== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:18:26 (1769757506) Starting client oleg141-client.virtnet: -o user_xattr,flock 192.168.201.141@tcp:/lustre /mnt/lustre Started clients oleg141-client.virtnet: 192.168.201.141@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65516 Started dbench loop with 65518 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1684 1269620 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 5660 3597184 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7202660 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 Jan 30 02:18:34 EST 2026 waiting for dbench pid 65595 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 6 0.00 MB/sec warmup 1 sec latency 5.392 ms 1 38 0.65 MB/sec warmup 2 sec latency 121.781 ms 1 80 1.18 MB/sec warmup 3 sec latency 158.530 ms 1 116 1.31 MB/sec warmup 4 sec latency 198.753 ms 1 139 1.20 MB/sec warmup 5 sec latency 219.969 ms 1 158 1.09 MB/sec warmup 6 sec latency 307.193 ms 1 184 1.05 MB/sec warmup 7 sec latency 213.385 ms 1 197 0.98 MB/sec warmup 8 sec latency 650.330 ms 1 223 0.96 MB/sec warmup 9 sec latency 215.176 ms 1 263 0.99 MB/sec warmup 10 sec latency 140.097 ms test_26 fail mds1 1 times 1 289 0.97 MB/sec warmup 11 sec latency 223.239 ms 1 314 0.95 MB/sec warmup 12 sec latency 201.378 ms 1 341 0.94 MB/sec warmup 13 sec latency 160.859 ms Failing mds1 on oleg141-server 1 373 0.95 MB/sec warmup 14 sec latency 199.848 ms Stopping /mnt/lustre-mds1 (opts:) on oleg141-server 1 405 0.95 MB/sec warmup 15 sec latency 169.880 ms 1 428 0.94 MB/sec warmup 16 sec latency 369.883 ms 1 428 0.89 MB/sec warmup 17 sec latency 1371.787 ms 1 428 0.84 MB/sec warmup 18 sec latency 2372.129 ms 02:18:53 (1769757533) shut down facet: mds1 facet_host: oleg141-server facet_failover_host: oleg141-server 1 428 0.79 MB/sec warmup 19 sec latency 3372.389 ms 1 428 0.00 MB/sec execute 1 sec latency 5373.044 ms 1 428 0.00 MB/sec execute 2 sec latency 6373.264 ms 1 428 0.00 MB/sec execute 3 sec latency 7373.749 ms 1 428 0.00 MB/sec execute 4 sec latency 8374.047 ms 1 428 0.00 MB/sec execute 5 sec latency 9374.893 ms 1 428 0.00 MB/sec execute 6 sec latency 10376.315 ms 1 428 0.00 MB/sec execute 7 sec latency 11377.496 ms 1 428 0.00 MB/sec execute 8 sec latency 12377.769 ms Failover mds1 to oleg141-server mount facets: mds1 1 428 0.00 MB/sec execute 9 sec latency 13384.362 ms 1 428 0.00 MB/sec execute 10 sec latency 14384.600 ms 1 428 0.00 MB/sec execute 11 sec latency 15385.452 ms 1 428 0.00 MB/sec execute 12 sec latency 16385.708 ms 1 428 0.00 MB/sec execute 13 sec latency 17386.493 ms 1 428 0.00 MB/sec execute 14 sec latency 18388.397 ms 1 428 0.00 MB/sec execute 15 sec latency 19388.686 ms 1 428 0.00 MB/sec execute 16 sec latency 20389.076 ms 1 428 0.00 MB/sec execute 17 sec latency 21390.155 ms 1 428 0.00 MB/sec execute 18 sec latency 22390.640 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 19 sec latency 23390.853 ms 1 428 0.00 MB/sec execute 20 sec latency 24391.863 ms 1 428 0.00 MB/sec execute 21 sec latency 25393.445 ms 1 428 0.00 MB/sec execute 22 sec latency 26399.377 ms 1 428 0.00 MB/sec execute 23 sec latency 27401.084 ms 1 428 0.00 MB/sec execute 24 sec latency 28401.758 ms 1 428 0.00 MB/sec execute 25 sec latency 29402.019 ms 1 428 0.00 MB/sec execute 26 sec latency 30404.856 ms 1 428 0.00 MB/sec execute 27 sec latency 31405.189 ms 1 428 0.00 MB/sec execute 28 sec latency 32405.399 ms 1 428 0.00 MB/sec execute 29 sec latency 33407.379 ms 1 428 0.00 MB/sec execute 30 sec latency 34407.783 ms 1 428 0.00 MB/sec execute 31 sec latency 35408.561 ms oleg141-server: oleg141-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 32 sec latency 36410.334 ms 1 428 0.00 MB/sec execute 33 sec latency 37411.415 ms pdsh@oleg141-client: oleg141-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 34 sec latency 38421.500 ms Started lustre-MDT0000 02:19:29 (1769757569) targets are mounted 02:19:29 (1769757569) facet_failover done 1 434 0.00 MB/sec execute 35 sec latency 39110.150 ms 1 477 0.04 MB/sec execute 36 sec latency 126.392 ms 1 503 0.06 MB/sec execute 37 sec latency 164.922 ms 1 522 0.08 MB/sec execute 38 sec latency 173.142 ms 1 589 0.13 MB/sec execute 39 sec latency 196.716 ms 1 639 0.15 MB/sec execute 40 sec latency 145.350 ms oleg141-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 661 0.15 MB/sec execute 41 sec latency 187.467 ms 1 692 0.14 MB/sec execute 42 sec latency 122.910 ms 1 711 0.14 MB/sec execute 43 sec latency 164.766 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 735 0.14 MB/sec execute 44 sec latency 129.297 ms 1 765 0.14 MB/sec execute 45 sec latency 178.786 ms 1 789 0.14 MB/sec execute 46 sec latency 195.044 ms 1 816 0.13 MB/sec execute 47 sec latency 124.806 ms 1 853 0.13 MB/sec execute 48 sec latency 198.899 ms 1 877 0.13 MB/sec execute 49 sec latency 249.629 ms 1 884 0.13 MB/sec execute 50 sec latency 791.147 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2048 1269256 1% /mnt/lustre[MDT:0] 1 891 0.13 MB/sec execute 51 sec latency 1354.643 ms lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 39888 3559084 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10852 3595944 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 50740 7155028 1% /mnt/lustre 1 914 0.13 MB/sec execute 52 sec latency 155.849 ms 1 937 0.13 MB/sec execute 53 sec latency 147.721 ms 1 969 0.12 MB/sec execute 54 sec latency 111.598 ms 1 987 0.12 MB/sec execute 55 sec latency 168.750 ms 1 1045 0.14 MB/sec execute 56 sec latency 108.495 ms 1 1082 0.14 MB/sec execute 57 sec latency 108.865 ms 1 1128 0.14 MB/sec execute 58 sec latency 95.812 ms 1 1155 0.13 MB/sec execute 59 sec latency 123.725 ms 1 1181 0.13 MB/sec execute 60 sec latency 132.225 ms 1 1219 0.13 MB/sec execute 61 sec latency 132.857 ms 1 1244 0.13 MB/sec execute 62 sec latency 121.467 ms test_26 fail mds2 2 times 1 1274 0.13 MB/sec execute 63 sec latency 150.880 ms 1 1395 0.17 MB/sec execute 64 sec latency 121.785 ms Failing mds2 on oleg141-server 1 1418 0.17 MB/sec execute 65 sec latency 152.206 ms 1 1448 0.16 MB/sec execute 66 sec latency 167.888 ms Stopping /mnt/lustre-mds2 (opts:) on oleg141-server 1 1467 0.16 MB/sec execute 67 sec latency 472.208 ms 1 1492 0.16 MB/sec execute 68 sec latency 564.132 ms 1 1522 0.16 MB/sec execute 69 sec latency 127.972 ms 1 1564 0.16 MB/sec execute 70 sec latency 94.069 ms 02:20:05 (1769757605) shut down facet: mds2 facet_host: oleg141-server facet_failover_host: oleg141-server 1 1599 0.16 MB/sec execute 71 sec latency 152.212 ms 1 1647 0.15 MB/sec execute 72 sec latency 106.823 ms 1 1686 0.15 MB/sec execute 73 sec latency 119.835 ms 1 1762 0.15 MB/sec execute 74 sec latency 117.526 ms 1 1814 0.15 MB/sec execute 75 sec latency 140.642 ms 1 1884 0.15 MB/sec execute 76 sec latency 92.485 ms 1 1958 0.15 MB/sec execute 77 sec latency 78.610 ms 1 2020 0.15 MB/sec execute 78 sec latency 87.388 ms 1 2120 0.15 MB/sec execute 79 sec latency 88.525 ms 1 2170 0.14 MB/sec execute 80 sec latency 126.212 ms 1 2247 0.14 MB/sec execute 81 sec latency 122.326 ms Failover mds2 to oleg141-server mount facets: mds2 1 2259 0.14 MB/sec execute 82 sec latency 620.484 ms 1 2259 0.14 MB/sec execute 83 sec latency 1620.746 ms 1 2259 0.14 MB/sec execute 84 sec latency 2622.185 ms 1 2259 0.14 MB/sec execute 85 sec latency 3622.394 ms 1 2259 0.14 MB/sec execute 86 sec latency 4622.561 ms 1 2259 0.13 MB/sec execute 87 sec latency 5622.896 ms 1 2259 0.13 MB/sec execute 88 sec latency 6623.530 ms 1 2259 0.13 MB/sec execute 89 sec latency 7625.855 ms 1 2259 0.13 MB/sec execute 90 sec latency 8626.165 ms 1 2259 0.13 MB/sec execute 91 sec latency 9627.603 ms 1 2259 0.13 MB/sec execute 92 sec latency 10628.846 ms 1 2259 0.13 MB/sec execute 93 sec latency 11629.361 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 94 sec latency 12629.591 ms 1 2259 0.12 MB/sec execute 95 sec latency 13633.210 ms 1 2259 0.12 MB/sec execute 96 sec latency 14633.781 ms 1 2259 0.12 MB/sec execute 97 sec latency 15637.015 ms 1 2259 0.12 MB/sec execute 98 sec latency 16638.475 ms 1 2259 0.12 MB/sec execute 99 sec latency 17638.979 ms 1 cleanup 100 sec oleg141-server: oleg141-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec 1 cleanup 102 sec pdsh@oleg141-client: oleg141-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 02:20:38 (1769757638) targets are mounted 02:20:39 (1769757639) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 127.366 20431.795 Close 286 150.792 39110.118 Rename 11 120.517 195.009 Unlink 30 38.658 136.500 Qpathinfo 295 17.026 108.829 Qfileinfo 78 2.699 25.325 Qfsinfo 33 5.922 31.656 Sfileinfo 34 81.797 249.613 Find 92 13.439 75.712 WriteX 266 16.483 179.006 ReadX 348 3.260 98.335 Flush 30 62.803 127.987 Throughput 0.11752 MB/sec 1 clients 1 procs max_latency=39110.150 ms stopping dbench on /mnt/lustre at Fri Jan 30 02:20:41 EST 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg141-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid striped dir -i0 -c2 -H crush2 /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 Fri Jan 30 02:20:52 EST 2026 waiting for dbench pid 67693 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 32.321 ms 1 80 1.77 MB/sec warmup 2 sec latency 119.268 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2280 1269024 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35868 3569676 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10728 3595200 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46596 7164876 1% /mnt/lustre 1 121 1.83 MB/sec warmup 3 sec latency 226.031 ms 1 155 1.63 MB/sec warmup 4 sec latency 182.129 ms 1 184 1.47 MB/sec warmup 5 sec latency 166.544 ms 1 203 1.32 MB/sec warmup 6 sec latency 393.161 ms 1 239 1.30 MB/sec warmup 7 sec latency 160.948 ms 1 270 1.27 MB/sec warmup 8 sec latency 132.060 ms 1 301 1.22 MB/sec warmup 9 sec latency 137.213 ms 1 331 1.20 MB/sec warmup 10 sec latency 160.991 ms 1 354 1.15 MB/sec warmup 11 sec latency 203.692 ms 1 392 1.15 MB/sec warmup 12 sec latency 134.002 ms test_26 fail mds1 3 times 1 429 1.16 MB/sec warmup 13 sec latency 133.055 ms 1 469 1.17 MB/sec warmup 14 sec latency 132.031 ms Failing mds1 on oleg141-server 1 503 1.16 MB/sec warmup 15 sec latency 150.146 ms Stopping /mnt/lustre-mds1 (opts:) on oleg141-server 1 542 1.19 MB/sec warmup 16 sec latency 164.837 ms 1 606 1.23 MB/sec warmup 17 sec latency 350.943 ms 1 606 1.16 MB/sec warmup 18 sec latency 1351.125 ms 1 606 1.10 MB/sec warmup 19 sec latency 2351.435 ms 1 606 0.00 MB/sec execute 1 sec latency 4351.933 ms 1 606 0.00 MB/sec execute 2 sec latency 5352.139 ms 1 606 0.00 MB/sec execute 3 sec latency 6352.509 ms 1 606 0.00 MB/sec execute 4 sec latency 7352.755 ms 02:21:17 (1769757677) shut down facet: mds1 facet_host: oleg141-server facet_failover_host: oleg141-server 1 606 0.00 MB/sec execute 5 sec latency 8352.941 ms 1 606 0.00 MB/sec execute 6 sec latency 9353.476 ms 1 606 0.00 MB/sec execute 7 sec latency 10356.036 ms 1 606 0.00 MB/sec execute 8 sec latency 11356.263 ms 1 606 0.00 MB/sec execute 9 sec latency 12356.418 ms 1 606 0.00 MB/sec execute 10 sec latency 13356.891 ms 1 606 0.00 MB/sec execute 11 sec latency 14357.044 ms 1 606 0.00 MB/sec execute 12 sec latency 15357.309 ms 1 606 0.00 MB/sec execute 13 sec latency 16357.597 ms 1 606 0.00 MB/sec execute 14 sec latency 17357.815 ms 1 606 0.00 MB/sec execute 15 sec latency 18358.538 ms Failover mds1 to oleg141-server mount facets: mds1 1 606 0.00 MB/sec execute 16 sec latency 19358.890 ms 1 606 0.00 MB/sec execute 17 sec latency 20359.296 ms 1 606 0.00 MB/sec execute 18 sec latency 21363.937 ms 1 606 0.00 MB/sec execute 19 sec latency 22364.765 ms 1 606 0.00 MB/sec execute 20 sec latency 23365.096 ms 1 606 0.00 MB/sec execute 21 sec latency 24365.293 ms 1 606 0.00 MB/sec execute 22 sec latency 25365.755 ms 1 606 0.00 MB/sec execute 23 sec latency 26366.109 ms 1 606 0.00 MB/sec execute 24 sec latency 27368.459 ms 1 606 0.00 MB/sec execute 25 sec latency 28368.722 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 26 sec latency 29369.044 ms 1 606 0.00 MB/sec execute 27 sec latency 30369.694 ms 1 606 0.00 MB/sec execute 28 sec latency 31369.946 ms 1 606 0.00 MB/sec execute 29 sec latency 32370.255 ms 1 606 0.00 MB/sec execute 30 sec latency 33370.519 ms 1 606 0.00 MB/sec execute 31 sec latency 34370.760 ms 1 606 0.00 MB/sec execute 32 sec latency 35376.045 ms 1 606 0.00 MB/sec execute 33 sec latency 36376.930 ms 1 606 0.00 MB/sec execute 34 sec latency 37377.098 ms 1 606 0.00 MB/sec execute 35 sec latency 38377.333 ms 1 606 0.00 MB/sec execute 36 sec latency 39377.629 ms oleg141-server: oleg141-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 37 sec latency 40378.163 ms pdsh@oleg141-client: oleg141-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 38 sec latency 41378.483 ms 1 606 0.00 MB/sec execute 39 sec latency 42378.645 ms Started lustre-MDT0000 02:21:52 (1769757712) targets are mounted 02:21:52 (1769757712) facet_failover done 1 636 0.00 MB/sec execute 40 sec latency 43028.837 ms 1 664 0.00 MB/sec execute 41 sec latency 132.880 ms 1 692 0.01 MB/sec execute 42 sec latency 168.060 ms 1 712 0.01 MB/sec execute 43 sec latency 179.427 ms 1 736 0.01 MB/sec execute 44 sec latency 140.342 ms oleg141-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 778 0.01 MB/sec execute 45 sec latency 126.787 ms 1 801 0.01 MB/sec execute 46 sec latency 131.522 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 825 0.01 MB/sec execute 47 sec latency 186.687 ms 1 864 0.01 MB/sec execute 48 sec latency 166.477 ms 1 884 0.01 MB/sec execute 49 sec latency 318.427 ms 1 885 0.01 MB/sec execute 50 sec latency 1166.219 ms 1 905 0.01 MB/sec execute 51 sec latency 256.486 ms 1 937 0.02 MB/sec execute 52 sec latency 90.349 ms 1 977 0.02 MB/sec execute 53 sec latency 98.740 ms 1 1020 0.03 MB/sec execute 54 sec latency 105.676 ms 1 1074 0.04 MB/sec execute 55 sec latency 83.543 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1126 0.04 MB/sec execute 56 sec latency 91.496 ms 1 1163 0.04 MB/sec execute 57 sec latency 115.144 ms 1 1208 0.04 MB/sec execute 58 sec latency 119.344 ms 1 1251 0.04 MB/sec execute 59 sec latency 75.861 ms 1 1274 0.04 MB/sec execute 60 sec latency 306.879 ms 1 1401 0.08 MB/sec execute 61 sec latency 307.580 ms 1 1440 0.08 MB/sec execute 62 sec latency 105.895 ms 1 1470 0.08 MB/sec execute 63 sec latency 365.840 ms 1 1509 0.08 MB/sec execute 64 sec latency 155.939 ms 1 1557 0.08 MB/sec execute 65 sec latency 106.971 ms 1 1588 0.08 MB/sec execute 66 sec latency 103.957 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jan 30 02:22:19 EST 2026 with return code 0 67693 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67693 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished