== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:10:27 (1787137827) Starting client oleg231-client.virtnet: -o user_xattr,flock 192.168.202.131@tcp:/lustre /mnt/lustre Started clients oleg231-client.virtnet: 192.168.202.131@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 45187 Started dbench loop with 45188 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 18432 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7484416 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 07:10:32 EDT 2026 waiting for dbench pid 45257 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 19 0.33 MB/sec warmup 1 sec latency 58.668 ms 1 65 1.41 MB/sec warmup 2 sec latency 168.338 ms 1 111 1.75 MB/sec warmup 3 sec latency 136.068 ms 1 151 1.59 MB/sec warmup 4 sec latency 153.504 ms 1 184 1.46 MB/sec warmup 5 sec latency 270.984 ms test_26 fail mds1 1 times 1 207 1.35 MB/sec warmup 6 sec latency 274.191 ms Failing mds1 on oleg231-server 1 239 1.30 MB/sec warmup 7 sec latency 166.464 ms Stopping /mnt/lustre-mds1 (opts:) on oleg231-server 1 280 1.30 MB/sec warmup 8 sec latency 124.897 ms 1 305 1.24 MB/sec warmup 9 sec latency 210.226 ms 1 305 1.12 MB/sec warmup 10 sec latency 1215.040 ms 1 305 1.02 MB/sec warmup 11 sec latency 2215.231 ms 07:10:44 (1787137844) shut down facet: mds1 facet_host: oleg231-server facet_failover_host: oleg231-server 1 305 0.93 MB/sec warmup 12 sec latency 3218.319 ms 1 305 0.86 MB/sec warmup 13 sec latency 4218.538 ms 1 305 0.80 MB/sec warmup 14 sec latency 5218.833 ms 1 305 0.75 MB/sec warmup 15 sec latency 6219.019 ms 1 305 0.70 MB/sec warmup 16 sec latency 7227.035 ms 1 305 0.66 MB/sec warmup 17 sec latency 8227.224 ms 1 305 0.62 MB/sec warmup 18 sec latency 9228.093 ms 1 305 0.59 MB/sec warmup 19 sec latency 10230.539 ms 1 305 0.00 MB/sec execute 1 sec latency 12230.947 ms Failover mds1 to oleg231-server 1 305 0.00 MB/sec execute 2 sec latency 13231.113 ms mount facets: mds1 1 305 0.00 MB/sec execute 3 sec latency 14231.550 ms 1 305 0.00 MB/sec execute 4 sec latency 15231.818 ms 1 305 0.00 MB/sec execute 5 sec latency 16232.404 ms 1 305 0.00 MB/sec execute 6 sec latency 17234.875 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 305 0.00 MB/sec execute 7 sec latency 18237.207 ms 1 305 0.00 MB/sec execute 8 sec latency 19237.356 ms 1 305 0.00 MB/sec execute 9 sec latency 20237.551 ms 1 305 0.00 MB/sec execute 10 sec latency 21237.884 ms 1 305 0.00 MB/sec execute 11 sec latency 22238.285 ms 1 305 0.00 MB/sec execute 12 sec latency 23238.552 ms 1 305 0.00 MB/sec execute 13 sec latency 24239.429 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 305 0.00 MB/sec execute 14 sec latency 25242.098 ms pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 305 0.00 MB/sec execute 15 sec latency 26245.760 ms Started lustre-MDT0000 07:11:08 (1787137868) targets are mounted 07:11:08 (1787137868) facet_failover done 1 305 0.00 MB/sec execute 16 sec latency 27246.650 ms 1 305 0.00 MB/sec execute 17 sec latency 28246.893 ms 1 305 0.00 MB/sec execute 18 sec latency 29250.548 ms 1 305 0.00 MB/sec execute 19 sec latency 30250.818 ms 1 305 0.00 MB/sec execute 20 sec latency 31250.991 ms 1 305 0.00 MB/sec execute 21 sec latency 32251.594 ms 1 305 0.00 MB/sec execute 22 sec latency 33251.832 ms 1 305 0.00 MB/sec execute 23 sec latency 34252.319 ms 1 305 0.00 MB/sec execute 24 sec latency 35254.730 ms 1 305 0.00 MB/sec execute 25 sec latency 36254.927 ms 1 305 0.00 MB/sec execute 26 sec latency 37255.110 ms 1 305 0.00 MB/sec execute 27 sec latency 38255.668 ms 1 305 0.00 MB/sec execute 28 sec latency 39255.867 ms 1 305 0.00 MB/sec execute 29 sec latency 40256.535 ms 1 305 0.00 MB/sec execute 30 sec latency 41256.981 ms 1 339 0.03 MB/sec execute 31 sec latency 41346.620 ms 1 368 0.06 MB/sec execute 32 sec latency 195.839 ms 1 420 0.11 MB/sec execute 33 sec latency 103.942 ms 1 465 0.15 MB/sec execute 34 sec latency 101.442 ms 1 503 0.18 MB/sec execute 35 sec latency 128.583 ms oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 543 0.22 MB/sec execute 36 sec latency 175.758 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 616 0.26 MB/sec execute 37 sec latency 90.466 ms 1 664 0.26 MB/sec execute 38 sec latency 113.335 ms 1 678 0.25 MB/sec execute 39 sec latency 270.545 ms 1 721 0.25 MB/sec execute 40 sec latency 87.902 ms 1 747 0.25 MB/sec execute 41 sec latency 151.961 ms 1 798 0.24 MB/sec execute 42 sec latency 156.546 ms 1 845 0.24 MB/sec execute 43 sec latency 118.806 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3685376 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3697664 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7383040 1% /mnt/lustre 1 876 0.24 MB/sec execute 44 sec latency 163.299 ms 1 910 0.23 MB/sec execute 45 sec latency 155.264 ms 1 951 0.23 MB/sec execute 46 sec latency 161.582 ms 1 981 0.23 MB/sec execute 47 sec latency 294.522 ms 1 1051 0.24 MB/sec execute 48 sec latency 89.403 ms test_26 fail mds1 2 times 1 1118 0.24 MB/sec execute 49 sec latency 67.214 ms 1 1155 0.24 MB/sec execute 50 sec latency 111.534 ms Failing mds1 on oleg231-server 1 1198 0.23 MB/sec execute 51 sec latency 87.761 ms Stopping /mnt/lustre-mds1 (opts:) on oleg231-server 1 1241 0.23 MB/sec execute 52 sec latency 92.248 ms 1 1263 0.22 MB/sec execute 53 sec latency 389.899 ms 1 1263 0.22 MB/sec execute 54 sec latency 1391.379 ms 1 1263 0.22 MB/sec execute 55 sec latency 2391.663 ms 07:11:48 (1787137908) shut down facet: mds1 facet_host: oleg231-server facet_failover_host: oleg231-server 1 1263 0.21 MB/sec execute 56 sec latency 3391.884 ms 1 1263 0.21 MB/sec execute 57 sec latency 4392.266 ms 1 1263 0.20 MB/sec execute 58 sec latency 5392.532 ms 1 1263 0.20 MB/sec execute 59 sec latency 6392.736 ms 1 1263 0.20 MB/sec execute 60 sec latency 7392.991 ms 1 1263 0.19 MB/sec execute 61 sec latency 8393.339 ms 1 1263 0.19 MB/sec execute 62 sec latency 9394.522 ms 1 1263 0.19 MB/sec execute 63 sec latency 10394.745 ms 1 1263 0.19 MB/sec execute 64 sec latency 11395.437 ms 1 1263 0.18 MB/sec execute 65 sec latency 12396.517 ms Failover mds1 to oleg231-server mount facets: mds1 1 1263 0.18 MB/sec execute 66 sec latency 13396.691 ms 1 1263 0.18 MB/sec execute 67 sec latency 14396.901 ms 1 1263 0.17 MB/sec execute 68 sec latency 15398.688 ms 1 1263 0.17 MB/sec execute 69 sec latency 16399.111 ms 1 1263 0.17 MB/sec execute 70 sec latency 17399.392 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1263 0.17 MB/sec execute 71 sec latency 18400.086 ms 1 1263 0.16 MB/sec execute 72 sec latency 19400.311 ms 1 1263 0.16 MB/sec execute 73 sec latency 20400.526 ms 1 1263 0.16 MB/sec execute 74 sec latency 21400.869 ms 1 1263 0.16 MB/sec execute 75 sec latency 22403.408 ms 1 1263 0.16 MB/sec execute 76 sec latency 23403.644 ms 1 1263 0.15 MB/sec execute 77 sec latency 24406.080 ms 1 1263 0.15 MB/sec execute 78 sec latency 25406.546 ms 1 1263 0.15 MB/sec execute 79 sec latency 26406.778 ms 1 1263 0.15 MB/sec execute 80 sec latency 27407.049 ms 1 1263 0.15 MB/sec execute 81 sec latency 28409.430 ms 1 1263 0.14 MB/sec execute 82 sec latency 29409.718 ms 1 1263 0.14 MB/sec execute 83 sec latency 30410.002 ms 1 1263 0.14 MB/sec execute 84 sec latency 31410.741 ms 1 1263 0.14 MB/sec execute 85 sec latency 32411.012 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 1263 0.14 MB/sec execute 86 sec latency 33411.232 ms pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 1263 0.14 MB/sec execute 87 sec latency 34418.309 ms Started lustre-MDT0000 07:12:21 (1787137941) targets are mounted 07:12:21 (1787137941) facet_failover done 1 1263 0.13 MB/sec execute 88 sec latency 35422.065 ms 1 1263 0.13 MB/sec execute 89 sec latency 36428.683 ms 1 1263 0.13 MB/sec execute 90 sec latency 37428.914 ms 1 1263 0.13 MB/sec execute 91 sec latency 38429.941 ms 1 1263 0.13 MB/sec execute 92 sec latency 39430.323 ms 1 1263 0.13 MB/sec execute 93 sec latency 40440.008 ms 1 1263 0.13 MB/sec execute 94 sec latency 41440.367 ms 1 1263 0.12 MB/sec execute 95 sec latency 42440.814 ms 1 1263 0.12 MB/sec execute 96 sec latency 43441.014 ms 1 1296 0.13 MB/sec execute 97 sec latency 43721.648 ms 1 1410 0.15 MB/sec execute 98 sec latency 170.090 ms 1 1459 0.15 MB/sec execute 99 sec latency 96.563 ms 1 cleanup 100 sec oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 101 sec 1 cleanup 102 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 179 293.976 41346.602 Close 154 12.597 42.184 Rename 10 79.323 113.689 Unlink 19 25.532 54.642 Qpathinfo 114 18.930 90.443 Qfileinfo 64 2.745 18.362 Qfsinfo 33 3.159 18.305 Sfileinfo 34 1339.030 43721.629 Find 52 6.490 65.213 WriteX 284 12.895 68.079 ReadX 232 2.352 67.199 Flush 25 120.191 294.505 Throughput 0.149409 MB/sec 1 clients 1 procs max_latency=43721.648 ms stopping dbench on /mnt/lustre at Wed Aug 19 07:12:36 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 Wed Aug 19 07:12:42 EDT 2026 waiting for dbench pid 47251 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 2048 3753984 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 46080 3680256 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7434240 1% /mnt/lustre 1 30 1.04 MB/sec warmup 1 sec latency 21.043 ms 1 75 1.60 MB/sec warmup 2 sec latency 227.459 ms 1 120 1.83 MB/sec warmup 3 sec latency 249.563 ms 1 147 1.57 MB/sec warmup 4 sec latency 146.223 ms 1 173 1.41 MB/sec warmup 5 sec latency 168.734 ms 1 190 1.26 MB/sec warmup 6 sec latency 213.164 ms 1 223 1.23 MB/sec warmup 7 sec latency 166.735 ms test_26 fail mds1 3 times 1 249 1.17 MB/sec warmup 8 sec latency 199.081 ms 1 279 1.16 MB/sec warmup 9 sec latency 212.230 ms Failing mds1 on oleg231-server 1 290 1.07 MB/sec warmup 10 sec latency 371.013 ms 1 315 1.04 MB/sec warmup 11 sec latency 174.971 ms Stopping /mnt/lustre-mds1 (opts:) on oleg231-server 1 338 1.02 MB/sec warmup 12 sec latency 233.134 ms 1 357 0.98 MB/sec warmup 13 sec latency 237.988 ms 1 357 0.91 MB/sec warmup 14 sec latency 1046.393 ms 1 357 0.85 MB/sec warmup 15 sec latency 2049.936 ms 1 357 0.80 MB/sec warmup 16 sec latency 3050.723 ms 1 357 0.75 MB/sec warmup 17 sec latency 4060.778 ms 1 357 0.71 MB/sec warmup 18 sec latency 5060.972 ms 07:13:01 (1787137981) shut down facet: mds1 facet_host: oleg231-server facet_failover_host: oleg231-server 1 357 0.67 MB/sec warmup 19 sec latency 6063.091 ms 1 357 0.00 MB/sec execute 1 sec latency 8066.069 ms 1 357 0.00 MB/sec execute 2 sec latency 9066.393 ms 1 357 0.00 MB/sec execute 3 sec latency 10067.414 ms 1 357 0.00 MB/sec execute 4 sec latency 11067.732 ms 1 357 0.00 MB/sec execute 5 sec latency 12069.478 ms 1 357 0.00 MB/sec execute 6 sec latency 13071.929 ms 1 357 0.00 MB/sec execute 7 sec latency 14072.549 ms 1 357 0.00 MB/sec execute 8 sec latency 15072.892 ms 1 357 0.00 MB/sec execute 9 sec latency 16073.386 ms Failover mds1 to oleg231-server mount facets: mds1 1 357 0.00 MB/sec execute 10 sec latency 17073.594 ms 1 357 0.00 MB/sec execute 11 sec latency 18074.752 ms 1 357 0.00 MB/sec execute 12 sec latency 19076.953 ms 1 357 0.00 MB/sec execute 13 sec latency 20077.231 ms 1 357 0.00 MB/sec execute 14 sec latency 21078.409 ms 1 357 0.00 MB/sec execute 15 sec latency 22078.718 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 357 0.00 MB/sec execute 16 sec latency 23081.658 ms 1 357 0.00 MB/sec execute 17 sec latency 24081.932 ms 1 357 0.00 MB/sec execute 18 sec latency 25082.223 ms 1 357 0.00 MB/sec execute 19 sec latency 26082.475 ms 1 357 0.00 MB/sec execute 20 sec latency 27082.959 ms 1 357 0.00 MB/sec execute 21 sec latency 28083.427 ms 1 357 0.00 MB/sec execute 22 sec latency 29084.014 ms 1 357 0.00 MB/sec execute 23 sec latency 30084.267 ms 1 357 0.00 MB/sec execute 24 sec latency 31084.631 ms 1 357 0.00 MB/sec execute 25 sec latency 32084.943 ms 1 357 0.00 MB/sec execute 26 sec latency 33085.142 ms 1 357 0.00 MB/sec execute 27 sec latency 34088.523 ms 1 357 0.00 MB/sec execute 28 sec latency 35090.483 ms 1 357 0.00 MB/sec execute 29 sec latency 36090.744 ms 1 357 0.00 MB/sec execute 30 sec latency 37093.368 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 357 0.00 MB/sec execute 31 sec latency 38093.675 ms pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 357 0.00 MB/sec execute 32 sec latency 39094.936 ms 1 357 0.00 MB/sec execute 33 sec latency 40096.149 ms Started lustre-MDT0000 07:13:36 (1787138016) targets are mounted 07:13:36 (1787138016) facet_failover done 1 357 0.00 MB/sec execute 34 sec latency 41096.975 ms 1 357 0.00 MB/sec execute 35 sec latency 42097.165 ms 1 357 0.00 MB/sec execute 36 sec latency 43097.522 ms 1 357 0.00 MB/sec execute 37 sec latency 44097.877 ms 1 357 0.00 MB/sec execute 38 sec latency 45098.231 ms 1 357 0.00 MB/sec execute 39 sec latency 46098.567 ms 1 357 0.00 MB/sec execute 40 sec latency 47099.074 ms 1 357 0.00 MB/sec execute 41 sec latency 48101.060 ms 1 357 0.00 MB/sec execute 42 sec latency 49101.629 ms 1 357 0.00 MB/sec execute 43 sec latency 50101.970 ms 1 357 0.00 MB/sec execute 44 sec latency 51107.005 ms 1 357 0.00 MB/sec execute 45 sec latency 52107.474 ms 1 357 0.00 MB/sec execute 46 sec latency 53108.223 ms 1 357 0.00 MB/sec execute 47 sec latency 54111.785 ms 1 381 0.02 MB/sec execute 48 sec latency 54515.471 ms 1 413 0.04 MB/sec execute 49 sec latency 126.859 ms 1 457 0.06 MB/sec execute 50 sec latency 151.563 ms 1 501 0.09 MB/sec execute 51 sec latency 139.126 ms 1 541 0.12 MB/sec execute 52 sec latency 129.401 ms 1 610 0.15 MB/sec execute 53 sec latency 184.090 ms oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 664 0.15 MB/sec execute 54 sec latency 95.209 ms 1 678 0.15 MB/sec execute 55 sec latency 309.925 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 711 0.15 MB/sec execute 56 sec latency 105.590 ms 1 726 0.15 MB/sec execute 57 sec latency 353.853 ms 1 740 0.15 MB/sec execute 58 sec latency 277.663 ms 1 778 0.15 MB/sec execute 59 sec latency 121.455 ms 1 798 0.14 MB/sec execute 60 sec latency 275.219 ms 1 846 0.14 MB/sec execute 61 sec latency 93.814 ms 1 890 0.14 MB/sec execute 62 sec latency 145.648 ms 1 913 0.14 MB/sec execute 63 sec latency 360.079 ms 1 940 0.14 MB/sec execute 64 sec latency 401.335 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 970 0.14 MB/sec execute 65 sec latency 127.668 ms 1 985 0.14 MB/sec execute 66 sec latency 395.880 ms 1 1020 0.14 MB/sec execute 67 sec latency 184.664 ms 1 1060 0.15 MB/sec execute 68 sec latency 159.793 ms 1 1091 0.15 MB/sec execute 69 sec latency 120.874 ms 1 1132 0.15 MB/sec execute 70 sec latency 183.448 ms 1 1155 0.14 MB/sec execute 71 sec latency 221.391 ms 1 1190 0.14 MB/sec execute 72 sec latency 239.364 ms 1 1217 0.14 MB/sec execute 73 sec latency 155.203 ms 1 1242 0.14 MB/sec execute 74 sec latency 157.407 ms 1 1263 0.14 MB/sec execute 75 sec latency 193.718 ms 1 1318 0.15 MB/sec execute 76 sec latency 195.748 ms 1 1403 0.17 MB/sec execute 77 sec latency 115.530 ms 1 1429 0.17 MB/sec execute 78 sec latency 144.275 ms 1 1468 0.17 MB/sec execute 79 sec latency 100.781 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Aug 19 07:14:22 EDT 2026 with return code 0 1 1499 0.17 MB/sec execute 80 sec latency 271.089 ms 47251 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47251 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished