== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:22:50 (1787379770) Starting client oleg655-client.virtnet: -o user_xattr,flock 192.168.206.155@tcp:/lustre /mnt/lustre Started clients oleg655-client.virtnet: 192.168.206.155@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44942 Started dbench loop with 44944 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 6144 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7490560 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 Sat Aug 22 02:22:55 EDT 2026 waiting for dbench pid 44999 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 23 0.59 MB/sec warmup 1 sec latency 145.967 ms 1 70 1.57 MB/sec warmup 2 sec latency 159.606 ms 1 111 1.75 MB/sec warmup 3 sec latency 143.353 ms 1 142 1.50 MB/sec warmup 4 sec latency 147.645 ms 1 176 1.41 MB/sec warmup 5 sec latency 140.839 ms test_26 fail mds1 1 times 1 215 1.39 MB/sec warmup 6 sec latency 157.979 ms 1 252 1.36 MB/sec warmup 7 sec latency 140.977 ms Failing mds1 on oleg655-server 1 287 1.34 MB/sec warmup 8 sec latency 143.208 ms Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 313 1.27 MB/sec warmup 9 sec latency 145.295 ms 1 342 1.22 MB/sec warmup 10 sec latency 147.049 ms 1 348 1.14 MB/sec warmup 11 sec latency 867.921 ms 1 348 1.04 MB/sec warmup 12 sec latency 1868.177 ms 02:23:08 (1787379788) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 348 0.96 MB/sec warmup 13 sec latency 2871.011 ms 1 348 0.89 MB/sec warmup 14 sec latency 3871.239 ms 1 348 0.83 MB/sec warmup 15 sec latency 4871.475 ms 1 348 0.78 MB/sec warmup 16 sec latency 5872.414 ms 1 348 0.74 MB/sec warmup 17 sec latency 6873.481 ms 1 348 0.69 MB/sec warmup 18 sec latency 7873.721 ms 1 348 0.66 MB/sec warmup 19 sec latency 8873.980 ms 1 348 0.00 MB/sec execute 1 sec latency 10874.493 ms 1 348 0.00 MB/sec execute 2 sec latency 11874.827 ms 1 348 0.00 MB/sec execute 3 sec latency 12876.988 ms Failover mds1 to oleg655-server mount facets: mds1 1 348 0.00 MB/sec execute 4 sec latency 13877.311 ms 1 348 0.00 MB/sec execute 5 sec latency 14877.954 ms 1 348 0.00 MB/sec execute 6 sec latency 15878.193 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 7 sec latency 16887.955 ms 1 348 0.00 MB/sec execute 8 sec latency 17888.198 ms 1 348 0.00 MB/sec execute 9 sec latency 18888.411 ms 1 348 0.00 MB/sec execute 10 sec latency 19889.536 ms 1 348 0.00 MB/sec execute 11 sec latency 20890.513 ms 1 348 0.00 MB/sec execute 12 sec latency 21891.952 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 13 sec latency 22892.513 ms 1 349 0.00 MB/sec execute 14 sec latency 23856.547 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 374 0.05 MB/sec execute 15 sec latency 284.209 ms Started lustre-MDT0000 02:23:31 (1787379811) targets are mounted 02:23:31 (1787379811) facet_failover done 1 414 0.13 MB/sec execute 16 sec latency 126.943 ms 1 453 0.20 MB/sec execute 17 sec latency 140.338 ms 1 489 0.25 MB/sec execute 18 sec latency 186.634 ms 1 514 0.27 MB/sec execute 19 sec latency 163.640 ms 1 578 0.35 MB/sec execute 20 sec latency 187.290 ms 1 642 0.41 MB/sec execute 21 sec latency 122.258 ms 1 671 0.39 MB/sec execute 22 sec latency 198.612 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 699 0.38 MB/sec execute 23 sec latency 119.622 ms 1 721 0.36 MB/sec execute 24 sec latency 260.353 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 738 0.35 MB/sec execute 25 sec latency 372.469 ms 1 777 0.34 MB/sec execute 26 sec latency 107.452 ms 1 796 0.33 MB/sec execute 27 sec latency 233.877 ms 1 827 0.32 MB/sec execute 28 sec latency 104.263 ms 1 874 0.31 MB/sec execute 29 sec latency 176.981 ms 1 904 0.30 MB/sec execute 30 sec latency 134.881 ms 1 935 0.30 MB/sec execute 31 sec latency 222.060 ms 1 969 0.29 MB/sec execute 32 sec latency 119.607 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3717120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3700736 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7417856 1% /mnt/lustre 1 985 0.28 MB/sec execute 33 sec latency 314.964 ms 1 1051 0.30 MB/sec execute 34 sec latency 102.532 ms 1 1095 0.30 MB/sec execute 35 sec latency 117.092 ms 1 1142 0.29 MB/sec execute 36 sec latency 91.302 ms 1 1182 0.28 MB/sec execute 37 sec latency 100.422 ms 1 1225 0.28 MB/sec execute 38 sec latency 94.670 ms test_26 fail mds1 2 times 1 1268 0.27 MB/sec execute 39 sec latency 101.296 ms Failing mds1 on oleg655-server 1 1403 0.34 MB/sec execute 40 sec latency 77.422 ms Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 1451 0.33 MB/sec execute 41 sec latency 139.852 ms 1 1487 0.32 MB/sec execute 42 sec latency 230.022 ms 1 1487 0.31 MB/sec execute 43 sec latency 1107.616 ms 1 1487 0.31 MB/sec execute 44 sec latency 2107.854 ms 02:24:00 (1787379840) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 1487 0.30 MB/sec execute 45 sec latency 3108.106 ms 1 1487 0.29 MB/sec execute 46 sec latency 4108.453 ms 1 1487 0.29 MB/sec execute 47 sec latency 5109.530 ms 1 1487 0.28 MB/sec execute 48 sec latency 6109.789 ms 1 1487 0.28 MB/sec execute 49 sec latency 7110.313 ms 1 1487 0.27 MB/sec execute 50 sec latency 8110.674 ms 1 1487 0.26 MB/sec execute 51 sec latency 9110.913 ms 1 1487 0.26 MB/sec execute 52 sec latency 10111.111 ms 1 1487 0.25 MB/sec execute 53 sec latency 11111.370 ms 1 1487 0.25 MB/sec execute 54 sec latency 12111.617 ms Failover mds1 to oleg655-server mount facets: mds1 1 1487 0.25 MB/sec execute 55 sec latency 13123.163 ms 1 1487 0.24 MB/sec execute 56 sec latency 14125.373 ms 1 1487 0.24 MB/sec execute 57 sec latency 15126.451 ms 1 1487 0.23 MB/sec execute 58 sec latency 16126.704 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1487 0.23 MB/sec execute 59 sec latency 17126.965 ms 1 1487 0.23 MB/sec execute 60 sec latency 18128.585 ms 1 1487 0.22 MB/sec execute 61 sec latency 19130.129 ms 1 1487 0.22 MB/sec execute 62 sec latency 20130.309 ms 1 1487 0.21 MB/sec execute 63 sec latency 21130.612 ms 1 1487 0.21 MB/sec execute 64 sec latency 22131.555 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 1487 0.21 MB/sec execute 65 sec latency 23131.854 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 1487 0.20 MB/sec execute 66 sec latency 24132.730 ms Started lustre-MDT0000 02:24:22 (1787379862) targets are mounted 02:24:22 (1787379862) facet_failover done 1 1528 0.20 MB/sec execute 67 sec latency 24359.398 ms 1 1588 0.20 MB/sec execute 68 sec latency 65.112 ms 1 1599 0.20 MB/sec execute 69 sec latency 741.440 ms 1 1632 0.19 MB/sec execute 70 sec latency 172.943 ms 1 1672 0.19 MB/sec execute 71 sec latency 361.799 ms 1 1711 0.19 MB/sec execute 72 sec latency 127.682 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1771 0.19 MB/sec execute 73 sec latency 98.683 ms 1 1823 0.19 MB/sec execute 74 sec latency 104.622 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1877 0.18 MB/sec execute 75 sec latency 106.522 ms 1 1938 0.18 MB/sec execute 76 sec latency 151.170 ms 1 1996 0.18 MB/sec execute 77 sec latency 93.782 ms 1 2031 0.18 MB/sec execute 78 sec latency 90.597 ms 1 2136 0.18 MB/sec execute 79 sec latency 55.404 ms 1 2175 0.18 MB/sec execute 80 sec latency 93.214 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2816 2205696 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 25600 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 48128 3702784 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7442432 1% /mnt/lustre 1 2233 0.18 MB/sec execute 81 sec latency 137.842 ms 1 2302 0.19 MB/sec execute 82 sec latency 93.146 ms 1 2355 0.18 MB/sec execute 83 sec latency 203.328 ms 1 2386 0.18 MB/sec execute 84 sec latency 194.067 ms 1 2417 0.18 MB/sec execute 85 sec latency 175.296 ms 1 2467 0.19 MB/sec execute 86 sec latency 85.720 ms test_26 fail mds1 3 times 1 2505 0.19 MB/sec execute 87 sec latency 207.688 ms 1 2577 0.19 MB/sec execute 88 sec latency 99.704 ms Failing mds1 on oleg655-server 1 2614 0.19 MB/sec execute 89 sec latency 128.701 ms Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 2768 0.22 MB/sec execute 90 sec latency 96.662 ms 1 2776 0.21 MB/sec execute 91 sec latency 730.740 ms 1 2776 0.21 MB/sec execute 92 sec latency 1732.719 ms 1 2776 0.21 MB/sec execute 93 sec latency 2732.943 ms 1 2776 0.21 MB/sec execute 94 sec latency 3733.211 ms 1 2776 0.20 MB/sec execute 95 sec latency 4735.561 ms 1 2776 0.20 MB/sec execute 96 sec latency 5735.818 ms 1 2776 0.20 MB/sec execute 97 sec latency 6736.053 ms 1 2776 0.20 MB/sec execute 98 sec latency 7736.334 ms 02:24:54 (1787379894) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 2776 0.20 MB/sec execute 99 sec latency 8738.855 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec Failover mds1 to oleg655-server mount facets: mds1 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 cleanup 118 sec pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 cleanup 119 sec Started lustre-MDT0000 02:25:16 (1787379916) targets are mounted 02:25:16 (1787379916) facet_failover done 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 0 cleanup 126 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 392 201.320 31760.515 Close 337 82.445 23856.512 Rename 18 96.290 175.188 Unlink 41 30.448 61.323 Qpathinfo 360 16.885 114.465 Qfileinfo 106 2.136 10.560 Qfsinfo 52 4.133 27.052 Sfileinfo 50 63.953 139.956 Find 126 6.038 64.303 WriteX 372 12.677 81.075 ReadX 540 1.940 98.008 Flush 35 147.808 372.449 Throughput 0.196097 MB/sec 1 clients 1 procs max_latency=24359.398 ms stopping dbench on /mnt/lustre at Sat Aug 22 02:25:22 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 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 Sat Aug 22 02:25:28 EDT 2026 waiting for dbench pid 47966 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 42 1.56 MB/sec warmup 1 sec latency 110.196 ms 1 109 2.58 MB/sec warmup 2 sec latency 144.648 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 15360 3728384 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3699712 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7428096 1% /mnt/lustre 1 137 2.00 MB/sec warmup 3 sec latency 175.929 ms 1 160 1.63 MB/sec warmup 4 sec latency 222.980 ms 1 187 1.50 MB/sec warmup 5 sec latency 158.449 ms 1 215 1.39 MB/sec warmup 6 sec latency 161.602 ms 1 252 1.36 MB/sec warmup 7 sec latency 171.379 ms 1 304 1.40 MB/sec warmup 8 sec latency 98.064 ms test_26 fail mds1 4 times 1 341 1.36 MB/sec warmup 9 sec latency 122.975 ms 1 379 1.35 MB/sec warmup 10 sec latency 140.208 ms Failing mds1 on oleg655-server 1 413 1.33 MB/sec warmup 11 sec latency 170.741 ms Stopping /mnt/lustre-mds1 (opts:) on oleg655-server 1 446 1.30 MB/sec warmup 12 sec latency 120.935 ms 1 484 1.30 MB/sec warmup 13 sec latency 195.835 ms 1 484 1.21 MB/sec warmup 14 sec latency 1196.102 ms 1 484 1.13 MB/sec warmup 15 sec latency 2196.369 ms 02:25:43 (1787379943) shut down facet: mds1 facet_host: oleg655-server facet_failover_host: oleg655-server 1 484 1.06 MB/sec warmup 16 sec latency 3196.665 ms 1 484 1.00 MB/sec warmup 17 sec latency 4198.387 ms 1 484 0.94 MB/sec warmup 18 sec latency 5198.993 ms 1 484 0.89 MB/sec warmup 19 sec latency 6200.432 ms 1 484 0.00 MB/sec execute 1 sec latency 8200.966 ms 1 484 0.00 MB/sec execute 2 sec latency 9201.448 ms 1 484 0.00 MB/sec execute 3 sec latency 10201.860 ms 1 484 0.00 MB/sec execute 4 sec latency 11202.143 ms 1 484 0.00 MB/sec execute 5 sec latency 12203.149 ms Failover mds1 to oleg655-server mount facets: mds1 1 484 0.00 MB/sec execute 6 sec latency 13211.726 ms 1 484 0.00 MB/sec execute 7 sec latency 14212.049 ms 1 484 0.00 MB/sec execute 8 sec latency 15213.487 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 484 0.00 MB/sec execute 9 sec latency 16214.691 ms 1 484 0.00 MB/sec execute 10 sec latency 17215.050 ms 1 484 0.00 MB/sec execute 11 sec latency 18215.619 ms 1 484 0.00 MB/sec execute 12 sec latency 19215.832 ms 1 484 0.00 MB/sec execute 13 sec latency 20216.149 ms 1 484 0.00 MB/sec execute 14 sec latency 21216.927 ms 1 484 0.00 MB/sec execute 15 sec latency 22217.305 ms 1 484 0.00 MB/sec execute 16 sec latency 23217.521 ms 1 484 0.00 MB/sec execute 17 sec latency 24217.869 ms 1 484 0.00 MB/sec execute 18 sec latency 25218.084 ms 1 484 0.00 MB/sec execute 19 sec latency 26218.862 ms 1 484 0.00 MB/sec execute 20 sec latency 27219.236 ms 1 484 0.00 MB/sec execute 21 sec latency 28223.278 ms 1 484 0.00 MB/sec execute 22 sec latency 29231.804 ms 1 484 0.00 MB/sec execute 23 sec latency 30232.149 ms 1 484 0.00 MB/sec execute 24 sec latency 31233.275 ms 1 484 0.00 MB/sec execute 25 sec latency 32233.613 ms oleg655-server: oleg655-server.virtnet: executing set_default_debug -1 all 1 484 0.00 MB/sec execute 26 sec latency 33235.260 ms pdsh@oleg655-client: oleg655-server: ssh exited with exit code 1 1 484 0.00 MB/sec execute 27 sec latency 34237.144 ms Started lustre-MDT0000 02:26:15 (1787379975) targets are mounted 02:26:15 (1787379975) facet_failover done 1 484 0.00 MB/sec execute 28 sec latency 35237.299 ms 1 484 0.00 MB/sec execute 29 sec latency 36239.925 ms 1 484 0.00 MB/sec execute 30 sec latency 37240.199 ms 1 484 0.00 MB/sec execute 31 sec latency 38242.859 ms 1 484 0.00 MB/sec execute 32 sec latency 39243.042 ms 1 484 0.00 MB/sec execute 33 sec latency 40243.229 ms 1 484 0.00 MB/sec execute 34 sec latency 41245.849 ms 1 484 0.00 MB/sec execute 35 sec latency 42248.361 ms 1 485 0.00 MB/sec execute 36 sec latency 43153.430 ms 1 513 0.02 MB/sec execute 37 sec latency 183.498 ms 1 603 0.11 MB/sec execute 38 sec latency 160.614 ms 1 655 0.11 MB/sec execute 39 sec latency 111.390 ms 1 674 0.11 MB/sec execute 40 sec latency 258.775 ms oleg655-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 710 0.10 MB/sec execute 41 sec latency 131.875 ms 1 728 0.10 MB/sec execute 42 sec latency 254.571 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 743 0.10 MB/sec execute 43 sec latency 181.629 ms 1 780 0.10 MB/sec execute 44 sec latency 156.866 ms 1 796 0.10 MB/sec execute 45 sec latency 318.402 ms 1 850 0.10 MB/sec execute 46 sec latency 129.918 ms 1 876 0.10 MB/sec execute 47 sec latency 259.021 ms 1 892 0.10 MB/sec execute 48 sec latency 175.304 ms 1 916 0.10 MB/sec execute 49 sec latency 196.605 ms 1 957 0.10 MB/sec execute 50 sec latency 130.713 ms 1 983 0.10 MB/sec execute 51 sec latency 160.127 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1046 0.11 MB/sec execute 52 sec latency 98.988 ms 1 1095 0.11 MB/sec execute 53 sec latency 76.691 ms 1 1145 0.11 MB/sec execute 54 sec latency 120.826 ms 1 1190 0.11 MB/sec execute 55 sec latency 106.793 ms 1 1221 0.11 MB/sec execute 56 sec latency 138.103 ms 1 1245 0.11 MB/sec execute 57 sec latency 200.223 ms 1 1274 0.11 MB/sec execute 58 sec latency 128.746 ms 1 1394 0.15 MB/sec execute 59 sec latency 114.084 ms 1 1429 0.15 MB/sec execute 60 sec latency 118.731 ms 1 1476 0.15 MB/sec execute 61 sec latency 133.474 ms 1 1511 0.15 MB/sec execute 62 sec latency 200.471 ms 1 1566 0.15 MB/sec execute 63 sec latency 74.502 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 02:26:52 EDT 2026 with return code 0 1 1603 0.14 MB/sec execute 64 sec latency 105.329 ms 47966 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47966 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished