== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:57:52 (1781276272) Starting client oleg227-client.virtnet: -o user_xattr,flock 192.168.202.127@tcp:/lustre /mnt/lustre Started clients oleg227-client.virtnet: 192.168.202.127@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 65672 Started dbench loop with 65674 striped dir -i0 -c2 -H fnv_1a_64 /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 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3584916 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190372 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 Jun 12 10:57:59 EDT 2026 waiting for dbench pid 65751 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 8 0.00 MB/sec warmup 1 sec latency 172.302 ms 1 50 1.05 MB/sec warmup 2 sec latency 130.087 ms 1 94 1.39 MB/sec warmup 3 sec latency 143.823 ms 1 129 1.44 MB/sec warmup 4 sec latency 190.015 ms 1 157 1.31 MB/sec warmup 5 sec latency 168.952 ms 1 182 1.22 MB/sec warmup 6 sec latency 154.407 ms 1 189 1.08 MB/sec warmup 7 sec latency 750.549 ms 1 215 1.04 MB/sec warmup 8 sec latency 177.310 ms 1 279 1.16 MB/sec warmup 9 sec latency 108.088 ms 1 342 1.22 MB/sec warmup 10 sec latency 91.446 ms test_26 fail mds1 1 times 1 381 1.23 MB/sec warmup 11 sec latency 159.641 ms 1 417 1.22 MB/sec warmup 12 sec latency 207.629 ms Failing mds1 on oleg227-server 1 461 1.24 MB/sec warmup 13 sec latency 135.665 ms Stopping /mnt/lustre-mds1 (opts:) on oleg227-server 1 501 1.24 MB/sec warmup 14 sec latency 148.606 ms 1 534 1.24 MB/sec warmup 15 sec latency 291.050 ms 1 606 1.31 MB/sec warmup 16 sec latency 238.525 ms 10:58:16 (1781276296) shut down facet: mds1 facet_host: oleg227-server facet_failover_host: oleg227-server 1 606 1.23 MB/sec warmup 17 sec latency 1240.821 ms 1 606 1.16 MB/sec warmup 18 sec latency 2241.075 ms 1 606 1.10 MB/sec warmup 19 sec latency 3241.281 ms 1 606 0.00 MB/sec execute 1 sec latency 5243.941 ms 1 606 0.00 MB/sec execute 2 sec latency 6245.760 ms 1 606 0.00 MB/sec execute 3 sec latency 7246.004 ms 1 606 0.00 MB/sec execute 4 sec latency 8246.406 ms 1 606 0.00 MB/sec execute 5 sec latency 9247.775 ms 1 606 0.00 MB/sec execute 6 sec latency 10247.974 ms 1 606 0.00 MB/sec execute 7 sec latency 11252.596 ms Failover mds1 to oleg227-server mount facets: mds1 1 606 0.00 MB/sec execute 8 sec latency 12252.985 ms 1 606 0.00 MB/sec execute 9 sec latency 13254.721 ms 1 606 0.00 MB/sec execute 10 sec latency 14255.844 ms 1 606 0.00 MB/sec execute 11 sec latency 15256.425 ms 1 606 0.00 MB/sec execute 12 sec latency 16256.911 ms 1 606 0.00 MB/sec execute 13 sec latency 17258.270 ms 1 606 0.00 MB/sec execute 14 sec latency 18258.458 ms 1 606 0.00 MB/sec execute 15 sec latency 19261.131 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 16 sec latency 20263.114 ms 1 606 0.00 MB/sec execute 17 sec latency 21264.225 ms 1 606 0.00 MB/sec execute 18 sec latency 22264.431 ms 1 606 0.00 MB/sec execute 19 sec latency 23266.841 ms 1 606 0.00 MB/sec execute 20 sec latency 24267.077 ms 1 606 0.00 MB/sec execute 21 sec latency 25270.410 ms 1 606 0.00 MB/sec execute 22 sec latency 26271.127 ms 1 606 0.00 MB/sec execute 23 sec latency 27275.583 ms 1 606 0.00 MB/sec execute 24 sec latency 28275.868 ms 1 606 0.00 MB/sec execute 25 sec latency 29276.505 ms 1 606 0.00 MB/sec execute 26 sec latency 30279.082 ms 1 606 0.00 MB/sec execute 27 sec latency 31279.916 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 28 sec latency 32280.333 ms pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 29 sec latency 33283.047 ms Started lustre-MDT0000 10:58:49 (1781276329) targets are mounted 10:58:49 (1781276329) facet_failover done 1 606 0.00 MB/sec execute 30 sec latency 34283.268 ms 1 655 0.00 MB/sec execute 31 sec latency 34385.891 ms 1 691 0.01 MB/sec execute 32 sec latency 142.889 ms 1 720 0.01 MB/sec execute 33 sec latency 130.740 ms 1 721 0.01 MB/sec execute 34 sec latency 1000.039 ms 1 744 0.01 MB/sec execute 35 sec latency 310.705 ms 1 791 0.01 MB/sec execute 36 sec latency 132.792 ms oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 848 0.02 MB/sec execute 37 sec latency 98.528 ms 1 878 0.02 MB/sec execute 38 sec latency 120.727 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 907 0.02 MB/sec execute 39 sec latency 120.332 ms 1 929 0.02 MB/sec execute 40 sec latency 152.039 ms 1 979 0.02 MB/sec execute 41 sec latency 78.175 ms 1 1041 0.05 MB/sec execute 42 sec latency 90.363 ms 1 1104 0.05 MB/sec execute 43 sec latency 74.861 ms 1 1156 0.05 MB/sec execute 44 sec latency 123.301 ms 1 1192 0.05 MB/sec execute 45 sec latency 112.267 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1988 1269316 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 19112 3587276 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 39592 3567104 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58704 7154380 1% /mnt/lustre 1 1224 0.05 MB/sec execute 46 sec latency 148.915 ms 1 1261 0.05 MB/sec execute 47 sec latency 106.686 ms 1 1319 0.07 MB/sec execute 48 sec latency 266.882 ms 1 1397 0.10 MB/sec execute 49 sec latency 606.935 ms 1 1465 0.10 MB/sec execute 50 sec latency 75.383 ms 1 1509 0.10 MB/sec execute 51 sec latency 121.464 ms 1 1550 0.10 MB/sec execute 52 sec latency 153.101 ms 1 1597 0.10 MB/sec execute 53 sec latency 79.130 ms 1 1653 0.10 MB/sec execute 54 sec latency 72.698 ms test_26 fail mds2 2 times 1 1696 0.10 MB/sec execute 55 sec latency 143.759 ms 1 1754 0.09 MB/sec execute 56 sec latency 84.929 ms Failing mds2 on oleg227-server 1 1820 0.09 MB/sec execute 57 sec latency 99.189 ms Stopping /mnt/lustre-mds2 (opts:) on oleg227-server 1 1855 0.09 MB/sec execute 58 sec latency 144.661 ms 1 1938 0.09 MB/sec execute 59 sec latency 86.350 ms 1 2012 0.09 MB/sec execute 60 sec latency 78.756 ms 1 2061 0.09 MB/sec execute 61 sec latency 92.123 ms 1 2138 0.09 MB/sec execute 62 sec latency 92.047 ms 1 2191 0.09 MB/sec execute 63 sec latency 72.886 ms 1 2251 0.09 MB/sec execute 64 sec latency 90.956 ms 1 2259 0.09 MB/sec execute 65 sec latency 943.335 ms 1 2259 0.09 MB/sec execute 66 sec latency 1943.634 ms 10:59:26 (1781276366) shut down facet: mds2 facet_host: oleg227-server facet_failover_host: oleg227-server 1 2259 0.09 MB/sec execute 67 sec latency 2944.569 ms 1 2259 0.09 MB/sec execute 68 sec latency 3944.801 ms 1 2259 0.08 MB/sec execute 69 sec latency 4945.012 ms 1 2259 0.08 MB/sec execute 70 sec latency 5949.249 ms 1 2259 0.08 MB/sec execute 71 sec latency 6950.448 ms 1 2259 0.08 MB/sec execute 72 sec latency 7950.937 ms 1 2259 0.08 MB/sec execute 73 sec latency 8952.106 ms 1 2259 0.08 MB/sec execute 74 sec latency 9954.440 ms 1 2259 0.08 MB/sec execute 75 sec latency 10954.642 ms 1 2259 0.08 MB/sec execute 76 sec latency 11956.825 ms 1 2259 0.08 MB/sec execute 77 sec latency 12957.248 ms Failover mds2 to oleg227-server mount facets: mds2 1 2259 0.07 MB/sec execute 78 sec latency 13958.032 ms 1 2259 0.07 MB/sec execute 79 sec latency 14959.900 ms 1 2259 0.07 MB/sec execute 80 sec latency 15960.089 ms 1 2259 0.07 MB/sec execute 81 sec latency 16960.428 ms 1 2259 0.07 MB/sec execute 82 sec latency 17961.297 ms 1 2259 0.07 MB/sec execute 83 sec latency 18961.512 ms 1 2259 0.07 MB/sec execute 84 sec latency 19961.878 ms 1 2259 0.07 MB/sec execute 85 sec latency 20962.135 ms 1 2259 0.07 MB/sec execute 86 sec latency 21962.355 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.07 MB/sec execute 87 sec latency 22962.624 ms 1 2259 0.07 MB/sec execute 88 sec latency 23963.499 ms 1 2259 0.07 MB/sec execute 89 sec latency 24964.355 ms 1 2259 0.06 MB/sec execute 90 sec latency 25966.657 ms 1 2259 0.06 MB/sec execute 91 sec latency 26966.956 ms 1 2259 0.06 MB/sec execute 92 sec latency 27967.474 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 2259 0.06 MB/sec execute 93 sec latency 28967.680 ms pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 2259 0.06 MB/sec execute 94 sec latency 29968.610 ms 1 2259 0.06 MB/sec execute 95 sec latency 30968.919 ms Started lustre-MDT0001 10:59:54 (1781276394) targets are mounted 10:59:54 (1781276394) facet_failover done 1 2290 0.07 MB/sec execute 96 sec latency 31739.293 ms 1 2350 0.07 MB/sec execute 97 sec latency 94.853 ms 1 2386 0.07 MB/sec execute 98 sec latency 121.693 ms 1 2418 0.07 MB/sec execute 99 sec latency 119.365 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 340 140.875 31739.274 Close 289 11.755 62.357 Rename 14 81.393 143.741 Unlink 36 28.354 75.202 Qpathinfo 324 122.399 34384.560 Qfileinfo 60 3.031 24.926 Qfsinfo 37 3.416 24.698 Sfileinfo 44 63.195 152.024 Find 108 12.124 81.232 WriteX 182 12.149 67.065 ReadX 382 2.848 96.203 Flush 33 59.031 310.685 Throughput 0.0718983 MB/sec 1 clients 1 procs max_latency=34385.891 ms stopping dbench on /mnt/lustre at Fri Jun 12 11:00:03 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 2436 1268868 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2276 1269028 1% /mnt/lustre[MDT:1] '/usr/share/dbench/client.txt' -> 'client.txt' lustre-OST0000_UUID 3833116 25256 3559892 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1876 3605012 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27132 7164904 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Jun 12 11:00:10 EDT 2026 waiting for dbench pid 67899 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 0 10 0.00 MB/sec warmup 1 sec latency 18.205 ms 1 65 1.41 MB/sec warmup 2 sec latency 98.836 ms 1 113 1.75 MB/sec warmup 3 sec latency 160.617 ms 1 142 1.50 MB/sec warmup 4 sec latency 141.345 ms 1 173 1.41 MB/sec warmup 5 sec latency 180.059 ms 1 197 1.31 MB/sec warmup 6 sec latency 371.830 ms 1 215 1.19 MB/sec warmup 7 sec latency 458.807 ms 1 255 1.21 MB/sec warmup 8 sec latency 182.744 ms 1 303 1.24 MB/sec warmup 9 sec latency 115.392 ms test_26 fail mds1 3 times 1 339 1.23 MB/sec warmup 10 sec latency 114.082 ms 1 376 1.21 MB/sec warmup 11 sec latency 150.436 ms Failing mds1 on oleg227-server 1 402 1.18 MB/sec warmup 12 sec latency 166.668 ms 1 437 1.18 MB/sec warmup 13 sec latency 138.311 ms Stopping /mnt/lustre-mds1 (opts:) on oleg227-server 1 469 1.17 MB/sec warmup 14 sec latency 146.600 ms 1 501 1.16 MB/sec warmup 15 sec latency 274.929 ms 1 501 1.09 MB/sec warmup 16 sec latency 1276.324 ms 1 501 1.03 MB/sec warmup 17 sec latency 2279.856 ms 1 501 0.97 MB/sec warmup 18 sec latency 3280.018 ms 1 501 0.92 MB/sec warmup 19 sec latency 4280.232 ms 1 501 0.00 MB/sec execute 1 sec latency 6282.671 ms 1 501 0.00 MB/sec execute 2 sec latency 7283.762 ms 11:00:33 (1781276433) shut down facet: mds1 facet_host: oleg227-server facet_failover_host: oleg227-server 1 501 0.00 MB/sec execute 3 sec latency 8283.988 ms 1 501 0.00 MB/sec execute 4 sec latency 9284.377 ms 1 501 0.00 MB/sec execute 5 sec latency 10284.585 ms 1 501 0.00 MB/sec execute 6 sec latency 11284.897 ms 1 501 0.00 MB/sec execute 7 sec latency 12286.043 ms 1 501 0.00 MB/sec execute 8 sec latency 13286.930 ms 1 501 0.00 MB/sec execute 9 sec latency 14289.761 ms 1 501 0.00 MB/sec execute 10 sec latency 15289.951 ms 1 501 0.00 MB/sec execute 11 sec latency 16290.258 ms 1 501 0.00 MB/sec execute 12 sec latency 17290.503 ms Failover mds1 to oleg227-server 1 501 0.00 MB/sec execute 13 sec latency 18294.530 ms mount facets: mds1 1 501 0.00 MB/sec execute 14 sec latency 19297.488 ms 1 501 0.00 MB/sec execute 15 sec latency 20297.997 ms 1 501 0.00 MB/sec execute 16 sec latency 21298.185 ms 1 501 0.00 MB/sec execute 17 sec latency 22298.623 ms 1 501 0.00 MB/sec execute 18 sec latency 23298.841 ms 1 501 0.00 MB/sec execute 19 sec latency 24299.070 ms 1 501 0.00 MB/sec execute 20 sec latency 25299.278 ms 1 501 0.00 MB/sec execute 21 sec latency 26299.483 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 22 sec latency 27302.817 ms 1 501 0.00 MB/sec execute 23 sec latency 28304.223 ms 1 501 0.00 MB/sec execute 24 sec latency 29304.590 ms 1 501 0.00 MB/sec execute 25 sec latency 30305.856 ms 1 501 0.00 MB/sec execute 26 sec latency 31306.491 ms 1 501 0.00 MB/sec execute 27 sec latency 32306.676 ms 1 501 0.00 MB/sec execute 28 sec latency 33307.270 ms 1 501 0.00 MB/sec execute 29 sec latency 34307.552 ms 1 501 0.00 MB/sec execute 30 sec latency 35308.650 ms 1 501 0.00 MB/sec execute 31 sec latency 36309.027 ms 1 501 0.00 MB/sec execute 32 sec latency 37309.269 ms 1 501 0.00 MB/sec execute 33 sec latency 38310.103 ms 1 501 0.00 MB/sec execute 34 sec latency 39310.646 ms oleg227-server: oleg227-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 35 sec latency 40310.929 ms 1 501 0.00 MB/sec execute 36 sec latency 41311.474 ms pdsh@oleg227-client: oleg227-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 37 sec latency 42311.644 ms Started lustre-MDT0000 11:01:08 (1781276468) targets are mounted 11:01:09 (1781276469) facet_failover done 1 501 0.00 MB/sec execute 38 sec latency 43311.839 ms 1 526 0.02 MB/sec execute 39 sec latency 43421.278 ms 1 590 0.07 MB/sec execute 40 sec latency 149.857 ms 1 640 0.09 MB/sec execute 41 sec latency 157.371 ms 1 682 0.09 MB/sec execute 42 sec latency 120.914 ms 1 710 0.09 MB/sec execute 43 sec latency 137.819 ms 1 738 0.09 MB/sec execute 44 sec latency 144.776 ms 1 769 0.09 MB/sec execute 45 sec latency 153.912 ms oleg227-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 799 0.09 MB/sec execute 46 sec latency 133.253 ms 1 842 0.09 MB/sec execute 47 sec latency 176.188 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 870 0.09 MB/sec execute 48 sec latency 133.864 ms 1 884 0.09 MB/sec execute 49 sec latency 529.987 ms 1 902 0.08 MB/sec execute 50 sec latency 712.290 ms 1 928 0.08 MB/sec execute 51 sec latency 126.337 ms 1 966 0.08 MB/sec execute 52 sec latency 168.543 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 986 0.08 MB/sec execute 53 sec latency 112.148 ms 1 1028 0.10 MB/sec execute 54 sec latency 197.659 ms 1 1074 0.10 MB/sec execute 55 sec latency 126.072 ms 1 1127 0.10 MB/sec execute 56 sec latency 105.983 ms 1 1173 0.10 MB/sec execute 57 sec latency 115.846 ms 1 1215 0.10 MB/sec execute 58 sec latency 104.751 ms 1 1259 0.10 MB/sec execute 59 sec latency 119.904 ms 1 1394 0.14 MB/sec execute 60 sec latency 117.454 ms 1 1412 0.14 MB/sec execute 61 sec latency 272.049 ms 1 1459 0.14 MB/sec execute 62 sec latency 95.632 ms 1 1499 0.14 MB/sec execute 63 sec latency 347.766 ms 1 1548 0.13 MB/sec execute 64 sec latency 127.036 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jun 12 11:01:35 EDT 2026 with return code 0 1 1605 0.13 MB/sec execute 65 sec latency 77.681 ms 67899 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67899 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished