== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:41:07 (1790743267) Starting client oleg645-client.virtnet: -o user_xattr,flock 192.168.206.145@tcp:/lustre /mnt/lustre Started clients oleg645-client.virtnet: 192.168.206.145@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 45152 Started dbench loop with 45153 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 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7502848 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 30 00:41:13 EDT 2026 waiting for dbench pid 45220 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 14 0.00 MB/sec warmup 1 sec latency 82.552 ms 1 60 1.24 MB/sec warmup 2 sec latency 179.602 ms 1 111 1.75 MB/sec warmup 3 sec latency 173.701 ms 1 137 1.50 MB/sec warmup 4 sec latency 159.833 ms 1 173 1.41 MB/sec warmup 5 sec latency 144.969 ms test_26 fail mds1 1 times 1 203 1.32 MB/sec warmup 6 sec latency 209.575 ms 1 226 1.23 MB/sec warmup 7 sec latency 193.853 ms 1 255 1.21 MB/sec warmup 8 sec latency 167.319 ms Failing mds1 on oleg645-server 1 280 1.16 MB/sec warmup 9 sec latency 220.615 ms Stopping /mnt/lustre-mds1 (opts:) on oleg645-server 1 305 1.12 MB/sec warmup 10 sec latency 206.551 ms 1 331 1.09 MB/sec warmup 11 sec latency 199.687 ms 1 331 1.00 MB/sec warmup 12 sec latency 1152.581 ms 1 331 0.92 MB/sec warmup 13 sec latency 2154.443 ms 00:41:27 (1790743287) shut down facet: mds1 facet_host: oleg645-server facet_failover_host: oleg645-server 1 331 0.86 MB/sec warmup 14 sec latency 3154.671 ms 1 331 0.80 MB/sec warmup 15 sec latency 4154.866 ms 1 331 0.75 MB/sec warmup 16 sec latency 5155.132 ms 1 331 0.71 MB/sec warmup 17 sec latency 6156.618 ms 1 331 0.67 MB/sec warmup 18 sec latency 7160.324 ms 1 331 0.63 MB/sec warmup 19 sec latency 8160.821 ms 1 331 0.00 MB/sec execute 1 sec latency 10161.722 ms 1 331 0.00 MB/sec execute 2 sec latency 11165.115 ms 1 331 0.00 MB/sec execute 3 sec latency 12165.450 ms Failover mds1 to oleg645-server 1 331 0.00 MB/sec execute 4 sec latency 13167.289 ms mount facets: mds1 1 331 0.00 MB/sec execute 5 sec latency 14170.424 ms 1 331 0.00 MB/sec execute 6 sec latency 15170.614 ms 1 331 0.00 MB/sec execute 7 sec latency 16173.356 ms 1 331 0.00 MB/sec execute 8 sec latency 17173.676 ms 1 331 0.00 MB/sec execute 9 sec latency 18174.291 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 331 0.00 MB/sec execute 10 sec latency 19174.592 ms 1 331 0.00 MB/sec execute 11 sec latency 20177.325 ms 1 331 0.00 MB/sec execute 12 sec latency 21177.645 ms 1 331 0.00 MB/sec execute 13 sec latency 22180.000 ms 1 331 0.00 MB/sec execute 14 sec latency 23180.400 ms 1 331 0.00 MB/sec execute 15 sec latency 24180.680 ms 1 331 0.00 MB/sec execute 16 sec latency 25180.984 ms 1 331 0.00 MB/sec execute 17 sec latency 26181.235 ms 1 331 0.00 MB/sec execute 18 sec latency 27181.558 ms 1 331 0.00 MB/sec execute 19 sec latency 28184.009 ms 1 331 0.00 MB/sec execute 20 sec latency 29184.238 ms 1 331 0.00 MB/sec execute 21 sec latency 30184.487 ms 1 331 0.00 MB/sec execute 22 sec latency 31184.866 ms 1 331 0.00 MB/sec execute 23 sec latency 32185.529 ms 1 331 0.00 MB/sec execute 24 sec latency 33185.891 ms 1 331 0.00 MB/sec execute 25 sec latency 34187.984 ms 1 331 0.00 MB/sec execute 26 sec latency 35188.551 ms oleg645-server: oleg645-server.virtnet: executing set_default_debug -1 all 1 331 0.00 MB/sec execute 27 sec latency 36189.607 ms pdsh@oleg645-client: oleg645-server: ssh exited with exit code 1 1 331 0.00 MB/sec execute 28 sec latency 37189.890 ms Started lustre-MDT0000 00:42:02 (1790743322) targets are mounted 00:42:02 (1790743322) facet_failover done 1 331 0.00 MB/sec execute 29 sec latency 38190.666 ms 1 331 0.00 MB/sec execute 30 sec latency 39190.900 ms 1 347 0.01 MB/sec execute 31 sec latency 39504.791 ms 1 381 0.05 MB/sec execute 32 sec latency 160.907 ms 1 421 0.09 MB/sec execute 33 sec latency 137.008 ms 1 454 0.11 MB/sec execute 34 sec latency 126.884 ms 1 496 0.15 MB/sec execute 35 sec latency 135.414 ms oleg645-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 542 0.20 MB/sec execute 36 sec latency 175.335 ms 1 638 0.24 MB/sec execute 37 sec latency 100.863 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.24 MB/sec execute 38 sec latency 222.868 ms 1 692 0.24 MB/sec execute 39 sec latency 261.774 ms 1 721 0.23 MB/sec execute 40 sec latency 167.022 ms 1 740 0.23 MB/sec execute 41 sec latency 246.653 ms 1 776 0.22 MB/sec execute 42 sec latency 205.778 ms 1 799 0.22 MB/sec execute 43 sec latency 260.022 ms 1 827 0.22 MB/sec execute 44 sec latency 130.379 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 13312 3714048 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3695616 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 51200 7409664 1% /mnt/lustre 1 873 0.21 MB/sec execute 45 sec latency 152.403 ms 1 898 0.21 MB/sec execute 46 sec latency 267.397 ms 1 915 0.21 MB/sec execute 47 sec latency 260.313 ms 1 949 0.20 MB/sec execute 48 sec latency 121.973 ms 1 979 0.20 MB/sec execute 49 sec latency 125.165 ms 1 1000 0.20 MB/sec execute 50 sec latency 291.868 ms 1 1077 0.21 MB/sec execute 51 sec latency 86.297 ms test_26 fail mds1 2 times 1 1134 0.21 MB/sec execute 52 sec latency 72.618 ms 1 1167 0.21 MB/sec execute 53 sec latency 133.403 ms Failing mds1 on oleg645-server 1 1209 0.20 MB/sec execute 54 sec latency 75.012 ms Stopping /mnt/lustre-mds1 (opts:) on oleg645-server 1 1243 0.20 MB/sec execute 55 sec latency 103.339 ms 1 1262 0.20 MB/sec execute 56 sec latency 496.873 ms 1 1262 0.19 MB/sec execute 57 sec latency 1500.010 ms 1 1262 0.19 MB/sec execute 58 sec latency 2504.546 ms 00:42:32 (1790743352) shut down facet: mds1 facet_host: oleg645-server facet_failover_host: oleg645-server 1 1262 0.19 MB/sec execute 59 sec latency 3504.807 ms 1 1262 0.18 MB/sec execute 60 sec latency 4507.702 ms 1 1262 0.18 MB/sec execute 61 sec latency 5508.231 ms 1 1262 0.18 MB/sec execute 62 sec latency 6508.495 ms 1 1262 0.18 MB/sec execute 63 sec latency 7508.701 ms 1 1262 0.17 MB/sec execute 64 sec latency 8508.890 ms 1 1262 0.17 MB/sec execute 65 sec latency 9509.359 ms 1 1262 0.17 MB/sec execute 66 sec latency 10509.550 ms 1 1262 0.17 MB/sec execute 67 sec latency 11509.755 ms 1 1262 0.16 MB/sec execute 68 sec latency 12510.531 ms Failover mds1 to oleg645-server mount facets: mds1 1 1262 0.16 MB/sec execute 69 sec latency 13511.191 ms 1 1262 0.16 MB/sec execute 70 sec latency 14511.402 ms 1 1262 0.16 MB/sec execute 71 sec latency 15516.388 ms 1 1262 0.15 MB/sec execute 72 sec latency 16519.227 ms 1 1262 0.15 MB/sec execute 73 sec latency 17519.481 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1262 0.15 MB/sec execute 74 sec latency 18519.840 ms 1 1262 0.15 MB/sec execute 75 sec latency 19521.138 ms 1 1262 0.15 MB/sec execute 76 sec latency 20523.550 ms 1 1262 0.14 MB/sec execute 77 sec latency 21524.957 ms 1 1262 0.14 MB/sec execute 78 sec latency 22525.221 ms 1 1262 0.14 MB/sec execute 79 sec latency 23525.580 ms 1 1262 0.14 MB/sec execute 80 sec latency 24526.864 ms 1 1262 0.14 MB/sec execute 81 sec latency 25527.124 ms 1 1262 0.14 MB/sec execute 82 sec latency 26527.393 ms 1 1262 0.13 MB/sec execute 83 sec latency 27527.612 ms 1 1262 0.13 MB/sec execute 84 sec latency 28527.800 ms 1 1262 0.13 MB/sec execute 85 sec latency 29528.064 ms 1 1262 0.13 MB/sec execute 86 sec latency 30528.781 ms 1 1262 0.13 MB/sec execute 87 sec latency 31529.024 ms oleg645-server: oleg645-server.virtnet: executing set_default_debug -1 all 1 1262 0.13 MB/sec execute 88 sec latency 32530.054 ms pdsh@oleg645-client: oleg645-server: ssh exited with exit code 1 1 1262 0.12 MB/sec execute 89 sec latency 33531.124 ms Started lustre-MDT0000 00:43:03 (1790743383) targets are mounted 00:43:03 (1790743383) facet_failover done 1 1262 0.12 MB/sec execute 90 sec latency 34532.715 ms 1 1262 0.12 MB/sec execute 91 sec latency 35532.886 ms 1 1262 0.12 MB/sec execute 92 sec latency 36534.206 ms 1 1262 0.12 MB/sec execute 93 sec latency 37534.956 ms 1 1262 0.12 MB/sec execute 94 sec latency 38542.648 ms 1 1262 0.12 MB/sec execute 95 sec latency 39543.031 ms 1 1262 0.12 MB/sec execute 96 sec latency 40543.213 ms 1 1384 0.14 MB/sec execute 97 sec latency 40629.152 ms 1 1428 0.14 MB/sec execute 98 sec latency 97.793 ms 1 1481 0.14 MB/sec execute 99 sec latency 80.703 ms 1 cleanup 100 sec oleg645-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 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 177 292.169 39504.775 Close 152 13.141 35.219 Rename 10 100.486 147.692 Unlink 19 31.753 64.283 Qpathinfo 115 22.146 90.868 Qfileinfo 62 2.096 22.086 Qfsinfo 33 2.942 16.915 Sfileinfo 34 1261.580 40629.137 Find 52 7.530 62.055 WriteX 271 14.024 69.131 ReadX 234 2.480 80.108 Flush 25 141.832 291.853 Throughput 0.141533 MB/sec 1 clients 1 procs max_latency=40629.152 ms stopping dbench on /mnt/lustre at Wed Sep 30 00:43:17 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 Sep 30 00:43:23 EDT 2026 waiting for dbench pid 47216 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 49152 3673088 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 31744 3717120 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 80896 7390208 2% /mnt/lustre 1 27 0.85 MB/sec warmup 1 sec latency 21.715 ms 1 80 1.77 MB/sec warmup 2 sec latency 169.338 ms 1 121 1.83 MB/sec warmup 3 sec latency 190.723 ms 1 147 1.57 MB/sec warmup 4 sec latency 222.946 ms 1 174 1.41 MB/sec warmup 5 sec latency 209.927 ms 1 202 1.30 MB/sec warmup 6 sec latency 181.711 ms test_26 fail mds1 3 times 1 231 1.27 MB/sec warmup 7 sec latency 151.915 ms 1 263 1.24 MB/sec warmup 8 sec latency 159.573 ms 1 289 1.19 MB/sec warmup 9 sec latency 143.276 ms Failing mds1 on oleg645-server 1 321 1.16 MB/sec warmup 10 sec latency 190.745 ms Stopping /mnt/lustre-mds1 (opts:) on oleg645-server 1 361 1.16 MB/sec warmup 11 sec latency 142.594 ms 1 380 1.13 MB/sec warmup 12 sec latency 622.315 ms 1 380 1.04 MB/sec warmup 13 sec latency 1622.579 ms 1 380 0.97 MB/sec warmup 14 sec latency 2623.857 ms 00:43:38 (1790743418) shut down 1 380 0.90 MB/sec warmup 15 sec latency 3625.862 ms facet: mds1 facet_host: oleg645-server facet_failover_host: oleg645-server 1 380 0.85 MB/sec warmup 16 sec latency 4626.235 ms 1 380 0.80 MB/sec warmup 17 sec latency 5632.528 ms 1 380 0.75 MB/sec warmup 18 sec latency 6632.707 ms 1 380 0.71 MB/sec warmup 19 sec latency 7636.741 ms 1 380 0.00 MB/sec execute 1 sec latency 9639.531 ms 1 380 0.00 MB/sec execute 2 sec latency 10640.092 ms 1 380 0.00 MB/sec execute 3 sec latency 11642.518 ms 1 380 0.00 MB/sec execute 4 sec latency 12642.882 ms 1 380 0.00 MB/sec execute 5 sec latency 13646.052 ms Failover mds1 to oleg645-server mount facets: mds1 1 380 0.00 MB/sec execute 6 sec latency 14652.577 ms 1 380 0.00 MB/sec execute 7 sec latency 15652.743 ms 1 380 0.00 MB/sec execute 8 sec latency 16652.982 ms 1 380 0.00 MB/sec execute 9 sec latency 17656.245 ms 1 380 0.00 MB/sec execute 10 sec latency 18656.397 ms 1 380 0.00 MB/sec execute 11 sec latency 19658.256 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 380 0.00 MB/sec execute 12 sec latency 20658.960 ms 1 380 0.00 MB/sec execute 13 sec latency 21659.249 ms 1 380 0.00 MB/sec execute 14 sec latency 22660.585 ms 1 380 0.00 MB/sec execute 15 sec latency 23660.924 ms 1 380 0.00 MB/sec execute 16 sec latency 24661.204 ms 1 380 0.00 MB/sec execute 17 sec latency 25661.641 ms 1 380 0.00 MB/sec execute 18 sec latency 26661.920 ms 1 380 0.00 MB/sec execute 19 sec latency 27662.113 ms 1 380 0.00 MB/sec execute 20 sec latency 28667.796 ms 1 380 0.00 MB/sec execute 21 sec latency 29668.803 ms 1 380 0.00 MB/sec execute 22 sec latency 30668.985 ms 1 380 0.00 MB/sec execute 23 sec latency 31669.194 ms 1 380 0.00 MB/sec execute 24 sec latency 32673.169 ms 1 380 0.00 MB/sec execute 25 sec latency 33675.981 ms 1 380 0.00 MB/sec execute 26 sec latency 34676.163 ms 1 380 0.00 MB/sec execute 27 sec latency 35676.377 ms oleg645-server: oleg645-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 28 sec latency 36677.457 ms 1 380 0.00 MB/sec execute 29 sec latency 37677.597 ms pdsh@oleg645-client: oleg645-server: ssh exited with exit code 1 1 380 0.00 MB/sec execute 30 sec latency 38677.808 ms Started lustre-MDT0000 00:44:14 (1790743454) targets are mounted 00:44:14 (1790743454) facet_failover done 1 380 0.00 MB/sec execute 31 sec latency 39678.714 ms 1 380 0.00 MB/sec execute 32 sec latency 40682.638 ms 1 381 0.00 MB/sec execute 33 sec latency 41427.217 ms 1 413 0.03 MB/sec execute 34 sec latency 335.356 ms 1 445 0.06 MB/sec execute 35 sec latency 154.920 ms 1 477 0.09 MB/sec execute 36 sec latency 156.908 ms 1 501 0.11 MB/sec execute 37 sec latency 206.577 ms 1 523 0.12 MB/sec execute 38 sec latency 248.979 ms oleg645-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 599 0.19 MB/sec execute 39 sec latency 194.514 ms 1 639 0.19 MB/sec execute 40 sec latency 142.587 ms 1 664 0.18 MB/sec execute 41 sec latency 139.770 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 678 0.18 MB/sec execute 42 sec latency 433.784 ms 1 708 0.18 MB/sec execute 43 sec latency 172.772 ms 1 723 0.18 MB/sec execute 44 sec latency 325.580 ms 1 745 0.17 MB/sec execute 45 sec latency 148.970 ms 1 779 0.17 MB/sec execute 46 sec latency 191.393 ms 1 798 0.17 MB/sec execute 47 sec latency 238.909 ms 1 848 0.17 MB/sec execute 48 sec latency 119.541 ms 1 878 0.17 MB/sec execute 49 sec latency 204.361 ms 1 913 0.16 MB/sec execute 50 sec latency 103.856 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 933 0.16 MB/sec execute 51 sec latency 250.355 ms 1 977 0.16 MB/sec execute 52 sec latency 110.169 ms 1 1029 0.18 MB/sec execute 53 sec latency 291.063 ms 1 1095 0.17 MB/sec execute 54 sec latency 74.668 ms 1 1156 0.17 MB/sec execute 55 sec latency 78.877 ms 1 1214 0.17 MB/sec execute 56 sec latency 76.898 ms 1 1261 0.17 MB/sec execute 57 sec latency 90.213 ms 1 1395 0.21 MB/sec execute 58 sec latency 128.232 ms tar: Error is not recoverable: exiting now 1 1445 0.21 MB/sec execute 59 sec latency 89.221 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Sep 30 00:44:42 EDT 2026 with return code 0 47216 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47216 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished