== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:10:48 (1776874248) Starting client oleg237-client.virtnet: -o user_xattr,flock 192.168.202.137@tcp:/lustre /mnt/lustre Started clients oleg237-client.virtnet: 192.168.202.137@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 44377 Started dbench loop with 44378 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 Apr 22 12:10:49 EDT 2026 waiting for dbench pid 44411 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 1 147 6.28 MB/sec warmup 1 sec latency 45.182 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2176 2206336 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3723264 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3723264 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 29696 7446528 1% /mnt/lustre 1 261 4.93 MB/sec warmup 2 sec latency 55.517 ms 1 387 4.59 MB/sec warmup 3 sec latency 42.569 ms 1 523 4.51 MB/sec warmup 4 sec latency 32.928 ms test_26 fail mds1 1 times 1 715 4.24 MB/sec warmup 5 sec latency 69.309 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 789 3.58 MB/sec warmup 6 sec latency 369.865 ms 12:10:56 (1776874256) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 789 3.06 MB/sec warmup 7 sec latency 1370.034 ms 1 789 2.68 MB/sec warmup 8 sec latency 2370.307 ms 1 789 2.38 MB/sec warmup 9 sec latency 3370.527 ms 1 789 2.15 MB/sec warmup 10 sec latency 4370.758 ms 1 789 1.95 MB/sec warmup 11 sec latency 5370.985 ms 1 789 1.79 MB/sec warmup 12 sec latency 6371.168 ms 1 789 1.65 MB/sec warmup 13 sec latency 7371.373 ms 1 789 1.53 MB/sec warmup 14 sec latency 8371.561 ms 1 789 1.43 MB/sec warmup 15 sec latency 9372.876 ms 1 789 1.34 MB/sec warmup 16 sec latency 10373.117 ms Failover mds1 to oleg237-server mount facets: mds1 1 789 1.26 MB/sec warmup 17 sec latency 11373.252 ms 1 789 1.19 MB/sec warmup 18 sec latency 12373.468 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 789 1.13 MB/sec warmup 19 sec latency 13373.701 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 Started lustre-MDT0000 12:11:10 (1776874270) targets are mounted 12:11:10 (1776874270) facet_failover done 1 789 0.00 MB/sec execute 1 sec latency 15374.112 ms 1 789 0.00 MB/sec execute 2 sec latency 16374.281 ms 1 789 0.00 MB/sec execute 3 sec latency 17374.453 ms 1 789 0.00 MB/sec execute 4 sec latency 18374.636 ms 1 789 0.00 MB/sec execute 5 sec latency 19374.755 ms 1 804 0.00 MB/sec execute 6 sec latency 20133.522 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 942 0.05 MB/sec execute 7 sec latency 50.053 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1064 0.18 MB/sec execute 8 sec latency 78.770 ms 1 1233 0.18 MB/sec execute 9 sec latency 25.752 ms 1 1457 0.46 MB/sec execute 10 sec latency 34.755 ms 1 1566 0.42 MB/sec execute 11 sec latency 80.240 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3629056 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 40960 3622912 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7251968 1% /mnt/lustre 1 1643 0.40 MB/sec execute 12 sec latency 75.707 ms 1 1825 0.38 MB/sec execute 13 sec latency 42.547 ms 1 2010 0.36 MB/sec execute 14 sec latency 59.992 ms test_26 fail mds1 2 times 1 2178 0.35 MB/sec execute 15 sec latency 28.586 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 2368 0.40 MB/sec execute 16 sec latency 107.628 ms 1 2376 0.38 MB/sec execute 17 sec latency 954.091 ms 12:11:26 (1776874286) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 2376 0.36 MB/sec execute 18 sec latency 1954.275 ms 1 2376 0.34 MB/sec execute 19 sec latency 2954.449 ms 1 2376 0.33 MB/sec execute 20 sec latency 3954.661 ms 1 2376 0.31 MB/sec execute 21 sec latency 4954.845 ms 1 2376 0.30 MB/sec execute 22 sec latency 5955.072 ms 1 2376 0.28 MB/sec execute 23 sec latency 6955.295 ms 1 2376 0.27 MB/sec execute 24 sec latency 7955.488 ms 1 2376 0.26 MB/sec execute 25 sec latency 8955.706 ms 1 2376 0.25 MB/sec execute 26 sec latency 9955.880 ms 1 2376 0.24 MB/sec execute 27 sec latency 10956.066 ms Failover mds1 to oleg237-server mount facets: mds1 1 2376 0.23 MB/sec execute 28 sec latency 11956.287 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2376 0.22 MB/sec execute 29 sec latency 12956.511 ms 1 2376 0.22 MB/sec execute 30 sec latency 13958.728 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 2376 0.21 MB/sec execute 31 sec latency 14958.935 ms Started lustre-MDT0000 12:11:40 (1776874300) targets are mounted 12:11:40 (1776874300) facet_failover done 1 2376 0.20 MB/sec execute 32 sec latency 15959.142 ms 1 2376 0.20 MB/sec execute 33 sec latency 16959.355 ms 1 2376 0.19 MB/sec execute 34 sec latency 17959.615 ms 1 2376 0.19 MB/sec execute 35 sec latency 18959.750 ms 1 2394 0.18 MB/sec execute 36 sec latency 19728.517 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2566 0.20 MB/sec execute 37 sec latency 134.617 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2609 0.20 MB/sec execute 38 sec latency 724.681 ms 1 2944 0.31 MB/sec execute 39 sec latency 65.221 ms 1 3287 0.35 MB/sec execute 40 sec latency 34.572 ms 1 3551 0.41 MB/sec execute 41 sec latency 38.931 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 30720 3576832 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3562496 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 72704 7139328 2% /mnt/lustre 1 3734 0.42 MB/sec execute 42 sec latency 36.413 ms 1 3868 0.43 MB/sec execute 43 sec latency 43.803 ms 1 4028 0.42 MB/sec execute 44 sec latency 25.081 ms test_26 fail mds1 3 times 1 4221 0.42 MB/sec execute 45 sec latency 22.729 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 4318 0.41 MB/sec execute 46 sec latency 195.743 ms 1 4349 0.40 MB/sec execute 47 sec latency 855.301 ms 12:11:56 (1776874316) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 4349 0.40 MB/sec execute 48 sec latency 1855.544 ms 1 4349 0.39 MB/sec execute 49 sec latency 2855.820 ms 1 4349 0.38 MB/sec execute 50 sec latency 3856.012 ms 1 4349 0.37 MB/sec execute 51 sec latency 4856.189 ms 1 4349 0.37 MB/sec execute 52 sec latency 5856.411 ms 1 4349 0.36 MB/sec execute 53 sec latency 6856.603 ms 1 4349 0.35 MB/sec execute 54 sec latency 7856.806 ms 1 4349 0.35 MB/sec execute 55 sec latency 8856.990 ms 1 4349 0.34 MB/sec execute 56 sec latency 9857.158 ms 1 4349 0.33 MB/sec execute 57 sec latency 10857.399 ms Failover mds1 to oleg237-server mount facets: mds1 1 4349 0.33 MB/sec execute 58 sec latency 11857.568 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 4349 0.32 MB/sec execute 59 sec latency 12857.710 ms 1 4349 0.32 MB/sec execute 60 sec latency 13857.909 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 Started lustre-MDT0000 12:12:10 (1776874330) targets are mounted 12:12:10 (1776874330) facet_failover done 1 4349 0.31 MB/sec execute 61 sec latency 14858.110 ms 1 4349 0.31 MB/sec execute 62 sec latency 15858.237 ms 1 4349 0.30 MB/sec execute 63 sec latency 16858.457 ms 1 4349 0.30 MB/sec execute 64 sec latency 17858.680 ms 1 4349 0.29 MB/sec execute 65 sec latency 18858.916 ms 1 4349 0.29 MB/sec execute 66 sec latency 19859.063 ms 1 4370 0.29 MB/sec execute 67 sec latency 20683.887 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 4503 0.29 MB/sec execute 68 sec latency 70.580 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 4667 0.30 MB/sec execute 69 sec latency 43.543 ms 1 4836 0.30 MB/sec execute 70 sec latency 27.928 ms 1 5037 0.33 MB/sec execute 71 sec latency 235.452 ms 1 5197 0.33 MB/sec execute 72 sec latency 91.592 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 4224 2204288 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3717120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 45056 3671040 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 79872 7388160 2% /mnt/lustre 1 5333 0.33 MB/sec execute 73 sec latency 58.681 ms 1 5467 0.33 MB/sec execute 74 sec latency 47.072 ms 1 5660 0.32 MB/sec execute 75 sec latency 26.667 ms test_26 fail mds1 4 times 1 5891 0.34 MB/sec execute 76 sec latency 25.630 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 5986 0.33 MB/sec execute 77 sec latency 109.889 ms 1 5986 0.33 MB/sec execute 78 sec latency 1016.800 ms 1 5986 0.33 MB/sec execute 79 sec latency 2016.961 ms 1 5986 0.32 MB/sec execute 80 sec latency 3017.116 ms 1 5986 0.32 MB/sec execute 81 sec latency 4017.272 ms 1 5986 0.31 MB/sec execute 82 sec latency 5017.467 ms 1 5986 0.31 MB/sec execute 83 sec latency 6017.652 ms 1 5986 0.31 MB/sec execute 84 sec latency 7017.842 ms 12:12:33 (1776874353) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 5986 0.30 MB/sec execute 85 sec latency 8018.054 ms 1 5986 0.30 MB/sec execute 86 sec latency 9018.277 ms 1 5986 0.30 MB/sec execute 87 sec latency 10018.551 ms 1 5986 0.29 MB/sec execute 88 sec latency 11018.765 ms 1 5986 0.29 MB/sec execute 89 sec latency 12018.937 ms 1 5986 0.29 MB/sec execute 90 sec latency 13019.158 ms 1 5986 0.28 MB/sec execute 91 sec latency 14019.376 ms 1 5986 0.28 MB/sec execute 92 sec latency 15019.554 ms 1 5986 0.28 MB/sec execute 93 sec latency 16019.742 ms 1 5986 0.27 MB/sec execute 94 sec latency 17019.928 ms Failover mds1 to oleg237-server mount facets: mds1 1 5986 0.27 MB/sec execute 95 sec latency 18020.116 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 5986 0.27 MB/sec execute 96 sec latency 19020.344 ms 1 5986 0.27 MB/sec execute 97 sec latency 20020.552 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 5986 0.26 MB/sec execute 98 sec latency 21020.803 ms Started lustre-MDT0000 12:12:47 (1776874367) targets are mounted 12:12:47 (1776874367) facet_failover done 1 5986 0.26 MB/sec execute 99 sec latency 22021.025 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 913 49.299 30630.960 Close 709 2.811 10.063 Rename 37 583.006 20683.866 Unlink 154 9.041 22.707 Qpathinfo 879 4.722 39.557 Qfileinfo 151 1.113 7.055 Qfsinfo 128 0.543 6.420 Sfileinfo 87 17.575 92.264 Find 312 2.205 12.580 WriteX 458 3.577 14.336 ReadX 1302 0.458 78.758 LockX 2 2.667 3.406 UnlockX 2 2.851 3.180 Flush 64 659.147 20133.507 Throughput 0.260184 MB/sec 1 clients 1 procs max_latency=22021.025 ms stopping dbench on /mnt/lustre at Wed Apr 22 12:12:58 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 Wed Apr 22 12:13:00 EDT 2026 waiting for dbench pid 48234 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 1 131 5.76 MB/sec warmup 1 sec latency 57.690 ms 1 263 4.96 MB/sec warmup 2 sec latency 41.728 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 4224 2204288 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 59392 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 49152 3720192 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 108544 7422976 2% /mnt/lustre 1 349 4.17 MB/sec warmup 3 sec latency 164.854 ms 1 493 4.30 MB/sec warmup 4 sec latency 44.237 ms 1 673 4.23 MB/sec warmup 5 sec latency 152.088 ms test_26 fail mds1 5 times 1 801 3.58 MB/sec warmup 6 sec latency 69.537 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 921 3.11 MB/sec warmup 7 sec latency 63.462 ms 1 952 2.73 MB/sec warmup 8 sec latency 857.444 ms 12:13:08 (1776874388) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 952 2.42 MB/sec warmup 9 sec latency 1857.631 ms 1 952 2.18 MB/sec warmup 10 sec latency 2857.777 ms 1 952 1.98 MB/sec warmup 11 sec latency 3857.948 ms 1 952 1.82 MB/sec warmup 12 sec latency 4858.087 ms 1 952 1.68 MB/sec warmup 13 sec latency 5858.266 ms 1 952 1.56 MB/sec warmup 14 sec latency 6858.431 ms 1 952 1.45 MB/sec warmup 15 sec latency 7858.616 ms 1 952 1.36 MB/sec warmup 16 sec latency 8858.770 ms 1 952 1.28 MB/sec warmup 17 sec latency 9858.928 ms 1 952 1.21 MB/sec warmup 18 sec latency 10859.085 ms Failover mds1 to oleg237-server mount facets: mds1 1 952 1.15 MB/sec warmup 19 sec latency 11859.264 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 952 0.00 MB/sec execute 1 sec latency 13859.568 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 Started lustre-MDT0000 12:13:22 (1776874402) targets are mounted 12:13:22 (1776874402) facet_failover done 1 952 0.00 MB/sec execute 2 sec latency 14859.720 ms 1 952 0.00 MB/sec execute 3 sec latency 15859.892 ms 1 952 0.00 MB/sec execute 4 sec latency 16860.098 ms 1 952 0.00 MB/sec execute 5 sec latency 17860.288 ms 1 952 0.00 MB/sec execute 6 sec latency 18860.489 ms 1 952 0.00 MB/sec execute 7 sec latency 19860.643 ms 1 1009 0.07 MB/sec execute 8 sec latency 20149.948 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1177 0.13 MB/sec execute 9 sec latency 73.733 ms 1 1378 0.42 MB/sec execute 10 sec latency 42.693 ms 1 1509 0.39 MB/sec execute 11 sec latency 177.737 ms 1 1670 0.37 MB/sec execute 12 sec latency 73.387 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2944 2205568 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 50176 3714048 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3729408 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 60416 7443456 1% /mnt/lustre 1 1861 0.35 MB/sec execute 13 sec latency 29.099 ms 1 2033 0.34 MB/sec execute 14 sec latency 66.366 ms 1 2264 0.34 MB/sec execute 15 sec latency 23.651 ms 1 2428 0.39 MB/sec execute 16 sec latency 89.516 ms test_26 fail mds1 6 times Failing mds1 on oleg237-server 1 2566 0.42 MB/sec execute 17 sec latency 339.506 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 2567 0.39 MB/sec execute 18 sec latency 689.875 ms 12:13:38 (1776874418) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 2567 0.37 MB/sec execute 19 sec latency 1649.871 ms 1 2567 0.36 MB/sec execute 20 sec latency 2650.021 ms 1 2567 0.34 MB/sec execute 21 sec latency 3650.177 ms 1 2567 0.32 MB/sec execute 22 sec latency 4650.321 ms 1 2567 0.31 MB/sec execute 23 sec latency 5650.503 ms 1 2567 0.30 MB/sec execute 24 sec latency 6650.693 ms 1 2567 0.28 MB/sec execute 25 sec latency 7650.844 ms 1 2567 0.27 MB/sec execute 26 sec latency 8651.003 ms 1 2567 0.26 MB/sec execute 27 sec latency 9651.163 ms 1 2567 0.25 MB/sec execute 28 sec latency 10651.306 ms Failover mds1 to oleg237-server mount facets: mds1 1 2567 0.24 MB/sec execute 29 sec latency 11651.441 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2567 0.24 MB/sec execute 30 sec latency 12651.551 ms 1 2567 0.23 MB/sec execute 31 sec latency 13651.690 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 Started lustre-MDT0000 12:13:52 (1776874432) targets are mounted 12:13:52 (1776874432) facet_failover done 1 2567 0.22 MB/sec execute 32 sec latency 14651.822 ms 1 2567 0.22 MB/sec execute 33 sec latency 15651.933 ms 1 2567 0.21 MB/sec execute 34 sec latency 16652.082 ms 1 2567 0.20 MB/sec execute 35 sec latency 17652.207 ms 1 2567 0.20 MB/sec execute 36 sec latency 18652.362 ms 1 2567 0.19 MB/sec execute 37 sec latency 19652.503 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2871 0.27 MB/sec execute 38 sec latency 19737.395 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3109 0.31 MB/sec execute 39 sec latency 73.676 ms 1 3432 0.37 MB/sec execute 40 sec latency 52.090 ms 1 3695 0.41 MB/sec execute 41 sec latency 22.025 ms 1 3836 0.43 MB/sec execute 42 sec latency 32.981 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3613696 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3748864 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 53248 7362560 1% /mnt/lustre 1 3995 0.42 MB/sec execute 43 sec latency 26.037 ms 1 4153 0.42 MB/sec execute 44 sec latency 46.857 ms 1 4306 0.41 MB/sec execute 45 sec latency 89.755 ms test_26 fail mds1 7 times 1 4458 0.41 MB/sec execute 46 sec latency 41.807 ms Failing mds1 on oleg237-server Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 4559 0.41 MB/sec execute 47 sec latency 49.813 ms 1 4559 0.40 MB/sec execute 48 sec latency 1043.404 ms 12:14:08 (1776874448) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 4559 0.39 MB/sec execute 49 sec latency 2043.589 ms 1 4559 0.38 MB/sec execute 50 sec latency 3043.800 ms 1 4559 0.38 MB/sec execute 51 sec latency 4043.954 ms 1 4559 0.37 MB/sec execute 52 sec latency 5044.078 ms 1 4559 0.36 MB/sec execute 53 sec latency 6044.192 ms 1 4559 0.36 MB/sec execute 54 sec latency 7044.405 ms 1 4559 0.35 MB/sec execute 55 sec latency 8044.596 ms 1 4559 0.34 MB/sec execute 56 sec latency 9044.795 ms 1 4559 0.34 MB/sec execute 57 sec latency 10045.488 ms 1 4559 0.33 MB/sec execute 58 sec latency 11045.716 ms Failover mds1 to oleg237-server mount facets: mds1 1 4559 0.33 MB/sec execute 59 sec latency 12045.900 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 4559 0.32 MB/sec execute 60 sec latency 13046.445 ms 1 4559 0.32 MB/sec execute 61 sec latency 14047.887 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 4559 0.31 MB/sec execute 62 sec latency 15049.497 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 Started lustre-MDT0000 12:14:22 (1776874462) targets are mounted 12:14:22 (1776874462) facet_failover done 1 4559 0.31 MB/sec execute 63 sec latency 16049.724 ms 1 4559 0.30 MB/sec execute 64 sec latency 17049.924 ms 1 4559 0.30 MB/sec execute 65 sec latency 18050.131 ms 1 4559 0.29 MB/sec execute 66 sec latency 19050.395 ms 1 4559 0.29 MB/sec execute 67 sec latency 20050.592 ms 1 4609 0.30 MB/sec execute 68 sec latency 20828.658 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 4768 0.30 MB/sec execute 69 sec latency 38.772 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 4896 0.31 MB/sec execute 70 sec latency 243.208 ms 1 5066 0.33 MB/sec execute 71 sec latency 272.427 ms 1 5218 0.33 MB/sec execute 72 sec latency 52.600 ms 1 5356 0.32 MB/sec execute 73 sec latency 37.582 ms 1 5543 0.32 MB/sec execute 74 sec latency 96.342 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Apr 22 12:14:35 EDT 2026 with return code 0 1 5712 0.32 MB/sec execute 75 sec latency 38.156 ms 48234 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48234 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished