== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:15:20 (1787886920) Starting client oleg126-client.virtnet: -o user_xattr,flock 192.168.201.126@tcp:/lustre /mnt/lustre Started clients oleg126-client.virtnet: 192.168.201.126@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 45171 Started dbench loop with 45173 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 3729408 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7481344 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 Aug 27 23:15:25 EDT 2026 waiting for dbench pid 45230 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 45 1.75 MB/sec warmup 1 sec latency 92.224 ms 1 111 2.60 MB/sec warmup 2 sec latency 117.208 ms 1 137 2.00 MB/sec warmup 3 sec latency 185.886 ms 1 181 1.82 MB/sec warmup 4 sec latency 160.905 ms test_26 fail mds1 1 times 1 215 1.67 MB/sec warmup 5 sec latency 181.049 ms 1 250 1.56 MB/sec warmup 6 sec latency 155.633 ms 1 279 1.48 MB/sec warmup 7 sec latency 131.667 ms Failing mds1 on oleg126-server Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 315 1.43 MB/sec warmup 8 sec latency 138.085 ms 1 348 1.39 MB/sec warmup 9 sec latency 158.982 ms 1 348 1.25 MB/sec warmup 10 sec latency 1159.939 ms 1 348 1.13 MB/sec warmup 11 sec latency 2160.094 ms 23:15:36 (1787886936) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 348 1.04 MB/sec warmup 12 sec latency 3160.361 ms 1 348 0.96 MB/sec warmup 13 sec latency 4161.387 ms 1 348 0.89 MB/sec warmup 14 sec latency 5161.654 ms 1 348 0.83 MB/sec warmup 15 sec latency 6161.925 ms 1 348 0.78 MB/sec warmup 16 sec latency 7162.257 ms 1 348 0.73 MB/sec warmup 17 sec latency 8162.947 ms 1 348 0.69 MB/sec warmup 18 sec latency 9163.195 ms 1 348 0.66 MB/sec warmup 19 sec latency 10163.469 ms 1 348 0.00 MB/sec execute 1 sec latency 12164.073 ms Failover mds1 to oleg126-server mount facets: mds1 1 348 0.00 MB/sec execute 2 sec latency 13165.908 ms 1 348 0.00 MB/sec execute 3 sec latency 14166.286 ms 1 348 0.00 MB/sec execute 4 sec latency 15166.465 ms 1 348 0.00 MB/sec execute 5 sec latency 16166.636 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 6 sec latency 17180.083 ms 1 348 0.00 MB/sec execute 7 sec latency 18180.248 ms 1 348 0.00 MB/sec execute 8 sec latency 19180.677 ms 1 348 0.00 MB/sec execute 9 sec latency 20182.316 ms 1 348 0.00 MB/sec execute 10 sec latency 21182.569 ms 1 348 0.00 MB/sec execute 11 sec latency 22182.998 ms 1 348 0.00 MB/sec execute 12 sec latency 23183.280 ms 1 348 0.00 MB/sec execute 13 sec latency 24184.877 ms 1 348 0.00 MB/sec execute 14 sec latency 25186.029 ms 1 348 0.00 MB/sec execute 15 sec latency 26187.390 ms 1 348 0.00 MB/sec execute 16 sec latency 27187.606 ms 1 348 0.00 MB/sec execute 17 sec latency 28187.769 ms 1 348 0.00 MB/sec execute 18 sec latency 29187.879 ms 1 348 0.00 MB/sec execute 19 sec latency 30188.116 ms 1 348 0.00 MB/sec execute 20 sec latency 31188.617 ms 1 348 0.00 MB/sec execute 21 sec latency 32190.015 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 22 sec latency 33190.185 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 23 sec latency 34190.759 ms Started lustre-MDT0000 23:16:09 (1787886969) targets are mounted 23:16:09 (1787886969) facet_failover done 1 348 0.00 MB/sec execute 24 sec latency 35191.150 ms 1 348 0.00 MB/sec execute 25 sec latency 36193.298 ms 1 348 0.00 MB/sec execute 26 sec latency 37193.482 ms 1 348 0.00 MB/sec execute 27 sec latency 38193.676 ms 1 348 0.00 MB/sec execute 28 sec latency 39195.244 ms 1 348 0.00 MB/sec execute 29 sec latency 40200.251 ms 1 348 0.00 MB/sec execute 30 sec latency 41200.476 ms 1 381 0.03 MB/sec execute 31 sec latency 41333.699 ms 1 421 0.07 MB/sec execute 32 sec latency 121.565 ms 1 469 0.12 MB/sec execute 33 sec latency 133.550 ms 1 504 0.15 MB/sec execute 34 sec latency 144.817 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 577 0.20 MB/sec execute 35 sec latency 146.771 ms 1 642 0.24 MB/sec execute 36 sec latency 146.238 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 667 0.23 MB/sec execute 37 sec latency 364.731 ms 1 692 0.23 MB/sec execute 38 sec latency 166.802 ms 1 726 0.22 MB/sec execute 39 sec latency 180.362 ms 1 748 0.22 MB/sec execute 40 sec latency 139.554 ms 1 779 0.22 MB/sec execute 41 sec latency 137.944 ms 1 803 0.21 MB/sec execute 42 sec latency 241.094 ms 1 851 0.21 MB/sec execute 43 sec latency 93.943 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 43008 3668992 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7409664 1% /mnt/lustre 1 881 0.21 MB/sec execute 44 sec latency 196.706 ms 1 906 0.20 MB/sec execute 45 sec latency 144.362 ms 1 933 0.20 MB/sec execute 46 sec latency 240.967 ms 1 977 0.20 MB/sec execute 47 sec latency 116.319 ms 1 1037 0.22 MB/sec execute 48 sec latency 216.116 ms 1 1086 0.21 MB/sec execute 49 sec latency 84.705 ms test_26 fail mds1 2 times 1 1135 0.21 MB/sec execute 50 sec latency 99.970 ms 1 1176 0.21 MB/sec execute 51 sec latency 87.162 ms Failing mds1 on oleg126-server Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 1223 0.20 MB/sec execute 52 sec latency 85.472 ms 1 1257 0.20 MB/sec execute 53 sec latency 153.317 ms 1 1259 0.20 MB/sec execute 54 sec latency 993.401 ms 1 1259 0.19 MB/sec execute 55 sec latency 1996.170 ms 23:16:40 (1787887000) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 1259 0.19 MB/sec execute 56 sec latency 2996.639 ms 1 1259 0.19 MB/sec execute 57 sec latency 3997.138 ms 1 1259 0.18 MB/sec execute 58 sec latency 5000.879 ms 1 1259 0.18 MB/sec execute 59 sec latency 6001.811 ms 1 1259 0.18 MB/sec execute 60 sec latency 7002.001 ms 1 1259 0.17 MB/sec execute 61 sec latency 8004.383 ms 1 1259 0.17 MB/sec execute 62 sec latency 9004.604 ms 1 1259 0.17 MB/sec execute 63 sec latency 10005.690 ms 1 1259 0.16 MB/sec execute 64 sec latency 11007.572 ms 1 1259 0.16 MB/sec execute 65 sec latency 12007.975 ms Failover mds1 to oleg126-server mount facets: mds1 1 1259 0.16 MB/sec execute 66 sec latency 13017.377 ms 1 1259 0.16 MB/sec execute 67 sec latency 14017.847 ms 1 1259 0.16 MB/sec execute 68 sec latency 15018.199 ms 1 1259 0.15 MB/sec execute 69 sec latency 16019.024 ms 1 1259 0.15 MB/sec execute 70 sec latency 17023.806 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1259 0.15 MB/sec execute 71 sec latency 18024.187 ms 1 1259 0.15 MB/sec execute 72 sec latency 19024.918 ms 1 1259 0.14 MB/sec execute 73 sec latency 20025.541 ms 1 1259 0.14 MB/sec execute 74 sec latency 21027.582 ms 1 1259 0.14 MB/sec execute 75 sec latency 22027.943 ms 1 1259 0.14 MB/sec execute 76 sec latency 23029.383 ms 1 1259 0.14 MB/sec execute 77 sec latency 24031.928 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 1259 0.14 MB/sec execute 78 sec latency 25032.471 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 1274 0.13 MB/sec execute 79 sec latency 25279.944 ms Started lustre-MDT0000 1 1384 0.17 MB/sec execute 80 sec latency 444.916 ms 23:17:05 (1787887025) targets are mounted 23:17:05 (1787887025) facet_failover done 1 1431 0.17 MB/sec execute 81 sec latency 124.369 ms 1 1481 0.16 MB/sec execute 82 sec latency 170.479 ms 1 1512 0.16 MB/sec execute 83 sec latency 345.208 ms 1 1568 0.16 MB/sec execute 84 sec latency 107.746 ms 1 1625 0.16 MB/sec execute 85 sec latency 68.505 ms 1 1655 0.16 MB/sec execute 86 sec latency 196.993 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1711 0.16 MB/sec execute 87 sec latency 107.662 ms 1 1775 0.16 MB/sec execute 88 sec latency 94.864 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1821 0.15 MB/sec execute 89 sec latency 152.425 ms 1 1879 0.15 MB/sec execute 90 sec latency 102.796 ms 1 1960 0.15 MB/sec execute 91 sec latency 265.015 ms 1 2000 0.15 MB/sec execute 92 sec latency 117.989 ms 1 2024 0.15 MB/sec execute 93 sec latency 123.075 ms 1 2103 0.15 MB/sec execute 94 sec latency 77.135 ms 1 2154 0.15 MB/sec execute 95 sec latency 105.303 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 52224 3709952 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 19456 3721216 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 71680 7431168 1% /mnt/lustre 1 2198 0.15 MB/sec execute 96 sec latency 123.410 ms 1 2280 0.15 MB/sec execute 97 sec latency 82.153 ms 1 2345 0.16 MB/sec execute 98 sec latency 79.102 ms 1 2376 0.16 MB/sec execute 99 sec latency 161.845 ms 1 cleanup 100 sec test_26 fail mds1 3 times 1 cleanup 101 sec Failing mds1 on oleg126-server 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 355 56.666 290.017 Close 309 145.732 41333.677 Rename 13 84.570 153.286 Unlink 33 27.213 57.352 Qpathinfo 317 15.065 92.816 Qfileinfo 95 1.795 37.979 Qfsinfo 39 5.032 24.799 Sfileinfo 43 649.748 25279.928 Find 107 5.906 73.303 WriteX 345 11.550 52.557 ReadX 381 2.413 81.508 Flush 33 152.077 364.712 Throughput 0.155638 MB/sec 1 clients 1 procs max_latency=41333.699 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server stopping dbench on /mnt/lustre at Thu Aug 27 23:17:28 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 23:17:31 (1787887051) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server Failover mds1 to oleg126-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 Started lustre-MDT0000 23:17:58 (1787887078) targets are mounted 23:17:58 (1787887078) facet_failover done 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 Aug 27 23:18:15 EDT 2026 waiting for dbench pid 47825 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 oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 34 1.05 MB/sec warmup 1 sec latency 98.959 ms 1 91 2.09 MB/sec warmup 2 sec latency 162.103 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 137 2.00 MB/sec warmup 3 sec latency 179.007 ms 1 173 1.76 MB/sec warmup 4 sec latency 159.892 ms 1 212 1.64 MB/sec warmup 5 sec latency 126.955 ms 1 262 1.65 MB/sec warmup 6 sec latency 168.761 ms 1 323 1.68 MB/sec warmup 7 sec latency 77.950 ms 1 373 1.66 MB/sec warmup 8 sec latency 122.581 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 41984 3695616 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 17408 3744768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7440384 1% /mnt/lustre 1 414 1.62 MB/sec warmup 9 sec latency 113.109 ms 1 460 1.61 MB/sec warmup 10 sec latency 120.449 ms 1 501 1.58 MB/sec warmup 11 sec latency 144.210 ms 1 571 1.59 MB/sec warmup 12 sec latency 162.096 ms 1 664 1.62 MB/sec warmup 13 sec latency 57.691 ms 1 708 1.51 MB/sec warmup 14 sec latency 150.068 ms test_26 fail mds1 4 times 1 730 1.42 MB/sec warmup 15 sec latency 256.232 ms Failing mds1 on oleg126-server 1 765 1.33 MB/sec warmup 16 sec latency 127.290 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 791 1.26 MB/sec warmup 17 sec latency 242.743 ms 1 808 1.19 MB/sec warmup 18 sec latency 145.123 ms 1 808 1.13 MB/sec warmup 19 sec latency 1145.405 ms 23:18:35 (1787887115) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 808 0.00 MB/sec execute 1 sec latency 3145.968 ms 1 808 0.00 MB/sec execute 2 sec latency 4146.315 ms 1 808 0.00 MB/sec execute 3 sec latency 5146.577 ms 1 808 0.00 MB/sec execute 4 sec latency 6147.039 ms 1 808 0.00 MB/sec execute 5 sec latency 7147.290 ms 1 808 0.00 MB/sec execute 6 sec latency 8147.832 ms 1 808 0.00 MB/sec execute 7 sec latency 9148.272 ms 1 808 0.00 MB/sec execute 8 sec latency 10151.222 ms 1 808 0.00 MB/sec execute 9 sec latency 11151.767 ms 1 808 0.00 MB/sec execute 10 sec latency 12152.172 ms Failover mds1 to oleg126-server mount facets: mds1 1 808 0.00 MB/sec execute 11 sec latency 13153.480 ms 1 808 0.00 MB/sec execute 12 sec latency 14153.677 ms 1 808 0.00 MB/sec execute 13 sec latency 15153.965 ms 1 808 0.00 MB/sec execute 14 sec latency 16159.212 ms 1 808 0.00 MB/sec execute 15 sec latency 17160.816 ms 1 808 0.00 MB/sec execute 16 sec latency 18161.033 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 808 0.00 MB/sec execute 17 sec latency 19163.354 ms 1 808 0.00 MB/sec execute 18 sec latency 20163.623 ms 1 808 0.00 MB/sec execute 19 sec latency 21168.168 ms 1 808 0.00 MB/sec execute 20 sec latency 22168.448 ms 1 808 0.00 MB/sec execute 21 sec latency 23169.177 ms 1 808 0.00 MB/sec execute 22 sec latency 24169.410 ms 1 808 0.00 MB/sec execute 23 sec latency 25171.131 ms 1 808 0.00 MB/sec execute 24 sec latency 26173.150 ms 1 808 0.00 MB/sec execute 25 sec latency 27174.351 ms 1 808 0.00 MB/sec execute 26 sec latency 28174.766 ms 1 808 0.00 MB/sec execute 27 sec latency 29177.209 ms 1 808 0.00 MB/sec execute 28 sec latency 30178.669 ms 1 808 0.00 MB/sec execute 29 sec latency 31179.141 ms 1 808 0.00 MB/sec execute 30 sec latency 32179.542 ms 1 808 0.00 MB/sec execute 31 sec latency 33179.848 ms 1 808 0.00 MB/sec execute 32 sec latency 34180.367 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 808 0.00 MB/sec execute 33 sec latency 35181.390 ms 1 808 0.00 MB/sec execute 34 sec latency 36183.474 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 808 0.00 MB/sec execute 35 sec latency 37183.785 ms Started lustre-MDT0000 23:19:11 (1787887151) targets are mounted 23:19:11 (1787887151) facet_failover done 1 808 0.00 MB/sec execute 36 sec latency 38187.577 ms 1 808 0.00 MB/sec execute 37 sec latency 39187.741 ms 1 808 0.00 MB/sec execute 38 sec latency 40188.333 ms 1 808 0.00 MB/sec execute 39 sec latency 41188.815 ms 1 808 0.00 MB/sec execute 40 sec latency 42189.368 ms 1 808 0.00 MB/sec execute 41 sec latency 43191.439 ms 1 810 0.00 MB/sec execute 42 sec latency 44074.981 ms 1 851 0.00 MB/sec execute 43 sec latency 390.604 ms 1 882 0.00 MB/sec execute 44 sec latency 220.863 ms 1 909 0.01 MB/sec execute 45 sec latency 147.470 ms 1 923 0.01 MB/sec execute 46 sec latency 352.550 ms 1 959 0.01 MB/sec execute 47 sec latency 160.276 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 980 0.01 MB/sec execute 48 sec latency 252.593 ms 1 993 0.01 MB/sec execute 49 sec latency 437.646 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1011 0.02 MB/sec execute 50 sec latency 247.332 ms 1 1051 0.03 MB/sec execute 51 sec latency 235.423 ms 1 1084 0.03 MB/sec execute 52 sec latency 106.709 ms 1 1134 0.03 MB/sec execute 53 sec latency 76.670 ms 1 1173 0.03 MB/sec execute 54 sec latency 126.792 ms 1 1221 0.03 MB/sec execute 55 sec latency 116.795 ms 1 1259 0.03 MB/sec execute 56 sec latency 119.331 ms 1 1399 0.08 MB/sec execute 57 sec latency 75.408 ms 1 1446 0.08 MB/sec execute 58 sec latency 106.513 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1509 0.08 MB/sec execute 59 sec latency 72.160 ms 1 1591 0.08 MB/sec execute 60 sec latency 66.614 ms 1 1634 0.08 MB/sec execute 61 sec latency 314.917 ms 1 1706 0.08 MB/sec execute 62 sec latency 99.561 ms 1 1787 0.08 MB/sec execute 63 sec latency 85.502 ms 1 1843 0.08 MB/sec execute 64 sec latency 92.063 ms 1 1931 0.08 MB/sec execute 65 sec latency 137.279 ms 1 1986 0.08 MB/sec execute 66 sec latency 99.238 ms 1 2069 0.08 MB/sec execute 67 sec latency 83.967 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 23:19:42 EDT 2026 with return code 0 47825 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47825 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished