55 sec latency 166.249 ms 1 1076 0.03 MB/sec execute 56 sec latency 118.905 ms 1 1103 0.03 MB/sec execute 57 sec latency 113.968 ms 1 1131 0.03 MB/sec execute 58 sec latency 199.980 ms 1 1157 0.03 MB/sec execute 59 sec latency 139.064 ms 1 1192 0.03 MB/sec execute 60 sec latency 95.064 ms 1 1224 0.03 MB/sec execute 61 sec latency 123.946 ms 1 1273 0.03 MB/sec execute 62 sec latency 79.226 ms 1 1378 0.08 MB/sec execute 63 sec latency 664.900 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1406 0.08 MB/sec execute 64 sec latency 136.913 ms 1 1459 0.08 MB/sec execute 65 sec latency 95.769 ms 1 1492 0.08 MB/sec execute 66 sec latency 179.591 ms 1 1518 0.08 MB/sec execute 67 sec latency 159.848 ms 1 1558 0.08 MB/sec execute 68 sec latency 127.866 ms 1 1578 0.07 MB/sec execute 69 sec latency 122.260 ms 1 1607 0.07 MB/sec execute 70 sec latency 136.355 ms 1 1634 0.07 MB/sec execute 71 sec latency 268.081 ms 1 1662 0.07 MB/sec execute 72 sec latency 142.838 ms 1 1691 0.07 MB/sec execute 73 sec latency 169.693 ms 1 1723 0.07 MB/sec execute 74 sec latency 131.393 ms 1 1785 0.07 MB/sec execute 75 sec latency 79.361 ms 1 1825 0.07 MB/sec execute 76 sec latency 103.137 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1873 0.07 MB/sec execute 77 sec latency 87.862 ms stopping dbench on /mnt/lustre at Mon Sep 7 11:44:58 EDT 2026 with return code 0 67762 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67762 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished