== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:07:35 (1786752455) Starting client oleg147-client.virtnet: -o user_xattr,flock 192.168.201.147@tcp:/lustre /mnt/lustre Started clients oleg147-client.virtnet: 192.168.201.147@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 45223 Started dbench loop with 45224 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 10240 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7499776 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 Fri Aug 14 20:07:42 EDT 2026 waiting for dbench pid 45291 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 1 20 0.39 MB/sec warmup 1 sec latency 154.841 ms 1 51 1.04 MB/sec warmup 2 sec latency 197.663 ms 1 91 1.39 MB/sec warmup 3 sec latency 204.223 ms 1 129 1.43 MB/sec warmup 4 sec latency 202.781 ms 1 157 1.30 MB/sec warmup 5 sec latency 151.409 ms test_26 fail mds1 1 times 1 189 1.26 MB/sec warmup 6 sec latency 167.388 ms 1 215 1.19 MB/sec warmup 7 sec latency 172.676 ms Failing mds1 on oleg147-server 1 232 1.11 MB/sec warmup 8 sec latency 190.254 ms 1 260 1.08 MB/sec warmup 9 sec latency 198.008 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 289 1.07 MB/sec warmup 10 sec latency 177.304 ms 1 297 0.99 MB/sec warmup 11 sec latency 772.732 ms 1 297 0.91 MB/sec warmup 12 sec latency 1773.039 ms 20:07:55 (1786752475) shut down 1 297 0.84 MB/sec warmup 13 sec latency 2774.096 ms facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 297 0.78 MB/sec warmup 14 sec latency 3775.788 ms 1 297 0.73 MB/sec warmup 15 sec latency 4777.673 ms 1 297 0.68 MB/sec warmup 16 sec latency 5778.144 ms 1 297 0.64 MB/sec warmup 17 sec latency 6778.587 ms 1 297 0.61 MB/sec warmup 18 sec latency 7778.856 ms 1 297 0.58 MB/sec warmup 19 sec latency 8779.137 ms 1 297 0.00 MB/sec execute 1 sec latency 10780.241 ms 1 297 0.00 MB/sec execute 2 sec latency 11780.495 ms 1 297 0.00 MB/sec execute 3 sec latency 12783.586 ms Failover mds1 to oleg147-server mount facets: mds1 1 297 0.00 MB/sec execute 4 sec latency 13783.746 ms 1 297 0.00 MB/sec execute 5 sec latency 14788.151 ms 1 297 0.00 MB/sec execute 6 sec latency 15788.529 ms 1 297 0.00 MB/sec execute 7 sec latency 16788.844 ms 1 297 0.00 MB/sec execute 8 sec latency 17789.415 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 297 0.00 MB/sec execute 9 sec latency 18789.738 ms 1 297 0.00 MB/sec execute 10 sec latency 19790.080 ms 1 297 0.00 MB/sec execute 11 sec latency 20791.119 ms 1 297 0.00 MB/sec execute 12 sec latency 21791.644 ms 1 297 0.00 MB/sec execute 13 sec latency 22792.733 ms 1 297 0.00 MB/sec execute 14 sec latency 23793.406 ms 1 297 0.00 MB/sec execute 15 sec latency 24795.663 ms 1 297 0.00 MB/sec execute 16 sec latency 25795.962 ms 1 297 0.00 MB/sec execute 17 sec latency 26796.281 ms 1 297 0.00 MB/sec execute 18 sec latency 27798.384 ms 1 297 0.00 MB/sec execute 19 sec latency 28798.647 ms 1 297 0.00 MB/sec execute 20 sec latency 29799.294 ms 1 297 0.00 MB/sec execute 21 sec latency 30799.902 ms 1 297 0.00 MB/sec execute 22 sec latency 31803.835 ms 1 297 0.00 MB/sec execute 23 sec latency 32811.517 ms 1 297 0.00 MB/sec execute 24 sec latency 33812.016 ms 1 297 0.00 MB/sec execute 25 sec latency 34812.438 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 297 0.00 MB/sec execute 26 sec latency 35813.964 ms 1 297 0.00 MB/sec execute 27 sec latency 36815.636 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 297 0.00 MB/sec execute 28 sec latency 37817.428 ms 1 297 0.00 MB/sec execute 29 sec latency 38817.787 ms Started lustre-MDT0000 20:08:31 (1786752511) targets are mounted 20:08:31 (1786752511) facet_failover done 1 297 0.00 MB/sec execute 30 sec latency 39818.326 ms 1 297 0.00 MB/sec execute 31 sec latency 40818.539 ms 1 297 0.00 MB/sec execute 32 sec latency 41822.143 ms 1 323 0.02 MB/sec execute 33 sec latency 42035.001 ms 1 344 0.04 MB/sec execute 34 sec latency 217.702 ms 1 381 0.07 MB/sec execute 35 sec latency 158.014 ms 1 413 0.10 MB/sec execute 36 sec latency 156.084 ms 1 448 0.13 MB/sec execute 37 sec latency 158.779 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 477 0.15 MB/sec execute 38 sec latency 176.639 ms 1 502 0.17 MB/sec execute 39 sec latency 224.346 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 522 0.18 MB/sec execute 40 sec latency 221.571 ms 1 600 0.24 MB/sec execute 41 sec latency 136.541 ms 1 642 0.24 MB/sec execute 42 sec latency 145.272 ms 1 671 0.24 MB/sec execute 43 sec latency 334.985 ms 1 692 0.23 MB/sec execute 44 sec latency 185.218 ms 1 718 0.23 MB/sec execute 45 sec latency 157.104 ms 1 733 0.22 MB/sec execute 46 sec latency 283.709 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3692544 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7419904 1% /mnt/lustre 1 759 0.22 MB/sec execute 47 sec latency 161.593 ms 1 779 0.22 MB/sec execute 48 sec latency 190.513 ms 1 798 0.21 MB/sec execute 49 sec latency 232.561 ms 1 821 0.21 MB/sec execute 50 sec latency 147.180 ms 1 864 0.21 MB/sec execute 51 sec latency 133.887 ms 1 882 0.21 MB/sec execute 52 sec latency 414.241 ms 1 913 0.20 MB/sec execute 53 sec latency 148.000 ms test_26 fail mds1 2 times 1 933 0.20 MB/sec execute 54 sec latency 188.081 ms 1 967 0.20 MB/sec execute 55 sec latency 119.561 ms Failing mds1 on oleg147-server 1 980 0.19 MB/sec execute 56 sec latency 264.293 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 1006 0.20 MB/sec execute 57 sec latency 374.121 ms 1 1054 0.21 MB/sec execute 58 sec latency 94.706 ms 1 1054 0.20 MB/sec execute 59 sec latency 1028.619 ms 1 1054 0.20 MB/sec execute 60 sec latency 2029.131 ms 20:09:03 (1786752543) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 1054 0.20 MB/sec execute 61 sec latency 3029.647 ms 1 1054 0.19 MB/sec execute 62 sec latency 4030.949 ms 1 1054 0.19 MB/sec execute 63 sec latency 5031.248 ms 1 1054 0.19 MB/sec execute 64 sec latency 6031.509 ms 1 1054 0.18 MB/sec execute 65 sec latency 7031.808 ms 1 1054 0.18 MB/sec execute 66 sec latency 8032.410 ms 1 1054 0.18 MB/sec execute 67 sec latency 9032.763 ms 1 1054 0.18 MB/sec execute 68 sec latency 10033.439 ms 1 1054 0.17 MB/sec execute 69 sec latency 11033.840 ms 1 1054 0.17 MB/sec execute 70 sec latency 12035.796 ms 1 1054 0.17 MB/sec execute 71 sec latency 13036.575 ms Failover mds1 to oleg147-server mount facets: mds1 1 1054 0.17 MB/sec execute 72 sec latency 14041.841 ms 1 1054 0.16 MB/sec execute 73 sec latency 15042.080 ms 1 1054 0.16 MB/sec execute 74 sec latency 16043.409 ms 1 1054 0.16 MB/sec execute 75 sec latency 17043.701 ms 1 1054 0.16 MB/sec execute 76 sec latency 18044.236 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1054 0.15 MB/sec execute 77 sec latency 19044.836 ms 1 1054 0.15 MB/sec execute 78 sec latency 20045.153 ms 1 1054 0.15 MB/sec execute 79 sec latency 21045.599 ms 1 1054 0.15 MB/sec execute 80 sec latency 22045.949 ms 1 1054 0.15 MB/sec execute 81 sec latency 23046.234 ms 1 1054 0.15 MB/sec execute 82 sec latency 24046.652 ms 1 1054 0.14 MB/sec execute 83 sec latency 25046.976 ms 1 1054 0.14 MB/sec execute 84 sec latency 26047.578 ms 1 1054 0.14 MB/sec execute 85 sec latency 27047.979 ms 1 1054 0.14 MB/sec execute 86 sec latency 28048.238 ms 1 1054 0.14 MB/sec execute 87 sec latency 29048.596 ms 1 1054 0.14 MB/sec execute 88 sec latency 30050.015 ms 1 1054 0.13 MB/sec execute 89 sec latency 31052.192 ms 1 1054 0.13 MB/sec execute 90 sec latency 32053.436 ms 1 1054 0.13 MB/sec execute 91 sec latency 33057.193 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 1054 0.13 MB/sec execute 92 sec latency 34057.528 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 1054 0.13 MB/sec execute 93 sec latency 35059.738 ms Started lustre-MDT0000 20:09:36 (1786752576) targets are mounted 20:09:36 (1786752576) facet_failover done 1 1054 0.13 MB/sec execute 94 sec latency 36061.813 ms 1 1054 0.13 MB/sec execute 95 sec latency 37062.028 ms 1 1054 0.12 MB/sec execute 96 sec latency 38063.367 ms 1 1054 0.12 MB/sec execute 97 sec latency 39063.984 ms 1 1054 0.12 MB/sec execute 98 sec latency 40065.131 ms 1 1054 0.12 MB/sec execute 99 sec latency 41065.583 ms 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 108 495.882 42034.985 Close 96 463.363 42940.089 Rename 4 143.861 229.775 Unlink 10 41.528 72.417 Qpathinfo 36 31.094 107.355 Qfileinfo 52 2.870 7.993 Qfsinfo 23 6.196 45.810 Sfileinfo 18 71.413 97.915 Find 29 10.440 51.550 WriteX 260 16.872 104.181 ReadX 98 5.913 88.983 Flush 24 156.612 414.217 Throughput 0.120306 MB/sec 1 clients 1 procs max_latency=42035.001 ms stopping dbench on /mnt/lustre at Fri Aug 14 20:09:47 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 Fri Aug 14 20:09:53 EDT 2026 waiting for dbench pid 47230 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 45.422 ms 1 92 2.09 MB/sec warmup 2 sec latency 159.117 ms 1 138 2.00 MB/sec warmup 3 sec latency 178.860 ms 1 160 1.63 MB/sec warmup 4 sec latency 206.462 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 65536 3680256 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3731456 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 67584 7411712 1% /mnt/lustre 1 190 1.51 MB/sec warmup 5 sec latency 176.554 ms 1 223 1.43 MB/sec warmup 6 sec latency 144.987 ms 1 261 1.40 MB/sec warmup 7 sec latency 144.247 ms 1 290 1.33 MB/sec warmup 8 sec latency 137.539 ms 1 341 1.36 MB/sec warmup 9 sec latency 95.882 ms 1 386 1.36 MB/sec warmup 10 sec latency 120.572 ms test_26 fail mds1 3 times 1 429 1.37 MB/sec warmup 11 sec latency 123.202 ms 1 468 1.36 MB/sec warmup 12 sec latency 142.395 ms Failing mds1 on oleg147-server 1 503 1.34 MB/sec warmup 13 sec latency 140.016 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 541 1.36 MB/sec warmup 14 sec latency 167.614 ms 1 600 1.39 MB/sec warmup 15 sec latency 397.887 ms 1 600 1.31 MB/sec warmup 16 sec latency 1398.110 ms 20:10:10 (1786752610) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 600 1.23 MB/sec warmup 17 sec latency 2398.401 ms 1 600 1.16 MB/sec warmup 18 sec latency 3399.206 ms 1 600 1.10 MB/sec warmup 19 sec latency 4399.510 ms 1 600 0.00 MB/sec execute 1 sec latency 6409.782 ms 1 600 0.00 MB/sec execute 2 sec latency 7410.355 ms 1 600 0.00 MB/sec execute 3 sec latency 8410.603 ms 1 600 0.00 MB/sec execute 4 sec latency 9411.707 ms 1 600 0.00 MB/sec execute 5 sec latency 10411.926 ms 1 600 0.00 MB/sec execute 6 sec latency 11413.635 ms 1 600 0.00 MB/sec execute 7 sec latency 12429.629 ms Failover mds1 to oleg147-server mount facets: mds1 1 600 0.00 MB/sec execute 8 sec latency 13430.611 ms 1 600 0.00 MB/sec execute 9 sec latency 14433.136 ms 1 600 0.00 MB/sec execute 10 sec latency 15433.408 ms 1 600 0.00 MB/sec execute 11 sec latency 16433.751 ms 1 600 0.00 MB/sec execute 12 sec latency 17437.357 ms 1 600 0.00 MB/sec execute 13 sec latency 18440.218 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 14 sec latency 19441.857 ms 1 600 0.00 MB/sec execute 15 sec latency 20442.420 ms 1 600 0.00 MB/sec execute 16 sec latency 21442.686 ms 1 600 0.00 MB/sec execute 17 sec latency 22443.117 ms 1 600 0.00 MB/sec execute 18 sec latency 23443.454 ms 1 600 0.00 MB/sec execute 19 sec latency 24444.656 ms 1 600 0.00 MB/sec execute 20 sec latency 25446.268 ms 1 600 0.00 MB/sec execute 21 sec latency 26448.564 ms 1 600 0.00 MB/sec execute 22 sec latency 27451.746 ms 1 600 0.00 MB/sec execute 23 sec latency 28453.788 ms 1 600 0.00 MB/sec execute 24 sec latency 29456.929 ms 1 600 0.00 MB/sec execute 25 sec latency 30457.633 ms 1 600 0.00 MB/sec execute 26 sec latency 31459.511 ms 1 600 0.00 MB/sec execute 27 sec latency 32459.691 ms 1 600 0.00 MB/sec execute 28 sec latency 33460.025 ms 1 600 0.00 MB/sec execute 29 sec latency 34467.586 ms 1 600 0.00 MB/sec execute 30 sec latency 35469.381 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 31 sec latency 36469.747 ms 1 600 0.00 MB/sec execute 32 sec latency 37471.350 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 33 sec latency 38471.598 ms Started lustre-MDT0000 20:10:47 (1786752647) targets are mounted 20:10:47 (1786752647) facet_failover done 1 600 0.00 MB/sec execute 34 sec latency 39473.534 ms 1 600 0.00 MB/sec execute 35 sec latency 40473.778 ms 1 600 0.00 MB/sec execute 36 sec latency 41474.002 ms 1 600 0.00 MB/sec execute 37 sec latency 42474.248 ms 1 600 0.00 MB/sec execute 38 sec latency 43474.477 ms 1 600 0.00 MB/sec execute 39 sec latency 44474.690 ms 1 600 0.00 MB/sec execute 40 sec latency 45477.309 ms 1 600 0.00 MB/sec execute 41 sec latency 46477.890 ms 1 600 0.00 MB/sec execute 42 sec latency 47478.097 ms 1 636 0.00 MB/sec execute 43 sec latency 47872.608 ms 1 664 0.00 MB/sec execute 44 sec latency 137.988 ms 1 689 0.00 MB/sec execute 45 sec latency 280.537 ms 1 721 0.01 MB/sec execute 46 sec latency 116.316 ms 1 743 0.01 MB/sec execute 47 sec latency 245.189 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 781 0.01 MB/sec execute 48 sec latency 124.593 ms 1 804 0.01 MB/sec execute 49 sec latency 195.528 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 849 0.01 MB/sec execute 50 sec latency 155.378 ms 1 876 0.01 MB/sec execute 51 sec latency 327.963 ms 1 902 0.01 MB/sec execute 52 sec latency 140.964 ms 1 923 0.02 MB/sec execute 53 sec latency 177.489 ms 1 970 0.02 MB/sec execute 54 sec latency 117.300 ms 1 992 0.02 MB/sec execute 55 sec latency 183.899 ms 1 1033 0.03 MB/sec execute 56 sec latency 168.559 ms 1 1100 0.03 MB/sec execute 57 sec latency 67.194 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1149 0.03 MB/sec execute 58 sec latency 109.998 ms 1 1196 0.04 MB/sec execute 59 sec latency 80.997 ms 1 1231 0.04 MB/sec execute 60 sec latency 101.467 ms 1 1278 0.04 MB/sec execute 61 sec latency 112.512 ms 1 1424 0.08 MB/sec execute 62 sec latency 71.233 ms 1 1490 0.08 MB/sec execute 63 sec latency 203.435 ms 1 1534 0.08 MB/sec execute 64 sec latency 87.660 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 20:11:19 EDT 2026 with return code 0 1 1591 0.08 MB/sec execute 65 sec latency 49.775 ms 47230 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47230 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished