== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:19:23 (1786979963) Starting client oleg349-client.virtnet: -o user_xattr,flock 192.168.203.149@tcp:/lustre /mnt/lustre Started clients oleg349-client.virtnet: 192.168.203.149@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 65669 Started dbench loop with 65670 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13832 3584864 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190320 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 Aug 17 11:19:29 EDT 2026 waiting for dbench pid 65750 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 12 0.00 MB/sec warmup 1 sec latency 5.599 ms 1 69 1.54 MB/sec warmup 2 sec latency 127.882 ms 1 113 1.75 MB/sec warmup 3 sec latency 144.303 ms 1 147 1.57 MB/sec warmup 4 sec latency 141.866 ms 1 182 1.46 MB/sec warmup 5 sec latency 176.493 ms 1 199 1.31 MB/sec warmup 6 sec latency 430.811 ms 1 240 1.30 MB/sec warmup 7 sec latency 142.263 ms 1 287 1.34 MB/sec warmup 8 sec latency 116.252 ms test_26 fail mds1 1 times 1 328 1.32 MB/sec warmup 9 sec latency 101.456 ms 1 369 1.31 MB/sec warmup 10 sec latency 126.960 ms Failing mds1 on oleg349-server 1 413 1.32 MB/sec warmup 11 sec latency 102.195 ms Stopping /mnt/lustre-mds1 (opts:) on oleg349-server 1 450 1.31 MB/sec warmup 12 sec latency 194.821 ms 1 461 1.24 MB/sec warmup 13 sec latency 763.027 ms 1 461 1.15 MB/sec warmup 14 sec latency 1764.011 ms 11:19:43 (1786979983) shut down facet: mds1 facet_host: oleg349-server facet_failover_host: oleg349-server 1 461 1.08 MB/sec warmup 15 sec latency 2764.518 ms 1 461 1.01 MB/sec warmup 16 sec latency 3764.680 ms 1 461 0.95 MB/sec warmup 17 sec latency 4764.853 ms 1 461 0.90 MB/sec warmup 18 sec latency 5765.058 ms 1 461 0.85 MB/sec warmup 19 sec latency 6765.226 ms 1 461 0.00 MB/sec execute 1 sec latency 8766.028 ms 1 461 0.00 MB/sec execute 2 sec latency 9767.093 ms 1 461 0.00 MB/sec execute 3 sec latency 10767.397 ms 1 461 0.00 MB/sec execute 4 sec latency 11770.798 ms Failover mds1 to oleg349-server 1 461 0.00 MB/sec execute 5 sec latency 12771.021 ms mount facets: mds1 1 461 0.00 MB/sec execute 6 sec latency 13772.320 ms 1 461 0.00 MB/sec execute 7 sec latency 14774.276 ms 1 461 0.00 MB/sec execute 8 sec latency 15774.515 ms 1 461 0.00 MB/sec execute 9 sec latency 16776.079 ms 1 461 0.00 MB/sec execute 10 sec latency 17778.781 ms 1 461 0.00 MB/sec execute 11 sec latency 18779.027 ms 1 461 0.00 MB/sec execute 12 sec latency 19779.234 ms 1 461 0.00 MB/sec execute 13 sec latency 20779.383 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 461 0.00 MB/sec execute 14 sec latency 21780.681 ms 1 461 0.00 MB/sec execute 15 sec latency 22783.520 ms 1 461 0.00 MB/sec execute 16 sec latency 23783.827 ms 1 461 0.00 MB/sec execute 17 sec latency 24787.479 ms 1 461 0.00 MB/sec execute 18 sec latency 25787.677 ms 1 461 0.00 MB/sec execute 19 sec latency 26788.020 ms 1 461 0.00 MB/sec execute 20 sec latency 27789.182 ms 1 461 0.00 MB/sec execute 21 sec latency 28789.466 ms 1 461 0.00 MB/sec execute 22 sec latency 29790.924 ms 1 461 0.00 MB/sec execute 23 sec latency 30791.206 ms 1 461 0.00 MB/sec execute 24 sec latency 31791.624 ms 1 461 0.00 MB/sec execute 25 sec latency 32791.987 ms oleg349-server: oleg349-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 26 sec latency 33792.523 ms pdsh@oleg349-client: oleg349-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 27 sec latency 34792.997 ms Started lustre-MDT0000 11:20:16 (1786980016) targets are mounted 11:20:16 (1786980016) facet_failover done 1 461 0.00 MB/sec execute 28 sec latency 35793.378 ms 1 461 0.00 MB/sec execute 29 sec latency 36794.087 ms 1 501 0.04 MB/sec execute 30 sec latency 36832.775 ms 1 542 0.09 MB/sec execute 31 sec latency 140.558 ms 1 578 0.11 MB/sec execute 32 sec latency 600.906 ms 1 640 0.15 MB/sec execute 33 sec latency 125.988 ms oleg349-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.15 MB/sec execute 34 sec latency 115.467 ms 1 710 0.14 MB/sec execute 35 sec latency 142.764 ms 1 735 0.14 MB/sec execute 36 sec latency 138.930 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.14 MB/sec execute 37 sec latency 123.472 ms 1 799 0.14 MB/sec execute 38 sec latency 136.531 ms 1 845 0.14 MB/sec execute 39 sec latency 112.958 ms 1 873 0.14 MB/sec execute 40 sec latency 197.674 ms 1 900 0.13 MB/sec execute 41 sec latency 203.582 ms 1 926 0.13 MB/sec execute 42 sec latency 94.397 ms 1 969 0.13 MB/sec execute 43 sec latency 96.883 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2080 1269224 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1932 1269372 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11420 3590792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 42856 3563612 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54276 7154404 1% /mnt/lustre 1 988 0.13 MB/sec execute 44 sec latency 133.240 ms 1 1050 0.15 MB/sec execute 45 sec latency 150.736 ms 1 1100 0.15 MB/sec execute 46 sec latency 166.307 ms 1 1136 0.14 MB/sec execute 47 sec latency 93.810 ms 1 1172 0.14 MB/sec execute 48 sec latency 192.718 ms 1 1178 0.14 MB/sec execute 49 sec latency 986.831 ms 1 1221 0.14 MB/sec execute 50 sec latency 90.367 ms 1 1257 0.14 MB/sec execute 51 sec latency 149.724 ms 1 1384 0.19 MB/sec execute 52 sec latency 132.113 ms 1 1421 0.19 MB/sec execute 53 sec latency 88.285 ms test_26 fail mds2 2 times 1 1468 0.18 MB/sec execute 54 sec latency 109.987 ms 1 1497 0.18 MB/sec execute 55 sec latency 147.135 ms Failing mds2 on oleg349-server 1 1532 0.18 MB/sec execute 56 sec latency 124.672 ms Stopping /mnt/lustre-mds2 (opts:) on oleg349-server 1 1569 0.17 MB/sec execute 57 sec latency 80.146 ms 1 1605 0.17 MB/sec execute 58 sec latency 87.642 ms 1 1651 0.17 MB/sec execute 59 sec latency 102.195 ms 1 1690 0.17 MB/sec execute 60 sec latency 90.277 ms 1 1771 0.17 MB/sec execute 61 sec latency 85.669 ms 1 1834 0.16 MB/sec execute 62 sec latency 94.260 ms 1 1889 0.16 MB/sec execute 63 sec latency 102.841 ms 1 1965 0.16 MB/sec execute 64 sec latency 116.536 ms 1 2006 0.16 MB/sec execute 65 sec latency 140.501 ms 1 2066 0.16 MB/sec execute 66 sec latency 92.437 ms 11:20:55 (1786980055) shut down facet: mds2 facet_host: oleg349-server facet_failover_host: oleg349-server 1 2137 0.16 MB/sec execute 67 sec latency 111.029 ms 1 2190 0.16 MB/sec execute 68 sec latency 65.914 ms 1 2259 0.15 MB/sec execute 69 sec latency 80.016 ms 1 2259 0.15 MB/sec execute 70 sec latency 1065.325 ms 1 2259 0.15 MB/sec execute 71 sec latency 2065.632 ms 1 2259 0.15 MB/sec execute 72 sec latency 3066.025 ms 1 2259 0.15 MB/sec execute 73 sec latency 4066.239 ms 1 2259 0.14 MB/sec execute 74 sec latency 5066.656 ms 1 2259 0.14 MB/sec execute 75 sec latency 6067.052 ms 1 2259 0.14 MB/sec execute 76 sec latency 7068.573 ms Failover mds2 to oleg349-server mount facets: mds2 1 2259 0.14 MB/sec execute 77 sec latency 8068.780 ms 1 2259 0.14 MB/sec execute 78 sec latency 9068.966 ms 1 2259 0.13 MB/sec execute 79 sec latency 10069.228 ms 1 2259 0.13 MB/sec execute 80 sec latency 11069.471 ms 1 2259 0.13 MB/sec execute 81 sec latency 12069.641 ms 1 2259 0.13 MB/sec execute 82 sec latency 13069.827 ms 1 2259 0.13 MB/sec execute 83 sec latency 14070.449 ms 1 2259 0.13 MB/sec execute 84 sec latency 15070.924 ms 1 2259 0.12 MB/sec execute 85 sec latency 16071.216 ms 1 2259 0.12 MB/sec execute 86 sec latency 17072.761 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 87 sec latency 18073.252 ms 1 2259 0.12 MB/sec execute 88 sec latency 19073.401 ms 1 2259 0.12 MB/sec execute 89 sec latency 20073.795 ms 1 2259 0.12 MB/sec execute 90 sec latency 21074.123 ms 1 2259 0.12 MB/sec execute 91 sec latency 22078.412 ms 1 2259 0.12 MB/sec execute 92 sec latency 23080.461 ms oleg349-server: oleg349-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 93 sec latency 24080.670 ms 1 2259 0.11 MB/sec execute 94 sec latency 25080.876 ms pdsh@oleg349-client: oleg349-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 95 sec latency 26081.025 ms Started lustre-MDT0001 11:21:24 (1786980084) targets are mounted 11:21:24 (1786980084) facet_failover done 1 2331 0.12 MB/sec execute 96 sec latency 26206.691 ms 1 2367 0.12 MB/sec execute 97 sec latency 108.945 ms 1 2400 0.12 MB/sec execute 98 sec latency 159.514 ms 1 2428 0.12 MB/sec execute 99 sec latency 130.460 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg349-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 351 234.919 36832.759 Close 300 12.993 38.502 Rename 14 105.792 159.493 Unlink 36 34.835 77.995 Qpathinfo 324 16.996 166.287 Qfileinfo 83 2.751 19.351 Qfsinfo 41 4.163 17.550 Sfileinfo 44 67.756 130.446 Find 109 11.719 62.220 WriteX 287 13.591 87.803 ReadX 382 2.770 80.790 Flush 33 61.764 203.567 Throughput 0.120391 MB/sec 1 clients 1 procs max_latency=36832.775 ms stopping dbench on /mnt/lustre at Mon Aug 17 11:21:34 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /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 2248 1269056 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2172 1269132 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3128 3581400 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19516 3587152 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22644 7168552 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 Aug 17 11:21:42 EDT 2026 waiting for dbench pid 67916 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 10 0.00 MB/sec warmup 1 sec latency 100.644 ms 1 62 1.31 MB/sec warmup 2 sec latency 175.524 ms 1 113 1.75 MB/sec warmup 3 sec latency 205.609 ms 1 147 1.57 MB/sec warmup 4 sec latency 166.326 ms 1 155 1.31 MB/sec warmup 5 sec latency 880.553 ms 1 158 1.09 MB/sec warmup 6 sec latency 1706.863 ms 1 189 1.08 MB/sec warmup 7 sec latency 336.616 ms 1 235 1.12 MB/sec warmup 8 sec latency 108.291 ms test_26 fail mds1 3 times 1 279 1.16 MB/sec warmup 9 sec latency 103.680 ms 1 315 1.15 MB/sec warmup 10 sec latency 132.012 ms Failing mds1 on oleg349-server 1 349 1.14 MB/sec warmup 11 sec latency 149.269 ms Stopping /mnt/lustre-mds1 (opts:) on oleg349-server 1 389 1.15 MB/sec warmup 12 sec latency 113.730 ms 1 428 1.16 MB/sec warmup 13 sec latency 125.626 ms 1 428 1.08 MB/sec warmup 14 sec latency 1038.893 ms 1 428 1.01 MB/sec warmup 15 sec latency 2039.050 ms 11:21:58 (1786980118) shut down facet: mds1 facet_host: oleg349-server facet_failover_host: oleg349-server 1 428 0.94 MB/sec warmup 16 sec latency 3039.259 ms 1 428 0.89 MB/sec warmup 17 sec latency 4039.469 ms 1 428 0.84 MB/sec warmup 18 sec latency 5040.997 ms 1 428 0.80 MB/sec warmup 19 sec latency 6041.448 ms 1 428 0.00 MB/sec execute 1 sec latency 8042.139 ms 1 428 0.00 MB/sec execute 2 sec latency 9042.754 ms 1 428 0.00 MB/sec execute 3 sec latency 10043.045 ms 1 428 0.00 MB/sec execute 4 sec latency 11043.362 ms 1 428 0.00 MB/sec execute 5 sec latency 12043.528 ms Failover mds1 to oleg349-server 1 428 0.00 MB/sec execute 6 sec latency 13043.815 ms mount facets: mds1 1 428 0.00 MB/sec execute 7 sec latency 14044.017 ms 1 428 0.00 MB/sec execute 8 sec latency 15044.190 ms 1 428 0.00 MB/sec execute 9 sec latency 16045.281 ms 1 428 0.00 MB/sec execute 10 sec latency 17046.549 ms 1 428 0.00 MB/sec execute 11 sec latency 18049.197 ms 1 428 0.00 MB/sec execute 12 sec latency 19052.146 ms 1 428 0.00 MB/sec execute 13 sec latency 20052.358 ms 1 428 0.00 MB/sec execute 14 sec latency 21052.612 ms 1 428 0.00 MB/sec execute 15 sec latency 22053.421 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 16 sec latency 23053.731 ms 1 428 0.00 MB/sec execute 17 sec latency 24053.930 ms 1 428 0.00 MB/sec execute 18 sec latency 25054.081 ms 1 428 0.00 MB/sec execute 19 sec latency 26054.274 ms 1 428 0.00 MB/sec execute 20 sec latency 27060.428 ms 1 428 0.00 MB/sec execute 21 sec latency 28060.629 ms 1 428 0.00 MB/sec execute 22 sec latency 29062.139 ms 1 428 0.00 MB/sec execute 23 sec latency 30062.571 ms 1 428 0.00 MB/sec execute 24 sec latency 31063.471 ms 1 428 0.00 MB/sec execute 25 sec latency 32063.616 ms 1 428 0.00 MB/sec execute 26 sec latency 33064.339 ms oleg349-server: oleg349-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 27 sec latency 34064.479 ms pdsh@oleg349-client: oleg349-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 28 sec latency 35068.438 ms 1 429 0.00 MB/sec execute 29 sec latency 35972.120 ms Started lustre-MDT0000 11:22:32 (1786980152) targets are mounted 11:22:32 (1786980152) facet_failover done 1 469 0.04 MB/sec execute 30 sec latency 186.720 ms 1 511 0.08 MB/sec execute 31 sec latency 127.288 ms 1 542 0.12 MB/sec execute 32 sec latency 194.252 ms 1 585 0.15 MB/sec execute 33 sec latency 621.929 ms 1 644 0.17 MB/sec execute 34 sec latency 100.319 ms 1 681 0.17 MB/sec execute 35 sec latency 151.857 ms 1 710 0.17 MB/sec execute 36 sec latency 157.204 ms oleg349-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.17 MB/sec execute 37 sec latency 152.440 ms 1 776 0.16 MB/sec execute 38 sec latency 133.205 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 799 0.16 MB/sec execute 39 sec latency 176.187 ms 1 821 0.16 MB/sec execute 40 sec latency 153.057 ms 1 863 0.16 MB/sec execute 41 sec latency 143.653 ms 1 888 0.16 MB/sec execute 42 sec latency 140.441 ms 1 912 0.15 MB/sec execute 43 sec latency 165.651 ms 1 943 0.15 MB/sec execute 44 sec latency 90.111 ms 1 981 0.15 MB/sec execute 45 sec latency 112.783 ms 1 1039 0.17 MB/sec execute 46 sec latency 89.126 ms 1 1086 0.17 MB/sec execute 47 sec latency 94.823 ms 1 1132 0.16 MB/sec execute 48 sec latency 93.606 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1172 0.16 MB/sec execute 49 sec latency 134.525 ms 1 1182 0.16 MB/sec execute 50 sec latency 575.640 ms 1 1216 0.16 MB/sec execute 51 sec latency 126.230 ms 1 1241 0.15 MB/sec execute 52 sec latency 261.450 ms 1 1311 0.17 MB/sec execute 53 sec latency 133.504 ms 1 1403 0.20 MB/sec execute 54 sec latency 86.193 ms 1 1443 0.20 MB/sec execute 55 sec latency 117.580 ms 1 1485 0.19 MB/sec execute 56 sec latency 141.530 ms 1 1519 0.19 MB/sec execute 57 sec latency 144.109 ms 1 1564 0.19 MB/sec execute 58 sec latency 94.452 ms 1 1603 0.19 MB/sec execute 59 sec latency 114.572 ms 1 1646 0.18 MB/sec execute 60 sec latency 168.707 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 17 11:23:03 EDT 2026 with return code 0 1 1686 0.18 MB/sec execute 61 sec latency 174.147 ms 67916 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67916 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished