== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:35:10 (1789605310) Starting client oleg444-client.virtnet: -o user_xattr,flock 192.168.204.144@tcp:/lustre /mnt/lustre Started clients oleg444-client.virtnet: 192.168.204.144@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 65690 Started dbench loop with 65691 striped dir -i0 -c2 -H all_char /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 1964 1269340 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13852 3584872 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190348 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 Sep 16 20:35:16 EDT 2026 waiting for dbench pid 65770 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 17 0.20 MB/sec warmup 1 sec latency 6.957 ms 1 72 1.57 MB/sec warmup 2 sec latency 191.229 ms 1 111 1.74 MB/sec warmup 3 sec latency 264.554 ms 1 137 1.50 MB/sec warmup 4 sec latency 264.868 ms 1 163 1.34 MB/sec warmup 5 sec latency 273.493 ms 1 184 1.23 MB/sec warmup 6 sec latency 233.993 ms 1 199 1.12 MB/sec warmup 7 sec latency 533.114 ms 1 239 1.14 MB/sec warmup 8 sec latency 173.967 ms 1 285 1.18 MB/sec warmup 9 sec latency 101.911 ms test_26 fail mds1 1 times 1 323 1.17 MB/sec warmup 10 sec latency 119.537 ms 1 357 1.16 MB/sec warmup 11 sec latency 155.682 ms 1 389 1.15 MB/sec warmup 12 sec latency 194.035 ms Failing mds1 on oleg444-server 1 421 1.14 MB/sec warmup 13 sec latency 163.183 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 453 1.13 MB/sec warmup 14 sec latency 187.280 ms 1 489 1.13 MB/sec warmup 15 sec latency 154.071 ms 1 501 1.09 MB/sec warmup 16 sec latency 741.166 ms 20:35:33 (1789605333) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 501 1.03 MB/sec warmup 17 sec latency 1748.789 ms 1 501 0.97 MB/sec warmup 18 sec latency 2750.625 ms 1 501 0.92 MB/sec warmup 19 sec latency 3751.257 ms 1 501 0.00 MB/sec execute 1 sec latency 5754.527 ms 1 501 0.00 MB/sec execute 2 sec latency 6755.499 ms 1 501 0.00 MB/sec execute 3 sec latency 7757.400 ms 1 501 0.00 MB/sec execute 4 sec latency 8757.819 ms 1 501 0.00 MB/sec execute 5 sec latency 9758.860 ms 1 501 0.00 MB/sec execute 6 sec latency 10759.323 ms 1 501 0.00 MB/sec execute 7 sec latency 11759.474 ms Failover mds1 to oleg444-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 12759.905 ms 1 501 0.00 MB/sec execute 9 sec latency 13770.966 ms 1 501 0.00 MB/sec execute 10 sec latency 14771.214 ms 1 501 0.00 MB/sec execute 11 sec latency 15775.880 ms 1 501 0.00 MB/sec execute 12 sec latency 16776.150 ms 1 501 0.00 MB/sec execute 13 sec latency 17776.444 ms 1 501 0.00 MB/sec execute 14 sec latency 18776.624 ms 1 501 0.00 MB/sec execute 15 sec latency 19777.290 ms 1 501 0.00 MB/sec execute 16 sec latency 20778.810 ms 1 501 0.00 MB/sec execute 17 sec latency 21782.398 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 18 sec latency 22783.297 ms 1 501 0.00 MB/sec execute 19 sec latency 23785.229 ms 1 501 0.00 MB/sec execute 20 sec latency 24785.522 ms 1 501 0.00 MB/sec execute 21 sec latency 25786.300 ms 1 501 0.00 MB/sec execute 22 sec latency 26786.589 ms 1 501 0.00 MB/sec execute 23 sec latency 27788.815 ms 1 501 0.00 MB/sec execute 24 sec latency 28791.414 ms 1 501 0.00 MB/sec execute 25 sec latency 29791.922 ms 1 501 0.00 MB/sec execute 26 sec latency 30792.797 ms 1 501 0.00 MB/sec execute 27 sec latency 31793.070 ms 1 501 0.00 MB/sec execute 28 sec latency 32793.816 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 29 sec latency 33794.066 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 Started lustre-MDT0000 1 501 0.00 MB/sec execute 30 sec latency 34794.418 ms 20:36:07 (1789605367) targets are mounted 20:36:07 (1789605367) facet_failover done 1 503 0.00 MB/sec execute 31 sec latency 35718.467 ms 1 528 0.02 MB/sec execute 32 sec latency 202.371 ms 1 557 0.05 MB/sec execute 33 sec latency 553.114 ms 1 612 0.10 MB/sec execute 34 sec latency 122.269 ms 1 666 0.11 MB/sec execute 35 sec latency 205.739 ms 1 710 0.10 MB/sec execute 36 sec latency 97.751 ms 1 738 0.10 MB/sec execute 37 sec latency 129.730 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 770 0.10 MB/sec execute 38 sec latency 181.906 ms 1 789 0.10 MB/sec execute 39 sec latency 170.795 ms 1 808 0.10 MB/sec execute 40 sec latency 202.001 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 851 0.10 MB/sec execute 41 sec latency 159.723 ms 1 873 0.10 MB/sec execute 42 sec latency 183.468 ms 1 892 0.10 MB/sec execute 43 sec latency 172.568 ms 1 913 0.10 MB/sec execute 44 sec latency 148.461 ms 1 940 0.10 MB/sec execute 45 sec latency 135.537 ms 1 967 0.09 MB/sec execute 46 sec latency 267.051 ms 1 983 0.09 MB/sec execute 47 sec latency 221.401 ms 1 1029 0.11 MB/sec execute 48 sec latency 268.996 ms 1 1076 0.11 MB/sec execute 49 sec latency 83.861 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2148 1269156 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1920 1269384 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36948 3567944 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 18872 3585864 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55820 7153808 1% /mnt/lustre 1 1124 0.11 MB/sec execute 50 sec latency 106.838 ms 1 1154 0.11 MB/sec execute 51 sec latency 151.374 ms 1 1172 0.11 MB/sec execute 52 sec latency 639.404 ms 1 1193 0.11 MB/sec execute 53 sec latency 895.181 ms 1 1229 0.10 MB/sec execute 54 sec latency 131.160 ms 1 1259 0.10 MB/sec execute 55 sec latency 179.054 ms 1 1264 0.10 MB/sec execute 56 sec latency 851.394 ms 1 1278 0.10 MB/sec execute 57 sec latency 1287.854 ms 1 1405 0.15 MB/sec execute 58 sec latency 133.412 ms 1 1446 0.14 MB/sec execute 59 sec latency 106.560 ms test_26 fail mds2 2 times 1 1486 0.14 MB/sec execute 60 sec latency 158.315 ms 1 1505 0.14 MB/sec execute 61 sec latency 160.195 ms 1 1537 0.14 MB/sec execute 62 sec latency 174.549 ms Failing mds2 on oleg444-server 1 1580 0.14 MB/sec execute 63 sec latency 125.417 ms Stopping /mnt/lustre-mds2 (opts:) on oleg444-server 1 1625 0.14 MB/sec execute 64 sec latency 116.990 ms 1 1655 0.13 MB/sec execute 65 sec latency 267.560 ms 1 1655 0.13 MB/sec execute 66 sec latency 1267.865 ms 1 1655 0.13 MB/sec execute 67 sec latency 2268.737 ms 20:36:44 (1789605404) shut down facet: mds2 facet_host: oleg444-server facet_failover_host: oleg444-server 1 1655 0.13 MB/sec execute 68 sec latency 3269.011 ms 1 1655 0.13 MB/sec execute 69 sec latency 4269.475 ms 1 1655 0.12 MB/sec execute 70 sec latency 5269.773 ms 1 1655 0.12 MB/sec execute 71 sec latency 6271.301 ms 1 1655 0.12 MB/sec execute 72 sec latency 7271.575 ms 1 1655 0.12 MB/sec execute 73 sec latency 8271.897 ms 1 1655 0.12 MB/sec execute 74 sec latency 9272.217 ms 1 1655 0.12 MB/sec execute 75 sec latency 10275.265 ms 1 1655 0.11 MB/sec execute 76 sec latency 11275.989 ms 1 1655 0.11 MB/sec execute 77 sec latency 12277.323 ms Failover mds2 to oleg444-server mount facets: mds2 1 1655 0.11 MB/sec execute 78 sec latency 13292.139 ms 1 1655 0.11 MB/sec execute 79 sec latency 14292.500 ms 1 1655 0.11 MB/sec execute 80 sec latency 15292.799 ms 1 1655 0.11 MB/sec execute 81 sec latency 16296.482 ms 1 1655 0.11 MB/sec execute 82 sec latency 17304.385 ms 1 1655 0.11 MB/sec execute 83 sec latency 18304.573 ms 1 1655 0.10 MB/sec execute 84 sec latency 19304.888 ms 1 1655 0.10 MB/sec execute 85 sec latency 20311.603 ms 1 1655 0.10 MB/sec execute 86 sec latency 21312.158 ms 1 1655 0.10 MB/sec execute 87 sec latency 22314.856 ms 1 1655 0.10 MB/sec execute 88 sec latency 23316.009 ms 1 1655 0.10 MB/sec execute 89 sec latency 24316.187 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1655 0.10 MB/sec execute 90 sec latency 25316.544 ms 1 1655 0.10 MB/sec execute 91 sec latency 26317.108 ms 1 1655 0.09 MB/sec execute 92 sec latency 27317.417 ms 1 1655 0.09 MB/sec execute 93 sec latency 28317.713 ms 1 1655 0.09 MB/sec execute 94 sec latency 29317.995 ms 1 1655 0.09 MB/sec execute 95 sec latency 30318.302 ms 1 1655 0.09 MB/sec execute 96 sec latency 31319.255 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 1655 0.09 MB/sec execute 97 sec latency 32319.501 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 1655 0.09 MB/sec execute 98 sec latency 33320.722 ms 1 1655 0.09 MB/sec execute 99 sec latency 34329.222 ms Started lustre-MDT0001 20:37:16 (1789605436) targets are mounted 20:37:16 (1789605436) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 194 437.252 35718.446 Close 166 24.895 1287.833 Rename 11 123.208 179.020 Unlink 22 38.615 81.197 Qpathinfo 152 22.410 106.403 Qfileinfo 48 2.892 14.075 Qfsinfo 33 3.672 21.839 Sfileinfo 34 77.139 221.376 Find 61 18.857 84.565 WriteX 183 16.808 106.536 ReadX 256 0.145 5.987 Flush 27 69.248 268.979 Throughput 0.0881308 MB/sec 1 clients 1 procs max_latency=35718.467 ms stopping dbench on /mnt/lustre at Wed Sep 16 20:37:21 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 Wed Sep 16 20:37:31 EDT 2026 waiting for dbench pid 67903 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 12 0.00 MB/sec warmup 1 sec latency 5.744 ms 1 64 1.37 MB/sec warmup 2 sec latency 131.655 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2316 1268988 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2204 1269100 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10644 3596232 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 36572 3568836 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47216 7165068 1% /mnt/lustre 1 111 1.74 MB/sec warmup 3 sec latency 150.872 ms 1 130 1.44 MB/sec warmup 4 sec latency 257.875 ms 1 165 1.36 MB/sec warmup 5 sec latency 146.143 ms 1 189 1.26 MB/sec warmup 6 sec latency 359.484 ms 1 218 1.19 MB/sec warmup 7 sec latency 156.171 ms 1 231 1.11 MB/sec warmup 8 sec latency 685.344 ms 1 240 1.01 MB/sec warmup 9 sec latency 1338.354 ms 1 279 1.04 MB/sec warmup 10 sec latency 112.676 ms 1 318 1.04 MB/sec warmup 11 sec latency 111.189 ms test_26 fail mds1 3 times 1 349 1.04 MB/sec warmup 12 sec latency 167.864 ms 1 389 1.06 MB/sec warmup 13 sec latency 146.482 ms Failing mds1 on oleg444-server 1 429 1.08 MB/sec warmup 14 sec latency 108.957 ms 1 469 1.09 MB/sec warmup 15 sec latency 127.554 ms Stopping /mnt/lustre-mds1 (opts:) on oleg444-server 1 501 1.09 MB/sec warmup 16 sec latency 153.824 ms 1 513 1.04 MB/sec warmup 17 sec latency 648.170 ms 1 513 0.98 MB/sec warmup 18 sec latency 1650.908 ms 1 513 0.93 MB/sec warmup 19 sec latency 2651.120 ms 1 513 0.00 MB/sec execute 1 sec latency 4654.398 ms 1 513 0.00 MB/sec execute 2 sec latency 5654.661 ms 1 513 0.00 MB/sec execute 3 sec latency 6656.124 ms 1 513 0.00 MB/sec execute 4 sec latency 7656.330 ms 20:37:56 (1789605476) shut down facet: mds1 facet_host: oleg444-server facet_failover_host: oleg444-server 1 513 0.00 MB/sec execute 5 sec latency 8656.562 ms 1 513 0.00 MB/sec execute 6 sec latency 9656.775 ms 1 513 0.00 MB/sec execute 7 sec latency 10656.997 ms 1 513 0.00 MB/sec execute 8 sec latency 11659.252 ms 1 513 0.00 MB/sec execute 9 sec latency 12659.483 ms 1 513 0.00 MB/sec execute 10 sec latency 13659.728 ms 1 513 0.00 MB/sec execute 11 sec latency 14660.024 ms 1 513 0.00 MB/sec execute 12 sec latency 15660.572 ms 1 513 0.00 MB/sec execute 13 sec latency 16660.788 ms 1 513 0.00 MB/sec execute 14 sec latency 17661.540 ms Failover mds1 to oleg444-server mount facets: mds1 1 513 0.00 MB/sec execute 15 sec latency 18661.757 ms 1 513 0.00 MB/sec execute 16 sec latency 19662.042 ms 1 513 0.00 MB/sec execute 17 sec latency 20662.251 ms 1 513 0.00 MB/sec execute 18 sec latency 21664.751 ms 1 513 0.00 MB/sec execute 19 sec latency 22665.266 ms 1 513 0.00 MB/sec execute 20 sec latency 23666.160 ms 1 513 0.00 MB/sec execute 21 sec latency 24669.924 ms 1 513 0.00 MB/sec execute 22 sec latency 25673.629 ms 1 513 0.00 MB/sec execute 23 sec latency 26677.019 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 513 0.00 MB/sec execute 24 sec latency 27677.971 ms 1 513 0.00 MB/sec execute 25 sec latency 28678.248 ms 1 513 0.00 MB/sec execute 26 sec latency 29679.889 ms 1 513 0.00 MB/sec execute 27 sec latency 30681.089 ms 1 513 0.00 MB/sec execute 28 sec latency 31682.506 ms 1 513 0.00 MB/sec execute 29 sec latency 32683.220 ms 1 513 0.00 MB/sec execute 30 sec latency 33683.461 ms 1 513 0.00 MB/sec execute 31 sec latency 34683.731 ms 1 513 0.00 MB/sec execute 32 sec latency 35683.985 ms 1 513 0.00 MB/sec execute 33 sec latency 36684.375 ms 1 513 0.00 MB/sec execute 34 sec latency 37684.715 ms 1 513 0.00 MB/sec execute 35 sec latency 38685.184 ms oleg444-server: oleg444-server.virtnet: executing set_default_debug -1 all 1 513 0.00 MB/sec execute 36 sec latency 39689.084 ms pdsh@oleg444-client: oleg444-server: ssh exited with exit code 1 1 513 0.00 MB/sec execute 37 sec latency 40693.321 ms Started lustre-MDT0000 20:38:30 (1789605510) targets are mounted 20:38:30 (1789605510) facet_failover done 1 542 0.04 MB/sec execute 38 sec latency 41003.059 ms 1 573 0.04 MB/sec execute 39 sec latency 746.456 ms 1 639 0.08 MB/sec execute 40 sec latency 121.379 ms 1 661 0.08 MB/sec execute 41 sec latency 180.080 ms 1 692 0.08 MB/sec execute 42 sec latency 145.171 ms 1 718 0.08 MB/sec execute 43 sec latency 123.270 ms 1 747 0.08 MB/sec execute 44 sec latency 131.786 ms 1 779 0.08 MB/sec execute 45 sec latency 167.043 ms oleg444-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 806 0.08 MB/sec execute 46 sec latency 136.879 ms 1 857 0.08 MB/sec execute 47 sec latency 99.610 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 882 0.08 MB/sec execute 48 sec latency 121.401 ms 1 903 0.08 MB/sec execute 49 sec latency 164.092 ms 1 926 0.08 MB/sec execute 50 sec latency 123.549 ms 1 969 0.08 MB/sec execute 51 sec latency 102.702 ms 1 988 0.08 MB/sec execute 52 sec latency 147.217 ms 1 1059 0.10 MB/sec execute 53 sec latency 110.468 ms 1 1127 0.10 MB/sec execute 54 sec latency 61.271 ms 1 1168 0.10 MB/sec execute 55 sec latency 110.089 ms 1 1172 0.09 MB/sec execute 56 sec latency 970.722 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1211 0.09 MB/sec execute 57 sec latency 990.954 ms 1 1252 0.09 MB/sec execute 58 sec latency 92.004 ms 1 1387 0.14 MB/sec execute 59 sec latency 89.379 ms 1 1442 0.14 MB/sec execute 60 sec latency 81.050 ms 1 1481 0.14 MB/sec execute 61 sec latency 97.440 ms 1 1526 0.13 MB/sec execute 62 sec latency 101.758 ms 1 1597 0.13 MB/sec execute 63 sec latency 80.646 ms 1 1646 0.13 MB/sec execute 64 sec latency 143.637 ms 1 1689 0.13 MB/sec execute 65 sec latency 127.149 ms 1 1758 0.13 MB/sec execute 66 sec latency 90.475 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Sep 16 20:38:58 EDT 2026 with return code 0 67903 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67903 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished