== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:17:48 (1773670668) 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,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44752 Started dbench loop with 44753 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 Mon Mar 16 10:17:51 EDT 2026 waiting for dbench pid 44785 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 19456 3724288 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3748864 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 22528 7473152 1% /mnt/lustre 1 91 4.19 MB/sec warmup 1 sec latency 69.049 ms 1 155 3.27 MB/sec warmup 2 sec latency 96.230 ms 1 218 2.78 MB/sec warmup 3 sec latency 80.965 ms 1 297 2.74 MB/sec warmup 4 sec latency 61.919 ms test_26 fail mds1 1 times 1 372 2.66 MB/sec warmup 5 sec latency 76.407 ms Failing mds1 on oleg126-server 1 445 2.61 MB/sec warmup 6 sec latency 76.360 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 493 2.46 MB/sec warmup 7 sec latency 385.559 ms 1 493 2.15 MB/sec warmup 8 sec latency 1385.753 ms 10:17:59 (1773670679) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 493 1.91 MB/sec warmup 9 sec latency 2385.988 ms 1 493 1.72 MB/sec warmup 10 sec latency 3386.752 ms 1 493 1.56 MB/sec warmup 11 sec latency 4387.020 ms 1 493 1.43 MB/sec warmup 12 sec latency 5387.282 ms 1 493 1.32 MB/sec warmup 13 sec latency 6387.507 ms 1 493 1.23 MB/sec warmup 14 sec latency 7387.987 ms 1 493 1.15 MB/sec warmup 15 sec latency 8388.185 ms 1 493 1.07 MB/sec warmup 16 sec latency 9388.568 ms 1 493 1.01 MB/sec warmup 17 sec latency 10388.820 ms 1 493 0.96 MB/sec warmup 18 sec latency 11389.082 ms Failover mds1 to oleg126-server mount facets: mds1 1 493 0.91 MB/sec warmup 19 sec latency 12389.317 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 493 0.00 MB/sec execute 1 sec latency 14389.873 ms 1 493 0.00 MB/sec execute 2 sec latency 15391.012 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 493 0.00 MB/sec execute 3 sec latency 16391.434 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 578 0.59 MB/sec execute 4 sec latency 16592.617 ms Started lustre-MDT0000 10:18:15 (1773670695) targets are mounted 10:18:15 (1773670695) facet_failover done 1 685 0.79 MB/sec execute 5 sec latency 91.491 ms 1 747 0.69 MB/sec execute 6 sec latency 99.216 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 808 0.61 MB/sec execute 7 sec latency 94.272 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 888 0.56 MB/sec execute 8 sec latency 65.589 ms 1 959 0.51 MB/sec execute 9 sec latency 61.495 ms 1 1084 0.57 MB/sec execute 10 sec latency 55.592 ms 1 1215 0.53 MB/sec execute 11 sec latency 37.653 ms 1 1399 0.73 MB/sec execute 12 sec latency 42.898 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3712 2204800 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3625984 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 22528 3684352 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7310336 1% /mnt/lustre 1 1497 0.68 MB/sec execute 13 sec latency 144.209 ms 1 1574 0.64 MB/sec execute 14 sec latency 56.004 ms 1 1647 0.60 MB/sec execute 15 sec latency 81.483 ms test_26 fail mds1 2 times 1 1717 0.56 MB/sec execute 16 sec latency 75.336 ms Failing mds1 on oleg126-server 1 1804 0.54 MB/sec execute 17 sec latency 68.269 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 1888 0.51 MB/sec execute 18 sec latency 146.805 ms 1 1888 0.48 MB/sec execute 19 sec latency 1147.337 ms 10:18:30 (1773670710) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 1888 0.46 MB/sec execute 20 sec latency 2147.728 ms 1 1888 0.44 MB/sec execute 21 sec latency 3147.973 ms 1 1888 0.42 MB/sec execute 22 sec latency 4148.240 ms 1 1888 0.40 MB/sec execute 23 sec latency 5148.397 ms 1 1888 0.38 MB/sec execute 24 sec latency 6148.560 ms 1 1888 0.37 MB/sec execute 25 sec latency 7149.014 ms 1 1888 0.35 MB/sec execute 26 sec latency 8149.167 ms 1 1888 0.34 MB/sec execute 27 sec latency 9149.854 ms 1 1888 0.33 MB/sec execute 28 sec latency 10150.300 ms 1 1888 0.32 MB/sec execute 29 sec latency 11150.421 ms Failover mds1 to oleg126-server mount facets: mds1 1 1888 0.31 MB/sec execute 30 sec latency 12151.076 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1888 0.30 MB/sec execute 31 sec latency 13151.299 ms 1 1888 0.29 MB/sec execute 32 sec latency 14151.803 ms 1 1888 0.28 MB/sec execute 33 sec latency 15152.242 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 1888 0.27 MB/sec execute 34 sec latency 16152.474 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 Started lustre-MDT0000 10:18:46 (1773670726) targets are mounted 10:18:46 (1773670726) facet_failover done 1 1888 0.26 MB/sec execute 35 sec latency 17152.652 ms 1 1888 0.25 MB/sec execute 36 sec latency 18153.164 ms 1 1888 0.25 MB/sec execute 37 sec latency 19153.341 ms 1 1984 0.24 MB/sec execute 38 sec latency 19361.311 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2060 0.24 MB/sec execute 39 sec latency 79.472 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2156 0.24 MB/sec execute 40 sec latency 53.651 ms 1 2291 0.26 MB/sec execute 41 sec latency 46.545 ms 1 2379 0.26 MB/sec execute 42 sec latency 165.383 ms 1 2455 0.25 MB/sec execute 43 sec latency 88.734 ms 1 2566 0.27 MB/sec execute 44 sec latency 224.649 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 4352 2204160 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3616768 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3616768 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 74752 7233536 2% /mnt/lustre 1 2596 0.26 MB/sec execute 45 sec latency 859.382 ms 1 2880 0.33 MB/sec execute 46 sec latency 62.528 ms 1 3000 0.35 MB/sec execute 47 sec latency 72.869 ms test_26 fail mds1 3 times 1 3246 0.37 MB/sec execute 48 sec latency 70.283 ms Failing mds1 on oleg126-server 1 3373 0.37 MB/sec execute 49 sec latency 49.869 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 3540 0.42 MB/sec execute 50 sec latency 169.902 ms 1 3540 0.41 MB/sec execute 51 sec latency 1170.090 ms 10:19:03 (1773670743) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 3540 0.41 MB/sec execute 52 sec latency 2170.529 ms 1 3540 0.40 MB/sec execute 53 sec latency 3170.767 ms 1 3540 0.39 MB/sec execute 54 sec latency 4171.208 ms 1 3540 0.38 MB/sec execute 55 sec latency 5171.874 ms 1 3540 0.38 MB/sec execute 56 sec latency 6173.039 ms 1 3540 0.37 MB/sec execute 57 sec latency 7173.287 ms 1 3540 0.36 MB/sec execute 58 sec latency 8173.622 ms 1 3540 0.36 MB/sec execute 59 sec latency 9173.761 ms 1 3540 0.35 MB/sec execute 60 sec latency 10175.600 ms 1 3540 0.35 MB/sec execute 61 sec latency 11176.424 ms Failover mds1 to oleg126-server mount facets: mds1 1 3540 0.34 MB/sec execute 62 sec latency 12177.127 ms 1 3540 0.34 MB/sec execute 63 sec latency 13177.313 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 3540 0.33 MB/sec execute 64 sec latency 14178.247 ms 1 3540 0.33 MB/sec execute 65 sec latency 15178.611 ms 1 3540 0.32 MB/sec execute 66 sec latency 16179.253 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 3540 0.32 MB/sec execute 67 sec latency 17179.689 ms Started lustre-MDT0000 10:19:18 (1773670758) targets are mounted 10:19:18 (1773670758) facet_failover done 1 3540 0.31 MB/sec execute 68 sec latency 18181.640 ms 1 3540 0.31 MB/sec execute 69 sec latency 19181.809 ms 1 3624 0.31 MB/sec execute 70 sec latency 19311.538 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 3696 0.30 MB/sec execute 71 sec latency 48.057 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3785 0.31 MB/sec execute 72 sec latency 87.476 ms 1 3864 0.31 MB/sec execute 73 sec latency 62.850 ms 1 3942 0.31 MB/sec execute 74 sec latency 54.801 ms 1 4006 0.30 MB/sec execute 75 sec latency 209.357 ms 1 4094 0.30 MB/sec execute 76 sec latency 49.069 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5120 2203392 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 40960 3606528 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3633152 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 78848 7239680 2% /mnt/lustre 1 4151 0.30 MB/sec execute 77 sec latency 76.817 ms 1 4227 0.29 MB/sec execute 78 sec latency 101.434 ms 1 4281 0.29 MB/sec execute 79 sec latency 114.510 ms 1 4340 0.29 MB/sec execute 80 sec latency 146.857 ms test_26 fail mds1 4 times 1 4415 0.29 MB/sec execute 81 sec latency 78.849 ms Failing mds1 on oleg126-server 1 4472 0.29 MB/sec execute 82 sec latency 108.475 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 4503 0.29 MB/sec execute 83 sec latency 426.123 ms 1 4503 0.28 MB/sec execute 84 sec latency 1426.321 ms 10:19:35 (1773670775) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 4503 0.28 MB/sec execute 85 sec latency 2426.455 ms 1 4503 0.28 MB/sec execute 86 sec latency 3426.639 ms 1 4503 0.27 MB/sec execute 87 sec latency 4426.823 ms 1 4503 0.27 MB/sec execute 88 sec latency 5427.077 ms 1 4503 0.27 MB/sec execute 89 sec latency 6427.998 ms 1 4503 0.26 MB/sec execute 90 sec latency 7428.450 ms 1 4503 0.26 MB/sec execute 91 sec latency 8428.680 ms 1 4503 0.26 MB/sec execute 92 sec latency 9429.287 ms 1 4503 0.25 MB/sec execute 93 sec latency 10430.743 ms 1 4503 0.25 MB/sec execute 94 sec latency 11430.893 ms Failover mds1 to oleg126-server mount facets: mds1 1 4503 0.25 MB/sec execute 95 sec latency 12431.063 ms 1 4503 0.25 MB/sec execute 96 sec latency 13431.376 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 4503 0.24 MB/sec execute 97 sec latency 14431.680 ms 1 4503 0.24 MB/sec execute 98 sec latency 15431.850 ms 1 4503 0.24 MB/sec execute 99 sec latency 16432.334 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0000 10:19:52 (1773670792) targets are mounted 10:19:52 (1773670792) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 676 51.535 16592.605 Close 505 5.406 24.377 Rename 29 42.265 77.466 Unlink 132 161.547 19311.514 Qpathinfo 604 44.521 21475.263 Qfileinfo 123 1.656 6.870 Qfsinfo 118 1.164 10.314 Sfileinfo 65 28.315 101.411 Find 236 4.423 48.094 WriteX 421 6.173 41.152 ReadX 1033 0.892 56.041 LockX 2 3.952 3.961 UnlockX 2 5.354 5.727 Flush 65 351.144 19361.279 Throughput 0.239137 MB/sec 1 clients 1 procs max_latency=19361.311 ms stopping dbench on /mnt/lustre at Mon Mar 16 10:19:57 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Mon Mar 16 10:19:59 EDT 2026 waiting for dbench pid 48693 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 1 119 5.44 MB/sec warmup 1 sec latency 60.791 ms 1 190 3.79 MB/sec warmup 2 sec latency 119.907 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 6016 2202496 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 43008 3662848 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 63488 3599360 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 106496 7262208 2% /mnt/lustre 1 289 3.57 MB/sec warmup 3 sec latency 68.047 ms 1 381 3.39 MB/sec warmup 4 sec latency 58.625 ms 1 493 3.44 MB/sec warmup 5 sec latency 47.074 ms test_26 fail mds1 5 times 1 639 3.51 MB/sec warmup 6 sec latency 61.276 ms Failing mds1 on oleg126-server 1 710 3.03 MB/sec warmup 7 sec latency 155.175 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 737 2.66 MB/sec warmup 8 sec latency 343.296 ms 1 737 2.37 MB/sec warmup 9 sec latency 1343.454 ms 10:20:09 (1773670809) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 737 2.13 MB/sec warmup 10 sec latency 2343.625 ms 1 737 1.94 MB/sec warmup 11 sec latency 3347.031 ms 1 737 1.78 MB/sec warmup 12 sec latency 4347.245 ms 1 737 1.64 MB/sec warmup 13 sec latency 5347.637 ms 1 737 1.52 MB/sec warmup 14 sec latency 6348.080 ms 1 737 1.42 MB/sec warmup 15 sec latency 7348.525 ms 1 737 1.33 MB/sec warmup 16 sec latency 8348.761 ms 1 737 1.25 MB/sec warmup 17 sec latency 9349.308 ms 1 737 1.18 MB/sec warmup 18 sec latency 10349.634 ms 1 737 1.12 MB/sec warmup 19 sec latency 11349.806 ms Failover mds1 to oleg126-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 737 0.00 MB/sec execute 1 sec latency 13350.768 ms 1 737 0.00 MB/sec execute 2 sec latency 14352.762 ms 1 737 0.00 MB/sec execute 3 sec latency 15352.983 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 737 0.00 MB/sec execute 4 sec latency 16353.170 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 Started lustre-MDT0000 10:20:24 (1773670824) targets are mounted 10:20:24 (1773670824) facet_failover done 1 737 0.00 MB/sec execute 5 sec latency 17353.408 ms 1 737 0.00 MB/sec execute 6 sec latency 18355.757 ms 1 737 0.00 MB/sec execute 7 sec latency 19356.181 ms 1 737 0.00 MB/sec execute 8 sec latency 20356.553 ms 1 789 0.02 MB/sec execute 9 sec latency 20526.493 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 856 0.03 MB/sec execute 10 sec latency 180.141 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 903 0.03 MB/sec execute 11 sec latency 153.001 ms 1 948 0.04 MB/sec execute 12 sec latency 163.534 ms 1 993 0.05 MB/sec execute 13 sec latency 156.703 ms 1 1074 0.11 MB/sec execute 14 sec latency 129.788 ms 1 1155 0.11 MB/sec execute 15 sec latency 76.049 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 6656 2201856 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 19456 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 63488 3700736 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 82944 7441408 2% /mnt/lustre 1 1231 0.11 MB/sec execute 16 sec latency 46.337 ms 1 1391 0.28 MB/sec execute 17 sec latency 63.394 ms 1 1477 0.26 MB/sec execute 18 sec latency 54.038 ms 1 1560 0.25 MB/sec execute 19 sec latency 133.694 ms test_26 fail mds1 6 times 1 1632 0.24 MB/sec execute 20 sec latency 60.954 ms Failing mds1 on oleg126-server 1 1689 0.23 MB/sec execute 21 sec latency 127.780 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 1770 0.23 MB/sec execute 22 sec latency 241.808 ms 1 1770 0.22 MB/sec execute 23 sec latency 1241.989 ms 10:20:43 (1773670843) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 1770 0.21 MB/sec execute 24 sec latency 2245.433 ms 1 1770 0.20 MB/sec execute 25 sec latency 3245.951 ms 1 1770 0.19 MB/sec execute 26 sec latency 4246.280 ms 1 1770 0.18 MB/sec execute 27 sec latency 5246.677 ms 1 1770 0.18 MB/sec execute 28 sec latency 6246.897 ms 1 1770 0.17 MB/sec execute 29 sec latency 7247.102 ms 1 1770 0.17 MB/sec execute 30 sec latency 8247.385 ms 1 1770 0.16 MB/sec execute 31 sec latency 9249.047 ms 1 1770 0.16 MB/sec execute 32 sec latency 10250.268 ms 1 1770 0.15 MB/sec execute 33 sec latency 11250.684 ms Failover mds1 to oleg126-server mount facets: mds1 1 1770 0.15 MB/sec execute 34 sec latency 12251.246 ms 1 1770 0.14 MB/sec execute 35 sec latency 13251.429 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1770 0.14 MB/sec execute 36 sec latency 14251.702 ms 1 1770 0.13 MB/sec execute 37 sec latency 15252.560 ms 1 1770 0.13 MB/sec execute 38 sec latency 16254.283 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 1770 0.13 MB/sec execute 39 sec latency 17254.481 ms Started lustre-MDT0000 10:20:59 (1773670859) targets are mounted 10:20:59 (1773670859) facet_failover done 1 1770 0.12 MB/sec execute 40 sec latency 18255.460 ms 1 1770 0.12 MB/sec execute 41 sec latency 19255.866 ms 1 1781 0.12 MB/sec execute 42 sec latency 20028.058 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1868 0.12 MB/sec execute 43 sec latency 65.676 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1973 0.12 MB/sec execute 44 sec latency 124.788 ms 1 2046 0.12 MB/sec execute 45 sec latency 66.734 ms 1 2158 0.12 MB/sec execute 46 sec latency 46.957 ms 1 2292 0.14 MB/sec execute 47 sec latency 41.834 ms 1 2381 0.14 MB/sec execute 48 sec latency 165.662 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5760 2202752 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3731456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 62464 3686400 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 80896 7417856 2% /mnt/lustre 1 2454 0.14 MB/sec execute 49 sec latency 97.473 ms 1 2566 0.15 MB/sec execute 50 sec latency 172.179 ms 1 2583 0.15 MB/sec execute 51 sec latency 966.092 ms 1 2874 0.21 MB/sec execute 52 sec latency 118.381 ms test_26 fail mds1 7 times 1 2982 0.23 MB/sec execute 53 sec latency 95.592 ms Failing mds1 on oleg126-server Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 3190 0.24 MB/sec execute 54 sec latency 100.231 ms 1 3209 0.24 MB/sec execute 55 sec latency 760.992 ms 10:21:15 (1773670875) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 3209 0.23 MB/sec execute 56 sec latency 1761.167 ms 1 3209 0.23 MB/sec execute 57 sec latency 2761.322 ms 1 3209 0.22 MB/sec execute 58 sec latency 3761.504 ms 1 3209 0.22 MB/sec execute 59 sec latency 4761.649 ms 1 3209 0.22 MB/sec execute 60 sec latency 5761.937 ms 1 3209 0.21 MB/sec execute 61 sec latency 6762.156 ms 1 3209 0.21 MB/sec execute 62 sec latency 7762.339 ms 1 3209 0.21 MB/sec execute 63 sec latency 8762.800 ms 1 3209 0.20 MB/sec execute 64 sec latency 9762.956 ms 1 3209 0.20 MB/sec execute 65 sec latency 10763.094 ms Failover mds1 to oleg126-server mount facets: mds1 1 3209 0.20 MB/sec execute 66 sec latency 11763.325 ms 1 3209 0.19 MB/sec execute 67 sec latency 12763.625 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 3209 0.19 MB/sec execute 68 sec latency 13763.807 ms 1 3209 0.19 MB/sec execute 69 sec latency 14764.001 ms 1 3209 0.19 MB/sec execute 70 sec latency 15764.175 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 3209 0.18 MB/sec execute 71 sec latency 16764.370 ms Started lustre-MDT0000 10:21:31 (1773670891) targets are mounted 10:21:31 (1773670891) facet_failover done 1 3209 0.18 MB/sec execute 72 sec latency 17764.747 ms 1 3359 0.19 MB/sec execute 73 sec latency 17864.102 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 3562 0.23 MB/sec execute 74 sec latency 34.785 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3691 0.23 MB/sec execute 75 sec latency 40.587 ms 1 3801 0.24 MB/sec execute 76 sec latency 47.887 ms 1 3897 0.24 MB/sec execute 77 sec latency 38.183 ms 1 3948 0.24 MB/sec execute 78 sec latency 160.052 ms 1 4044 0.24 MB/sec execute 79 sec latency 52.559 ms 1 4147 0.23 MB/sec execute 80 sec latency 40.984 ms 1 4241 0.23 MB/sec execute 81 sec latency 284.761 ms 1 4311 0.23 MB/sec execute 82 sec latency 68.428 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Mar 16 10:21:42 EDT 2026 with return code 0 48693 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48693 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished