== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:18:14 (1788272294) Starting client oleg203-client.virtnet: -o user_xattr,flock 192.168.202.103@tcp:/lustre /mnt/lustre Started clients oleg203-client.virtnet: 192.168.202.103@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 65521 Started dbench loop with 65522 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1980 1269324 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1824 1269480 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7210932 1% /mnt/lustre 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 Tue Sep 1 10:18:29 EDT 2026 waiting for dbench pid 65620 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 5 0.00 MB/sec warmup 1 sec latency 25.800 ms 1 28 0.46 MB/sec warmup 2 sec latency 48.446 ms 1 51 0.69 MB/sec warmup 3 sec latency 305.002 ms 1 89 1.02 MB/sec warmup 4 sec latency 173.955 ms 1 113 1.04 MB/sec warmup 5 sec latency 360.714 ms 1 129 0.95 MB/sec warmup 6 sec latency 666.004 ms 1 136 0.85 MB/sec warmup 7 sec latency 1072.773 ms 1 155 0.81 MB/sec warmup 8 sec latency 305.684 ms 1 174 0.78 MB/sec warmup 9 sec latency 212.907 ms 1 186 0.74 MB/sec warmup 10 sec latency 692.297 ms test_26 fail mds1 1 times 1 207 0.73 MB/sec warmup 11 sec latency 187.175 ms 1 231 0.73 MB/sec warmup 12 sec latency 238.212 ms 1 260 0.75 MB/sec warmup 13 sec latency 240.061 ms Failing mds1 on oleg203-server 1 287 0.76 MB/sec warmup 14 sec latency 208.412 ms 1 313 0.76 MB/sec warmup 15 sec latency 191.953 ms Stopping /mnt/lustre-mds1 (opts:) on oleg203-server 1 324 0.73 MB/sec warmup 16 sec latency 313.766 ms 1 339 0.72 MB/sec warmup 17 sec latency 463.485 ms 1 339 0.68 MB/sec warmup 18 sec latency 1463.703 ms 1 339 0.64 MB/sec warmup 19 sec latency 2465.554 ms 10:18:49 (1788272329) shut down facet: mds1 facet_host: oleg203-server facet_failover_host: oleg203-server 1 339 0.00 MB/sec execute 1 sec latency 4468.442 ms 1 339 0.00 MB/sec execute 2 sec latency 5468.631 ms 1 339 0.00 MB/sec execute 3 sec latency 6468.913 ms 1 339 0.00 MB/sec execute 4 sec latency 7469.114 ms 1 339 0.00 MB/sec execute 5 sec latency 8469.333 ms 1 339 0.00 MB/sec execute 6 sec latency 9469.538 ms 1 339 0.00 MB/sec execute 7 sec latency 10471.073 ms 1 339 0.00 MB/sec execute 8 sec latency 11471.317 ms 1 339 0.00 MB/sec execute 9 sec latency 12471.574 ms 1 339 0.00 MB/sec execute 10 sec latency 13471.784 ms Failover mds1 to oleg203-server mount facets: mds1 1 339 0.00 MB/sec execute 11 sec latency 14473.529 ms 1 339 0.00 MB/sec execute 12 sec latency 15473.768 ms 1 339 0.00 MB/sec execute 13 sec latency 16474.053 ms 1 339 0.00 MB/sec execute 14 sec latency 17479.231 ms 1 339 0.00 MB/sec execute 15 sec latency 18481.712 ms 1 339 0.00 MB/sec execute 16 sec latency 19492.196 ms 1 339 0.00 MB/sec execute 17 sec latency 20492.822 ms 1 339 0.00 MB/sec execute 18 sec latency 21492.998 ms 1 339 0.00 MB/sec execute 19 sec latency 22493.257 ms 1 339 0.00 MB/sec execute 20 sec latency 23495.204 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 21 sec latency 24495.424 ms 1 339 0.00 MB/sec execute 22 sec latency 25496.710 ms 1 339 0.00 MB/sec execute 23 sec latency 26496.929 ms 1 339 0.00 MB/sec execute 24 sec latency 27497.812 ms 1 339 0.00 MB/sec execute 25 sec latency 28498.002 ms 1 339 0.00 MB/sec execute 26 sec latency 29499.409 ms 1 339 0.00 MB/sec execute 27 sec latency 30499.707 ms 1 339 0.00 MB/sec execute 28 sec latency 31500.322 ms 1 339 0.00 MB/sec execute 29 sec latency 32500.814 ms 1 339 0.00 MB/sec execute 30 sec latency 33510.565 ms 1 339 0.00 MB/sec execute 31 sec latency 34510.770 ms 1 339 0.00 MB/sec execute 32 sec latency 35510.949 ms 1 339 0.00 MB/sec execute 33 sec latency 36511.348 ms 1 339 0.00 MB/sec execute 34 sec latency 37513.904 ms oleg203-server: oleg203-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 35 sec latency 38516.708 ms 1 339 0.00 MB/sec execute 36 sec latency 39518.948 ms pdsh@oleg203-client: oleg203-server: ssh exited with exit code 1 1 349 0.01 MB/sec execute 37 sec latency 40122.334 ms Started lustre-MDT0000 10:19:27 (1788272367) targets are mounted 10:19:27 (1788272367) facet_failover done 1 372 0.03 MB/sec execute 38 sec latency 429.083 ms 1 405 0.05 MB/sec execute 39 sec latency 175.267 ms 1 440 0.08 MB/sec execute 40 sec latency 131.862 ms 1 477 0.11 MB/sec execute 41 sec latency 139.579 ms 1 508 0.13 MB/sec execute 42 sec latency 175.571 ms 1 542 0.16 MB/sec execute 43 sec latency 170.366 ms 1 612 0.20 MB/sec execute 44 sec latency 99.032 ms 1 654 0.20 MB/sec execute 45 sec latency 235.651 ms oleg203-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 691 0.19 MB/sec execute 46 sec latency 120.038 ms 1 713 0.19 MB/sec execute 47 sec latency 168.673 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 746 0.19 MB/sec execute 48 sec latency 108.814 ms 1 778 0.19 MB/sec execute 49 sec latency 149.882 ms 1 808 0.18 MB/sec execute 50 sec latency 165.891 ms 1 851 0.18 MB/sec execute 51 sec latency 105.883 ms 1 892 0.18 MB/sec execute 52 sec latency 125.347 ms 1 919 0.18 MB/sec execute 53 sec latency 130.945 ms 1 955 0.18 MB/sec execute 54 sec latency 142.119 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2128 1269176 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35068 3561404 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11104 3592528 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46172 7153932 1% /mnt/lustre 1 983 0.17 MB/sec execute 55 sec latency 122.552 ms 1 1035 0.19 MB/sec execute 56 sec latency 150.599 ms 1 1035 0.19 MB/sec execute 57 sec latency 1021.014 ms 1 1040 0.18 MB/sec execute 58 sec latency 1620.870 ms 1 1084 0.18 MB/sec execute 59 sec latency 117.101 ms 1 1132 0.18 MB/sec execute 60 sec latency 89.979 ms 1 1172 0.18 MB/sec execute 61 sec latency 81.942 ms 1 1215 0.17 MB/sec execute 62 sec latency 86.140 ms 1 1244 0.17 MB/sec execute 63 sec latency 130.092 ms 1 1399 0.21 MB/sec execute 64 sec latency 127.920 ms test_26 fail mds2 2 times 1 1451 0.21 MB/sec execute 65 sec latency 95.543 ms 1 1499 0.21 MB/sec execute 66 sec latency 109.694 ms Failing mds2 on oleg203-server 1 1551 0.21 MB/sec execute 67 sec latency 127.873 ms Stopping /mnt/lustre-mds2 (opts:) on oleg203-server 1 1609 0.20 MB/sec execute 68 sec latency 108.031 ms 1 1650 0.20 MB/sec execute 69 sec latency 192.008 ms 1 1689 0.20 MB/sec execute 70 sec latency 110.058 ms 1 1737 0.20 MB/sec execute 71 sec latency 96.153 ms 10:20:01 (1788272401) shut down facet: mds2 facet_host: oleg203-server facet_failover_host: oleg203-server 1 1808 0.20 MB/sec execute 72 sec latency 108.715 ms 1 1857 0.19 MB/sec execute 73 sec latency 92.013 ms 1 1924 0.19 MB/sec execute 74 sec latency 95.602 ms 1 1996 0.19 MB/sec execute 75 sec latency 74.915 ms 1 2063 0.19 MB/sec execute 76 sec latency 82.345 ms 1 2139 0.19 MB/sec execute 77 sec latency 115.895 ms 1 2181 0.19 MB/sec execute 78 sec latency 93.441 ms 1 2259 0.18 MB/sec execute 79 sec latency 135.723 ms 1 2259 0.18 MB/sec execute 80 sec latency 1136.587 ms 1 2259 0.18 MB/sec execute 81 sec latency 2137.882 ms Failover mds2 to oleg203-server 1 2259 0.18 MB/sec execute 82 sec latency 3140.226 ms mount facets: mds2 1 2259 0.17 MB/sec execute 83 sec latency 4141.023 ms 1 2259 0.17 MB/sec execute 84 sec latency 5141.279 ms 1 2259 0.17 MB/sec execute 85 sec latency 6144.052 ms 1 2259 0.17 MB/sec execute 86 sec latency 7145.254 ms 1 2259 0.17 MB/sec execute 87 sec latency 8145.470 ms 1 2259 0.16 MB/sec execute 88 sec latency 9146.273 ms 1 2259 0.16 MB/sec execute 89 sec latency 10148.937 ms 1 2259 0.16 MB/sec execute 90 sec latency 11149.072 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.16 MB/sec execute 91 sec latency 12151.274 ms 1 2259 0.16 MB/sec execute 92 sec latency 13152.730 ms 1 2259 0.16 MB/sec execute 93 sec latency 14152.900 ms 1 2259 0.15 MB/sec execute 94 sec latency 15153.103 ms 1 2259 0.15 MB/sec execute 95 sec latency 16153.378 ms 1 2259 0.15 MB/sec execute 96 sec latency 17153.585 ms oleg203-server: oleg203-server.virtnet: executing set_default_debug -1 all 1 2259 0.15 MB/sec execute 97 sec latency 18154.756 ms 1 2259 0.15 MB/sec execute 98 sec latency 19155.221 ms pdsh@oleg203-client: oleg203-server: ssh exited with exit code 1 1 2259 0.15 MB/sec execute 99 sec latency 20160.101 ms Started lustre-MDT0001 10:20:29 (1788272429) targets are mounted 10:20:29 (1788272429) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 342 236.888 40122.319 Close 297 12.520 76.280 Rename 11 104.516 168.653 Unlink 30 24.023 46.793 Qpathinfo 295 14.835 179.117 Qfileinfo 89 1.960 14.465 Qfsinfo 33 4.811 29.936 Sfileinfo 34 56.710 114.275 Find 92 12.880 56.555 WriteX 323 15.087 63.266 ReadX 350 2.103 117.078 Flush 30 53.376 130.373 Throughput 0.146451 MB/sec 1 clients 1 procs max_latency=40122.334 ms stopping dbench on /mnt/lustre at Tue Sep 1 10:20:35 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg203-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 Tue Sep 1 10:20:47 EDT 2026 waiting for dbench pid 67733 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 7 0.00 MB/sec warmup 1 sec latency 20.120 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2380 1268924 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19528 3586420 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27108 3578324 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164744 1% /mnt/lustre 1 71 1.57 MB/sec warmup 2 sec latency 131.599 ms 1 130 1.92 MB/sec warmup 3 sec latency 139.098 ms 1 157 1.64 MB/sec warmup 4 sec latency 186.733 ms 1 184 1.46 MB/sec warmup 5 sec latency 177.991 ms 1 188 1.26 MB/sec warmup 6 sec latency 970.151 ms 1 207 1.16 MB/sec warmup 7 sec latency 203.336 ms 1 232 1.11 MB/sec warmup 8 sec latency 228.911 ms 1 271 1.13 MB/sec warmup 9 sec latency 150.442 ms 1 299 1.10 MB/sec warmup 10 sec latency 157.511 ms 1 332 1.09 MB/sec warmup 11 sec latency 120.625 ms 1 373 1.11 MB/sec warmup 12 sec latency 177.773 ms 1 421 1.14 MB/sec warmup 13 sec latency 106.700 ms test_26 fail mds1 3 times 1 454 1.13 MB/sec warmup 14 sec latency 161.134 ms 1 493 1.15 MB/sec warmup 15 sec latency 112.829 ms Failing mds1 on oleg203-server 1 514 1.11 MB/sec warmup 16 sec latency 171.790 ms Stopping /mnt/lustre-mds1 (opts:) on oleg203-server 1 576 1.14 MB/sec warmup 17 sec latency 156.026 ms 1 640 1.17 MB/sec warmup 18 sec latency 250.336 ms 1 640 1.11 MB/sec warmup 19 sec latency 1252.488 ms 10:21:08 (1788272468) shut down facet: mds1 facet_host: oleg203-server facet_failover_host: oleg203-server 1 640 0.00 MB/sec execute 1 sec latency 3253.544 ms 1 640 0.00 MB/sec execute 2 sec latency 4253.758 ms 1 640 0.00 MB/sec execute 3 sec latency 5253.966 ms 1 640 0.00 MB/sec execute 4 sec latency 6254.167 ms 1 640 0.00 MB/sec execute 5 sec latency 7255.125 ms 1 640 0.00 MB/sec execute 6 sec latency 8255.331 ms 1 640 0.00 MB/sec execute 7 sec latency 9256.376 ms 1 640 0.00 MB/sec execute 8 sec latency 10256.586 ms 1 640 0.00 MB/sec execute 9 sec latency 11257.418 ms 1 640 0.00 MB/sec execute 10 sec latency 12259.467 ms Failover mds1 to oleg203-server mount facets: mds1 1 640 0.00 MB/sec execute 11 sec latency 13259.723 ms 1 640 0.00 MB/sec execute 12 sec latency 14260.577 ms 1 640 0.00 MB/sec execute 13 sec latency 15260.791 ms 1 640 0.00 MB/sec execute 14 sec latency 16261.002 ms 1 640 0.00 MB/sec execute 15 sec latency 17261.348 ms 1 640 0.00 MB/sec execute 16 sec latency 18261.681 ms 1 640 0.00 MB/sec execute 17 sec latency 19264.278 ms 1 640 0.00 MB/sec execute 18 sec latency 20265.184 ms 1 640 0.00 MB/sec execute 19 sec latency 21265.605 ms 1 640 0.00 MB/sec execute 20 sec latency 22265.900 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 640 0.00 MB/sec execute 21 sec latency 23268.844 ms 1 640 0.00 MB/sec execute 22 sec latency 24270.033 ms 1 640 0.00 MB/sec execute 23 sec latency 25270.528 ms 1 640 0.00 MB/sec execute 24 sec latency 26270.736 ms 1 640 0.00 MB/sec execute 25 sec latency 27271.174 ms 1 640 0.00 MB/sec execute 26 sec latency 28271.475 ms 1 640 0.00 MB/sec execute 27 sec latency 29271.711 ms 1 640 0.00 MB/sec execute 28 sec latency 30272.043 ms 1 640 0.00 MB/sec execute 29 sec latency 31272.272 ms 1 640 0.00 MB/sec execute 30 sec latency 32273.294 ms 1 640 0.00 MB/sec execute 31 sec latency 33273.472 ms 1 640 0.00 MB/sec execute 32 sec latency 34273.672 ms oleg203-server: oleg203-server.virtnet: executing set_default_debug -1 all 1 640 0.00 MB/sec execute 33 sec latency 35273.812 ms 1 640 0.00 MB/sec execute 34 sec latency 36274.259 ms pdsh@oleg203-client: oleg203-server: ssh exited with exit code 1 1 658 0.00 MB/sec execute 35 sec latency 36680.669 ms Started lustre-MDT0000 10:21:43 (1788272503) targets are mounted 10:21:43 (1788272503) facet_failover done 1 686 0.00 MB/sec execute 36 sec latency 170.732 ms 1 720 0.01 MB/sec execute 37 sec latency 122.522 ms 1 742 0.01 MB/sec execute 38 sec latency 207.396 ms 1 778 0.01 MB/sec execute 39 sec latency 148.628 ms 1 803 0.01 MB/sec execute 40 sec latency 169.124 ms 1 849 0.01 MB/sec execute 41 sec latency 120.792 ms 1 880 0.01 MB/sec execute 42 sec latency 152.892 ms 1 884 0.01 MB/sec execute 43 sec latency 875.282 ms oleg203-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 892 0.01 MB/sec execute 44 sec latency 1487.241 ms 1 914 0.02 MB/sec execute 45 sec latency 168.313 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 940 0.02 MB/sec execute 46 sec latency 162.686 ms 1 970 0.02 MB/sec execute 47 sec latency 156.509 ms 1 992 0.02 MB/sec execute 48 sec latency 160.278 ms 1 1067 0.04 MB/sec execute 49 sec latency 70.638 ms 1 1116 0.04 MB/sec execute 50 sec latency 133.483 ms 1 1149 0.04 MB/sec execute 51 sec latency 82.741 ms 1 1200 0.04 MB/sec execute 52 sec latency 93.290 ms 1 1238 0.04 MB/sec execute 53 sec latency 105.008 ms 1 1278 0.04 MB/sec execute 54 sec latency 110.131 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1403 0.09 MB/sec execute 55 sec latency 88.397 ms 1 1446 0.09 MB/sec execute 56 sec latency 97.661 ms 1 1478 0.09 MB/sec execute 57 sec latency 339.829 ms 1 1523 0.09 MB/sec execute 58 sec latency 116.002 ms 1 1563 0.09 MB/sec execute 59 sec latency 102.058 ms 1 1597 0.08 MB/sec execute 60 sec latency 83.445 ms 1 1634 0.08 MB/sec execute 61 sec latency 157.847 ms 1 1684 0.08 MB/sec execute 62 sec latency 110.055 ms 1 1719 0.08 MB/sec execute 63 sec latency 122.676 ms 1 1787 0.08 MB/sec execute 64 sec latency 82.055 ms 1 1834 0.08 MB/sec execute 65 sec latency 113.624 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 1 10:22:14 EDT 2026 with return code 0 1 1886 0.08 MB/sec execute 66 sec latency 117.642 ms 67733 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67733 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished