== replay-dual test 26: dbench and tar with mds failover ========================================================== 17:57:55 (1787608675) Starting client oleg423-client.virtnet: -o user_xattr,flock 192.168.204.123@tcp:/lustre /mnt/lustre Started clients oleg423-client.virtnet: 192.168.204.123@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 45213 Started dbench loop with 45216 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 10240 3745792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7511040 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 24 17:58:03 EDT 2026 waiting for dbench pid 45283 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 10 0.00 MB/sec warmup 1 sec latency 112.441 ms 1 51 1.05 MB/sec warmup 2 sec latency 194.483 ms 1 104 1.61 MB/sec warmup 3 sec latency 145.180 ms 1 140 1.50 MB/sec warmup 4 sec latency 136.171 ms test_26 fail mds1 1 times 1 173 1.41 MB/sec warmup 5 sec latency 164.840 ms 1 189 1.26 MB/sec warmup 6 sec latency 351.523 ms 1 207 1.16 MB/sec warmup 7 sec latency 271.294 ms Failing mds1 on oleg423-server 1 229 1.10 MB/sec warmup 8 sec latency 196.467 ms 1 260 1.09 MB/sec warmup 9 sec latency 141.547 ms Stopping /mnt/lustre-mds1 (opts:) on oleg423-server 1 289 1.07 MB/sec warmup 10 sec latency 158.327 ms 1 312 1.04 MB/sec warmup 11 sec latency 293.058 ms 1 312 0.96 MB/sec warmup 12 sec latency 1294.074 ms 1 312 0.88 MB/sec warmup 13 sec latency 2296.348 ms 1 312 0.82 MB/sec warmup 14 sec latency 3297.249 ms 17:58:18 (1787608698) shut down facet: mds1 facet_host: oleg423-server facet_failover_host: oleg423-server 1 312 0.76 MB/sec warmup 15 sec latency 4297.472 ms 1 312 0.72 MB/sec warmup 16 sec latency 5299.101 ms 1 312 0.67 MB/sec warmup 17 sec latency 6299.324 ms 1 312 0.64 MB/sec warmup 18 sec latency 7300.394 ms 1 312 0.60 MB/sec warmup 19 sec latency 8300.618 ms 1 312 0.00 MB/sec execute 1 sec latency 10306.711 ms 1 312 0.00 MB/sec execute 2 sec latency 11307.614 ms 1 312 0.00 MB/sec execute 3 sec latency 12307.829 ms 1 312 0.00 MB/sec execute 4 sec latency 13308.375 ms Failover mds1 to oleg423-server 1 312 0.00 MB/sec execute 5 sec latency 14308.575 ms mount facets: mds1 1 312 0.00 MB/sec execute 6 sec latency 15311.612 ms 1 312 0.00 MB/sec execute 7 sec latency 16311.931 ms 1 312 0.00 MB/sec execute 8 sec latency 17314.662 ms 1 312 0.00 MB/sec execute 9 sec latency 18315.778 ms 1 312 0.00 MB/sec execute 10 sec latency 19319.984 ms 1 312 0.00 MB/sec execute 11 sec latency 20320.622 ms 1 312 0.00 MB/sec execute 12 sec latency 21321.311 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 13 sec latency 22321.690 ms 1 312 0.00 MB/sec execute 14 sec latency 23322.808 ms 1 312 0.00 MB/sec execute 15 sec latency 24324.391 ms 1 312 0.00 MB/sec execute 16 sec latency 25324.574 ms 1 312 0.00 MB/sec execute 17 sec latency 26325.058 ms 1 312 0.00 MB/sec execute 18 sec latency 27325.283 ms 1 312 0.00 MB/sec execute 19 sec latency 28325.529 ms 1 312 0.00 MB/sec execute 20 sec latency 29325.842 ms 1 312 0.00 MB/sec execute 21 sec latency 30328.536 ms 1 312 0.00 MB/sec execute 22 sec latency 31331.670 ms 1 312 0.00 MB/sec execute 23 sec latency 32331.833 ms 1 312 0.00 MB/sec execute 24 sec latency 33332.381 ms 1 312 0.00 MB/sec execute 25 sec latency 34332.592 ms 1 312 0.00 MB/sec execute 26 sec latency 35335.984 ms oleg423-server: oleg423-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 27 sec latency 36336.553 ms 1 312 0.00 MB/sec execute 28 sec latency 37336.744 ms pdsh@oleg423-client: oleg423-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 29 sec latency 38340.846 ms Started lustre-MDT0000 17:58:53 (1787608733) targets are mounted 17:58:53 (1787608733) facet_failover done 1 312 0.00 MB/sec execute 30 sec latency 39341.591 ms 1 312 0.00 MB/sec execute 31 sec latency 40341.741 ms 1 312 0.00 MB/sec execute 32 sec latency 41342.228 ms 1 312 0.00 MB/sec execute 33 sec latency 42342.515 ms 1 312 0.00 MB/sec execute 34 sec latency 43342.714 ms 1 316 0.00 MB/sec execute 35 sec latency 43718.609 ms 1 349 0.03 MB/sec execute 36 sec latency 148.683 ms 1 382 0.06 MB/sec execute 37 sec latency 169.305 ms 1 426 0.09 MB/sec execute 38 sec latency 118.223 ms 1 469 0.13 MB/sec execute 39 sec latency 111.963 ms oleg423-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.15 MB/sec execute 40 sec latency 236.096 ms 1 542 0.19 MB/sec execute 41 sec latency 189.705 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 612 0.23 MB/sec execute 42 sec latency 159.995 ms 1 664 0.22 MB/sec execute 43 sec latency 117.182 ms 1 695 0.22 MB/sec execute 44 sec latency 210.172 ms 1 726 0.22 MB/sec execute 45 sec latency 203.297 ms 1 762 0.21 MB/sec execute 46 sec latency 132.959 ms 1 791 0.21 MB/sec execute 47 sec latency 146.639 ms 1 810 0.21 MB/sec execute 48 sec latency 137.426 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3724288 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7408640 1% /mnt/lustre 1 856 0.21 MB/sec execute 49 sec latency 151.969 ms 1 888 0.20 MB/sec execute 50 sec latency 217.063 ms 1 913 0.20 MB/sec execute 51 sec latency 133.933 ms 1 932 0.20 MB/sec execute 52 sec latency 266.826 ms 1 969 0.19 MB/sec execute 53 sec latency 115.798 ms 1 1000 0.20 MB/sec execute 54 sec latency 186.572 ms test_26 fail mds1 2 times 1 1063 0.21 MB/sec execute 55 sec latency 77.706 ms 1 1112 0.20 MB/sec execute 56 sec latency 92.211 ms Failing mds1 on oleg423-server 1 1145 0.20 MB/sec execute 57 sec latency 123.287 ms Stopping /mnt/lustre-mds1 (opts:) on oleg423-server 1 1177 0.20 MB/sec execute 58 sec latency 136.897 ms 1 1216 0.20 MB/sec execute 59 sec latency 113.050 ms 1 1219 0.19 MB/sec execute 60 sec latency 972.148 ms 1 1219 0.19 MB/sec execute 61 sec latency 1972.358 ms 17:59:25 (1787608765) shut down facet: mds1 facet_host: oleg423-server facet_failover_host: oleg423-server 1 1219 0.19 MB/sec execute 62 sec latency 2975.883 ms 1 1219 0.18 MB/sec execute 63 sec latency 3976.104 ms 1 1219 0.18 MB/sec execute 64 sec latency 4976.334 ms 1 1219 0.18 MB/sec execute 65 sec latency 5977.668 ms 1 1219 0.18 MB/sec execute 66 sec latency 6978.165 ms 1 1219 0.17 MB/sec execute 67 sec latency 7980.931 ms 1 1219 0.17 MB/sec execute 68 sec latency 8981.183 ms 1 1219 0.17 MB/sec execute 69 sec latency 9981.393 ms 1 1219 0.17 MB/sec execute 70 sec latency 10981.936 ms 1 1219 0.16 MB/sec execute 71 sec latency 11982.137 ms 1 1219 0.16 MB/sec execute 72 sec latency 12982.255 ms Failover mds1 to oleg423-server mount facets: mds1 1 1219 0.16 MB/sec execute 73 sec latency 13982.421 ms 1 1219 0.16 MB/sec execute 74 sec latency 14982.748 ms 1 1219 0.15 MB/sec execute 75 sec latency 15985.521 ms 1 1219 0.15 MB/sec execute 76 sec latency 16985.803 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1219 0.15 MB/sec execute 77 sec latency 17985.953 ms 1 1219 0.15 MB/sec execute 78 sec latency 18986.263 ms 1 1219 0.15 MB/sec execute 79 sec latency 19988.630 ms 1 1219 0.14 MB/sec execute 80 sec latency 20988.821 ms 1 1219 0.14 MB/sec execute 81 sec latency 21989.035 ms 1 1219 0.14 MB/sec execute 82 sec latency 22994.330 ms 1 1219 0.14 MB/sec execute 83 sec latency 23997.292 ms oleg423-server: oleg423-server.virtnet: executing set_default_debug -1 all 1 1219 0.14 MB/sec execute 84 sec latency 24997.504 ms pdsh@oleg423-client: oleg423-server: ssh exited with exit code 1 1 1219 0.14 MB/sec execute 85 sec latency 25999.615 ms Started lustre-MDT0000 1 1219 0.13 MB/sec execute 86 sec latency 27013.676 ms 17:59:49 (1787608789) targets are mounted 17:59:49 (1787608789) facet_failover done 1 1219 0.13 MB/sec execute 87 sec latency 28013.893 ms 1 1219 0.13 MB/sec execute 88 sec latency 29016.939 ms 1 1219 0.13 MB/sec execute 89 sec latency 30017.852 ms 1 1219 0.13 MB/sec execute 90 sec latency 31018.141 ms 1 1219 0.13 MB/sec execute 91 sec latency 32018.728 ms 1 1219 0.13 MB/sec execute 92 sec latency 33023.021 ms 1 1219 0.12 MB/sec execute 93 sec latency 34023.696 ms 1 1219 0.12 MB/sec execute 94 sec latency 35023.946 ms 1 1219 0.12 MB/sec execute 95 sec latency 36025.121 ms 1 1219 0.12 MB/sec execute 96 sec latency 37025.425 ms 1 1219 0.12 MB/sec execute 97 sec latency 38025.741 ms 1 1219 0.12 MB/sec execute 98 sec latency 39026.003 ms 1 1219 0.12 MB/sec execute 99 sec latency 40026.164 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 129 80.843 356.052 Close 119 734.694 43718.582 Rename 8 92.708 136.415 Unlink 14 32.795 70.961 Qpathinfo 78 25.004 113.024 Qfileinfo 55 2.124 11.317 Qfsinfo 28 4.088 27.260 Sfileinfo 27 67.863 111.669 Find 37 8.687 65.668 WriteX 263 13.074 74.206 ReadX 126 5.206 84.514 Flush 24 123.275 266.808 Throughput 0.116875 MB/sec 1 clients 1 procs max_latency=43718.609 ms stopping dbench on /mnt/lustre at Mon Aug 24 18:00:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg423-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 24 18:00:14 EDT 2026 waiting for dbench pid 47223 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 147.037 ms 1 91 2.09 MB/sec warmup 2 sec latency 140.307 ms 1 139 2.01 MB/sec warmup 3 sec latency 158.603 ms 1 178 1.80 MB/sec warmup 4 sec latency 124.329 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 25600 3728384 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 29696 3710976 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7439360 1% /mnt/lustre 1 207 1.62 MB/sec warmup 5 sec latency 185.948 ms 1 245 1.55 MB/sec warmup 6 sec latency 178.868 ms 1 287 1.53 MB/sec warmup 7 sec latency 143.696 ms 1 323 1.47 MB/sec warmup 8 sec latency 132.470 ms 1 376 1.48 MB/sec warmup 9 sec latency 122.551 ms 1 433 1.52 MB/sec warmup 10 sec latency 82.555 ms test_26 fail mds1 3 times 1 478 1.52 MB/sec warmup 11 sec latency 118.898 ms 1 513 1.48 MB/sec warmup 12 sec latency 170.733 ms Failing mds1 on oleg423-server 1 595 1.59 MB/sec warmup 13 sec latency 159.481 ms Stopping /mnt/lustre-mds1 (opts:) on oleg423-server 1 653 1.50 MB/sec warmup 14 sec latency 114.619 ms 1 664 1.41 MB/sec warmup 15 sec latency 761.818 ms 1 664 1.32 MB/sec warmup 16 sec latency 1763.391 ms 1 664 1.24 MB/sec warmup 17 sec latency 2763.529 ms 18:00:32 (1787608832) shut down facet: mds1 facet_host: oleg423-server facet_failover_host: oleg423-server 1 664 1.17 MB/sec warmup 18 sec latency 3763.775 ms 1 664 1.11 MB/sec warmup 19 sec latency 4764.349 ms 1 664 0.00 MB/sec execute 1 sec latency 6764.888 ms 1 664 0.00 MB/sec execute 2 sec latency 7765.131 ms 1 664 0.00 MB/sec execute 3 sec latency 8765.463 ms 1 664 0.00 MB/sec execute 4 sec latency 9765.976 ms 1 664 0.00 MB/sec execute 5 sec latency 10767.246 ms 1 664 0.00 MB/sec execute 6 sec latency 11767.454 ms 1 664 0.00 MB/sec execute 7 sec latency 12767.672 ms Failover mds1 to oleg423-server mount facets: mds1 1 664 0.00 MB/sec execute 8 sec latency 13789.737 ms 1 664 0.00 MB/sec execute 9 sec latency 14789.956 ms 1 664 0.00 MB/sec execute 10 sec latency 15790.099 ms 1 664 0.00 MB/sec execute 11 sec latency 16794.177 ms 1 664 0.00 MB/sec execute 12 sec latency 17795.200 ms 1 664 0.00 MB/sec execute 13 sec latency 18796.642 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 664 0.00 MB/sec execute 14 sec latency 19796.791 ms 1 664 0.00 MB/sec execute 15 sec latency 20796.964 ms 1 664 0.00 MB/sec execute 16 sec latency 21797.118 ms 1 664 0.00 MB/sec execute 17 sec latency 22799.874 ms 1 664 0.00 MB/sec execute 18 sec latency 23800.413 ms 1 664 0.00 MB/sec execute 19 sec latency 24800.725 ms oleg423-server: oleg423-server.virtnet: executing set_default_debug -1 all 1 664 0.00 MB/sec execute 20 sec latency 25801.162 ms pdsh@oleg423-client: oleg423-server: ssh exited with exit code 1 1 664 0.00 MB/sec execute 21 sec latency 26820.866 ms 1 664 0.00 MB/sec execute 22 sec latency 27821.506 ms Started lustre-MDT0000 18:00:57 (1787608857) targets are mounted 18:00:57 (1787608857) facet_failover done 1 664 0.00 MB/sec execute 23 sec latency 28821.828 ms 1 664 0.00 MB/sec execute 24 sec latency 29822.093 ms 1 664 0.00 MB/sec execute 25 sec latency 30822.331 ms 1 664 0.00 MB/sec execute 26 sec latency 31822.706 ms 1 664 0.00 MB/sec execute 27 sec latency 32822.865 ms 1 664 0.00 MB/sec execute 28 sec latency 33825.759 ms 1 664 0.00 MB/sec execute 29 sec latency 34825.983 ms 1 664 0.00 MB/sec execute 30 sec latency 35826.186 ms 1 664 0.00 MB/sec execute 31 sec latency 36826.436 ms 1 664 0.00 MB/sec execute 32 sec latency 37826.818 ms 1 664 0.00 MB/sec execute 33 sec latency 38837.570 ms 1 664 0.00 MB/sec execute 34 sec latency 39837.957 ms 1 664 0.00 MB/sec execute 35 sec latency 40838.210 ms 1 678 0.00 MB/sec execute 36 sec latency 40918.622 ms 1 718 0.00 MB/sec execute 37 sec latency 121.238 ms 1 736 0.00 MB/sec execute 38 sec latency 248.830 ms 1 778 0.01 MB/sec execute 39 sec latency 175.964 ms 1 799 0.01 MB/sec execute 40 sec latency 258.251 ms oleg423-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 846 0.01 MB/sec execute 41 sec latency 192.525 ms 1 873 0.01 MB/sec execute 42 sec latency 262.737 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 892 0.01 MB/sec execute 43 sec latency 327.568 ms 1 916 0.01 MB/sec execute 44 sec latency 309.317 ms 1 955 0.01 MB/sec execute 45 sec latency 144.366 ms 1 985 0.02 MB/sec execute 46 sec latency 204.370 ms 1 1026 0.04 MB/sec execute 47 sec latency 141.702 ms 1 1086 0.04 MB/sec execute 48 sec latency 71.047 ms 1 1149 0.04 MB/sec execute 49 sec latency 77.276 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1200 0.04 MB/sec execute 50 sec latency 92.859 ms 1 1245 0.04 MB/sec execute 51 sec latency 83.698 ms 1 1385 0.09 MB/sec execute 52 sec latency 116.410 ms 1 1422 0.09 MB/sec execute 53 sec latency 122.798 ms 1 1474 0.09 MB/sec execute 54 sec latency 77.806 ms 1 1504 0.09 MB/sec execute 55 sec latency 313.312 ms 1 1560 0.09 MB/sec execute 56 sec latency 112.192 ms 1 1597 0.09 MB/sec execute 57 sec latency 88.965 ms 1 1634 0.09 MB/sec execute 58 sec latency 376.781 ms 1 1672 0.09 MB/sec execute 59 sec latency 176.217 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 24 18:01:34 EDT 2026 with return code 0 47223 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47223 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished