== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:11:57 (1789067517) Starting client oleg135-client.virtnet: -o user_xattr,flock 192.168.201.135@tcp:/lustre /mnt/lustre Started clients oleg135-client.virtnet: 192.168.201.135@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 65659 Started dbench loop with 65660 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 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584772 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190248 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 Thu Sep 10 15:12:03 EDT 2026 waiting for dbench pid 65737 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 59.101 ms 1 85 1.93 MB/sec warmup 2 sec latency 111.093 ms 1 135 1.98 MB/sec warmup 3 sec latency 158.212 ms 1 166 1.70 MB/sec warmup 4 sec latency 151.902 ms 1 188 1.51 MB/sec warmup 5 sec latency 468.854 ms 1 207 1.35 MB/sec warmup 6 sec latency 194.626 ms 1 245 1.33 MB/sec warmup 7 sec latency 227.661 ms 1 287 1.34 MB/sec warmup 8 sec latency 117.509 ms test_26 fail mds1 1 times 1 318 1.27 MB/sec warmup 9 sec latency 135.150 ms 1 349 1.25 MB/sec warmup 10 sec latency 200.734 ms Failing mds1 on oleg135-server 1 389 1.25 MB/sec warmup 11 sec latency 167.909 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 429 1.26 MB/sec warmup 12 sec latency 141.831 ms 1 445 1.20 MB/sec warmup 13 sec latency 502.418 ms 1 445 1.12 MB/sec warmup 14 sec latency 1504.059 ms 15:12:18 (1789067538) shut down 1 445 1.04 MB/sec warmup 15 sec latency 2518.413 ms facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 445 0.98 MB/sec warmup 16 sec latency 3519.027 ms 1 445 0.92 MB/sec warmup 17 sec latency 4521.391 ms 1 445 0.87 MB/sec warmup 18 sec latency 5523.374 ms 1 445 0.82 MB/sec warmup 19 sec latency 6523.666 ms 1 445 0.00 MB/sec execute 1 sec latency 8524.463 ms 1 445 0.00 MB/sec execute 2 sec latency 9524.778 ms 1 445 0.00 MB/sec execute 3 sec latency 10526.512 ms 1 445 0.00 MB/sec execute 4 sec latency 11527.822 ms 1 445 0.00 MB/sec execute 5 sec latency 12528.092 ms Failover mds1 to oleg135-server mount facets: mds1 1 445 0.00 MB/sec execute 6 sec latency 13528.398 ms 1 445 0.00 MB/sec execute 7 sec latency 14529.723 ms 1 445 0.00 MB/sec execute 8 sec latency 15530.436 ms 1 445 0.00 MB/sec execute 9 sec latency 16533.326 ms 1 445 0.00 MB/sec execute 10 sec latency 17533.777 ms 1 445 0.00 MB/sec execute 11 sec latency 18534.042 ms 1 445 0.00 MB/sec execute 12 sec latency 19534.865 ms 1 445 0.00 MB/sec execute 13 sec latency 20535.127 ms 1 445 0.00 MB/sec execute 14 sec latency 21535.344 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 445 0.00 MB/sec execute 15 sec latency 22535.572 ms 1 445 0.00 MB/sec execute 16 sec latency 23536.690 ms 1 445 0.00 MB/sec execute 17 sec latency 24537.017 ms 1 445 0.00 MB/sec execute 18 sec latency 25538.624 ms 1 445 0.00 MB/sec execute 19 sec latency 26540.489 ms 1 445 0.00 MB/sec execute 20 sec latency 27541.605 ms 1 445 0.00 MB/sec execute 21 sec latency 28541.755 ms 1 445 0.00 MB/sec execute 22 sec latency 29551.984 ms 1 445 0.00 MB/sec execute 23 sec latency 30552.305 ms 1 445 0.00 MB/sec execute 24 sec latency 31553.014 ms 1 445 0.00 MB/sec execute 25 sec latency 32553.251 ms 1 445 0.00 MB/sec execute 26 sec latency 33556.204 ms 1 445 0.00 MB/sec execute 27 sec latency 34556.950 ms 1 445 0.00 MB/sec execute 28 sec latency 35559.778 ms 1 445 0.00 MB/sec execute 29 sec latency 36559.988 ms 1 445 0.00 MB/sec execute 30 sec latency 37560.181 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 445 0.00 MB/sec execute 31 sec latency 38563.216 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 445 0.00 MB/sec execute 32 sec latency 39563.956 ms Started lustre-MDT0000 15:12:56 (1789067576) targets are mounted 15:12:56 (1789067576) facet_failover done 1 445 0.00 MB/sec execute 33 sec latency 40565.825 ms 1 445 0.00 MB/sec execute 34 sec latency 41565.993 ms 1 477 0.03 MB/sec execute 35 sec latency 41641.041 ms 1 503 0.05 MB/sec execute 36 sec latency 183.225 ms 1 530 0.07 MB/sec execute 37 sec latency 196.528 ms 1 601 0.14 MB/sec execute 38 sec latency 159.666 ms 1 642 0.14 MB/sec execute 39 sec latency 134.277 ms 1 681 0.14 MB/sec execute 40 sec latency 125.918 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 711 0.14 MB/sec execute 41 sec latency 130.875 ms 1 740 0.13 MB/sec execute 42 sec latency 124.952 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.13 MB/sec execute 43 sec latency 168.610 ms 1 794 0.13 MB/sec execute 44 sec latency 145.994 ms 1 827 0.13 MB/sec execute 45 sec latency 132.307 ms 1 876 0.13 MB/sec execute 46 sec latency 247.233 ms 1 884 0.13 MB/sec execute 47 sec latency 797.220 ms 1 888 0.13 MB/sec execute 48 sec latency 1222.901 ms 1 923 0.12 MB/sec execute 49 sec latency 199.196 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2080 1269224 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33392 3570348 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20068 3583324 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53460 7153672 1% /mnt/lustre 1 964 0.12 MB/sec execute 50 sec latency 108.474 ms 1 990 0.12 MB/sec execute 51 sec latency 130.479 ms 1 1050 0.14 MB/sec execute 52 sec latency 80.510 ms 1 1082 0.14 MB/sec execute 53 sec latency 128.290 ms 1 1130 0.14 MB/sec execute 54 sec latency 109.055 ms 1 1161 0.13 MB/sec execute 55 sec latency 153.804 ms 1 1199 0.13 MB/sec execute 56 sec latency 104.422 ms 1 1235 0.13 MB/sec execute 57 sec latency 128.237 ms 1 1274 0.13 MB/sec execute 58 sec latency 140.926 ms 1 1418 0.18 MB/sec execute 59 sec latency 66.487 ms test_26 fail mds2 2 times 1 1467 0.17 MB/sec execute 60 sec latency 78.122 ms 1 1500 0.17 MB/sec execute 61 sec latency 289.836 ms Failing mds2 on oleg135-server 1 1538 0.17 MB/sec execute 62 sec latency 131.791 ms Stopping /mnt/lustre-mds2 (opts:) on oleg135-server 1 1593 0.17 MB/sec execute 63 sec latency 59.929 ms 1 1660 0.16 MB/sec execute 64 sec latency 102.193 ms 1 1719 0.16 MB/sec execute 65 sec latency 123.979 ms 1 1821 0.16 MB/sec execute 66 sec latency 74.335 ms 1 1888 0.16 MB/sec execute 67 sec latency 68.456 ms 1 1994 0.16 MB/sec execute 68 sec latency 79.014 ms 1 2034 0.16 MB/sec execute 69 sec latency 177.354 ms 1 2098 0.16 MB/sec execute 70 sec latency 128.657 ms 1 2150 0.16 MB/sec execute 71 sec latency 135.741 ms 1 2191 0.15 MB/sec execute 72 sec latency 99.916 ms 15:13:35 (1789067615) shut down facet: mds2 facet_host: oleg135-server facet_failover_host: oleg135-server 1 2259 0.15 MB/sec execute 73 sec latency 137.290 ms 1 2259 0.15 MB/sec execute 74 sec latency 1026.321 ms 1 2259 0.15 MB/sec execute 75 sec latency 2026.478 ms 1 2259 0.15 MB/sec execute 76 sec latency 3026.668 ms 1 2259 0.14 MB/sec execute 77 sec latency 4029.319 ms 1 2259 0.14 MB/sec execute 78 sec latency 5029.522 ms 1 2259 0.14 MB/sec execute 79 sec latency 6029.825 ms 1 2259 0.14 MB/sec execute 80 sec latency 7032.458 ms 1 2259 0.14 MB/sec execute 81 sec latency 8032.645 ms 1 2259 0.14 MB/sec execute 82 sec latency 9032.980 ms Failover mds2 to oleg135-server mount facets: mds2 1 2259 0.13 MB/sec execute 83 sec latency 10035.530 ms 1 2259 0.13 MB/sec execute 84 sec latency 11038.197 ms 1 2259 0.13 MB/sec execute 85 sec latency 12038.412 ms 1 2259 0.13 MB/sec execute 86 sec latency 13038.633 ms 1 2259 0.13 MB/sec execute 87 sec latency 14038.824 ms 1 2259 0.13 MB/sec execute 88 sec latency 15039.072 ms 1 2259 0.12 MB/sec execute 89 sec latency 16039.784 ms 1 2259 0.12 MB/sec execute 90 sec latency 17040.008 ms 1 2259 0.12 MB/sec execute 91 sec latency 18041.269 ms 1 2259 0.12 MB/sec execute 92 sec latency 19043.988 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 93 sec latency 20044.142 ms 1 2259 0.12 MB/sec execute 94 sec latency 21044.287 ms 1 2259 0.12 MB/sec execute 95 sec latency 22046.849 ms 1 2259 0.12 MB/sec execute 96 sec latency 23047.907 ms 1 2259 0.11 MB/sec execute 97 sec latency 24048.109 ms 1 2259 0.11 MB/sec execute 98 sec latency 25048.338 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 99 sec latency 26049.498 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0001 15:14:03 (1789067643) targets are mounted 15:14:03 (1789067643) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 327 266.451 41641.025 Close 283 11.277 65.530 Rename 11 108.399 153.780 Unlink 30 22.168 52.449 Qpathinfo 295 15.067 128.269 Qfileinfo 76 2.356 26.451 Qfsinfo 33 4.258 28.036 Sfileinfo 34 62.690 127.618 Find 92 10.994 51.314 WriteX 256 15.099 82.406 ReadX 348 3.108 108.857 Flush 30 54.457 247.218 Throughput 0.112377 MB/sec 1 clients 1 procs max_latency=41641.041 ms stopping dbench on /mnt/lustre at Thu Sep 10 15:14:07 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 crush2 /mnt/lustre2/d26.replay-dual/run_dbench oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Thu Sep 10 15:14:16 EDT 2026 waiting for dbench pid 67825 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 10 0.00 MB/sec warmup 1 sec latency 14.441 ms 1 74 1.57 MB/sec warmup 2 sec latency 105.861 ms 1 121 1.83 MB/sec warmup 3 sec latency 145.877 ms 1 155 1.63 MB/sec warmup 4 sec latency 157.353 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2300 1269004 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2188 1269116 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1896 3605012 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44740 3559864 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164876 1% /mnt/lustre 1 178 1.43 MB/sec warmup 5 sec latency 234.039 ms 1 190 1.26 MB/sec warmup 6 sec latency 598.161 ms 1 223 1.23 MB/sec warmup 7 sec latency 193.435 ms 1 255 1.21 MB/sec warmup 8 sec latency 201.426 ms 1 286 1.19 MB/sec warmup 9 sec latency 177.818 ms 1 314 1.15 MB/sec warmup 10 sec latency 163.313 ms 1 341 1.11 MB/sec warmup 11 sec latency 152.961 ms 1 350 1.04 MB/sec warmup 12 sec latency 699.745 ms 1 397 1.08 MB/sec warmup 13 sec latency 162.153 ms 1 437 1.10 MB/sec warmup 14 sec latency 92.599 ms test_26 fail mds1 3 times 1 485 1.13 MB/sec warmup 15 sec latency 99.823 ms 1 511 1.11 MB/sec warmup 16 sec latency 182.890 ms 1 575 1.14 MB/sec warmup 17 sec latency 138.005 ms Failing mds1 on oleg135-server 1 644 1.17 MB/sec warmup 18 sec latency 93.383 ms Stopping /mnt/lustre-mds1 (opts:) on oleg135-server 1 681 1.11 MB/sec warmup 19 sec latency 120.590 ms 1 692 0.00 MB/sec execute 1 sec latency 1779.518 ms 1 692 0.00 MB/sec execute 2 sec latency 2780.142 ms 15:14:38 (1789067678) shut down facet: mds1 facet_host: oleg135-server facet_failover_host: oleg135-server 1 692 0.00 MB/sec execute 3 sec latency 3780.362 ms 1 692 0.00 MB/sec execute 4 sec latency 4780.605 ms 1 692 0.00 MB/sec execute 5 sec latency 5780.822 ms 1 692 0.00 MB/sec execute 6 sec latency 6781.069 ms 1 692 0.00 MB/sec execute 7 sec latency 7781.602 ms 1 692 0.00 MB/sec execute 8 sec latency 8782.076 ms 1 692 0.00 MB/sec execute 9 sec latency 9782.318 ms 1 692 0.00 MB/sec execute 10 sec latency 10782.497 ms 1 692 0.00 MB/sec execute 11 sec latency 11783.730 ms 1 692 0.00 MB/sec execute 12 sec latency 12786.511 ms Failover mds1 to oleg135-server mount facets: mds1 1 692 0.00 MB/sec execute 13 sec latency 13788.651 ms 1 692 0.00 MB/sec execute 14 sec latency 14790.366 ms 1 692 0.00 MB/sec execute 15 sec latency 15792.328 ms 1 692 0.00 MB/sec execute 16 sec latency 16793.462 ms 1 692 0.00 MB/sec execute 17 sec latency 17793.885 ms 1 692 0.00 MB/sec execute 18 sec latency 18794.111 ms 1 692 0.00 MB/sec execute 19 sec latency 19794.902 ms 1 692 0.00 MB/sec execute 20 sec latency 20795.320 ms 1 692 0.00 MB/sec execute 21 sec latency 21796.524 ms 1 692 0.00 MB/sec execute 22 sec latency 22796.819 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 692 0.00 MB/sec execute 23 sec latency 23797.310 ms 1 692 0.00 MB/sec execute 24 sec latency 24797.522 ms 1 692 0.00 MB/sec execute 25 sec latency 25798.644 ms 1 692 0.00 MB/sec execute 26 sec latency 26798.876 ms 1 692 0.00 MB/sec execute 27 sec latency 27800.684 ms 1 692 0.00 MB/sec execute 28 sec latency 28801.418 ms 1 692 0.00 MB/sec execute 29 sec latency 29801.675 ms 1 692 0.00 MB/sec execute 30 sec latency 30801.925 ms 1 692 0.00 MB/sec execute 31 sec latency 31806.145 ms 1 692 0.00 MB/sec execute 32 sec latency 32806.435 ms 1 692 0.00 MB/sec execute 33 sec latency 33806.719 ms oleg135-server: oleg135-server.virtnet: executing set_default_debug -1 all 1 692 0.00 MB/sec execute 34 sec latency 34807.236 ms pdsh@oleg135-client: oleg135-server: ssh exited with exit code 1 1 692 0.00 MB/sec execute 35 sec latency 35807.948 ms 1 705 0.00 MB/sec execute 36 sec latency 36235.371 ms Started lustre-MDT0000 15:15:12 (1789067712) targets are mounted 15:15:12 (1789067712) facet_failover done 1 720 0.00 MB/sec execute 37 sec latency 390.844 ms 1 733 0.00 MB/sec execute 38 sec latency 948.206 ms 1 765 0.00 MB/sec execute 39 sec latency 179.526 ms 1 786 0.01 MB/sec execute 40 sec latency 246.106 ms 1 811 0.01 MB/sec execute 41 sec latency 207.050 ms 1 857 0.01 MB/sec execute 42 sec latency 130.257 ms 1 882 0.01 MB/sec execute 43 sec latency 136.430 ms oleg135-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 904 0.01 MB/sec execute 44 sec latency 209.582 ms 1 923 0.01 MB/sec execute 45 sec latency 185.340 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 957 0.01 MB/sec execute 46 sec latency 136.216 ms 1 988 0.02 MB/sec execute 47 sec latency 83.254 ms 1 1063 0.04 MB/sec execute 48 sec latency 119.629 ms 1 1122 0.04 MB/sec execute 49 sec latency 80.134 ms 1 1156 0.04 MB/sec execute 50 sec latency 100.772 ms 1 1223 0.04 MB/sec execute 51 sec latency 81.208 ms 1 1268 0.04 MB/sec execute 52 sec latency 81.079 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1378 0.09 MB/sec execute 53 sec latency 567.272 ms 1 1419 0.09 MB/sec execute 54 sec latency 167.069 ms 1 1468 0.09 MB/sec execute 55 sec latency 72.402 ms 1 1509 0.09 MB/sec execute 56 sec latency 107.141 ms 1 1564 0.09 MB/sec execute 57 sec latency 88.188 ms 1 1597 0.09 MB/sec execute 58 sec latency 140.108 ms 1 1634 0.08 MB/sec execute 59 sec latency 299.709 ms 1 1675 0.08 MB/sec execute 60 sec latency 111.699 ms 1 1727 0.08 MB/sec execute 61 sec latency 121.529 ms 1 1799 0.08 MB/sec execute 62 sec latency 98.637 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 10 15:15:39 EDT 2026 with return code 0 1 1861 0.08 MB/sec execute 63 sec latency 70.323 ms 67825 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67825 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished