== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:32:56 (1781274776) Starting client oleg311-client.virtnet: -o user_xattr,flock 192.168.203.111@tcp:/lustre /mnt/lustre Started clients oleg311-client.virtnet: 192.168.203.111@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44930 Started dbench loop with 44931 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 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 22528 3728384 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7490560 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 Jun 12 10:33:01 EDT 2026 waiting for dbench pid 44990 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 22 0.52 MB/sec warmup 1 sec latency 246.161 ms 1 86 1.97 MB/sec warmup 2 sec latency 110.452 ms 1 121 1.83 MB/sec warmup 3 sec latency 258.519 ms 1 165 1.70 MB/sec warmup 4 sec latency 129.698 ms 1 199 1.57 MB/sec warmup 5 sec latency 179.576 ms test_26 fail mds1 1 times 1 239 1.52 MB/sec warmup 6 sec latency 109.686 ms Failing mds1 on oleg311-server 1 279 1.49 MB/sec warmup 7 sec latency 132.401 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 315 1.43 MB/sec warmup 8 sec latency 144.794 ms 1 331 1.33 MB/sec warmup 9 sec latency 628.649 ms 1 331 1.20 MB/sec warmup 10 sec latency 1631.535 ms 10:33:12 (1781274792) shut down 1 331 1.09 MB/sec warmup 11 sec latency 2631.768 ms facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 331 1.00 MB/sec warmup 12 sec latency 3633.257 ms 1 331 0.92 MB/sec warmup 13 sec latency 4633.470 ms 1 331 0.86 MB/sec warmup 14 sec latency 5633.657 ms 1 331 0.80 MB/sec warmup 15 sec latency 6634.003 ms 1 331 0.75 MB/sec warmup 16 sec latency 7634.213 ms 1 331 0.71 MB/sec warmup 17 sec latency 8634.421 ms 1 331 0.67 MB/sec warmup 18 sec latency 9634.709 ms 1 331 0.63 MB/sec warmup 19 sec latency 10635.140 ms 1 331 0.00 MB/sec execute 1 sec latency 12635.474 ms Failover mds1 to oleg311-server mount facets: mds1 1 331 0.00 MB/sec execute 2 sec latency 13636.360 ms 1 331 0.00 MB/sec execute 3 sec latency 14636.650 ms 1 331 0.00 MB/sec execute 4 sec latency 15637.267 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 331 0.00 MB/sec execute 5 sec latency 16639.139 ms 1 331 0.00 MB/sec execute 6 sec latency 17639.357 ms 1 331 0.00 MB/sec execute 7 sec latency 18639.524 ms 1 331 0.00 MB/sec execute 8 sec latency 19639.700 ms 1 331 0.00 MB/sec execute 9 sec latency 20640.867 ms 1 331 0.00 MB/sec execute 10 sec latency 21641.414 ms 1 331 0.00 MB/sec execute 11 sec latency 22641.592 ms 1 331 0.00 MB/sec execute 12 sec latency 23641.752 ms 1 331 0.00 MB/sec execute 13 sec latency 24642.867 ms 1 331 0.00 MB/sec execute 14 sec latency 25646.410 ms 1 331 0.00 MB/sec execute 15 sec latency 26646.560 ms 1 331 0.00 MB/sec execute 16 sec latency 27646.959 ms 1 331 0.00 MB/sec execute 17 sec latency 28648.098 ms 1 331 0.00 MB/sec execute 18 sec latency 29648.346 ms 1 331 0.00 MB/sec execute 19 sec latency 30651.008 ms 1 331 0.00 MB/sec execute 20 sec latency 31651.241 ms 1 331 0.00 MB/sec execute 21 sec latency 32669.255 ms 1 331 0.00 MB/sec execute 22 sec latency 33669.447 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 331 0.00 MB/sec execute 23 sec latency 34673.015 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 331 0.00 MB/sec execute 24 sec latency 35673.432 ms Started lustre-MDT0000 10:33:46 (1781274826) targets are mounted 10:33:46 (1781274826) facet_failover done 1 331 0.00 MB/sec execute 25 sec latency 36673.600 ms 1 331 0.00 MB/sec execute 26 sec latency 37674.896 ms 1 332 0.00 MB/sec execute 27 sec latency 38656.586 ms 1 357 0.03 MB/sec execute 28 sec latency 189.514 ms 1 404 0.08 MB/sec execute 29 sec latency 118.657 ms 1 438 0.11 MB/sec execute 30 sec latency 125.214 ms 1 477 0.15 MB/sec execute 31 sec latency 150.737 ms oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 511 0.18 MB/sec execute 32 sec latency 135.852 ms 1 585 0.24 MB/sec execute 33 sec latency 158.107 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 648 0.27 MB/sec execute 34 sec latency 95.515 ms 1 669 0.26 MB/sec execute 35 sec latency 310.769 ms 1 708 0.26 MB/sec execute 36 sec latency 155.619 ms 1 728 0.25 MB/sec execute 37 sec latency 237.180 ms 1 762 0.25 MB/sec execute 38 sec latency 136.048 ms 1 791 0.24 MB/sec execute 39 sec latency 203.529 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3658752 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7391232 1% /mnt/lustre 1 810 0.24 MB/sec execute 40 sec latency 130.012 ms 1 863 0.23 MB/sec execute 41 sec latency 132.744 ms 1 885 0.23 MB/sec execute 42 sec latency 254.376 ms 1 905 0.22 MB/sec execute 43 sec latency 206.622 ms 1 928 0.22 MB/sec execute 44 sec latency 237.457 ms 1 969 0.22 MB/sec execute 45 sec latency 108.776 ms test_26 fail mds1 2 times 1 986 0.21 MB/sec execute 46 sec latency 246.175 ms 1 1041 0.23 MB/sec execute 47 sec latency 98.032 ms Failing mds1 on oleg311-server 1 1080 0.23 MB/sec execute 48 sec latency 125.863 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 1122 0.22 MB/sec execute 49 sec latency 107.121 ms 1 1147 0.22 MB/sec execute 50 sec latency 344.946 ms 1 1147 0.22 MB/sec execute 51 sec latency 1349.697 ms 1 1147 0.21 MB/sec execute 52 sec latency 2350.104 ms 10:34:13 (1781274853) shut down facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 1147 0.21 MB/sec execute 53 sec latency 3351.791 ms 1 1147 0.20 MB/sec execute 54 sec latency 4352.425 ms 1 1147 0.20 MB/sec execute 55 sec latency 5352.703 ms 1 1147 0.20 MB/sec execute 56 sec latency 6353.753 ms 1 1147 0.19 MB/sec execute 57 sec latency 7354.178 ms 1 1147 0.19 MB/sec execute 58 sec latency 8355.809 ms 1 1147 0.19 MB/sec execute 59 sec latency 9358.316 ms 1 1147 0.18 MB/sec execute 60 sec latency 10361.980 ms 1 1147 0.18 MB/sec execute 61 sec latency 11362.158 ms 1 1147 0.18 MB/sec execute 62 sec latency 12365.575 ms Failover mds1 to oleg311-server mount facets: mds1 1 1147 0.17 MB/sec execute 63 sec latency 13366.763 ms 1 1147 0.17 MB/sec execute 64 sec latency 14366.959 ms 1 1147 0.17 MB/sec execute 65 sec latency 15367.204 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1147 0.17 MB/sec execute 66 sec latency 16367.383 ms 1 1147 0.16 MB/sec execute 67 sec latency 17369.101 ms 1 1147 0.16 MB/sec execute 68 sec latency 18369.355 ms 1 1147 0.16 MB/sec execute 69 sec latency 19369.795 ms 1 1147 0.16 MB/sec execute 70 sec latency 20369.923 ms 1 1147 0.15 MB/sec execute 71 sec latency 21370.802 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 1147 0.15 MB/sec execute 72 sec latency 22371.704 ms 1 1147 0.15 MB/sec execute 73 sec latency 23372.160 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 1202 0.15 MB/sec execute 74 sec latency 23498.997 ms Started lustre-MDT0000 10:34:35 (1781274875) targets are mounted 10:34:35 (1781274875) facet_failover done 1 1259 0.15 MB/sec execute 75 sec latency 84.151 ms 1 1430 0.18 MB/sec execute 76 sec latency 58.818 ms 1 1481 0.18 MB/sec execute 77 sec latency 343.889 ms 1 1512 0.18 MB/sec execute 78 sec latency 373.289 ms 1 1554 0.18 MB/sec execute 79 sec latency 121.581 ms 1 1593 0.18 MB/sec execute 80 sec latency 133.714 ms 1 1632 0.17 MB/sec execute 81 sec latency 165.898 ms 1 1656 0.17 MB/sec execute 82 sec latency 203.557 ms oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1691 0.17 MB/sec execute 83 sec latency 147.121 ms 1 1736 0.17 MB/sec execute 84 sec latency 99.167 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1791 0.17 MB/sec execute 85 sec latency 96.495 ms 1 1843 0.17 MB/sec execute 86 sec latency 96.715 ms 1 1888 0.16 MB/sec execute 87 sec latency 100.254 ms 1 1976 0.16 MB/sec execute 88 sec latency 137.752 ms 1 2020 0.16 MB/sec execute 89 sec latency 80.082 ms 1 2095 0.16 MB/sec execute 90 sec latency 119.269 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 23552 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 50176 3693568 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7426048 1% /mnt/lustre 1 2152 0.16 MB/sec execute 91 sec latency 100.782 ms 1 2187 0.16 MB/sec execute 92 sec latency 115.427 ms 1 2246 0.16 MB/sec execute 93 sec latency 120.791 ms 1 2328 0.17 MB/sec execute 94 sec latency 73.219 ms 1 2367 0.17 MB/sec execute 95 sec latency 160.620 ms test_26 fail mds1 3 times 1 2401 0.17 MB/sec execute 96 sec latency 170.713 ms 1 2428 0.17 MB/sec execute 97 sec latency 238.266 ms Failing mds1 on oleg311-server 1 2455 0.16 MB/sec execute 98 sec latency 114.860 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 2489 0.17 MB/sec execute 99 sec latency 242.019 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 10:35:03 (1781274903) shut down facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec Failover mds1 to oleg311-server mount facets: mds1 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 cleanup 123 sec pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 cleanup 124 sec Started lustre-MDT0000 10:35:25 (1781274925) targets are mounted 10:35:25 (1781274925) facet_failover done 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 1 cleanup 128 sec 1 cleanup 129 sec 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec 1 cleanup 133 sec 1 cleanup 134 sec 1 cleanup 135 sec 1 cleanup 136 sec 1 cleanup 137 sec 1 cleanup 138 sec 1 cleanup 139 sec 1 cleanup 140 sec 1 cleanup 141 sec 1 cleanup 142 sec 0 cleanup 143 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 373 268.039 39392.607 Close 321 12.655 35.361 Rename 15 1655.304 23498.964 Unlink 37 29.593 64.563 Qpathinfo 337 16.993 121.560 Qfileinfo 101 2.677 16.938 Qfsinfo 43 4.633 37.800 Sfileinfo 48 57.810 133.215 Find 115 5.648 48.176 WriteX 373 13.191 150.724 ReadX 427 1.997 91.166 Flush 34 155.031 373.269 Throughput 0.168515 MB/sec 1 clients 1 procs max_latency=38656.586 ms stopping dbench on /mnt/lustre at Fri Jun 12 10:35:44 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg311-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 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 Fri Jun 12 10:35:50 EDT 2026 waiting for dbench pid 47902 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 32 1.05 MB/sec warmup 1 sec latency 86.509 ms 1 93 2.10 MB/sec warmup 2 sec latency 117.171 ms 1 137 2.00 MB/sec warmup 3 sec latency 190.309 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2944 2205568 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3703808 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 16384 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 55296 7431168 1% /mnt/lustre 1 163 1.68 MB/sec warmup 4 sec latency 181.144 ms 1 197 1.56 MB/sec warmup 5 sec latency 148.705 ms 1 224 1.43 MB/sec warmup 6 sec latency 166.483 ms 1 263 1.41 MB/sec warmup 7 sec latency 110.647 ms 1 310 1.42 MB/sec warmup 8 sec latency 118.835 ms 1 349 1.39 MB/sec warmup 9 sec latency 126.424 ms test_26 fail mds1 4 times 1 393 1.39 MB/sec warmup 10 sec latency 128.146 ms 1 437 1.40 MB/sec warmup 11 sec latency 89.378 ms Failing mds1 on oleg311-server 1 477 1.39 MB/sec warmup 12 sec latency 140.376 ms Stopping /mnt/lustre-mds1 (opts:) on oleg311-server 1 511 1.36 MB/sec warmup 13 sec latency 170.404 ms 1 521 1.29 MB/sec warmup 14 sec latency 761.337 ms 1 521 1.20 MB/sec warmup 15 sec latency 1761.517 ms 10:36:06 (1781274966) shut down facet: mds1 facet_host: oleg311-server facet_failover_host: oleg311-server 1 521 1.13 MB/sec warmup 16 sec latency 2761.656 ms 1 521 1.06 MB/sec warmup 17 sec latency 3763.230 ms 1 521 1.00 MB/sec warmup 18 sec latency 4763.545 ms 1 521 0.95 MB/sec warmup 19 sec latency 5764.595 ms 1 521 0.00 MB/sec execute 1 sec latency 7765.069 ms 1 521 0.00 MB/sec execute 2 sec latency 8765.308 ms 1 521 0.00 MB/sec execute 3 sec latency 9765.474 ms 1 521 0.00 MB/sec execute 4 sec latency 10766.005 ms 1 521 0.00 MB/sec execute 5 sec latency 11766.659 ms 1 521 0.00 MB/sec execute 6 sec latency 12777.797 ms Failover mds1 to oleg311-server mount facets: mds1 1 521 0.00 MB/sec execute 7 sec latency 13780.037 ms 1 521 0.00 MB/sec execute 8 sec latency 14783.048 ms 1 521 0.00 MB/sec execute 9 sec latency 15783.396 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 521 0.00 MB/sec execute 10 sec latency 16785.515 ms 1 521 0.00 MB/sec execute 11 sec latency 17785.702 ms 1 521 0.00 MB/sec execute 12 sec latency 18785.909 ms 1 521 0.00 MB/sec execute 13 sec latency 19786.712 ms 1 521 0.00 MB/sec execute 14 sec latency 20787.833 ms 1 521 0.00 MB/sec execute 15 sec latency 21790.020 ms oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all 1 521 0.00 MB/sec execute 16 sec latency 22790.189 ms 1 542 0.06 MB/sec execute 17 sec latency 23197.336 ms pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 1 639 0.17 MB/sec execute 18 sec latency 126.613 ms Started lustre-MDT0000 10:36:28 (1781274988) targets are mounted 10:36:28 (1781274988) facet_failover done 1 669 0.16 MB/sec execute 19 sec latency 257.141 ms 1 706 0.16 MB/sec execute 20 sec latency 105.995 ms 1 728 0.15 MB/sec execute 21 sec latency 325.945 ms 1 759 0.15 MB/sec execute 22 sec latency 123.179 ms 1 785 0.15 MB/sec execute 23 sec latency 132.466 ms 1 799 0.14 MB/sec execute 24 sec latency 328.982 ms oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 851 0.14 MB/sec execute 25 sec latency 116.611 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 882 0.14 MB/sec execute 26 sec latency 200.388 ms 1 913 0.14 MB/sec execute 27 sec latency 137.508 ms 1 940 0.13 MB/sec execute 28 sec latency 219.855 ms 1 980 0.13 MB/sec execute 29 sec latency 137.000 ms 1 1041 0.16 MB/sec execute 30 sec latency 193.417 ms 1 1099 0.16 MB/sec execute 31 sec latency 98.247 ms 1 1147 0.15 MB/sec execute 32 sec latency 97.104 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1197 0.15 MB/sec execute 33 sec latency 117.421 ms 1 1242 0.15 MB/sec execute 34 sec latency 98.614 ms 1 1275 0.15 MB/sec execute 35 sec latency 112.630 ms 1 1409 0.22 MB/sec execute 36 sec latency 115.658 ms 1 1465 0.22 MB/sec execute 37 sec latency 83.516 ms 1 1497 0.21 MB/sec execute 38 sec latency 423.207 ms 1 1557 0.21 MB/sec execute 39 sec latency 88.033 ms 1 1606 0.20 MB/sec execute 40 sec latency 63.868 ms 1 1647 0.20 MB/sec execute 41 sec latency 166.460 ms 1 1689 0.19 MB/sec execute 42 sec latency 120.638 ms 1 1758 0.19 MB/sec execute 43 sec latency 132.455 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jun 12 10:36:53 EDT 2026 with return code 0 47902 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47902 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished