== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:16:56 (1786169816) Starting client oleg131-client.virtnet: -o user_xattr,flock 192.168.201.131@tcp:/lustre /mnt/lustre Started clients oleg131-client.virtnet: 192.168.201.131@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 65654 Started dbench loop with 65655 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /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 1980 1269324 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1796 1269508 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3593040 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198516 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 Aug 8 02:17:03 EDT 2026 waiting for dbench pid 65733 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 7 0.00 MB/sec warmup 1 sec latency 26.515 ms 1 31 0.52 MB/sec warmup 2 sec latency 199.958 ms 1 71 1.04 MB/sec warmup 3 sec latency 229.789 ms 1 113 1.31 MB/sec warmup 4 sec latency 185.440 ms 1 147 1.25 MB/sec warmup 5 sec latency 187.625 ms 1 155 1.09 MB/sec warmup 6 sec latency 756.092 ms 1 184 1.05 MB/sec warmup 7 sec latency 800.999 ms 1 207 1.01 MB/sec warmup 8 sec latency 461.063 ms 1 244 1.03 MB/sec warmup 9 sec latency 124.294 ms test_26 fail mds1 1 times 1 280 1.04 MB/sec warmup 10 sec latency 136.232 ms 1 313 1.04 MB/sec warmup 11 sec latency 149.147 ms Failing mds1 on oleg131-server 1 339 1.02 MB/sec warmup 12 sec latency 213.218 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 366 1.00 MB/sec warmup 13 sec latency 198.037 ms 1 381 0.97 MB/sec warmup 14 sec latency 612.731 ms 1 381 0.90 MB/sec warmup 15 sec latency 1613.985 ms 1 381 0.85 MB/sec warmup 16 sec latency 2618.927 ms 02:17:19 (1786169839) shut down facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 381 0.80 MB/sec warmup 17 sec latency 3619.204 ms 1 381 0.75 MB/sec warmup 18 sec latency 4619.454 ms 1 381 0.71 MB/sec warmup 19 sec latency 5619.686 ms 1 381 0.00 MB/sec execute 1 sec latency 7620.106 ms 1 381 0.00 MB/sec execute 2 sec latency 8621.342 ms 1 381 0.00 MB/sec execute 3 sec latency 9621.816 ms 1 381 0.00 MB/sec execute 4 sec latency 10622.193 ms 1 381 0.00 MB/sec execute 5 sec latency 11625.347 ms 1 381 0.00 MB/sec execute 6 sec latency 12625.543 ms Failover mds1 to oleg131-server mount facets: mds1 1 381 0.00 MB/sec execute 7 sec latency 13625.743 ms 1 381 0.00 MB/sec execute 8 sec latency 14625.953 ms 1 381 0.00 MB/sec execute 9 sec latency 15626.360 ms 1 381 0.00 MB/sec execute 10 sec latency 16626.612 ms 1 381 0.00 MB/sec execute 11 sec latency 17626.834 ms 1 381 0.00 MB/sec execute 12 sec latency 18627.112 ms 1 381 0.00 MB/sec execute 13 sec latency 19627.610 ms 1 381 0.00 MB/sec execute 14 sec latency 20627.870 ms 1 381 0.00 MB/sec execute 15 sec latency 21628.067 ms 1 381 0.00 MB/sec execute 16 sec latency 22629.414 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 381 0.00 MB/sec execute 17 sec latency 23635.905 ms 1 381 0.00 MB/sec execute 18 sec latency 24636.091 ms 1 381 0.00 MB/sec execute 19 sec latency 25636.328 ms 1 381 0.00 MB/sec execute 20 sec latency 26639.936 ms 1 381 0.00 MB/sec execute 21 sec latency 27640.120 ms 1 381 0.00 MB/sec execute 22 sec latency 28640.528 ms 1 381 0.00 MB/sec execute 23 sec latency 29640.715 ms 1 381 0.00 MB/sec execute 24 sec latency 30640.940 ms 1 381 0.00 MB/sec execute 25 sec latency 31644.665 ms 1 381 0.00 MB/sec execute 26 sec latency 32658.408 ms 1 381 0.00 MB/sec execute 27 sec latency 33658.862 ms 1 381 0.00 MB/sec execute 28 sec latency 34659.180 ms 1 381 0.00 MB/sec execute 29 sec latency 35660.318 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 381 0.00 MB/sec execute 30 sec latency 36662.560 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 381 0.00 MB/sec execute 31 sec latency 37662.811 ms Started lustre-MDT0000 02:17:55 (1786169875) targets are mounted 02:17:55 (1786169875) facet_failover done 1 385 0.00 MB/sec execute 32 sec latency 38602.965 ms 1 429 0.05 MB/sec execute 33 sec latency 118.266 ms 1 461 0.08 MB/sec execute 34 sec latency 140.133 ms 1 501 0.11 MB/sec execute 35 sec latency 143.399 ms 1 542 0.15 MB/sec execute 36 sec latency 129.912 ms 1 581 0.17 MB/sec execute 37 sec latency 564.415 ms 1 640 0.20 MB/sec execute 38 sec latency 123.755 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 678 0.19 MB/sec execute 39 sec latency 117.923 ms 1 703 0.19 MB/sec execute 40 sec latency 158.826 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 731 0.19 MB/sec execute 41 sec latency 136.527 ms 1 759 0.19 MB/sec execute 42 sec latency 137.273 ms 1 796 0.18 MB/sec execute 43 sec latency 125.280 ms 1 845 0.18 MB/sec execute 44 sec latency 151.632 ms 1 882 0.18 MB/sec execute 45 sec latency 157.936 ms 1 918 0.18 MB/sec execute 46 sec latency 108.559 ms 1 952 0.17 MB/sec execute 47 sec latency 111.410 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2128 1269176 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34728 3568276 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 16996 3585904 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51724 7154180 1% /mnt/lustre 1 980 0.17 MB/sec execute 48 sec latency 141.331 ms 1 1028 0.19 MB/sec execute 49 sec latency 107.969 ms 1 1074 0.19 MB/sec execute 50 sec latency 85.890 ms 1 1128 0.18 MB/sec execute 51 sec latency 136.365 ms 1 1172 0.18 MB/sec execute 52 sec latency 91.884 ms 1 1172 0.18 MB/sec execute 53 sec latency 1092.087 ms 1 1192 0.18 MB/sec execute 54 sec latency 1300.876 ms 1 1221 0.17 MB/sec execute 55 sec latency 126.085 ms 1 1244 0.17 MB/sec execute 56 sec latency 126.131 ms 1 1285 0.17 MB/sec execute 57 sec latency 132.708 ms test_26 fail mds2 2 times 1 1410 0.21 MB/sec execute 58 sec latency 77.312 ms 1 1451 0.21 MB/sec execute 59 sec latency 110.556 ms Failing mds2 on oleg131-server 1 1497 0.21 MB/sec execute 60 sec latency 134.618 ms Stopping /mnt/lustre-mds2 (opts:) on oleg131-server 1 1542 0.21 MB/sec execute 61 sec latency 75.508 ms 1 1588 0.20 MB/sec execute 62 sec latency 143.279 ms 1 1634 0.20 MB/sec execute 63 sec latency 98.556 ms 02:18:27 (1786169907) shut down 1 1686 0.20 MB/sec execute 64 sec latency 113.994 ms facet: mds2 facet_host: oleg131-server facet_failover_host: oleg131-server 1 1769 0.20 MB/sec execute 65 sec latency 136.772 ms 1 1845 0.19 MB/sec execute 66 sec latency 76.996 ms 1 1937 0.19 MB/sec execute 67 sec latency 63.405 ms 1 2014 0.19 MB/sec execute 68 sec latency 62.987 ms 1 2080 0.19 MB/sec execute 69 sec latency 123.906 ms 1 2150 0.19 MB/sec execute 70 sec latency 73.654 ms 1 2193 0.19 MB/sec execute 71 sec latency 81.832 ms 1 2259 0.18 MB/sec execute 72 sec latency 188.735 ms 1 2259 0.18 MB/sec execute 73 sec latency 1188.988 ms 1 2259 0.18 MB/sec execute 74 sec latency 2190.800 ms Failover mds2 to oleg131-server mount facets: mds2 1 2259 0.18 MB/sec execute 75 sec latency 3191.005 ms 1 2259 0.17 MB/sec execute 76 sec latency 4194.087 ms 1 2259 0.17 MB/sec execute 77 sec latency 5194.333 ms 1 2259 0.17 MB/sec execute 78 sec latency 6197.381 ms 1 2259 0.17 MB/sec execute 79 sec latency 7200.538 ms 1 2259 0.17 MB/sec execute 80 sec latency 8201.367 ms 1 2259 0.16 MB/sec execute 81 sec latency 9201.870 ms 1 2259 0.16 MB/sec execute 82 sec latency 10202.664 ms 1 2259 0.16 MB/sec execute 83 sec latency 11204.192 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.16 MB/sec execute 84 sec latency 12205.195 ms 1 2259 0.16 MB/sec execute 85 sec latency 13205.868 ms 1 2259 0.15 MB/sec execute 86 sec latency 14206.429 ms 1 2259 0.15 MB/sec execute 87 sec latency 15206.660 ms 1 2259 0.15 MB/sec execute 88 sec latency 16208.333 ms 1 2259 0.15 MB/sec execute 89 sec latency 17208.977 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 2259 0.15 MB/sec execute 90 sec latency 18209.234 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 2259 0.15 MB/sec execute 91 sec latency 19209.539 ms Started lustre-MDT0001 02:18:55 (1786169935) targets are mounted 02:18:55 (1786169935) facet_failover done 1 2259 0.14 MB/sec execute 92 sec latency 20214.346 ms 1 2303 0.15 MB/sec execute 93 sec latency 20560.400 ms 1 2346 0.15 MB/sec execute 94 sec latency 156.557 ms 1 2376 0.15 MB/sec execute 95 sec latency 124.762 ms 1 2400 0.15 MB/sec execute 96 sec latency 183.712 ms 1 2428 0.15 MB/sec execute 97 sec latency 117.925 ms 1 2455 0.15 MB/sec execute 98 sec latency 137.321 ms 1 2490 0.15 MB/sec execute 99 sec latency 106.753 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 100 sec 1 cleanup 101 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 369 214.410 38602.948 Close 320 12.375 47.652 Rename 15 103.429 183.680 Unlink 38 30.310 71.528 Qpathinfo 343 17.112 126.055 Qfileinfo 96 2.466 15.439 Qfsinfo 43 4.282 26.727 Sfileinfo 49 73.698 157.921 Find 116 11.766 68.240 WriteX 345 14.430 123.891 ReadX 427 1.968 84.924 Flush 34 60.167 156.543 Throughput 0.152832 MB/sec 1 clients 1 procs max_latency=38602.965 ms stopping dbench on /mnt/lustre at Sat Aug 8 02:19:08 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3324 3603356 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20768 3584596 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 24092 7187952 1% /mnt/lustre 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 Sat Aug 8 02:19:16 EDT 2026 waiting for dbench pid 67924 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 26 0.78 MB/sec warmup 1 sec latency 21.065 ms 1 31 0.52 MB/sec warmup 2 sec latency 940.354 ms 1 76 1.09 MB/sec warmup 3 sec latency 1233.814 ms 1 121 1.37 MB/sec warmup 4 sec latency 133.853 ms 1 158 1.31 MB/sec warmup 5 sec latency 143.415 ms test_26 fail mds1 3 times 1 184 1.23 MB/sec warmup 6 sec latency 259.638 ms 1 207 1.16 MB/sec warmup 7 sec latency 485.270 ms Failing mds1 on oleg131-server 1 247 1.17 MB/sec warmup 8 sec latency 128.016 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 279 1.16 MB/sec warmup 9 sec latency 131.707 ms 1 312 1.15 MB/sec warmup 10 sec latency 171.012 ms 1 339 1.11 MB/sec warmup 11 sec latency 495.477 ms 1 339 1.02 MB/sec warmup 12 sec latency 1495.938 ms 1 339 0.94 MB/sec warmup 13 sec latency 2496.141 ms 1 339 0.87 MB/sec warmup 14 sec latency 3496.394 ms 1 339 0.82 MB/sec warmup 15 sec latency 4499.846 ms 1 339 0.77 MB/sec warmup 16 sec latency 5500.249 ms 1 339 0.72 MB/sec warmup 17 sec latency 6502.575 ms 02:19:34 (1786169974) shut down 1 339 0.68 MB/sec warmup 18 sec latency 7502.912 ms facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 339 0.64 MB/sec warmup 19 sec latency 8505.602 ms 1 339 0.00 MB/sec execute 1 sec latency 10508.513 ms 1 339 0.00 MB/sec execute 2 sec latency 11510.685 ms 1 339 0.00 MB/sec execute 3 sec latency 12510.970 ms 1 339 0.00 MB/sec execute 4 sec latency 13511.982 ms 1 339 0.00 MB/sec execute 5 sec latency 14512.863 ms 1 339 0.00 MB/sec execute 6 sec latency 15513.420 ms 1 339 0.00 MB/sec execute 7 sec latency 16514.975 ms 1 339 0.00 MB/sec execute 8 sec latency 17515.306 ms Failover mds1 to oleg131-server mount facets: mds1 1 339 0.00 MB/sec execute 9 sec latency 18515.523 ms 1 339 0.00 MB/sec execute 10 sec latency 19516.281 ms 1 339 0.00 MB/sec execute 11 sec latency 20516.716 ms 1 339 0.00 MB/sec execute 12 sec latency 21516.925 ms 1 339 0.00 MB/sec execute 13 sec latency 22518.939 ms 1 339 0.00 MB/sec execute 14 sec latency 23519.983 ms 1 339 0.00 MB/sec execute 15 sec latency 24520.618 ms 1 339 0.00 MB/sec execute 16 sec latency 25520.893 ms 1 339 0.00 MB/sec execute 17 sec latency 26524.791 ms 1 339 0.00 MB/sec execute 18 sec latency 27525.006 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 19 sec latency 28525.391 ms 1 339 0.00 MB/sec execute 20 sec latency 29525.624 ms 1 339 0.00 MB/sec execute 21 sec latency 30527.227 ms 1 339 0.00 MB/sec execute 22 sec latency 31528.300 ms 1 339 0.00 MB/sec execute 23 sec latency 32530.407 ms 1 339 0.00 MB/sec execute 24 sec latency 33532.894 ms 1 339 0.00 MB/sec execute 25 sec latency 34533.167 ms 1 339 0.00 MB/sec execute 26 sec latency 35539.038 ms 1 339 0.00 MB/sec execute 27 sec latency 36539.905 ms 1 339 0.00 MB/sec execute 28 sec latency 37541.005 ms 1 339 0.00 MB/sec execute 29 sec latency 38542.178 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 30 sec latency 39542.417 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 31 sec latency 40542.868 ms Started lustre-MDT0000 1 356 0.02 MB/sec execute 32 sec latency 41108.591 ms 02:20:08 (1786170008) targets are mounted 02:20:08 (1786170008) facet_failover done 1 397 0.06 MB/sec execute 33 sec latency 131.904 ms 1 422 0.08 MB/sec execute 34 sec latency 178.656 ms 1 453 0.10 MB/sec execute 35 sec latency 147.848 ms 1 501 0.14 MB/sec execute 36 sec latency 136.205 ms 1 542 0.18 MB/sec execute 37 sec latency 126.053 ms 1 618 0.23 MB/sec execute 38 sec latency 111.145 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 664 0.23 MB/sec execute 39 sec latency 139.916 ms 1 695 0.22 MB/sec execute 40 sec latency 158.752 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 726 0.22 MB/sec execute 41 sec latency 138.219 ms 1 761 0.22 MB/sec execute 42 sec latency 128.354 ms 1 789 0.21 MB/sec execute 43 sec latency 117.606 ms 1 818 0.21 MB/sec execute 44 sec latency 116.003 ms 1 878 0.21 MB/sec execute 45 sec latency 102.079 ms 1 884 0.20 MB/sec execute 46 sec latency 891.584 ms 1 900 0.20 MB/sec execute 47 sec latency 1197.634 ms 1 933 0.20 MB/sec execute 48 sec latency 101.520 ms 1 969 0.19 MB/sec execute 49 sec latency 123.094 ms 1 1025 0.21 MB/sec execute 50 sec latency 127.041 ms 1 1072 0.21 MB/sec execute 51 sec latency 105.261 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1126 0.21 MB/sec execute 52 sec latency 86.683 ms 1 1161 0.20 MB/sec execute 53 sec latency 110.490 ms 1 1202 0.20 MB/sec execute 54 sec latency 80.906 ms 1 1246 0.20 MB/sec execute 55 sec latency 88.148 ms 1 1384 0.24 MB/sec execute 56 sec latency 100.233 ms 1 1421 0.24 MB/sec execute 57 sec latency 151.338 ms 1 1467 0.24 MB/sec execute 58 sec latency 143.611 ms 1 1503 0.23 MB/sec execute 59 sec latency 352.196 ms 1 1558 0.23 MB/sec execute 60 sec latency 124.686 ms 1 1647 0.23 MB/sec execute 61 sec latency 74.654 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 8 02:20:38 EDT 2026 with return code 0 67924 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67924 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished