== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:53:58 (1788274438) Starting client oleg242-client.virtnet: -o user_xattr,flock 192.168.202.142@tcp:/lustre /mnt/lustre Started clients oleg242-client.virtnet: 192.168.202.142@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 45217 Started dbench loop with 45218 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 3743744 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7505920 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 Tue Sep 1 10:54:05 EDT 2026 waiting for dbench pid 45285 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 24.644 ms 1 68 1.50 MB/sec warmup 2 sec latency 158.069 ms 1 121 1.83 MB/sec warmup 3 sec latency 120.558 ms 1 155 1.63 MB/sec warmup 4 sec latency 151.904 ms test_26 fail mds1 1 times 1 173 1.41 MB/sec warmup 5 sec latency 222.237 ms 1 189 1.26 MB/sec warmup 6 sec latency 380.123 ms 1 207 1.15 MB/sec warmup 7 sec latency 263.983 ms Failing mds1 on oleg242-server 1 226 1.07 MB/sec warmup 8 sec latency 277.904 ms Stopping /mnt/lustre-mds1 (opts:) on oleg242-server 1 258 1.07 MB/sec warmup 9 sec latency 181.602 ms 1 290 1.07 MB/sec warmup 10 sec latency 163.884 ms 1 296 0.99 MB/sec warmup 11 sec latency 936.663 ms 1 296 0.91 MB/sec warmup 12 sec latency 1938.323 ms 10:54:18 (1788274458) shut down facet: mds1 facet_host: oleg242-server facet_failover_host: oleg242-server 1 296 0.84 MB/sec warmup 13 sec latency 2938.597 ms 1 296 0.78 MB/sec warmup 14 sec latency 3938.942 ms 1 296 0.73 MB/sec warmup 15 sec latency 4944.618 ms 1 296 0.68 MB/sec warmup 16 sec latency 5951.730 ms 1 296 0.64 MB/sec warmup 17 sec latency 6951.934 ms 1 296 0.61 MB/sec warmup 18 sec latency 7952.177 ms 1 296 0.58 MB/sec warmup 19 sec latency 8953.408 ms 1 296 0.00 MB/sec execute 1 sec latency 10953.840 ms 1 296 0.00 MB/sec execute 2 sec latency 11958.570 ms 1 296 0.00 MB/sec execute 3 sec latency 12958.746 ms Failover mds1 to oleg242-server mount facets: mds1 1 296 0.00 MB/sec execute 4 sec latency 13958.950 ms 1 296 0.00 MB/sec execute 5 sec latency 14959.786 ms 1 296 0.00 MB/sec execute 6 sec latency 15961.702 ms 1 296 0.00 MB/sec execute 7 sec latency 16962.439 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 8 sec latency 17963.658 ms 1 296 0.00 MB/sec execute 9 sec latency 18963.893 ms 1 296 0.00 MB/sec execute 10 sec latency 19964.424 ms 1 296 0.00 MB/sec execute 11 sec latency 20964.585 ms 1 296 0.00 MB/sec execute 12 sec latency 21964.811 ms 1 296 0.00 MB/sec execute 13 sec latency 22965.045 ms 1 296 0.00 MB/sec execute 14 sec latency 23965.507 ms 1 296 0.00 MB/sec execute 15 sec latency 24966.259 ms oleg242-server: oleg242-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 16 sec latency 25967.202 ms pdsh@oleg242-client: oleg242-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 17 sec latency 26970.724 ms Started lustre-MDT0000 10:54:43 (1788274483) targets are mounted 10:54:43 (1788274483) facet_failover done 1 296 0.00 MB/sec execute 18 sec latency 27971.062 ms 1 296 0.00 MB/sec execute 19 sec latency 28971.368 ms 1 296 0.00 MB/sec execute 20 sec latency 29971.622 ms 1 296 0.00 MB/sec execute 21 sec latency 30972.374 ms 1 296 0.00 MB/sec execute 22 sec latency 31972.576 ms 1 296 0.00 MB/sec execute 23 sec latency 32972.779 ms 1 296 0.00 MB/sec execute 24 sec latency 33973.123 ms 1 296 0.00 MB/sec execute 25 sec latency 34976.373 ms 1 296 0.00 MB/sec execute 26 sec latency 35977.628 ms 1 296 0.00 MB/sec execute 27 sec latency 36977.860 ms 1 296 0.00 MB/sec execute 28 sec latency 37978.011 ms 1 297 0.00 MB/sec execute 29 sec latency 38889.499 ms 1 323 0.03 MB/sec execute 30 sec latency 359.428 ms 1 346 0.05 MB/sec execute 31 sec latency 182.015 ms 1 373 0.07 MB/sec execute 32 sec latency 185.787 ms 1 406 0.10 MB/sec execute 33 sec latency 164.768 ms 1 437 0.13 MB/sec execute 34 sec latency 154.037 ms 1 461 0.15 MB/sec execute 35 sec latency 209.345 ms 1 491 0.17 MB/sec execute 36 sec latency 291.389 ms oleg242-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.18 MB/sec execute 37 sec latency 231.762 ms 1 542 0.21 MB/sec execute 38 sec latency 188.638 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 606 0.26 MB/sec execute 39 sec latency 163.966 ms 1 648 0.25 MB/sec execute 40 sec latency 198.888 ms 1 669 0.25 MB/sec execute 41 sec latency 394.183 ms 1 704 0.24 MB/sec execute 42 sec latency 147.859 ms 1 726 0.24 MB/sec execute 43 sec latency 240.932 ms 1 745 0.23 MB/sec execute 44 sec latency 187.093 ms 1 769 0.23 MB/sec execute 45 sec latency 244.276 ms 1 789 0.23 MB/sec execute 46 sec latency 166.536 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3702784 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3718144 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7420928 1% /mnt/lustre 1 799 0.22 MB/sec execute 47 sec latency 384.192 ms 1 827 0.22 MB/sec execute 48 sec latency 133.231 ms 1 865 0.22 MB/sec execute 49 sec latency 148.500 ms 1 885 0.21 MB/sec execute 50 sec latency 253.605 ms 1 913 0.21 MB/sec execute 51 sec latency 191.774 ms 1 925 0.21 MB/sec execute 52 sec latency 280.046 ms 1 969 0.20 MB/sec execute 53 sec latency 100.563 ms test_26 fail mds1 2 times 1 986 0.20 MB/sec execute 54 sec latency 269.041 ms 1 1037 0.22 MB/sec execute 55 sec latency 127.290 ms 1 1062 0.21 MB/sec execute 56 sec latency 167.892 ms Failing mds1 on oleg242-server 1 1099 0.21 MB/sec execute 57 sec latency 154.588 ms Stopping /mnt/lustre-mds1 (opts:) on oleg242-server 1 1132 0.21 MB/sec execute 58 sec latency 121.892 ms 1 1155 0.20 MB/sec execute 59 sec latency 191.319 ms 1 1155 0.20 MB/sec execute 60 sec latency 1190.901 ms 1 1155 0.20 MB/sec execute 61 sec latency 2191.173 ms 1 1155 0.19 MB/sec execute 62 sec latency 3191.397 ms 10:55:28 (1788274528) shut down facet: mds1 facet_host: oleg242-server facet_failover_host: oleg242-server 1 1155 0.19 MB/sec execute 63 sec latency 4192.575 ms 1 1155 0.19 MB/sec execute 64 sec latency 5192.830 ms 1 1155 0.18 MB/sec execute 65 sec latency 6194.531 ms 1 1155 0.18 MB/sec execute 66 sec latency 7197.671 ms 1 1155 0.18 MB/sec execute 67 sec latency 8198.004 ms 1 1155 0.18 MB/sec execute 68 sec latency 9198.450 ms 1 1155 0.17 MB/sec execute 69 sec latency 10198.673 ms 1 1155 0.17 MB/sec execute 70 sec latency 11203.775 ms 1 1155 0.17 MB/sec execute 71 sec latency 12204.182 ms 1 1155 0.17 MB/sec execute 72 sec latency 13204.406 ms Failover mds1 to oleg242-server mount facets: mds1 1 1155 0.16 MB/sec execute 73 sec latency 14205.155 ms 1 1155 0.16 MB/sec execute 74 sec latency 15205.498 ms 1 1155 0.16 MB/sec execute 75 sec latency 16207.445 ms 1 1155 0.16 MB/sec execute 76 sec latency 17207.677 ms 1 1155 0.16 MB/sec execute 77 sec latency 18208.008 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1155 0.15 MB/sec execute 78 sec latency 19208.159 ms 1 1155 0.15 MB/sec execute 79 sec latency 20208.387 ms 1 1155 0.15 MB/sec execute 80 sec latency 21208.617 ms 1 1155 0.15 MB/sec execute 81 sec latency 22208.820 ms 1 1155 0.15 MB/sec execute 82 sec latency 23209.046 ms 1 1155 0.14 MB/sec execute 83 sec latency 24210.023 ms 1 1155 0.14 MB/sec execute 84 sec latency 25210.325 ms 1 1155 0.14 MB/sec execute 85 sec latency 26212.547 ms 1 1155 0.14 MB/sec execute 86 sec latency 27212.783 ms 1 1155 0.14 MB/sec execute 87 sec latency 28214.248 ms 1 1155 0.14 MB/sec execute 88 sec latency 29215.192 ms 1 1155 0.14 MB/sec execute 89 sec latency 30215.529 ms 1 1155 0.13 MB/sec execute 90 sec latency 31216.743 ms 1 1155 0.13 MB/sec execute 91 sec latency 32217.071 ms 1 1155 0.13 MB/sec execute 92 sec latency 33217.331 ms 1 1155 0.13 MB/sec execute 93 sec latency 34219.317 ms oleg242-server: oleg242-server.virtnet: executing set_default_debug -1 all 1 1155 0.13 MB/sec execute 94 sec latency 35220.921 ms pdsh@oleg242-client: oleg242-server: ssh exited with exit code 1 1 1155 0.13 MB/sec execute 95 sec latency 36221.622 ms Started lustre-MDT0000 10:56:01 (1788274561) targets are mounted 10:56:01 (1788274561) facet_failover done 1 1155 0.13 MB/sec execute 96 sec latency 37221.880 ms 1 1155 0.12 MB/sec execute 97 sec latency 38222.329 ms 1 1155 0.12 MB/sec execute 98 sec latency 39222.537 ms 1 1155 0.12 MB/sec execute 99 sec latency 40222.899 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 122 104.687 359.413 Close 114 358.953 38889.460 Rename 7 122.473 191.289 Unlink 12 34.839 63.137 Qpathinfo 60 28.385 167.738 Qfileinfo 54 2.450 12.189 Qfsinfo 26 6.662 42.729 Sfileinfo 25 1725.301 41274.527 Find 32 8.018 66.579 WriteX 266 18.055 81.663 ReadX 118 6.094 115.564 Flush 24 176.526 394.167 Throughput 0.121504 MB/sec 1 clients 1 procs max_latency=40222.899 ms stopping dbench on /mnt/lustre at Tue Sep 1 10:56:10 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg242-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 Tue Sep 1 10:56:17 EDT 2026 waiting for dbench pid 47232 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 32 1.05 MB/sec warmup 1 sec latency 95.753 ms 1 104 2.42 MB/sec warmup 2 sec latency 126.693 ms 1 139 2.01 MB/sec warmup 3 sec latency 142.944 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 26624 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3749888 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 40960 7456768 1% /mnt/lustre 1 178 1.80 MB/sec warmup 4 sec latency 190.506 ms 1 208 1.62 MB/sec warmup 5 sec latency 143.786 ms 1 247 1.57 MB/sec warmup 6 sec latency 150.320 ms 1 296 1.57 MB/sec warmup 7 sec latency 147.777 ms 1 341 1.53 MB/sec warmup 8 sec latency 102.655 ms test_26 fail mds1 3 times 1 381 1.51 MB/sec warmup 9 sec latency 129.013 ms 1 421 1.49 MB/sec warmup 10 sec latency 127.902 ms 1 445 1.42 MB/sec warmup 11 sec latency 176.778 ms Failing mds1 on oleg242-server 1 480 1.39 MB/sec warmup 12 sec latency 180.394 ms Stopping /mnt/lustre-mds1 (opts:) on oleg242-server 1 511 1.36 MB/sec warmup 13 sec latency 160.626 ms 1 541 1.36 MB/sec warmup 14 sec latency 229.054 ms 1 541 1.27 MB/sec warmup 15 sec latency 1229.526 ms 1 541 1.19 MB/sec warmup 16 sec latency 2230.208 ms 10:56:33 (1788274593) shut down facet: mds1 facet_host: oleg242-server facet_failover_host: oleg242-server 1 541 1.12 MB/sec warmup 17 sec latency 3231.128 ms 1 541 1.06 MB/sec warmup 18 sec latency 4231.869 ms 1 541 1.00 MB/sec warmup 19 sec latency 5232.279 ms 1 541 0.00 MB/sec execute 1 sec latency 7232.796 ms 1 541 0.00 MB/sec execute 2 sec latency 8233.313 ms 1 541 0.00 MB/sec execute 3 sec latency 9233.623 ms 1 541 0.00 MB/sec execute 4 sec latency 10233.846 ms 1 541 0.00 MB/sec execute 5 sec latency 11234.284 ms 1 541 0.00 MB/sec execute 6 sec latency 12234.471 ms Failover mds1 to oleg242-server 1 541 0.00 MB/sec execute 7 sec latency 13234.602 ms mount facets: mds1 1 541 0.00 MB/sec execute 8 sec latency 14234.785 ms 1 541 0.00 MB/sec execute 9 sec latency 15235.121 ms 1 541 0.00 MB/sec execute 10 sec latency 16240.355 ms 1 541 0.00 MB/sec execute 11 sec latency 17243.293 ms 1 541 0.00 MB/sec execute 12 sec latency 18244.665 ms 1 541 0.00 MB/sec execute 13 sec latency 19244.834 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 541 0.00 MB/sec execute 14 sec latency 20245.067 ms 1 541 0.00 MB/sec execute 15 sec latency 21245.855 ms 1 541 0.00 MB/sec execute 16 sec latency 22246.876 ms 1 541 0.00 MB/sec execute 17 sec latency 23247.388 ms 1 541 0.00 MB/sec execute 18 sec latency 24250.075 ms 1 541 0.00 MB/sec execute 19 sec latency 25250.319 ms 1 541 0.00 MB/sec execute 20 sec latency 26250.533 ms 1 541 0.00 MB/sec execute 21 sec latency 27250.745 ms 1 541 0.00 MB/sec execute 22 sec latency 28250.952 ms oleg242-server: oleg242-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 23 sec latency 29251.221 ms 1 541 0.00 MB/sec execute 24 sec latency 30253.038 ms pdsh@oleg242-client: oleg242-server: ssh exited with exit code 1 1 541 0.00 MB/sec execute 25 sec latency 31253.637 ms Started lustre-MDT0000 10:57:02 (1788274622) targets are mounted 10:57:02 (1788274622) facet_failover done 1 541 0.00 MB/sec execute 26 sec latency 32256.830 ms 1 541 0.00 MB/sec execute 27 sec latency 33261.393 ms 1 541 0.00 MB/sec execute 28 sec latency 34261.889 ms 1 541 0.00 MB/sec execute 29 sec latency 35269.186 ms 1 541 0.00 MB/sec execute 30 sec latency 36271.286 ms 1 541 0.00 MB/sec execute 31 sec latency 37274.706 ms 1 541 0.00 MB/sec execute 32 sec latency 38274.946 ms 1 541 0.00 MB/sec execute 33 sec latency 39275.678 ms 1 541 0.00 MB/sec execute 34 sec latency 40275.947 ms 1 542 0.00 MB/sec execute 35 sec latency 41087.843 ms 1 616 0.05 MB/sec execute 36 sec latency 471.765 ms 1 661 0.06 MB/sec execute 37 sec latency 178.692 ms 1 678 0.05 MB/sec execute 38 sec latency 337.227 ms 1 708 0.05 MB/sec execute 39 sec latency 147.743 ms 1 727 0.05 MB/sec execute 40 sec latency 363.770 ms oleg242-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 770 0.06 MB/sec execute 41 sec latency 135.539 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.06 MB/sec execute 42 sec latency 294.144 ms 1 817 0.06 MB/sec execute 43 sec latency 167.885 ms 1 853 0.06 MB/sec execute 44 sec latency 218.383 ms 1 892 0.06 MB/sec execute 45 sec latency 233.364 ms 1 913 0.06 MB/sec execute 46 sec latency 190.496 ms 1 948 0.06 MB/sec execute 47 sec latency 312.715 ms 1 967 0.06 MB/sec execute 48 sec latency 252.246 ms 1 980 0.06 MB/sec execute 49 sec latency 477.168 ms 1 986 0.06 MB/sec execute 50 sec latency 474.786 ms 1 1005 0.06 MB/sec execute 51 sec latency 222.586 ms 1 1074 0.07 MB/sec execute 52 sec latency 114.151 ms 1 1124 0.07 MB/sec execute 53 sec latency 190.962 ms 1 1136 0.07 MB/sec execute 54 sec latency 235.514 ms 1 1158 0.07 MB/sec execute 55 sec latency 212.853 ms 1 1198 0.07 MB/sec execute 56 sec latency 106.140 ms 1 1225 0.07 MB/sec execute 57 sec latency 149.851 ms 1 1248 0.07 MB/sec execute 58 sec latency 139.194 ms 1 1268 0.07 MB/sec execute 59 sec latency 167.495 ms 1 1378 0.11 MB/sec execute 60 sec latency 247.457 ms 1 1387 0.11 MB/sec execute 61 sec latency 941.980 ms 1 1396 0.11 MB/sec execute 62 sec latency 614.164 ms 1 1404 0.11 MB/sec execute 63 sec latency 728.804 ms 1 1418 0.11 MB/sec execute 64 sec latency 587.148 ms 1 1451 0.11 MB/sec execute 65 sec latency 111.371 ms 1 1481 0.10 MB/sec execute 66 sec latency 258.267 ms 1 1503 0.10 MB/sec execute 67 sec latency 365.525 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 1 10:57:45 EDT 2026 with return code 0 1 1525 0.10 MB/sec execute 68 sec latency 526.733 ms 47232 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47232 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished