== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:42:08 (1772437328) Starting client oleg337-client.virtnet: -o user_xattr,flock 192.168.203.137@tcp:/lustre /mnt/lustre Started clients oleg337-client.virtnet: 192.168.203.137@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 44853 Started dbench loop with 44854 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 2 02:42:10 EST 2026 waiting for dbench pid 44884 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 27648 3723264 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3753984 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 30720 7477248 1% /mnt/lustre 1 111 5.24 MB/sec warmup 1 sec latency 51.438 ms 1 181 3.65 MB/sec warmup 2 sec latency 72.232 ms 1 255 3.21 MB/sec warmup 3 sec latency 70.216 ms 1 339 3.06 MB/sec warmup 4 sec latency 60.159 ms test_26 fail mds1 1 times 1 430 3.02 MB/sec warmup 5 sec latency 56.683 ms Failing mds1 on oleg337-server Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 511 2.95 MB/sec warmup 6 sec latency 62.213 ms 1 541 2.73 MB/sec warmup 7 sec latency 733.711 ms 02:42:18 (1772437338) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 541 2.39 MB/sec warmup 8 sec latency 1733.938 ms 1 541 2.12 MB/sec warmup 9 sec latency 2734.250 ms 1 541 1.91 MB/sec warmup 10 sec latency 3735.826 ms 1 541 1.74 MB/sec warmup 11 sec latency 4736.075 ms 1 541 1.59 MB/sec warmup 12 sec latency 5736.510 ms 1 541 1.47 MB/sec warmup 13 sec latency 6740.077 ms 1 541 1.36 MB/sec warmup 14 sec latency 7741.660 ms 1 541 1.27 MB/sec warmup 15 sec latency 8741.842 ms 1 541 1.19 MB/sec warmup 16 sec latency 9742.003 ms 1 541 1.12 MB/sec warmup 17 sec latency 10742.225 ms Failover mds1 to oleg337-server mount facets: mds1 1 541 1.06 MB/sec warmup 18 sec latency 11742.500 ms 1 541 1.00 MB/sec warmup 19 sec latency 12742.709 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 541 0.00 MB/sec execute 1 sec latency 14743.302 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 2 sec latency 15743.539 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 02:42:33 (1772437353) targets are mounted 02:42:33 (1772437353) facet_failover done 1 541 0.00 MB/sec execute 3 sec latency 16743.711 ms 1 541 0.00 MB/sec execute 4 sec latency 17743.876 ms 1 542 0.00 MB/sec execute 5 sec latency 18680.554 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 689 0.35 MB/sec execute 6 sec latency 106.931 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 746 0.32 MB/sec execute 7 sec latency 132.880 ms 1 804 0.30 MB/sec execute 8 sec latency 110.414 ms 1 900 0.29 MB/sec execute 9 sec latency 56.163 ms 1 981 0.28 MB/sec execute 10 sec latency 82.599 ms 1 1102 0.35 MB/sec execute 11 sec latency 50.078 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3712 2204800 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 46080 3643392 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3672064 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7315456 1% /mnt/lustre 1 1202 0.33 MB/sec execute 12 sec latency 73.571 ms 1 1353 0.47 MB/sec execute 13 sec latency 67.201 ms 1 1474 0.50 MB/sec execute 14 sec latency 53.268 ms test_26 fail mds1 2 times 1 1566 0.47 MB/sec execute 15 sec latency 102.532 ms Failing mds1 on oleg337-server 1 1624 0.44 MB/sec execute 16 sec latency 84.176 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 1668 0.42 MB/sec execute 17 sec latency 361.546 ms 02:42:48 (1772437368) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 1668 0.40 MB/sec execute 18 sec latency 1361.717 ms 1 1668 0.37 MB/sec execute 19 sec latency 2362.041 ms 1 1668 0.36 MB/sec execute 20 sec latency 3362.497 ms 1 1668 0.34 MB/sec execute 21 sec latency 4362.803 ms 1 1668 0.32 MB/sec execute 22 sec latency 5363.003 ms 1 1668 0.31 MB/sec execute 23 sec latency 6363.204 ms 1 1668 0.30 MB/sec execute 24 sec latency 7363.468 ms 1 1668 0.28 MB/sec execute 25 sec latency 8364.845 ms 1 1668 0.27 MB/sec execute 26 sec latency 9365.409 ms 1 1668 0.26 MB/sec execute 27 sec latency 10365.674 ms Failover mds1 to oleg337-server 1 1668 0.25 MB/sec execute 28 sec latency 11366.826 ms mount facets: mds1 1 1668 0.25 MB/sec execute 29 sec latency 12367.264 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1668 0.24 MB/sec execute 30 sec latency 13367.488 ms 1 1668 0.23 MB/sec execute 31 sec latency 14368.410 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 1668 0.22 MB/sec execute 32 sec latency 15369.125 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 02:43:03 (1772437383) targets are mounted 02:43:03 (1772437383) facet_failover done 1 1668 0.22 MB/sec execute 33 sec latency 16369.318 ms 1 1668 0.21 MB/sec execute 34 sec latency 17369.481 ms 1 1668 0.20 MB/sec execute 35 sec latency 18369.969 ms 1 1668 0.20 MB/sec execute 36 sec latency 19370.598 ms 1 1680 0.19 MB/sec execute 37 sec latency 20228.084 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1772 0.19 MB/sec execute 38 sec latency 73.972 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1855 0.19 MB/sec execute 39 sec latency 63.014 ms 1 1934 0.18 MB/sec execute 40 sec latency 149.031 ms 1 2014 0.18 MB/sec execute 41 sec latency 63.957 ms 1 2129 0.18 MB/sec execute 42 sec latency 53.987 ms 1 2212 0.18 MB/sec execute 43 sec latency 61.435 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 4352 2204160 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 50176 3616768 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 24576 3647488 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 74752 7264256 2% /mnt/lustre 1 2356 0.20 MB/sec execute 44 sec latency 146.090 ms 1 2416 0.20 MB/sec execute 45 sec latency 93.750 ms 1 2479 0.21 MB/sec execute 46 sec latency 132.685 ms 1 2566 0.21 MB/sec execute 47 sec latency 591.526 ms test_26 fail mds1 3 times 1 2733 0.27 MB/sec execute 48 sec latency 698.906 ms Failing mds1 on oleg337-server 1 2917 0.29 MB/sec execute 49 sec latency 113.536 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 2982 0.29 MB/sec execute 50 sec latency 408.060 ms 1 2982 0.28 MB/sec execute 51 sec latency 1408.518 ms 02:43:22 (1772437402) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 2982 0.28 MB/sec execute 52 sec latency 2408.709 ms 1 2982 0.27 MB/sec execute 53 sec latency 3408.955 ms 1 2982 0.27 MB/sec execute 54 sec latency 4409.124 ms 1 2982 0.26 MB/sec execute 55 sec latency 5409.319 ms 1 2982 0.26 MB/sec execute 56 sec latency 6409.509 ms 1 2982 0.25 MB/sec execute 57 sec latency 7409.613 ms 1 2982 0.25 MB/sec execute 58 sec latency 8409.754 ms 1 2982 0.24 MB/sec execute 59 sec latency 9409.973 ms 1 2982 0.24 MB/sec execute 60 sec latency 10410.175 ms 1 2982 0.24 MB/sec execute 61 sec latency 11410.399 ms Failover mds1 to oleg337-server mount facets: mds1 1 2982 0.23 MB/sec execute 62 sec latency 12410.672 ms 1 2982 0.23 MB/sec execute 63 sec latency 13411.054 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2982 0.23 MB/sec execute 64 sec latency 14411.435 ms 1 2982 0.22 MB/sec execute 65 sec latency 15412.126 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 2982 0.22 MB/sec execute 66 sec latency 16412.358 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 02:43:37 (1772437417) targets are mounted 02:43:38 (1772437418) facet_failover done 1 2982 0.22 MB/sec execute 67 sec latency 17412.625 ms 1 2982 0.21 MB/sec execute 68 sec latency 18412.766 ms 1 2982 0.21 MB/sec execute 69 sec latency 19413.154 ms 1 2982 0.21 MB/sec execute 70 sec latency 20413.667 ms 1 2982 0.20 MB/sec execute 71 sec latency 21413.876 ms 1 3012 0.20 MB/sec execute 72 sec latency 21795.427 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 3214 0.21 MB/sec execute 73 sec latency 108.026 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3359 0.22 MB/sec execute 74 sec latency 60.396 ms 1 3534 0.26 MB/sec execute 75 sec latency 57.315 ms 1 3638 0.26 MB/sec execute 76 sec latency 50.229 ms 1 3729 0.26 MB/sec execute 77 sec latency 42.353 ms 1 3845 0.26 MB/sec execute 78 sec latency 41.990 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5120 2203392 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 52224 3673088 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3714048 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 78848 7387136 2% /mnt/lustre 1 3928 0.27 MB/sec execute 79 sec latency 85.924 ms 1 4010 0.26 MB/sec execute 80 sec latency 54.477 ms 1 4105 0.26 MB/sec execute 81 sec latency 48.886 ms 1 4208 0.26 MB/sec execute 82 sec latency 62.712 ms test_26 fail mds1 4 times 1 4260 0.26 MB/sec execute 83 sec latency 218.121 ms Failing mds1 on oleg337-server 1 4306 0.25 MB/sec execute 84 sec latency 117.076 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 4344 0.25 MB/sec execute 85 sec latency 412.193 ms 02:43:57 (1772437437) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 4344 0.25 MB/sec execute 86 sec latency 1412.352 ms 1 4344 0.25 MB/sec execute 87 sec latency 2412.633 ms 1 4344 0.24 MB/sec execute 88 sec latency 3412.880 ms 1 4344 0.24 MB/sec execute 89 sec latency 4413.088 ms 1 4344 0.24 MB/sec execute 90 sec latency 5413.518 ms 1 4344 0.23 MB/sec execute 91 sec latency 6414.662 ms 1 4344 0.23 MB/sec execute 92 sec latency 7414.874 ms 1 4344 0.23 MB/sec execute 93 sec latency 8415.087 ms 1 4344 0.23 MB/sec execute 94 sec latency 9415.287 ms 1 4344 0.22 MB/sec execute 95 sec latency 10416.868 ms 1 4344 0.22 MB/sec execute 96 sec latency 11417.039 ms Failover mds1 to oleg337-server mount facets: mds1 1 4344 0.22 MB/sec execute 97 sec latency 12417.224 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 4344 0.22 MB/sec execute 98 sec latency 13417.395 ms 1 4344 0.22 MB/sec execute 99 sec latency 14417.944 ms 1 cleanup 100 sec oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 02:44:12 (1772437452) targets are mounted 02:44:12 (1772437452) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 641 26.243 98.367 Close 476 87.287 20228.070 Rename 27 48.040 95.002 Unlink 128 181.363 21419.715 Qpathinfo 592 8.218 120.321 Qfileinfo 115 1.392 10.560 Qfsinfo 115 1.045 9.978 Sfileinfo 57 29.501 63.618 Find 225 3.386 31.437 WriteX 367 5.218 28.988 ReadX 1002 1.212 69.849 LockX 2 16.051 18.248 UnlockX 2 9.565 12.618 Flush 55 461.742 21795.413 Throughput 0.21587 MB/sec 1 clients 1 procs max_latency=21795.427 ms stopping dbench on /mnt/lustre at Mon Mar 2 02:44:18 EST 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 2 02:44:21 EST 2026 waiting for dbench pid 48793 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 1 110 5.24 MB/sec warmup 1 sec latency 58.492 ms 1 181 3.66 MB/sec warmup 2 sec latency 84.063 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5760 2202752 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 78848 3646464 3% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3723264 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 107520 7369728 2% /mnt/lustre 1 247 3.13 MB/sec warmup 3 sec latency 84.906 ms 1 313 2.87 MB/sec warmup 4 sec latency 104.586 ms 1 389 2.76 MB/sec warmup 5 sec latency 69.790 ms 1 478 2.78 MB/sec warmup 6 sec latency 64.135 ms test_26 fail mds1 5 times 1 603 2.99 MB/sec warmup 7 sec latency 65.130 ms Failing mds1 on oleg337-server Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 697 2.65 MB/sec warmup 8 sec latency 115.149 ms 1 710 2.35 MB/sec warmup 9 sec latency 860.155 ms 02:44:31 (1772437471) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 710 2.12 MB/sec warmup 10 sec latency 1860.502 ms 1 710 1.93 MB/sec warmup 11 sec latency 2860.832 ms 1 710 1.77 MB/sec warmup 12 sec latency 3861.138 ms 1 710 1.63 MB/sec warmup 13 sec latency 4861.429 ms 1 710 1.51 MB/sec warmup 14 sec latency 5861.843 ms 1 710 1.41 MB/sec warmup 15 sec latency 6862.040 ms 1 710 1.32 MB/sec warmup 16 sec latency 7862.309 ms 1 710 1.25 MB/sec warmup 17 sec latency 8862.894 ms 1 710 1.18 MB/sec warmup 18 sec latency 9863.093 ms 1 710 1.12 MB/sec warmup 19 sec latency 10863.300 ms Failover mds1 to oleg337-server mount facets: mds1 1 710 0.00 MB/sec execute 1 sec latency 12863.653 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 710 0.00 MB/sec execute 2 sec latency 13863.883 ms 1 710 0.00 MB/sec execute 3 sec latency 14864.686 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 710 0.00 MB/sec execute 4 sec latency 15864.881 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 1 710 0.00 MB/sec execute 5 sec latency 16865.794 ms 02:44:47 (1772437487) targets are mounted 02:44:47 (1772437487) facet_failover done 1 759 0.02 MB/sec execute 6 sec latency 17101.803 ms 1 845 0.05 MB/sec execute 7 sec latency 111.819 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 913 0.07 MB/sec execute 8 sec latency 84.638 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 980 0.08 MB/sec execute 9 sec latency 119.834 ms 1 1063 0.17 MB/sec execute 10 sec latency 137.480 ms 1 1164 0.16 MB/sec execute 11 sec latency 46.378 ms 1 1251 0.16 MB/sec execute 12 sec latency 53.638 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 6656 2201856 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 48128 3620864 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 21504 3642368 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 69632 7263232 1% /mnt/lustre 1 1426 0.37 MB/sec execute 13 sec latency 53.928 ms 1 1509 0.35 MB/sec execute 14 sec latency 163.468 ms 1 1597 0.33 MB/sec execute 15 sec latency 52.096 ms 1 1692 0.31 MB/sec execute 16 sec latency 82.431 ms test_26 fail mds1 6 times 1 1808 0.30 MB/sec execute 17 sec latency 110.138 ms Failing mds1 on oleg337-server Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 1888 0.29 MB/sec execute 18 sec latency 146.496 ms 1 1941 0.28 MB/sec execute 19 sec latency 652.620 ms 02:45:01 (1772437501) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 1941 0.26 MB/sec execute 20 sec latency 1652.821 ms 1 1941 0.25 MB/sec execute 21 sec latency 2652.990 ms 1 1941 0.24 MB/sec execute 22 sec latency 3653.251 ms 1 1941 0.23 MB/sec execute 23 sec latency 4653.469 ms 1 1941 0.22 MB/sec execute 24 sec latency 5653.654 ms 1 1941 0.21 MB/sec execute 25 sec latency 6653.846 ms 1 1941 0.20 MB/sec execute 26 sec latency 7654.084 ms 1 1941 0.19 MB/sec execute 27 sec latency 8654.319 ms 1 1941 0.19 MB/sec execute 28 sec latency 9654.593 ms 1 1941 0.18 MB/sec execute 29 sec latency 10654.802 ms Failover mds1 to oleg337-server 1 1941 0.17 MB/sec execute 30 sec latency 11656.925 ms mount facets: mds1 1 1941 0.17 MB/sec execute 31 sec latency 12657.152 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1941 0.16 MB/sec execute 32 sec latency 13657.436 ms 1 1941 0.16 MB/sec execute 33 sec latency 14658.302 ms 1 1941 0.15 MB/sec execute 34 sec latency 15658.588 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 1941 0.15 MB/sec execute 35 sec latency 16658.807 ms Started lustre-MDT0000 02:45:17 (1772437517) targets are mounted 02:45:17 (1772437517) facet_failover done 1 1941 0.15 MB/sec execute 36 sec latency 17659.161 ms 1 1941 0.14 MB/sec execute 37 sec latency 18659.877 ms 1 1941 0.14 MB/sec execute 38 sec latency 19660.064 ms 1 1941 0.13 MB/sec execute 39 sec latency 20660.187 ms 1 1941 0.13 MB/sec execute 40 sec latency 21660.355 ms 1 1962 0.13 MB/sec execute 41 sec latency 22446.525 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2032 0.13 MB/sec execute 42 sec latency 58.800 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2154 0.13 MB/sec execute 43 sec latency 50.731 ms 1 2327 0.15 MB/sec execute 44 sec latency 40.084 ms 1 2388 0.15 MB/sec execute 45 sec latency 141.594 ms 1 2453 0.15 MB/sec execute 46 sec latency 88.106 ms 1 2566 0.16 MB/sec execute 47 sec latency 195.765 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 6016 2202496 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 54272 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3716096 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 80896 7418880 2% /mnt/lustre 1 2604 0.16 MB/sec execute 48 sec latency 579.140 ms 1 2880 0.22 MB/sec execute 49 sec latency 154.331 ms 1 2983 0.25 MB/sec execute 50 sec latency 134.637 ms 1 3235 0.26 MB/sec execute 51 sec latency 84.214 ms test_26 fail mds1 7 times Failing mds1 on oleg337-server 1 3410 0.28 MB/sec execute 52 sec latency 40.587 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 3567 0.32 MB/sec execute 53 sec latency 399.976 ms 02:45:35 (1772437535) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 3567 0.32 MB/sec execute 54 sec latency 1400.208 ms 1 3567 0.31 MB/sec execute 55 sec latency 2400.427 ms 1 3567 0.31 MB/sec execute 56 sec latency 3400.721 ms 1 3567 0.30 MB/sec execute 57 sec latency 4400.987 ms 1 3567 0.30 MB/sec execute 58 sec latency 5402.555 ms 1 3567 0.29 MB/sec execute 59 sec latency 6402.759 ms 1 3567 0.29 MB/sec execute 60 sec latency 7403.748 ms 1 3567 0.28 MB/sec execute 61 sec latency 8404.002 ms 1 3567 0.28 MB/sec execute 62 sec latency 9404.251 ms 1 3567 0.27 MB/sec execute 63 sec latency 10406.941 ms 1 3567 0.27 MB/sec execute 64 sec latency 11407.085 ms Failover mds1 to oleg337-server mount facets: mds1 1 3567 0.26 MB/sec execute 65 sec latency 12407.196 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 3567 0.26 MB/sec execute 66 sec latency 13407.528 ms 1 3567 0.26 MB/sec execute 67 sec latency 14407.744 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 3567 0.25 MB/sec execute 68 sec latency 15408.010 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 Started lustre-MDT0000 02:45:50 (1772437550) targets are mounted 02:45:50 (1772437550) facet_failover done 1 3567 0.25 MB/sec execute 69 sec latency 16408.250 ms 1 3567 0.25 MB/sec execute 70 sec latency 17408.404 ms 1 3568 0.24 MB/sec execute 71 sec latency 18373.353 ms 1 3685 0.24 MB/sec execute 72 sec latency 48.378 ms oleg337-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 3784 0.25 MB/sec execute 73 sec latency 54.678 ms 1 3884 0.25 MB/sec execute 74 sec latency 42.120 ms 1 3999 0.25 MB/sec execute 75 sec latency 35.417 ms 1 4117 0.25 MB/sec execute 76 sec latency 34.274 ms 1 4188 0.25 MB/sec execute 77 sec latency 93.199 ms 1 4292 0.25 MB/sec execute 78 sec latency 171.820 ms 1 4367 0.25 MB/sec execute 79 sec latency 117.931 ms 1 4458 0.24 MB/sec execute 80 sec latency 101.924 ms 1 4549 0.24 MB/sec execute 81 sec latency 80.283 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Mar 2 02:46:03 EST 2026 with return code 0 48793 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48793 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished