== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:46:28 (1787604388) Starting client oleg146-client.virtnet: -o user_xattr,flock 192.168.201.146@tcp:/lustre /mnt/lustre Started clients oleg146-client.virtnet: 192.168.201.146@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 45209 Started dbench loop with 45210 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 22528 3730432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3755008 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7485440 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 16:46:34 EDT 2026 waiting for dbench pid 45269 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 31 1.05 MB/sec warmup 1 sec latency 47.374 ms 1 85 1.92 MB/sec warmup 2 sec latency 183.125 ms 1 113 1.74 MB/sec warmup 3 sec latency 337.836 ms 1 147 1.56 MB/sec warmup 4 sec latency 150.128 ms 1 184 1.46 MB/sec warmup 5 sec latency 144.484 ms test_26 fail mds1 1 times 1 215 1.39 MB/sec warmup 6 sec latency 201.044 ms 1 248 1.34 MB/sec warmup 7 sec latency 182.044 ms 1 282 1.30 MB/sec warmup 8 sec latency 121.724 ms Failing mds1 on oleg146-server 1 305 1.24 MB/sec warmup 9 sec latency 157.493 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 339 1.22 MB/sec warmup 10 sec latency 132.518 ms 1 348 1.14 MB/sec warmup 11 sec latency 557.655 ms 1 348 1.04 MB/sec warmup 12 sec latency 1559.334 ms 1 348 0.96 MB/sec warmup 13 sec latency 2563.887 ms 16:46:48 (1787604408) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 348 0.89 MB/sec warmup 14 sec latency 3564.916 ms 1 348 0.83 MB/sec warmup 15 sec latency 4565.173 ms 1 348 0.78 MB/sec warmup 16 sec latency 5565.469 ms 1 348 0.74 MB/sec warmup 17 sec latency 6565.790 ms 1 348 0.69 MB/sec warmup 18 sec latency 7566.007 ms 1 348 0.66 MB/sec warmup 19 sec latency 8567.641 ms 1 348 0.00 MB/sec execute 1 sec latency 10570.468 ms 1 348 0.00 MB/sec execute 2 sec latency 11570.803 ms 1 348 0.00 MB/sec execute 3 sec latency 12571.085 ms Failover mds1 to oleg146-server 1 348 0.00 MB/sec execute 4 sec latency 13580.670 ms mount facets: mds1 1 348 0.00 MB/sec execute 5 sec latency 14580.857 ms 1 348 0.00 MB/sec execute 6 sec latency 15584.585 ms 1 348 0.00 MB/sec execute 7 sec latency 16585.325 ms 1 348 0.00 MB/sec execute 8 sec latency 17615.358 ms 1 348 0.00 MB/sec execute 9 sec latency 18616.170 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 10 sec latency 19616.426 ms 1 348 0.00 MB/sec execute 11 sec latency 20616.682 ms 1 348 0.00 MB/sec execute 12 sec latency 21624.717 ms 1 348 0.00 MB/sec execute 13 sec latency 22624.923 ms 1 348 0.00 MB/sec execute 14 sec latency 23625.258 ms 1 348 0.00 MB/sec execute 15 sec latency 24625.461 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 16 sec latency 25625.738 ms 1 348 0.00 MB/sec execute 17 sec latency 26627.087 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 18 sec latency 27627.363 ms Started lustre-MDT0000 16:47:12 (1787604432) targets are mounted 16:47:12 (1787604432) facet_failover done 1 348 0.00 MB/sec execute 19 sec latency 28627.534 ms 1 348 0.00 MB/sec execute 20 sec latency 29627.740 ms 1 348 0.00 MB/sec execute 21 sec latency 30628.166 ms 1 348 0.00 MB/sec execute 22 sec latency 31628.592 ms 1 348 0.00 MB/sec execute 23 sec latency 32628.774 ms 1 348 0.00 MB/sec execute 24 sec latency 33629.259 ms 1 348 0.00 MB/sec execute 25 sec latency 34630.384 ms 1 348 0.00 MB/sec execute 26 sec latency 35630.624 ms 1 348 0.00 MB/sec execute 27 sec latency 36632.400 ms 1 348 0.00 MB/sec execute 28 sec latency 37643.961 ms 1 348 0.00 MB/sec execute 29 sec latency 38646.082 ms 1 349 0.00 MB/sec execute 30 sec latency 39467.841 ms 1 373 0.03 MB/sec execute 31 sec latency 389.248 ms 1 413 0.06 MB/sec execute 32 sec latency 148.667 ms 1 453 0.10 MB/sec execute 33 sec latency 108.799 ms 1 501 0.14 MB/sec execute 34 sec latency 132.061 ms 1 575 0.19 MB/sec execute 35 sec latency 168.902 ms oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 652 0.24 MB/sec execute 36 sec latency 82.606 ms 1 676 0.23 MB/sec execute 37 sec latency 257.073 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 711 0.23 MB/sec execute 38 sec latency 131.107 ms 1 733 0.22 MB/sec execute 39 sec latency 260.104 ms 1 769 0.22 MB/sec execute 40 sec latency 124.954 ms 1 796 0.22 MB/sec execute 41 sec latency 246.908 ms 1 848 0.21 MB/sec execute 42 sec latency 136.368 ms 1 876 0.21 MB/sec execute 43 sec latency 259.935 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 44032 3670016 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7414784 1% /mnt/lustre 1 903 0.21 MB/sec execute 44 sec latency 148.522 ms 1 933 0.21 MB/sec execute 45 sec latency 193.052 ms 1 969 0.20 MB/sec execute 46 sec latency 118.531 ms 1 988 0.20 MB/sec execute 47 sec latency 283.438 ms 1 1045 0.22 MB/sec execute 48 sec latency 114.813 ms 1 1100 0.21 MB/sec execute 49 sec latency 126.805 ms 1 1145 0.21 MB/sec execute 50 sec latency 88.025 ms test_26 fail mds1 2 times 1 1188 0.21 MB/sec execute 51 sec latency 97.529 ms Failing mds1 on oleg146-server 1 1228 0.20 MB/sec execute 52 sec latency 104.575 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 1270 0.20 MB/sec execute 53 sec latency 104.852 ms 1 1384 0.25 MB/sec execute 54 sec latency 448.257 ms 1 1384 0.24 MB/sec execute 55 sec latency 1448.759 ms 1 1384 0.24 MB/sec execute 56 sec latency 2448.978 ms 16:47:50 (1787604470) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 1384 0.24 MB/sec execute 57 sec latency 3451.100 ms 1 1384 0.23 MB/sec execute 58 sec latency 4453.401 ms 1 1384 0.23 MB/sec execute 59 sec latency 5453.712 ms 1 1384 0.22 MB/sec execute 60 sec latency 6453.949 ms 1 1384 0.22 MB/sec execute 61 sec latency 7454.178 ms 1 1384 0.22 MB/sec execute 62 sec latency 8454.464 ms 1 1384 0.21 MB/sec execute 63 sec latency 9454.720 ms 1 1384 0.21 MB/sec execute 64 sec latency 10455.070 ms 1 1384 0.21 MB/sec execute 65 sec latency 11455.268 ms 1 1384 0.20 MB/sec execute 66 sec latency 12455.817 ms Failover mds1 to oleg146-server mount facets: mds1 1 1384 0.20 MB/sec execute 67 sec latency 13456.302 ms 1 1384 0.20 MB/sec execute 68 sec latency 14459.842 ms 1 1384 0.19 MB/sec execute 69 sec latency 15463.892 ms 1 1384 0.19 MB/sec execute 70 sec latency 16471.176 ms 1 1384 0.19 MB/sec execute 71 sec latency 17471.630 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1384 0.19 MB/sec execute 72 sec latency 18471.884 ms 1 1384 0.18 MB/sec execute 73 sec latency 19472.364 ms 1 1384 0.18 MB/sec execute 74 sec latency 20473.929 ms 1 1384 0.18 MB/sec execute 75 sec latency 21474.137 ms 1 1384 0.18 MB/sec execute 76 sec latency 22474.406 ms 1 1384 0.17 MB/sec execute 77 sec latency 23477.072 ms 1 1384 0.17 MB/sec execute 78 sec latency 24477.481 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 1384 0.17 MB/sec execute 79 sec latency 25477.695 ms 1 1384 0.17 MB/sec execute 80 sec latency 26478.876 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 1384 0.17 MB/sec execute 81 sec latency 27479.047 ms Started lustre-MDT0000 16:48:16 (1787604496) targets are mounted 16:48:16 (1787604496) facet_failover done 1 1384 0.16 MB/sec execute 82 sec latency 28479.309 ms 1 1384 0.16 MB/sec execute 83 sec latency 29500.511 ms 1 1384 0.16 MB/sec execute 84 sec latency 30500.698 ms 1 1384 0.16 MB/sec execute 85 sec latency 31501.109 ms 1 1384 0.16 MB/sec execute 86 sec latency 32502.129 ms 1 1384 0.15 MB/sec execute 87 sec latency 33502.425 ms 1 1384 0.15 MB/sec execute 88 sec latency 34502.854 ms 1 1384 0.15 MB/sec execute 89 sec latency 35503.084 ms 1 1384 0.15 MB/sec execute 90 sec latency 36509.448 ms 1 1384 0.15 MB/sec execute 91 sec latency 37510.962 ms 1 1384 0.15 MB/sec execute 92 sec latency 38511.591 ms 1 1384 0.14 MB/sec execute 93 sec latency 39511.983 ms 1 1384 0.14 MB/sec execute 94 sec latency 40513.343 ms 1 1384 0.14 MB/sec execute 95 sec latency 41514.823 ms 1 1393 0.14 MB/sec execute 96 sec latency 42067.022 ms 1 1426 0.14 MB/sec execute 97 sec latency 112.804 ms 1 1467 0.14 MB/sec execute 98 sec latency 80.291 ms 1 1481 0.14 MB/sec execute 99 sec latency 622.620 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 174 308.264 42066.984 Close 151 274.613 39467.803 Rename 10 88.567 183.310 Unlink 19 32.009 63.226 Qpathinfo 115 21.716 126.773 Qfileinfo 60 2.371 34.841 Qfsinfo 33 3.133 20.236 Sfileinfo 34 55.209 100.513 Find 52 10.089 145.449 WriteX 261 12.119 61.212 ReadX 234 2.773 82.285 Flush 25 138.286 283.418 Throughput 0.136281 MB/sec 1 clients 1 procs max_latency=42067.022 ms stopping dbench on /mnt/lustre at Mon Aug 24 16:48:38 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Mon Aug 24 16:48:45 EDT 2026 waiting for dbench pid 47282 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 50176 3690496 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 23552 3719168 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7409664 1% /mnt/lustre 1 31 1.05 MB/sec warmup 1 sec latency 33.145 ms 1 71 1.57 MB/sec warmup 2 sec latency 151.630 ms 1 113 1.75 MB/sec warmup 3 sec latency 197.364 ms 1 139 1.50 MB/sec warmup 4 sec latency 224.447 ms 1 173 1.41 MB/sec warmup 5 sec latency 198.152 ms 1 207 1.35 MB/sec warmup 6 sec latency 132.238 ms test_26 fail mds1 3 times 1 247 1.34 MB/sec warmup 7 sec latency 126.702 ms 1 280 1.30 MB/sec warmup 8 sec latency 135.168 ms 1 305 1.24 MB/sec warmup 9 sec latency 166.971 ms Failing mds1 on oleg146-server 1 332 1.20 MB/sec warmup 10 sec latency 229.160 ms Stopping /mnt/lustre-mds1 (opts:) on oleg146-server 1 357 1.16 MB/sec warmup 11 sec latency 211.664 ms 1 382 1.13 MB/sec warmup 12 sec latency 189.416 ms 1 388 1.06 MB/sec warmup 13 sec latency 917.630 ms 1 388 0.99 MB/sec warmup 14 sec latency 1917.888 ms 1 388 0.92 MB/sec warmup 15 sec latency 2918.144 ms 16:49:00 (1787604540) shut down facet: mds1 facet_host: oleg146-server facet_failover_host: oleg146-server 1 388 0.86 MB/sec warmup 16 sec latency 3918.460 ms 1 388 0.81 MB/sec warmup 17 sec latency 4926.791 ms 1 388 0.77 MB/sec warmup 18 sec latency 5927.150 ms 1 388 0.73 MB/sec warmup 19 sec latency 6927.414 ms 1 388 0.00 MB/sec execute 1 sec latency 8928.569 ms 1 388 0.00 MB/sec execute 2 sec latency 9928.798 ms 1 388 0.00 MB/sec execute 3 sec latency 10929.112 ms 1 388 0.00 MB/sec execute 4 sec latency 11929.460 ms 1 388 0.00 MB/sec execute 5 sec latency 12929.762 ms Failover mds1 to oleg146-server mount facets: mds1 1 388 0.00 MB/sec execute 6 sec latency 13934.548 ms 1 388 0.00 MB/sec execute 7 sec latency 14934.844 ms 1 388 0.00 MB/sec execute 8 sec latency 15935.045 ms 1 388 0.00 MB/sec execute 9 sec latency 16938.591 ms 1 388 0.00 MB/sec execute 10 sec latency 17938.826 ms 1 388 0.00 MB/sec execute 11 sec latency 18941.408 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 388 0.00 MB/sec execute 12 sec latency 19943.180 ms 1 388 0.00 MB/sec execute 13 sec latency 20943.989 ms 1 388 0.00 MB/sec execute 14 sec latency 21944.357 ms 1 388 0.00 MB/sec execute 15 sec latency 22945.114 ms 1 388 0.00 MB/sec execute 16 sec latency 23947.312 ms 1 388 0.00 MB/sec execute 17 sec latency 24949.302 ms 1 388 0.00 MB/sec execute 18 sec latency 25949.543 ms 1 388 0.00 MB/sec execute 19 sec latency 26950.853 ms 1 388 0.00 MB/sec execute 20 sec latency 27951.171 ms 1 388 0.00 MB/sec execute 21 sec latency 28955.218 ms 1 388 0.00 MB/sec execute 22 sec latency 29955.435 ms 1 388 0.00 MB/sec execute 23 sec latency 30956.121 ms 1 388 0.00 MB/sec execute 24 sec latency 31959.617 ms 1 388 0.00 MB/sec execute 25 sec latency 32960.860 ms 1 388 0.00 MB/sec execute 26 sec latency 33961.525 ms oleg146-server: oleg146-server.virtnet: executing set_default_debug -1 all 1 388 0.00 MB/sec execute 27 sec latency 34962.222 ms pdsh@oleg146-client: oleg146-server: ssh exited with exit code 1 1 388 0.00 MB/sec execute 28 sec latency 35963.411 ms Started lustre-MDT0000 16:49:34 (1787604574) targets are mounted 16:49:34 (1787604574) facet_failover done 1 388 0.00 MB/sec execute 29 sec latency 36963.658 ms 1 388 0.00 MB/sec execute 30 sec latency 37964.067 ms 1 388 0.00 MB/sec execute 31 sec latency 38964.377 ms 1 388 0.00 MB/sec execute 32 sec latency 39964.599 ms 1 388 0.00 MB/sec execute 33 sec latency 40967.486 ms 1 388 0.00 MB/sec execute 34 sec latency 41968.917 ms 1 388 0.00 MB/sec execute 35 sec latency 42971.135 ms 1 390 0.00 MB/sec execute 36 sec latency 43682.210 ms 1 437 0.04 MB/sec execute 37 sec latency 118.973 ms 1 477 0.08 MB/sec execute 38 sec latency 153.509 ms 1 511 0.10 MB/sec execute 39 sec latency 163.705 ms 1 590 0.16 MB/sec execute 40 sec latency 137.070 ms oleg146-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 652 0.18 MB/sec execute 41 sec latency 91.209 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 669 0.17 MB/sec execute 42 sec latency 303.293 ms 1 706 0.17 MB/sec execute 43 sec latency 112.431 ms 1 730 0.17 MB/sec execute 44 sec latency 279.311 ms 1 767 0.17 MB/sec execute 45 sec latency 100.396 ms 1 791 0.17 MB/sec execute 46 sec latency 172.638 ms 1 817 0.16 MB/sec execute 47 sec latency 179.368 ms 1 873 0.16 MB/sec execute 48 sec latency 130.664 ms 1 904 0.16 MB/sec execute 49 sec latency 302.193 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 940 0.16 MB/sec execute 50 sec latency 173.350 ms 1 976 0.16 MB/sec execute 51 sec latency 109.222 ms 1 1007 0.16 MB/sec execute 52 sec latency 268.761 ms 1 1082 0.17 MB/sec execute 53 sec latency 89.701 ms 1 1136 0.17 MB/sec execute 54 sec latency 81.335 ms 1 1185 0.17 MB/sec execute 55 sec latency 92.456 ms 1 1236 0.16 MB/sec execute 56 sec latency 80.083 ms 1 1268 0.16 MB/sec execute 57 sec latency 162.513 ms 1 1403 0.21 MB/sec execute 58 sec latency 70.448 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Aug 24 16:50:04 EDT 2026 with return code 0 1 1457 0.21 MB/sec execute 59 sec latency 76.931 ms 47282 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47282 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished