== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:30:23 (1787193023) Starting client oleg604-client.virtnet: -o user_xattr,flock 192.168.206.104@tcp:/lustre /mnt/lustre Started clients oleg604-client.virtnet: 192.168.206.104@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 45202 Started dbench loop with 45203 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 14336 3735552 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7487488 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 Wed Aug 19 22:30:28 EDT 2026 waiting for dbench pid 45272 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 37 1.24 MB/sec warmup 1 sec latency 99.371 ms 1 91 2.10 MB/sec warmup 2 sec latency 128.203 ms 1 133 1.94 MB/sec warmup 3 sec latency 137.375 ms 1 168 1.70 MB/sec warmup 4 sec latency 135.647 ms test_26 fail mds1 1 times 1 199 1.57 MB/sec warmup 5 sec latency 151.255 ms 1 234 1.48 MB/sec warmup 6 sec latency 149.792 ms Failing mds1 on oleg604-server 1 279 1.49 MB/sec warmup 7 sec latency 123.513 ms Stopping /mnt/lustre-mds1 (opts:) on oleg604-server 1 315 1.43 MB/sec warmup 8 sec latency 166.582 ms 1 315 1.27 MB/sec warmup 9 sec latency 1106.864 ms 1 315 1.15 MB/sec warmup 10 sec latency 2108.299 ms 22:30:38 (1787193038) shut down facet: mds1 facet_host: oleg604-server facet_failover_host: oleg604-server 1 315 1.04 MB/sec warmup 11 sec latency 3109.861 ms 1 315 0.96 MB/sec warmup 12 sec latency 4110.501 ms 1 315 0.88 MB/sec warmup 13 sec latency 5110.797 ms 1 315 0.82 MB/sec warmup 14 sec latency 6111.006 ms 1 315 0.76 MB/sec warmup 15 sec latency 7111.231 ms 1 315 0.72 MB/sec warmup 16 sec latency 8111.444 ms 1 315 0.67 MB/sec warmup 17 sec latency 9111.751 ms 1 315 0.64 MB/sec warmup 18 sec latency 10111.918 ms 1 315 0.60 MB/sec warmup 19 sec latency 11113.910 ms Failover mds1 to oleg604-server mount facets: mds1 1 315 0.00 MB/sec execute 1 sec latency 13114.519 ms 1 315 0.00 MB/sec execute 2 sec latency 14114.920 ms 1 315 0.00 MB/sec execute 3 sec latency 15115.184 ms 1 315 0.00 MB/sec execute 4 sec latency 16116.651 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 5 sec latency 17117.122 ms 1 315 0.00 MB/sec execute 6 sec latency 18117.380 ms 1 315 0.00 MB/sec execute 7 sec latency 19118.104 ms 1 315 0.00 MB/sec execute 8 sec latency 20118.306 ms 1 315 0.00 MB/sec execute 9 sec latency 21118.503 ms oleg604-server: oleg604-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 10 sec latency 22121.044 ms pdsh@oleg604-client: oleg604-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 11 sec latency 23124.039 ms 1 321 0.02 MB/sec execute 12 sec latency 24033.300 ms Started lustre-MDT0000 22:31:00 (1787193060) targets are mounted 22:31:00 (1787193060) facet_failover done 1 350 0.08 MB/sec execute 13 sec latency 227.309 ms 1 395 0.18 MB/sec execute 14 sec latency 116.696 ms 1 429 0.24 MB/sec execute 15 sec latency 154.833 ms 1 461 0.29 MB/sec execute 16 sec latency 136.181 ms 1 503 0.35 MB/sec execute 17 sec latency 147.266 ms 1 543 0.42 MB/sec execute 18 sec latency 179.044 ms oleg604-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 640 0.50 MB/sec execute 19 sec latency 80.074 ms 1 669 0.48 MB/sec execute 20 sec latency 254.040 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 699 0.46 MB/sec execute 21 sec latency 115.086 ms 1 728 0.45 MB/sec execute 22 sec latency 153.100 ms 1 769 0.43 MB/sec execute 23 sec latency 91.825 ms 1 791 0.42 MB/sec execute 24 sec latency 307.037 ms 1 825 0.40 MB/sec execute 25 sec latency 138.008 ms 1 873 0.39 MB/sec execute 26 sec latency 212.461 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3680256 1% /mnt/lustre[OST:0] 1 901 0.38 MB/sec execute 27 sec latency 214.126 ms lustre-OST0001_UUID 3771392 14336 3682304 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7362560 1% /mnt/lustre 1 918 0.37 MB/sec execute 28 sec latency 294.534 ms 1 954 0.36 MB/sec execute 29 sec latency 104.588 ms 1 981 0.35 MB/sec execute 30 sec latency 168.544 ms 1 1037 0.37 MB/sec execute 31 sec latency 105.741 ms 1 1092 0.36 MB/sec execute 32 sec latency 78.739 ms test_26 fail mds1 2 times 1 1147 0.35 MB/sec execute 33 sec latency 104.880 ms 1 1192 0.34 MB/sec execute 34 sec latency 122.013 ms Failing mds1 on oleg604-server 1 1233 0.33 MB/sec execute 35 sec latency 82.363 ms Stopping /mnt/lustre-mds1 (opts:) on oleg604-server 1 1274 0.32 MB/sec execute 36 sec latency 116.144 ms 1 1296 0.32 MB/sec execute 37 sec latency 810.651 ms 1 1296 0.31 MB/sec execute 38 sec latency 1811.094 ms 22:31:26 (1787193086) shut down facet: mds1 facet_host: oleg604-server facet_failover_host: oleg604-server 1 1296 0.31 MB/sec execute 39 sec latency 2811.948 ms 1 1296 0.30 MB/sec execute 40 sec latency 3812.477 ms 1 1296 0.29 MB/sec execute 41 sec latency 4812.728 ms 1 1296 0.28 MB/sec execute 42 sec latency 5812.928 ms 1 1296 0.28 MB/sec execute 43 sec latency 6814.163 ms 1 1296 0.27 MB/sec execute 44 sec latency 7814.458 ms 1 1296 0.27 MB/sec execute 45 sec latency 8814.770 ms 1 1296 0.26 MB/sec execute 46 sec latency 9815.298 ms 1 1296 0.25 MB/sec execute 47 sec latency 10815.746 ms 1 1296 0.25 MB/sec execute 48 sec latency 11816.116 ms Failover mds1 to oleg604-server mount facets: mds1 1 1296 0.24 MB/sec execute 49 sec latency 12816.392 ms 1 1296 0.24 MB/sec execute 50 sec latency 13816.743 ms 1 1296 0.23 MB/sec execute 51 sec latency 14817.197 ms 1 1296 0.23 MB/sec execute 52 sec latency 15817.908 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1296 0.23 MB/sec execute 53 sec latency 16818.225 ms 1 1296 0.22 MB/sec execute 54 sec latency 17818.510 ms 1 1296 0.22 MB/sec execute 55 sec latency 18819.950 ms 1 1296 0.21 MB/sec execute 56 sec latency 19820.401 ms 1 1296 0.21 MB/sec execute 57 sec latency 20821.095 ms oleg604-server: oleg604-server.virtnet: executing set_default_debug -1 all 1 1403 0.25 MB/sec execute 58 sec latency 21190.974 ms pdsh@oleg604-client: oleg604-server: ssh exited with exit code 1 1 1451 0.25 MB/sec execute 59 sec latency 99.139 ms Started lustre-MDT0000 22:31:48 (1787193108) targets are mounted 22:31:48 (1787193108) facet_failover done 1 1504 0.24 MB/sec execute 60 sec latency 168.282 ms 1 1570 0.24 MB/sec execute 61 sec latency 71.590 ms 1 1619 0.24 MB/sec execute 62 sec latency 81.047 ms 1 1659 0.23 MB/sec execute 63 sec latency 252.895 ms 1 1706 0.23 MB/sec execute 64 sec latency 100.565 ms 1 1779 0.23 MB/sec execute 65 sec latency 85.059 ms oleg604-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1843 0.23 MB/sec execute 66 sec latency 77.722 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1886 0.22 MB/sec execute 67 sec latency 145.811 ms 1 1965 0.22 MB/sec execute 68 sec latency 147.508 ms 1 2006 0.22 MB/sec execute 69 sec latency 104.538 ms 1 2069 0.22 MB/sec execute 70 sec latency 81.922 ms 1 2140 0.21 MB/sec execute 71 sec latency 90.865 ms 1 2174 0.21 MB/sec execute 72 sec latency 107.476 ms 1 2243 0.21 MB/sec execute 73 sec latency 109.582 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 47104 3698688 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 25600 3713024 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7411712 1% /mnt/lustre 1 2334 0.22 MB/sec execute 74 sec latency 84.519 ms 1 2369 0.22 MB/sec execute 75 sec latency 198.746 ms 1 2396 0.22 MB/sec execute 76 sec latency 347.357 ms 1 2434 0.22 MB/sec execute 77 sec latency 143.369 ms 1 2478 0.22 MB/sec execute 78 sec latency 154.774 ms test_26 fail mds1 3 times 1 2566 0.22 MB/sec execute 79 sec latency 140.821 ms 1 2566 0.22 MB/sec execute 80 sec latency 1150.737 ms Failing mds1 on oleg604-server 1 2603 0.22 MB/sec execute 81 sec latency 1180.350 ms Stopping /mnt/lustre-mds1 (opts:) on oleg604-server 1 2768 0.25 MB/sec execute 82 sec latency 101.841 ms 1 2769 0.25 MB/sec execute 83 sec latency 945.807 ms 22:32:12 (1787193132) shut down 1 2769 0.24 MB/sec execute 84 sec latency 1945.988 ms facet: mds1 facet_host: oleg604-server facet_failover_host: oleg604-server 1 2769 0.24 MB/sec execute 85 sec latency 2946.145 ms 1 2769 0.24 MB/sec execute 86 sec latency 3947.096 ms 1 2769 0.24 MB/sec execute 87 sec latency 4947.395 ms 1 2769 0.23 MB/sec execute 88 sec latency 5948.675 ms 1 2769 0.23 MB/sec execute 89 sec latency 6950.157 ms 1 2769 0.23 MB/sec execute 90 sec latency 7954.145 ms 1 2769 0.22 MB/sec execute 91 sec latency 8955.521 ms 1 2769 0.22 MB/sec execute 92 sec latency 9955.746 ms 1 2769 0.22 MB/sec execute 93 sec latency 10958.587 ms 1 2769 0.22 MB/sec execute 94 sec latency 11962.724 ms Failover mds1 to oleg604-server mount facets: mds1 1 2769 0.22 MB/sec execute 95 sec latency 12962.918 ms 1 2769 0.21 MB/sec execute 96 sec latency 13963.150 ms 1 2769 0.21 MB/sec execute 97 sec latency 14963.408 ms 1 2769 0.21 MB/sec execute 98 sec latency 15963.655 ms 1 2769 0.21 MB/sec execute 99 sec latency 16967.742 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 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 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec oleg604-server: oleg604-server.virtnet: executing set_default_debug -1 all 1 cleanup 116 sec pdsh@oleg604-client: oleg604-server: ssh exited with exit code 1 1 cleanup 117 sec Started lustre-MDT0000 22:32:46 (1787193166) targets are mounted 22:32:46 (1787193166) facet_failover done 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 0 cleanup 127 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 395 168.554 24033.285 Close 340 131.663 40870.165 Rename 17 88.886 127.896 Unlink 41 27.006 56.946 Qpathinfo 357 15.826 93.471 Qfileinfo 110 1.853 7.342 Qfsinfo 52 4.434 27.636 Sfileinfo 50 53.999 138.590 Find 126 5.862 59.395 WriteX 392 11.957 127.812 ReadX 540 1.464 86.517 Flush 35 142.242 347.336 Throughput 0.20661 MB/sec 1 clients 1 procs max_latency=24033.300 ms stopping dbench on /mnt/lustre at Wed Aug 19 22:32:55 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg604-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 Wed Aug 19 22:33:02 EDT 2026 waiting for dbench pid 48190 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 37 1.24 MB/sec warmup 1 sec latency 126.528 ms 1 100 2.28 MB/sec warmup 2 sec latency 146.634 ms 1 139 2.00 MB/sec warmup 3 sec latency 164.483 ms 1 177 1.77 MB/sec warmup 4 sec latency 154.796 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3684352 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7429120 1% /mnt/lustre 1 199 1.56 MB/sec warmup 5 sec latency 236.169 ms 1 232 1.48 MB/sec warmup 6 sec latency 140.212 ms 1 279 1.49 MB/sec warmup 7 sec latency 152.377 ms 1 310 1.41 MB/sec warmup 8 sec latency 162.985 ms 1 356 1.42 MB/sec warmup 9 sec latency 123.367 ms 1 400 1.40 MB/sec warmup 10 sec latency 114.851 ms test_26 fail mds1 4 times 1 440 1.39 MB/sec warmup 11 sec latency 132.598 ms Failing mds1 on oleg604-server 1 478 1.39 MB/sec warmup 12 sec latency 133.187 ms Stopping /mnt/lustre-mds1 (opts:) on oleg604-server 1 514 1.36 MB/sec warmup 13 sec latency 144.615 ms 1 600 1.49 MB/sec warmup 14 sec latency 218.112 ms 1 600 1.39 MB/sec warmup 15 sec latency 1227.958 ms 22:33:18 (1787193198) shut down 1 600 1.31 MB/sec warmup 16 sec latency 2237.746 ms facet: mds1 facet_host: oleg604-server facet_failover_host: oleg604-server 1 600 1.23 MB/sec warmup 17 sec latency 3238.044 ms 1 600 1.16 MB/sec warmup 18 sec latency 4239.908 ms 1 600 1.10 MB/sec warmup 19 sec latency 5242.301 ms 1 600 0.00 MB/sec execute 1 sec latency 7247.428 ms 1 600 0.00 MB/sec execute 2 sec latency 8247.659 ms 1 600 0.00 MB/sec execute 3 sec latency 9248.061 ms 1 600 0.00 MB/sec execute 4 sec latency 10248.263 ms 1 600 0.00 MB/sec execute 5 sec latency 11248.515 ms 1 600 0.00 MB/sec execute 6 sec latency 12248.679 ms Failover mds1 to oleg604-server mount facets: mds1 1 600 0.00 MB/sec execute 7 sec latency 13248.811 ms 1 600 0.00 MB/sec execute 8 sec latency 14249.230 ms 1 600 0.00 MB/sec execute 9 sec latency 15249.656 ms 1 600 0.00 MB/sec execute 10 sec latency 16251.404 ms 1 600 0.00 MB/sec execute 11 sec latency 17251.752 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 12 sec latency 18251.981 ms 1 600 0.00 MB/sec execute 13 sec latency 19252.316 ms 1 600 0.00 MB/sec execute 14 sec latency 20254.389 ms 1 600 0.00 MB/sec execute 15 sec latency 21254.985 ms 1 600 0.00 MB/sec execute 16 sec latency 22256.717 ms 1 600 0.00 MB/sec execute 17 sec latency 23257.069 ms 1 600 0.00 MB/sec execute 18 sec latency 24257.247 ms 1 600 0.00 MB/sec execute 19 sec latency 25258.022 ms 1 600 0.00 MB/sec execute 20 sec latency 26258.425 ms 1 600 0.00 MB/sec execute 21 sec latency 27259.960 ms 1 600 0.00 MB/sec execute 22 sec latency 28260.792 ms 1 600 0.00 MB/sec execute 23 sec latency 29261.234 ms 1 600 0.00 MB/sec execute 24 sec latency 30261.380 ms 1 600 0.00 MB/sec execute 25 sec latency 31261.626 ms 1 600 0.00 MB/sec execute 26 sec latency 32261.898 ms 1 600 0.00 MB/sec execute 27 sec latency 33262.063 ms oleg604-server: oleg604-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 28 sec latency 34262.342 ms pdsh@oleg604-client: oleg604-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 29 sec latency 35262.529 ms Started lustre-MDT0000 22:33:52 (1787193232) targets are mounted 22:33:52 (1787193232) facet_failover done 1 600 0.00 MB/sec execute 30 sec latency 36262.728 ms 1 600 0.00 MB/sec execute 31 sec latency 37263.033 ms 1 600 0.00 MB/sec execute 32 sec latency 38263.313 ms 1 600 0.00 MB/sec execute 33 sec latency 39263.826 ms 1 639 0.00 MB/sec execute 34 sec latency 39588.880 ms 1 676 0.01 MB/sec execute 35 sec latency 157.280 ms 1 713 0.01 MB/sec execute 36 sec latency 98.602 ms 1 740 0.01 MB/sec execute 37 sec latency 176.196 ms oleg604-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.01 MB/sec execute 38 sec latency 111.638 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 804 0.01 MB/sec execute 39 sec latency 222.572 ms 1 864 0.02 MB/sec execute 40 sec latency 89.823 ms 1 902 0.02 MB/sec execute 41 sec latency 172.771 ms 1 936 0.02 MB/sec execute 42 sec latency 161.539 ms 1 985 0.02 MB/sec execute 43 sec latency 133.240 ms 1 1038 0.04 MB/sec execute 44 sec latency 146.365 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1123 0.04 MB/sec execute 45 sec latency 58.117 ms 1 1173 0.04 MB/sec execute 46 sec latency 107.239 ms 1 1225 0.04 MB/sec execute 47 sec latency 69.601 ms 1 1269 0.05 MB/sec execute 48 sec latency 98.739 ms 1 1410 0.10 MB/sec execute 49 sec latency 84.920 ms 1 1476 0.10 MB/sec execute 50 sec latency 80.030 ms 1 1516 0.10 MB/sec execute 51 sec latency 223.223 ms 1 1569 0.10 MB/sec execute 52 sec latency 78.704 ms 1 1609 0.10 MB/sec execute 53 sec latency 108.096 ms 1 1655 0.10 MB/sec execute 54 sec latency 208.491 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 19 22:34:17 EDT 2026 with return code 0 1 1707 0.10 MB/sec execute 55 sec latency 95.863 ms 48190 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48190 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished