== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:42:59 (1790948579) Starting client oleg619-client.virtnet: -o user_xattr,flock 192.168.206.119@tcp:/lustre /mnt/lustre Started clients oleg619-client.virtnet: 192.168.206.119@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 45169 Started dbench loop with 45170 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 15360 7492608 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 Fri Oct 2 09:43:05 EDT 2026 waiting for dbench pid 45238 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 25 0.72 MB/sec warmup 1 sec latency 173.518 ms 1 91 2.10 MB/sec warmup 2 sec latency 114.295 ms 1 137 2.01 MB/sec warmup 3 sec latency 169.354 ms 1 169 1.72 MB/sec warmup 4 sec latency 150.668 ms test_26 fail mds1 1 times 1 203 1.58 MB/sec warmup 5 sec latency 148.455 ms 1 239 1.52 MB/sec warmup 6 sec latency 163.952 ms 1 271 1.45 MB/sec warmup 7 sec latency 125.951 ms Failing mds1 on oleg619-server 1 297 1.37 MB/sec warmup 8 sec latency 165.441 ms Stopping /mnt/lustre-mds1 (opts:) on oleg619-server 1 316 1.27 MB/sec warmup 9 sec latency 222.870 ms 1 339 1.22 MB/sec warmup 10 sec latency 487.650 ms 1 339 1.11 MB/sec warmup 11 sec latency 1488.072 ms 1 339 1.02 MB/sec warmup 12 sec latency 2488.276 ms 09:43:17 (1790948597) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server 1 339 0.94 MB/sec warmup 13 sec latency 3488.584 ms 1 339 0.87 MB/sec warmup 14 sec latency 4488.780 ms 1 339 0.82 MB/sec warmup 15 sec latency 5489.016 ms 1 339 0.77 MB/sec warmup 16 sec latency 6489.195 ms 1 339 0.72 MB/sec warmup 17 sec latency 7490.058 ms 1 339 0.68 MB/sec warmup 18 sec latency 8490.295 ms 1 339 0.64 MB/sec warmup 19 sec latency 9490.560 ms 1 339 0.00 MB/sec execute 1 sec latency 11490.899 ms 1 339 0.00 MB/sec execute 2 sec latency 12493.147 ms Failover mds1 to oleg619-server mount facets: mds1 1 339 0.00 MB/sec execute 3 sec latency 13493.294 ms 1 339 0.00 MB/sec execute 4 sec latency 14493.670 ms 1 339 0.00 MB/sec execute 5 sec latency 15493.910 ms 1 339 0.00 MB/sec execute 6 sec latency 16494.276 ms 1 339 0.00 MB/sec execute 7 sec latency 17495.866 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 8 sec latency 18496.065 ms 1 339 0.00 MB/sec execute 9 sec latency 19496.394 ms 1 339 0.00 MB/sec execute 10 sec latency 20496.621 ms 1 339 0.00 MB/sec execute 11 sec latency 21496.906 ms 1 339 0.00 MB/sec execute 12 sec latency 22497.630 ms 1 339 0.00 MB/sec execute 13 sec latency 23497.922 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 14 sec latency 24498.145 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 15 sec latency 25498.378 ms Started lustre-MDT0000 09:43:40 (1790948620) targets are mounted 09:43:40 (1790948620) facet_failover done 1 339 0.00 MB/sec execute 16 sec latency 26498.727 ms 1 339 0.00 MB/sec execute 17 sec latency 27499.127 ms 1 339 0.00 MB/sec execute 18 sec latency 28501.186 ms 1 339 0.00 MB/sec execute 19 sec latency 29503.130 ms 1 339 0.00 MB/sec execute 20 sec latency 30503.329 ms 1 339 0.00 MB/sec execute 21 sec latency 31504.580 ms 1 339 0.00 MB/sec execute 22 sec latency 32504.738 ms 1 339 0.00 MB/sec execute 23 sec latency 33504.965 ms 1 339 0.00 MB/sec execute 24 sec latency 34505.654 ms 1 339 0.00 MB/sec execute 25 sec latency 35505.839 ms 1 339 0.00 MB/sec execute 26 sec latency 36506.122 ms 1 339 0.00 MB/sec execute 27 sec latency 37506.408 ms 1 339 0.00 MB/sec execute 28 sec latency 38506.592 ms 1 339 0.00 MB/sec execute 29 sec latency 39508.015 ms 1 339 0.00 MB/sec execute 30 sec latency 40508.878 ms 1 339 0.00 MB/sec execute 31 sec latency 41509.519 ms 1 342 0.00 MB/sec execute 32 sec latency 42150.563 ms 1 381 0.04 MB/sec execute 33 sec latency 181.135 ms 1 421 0.08 MB/sec execute 34 sec latency 123.292 ms 1 467 0.12 MB/sec execute 35 sec latency 101.227 ms 1 501 0.14 MB/sec execute 36 sec latency 150.756 ms 1 535 0.17 MB/sec execute 37 sec latency 147.891 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 636 0.23 MB/sec execute 38 sec latency 136.344 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 669 0.23 MB/sec execute 39 sec latency 196.532 ms 1 697 0.22 MB/sec execute 40 sec latency 120.238 ms 1 728 0.22 MB/sec execute 41 sec latency 141.441 ms 1 765 0.22 MB/sec execute 42 sec latency 104.624 ms 1 791 0.21 MB/sec execute 43 sec latency 243.204 ms 1 821 0.21 MB/sec execute 44 sec latency 117.503 ms 1 876 0.21 MB/sec execute 45 sec latency 158.624 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 12288 3725312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3680256 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 54272 7405568 1% /mnt/lustre 1 913 0.21 MB/sec execute 46 sec latency 90.405 ms 1 955 0.20 MB/sec execute 47 sec latency 123.476 ms 1 984 0.20 MB/sec execute 48 sec latency 171.387 ms 1 1051 0.22 MB/sec execute 49 sec latency 82.016 ms 1 1124 0.21 MB/sec execute 50 sec latency 67.263 ms test_26 fail mds1 2 times 1 1172 0.21 MB/sec execute 51 sec latency 87.212 ms 1 1214 0.21 MB/sec execute 52 sec latency 94.121 ms Failing mds1 on oleg619-server 1 1244 0.20 MB/sec execute 53 sec latency 88.877 ms Stopping /mnt/lustre-mds1 (opts:) on oleg619-server 1 1285 0.20 MB/sec execute 54 sec latency 189.340 ms 1 1403 0.25 MB/sec execute 55 sec latency 416.400 ms 1 1403 0.25 MB/sec execute 56 sec latency 1416.915 ms 09:44:22 (1790948662) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server 1 1403 0.24 MB/sec execute 57 sec latency 2422.714 ms 1 1403 0.24 MB/sec execute 58 sec latency 3423.268 ms 1 1403 0.23 MB/sec execute 59 sec latency 4423.478 ms 1 1403 0.23 MB/sec execute 60 sec latency 5424.025 ms 1 1403 0.23 MB/sec execute 61 sec latency 6424.272 ms 1 1403 0.22 MB/sec execute 62 sec latency 7428.005 ms 1 1403 0.22 MB/sec execute 63 sec latency 8428.283 ms 1 1403 0.21 MB/sec execute 64 sec latency 9428.478 ms 1 1403 0.21 MB/sec execute 65 sec latency 10428.714 ms 1 1403 0.21 MB/sec execute 66 sec latency 11429.114 ms 1 1403 0.21 MB/sec execute 67 sec latency 12429.356 ms Failover mds1 to oleg619-server mount facets: mds1 1 1403 0.20 MB/sec execute 68 sec latency 13429.644 ms 1 1403 0.20 MB/sec execute 69 sec latency 14429.861 ms 1 1403 0.20 MB/sec execute 70 sec latency 15430.077 ms 1 1403 0.19 MB/sec execute 71 sec latency 16430.222 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1403 0.19 MB/sec execute 72 sec latency 17431.837 ms 1 1403 0.19 MB/sec execute 73 sec latency 18433.646 ms 1 1403 0.19 MB/sec execute 74 sec latency 19435.341 ms 1 1403 0.18 MB/sec execute 75 sec latency 20436.355 ms 1 1403 0.18 MB/sec execute 76 sec latency 21436.688 ms 1 1403 0.18 MB/sec execute 77 sec latency 22437.387 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 1403 0.18 MB/sec execute 78 sec latency 23438.483 ms 1 1403 0.17 MB/sec execute 79 sec latency 24438.689 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 1 1438 0.17 MB/sec execute 80 sec latency 24556.251 ms Started lustre-MDT0000 09:44:46 (1790948686) targets are mounted 09:44:46 (1790948686) facet_failover done 1 1481 0.17 MB/sec execute 81 sec latency 118.121 ms 1 1504 0.17 MB/sec execute 82 sec latency 290.387 ms 1 1551 0.17 MB/sec execute 83 sec latency 126.101 ms 1 1588 0.17 MB/sec execute 84 sec latency 93.620 ms 1 1632 0.16 MB/sec execute 85 sec latency 116.200 ms 1 1651 0.16 MB/sec execute 86 sec latency 426.008 ms 1 1687 0.16 MB/sec execute 87 sec latency 134.110 ms 1 1740 0.16 MB/sec execute 88 sec latency 102.868 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1789 0.16 MB/sec execute 89 sec latency 114.239 ms 1 1823 0.16 MB/sec execute 90 sec latency 169.171 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1851 0.15 MB/sec execute 91 sec latency 212.673 ms 1 1884 0.15 MB/sec execute 92 sec latency 176.365 ms 1 1909 0.15 MB/sec execute 93 sec latency 379.063 ms 1 1973 0.15 MB/sec execute 94 sec latency 147.928 ms 1 2004 0.15 MB/sec execute 95 sec latency 131.320 ms 1 2024 0.15 MB/sec execute 96 sec latency 165.918 ms 1 2095 0.15 MB/sec execute 97 sec latency 97.771 ms 1 2141 0.15 MB/sec execute 98 sec latency 91.142 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 58368 3692544 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7432192 1% /mnt/lustre 1 2162 0.15 MB/sec execute 99 sec latency 149.357 ms 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 332 266.741 42149.753 Close 277 14.267 76.290 Rename 11 95.785 189.247 Unlink 28 28.807 64.643 Qpathinfo 275 17.518 168.776 Qfileinfo 85 1.892 13.303 Qfsinfo 33 3.158 20.444 Sfileinfo 34 49.295 94.147 Find 91 6.886 45.048 WriteX 318 12.167 96.839 ReadX 346 1.546 65.466 Flush 30 145.333 425.995 Throughput 0.145844 MB/sec 1 clients 1 procs max_latency=42150.563 ms stopping dbench on /mnt/lustre at Fri Oct 2 09:45:09 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished test_26 fail mds1 3 times looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Failing mds1 on oleg619-server Stopping /mnt/lustre-mds1 (opts:) on oleg619-server '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Oct 2 09:45:15 EDT 2026 waiting for dbench pid 47447 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 09:45:18 (1790948718) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server Failover mds1 to oleg619-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 Started lustre-MDT0000 09:45:41 (1790948741) targets are mounted 09:45:41 (1790948741) facet_failover done 0 of 1 processes prepared for launch 0 sec 1 of 1 processes prepared for launch 0 sec releasing clients 1 32 1.05 MB/sec warmup 1 sec latency 135.262 ms 1 96 2.16 MB/sec warmup 2 sec latency 129.885 ms 1 139 2.01 MB/sec warmup 3 sec latency 161.577 ms 1 176 1.76 MB/sec warmup 4 sec latency 138.035 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 206 1.62 MB/sec warmup 5 sec latency 157.200 ms 1 252 1.59 MB/sec warmup 6 sec latency 119.355 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 289 1.53 MB/sec warmup 7 sec latency 105.201 ms 1 323 1.47 MB/sec warmup 8 sec latency 152.707 ms 1 373 1.48 MB/sec warmup 9 sec latency 124.112 ms 1 410 1.45 MB/sec warmup 10 sec latency 139.359 ms 1 453 1.44 MB/sec warmup 11 sec latency 146.225 ms 1 496 1.43 MB/sec warmup 12 sec latency 101.751 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3072 2205440 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3693568 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3703808 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 64512 7397376 1% /mnt/lustre 1 528 1.40 MB/sec warmup 13 sec latency 146.300 ms 1 636 1.50 MB/sec warmup 14 sec latency 133.765 ms 1 664 1.41 MB/sec warmup 15 sec latency 219.518 ms 1 692 1.32 MB/sec warmup 16 sec latency 296.764 ms 1 723 1.25 MB/sec warmup 17 sec latency 150.430 ms 1 767 1.19 MB/sec warmup 18 sec latency 116.732 ms test_26 fail mds1 4 times 1 798 1.13 MB/sec warmup 19 sec latency 209.500 ms Failing mds1 on oleg619-server 1 873 0.09 MB/sec execute 1 sec latency 241.957 ms Stopping /mnt/lustre-mds1 (opts:) on oleg619-server 1 900 0.06 MB/sec execute 2 sec latency 334.274 ms 1 914 0.07 MB/sec execute 3 sec latency 289.746 ms 1 914 0.05 MB/sec execute 4 sec latency 1267.588 ms 1 914 0.04 MB/sec execute 5 sec latency 2268.744 ms 09:46:09 (1790948769) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server 1 914 0.03 MB/sec execute 6 sec latency 3268.927 ms 1 914 0.03 MB/sec execute 7 sec latency 4269.103 ms 1 914 0.02 MB/sec execute 8 sec latency 5272.938 ms 1 914 0.02 MB/sec execute 9 sec latency 6273.180 ms 1 914 0.02 MB/sec execute 10 sec latency 7273.374 ms 1 914 0.02 MB/sec execute 11 sec latency 8273.560 ms 1 914 0.02 MB/sec execute 12 sec latency 9273.749 ms 1 914 0.02 MB/sec execute 13 sec latency 10276.739 ms 1 914 0.01 MB/sec execute 14 sec latency 11279.752 ms 1 914 0.01 MB/sec execute 15 sec latency 12280.700 ms Failover mds1 to oleg619-server mount facets: mds1 1 914 0.01 MB/sec execute 16 sec latency 13280.914 ms 1 914 0.01 MB/sec execute 17 sec latency 14281.114 ms 1 914 0.01 MB/sec execute 18 sec latency 15281.301 ms 1 914 0.01 MB/sec execute 19 sec latency 16282.781 ms 1 914 0.01 MB/sec execute 20 sec latency 17283.069 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 914 0.01 MB/sec execute 21 sec latency 18283.429 ms 1 914 0.01 MB/sec execute 22 sec latency 19283.626 ms 1 914 0.01 MB/sec execute 23 sec latency 20295.161 ms 1 914 0.01 MB/sec execute 24 sec latency 21296.036 ms 1 914 0.01 MB/sec execute 25 sec latency 22296.636 ms 1 914 0.01 MB/sec execute 26 sec latency 23296.868 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 924 0.01 MB/sec execute 27 sec latency 23666.385 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 1 969 0.01 MB/sec execute 28 sec latency 101.431 ms Started lustre-MDT0000 09:46:33 (1790948793) targets are mounted 09:46:33 (1790948793) facet_failover done 1 995 0.01 MB/sec execute 29 sec latency 185.143 ms 1 1063 0.04 MB/sec execute 30 sec latency 120.824 ms 1 1117 0.05 MB/sec execute 31 sec latency 100.840 ms 1 1156 0.05 MB/sec execute 32 sec latency 123.682 ms 1 1198 0.04 MB/sec execute 33 sec latency 108.232 ms 1 1231 0.04 MB/sec execute 34 sec latency 131.845 ms 1 1274 0.04 MB/sec execute 35 sec latency 152.927 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1410 0.12 MB/sec execute 36 sec latency 96.253 ms 1 1470 0.12 MB/sec execute 37 sec latency 99.695 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1509 0.12 MB/sec execute 38 sec latency 214.436 ms 1 1566 0.12 MB/sec execute 39 sec latency 97.197 ms 1 1632 0.11 MB/sec execute 40 sec latency 73.714 ms 1 1680 0.11 MB/sec execute 41 sec latency 198.590 ms 1 1736 0.11 MB/sec execute 42 sec latency 93.374 ms 1 1808 0.11 MB/sec execute 43 sec latency 75.328 ms 1 1854 0.11 MB/sec execute 44 sec latency 117.147 ms 1 1904 0.11 MB/sec execute 45 sec latency 190.564 ms 1 1974 0.11 MB/sec execute 46 sec latency 78.618 ms 1 2018 0.11 MB/sec execute 47 sec latency 78.990 ms 1 2095 0.11 MB/sec execute 48 sec latency 81.939 ms 1 2152 0.10 MB/sec execute 49 sec latency 87.933 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 2187 0.10 MB/sec execute 50 sec latency 126.323 ms 1 2289 0.12 MB/sec execute 51 sec latency 66.781 ms 1 2345 0.12 MB/sec execute 52 sec latency 135.901 ms 1 2376 0.12 MB/sec execute 53 sec latency 313.684 ms 1 2413 0.12 MB/sec execute 54 sec latency 196.908 ms 1 2443 0.12 MB/sec execute 55 sec latency 230.459 ms 1 2478 0.13 MB/sec execute 56 sec latency 274.856 ms 1 2566 0.13 MB/sec execute 57 sec latency 77.627 ms 1 2566 0.13 MB/sec execute 58 sec latency 1005.204 ms 1 2582 0.13 MB/sec execute 59 sec latency 1526.771 ms 1 2717 0.17 MB/sec execute 60 sec latency 75.205 ms 1 2779 0.17 MB/sec execute 61 sec latency 296.860 ms 1 2922 0.19 MB/sec execute 62 sec latency 69.677 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Oct 2 09:47:07 EDT 2026 with return code 0 47447 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47447 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished