== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:57:01 (1784941021) Starting client oleg139-client.virtnet: -o user_xattr,flock 192.168.201.139@tcp:/lustre /mnt/lustre Started clients oleg139-client.virtnet: 192.168.201.139@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 44992 Started dbench loop with 44993 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 2048 3765248 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 22528 3729408 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7494656 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 Jul 24 20:57:06 EDT 2026 waiting for dbench pid 45053 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 34 1.05 MB/sec warmup 1 sec latency 141.703 ms 1 98 2.22 MB/sec warmup 2 sec latency 123.185 ms 1 137 2.00 MB/sec warmup 3 sec latency 161.356 ms 1 174 1.76 MB/sec warmup 4 sec latency 110.436 ms test_26 fail mds1 1 times 1 207 1.62 MB/sec warmup 5 sec latency 169.159 ms 1 239 1.52 MB/sec warmup 6 sec latency 176.513 ms Failing mds1 on oleg139-server 1 271 1.45 MB/sec warmup 7 sec latency 160.565 ms Stopping /mnt/lustre-mds1 (opts:) on oleg139-server 1 298 1.37 MB/sec warmup 8 sec latency 202.209 ms 1 330 1.33 MB/sec warmup 9 sec latency 229.977 ms 1 330 1.20 MB/sec warmup 10 sec latency 1231.051 ms 1 330 1.09 MB/sec warmup 11 sec latency 2233.709 ms 20:57:18 (1784941038) shut down facet: mds1 facet_host: oleg139-server facet_failover_host: oleg139-server 1 330 1.00 MB/sec warmup 12 sec latency 3233.964 ms 1 330 0.92 MB/sec warmup 13 sec latency 4234.167 ms 1 330 0.86 MB/sec warmup 14 sec latency 5237.290 ms 1 330 0.80 MB/sec warmup 15 sec latency 6237.640 ms 1 330 0.75 MB/sec warmup 16 sec latency 7237.864 ms 1 330 0.71 MB/sec warmup 17 sec latency 8238.067 ms 1 330 0.67 MB/sec warmup 18 sec latency 9238.656 ms 1 330 0.63 MB/sec warmup 19 sec latency 10239.188 ms 1 330 0.00 MB/sec execute 1 sec latency 12239.519 ms Failover mds1 to oleg139-server mount facets: mds1 1 330 0.00 MB/sec execute 2 sec latency 13239.666 ms 1 330 0.00 MB/sec execute 3 sec latency 14240.796 ms 1 330 0.00 MB/sec execute 4 sec latency 15241.369 ms 1 330 0.00 MB/sec execute 5 sec latency 16243.536 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 330 0.00 MB/sec execute 6 sec latency 17244.463 ms 1 330 0.00 MB/sec execute 7 sec latency 18247.064 ms 1 330 0.00 MB/sec execute 8 sec latency 19247.724 ms 1 330 0.00 MB/sec execute 9 sec latency 20268.843 ms 1 330 0.00 MB/sec execute 10 sec latency 21269.271 ms 1 330 0.00 MB/sec execute 11 sec latency 22269.579 ms 1 330 0.00 MB/sec execute 12 sec latency 23269.852 ms oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 354 0.05 MB/sec execute 13 sec latency 23402.308 ms 1 396 0.15 MB/sec execute 14 sec latency 162.933 ms pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 430 0.21 MB/sec execute 15 sec latency 132.017 ms Started lustre-MDT0000 20:57:42 (1784941062) targets are mounted 20:57:42 (1784941062) facet_failover done 1 468 0.28 MB/sec execute 16 sec latency 152.539 ms 1 503 0.32 MB/sec execute 17 sec latency 140.199 ms 1 542 0.39 MB/sec execute 18 sec latency 210.152 ms 1 636 0.48 MB/sec execute 19 sec latency 124.595 ms 1 664 0.46 MB/sec execute 20 sec latency 299.501 ms 1 685 0.44 MB/sec execute 21 sec latency 389.792 ms 1 710 0.42 MB/sec execute 22 sec latency 137.735 ms oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 726 0.40 MB/sec execute 23 sec latency 265.628 ms 1 747 0.39 MB/sec execute 24 sec latency 162.005 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 777 0.37 MB/sec execute 25 sec latency 145.472 ms 1 796 0.36 MB/sec execute 26 sec latency 266.371 ms 1 817 0.35 MB/sec execute 27 sec latency 148.198 ms 1 873 0.34 MB/sec execute 28 sec latency 143.655 ms 1 892 0.33 MB/sec execute 29 sec latency 327.461 ms 1 916 0.32 MB/sec execute 30 sec latency 222.308 ms 1 952 0.32 MB/sec execute 31 sec latency 109.520 ms 1 976 0.31 MB/sec execute 32 sec latency 132.110 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 17408 3713024 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3681280 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7394304 1% /mnt/lustre 1 990 0.30 MB/sec execute 33 sec latency 284.378 ms 1 1060 0.32 MB/sec execute 34 sec latency 107.014 ms 1 1105 0.31 MB/sec execute 35 sec latency 112.005 ms 1 1148 0.30 MB/sec execute 36 sec latency 138.128 ms 1 1197 0.30 MB/sec execute 37 sec latency 88.994 ms test_26 fail mds1 2 times 1 1236 0.29 MB/sec execute 38 sec latency 101.764 ms 1 1268 0.29 MB/sec execute 39 sec latency 129.157 ms Failing mds1 on oleg139-server 1 1391 0.35 MB/sec execute 40 sec latency 179.474 ms Stopping /mnt/lustre-mds1 (opts:) on oleg139-server 1 1428 0.34 MB/sec execute 41 sec latency 118.390 ms 1 1468 0.33 MB/sec execute 42 sec latency 116.421 ms 1 1468 0.33 MB/sec execute 43 sec latency 1116.716 ms 1 1468 0.32 MB/sec execute 44 sec latency 2117.745 ms 1 1468 0.31 MB/sec execute 45 sec latency 3118.166 ms 1 1468 0.30 MB/sec execute 46 sec latency 4118.443 ms 1 1468 0.30 MB/sec execute 47 sec latency 5118.720 ms 1 1468 0.29 MB/sec execute 48 sec latency 6119.021 ms 1 1468 0.29 MB/sec execute 49 sec latency 7119.656 ms 1 1468 0.28 MB/sec execute 50 sec latency 8119.894 ms 20:58:17 (1784941097) shut down facet: mds1 facet_host: oleg139-server facet_failover_host: oleg139-server 1 1468 0.27 MB/sec execute 51 sec latency 9120.461 ms 1 1468 0.27 MB/sec execute 52 sec latency 10120.685 ms 1 1468 0.26 MB/sec execute 53 sec latency 11120.875 ms 1 1468 0.26 MB/sec execute 54 sec latency 12121.909 ms 1 1468 0.25 MB/sec execute 55 sec latency 13122.171 ms 1 1468 0.25 MB/sec execute 56 sec latency 14123.996 ms 1 1468 0.25 MB/sec execute 57 sec latency 15127.407 ms 1 1468 0.24 MB/sec execute 58 sec latency 16127.642 ms 1 1468 0.24 MB/sec execute 59 sec latency 17127.859 ms 1 1468 0.23 MB/sec execute 60 sec latency 18128.189 ms 1 1468 0.23 MB/sec execute 61 sec latency 19141.205 ms Failover mds1 to oleg139-server mount facets: mds1 1 1468 0.23 MB/sec execute 62 sec latency 20143.480 ms 1 1468 0.22 MB/sec execute 63 sec latency 21143.998 ms 1 1468 0.22 MB/sec execute 64 sec latency 22145.714 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1468 0.22 MB/sec execute 65 sec latency 23161.691 ms 1 1468 0.21 MB/sec execute 66 sec latency 24162.257 ms 1 1468 0.21 MB/sec execute 67 sec latency 25162.620 ms 1 1468 0.21 MB/sec execute 68 sec latency 26162.913 ms 1 1468 0.20 MB/sec execute 69 sec latency 27163.156 ms 1 1468 0.20 MB/sec execute 70 sec latency 28163.398 ms 1 1468 0.20 MB/sec execute 71 sec latency 29163.645 ms 1 1468 0.19 MB/sec execute 72 sec latency 30164.743 ms 1 1468 0.19 MB/sec execute 73 sec latency 31165.512 ms 1 1468 0.19 MB/sec execute 74 sec latency 32165.878 ms 1 1468 0.19 MB/sec execute 75 sec latency 33166.135 ms 1 1468 0.18 MB/sec execute 76 sec latency 34172.080 ms 1 1468 0.18 MB/sec execute 77 sec latency 35177.734 ms 1 1468 0.18 MB/sec execute 78 sec latency 36177.929 ms 1 1468 0.18 MB/sec execute 79 sec latency 37180.782 ms 1 1468 0.18 MB/sec execute 80 sec latency 38181.195 ms 1 1468 0.17 MB/sec execute 81 sec latency 39181.473 ms oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 1468 0.17 MB/sec execute 82 sec latency 40184.869 ms pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 1468 0.17 MB/sec execute 83 sec latency 41185.465 ms Started lustre-MDT0000 20:58:50 (1784941130) targets are mounted 20:58:50 (1784941130) facet_failover done 1 1468 0.17 MB/sec execute 84 sec latency 42185.762 ms 1 1468 0.16 MB/sec execute 85 sec latency 43191.718 ms 1 1468 0.16 MB/sec execute 86 sec latency 44191.899 ms 1 1468 0.16 MB/sec execute 87 sec latency 45192.908 ms 1 1468 0.16 MB/sec execute 88 sec latency 46193.199 ms 1 1468 0.16 MB/sec execute 89 sec latency 47195.197 ms 1 1468 0.16 MB/sec execute 90 sec latency 48195.917 ms 1 1468 0.15 MB/sec execute 91 sec latency 49201.048 ms 1 1468 0.15 MB/sec execute 92 sec latency 50201.916 ms 1 1468 0.15 MB/sec execute 93 sec latency 51202.673 ms 1 1468 0.15 MB/sec execute 94 sec latency 52202.963 ms 1 1468 0.15 MB/sec execute 95 sec latency 53203.230 ms 1 1468 0.15 MB/sec execute 96 sec latency 54205.451 ms 1 1468 0.14 MB/sec execute 97 sec latency 55208.903 ms 1 1468 0.14 MB/sec execute 98 sec latency 56218.165 ms 1 1481 0.14 MB/sec execute 99 sec latency 56702.164 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 177 398.748 56702.132 Close 154 166.686 23402.276 Rename 10 104.616 186.862 Unlink 20 32.858 59.955 Qpathinfo 116 20.724 98.098 Qfileinfo 62 1.977 11.077 Qfsinfo 33 3.818 16.470 Sfileinfo 34 62.636 120.547 Find 52 8.078 51.751 WriteX 275 13.050 72.524 ReadX 235 2.641 77.189 Flush 25 159.450 389.770 Throughput 0.141536 MB/sec 1 clients 1 procs max_latency=56702.164 ms stopping dbench on /mnt/lustre at Fri Jul 24 20:59:10 EDT 2026 with return code 0 oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Jul 24 20:59:17 EDT 2026 waiting for dbench pid 47004 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 27.346 ms 1 83 1.87 MB/sec warmup 2 sec latency 147.317 ms 1 113 1.74 MB/sec warmup 3 sec latency 195.464 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 22528 3718144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3712000 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7430144 1% /mnt/lustre 1 146 1.56 MB/sec warmup 4 sec latency 169.352 ms 1 168 1.36 MB/sec warmup 5 sec latency 222.232 ms 1 197 1.30 MB/sec warmup 6 sec latency 225.997 ms 1 221 1.22 MB/sec warmup 7 sec latency 188.303 ms 1 250 1.17 MB/sec warmup 8 sec latency 171.119 ms 1 279 1.16 MB/sec warmup 9 sec latency 178.819 ms 1 308 1.12 MB/sec warmup 10 sec latency 149.246 ms test_26 fail mds1 3 times 1 338 1.11 MB/sec warmup 11 sec latency 201.237 ms 1 357 1.06 MB/sec warmup 12 sec latency 178.862 ms 1 381 1.04 MB/sec warmup 13 sec latency 212.649 ms Failing mds1 on oleg139-server 1 406 1.02 MB/sec warmup 14 sec latency 230.165 ms Stopping /mnt/lustre-mds1 (opts:) on oleg139-server 1 437 1.02 MB/sec warmup 15 sec latency 156.392 ms 1 469 1.02 MB/sec warmup 16 sec latency 191.939 ms 1 476 0.98 MB/sec warmup 17 sec latency 725.787 ms 1 476 0.92 MB/sec warmup 18 sec latency 1733.687 ms 1 476 0.88 MB/sec warmup 19 sec latency 2735.336 ms 20:59:37 (1784941177) shut down facet: mds1 facet_host: oleg139-server facet_failover_host: oleg139-server 1 476 0.00 MB/sec execute 1 sec latency 4736.198 ms 1 476 0.00 MB/sec execute 2 sec latency 5738.290 ms 1 476 0.00 MB/sec execute 3 sec latency 6739.811 ms 1 476 0.00 MB/sec execute 4 sec latency 7740.676 ms 1 476 0.00 MB/sec execute 5 sec latency 8742.544 ms 1 476 0.00 MB/sec execute 6 sec latency 9742.780 ms 1 476 0.00 MB/sec execute 7 sec latency 10743.181 ms 1 476 0.00 MB/sec execute 8 sec latency 11743.358 ms 1 476 0.00 MB/sec execute 9 sec latency 12743.802 ms Failover mds1 to oleg139-server mount facets: mds1 1 476 0.00 MB/sec execute 10 sec latency 13747.951 ms 1 476 0.00 MB/sec execute 11 sec latency 14750.559 ms 1 476 0.00 MB/sec execute 12 sec latency 15750.835 ms 1 476 0.00 MB/sec execute 13 sec latency 16751.258 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 476 0.00 MB/sec execute 14 sec latency 17751.855 ms 1 476 0.00 MB/sec execute 15 sec latency 18753.382 ms 1 476 0.00 MB/sec execute 16 sec latency 19753.720 ms 1 476 0.00 MB/sec execute 17 sec latency 20754.125 ms 1 476 0.00 MB/sec execute 18 sec latency 21754.399 ms 1 476 0.00 MB/sec execute 19 sec latency 22754.656 ms oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 20 sec latency 23755.774 ms pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 21 sec latency 24756.163 ms Started lustre-MDT0000 20:59:59 (1784941199) targets are mounted 20:59:59 (1784941199) facet_failover done 1 476 0.00 MB/sec execute 22 sec latency 25758.117 ms 1 476 0.00 MB/sec execute 23 sec latency 26758.289 ms 1 476 0.00 MB/sec execute 24 sec latency 27760.778 ms 1 476 0.00 MB/sec execute 25 sec latency 28761.715 ms 1 476 0.00 MB/sec execute 26 sec latency 29761.963 ms 1 476 0.00 MB/sec execute 27 sec latency 30762.282 ms 1 476 0.00 MB/sec execute 28 sec latency 31763.130 ms 1 476 0.00 MB/sec execute 29 sec latency 32763.487 ms 1 476 0.00 MB/sec execute 30 sec latency 33765.298 ms 1 476 0.00 MB/sec execute 31 sec latency 34765.515 ms 1 476 0.00 MB/sec execute 32 sec latency 35766.520 ms 1 476 0.00 MB/sec execute 33 sec latency 36767.558 ms 1 476 0.00 MB/sec execute 34 sec latency 37769.895 ms 1 476 0.00 MB/sec execute 35 sec latency 38770.739 ms 1 476 0.00 MB/sec execute 36 sec latency 39772.079 ms 1 476 0.00 MB/sec execute 37 sec latency 40775.064 ms 1 485 0.01 MB/sec execute 38 sec latency 41344.265 ms 1 511 0.03 MB/sec execute 39 sec latency 206.866 ms 1 542 0.06 MB/sec execute 40 sec latency 270.230 ms 1 639 0.11 MB/sec execute 41 sec latency 142.320 ms 1 664 0.11 MB/sec execute 42 sec latency 231.490 ms 1 685 0.10 MB/sec execute 43 sec latency 311.450 ms oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 710 0.10 MB/sec execute 44 sec latency 138.554 ms 1 728 0.10 MB/sec execute 45 sec latency 308.585 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 765 0.10 MB/sec execute 46 sec latency 117.292 ms 1 786 0.10 MB/sec execute 47 sec latency 157.294 ms 1 804 0.10 MB/sec execute 48 sec latency 311.774 ms 1 851 0.10 MB/sec execute 49 sec latency 106.798 ms 1 878 0.10 MB/sec execute 50 sec latency 357.497 ms 1 905 0.10 MB/sec execute 51 sec latency 112.573 ms 1 949 0.10 MB/sec execute 52 sec latency 137.251 ms 1 981 0.10 MB/sec execute 53 sec latency 248.253 ms 1 1042 0.11 MB/sec execute 54 sec latency 110.828 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1082 0.11 MB/sec execute 55 sec latency 113.605 ms 1 1132 0.11 MB/sec execute 56 sec latency 126.529 ms 1 1174 0.11 MB/sec execute 57 sec latency 115.119 ms 1 1208 0.11 MB/sec execute 58 sec latency 155.914 ms 1 1240 0.11 MB/sec execute 59 sec latency 117.199 ms 1 1277 0.11 MB/sec execute 60 sec latency 115.070 ms 1 1401 0.15 MB/sec execute 61 sec latency 98.562 ms 1 1428 0.15 MB/sec execute 62 sec latency 154.564 ms 1 1470 0.15 MB/sec execute 63 sec latency 105.332 ms 1 1501 0.15 MB/sec execute 64 sec latency 205.379 ms 1 1551 0.14 MB/sec execute 65 sec latency 115.867 ms 1 1582 0.14 MB/sec execute 66 sec latency 83.996 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jul 24 21:00:44 EDT 2026 with return code 0 47004 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47004 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished