== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:30:38 (1788741038) Starting client oleg440-client.virtnet: -o user_xattr,flock 192.168.204.140@tcp:/lustre /mnt/lustre Started clients oleg440-client.virtnet: 192.168.204.140@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 65545 Started dbench loop with 65546 striped dir -i0 -c2 -H fnv_1a_64 /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3597168 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202644 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 Sun Sep 6 20:30:48 EDT 2026 waiting for dbench pid 65634 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 27.643 ms 1 36 0.59 MB/sec warmup 2 sec latency 118.773 ms 1 92 1.39 MB/sec warmup 3 sec latency 143.042 ms 1 117 1.32 MB/sec warmup 4 sec latency 308.531 ms 1 139 1.20 MB/sec warmup 5 sec latency 209.287 ms 1 165 1.13 MB/sec warmup 6 sec latency 215.947 ms 1 184 1.05 MB/sec warmup 7 sec latency 230.319 ms 1 199 0.98 MB/sec warmup 8 sec latency 642.875 ms 1 223 0.96 MB/sec warmup 9 sec latency 225.905 ms test_26 fail mds1 1 times 1 253 0.96 MB/sec warmup 10 sec latency 193.985 ms 1 276 0.94 MB/sec warmup 11 sec latency 175.130 ms 1 290 0.89 MB/sec warmup 12 sec latency 260.022 ms Failing mds1 on oleg440-server 1 312 0.88 MB/sec warmup 13 sec latency 288.754 ms 1 338 0.87 MB/sec warmup 14 sec latency 207.066 ms Stopping /mnt/lustre-mds1 (opts:) on oleg440-server 1 360 0.85 MB/sec warmup 15 sec latency 164.550 ms 1 385 0.85 MB/sec warmup 16 sec latency 143.975 ms 1 428 0.89 MB/sec warmup 17 sec latency 191.792 ms 1 469 0.91 MB/sec warmup 18 sec latency 159.053 ms 20:31:08 (1788741068) shut down 1 501 0.92 MB/sec warmup 19 sec latency 176.377 ms facet: mds1 facet_host: oleg440-server facet_failover_host: oleg440-server 1 501 0.00 MB/sec execute 1 sec latency 2122.986 ms 1 501 0.00 MB/sec execute 2 sec latency 3124.137 ms 1 501 0.00 MB/sec execute 3 sec latency 4124.380 ms 1 501 0.00 MB/sec execute 4 sec latency 5124.945 ms 1 501 0.00 MB/sec execute 5 sec latency 6125.119 ms 1 501 0.00 MB/sec execute 6 sec latency 7126.226 ms 1 501 0.00 MB/sec execute 7 sec latency 8126.491 ms 1 501 0.00 MB/sec execute 8 sec latency 9127.475 ms 1 501 0.00 MB/sec execute 9 sec latency 10127.737 ms Failover mds1 to oleg440-server mount facets: mds1 1 501 0.00 MB/sec execute 10 sec latency 11129.178 ms 1 501 0.00 MB/sec execute 11 sec latency 12129.552 ms 1 501 0.00 MB/sec execute 12 sec latency 13129.779 ms 1 501 0.00 MB/sec execute 13 sec latency 14130.045 ms 1 501 0.00 MB/sec execute 14 sec latency 15132.927 ms 1 501 0.00 MB/sec execute 15 sec latency 16133.572 ms 1 501 0.00 MB/sec execute 16 sec latency 17133.768 ms 1 501 0.00 MB/sec execute 17 sec latency 18134.731 ms 1 501 0.00 MB/sec execute 18 sec latency 19135.024 ms 1 501 0.00 MB/sec execute 19 sec latency 20139.490 ms 1 501 0.00 MB/sec execute 20 sec latency 21140.948 ms 1 501 0.00 MB/sec execute 21 sec latency 22141.202 ms 1 501 0.00 MB/sec execute 22 sec latency 23143.374 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 23 sec latency 24158.281 ms 1 501 0.00 MB/sec execute 24 sec latency 25158.555 ms 1 501 0.00 MB/sec execute 25 sec latency 26159.078 ms 1 501 0.00 MB/sec execute 26 sec latency 27159.452 ms 1 501 0.00 MB/sec execute 27 sec latency 28162.309 ms 1 501 0.00 MB/sec execute 28 sec latency 29162.561 ms 1 501 0.00 MB/sec execute 29 sec latency 30164.961 ms 1 501 0.00 MB/sec execute 30 sec latency 31167.134 ms 1 501 0.00 MB/sec execute 31 sec latency 32167.322 ms 1 501 0.00 MB/sec execute 32 sec latency 33169.997 ms 1 501 0.00 MB/sec execute 33 sec latency 34171.515 ms 1 501 0.00 MB/sec execute 34 sec latency 35171.774 ms 1 501 0.00 MB/sec execute 35 sec latency 36172.137 ms 1 501 0.00 MB/sec execute 36 sec latency 37172.826 ms 1 501 0.00 MB/sec execute 37 sec latency 38173.073 ms 1 501 0.00 MB/sec execute 38 sec latency 39174.953 ms 1 501 0.00 MB/sec execute 39 sec latency 40178.316 ms 1 501 0.00 MB/sec execute 40 sec latency 41178.505 ms 1 501 0.00 MB/sec execute 41 sec latency 42178.717 ms 1 501 0.00 MB/sec execute 42 sec latency 43181.302 ms 1 501 0.00 MB/sec execute 43 sec latency 44188.800 ms 1 501 0.00 MB/sec execute 44 sec latency 45201.334 ms 1 501 0.00 MB/sec execute 45 sec latency 46201.713 ms oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 46 sec latency 47201.983 ms pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 513 0.01 MB/sec execute 47 sec latency 47828.670 ms 1 552 0.03 MB/sec execute 48 sec latency 233.374 ms Started lustre-MDT0000 20:31:57 (1788741117) targets are mounted 20:31:57 (1788741117) facet_failover done 1 587 0.05 MB/sec execute 49 sec latency 692.937 ms 1 640 0.07 MB/sec execute 50 sec latency 140.026 ms 1 673 0.07 MB/sec execute 51 sec latency 109.555 ms 1 699 0.07 MB/sec execute 52 sec latency 146.106 ms 1 721 0.07 MB/sec execute 53 sec latency 171.785 ms 1 747 0.07 MB/sec execute 54 sec latency 191.140 ms 1 780 0.07 MB/sec execute 55 sec latency 122.119 ms 1 806 0.07 MB/sec execute 56 sec latency 125.011 ms oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 848 0.07 MB/sec execute 57 sec latency 192.465 ms 1 870 0.07 MB/sec execute 58 sec latency 191.534 ms 1 890 0.07 MB/sec execute 59 sec latency 163.837 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 909 0.07 MB/sec execute 60 sec latency 192.989 ms 1 923 0.07 MB/sec execute 61 sec latency 142.918 ms 1 957 0.07 MB/sec execute 62 sec latency 209.681 ms 1 990 0.07 MB/sec execute 63 sec latency 122.169 ms 1 1051 0.08 MB/sec execute 64 sec latency 122.321 ms 1 1079 0.08 MB/sec execute 65 sec latency 143.536 ms 1 1124 0.08 MB/sec execute 66 sec latency 96.913 ms 1 1147 0.08 MB/sec execute 67 sec latency 133.743 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1956 1269348 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45660 3555856 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11452 3593356 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 57112 7149212 1% /mnt/lustre 1 1172 0.08 MB/sec execute 68 sec latency 583.972 ms 1 1192 0.08 MB/sec execute 69 sec latency 922.679 ms 1 1219 0.08 MB/sec execute 70 sec latency 136.059 ms 1 1236 0.08 MB/sec execute 71 sec latency 149.970 ms 1 1263 0.08 MB/sec execute 72 sec latency 166.430 ms 1 1389 0.12 MB/sec execute 73 sec latency 123.231 ms 1 1425 0.12 MB/sec execute 74 sec latency 109.196 ms 1 1481 0.11 MB/sec execute 75 sec latency 121.685 ms 1 1499 0.11 MB/sec execute 76 sec latency 414.884 ms 1 1538 0.11 MB/sec execute 77 sec latency 138.104 ms 1 1593 0.11 MB/sec execute 78 sec latency 97.223 ms test_26 fail mds2 2 times 1 1625 0.11 MB/sec execute 79 sec latency 148.230 ms 1 1660 0.11 MB/sec execute 80 sec latency 152.200 ms Failing mds2 on oleg440-server 1 1689 0.11 MB/sec execute 81 sec latency 195.662 ms Stopping /mnt/lustre-mds2 (opts:) on oleg440-server 1 1738 0.11 MB/sec execute 82 sec latency 107.183 ms 1 1789 0.11 MB/sec execute 83 sec latency 80.354 ms 1 1791 0.11 MB/sec execute 84 sec latency 970.666 ms 1 1791 0.10 MB/sec execute 85 sec latency 1973.458 ms 20:32:34 (1788741154) shut down facet: mds2 facet_host: oleg440-server facet_failover_host: oleg440-server 1 1791 0.10 MB/sec execute 86 sec latency 2973.832 ms 1 1791 0.10 MB/sec execute 87 sec latency 3974.080 ms 1 1791 0.10 MB/sec execute 88 sec latency 4974.324 ms 1 1791 0.10 MB/sec execute 89 sec latency 5974.577 ms 1 1791 0.10 MB/sec execute 90 sec latency 6974.823 ms 1 1791 0.10 MB/sec execute 91 sec latency 7975.727 ms 1 1791 0.10 MB/sec execute 92 sec latency 8977.998 ms 1 1791 0.09 MB/sec execute 93 sec latency 9978.253 ms 1 1791 0.09 MB/sec execute 94 sec latency 10979.720 ms 1 1791 0.09 MB/sec execute 95 sec latency 11982.741 ms Failover mds2 to oleg440-server mount facets: mds2 1 1791 0.09 MB/sec execute 96 sec latency 12983.045 ms 1 1791 0.09 MB/sec execute 97 sec latency 13983.546 ms 1 1791 0.09 MB/sec execute 98 sec latency 14984.056 ms 1 1791 0.09 MB/sec execute 99 sec latency 15984.281 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 cleanup 111 sec pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 cleanup 112 sec Started lustre-MDT0001 20:33:02 (1788741182) targets are mounted 20:33:02 (1788741182) facet_failover done 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 0 cleanup 117 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 222 425.758 47828.655 Close 188 16.279 50.550 Rename 11 128.846 195.632 Unlink 24 36.428 73.945 Qpathinfo 173 22.361 143.501 Qfileinfo 51 3.011 31.856 Qfsinfo 33 4.562 24.139 Sfileinfo 34 91.340 137.764 Find 64 16.405 61.089 WriteX 185 15.123 115.516 ReadX 279 0.195 4.959 Flush 27 81.143 414.846 Throughput 0.0891955 MB/sec 1 clients 1 procs max_latency=47828.670 ms stopping dbench on /mnt/lustre at Sun Sep 6 20:33:06 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush /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 Sun Sep 6 20:33:15 EDT 2026 waiting for dbench pid 67751 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 32 1.05 MB/sec warmup 1 sec latency 85.320 ms 1 100 2.29 MB/sec warmup 2 sec latency 121.871 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2376 1268928 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44656 3560480 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2556 3604292 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47212 7164772 1% /mnt/lustre 1 129 1.91 MB/sec warmup 3 sec latency 208.754 ms 1 155 1.63 MB/sec warmup 4 sec latency 225.105 ms 1 181 1.46 MB/sec warmup 5 sec latency 191.604 ms 1 199 1.30 MB/sec warmup 6 sec latency 384.938 ms 1 239 1.30 MB/sec warmup 7 sec latency 151.451 ms 1 271 1.27 MB/sec warmup 8 sec latency 142.741 ms 1 304 1.24 MB/sec warmup 9 sec latency 147.811 ms 1 339 1.22 MB/sec warmup 10 sec latency 133.203 ms 1 357 1.16 MB/sec warmup 11 sec latency 593.550 ms 1 398 1.17 MB/sec warmup 12 sec latency 126.087 ms 1 441 1.19 MB/sec warmup 13 sec latency 102.368 ms test_26 fail mds1 3 times 1 493 1.23 MB/sec warmup 14 sec latency 106.014 ms 1 527 1.21 MB/sec warmup 15 sec latency 137.081 ms Failing mds1 on oleg440-server 1 616 1.31 MB/sec warmup 16 sec latency 106.305 ms Stopping /mnt/lustre-mds1 (opts:) on oleg440-server 1 669 1.24 MB/sec warmup 17 sec latency 107.095 ms 1 678 1.17 MB/sec warmup 18 sec latency 761.406 ms 1 678 1.11 MB/sec warmup 19 sec latency 1761.978 ms 20:33:34 (1788741214) shut down facet: mds1 facet_host: oleg440-server facet_failover_host: oleg440-server 1 678 0.00 MB/sec execute 1 sec latency 3762.828 ms 1 678 0.00 MB/sec execute 2 sec latency 4763.120 ms 1 678 0.00 MB/sec execute 3 sec latency 5763.785 ms 1 678 0.00 MB/sec execute 4 sec latency 6765.246 ms 1 678 0.00 MB/sec execute 5 sec latency 7765.514 ms 1 678 0.00 MB/sec execute 6 sec latency 8765.951 ms 1 678 0.00 MB/sec execute 7 sec latency 9766.992 ms 1 678 0.00 MB/sec execute 8 sec latency 10769.491 ms 1 678 0.00 MB/sec execute 9 sec latency 11772.997 ms Failover mds1 to oleg440-server mount facets: mds1 1 678 0.00 MB/sec execute 10 sec latency 12773.522 ms 1 678 0.00 MB/sec execute 11 sec latency 13773.812 ms 1 678 0.00 MB/sec execute 12 sec latency 14774.040 ms 1 678 0.00 MB/sec execute 13 sec latency 15774.831 ms 1 678 0.00 MB/sec execute 14 sec latency 16776.276 ms 1 678 0.00 MB/sec execute 15 sec latency 17776.484 ms 1 678 0.00 MB/sec execute 16 sec latency 18776.758 ms 1 678 0.00 MB/sec execute 17 sec latency 19776.975 ms 1 678 0.00 MB/sec execute 18 sec latency 20777.197 ms 1 678 0.00 MB/sec execute 19 sec latency 21777.420 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 678 0.00 MB/sec execute 20 sec latency 22779.226 ms 1 678 0.00 MB/sec execute 21 sec latency 23780.313 ms 1 678 0.00 MB/sec execute 22 sec latency 24780.577 ms 1 678 0.00 MB/sec execute 23 sec latency 25780.962 ms 1 678 0.00 MB/sec execute 24 sec latency 26781.276 ms 1 678 0.00 MB/sec execute 25 sec latency 27781.954 ms 1 678 0.00 MB/sec execute 26 sec latency 28782.192 ms 1 678 0.00 MB/sec execute 27 sec latency 29782.959 ms 1 678 0.00 MB/sec execute 28 sec latency 30783.913 ms 1 678 0.00 MB/sec execute 29 sec latency 31784.182 ms 1 678 0.00 MB/sec execute 30 sec latency 32784.646 ms 1 678 0.00 MB/sec execute 31 sec latency 33785.631 ms oleg440-server: oleg440-server.virtnet: executing set_default_debug -1 all 1 678 0.00 MB/sec execute 32 sec latency 34786.109 ms 1 678 0.00 MB/sec execute 33 sec latency 35792.253 ms pdsh@oleg440-client: oleg440-server: ssh exited with exit code 1 1 678 0.00 MB/sec execute 34 sec latency 36792.627 ms Started lustre-MDT0000 20:34:09 (1788741249) targets are mounted 20:34:09 (1788741249) facet_failover done 1 702 0.00 MB/sec execute 35 sec latency 37085.231 ms 1 735 0.00 MB/sec execute 36 sec latency 140.572 ms 1 774 0.01 MB/sec execute 37 sec latency 130.954 ms 1 800 0.01 MB/sec execute 38 sec latency 127.189 ms 1 845 0.01 MB/sec execute 39 sec latency 126.092 ms 1 876 0.01 MB/sec execute 40 sec latency 93.429 ms 1 884 0.01 MB/sec execute 41 sec latency 754.903 ms oleg440-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 885 0.01 MB/sec execute 42 sec latency 1592.685 ms 1 909 0.01 MB/sec execute 43 sec latency 254.344 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 932 0.01 MB/sec execute 44 sec latency 149.746 ms 1 967 0.01 MB/sec execute 45 sec latency 131.028 ms 1 986 0.02 MB/sec execute 46 sec latency 147.256 ms 1 1050 0.04 MB/sec execute 47 sec latency 97.638 ms 1 1077 0.04 MB/sec execute 48 sec latency 111.402 ms 1 1124 0.04 MB/sec execute 49 sec latency 173.119 ms 1 1157 0.04 MB/sec execute 50 sec latency 94.271 ms 1 1200 0.04 MB/sec execute 51 sec latency 93.930 ms 1 1233 0.04 MB/sec execute 52 sec latency 110.082 ms 1 1264 0.04 MB/sec execute 53 sec latency 109.130 ms 1 1392 0.09 MB/sec execute 54 sec latency 104.156 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1426 0.09 MB/sec execute 55 sec latency 122.084 ms 1 1465 0.09 MB/sec execute 56 sec latency 99.126 ms 1 1481 0.09 MB/sec execute 57 sec latency 563.579 ms 1 1504 0.08 MB/sec execute 58 sec latency 149.157 ms 1 1540 0.08 MB/sec execute 59 sec latency 109.246 ms 1 1569 0.08 MB/sec execute 60 sec latency 110.379 ms 1 1597 0.08 MB/sec execute 61 sec latency 104.574 ms 1 1632 0.08 MB/sec execute 62 sec latency 246.982 ms 1 1662 0.08 MB/sec execute 63 sec latency 154.690 ms 1 1695 0.08 MB/sec execute 64 sec latency 144.758 ms 1 1756 0.08 MB/sec execute 65 sec latency 143.113 ms 1 1805 0.08 MB/sec execute 66 sec latency 98.937 ms 1 1840 0.08 MB/sec execute 67 sec latency 145.964 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sun Sep 6 20:34:43 EDT 2026 with return code 0 1 1886 0.08 MB/sec execute 68 sec latency 101.205 ms 67751 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67751 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished