== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:15:51 (1788596151) Starting client oleg352-client.virtnet: -o user_xattr,flock 192.168.203.152@tcp:/lustre /mnt/lustre Started clients oleg352-client.virtnet: 192.168.203.152@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 45153 Started dbench loop with 45154 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 14336 3743744 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7503872 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 Sep 5 04:15:57 EDT 2026 waiting for dbench pid 45223 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 81.411 ms 1 91 2.10 MB/sec warmup 2 sec latency 140.986 ms 1 137 2.01 MB/sec warmup 3 sec latency 185.692 ms 1 173 1.76 MB/sec warmup 4 sec latency 145.254 ms test_26 fail mds1 1 times 1 207 1.62 MB/sec warmup 5 sec latency 141.417 ms Failing mds1 on oleg352-server 1 255 1.61 MB/sec warmup 6 sec latency 108.452 ms 1 297 1.57 MB/sec warmup 7 sec latency 130.434 ms Stopping /mnt/lustre-mds1 (opts:) on oleg352-server 1 339 1.53 MB/sec warmup 8 sec latency 116.389 ms 1 339 1.36 MB/sec warmup 9 sec latency 1082.399 ms 1 339 1.23 MB/sec warmup 10 sec latency 2084.456 ms 1 339 1.11 MB/sec warmup 11 sec latency 3084.679 ms 1 339 1.02 MB/sec warmup 12 sec latency 4084.927 ms 04:16:10 (1788596170) shut down facet: mds1 facet_host: oleg352-server facet_failover_host: oleg352-server 1 339 0.94 MB/sec warmup 13 sec latency 5085.253 ms 1 339 0.88 MB/sec warmup 14 sec latency 6085.501 ms 1 339 0.82 MB/sec warmup 15 sec latency 7085.682 ms 1 339 0.77 MB/sec warmup 16 sec latency 8086.525 ms 1 339 0.72 MB/sec warmup 17 sec latency 9086.923 ms 1 339 0.68 MB/sec warmup 18 sec latency 10087.529 ms 1 339 0.65 MB/sec warmup 19 sec latency 11087.793 ms 1 339 0.00 MB/sec execute 1 sec latency 13094.416 ms 1 339 0.00 MB/sec execute 2 sec latency 14095.579 ms Failover mds1 to oleg352-server mount facets: mds1 1 339 0.00 MB/sec execute 3 sec latency 15096.922 ms 1 339 0.00 MB/sec execute 4 sec latency 16097.196 ms 1 339 0.00 MB/sec execute 5 sec latency 17097.799 ms 1 339 0.00 MB/sec execute 6 sec latency 18100.435 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 7 sec latency 19101.111 ms 1 339 0.00 MB/sec execute 8 sec latency 20101.354 ms 1 339 0.00 MB/sec execute 9 sec latency 21103.359 ms 1 339 0.00 MB/sec execute 10 sec latency 22104.229 ms 1 339 0.00 MB/sec execute 11 sec latency 23104.495 ms 1 339 0.00 MB/sec execute 12 sec latency 24105.057 ms 1 339 0.00 MB/sec execute 13 sec latency 25105.574 ms oleg352-server: oleg352-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 14 sec latency 26107.180 ms pdsh@oleg352-client: oleg352-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 15 sec latency 27108.187 ms Started lustre-MDT0000 04:16:33 (1788596193) targets are mounted 04:16:33 (1788596193) facet_failover done 1 339 0.00 MB/sec execute 16 sec latency 28108.376 ms 1 339 0.00 MB/sec execute 17 sec latency 29108.964 ms 1 339 0.00 MB/sec execute 18 sec latency 30110.308 ms 1 381 0.07 MB/sec execute 19 sec latency 30112.988 ms 1 421 0.13 MB/sec execute 20 sec latency 135.466 ms 1 463 0.19 MB/sec execute 21 sec latency 106.425 ms 1 501 0.24 MB/sec execute 22 sec latency 124.832 ms oleg352-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 542 0.30 MB/sec execute 23 sec latency 153.060 ms 1 618 0.36 MB/sec execute 24 sec latency 103.247 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.36 MB/sec execute 25 sec latency 197.831 ms 1 692 0.34 MB/sec execute 26 sec latency 255.309 ms 1 726 0.33 MB/sec execute 27 sec latency 197.336 ms 1 761 0.32 MB/sec execute 28 sec latency 170.939 ms 1 794 0.32 MB/sec execute 29 sec latency 188.321 ms 1 816 0.31 MB/sec execute 30 sec latency 136.689 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 13312 3696640 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3693568 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7390208 1% /mnt/lustre 1 870 0.30 MB/sec execute 31 sec latency 109.708 ms 1 892 0.29 MB/sec execute 32 sec latency 256.136 ms 1 918 0.29 MB/sec execute 33 sec latency 223.738 ms 1 954 0.28 MB/sec execute 34 sec latency 127.303 ms 1 986 0.28 MB/sec execute 35 sec latency 199.379 ms 1 1062 0.29 MB/sec execute 36 sec latency 76.578 ms test_26 fail mds1 2 times 1 1124 0.29 MB/sec execute 37 sec latency 82.495 ms 1 1156 0.28 MB/sec execute 38 sec latency 121.494 ms Failing mds1 on oleg352-server 1 1196 0.28 MB/sec execute 39 sec latency 87.999 ms Stopping /mnt/lustre-mds1 (opts:) on oleg352-server 1 1231 0.27 MB/sec execute 40 sec latency 100.823 ms 1 1245 0.26 MB/sec execute 41 sec latency 530.955 ms 1 1245 0.26 MB/sec execute 42 sec latency 1531.139 ms 1 1245 0.25 MB/sec execute 43 sec latency 2531.287 ms 1 1245 0.25 MB/sec execute 44 sec latency 3531.536 ms 04:17:02 (1788596222) shut down 1 1245 0.24 MB/sec execute 45 sec latency 4532.980 ms facet: mds1 facet_host: oleg352-server facet_failover_host: oleg352-server 1 1245 0.23 MB/sec execute 46 sec latency 5534.306 ms 1 1245 0.23 MB/sec execute 47 sec latency 6534.911 ms 1 1245 0.23 MB/sec execute 48 sec latency 7537.374 ms 1 1245 0.22 MB/sec execute 49 sec latency 8537.679 ms 1 1245 0.22 MB/sec execute 50 sec latency 9537.863 ms 1 1245 0.21 MB/sec execute 51 sec latency 10538.427 ms 1 1245 0.21 MB/sec execute 52 sec latency 11539.011 ms 1 1245 0.20 MB/sec execute 53 sec latency 12539.266 ms 1 1245 0.20 MB/sec execute 54 sec latency 13539.776 ms 1 1245 0.20 MB/sec execute 55 sec latency 14540.333 ms Failover mds1 to oleg352-server mount facets: mds1 1 1245 0.19 MB/sec execute 56 sec latency 15544.644 ms 1 1245 0.19 MB/sec execute 57 sec latency 16544.843 ms 1 1245 0.19 MB/sec execute 58 sec latency 17545.724 ms 1 1245 0.18 MB/sec execute 59 sec latency 18546.049 ms 1 1245 0.18 MB/sec execute 60 sec latency 19546.645 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1245 0.18 MB/sec execute 61 sec latency 20546.968 ms 1 1245 0.17 MB/sec execute 62 sec latency 21547.198 ms 1 1245 0.17 MB/sec execute 63 sec latency 22547.542 ms 1 1245 0.17 MB/sec execute 64 sec latency 23547.826 ms 1 1245 0.17 MB/sec execute 65 sec latency 24548.010 ms 1 1245 0.16 MB/sec execute 66 sec latency 25548.203 ms 1 1245 0.16 MB/sec execute 67 sec latency 26548.519 ms 1 1245 0.16 MB/sec execute 68 sec latency 27548.777 ms 1 1245 0.16 MB/sec execute 69 sec latency 28548.965 ms 1 1245 0.15 MB/sec execute 70 sec latency 29549.180 ms 1 1245 0.15 MB/sec execute 71 sec latency 30549.392 ms 1 1245 0.15 MB/sec execute 72 sec latency 31562.560 ms 1 1245 0.15 MB/sec execute 73 sec latency 32565.808 ms 1 1245 0.15 MB/sec execute 74 sec latency 33565.995 ms 1 1245 0.14 MB/sec execute 75 sec latency 34566.194 ms oleg352-server: oleg352-server.virtnet: executing set_default_debug -1 all 1 1245 0.14 MB/sec execute 76 sec latency 35566.449 ms pdsh@oleg352-client: oleg352-server: ssh exited with exit code 1 1 1245 0.14 MB/sec execute 77 sec latency 36566.910 ms Started lustre-MDT0000 04:17:35 (1788596255) targets are mounted 04:17:35 (1788596255) facet_failover done 1 1245 0.14 MB/sec execute 78 sec latency 37567.174 ms 1 1245 0.14 MB/sec execute 79 sec latency 38576.500 ms 1 1245 0.14 MB/sec execute 80 sec latency 39576.686 ms 1 1245 0.13 MB/sec execute 81 sec latency 40576.923 ms 1 1245 0.13 MB/sec execute 82 sec latency 41577.491 ms 1 1245 0.13 MB/sec execute 83 sec latency 42577.662 ms 1 1245 0.13 MB/sec execute 84 sec latency 43577.813 ms 1 1245 0.13 MB/sec execute 85 sec latency 44579.862 ms 1 1262 0.13 MB/sec execute 86 sec latency 44801.675 ms 1 1399 0.16 MB/sec execute 87 sec latency 104.106 ms 1 1446 0.16 MB/sec execute 88 sec latency 99.961 ms 1 1492 0.15 MB/sec execute 89 sec latency 213.693 ms 1 1532 0.15 MB/sec execute 90 sec latency 109.204 ms oleg352-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1582 0.15 MB/sec execute 91 sec latency 95.622 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1632 0.15 MB/sec execute 92 sec latency 90.195 ms 1 1662 0.15 MB/sec execute 93 sec latency 246.949 ms 1 1698 0.15 MB/sec execute 94 sec latency 107.253 ms 1 1777 0.15 MB/sec execute 95 sec latency 77.590 ms 1 1849 0.15 MB/sec execute 96 sec latency 69.770 ms 1 1902 0.15 MB/sec execute 97 sec latency 208.537 ms 1 1974 0.14 MB/sec execute 98 sec latency 89.745 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 32768 3704832 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3704832 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7409664 1% /mnt/lustre 1 2016 0.14 MB/sec execute 99 sec latency 134.966 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 308 153.626 30112.971 Close 249 12.708 38.731 Rename 11 89.472 131.691 Unlink 27 25.291 76.997 Qpathinfo 250 194.539 44801.657 Qfileinfo 82 2.065 18.424 Qfsinfo 33 4.572 55.445 Sfileinfo 34 63.065 104.092 Find 84 6.789 79.355 WriteX 312 11.565 67.337 ReadX 324 1.896 73.632 Flush 30 136.776 256.113 Throughput 0.143929 MB/sec 1 clients 1 procs max_latency=44801.675 ms stopping dbench on /mnt/lustre at Sat Sep 5 04:18:01 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished test_26 fail mds1 3 times looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Failing mds1 on oleg352-server Stopping /mnt/lustre-mds1 (opts:) on oleg352-server 04:18:09 (1788596289) shut down facet: mds1 facet_host: oleg352-server facet_failover_host: oleg352-server Failover mds1 to oleg352-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg352-server: oleg352-server.virtnet: executing set_default_debug -1 all pdsh@oleg352-client: oleg352-server: ssh exited with exit code 1 Started lustre-MDT0000 04:18:34 (1788596314) targets are mounted 04:18:34 (1788596314) facet_failover done '/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 Sep 5 04:18:49 EDT 2026 waiting for dbench pid 47733 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 98.508 ms 1 71 1.57 MB/sec warmup 2 sec latency 207.879 ms 1 114 1.75 MB/sec warmup 3 sec latency 192.296 ms 1 147 1.57 MB/sec warmup 4 sec latency 183.128 ms 1 172 1.41 MB/sec warmup 5 sec latency 177.810 ms oleg352-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 200 1.30 MB/sec warmup 6 sec latency 139.163 ms 1 247 1.34 MB/sec warmup 7 sec latency 122.162 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 289 1.33 MB/sec warmup 8 sec latency 133.419 ms 1 323 1.30 MB/sec warmup 9 sec latency 122.759 ms 1 356 1.28 MB/sec warmup 10 sec latency 154.905 ms 1 390 1.25 MB/sec warmup 11 sec latency 180.698 ms 1 440 1.28 MB/sec warmup 12 sec latency 105.182 ms 1 485 1.30 MB/sec warmup 13 sec latency 198.395 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 52224 3674112 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3716096 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 61440 7390208 1% /mnt/lustre 1 511 1.26 MB/sec warmup 14 sec latency 176.792 ms 1 543 1.27 MB/sec warmup 15 sec latency 223.434 ms 1 636 1.31 MB/sec warmup 16 sec latency 99.958 ms 1 666 1.24 MB/sec warmup 17 sec latency 116.459 ms 1 692 1.18 MB/sec warmup 18 sec latency 170.026 ms 1 721 1.12 MB/sec warmup 19 sec latency 131.267 ms test_26 fail mds1 4 times 1 776 0.05 MB/sec execute 1 sec latency 362.951 ms Failing mds1 on oleg352-server 1 794 0.08 MB/sec execute 2 sec latency 269.241 ms 1 817 0.06 MB/sec execute 3 sec latency 149.316 ms Stopping /mnt/lustre-mds1 (opts:) on oleg352-server 1 868 0.08 MB/sec execute 4 sec latency 117.974 ms 1 870 0.07 MB/sec execute 5 sec latency 977.502 ms 1 870 0.06 MB/sec execute 6 sec latency 1978.269 ms 04:19:15 (1788596355) shut down facet: mds1 facet_host: oleg352-server facet_failover_host: oleg352-server 1 870 0.05 MB/sec execute 7 sec latency 2980.026 ms 1 870 0.04 MB/sec execute 8 sec latency 3980.268 ms 1 870 0.04 MB/sec execute 9 sec latency 4980.621 ms 1 870 0.03 MB/sec execute 10 sec latency 5980.947 ms 1 870 0.03 MB/sec execute 11 sec latency 6981.187 ms 1 870 0.03 MB/sec execute 12 sec latency 7981.436 ms 1 870 0.03 MB/sec execute 13 sec latency 8982.749 ms 1 870 0.02 MB/sec execute 14 sec latency 9983.925 ms 1 870 0.02 MB/sec execute 15 sec latency 10985.795 ms 1 870 0.02 MB/sec execute 16 sec latency 11986.087 ms Failover mds1 to oleg352-server mount facets: mds1 1 870 0.02 MB/sec execute 17 sec latency 12986.319 ms 1 870 0.02 MB/sec execute 18 sec latency 13986.483 ms 1 870 0.02 MB/sec execute 19 sec latency 14986.675 ms 1 870 0.02 MB/sec execute 20 sec latency 15986.984 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 870 0.02 MB/sec execute 21 sec latency 16987.184 ms 1 870 0.02 MB/sec execute 22 sec latency 18004.698 ms 1 870 0.01 MB/sec execute 23 sec latency 19005.535 ms 1 870 0.01 MB/sec execute 24 sec latency 20005.797 ms 1 870 0.01 MB/sec execute 25 sec latency 21006.487 ms 1 870 0.01 MB/sec execute 26 sec latency 22007.296 ms 1 870 0.01 MB/sec execute 27 sec latency 23007.986 ms oleg352-server: oleg352-server.virtnet: executing set_default_debug -1 all 1 870 0.01 MB/sec execute 28 sec latency 24010.443 ms 1 870 0.01 MB/sec execute 29 sec latency 25010.732 ms pdsh@oleg352-client: oleg352-server: ssh exited with exit code 1 Started lustre-MDT0000 04:19:39 (1788596379) targets are mounted 1 870 0.01 MB/sec execute 30 sec latency 26010.932 ms 04:19:39 (1788596379) facet_failover done 1 870 0.01 MB/sec execute 31 sec latency 27013.151 ms 1 870 0.01 MB/sec execute 32 sec latency 28013.564 ms 1 870 0.01 MB/sec execute 33 sec latency 29013.846 ms 1 870 0.01 MB/sec execute 34 sec latency 30014.113 ms 1 870 0.01 MB/sec execute 35 sec latency 31014.488 ms 1 870 0.01 MB/sec execute 36 sec latency 32014.717 ms 1 870 0.01 MB/sec execute 37 sec latency 33014.950 ms 1 870 0.01 MB/sec execute 38 sec latency 34015.136 ms 1 870 0.01 MB/sec execute 39 sec latency 35015.318 ms 1 870 0.01 MB/sec execute 40 sec latency 36015.517 ms 1 870 0.01 MB/sec execute 41 sec latency 37015.755 ms 1 870 0.01 MB/sec execute 42 sec latency 38015.953 ms 1 870 0.01 MB/sec execute 43 sec latency 39018.014 ms 1 870 0.01 MB/sec execute 44 sec latency 40018.196 ms 1 888 0.01 MB/sec execute 45 sec latency 40164.795 ms 1 913 0.01 MB/sec execute 46 sec latency 157.114 ms 1 948 0.01 MB/sec execute 47 sec latency 250.009 ms 1 979 0.01 MB/sec execute 48 sec latency 102.518 ms 1 998 0.01 MB/sec execute 49 sec latency 238.259 ms oleg352-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1063 0.03 MB/sec execute 50 sec latency 109.659 ms 1 1124 0.03 MB/sec execute 51 sec latency 85.761 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1154 0.03 MB/sec execute 52 sec latency 110.196 ms 1 1193 0.03 MB/sec execute 53 sec latency 96.858 ms 1 1224 0.03 MB/sec execute 54 sec latency 129.347 ms 1 1261 0.03 MB/sec execute 55 sec latency 89.196 ms 1 1391 0.08 MB/sec execute 56 sec latency 100.212 ms 1 1426 0.08 MB/sec execute 57 sec latency 132.457 ms 1 1481 0.08 MB/sec execute 58 sec latency 185.232 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1519 0.08 MB/sec execute 59 sec latency 257.711 ms 1 1580 0.08 MB/sec execute 60 sec latency 69.287 ms 1 1632 0.08 MB/sec execute 61 sec latency 101.324 ms 1 1660 0.08 MB/sec execute 62 sec latency 339.373 ms 1 1719 0.08 MB/sec execute 63 sec latency 95.162 ms 1 1795 0.08 MB/sec execute 64 sec latency 83.446 ms 1 1840 0.08 MB/sec execute 65 sec latency 138.143 ms 1 1884 0.08 MB/sec execute 66 sec latency 242.291 ms 1 1961 0.08 MB/sec execute 67 sec latency 276.418 ms 1 2027 0.08 MB/sec execute 68 sec latency 110.387 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 04:20:17 EDT 2026 with return code 0 47733 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47733 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished