== replay-dual test 26: dbench and tar with mds failover ========================================================== 18:36:08 (1788215768) Starting client oleg606-client.virtnet: -o user_xattr,flock 192.168.206.106@tcp:/lustre /mnt/lustre Started clients oleg606-client.virtnet: 192.168.206.106@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 64043 Started dbench loop with 64044 striped dir -i0 -c2 -H crush /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 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 2210688 2048 2206592 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3741696 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7506944 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 Mon Aug 31 18:36:15 EDT 2026 waiting for dbench pid 64123 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 5 0.00 MB/sec warmup 1 sec latency 96.691 ms 1 20 0.20 MB/sec warmup 2 sec latency 304.505 ms 1 72 1.05 MB/sec warmup 3 sec latency 164.992 ms 1 113 1.31 MB/sec warmup 4 sec latency 225.842 ms test_26 fail mds1 1 times 1 154 1.31 MB/sec warmup 5 sec latency 148.313 ms 1 181 1.22 MB/sec warmup 6 sec latency 198.149 ms Failing mds1 on oleg606-server 1 202 1.12 MB/sec warmup 7 sec latency 181.730 ms Stopping /mnt/lustre-mds1 (opts:) on oleg606-server 1 234 1.11 MB/sec warmup 8 sec latency 163.057 ms 1 276 1.14 MB/sec warmup 9 sec latency 159.377 ms 1 316 1.14 MB/sec warmup 10 sec latency 126.282 ms 1 339 1.11 MB/sec warmup 11 sec latency 464.902 ms 18:36:27 (1788215787) shut down facet: mds1 facet_host: oleg606-server facet_failover_host: oleg606-server 1 339 1.02 MB/sec warmup 12 sec latency 1465.099 ms 1 339 0.94 MB/sec warmup 13 sec latency 2466.698 ms 1 339 0.87 MB/sec warmup 14 sec latency 3471.478 ms 1 339 0.82 MB/sec warmup 15 sec latency 4476.070 ms 1 339 0.76 MB/sec warmup 16 sec latency 5477.205 ms 1 339 0.72 MB/sec warmup 17 sec latency 6489.565 ms 1 339 0.68 MB/sec warmup 18 sec latency 7489.755 ms 1 339 0.64 MB/sec warmup 19 sec latency 8489.955 ms 1 339 0.00 MB/sec execute 1 sec latency 10492.981 ms Failover mds1 to oleg606-server mount facets: mds1 1 339 0.00 MB/sec execute 2 sec latency 11495.125 ms 1 339 0.00 MB/sec execute 3 sec latency 12495.309 ms 1 339 0.00 MB/sec execute 4 sec latency 13495.513 ms 1 339 0.00 MB/sec execute 5 sec latency 14495.710 ms 1 339 0.00 MB/sec execute 6 sec latency 15496.717 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 7 sec latency 16496.958 ms 1 339 0.00 MB/sec execute 8 sec latency 17497.234 ms 1 339 0.00 MB/sec execute 9 sec latency 18498.215 ms 1 339 0.00 MB/sec execute 10 sec latency 19500.538 ms 1 339 0.00 MB/sec execute 11 sec latency 20502.052 ms 1 339 0.00 MB/sec execute 12 sec latency 21502.224 ms oleg606-server: oleg606-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 13 sec latency 22502.448 ms pdsh@oleg606-client: oleg606-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 14 sec latency 23503.274 ms Started lustre-MDT0000 18:36:50 (1788215810) targets are mounted 18:36:50 (1788215810) facet_failover done 1 339 0.00 MB/sec execute 15 sec latency 24503.446 ms 1 357 0.03 MB/sec execute 16 sec latency 24979.211 ms 1 390 0.09 MB/sec execute 17 sec latency 144.484 ms 1 427 0.16 MB/sec execute 18 sec latency 128.431 ms 1 466 0.21 MB/sec execute 19 sec latency 157.323 ms 1 504 0.26 MB/sec execute 20 sec latency 133.305 ms 1 574 0.33 MB/sec execute 21 sec latency 134.687 ms oleg606-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 642 0.40 MB/sec execute 22 sec latency 84.864 ms 1 671 0.39 MB/sec execute 23 sec latency 258.663 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 697 0.37 MB/sec execute 24 sec latency 196.644 ms 1 723 0.36 MB/sec execute 25 sec latency 163.495 ms 1 749 0.35 MB/sec execute 26 sec latency 103.000 ms 1 789 0.34 MB/sec execute 27 sec latency 112.037 ms 1 806 0.33 MB/sec execute 28 sec latency 300.888 ms 1 863 0.32 MB/sec execute 29 sec latency 119.739 ms 1 884 0.31 MB/sec execute 30 sec latency 242.856 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 2210688 2432 2206208 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3771392 12288 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3690496 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7397376 1% /mnt/lustre 1 905 0.30 MB/sec execute 31 sec latency 149.203 ms 1 923 0.30 MB/sec execute 32 sec latency 359.728 ms 1 960 0.29 MB/sec execute 33 sec latency 131.104 ms 1 985 0.28 MB/sec execute 34 sec latency 205.105 ms 1 1060 0.30 MB/sec execute 35 sec latency 82.128 ms test_26 fail mds2 2 times 1 1119 0.30 MB/sec execute 36 sec latency 98.339 ms Failing mds2 on oleg606-server 1 1155 0.29 MB/sec execute 37 sec latency 148.807 ms 1 1190 0.28 MB/sec execute 38 sec latency 94.881 ms Stopping /mnt/lustre-mds2 (opts:) on oleg606-server 1 1228 0.28 MB/sec execute 39 sec latency 87.186 ms 1 1263 0.27 MB/sec execute 40 sec latency 126.522 ms 1 1278 0.26 MB/sec execute 41 sec latency 497.459 ms 1 1278 0.26 MB/sec execute 42 sec latency 1497.729 ms 18:37:17 (1788215837) shut down facet: mds2 facet_host: oleg606-server facet_failover_host: oleg606-server 1 1278 0.25 MB/sec execute 43 sec latency 2499.032 ms 1 1278 0.25 MB/sec execute 44 sec latency 3499.196 ms 1 1278 0.24 MB/sec execute 45 sec latency 4500.467 ms 1 1278 0.24 MB/sec execute 46 sec latency 5500.846 ms 1 1278 0.23 MB/sec execute 47 sec latency 6501.071 ms 1 1278 0.23 MB/sec execute 48 sec latency 7503.404 ms 1 1278 0.22 MB/sec execute 49 sec latency 8504.134 ms 1 1278 0.22 MB/sec execute 50 sec latency 9504.320 ms 1 1278 0.21 MB/sec execute 51 sec latency 10506.062 ms 1 1278 0.21 MB/sec execute 52 sec latency 11507.948 ms Failover mds2 to oleg606-server mount facets: mds2 1 1278 0.20 MB/sec execute 53 sec latency 12509.349 ms 1 1278 0.20 MB/sec execute 54 sec latency 13510.013 ms 1 1278 0.20 MB/sec execute 55 sec latency 14510.875 ms 1 1278 0.19 MB/sec execute 56 sec latency 15512.313 ms Start mds2: mount -t lustre -o localrecov lustre-mdt2/mdt2 /mnt/lustre-mds2 1 1278 0.19 MB/sec execute 57 sec latency 16512.473 ms 1 1278 0.19 MB/sec execute 58 sec latency 17516.235 ms 1 1278 0.18 MB/sec execute 59 sec latency 18516.470 ms 1 1278 0.18 MB/sec execute 60 sec latency 19516.659 ms 1 1278 0.18 MB/sec execute 61 sec latency 20516.896 ms 1 1278 0.18 MB/sec execute 62 sec latency 21517.139 ms 1 1278 0.17 MB/sec execute 63 sec latency 22517.476 ms oleg606-server: oleg606-server.virtnet: executing set_default_debug -1 all 1 1278 0.17 MB/sec execute 64 sec latency 23517.701 ms pdsh@oleg606-client: oleg606-server: ssh exited with exit code 1 1 1417 0.21 MB/sec execute 65 sec latency 23608.639 ms Started lustre-MDT0001 18:37:40 (1788215860) targets are mounted 18:37:40 (1788215860) facet_failover done 1 1476 0.21 MB/sec execute 66 sec latency 115.753 ms 1 1534 0.21 MB/sec execute 67 sec latency 86.316 ms 1 1614 0.20 MB/sec execute 68 sec latency 72.460 ms 1 1659 0.20 MB/sec execute 69 sec latency 172.793 ms 1 1698 0.20 MB/sec execute 70 sec latency 106.824 ms oleg606-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 1775 0.20 MB/sec execute 71 sec latency 97.012 ms 1 1837 0.20 MB/sec execute 72 sec latency 91.518 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1884 0.19 MB/sec execute 73 sec latency 107.662 ms 1 1958 0.19 MB/sec execute 74 sec latency 203.066 ms 1 2008 0.19 MB/sec execute 75 sec latency 86.047 ms 1 2088 0.19 MB/sec execute 76 sec latency 116.592 ms 1 2158 0.19 MB/sec execute 77 sec latency 68.736 ms 1 2200 0.19 MB/sec execute 78 sec latency 99.137 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210432 2944 2205440 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 2210688 2688 2205952 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3771392 24576 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3727360 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 64512 7467008 1% /mnt/lustre 1 2291 0.20 MB/sec execute 79 sec latency 102.122 ms 1 2347 0.20 MB/sec execute 80 sec latency 226.479 ms 1 2377 0.19 MB/sec execute 81 sec latency 167.780 ms 1 2417 0.19 MB/sec execute 82 sec latency 116.104 ms 1 2468 0.20 MB/sec execute 83 sec latency 107.027 ms test_26 fail mds1 3 times 1 2508 0.20 MB/sec execute 84 sec latency 203.192 ms 1 2582 0.20 MB/sec execute 85 sec latency 107.535 ms Failing mds1 on oleg606-server 1 2655 0.21 MB/sec execute 86 sec latency 89.215 ms Stopping /mnt/lustre-mds1 (opts:) on oleg606-server 1 2729 0.23 MB/sec execute 87 sec latency 827.216 ms 1 2768 0.22 MB/sec execute 88 sec latency 1126.197 ms 1 2904 0.23 MB/sec execute 89 sec latency 237.321 ms 18:38:05 (1788215885) shut down facet: mds1 facet_host: oleg606-server facet_failover_host: oleg606-server 1 2982 0.24 MB/sec execute 90 sec latency 117.131 ms 1 3169 0.24 MB/sec execute 91 sec latency 124.826 ms 1 3275 0.25 MB/sec execute 92 sec latency 92.238 ms 1 3367 0.25 MB/sec execute 93 sec latency 58.577 ms 1 3541 0.28 MB/sec execute 94 sec latency 44.070 ms 1 3627 0.28 MB/sec execute 95 sec latency 73.500 ms 1 3697 0.28 MB/sec execute 96 sec latency 63.429 ms 1 3773 0.28 MB/sec execute 97 sec latency 103.215 ms 1 3833 0.28 MB/sec execute 98 sec latency 136.985 ms 1 3875 0.28 MB/sec execute 99 sec latency 79.889 ms 1 cleanup 100 sec Failover mds1 to oleg606-server mount facets: mds1 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 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 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec oleg606-server: oleg606-server.virtnet: executing set_default_debug -1 all 1 cleanup 123 sec 1 cleanup 124 sec pdsh@oleg606-client: oleg606-server: ssh exited with exit code 1 1 cleanup 125 sec Started lustre-MDT0000 18:38:41 (1788215921) targets are mounted 18:38:41 (1788215921) facet_failover done 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 0 cleanup 129 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 567 90.966 24979.198 Close 450 10.834 41.820 Rename 26 82.808 163.951 Unlink 79 23.627 61.326 Qpathinfo 505 14.237 95.109 Qfileinfo 134 1.562 10.756 Qfsinfo 99 3.405 70.638 Sfileinfo 50 59.148 118.426 Find 198 128.890 23608.626 WriteX 474 10.947 77.048 ReadX 956 0.712 84.925 LockX 2 13.178 16.320 UnlockX 2 14.257 14.777 Flush 43 133.294 359.709 Throughput 0.277339 MB/sec 1 clients 1 procs max_latency=24979.211 ms stopping dbench on /mnt/lustre at Mon Aug 31 18:38:44 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench oleg606-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Mon Aug 31 18:38:54 EDT 2026 waiting for dbench pid 67076 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 3 0.00 MB/sec warmup 1 sec latency 755.184 ms 1 47 0.95 MB/sec warmup 2 sec latency 125.406 ms 1 111 1.75 MB/sec warmup 3 sec latency 144.859 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210432 3072 2205312 1% /mnt/lustre[MDT:0] 1 137 1.51 MB/sec warmup 4 sec latency 242.357 ms lustre-MDT0001_UUID 2210560 2816 2205696 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3771392 15360 3731456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3714048 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7445504 1% /mnt/lustre 1 157 1.31 MB/sec warmup 5 sec latency 210.891 ms 1 184 1.23 MB/sec warmup 6 sec latency 175.087 ms 1 215 1.19 MB/sec warmup 7 sec latency 174.424 ms 1 264 1.24 MB/sec warmup 8 sec latency 130.990 ms 1 296 1.22 MB/sec warmup 9 sec latency 137.635 ms 1 331 1.20 MB/sec warmup 10 sec latency 183.017 ms test_26 fail mds2 4 times 1 365 1.18 MB/sec warmup 11 sec latency 160.661 ms 1 397 1.17 MB/sec warmup 12 sec latency 185.956 ms Failing mds2 on oleg606-server 1 429 1.16 MB/sec warmup 13 sec latency 138.703 ms Stopping /mnt/lustre-mds2 (opts:) on oleg606-server 1 469 1.17 MB/sec warmup 14 sec latency 120.470 ms 1 501 1.16 MB/sec warmup 15 sec latency 162.396 ms 1 501 1.09 MB/sec warmup 16 sec latency 1162.625 ms 1 501 1.03 MB/sec warmup 17 sec latency 2163.231 ms 1 501 0.97 MB/sec warmup 18 sec latency 3163.441 ms 1 501 0.92 MB/sec warmup 19 sec latency 4163.662 ms 1 501 0.00 MB/sec execute 1 sec latency 6174.677 ms 1 501 0.00 MB/sec execute 2 sec latency 7175.159 ms 1 501 0.00 MB/sec execute 3 sec latency 8175.555 ms 18:39:18 (1788215958) shut down facet: mds2 facet_host: oleg606-server facet_failover_host: oleg606-server 1 501 0.00 MB/sec execute 4 sec latency 9175.733 ms 1 501 0.00 MB/sec execute 5 sec latency 10177.206 ms 1 501 0.00 MB/sec execute 6 sec latency 11178.161 ms 1 501 0.00 MB/sec execute 7 sec latency 12178.353 ms 1 501 0.00 MB/sec execute 8 sec latency 13179.057 ms 1 501 0.00 MB/sec execute 9 sec latency 14179.251 ms 1 501 0.00 MB/sec execute 10 sec latency 15179.496 ms 1 501 0.00 MB/sec execute 11 sec latency 16179.897 ms 1 501 0.00 MB/sec execute 12 sec latency 17181.177 ms 1 501 0.00 MB/sec execute 13 sec latency 18181.405 ms Failover mds2 to oleg606-server mount facets: mds2 1 501 0.00 MB/sec execute 14 sec latency 19188.104 ms 1 501 0.00 MB/sec execute 15 sec latency 20190.937 ms 1 501 0.00 MB/sec execute 16 sec latency 21191.196 ms 1 501 0.00 MB/sec execute 17 sec latency 22191.416 ms Start mds2: mount -t lustre -o localrecov lustre-mdt2/mdt2 /mnt/lustre-mds2 1 501 0.00 MB/sec execute 18 sec latency 23194.250 ms 1 501 0.00 MB/sec execute 19 sec latency 24195.478 ms 1 501 0.00 MB/sec execute 20 sec latency 25196.062 ms 1 501 0.00 MB/sec execute 21 sec latency 26196.353 ms 1 501 0.00 MB/sec execute 22 sec latency 27202.777 ms 1 501 0.00 MB/sec execute 23 sec latency 28202.971 ms oleg606-server: oleg606-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 24 sec latency 29204.128 ms 1 501 0.00 MB/sec execute 25 sec latency 30204.383 ms pdsh@oleg606-client: oleg606-server: ssh exited with exit code 1 1 503 0.00 MB/sec execute 26 sec latency 31155.035 ms Started lustre-MDT0001 18:39:41 (1788215981) targets are mounted 18:39:41 (1788215981) facet_failover done 1 574 0.07 MB/sec execute 27 sec latency 158.172 ms 1 652 0.13 MB/sec execute 28 sec latency 143.835 ms 1 678 0.13 MB/sec execute 29 sec latency 198.234 ms 1 721 0.13 MB/sec execute 30 sec latency 137.267 ms 1 746 0.12 MB/sec execute 31 sec latency 147.208 ms 1 796 0.12 MB/sec execute 32 sec latency 83.340 ms oleg606-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 845 0.12 MB/sec execute 33 sec latency 108.066 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 874 0.12 MB/sec execute 34 sec latency 219.261 ms 1 907 0.12 MB/sec execute 35 sec latency 124.336 ms 1 952 0.12 MB/sec execute 36 sec latency 239.888 ms 1 983 0.12 MB/sec execute 37 sec latency 191.173 ms 1 1061 0.14 MB/sec execute 38 sec latency 112.509 ms 1 1124 0.14 MB/sec execute 39 sec latency 86.749 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1158 0.14 MB/sec execute 40 sec latency 136.435 ms 1 1215 0.14 MB/sec execute 41 sec latency 66.289 ms 1 1253 0.13 MB/sec execute 42 sec latency 108.928 ms 1 1397 0.20 MB/sec execute 43 sec latency 140.200 ms 1 1451 0.19 MB/sec execute 44 sec latency 97.982 ms 1 1502 0.19 MB/sec execute 45 sec latency 217.948 ms 1 1568 0.19 MB/sec execute 46 sec latency 110.928 ms 1 1634 0.18 MB/sec execute 47 sec latency 73.240 ms 1 1689 0.18 MB/sec execute 48 sec latency 112.941 ms 1 1770 0.18 MB/sec execute 49 sec latency 87.274 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 31 18:40:04 EDT 2026 with return code 0 1 1843 0.18 MB/sec execute 50 sec latency 71.474 ms 67076 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67076 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished