== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:13:35 (1789053215) Starting client oleg421-client.virtnet: -o user_xattr,flock 192.168.204.121@tcp:/lustre /mnt/lustre Started clients oleg421-client.virtnet: 192.168.204.121@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 45218 Started dbench loop with 45219 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 10240 3739648 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7504896 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 Sep 10 11:13:43 EDT 2026 waiting for dbench pid 45288 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 31 1.05 MB/sec warmup 1 sec latency 35.213 ms 1 71 1.57 MB/sec warmup 2 sec latency 169.704 ms 1 113 1.75 MB/sec warmup 3 sec latency 178.284 ms 1 157 1.63 MB/sec warmup 4 sec latency 134.467 ms test_26 fail mds1 1 times 1 182 1.46 MB/sec warmup 5 sec latency 176.587 ms 1 208 1.35 MB/sec warmup 6 sec latency 253.953 ms 1 242 1.30 MB/sec warmup 7 sec latency 157.598 ms Failing mds1 on oleg421-server 1 274 1.27 MB/sec warmup 8 sec latency 209.535 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 302 1.23 MB/sec warmup 9 sec latency 141.921 ms 1 313 1.15 MB/sec warmup 10 sec latency 700.972 ms 1 313 1.04 MB/sec warmup 11 sec latency 1701.357 ms 1 313 0.96 MB/sec warmup 12 sec latency 2702.624 ms 11:13:55 (1789053235) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 313 0.88 MB/sec warmup 13 sec latency 3702.877 ms 1 313 0.82 MB/sec warmup 14 sec latency 4705.220 ms 1 313 0.76 MB/sec warmup 15 sec latency 5710.065 ms 1 313 0.72 MB/sec warmup 16 sec latency 6710.891 ms 1 313 0.67 MB/sec warmup 17 sec latency 7711.233 ms 1 313 0.64 MB/sec warmup 18 sec latency 8712.957 ms 1 313 0.60 MB/sec warmup 19 sec latency 9716.981 ms 1 313 0.00 MB/sec execute 1 sec latency 11719.664 ms 1 313 0.00 MB/sec execute 2 sec latency 12719.940 ms Failover mds1 to oleg421-server 1 313 0.00 MB/sec execute 3 sec latency 13720.415 ms mount facets: mds1 1 313 0.00 MB/sec execute 4 sec latency 14721.246 ms 1 313 0.00 MB/sec execute 5 sec latency 15724.308 ms 1 313 0.00 MB/sec execute 6 sec latency 16726.096 ms 1 313 0.00 MB/sec execute 7 sec latency 17727.769 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 313 0.00 MB/sec execute 8 sec latency 18732.136 ms 1 313 0.00 MB/sec execute 9 sec latency 19734.738 ms 1 313 0.00 MB/sec execute 10 sec latency 20736.290 ms 1 313 0.00 MB/sec execute 11 sec latency 21738.978 ms 1 313 0.00 MB/sec execute 12 sec latency 22739.272 ms 1 313 0.00 MB/sec execute 13 sec latency 23740.212 ms 1 313 0.00 MB/sec execute 14 sec latency 24741.743 ms 1 313 0.00 MB/sec execute 15 sec latency 25742.994 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 313 0.00 MB/sec execute 16 sec latency 26743.467 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 313 0.00 MB/sec execute 17 sec latency 27743.755 ms Started lustre-MDT0000 1 313 0.00 MB/sec execute 18 sec latency 28744.146 ms 11:14:21 (1789053261) targets are mounted 11:14:21 (1789053261) facet_failover done 1 313 0.00 MB/sec execute 19 sec latency 29744.476 ms 1 313 0.00 MB/sec execute 20 sec latency 30745.771 ms 1 313 0.00 MB/sec execute 21 sec latency 31746.021 ms 1 313 0.00 MB/sec execute 22 sec latency 32747.428 ms 1 313 0.00 MB/sec execute 23 sec latency 33748.959 ms 1 313 0.00 MB/sec execute 24 sec latency 34749.896 ms 1 313 0.00 MB/sec execute 25 sec latency 35751.613 ms 1 313 0.00 MB/sec execute 26 sec latency 36753.776 ms 1 313 0.00 MB/sec execute 27 sec latency 37754.055 ms 1 313 0.00 MB/sec execute 28 sec latency 38754.753 ms 1 313 0.00 MB/sec execute 29 sec latency 39755.628 ms 1 315 0.00 MB/sec execute 30 sec latency 40702.299 ms 1 340 0.03 MB/sec execute 31 sec latency 166.275 ms 1 371 0.05 MB/sec execute 32 sec latency 158.247 ms 1 397 0.08 MB/sec execute 33 sec latency 191.986 ms 1 421 0.10 MB/sec execute 34 sec latency 205.715 ms 1 449 0.12 MB/sec execute 35 sec latency 157.873 ms 1 485 0.15 MB/sec execute 36 sec latency 117.016 ms 1 513 0.17 MB/sec execute 37 sec latency 148.113 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 600 0.25 MB/sec execute 38 sec latency 93.627 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 639 0.25 MB/sec execute 39 sec latency 188.732 ms 1 673 0.24 MB/sec execute 40 sec latency 247.582 ms 1 695 0.24 MB/sec execute 41 sec latency 142.476 ms 1 721 0.23 MB/sec execute 42 sec latency 168.056 ms 1 736 0.23 MB/sec execute 43 sec latency 406.625 ms 1 774 0.22 MB/sec execute 44 sec latency 137.141 ms 1 798 0.22 MB/sec execute 45 sec latency 196.046 ms 1 821 0.22 MB/sec execute 46 sec latency 131.857 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 40960 3691520 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 8192 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7426048 1% /mnt/lustre 1 860 0.21 MB/sec execute 47 sec latency 184.282 ms 1 878 0.21 MB/sec execute 48 sec latency 190.615 ms 1 905 0.21 MB/sec execute 49 sec latency 129.380 ms 1 921 0.21 MB/sec execute 50 sec latency 254.653 ms 1 955 0.20 MB/sec execute 51 sec latency 108.187 ms 1 983 0.20 MB/sec execute 52 sec latency 251.104 ms 1 1040 0.21 MB/sec execute 53 sec latency 102.176 ms test_26 fail mds1 2 times 1 1077 0.21 MB/sec execute 54 sec latency 111.916 ms 1 1126 0.21 MB/sec execute 55 sec latency 95.568 ms Failing mds1 on oleg421-server 1 1147 0.21 MB/sec execute 56 sec latency 129.545 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 1181 0.20 MB/sec execute 57 sec latency 155.653 ms 1 1214 0.20 MB/sec execute 58 sec latency 149.490 ms 1 1214 0.20 MB/sec execute 59 sec latency 1032.986 ms 1 1214 0.19 MB/sec execute 60 sec latency 2033.810 ms 11:15:04 (1789053304) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 1214 0.19 MB/sec execute 61 sec latency 3034.032 ms 1 1214 0.19 MB/sec execute 62 sec latency 4034.271 ms 1 1214 0.18 MB/sec execute 63 sec latency 5034.446 ms 1 1214 0.18 MB/sec execute 64 sec latency 6034.753 ms 1 1214 0.18 MB/sec execute 65 sec latency 7035.026 ms 1 1214 0.18 MB/sec execute 66 sec latency 8035.308 ms 1 1214 0.17 MB/sec execute 67 sec latency 9038.333 ms 1 1214 0.17 MB/sec execute 68 sec latency 10038.657 ms 1 1214 0.17 MB/sec execute 69 sec latency 11039.490 ms 1 1214 0.17 MB/sec execute 70 sec latency 12040.366 ms 1 1214 0.16 MB/sec execute 71 sec latency 13048.660 ms Failover mds1 to oleg421-server mount facets: mds1 1 1214 0.16 MB/sec execute 72 sec latency 14048.825 ms 1 1214 0.16 MB/sec execute 73 sec latency 15049.084 ms 1 1214 0.16 MB/sec execute 74 sec latency 16049.430 ms 1 1214 0.15 MB/sec execute 75 sec latency 17049.921 ms 1 1214 0.15 MB/sec execute 76 sec latency 18050.610 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1214 0.15 MB/sec execute 77 sec latency 19069.189 ms 1 1214 0.15 MB/sec execute 78 sec latency 20069.482 ms 1 1214 0.15 MB/sec execute 79 sec latency 21069.877 ms 1 1214 0.14 MB/sec execute 80 sec latency 22070.330 ms 1 1214 0.14 MB/sec execute 81 sec latency 23071.303 ms 1 1214 0.14 MB/sec execute 82 sec latency 24071.708 ms 1 1214 0.14 MB/sec execute 83 sec latency 25072.751 ms 1 1214 0.14 MB/sec execute 84 sec latency 26073.389 ms 1 1214 0.14 MB/sec execute 85 sec latency 27073.754 ms 1 1214 0.13 MB/sec execute 86 sec latency 28076.598 ms 1 1214 0.13 MB/sec execute 87 sec latency 29077.792 ms 1 1214 0.13 MB/sec execute 88 sec latency 30078.070 ms 1 1214 0.13 MB/sec execute 89 sec latency 31078.408 ms 1 1214 0.13 MB/sec execute 90 sec latency 32078.865 ms 1 1214 0.13 MB/sec execute 91 sec latency 33079.203 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 1214 0.13 MB/sec execute 92 sec latency 34079.630 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 1214 0.12 MB/sec execute 93 sec latency 35079.891 ms Started lustre-MDT0000 11:15:37 (1789053337) targets are mounted 11:15:37 (1789053337) facet_failover done 1 1214 0.12 MB/sec execute 94 sec latency 36080.968 ms 1 1214 0.12 MB/sec execute 95 sec latency 37081.264 ms 1 1214 0.12 MB/sec execute 96 sec latency 38085.310 ms 1 1214 0.12 MB/sec execute 97 sec latency 39086.858 ms 1 1214 0.12 MB/sec execute 98 sec latency 40087.228 ms 1 1214 0.12 MB/sec execute 99 sec latency 41087.519 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 131 399.312 40702.271 Close 121 16.170 50.511 Rename 9 99.898 168.020 Unlink 14 43.163 86.100 Qpathinfo 81 541.856 41609.944 Qfileinfo 55 2.034 12.233 Qfsinfo 28 5.538 33.763 Sfileinfo 29 77.824 153.567 Find 37 11.138 67.219 WriteX 263 15.942 70.270 ReadX 127 6.089 102.366 Flush 24 137.828 406.601 Throughput 0.116744 MB/sec 1 clients 1 procs max_latency=41087.519 ms stopping dbench on /mnt/lustre at Thu Sep 10 11:15:47 EDT 2026 with return code 0 oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Thu Sep 10 11:15:57 EDT 2026 waiting for dbench pid 47281 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 24 0.66 MB/sec warmup 1 sec latency 25.518 ms 1 71 1.57 MB/sec warmup 2 sec latency 193.440 ms 1 113 1.75 MB/sec warmup 3 sec latency 252.924 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3712000 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3705856 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 40960 7417856 1% /mnt/lustre 1 130 1.44 MB/sec warmup 4 sec latency 300.255 ms 1 150 1.26 MB/sec warmup 5 sec latency 249.309 ms 1 168 1.13 MB/sec warmup 6 sec latency 240.231 ms 1 184 1.05 MB/sec warmup 7 sec latency 270.551 ms 1 206 1.01 MB/sec warmup 8 sec latency 275.628 ms 1 231 0.99 MB/sec warmup 9 sec latency 190.875 ms 1 256 0.97 MB/sec warmup 10 sec latency 220.868 ms 1 286 0.97 MB/sec warmup 11 sec latency 178.507 ms 1 313 0.96 MB/sec warmup 12 sec latency 172.567 ms test_26 fail mds1 3 times 1 341 0.94 MB/sec warmup 13 sec latency 165.316 ms 1 363 0.93 MB/sec warmup 14 sec latency 285.398 ms 1 382 0.90 MB/sec warmup 15 sec latency 223.761 ms Failing mds1 on oleg421-server 1 409 0.90 MB/sec warmup 16 sec latency 173.874 ms 1 437 0.90 MB/sec warmup 17 sec latency 209.314 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 462 0.90 MB/sec warmup 18 sec latency 203.641 ms 1 484 0.89 MB/sec warmup 19 sec latency 483.891 ms 1 484 0.00 MB/sec execute 1 sec latency 2493.582 ms 11:16:18 (1789053378) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 484 0.00 MB/sec execute 2 sec latency 3494.210 ms 1 484 0.00 MB/sec execute 3 sec latency 4495.595 ms 1 484 0.00 MB/sec execute 4 sec latency 5496.827 ms 1 484 0.00 MB/sec execute 5 sec latency 6497.139 ms 1 484 0.00 MB/sec execute 6 sec latency 7497.792 ms 1 484 0.00 MB/sec execute 7 sec latency 8498.160 ms 1 484 0.00 MB/sec execute 8 sec latency 9498.480 ms 1 484 0.00 MB/sec execute 9 sec latency 10499.884 ms 1 484 0.00 MB/sec execute 10 sec latency 11500.229 ms 1 484 0.00 MB/sec execute 11 sec latency 12501.463 ms 1 484 0.00 MB/sec execute 12 sec latency 13503.702 ms Failover mds1 to oleg421-server mount facets: mds1 1 484 0.00 MB/sec execute 13 sec latency 14505.798 ms 1 484 0.00 MB/sec execute 14 sec latency 15509.435 ms 1 484 0.00 MB/sec execute 15 sec latency 16509.625 ms 1 484 0.00 MB/sec execute 16 sec latency 17510.686 ms 1 484 0.00 MB/sec execute 17 sec latency 18518.609 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 484 0.00 MB/sec execute 18 sec latency 19519.280 ms 1 484 0.00 MB/sec execute 19 sec latency 20519.827 ms 1 484 0.00 MB/sec execute 20 sec latency 21521.570 ms 1 484 0.00 MB/sec execute 21 sec latency 22522.866 ms 1 484 0.00 MB/sec execute 22 sec latency 23524.114 ms 1 484 0.00 MB/sec execute 23 sec latency 24525.541 ms 1 484 0.00 MB/sec execute 24 sec latency 25526.391 ms 1 484 0.00 MB/sec execute 25 sec latency 26526.603 ms 1 484 0.00 MB/sec execute 26 sec latency 27527.104 ms 1 484 0.00 MB/sec execute 27 sec latency 28527.597 ms 1 484 0.00 MB/sec execute 28 sec latency 29527.960 ms 1 484 0.00 MB/sec execute 29 sec latency 30531.112 ms 1 484 0.00 MB/sec execute 30 sec latency 31531.390 ms 1 484 0.00 MB/sec execute 31 sec latency 32531.664 ms 1 484 0.00 MB/sec execute 32 sec latency 33533.266 ms 1 484 0.00 MB/sec execute 33 sec latency 34533.647 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 484 0.00 MB/sec execute 34 sec latency 35534.323 ms 1 484 0.00 MB/sec execute 35 sec latency 36534.911 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 484 0.00 MB/sec execute 36 sec latency 37535.159 ms Started lustre-MDT0000 11:16:53 (1789053413) targets are mounted 11:16:53 (1789053413) facet_failover done 1 484 0.00 MB/sec execute 37 sec latency 38536.474 ms 1 484 0.00 MB/sec execute 38 sec latency 39537.060 ms 1 484 0.00 MB/sec execute 39 sec latency 40539.949 ms 1 484 0.00 MB/sec execute 40 sec latency 41541.020 ms 1 484 0.00 MB/sec execute 41 sec latency 42541.213 ms 1 485 0.00 MB/sec execute 42 sec latency 43301.689 ms 1 511 0.02 MB/sec execute 43 sec latency 359.461 ms 1 574 0.05 MB/sec execute 44 sec latency 159.004 ms 1 639 0.09 MB/sec execute 45 sec latency 118.503 ms 1 664 0.09 MB/sec execute 46 sec latency 141.142 ms 1 674 0.09 MB/sec execute 47 sec latency 424.176 ms 1 699 0.09 MB/sec execute 48 sec latency 183.613 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 726 0.09 MB/sec execute 49 sec latency 187.714 ms 1 740 0.09 MB/sec execute 50 sec latency 157.295 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 773 0.09 MB/sec execute 51 sec latency 156.044 ms 1 789 0.09 MB/sec execute 52 sec latency 218.076 ms 1 801 0.09 MB/sec execute 53 sec latency 277.810 ms 1 817 0.08 MB/sec execute 54 sec latency 216.185 ms 1 864 0.08 MB/sec execute 55 sec latency 128.545 ms 1 878 0.08 MB/sec execute 56 sec latency 395.864 ms 1 900 0.08 MB/sec execute 57 sec latency 210.313 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 918 0.08 MB/sec execute 58 sec latency 232.781 ms 1 957 0.08 MB/sec execute 59 sec latency 153.529 ms 1 980 0.08 MB/sec execute 60 sec latency 311.609 ms 1 1028 0.10 MB/sec execute 61 sec latency 321.903 ms 1 1077 0.10 MB/sec execute 62 sec latency 95.205 ms 1 1131 0.10 MB/sec execute 63 sec latency 105.807 ms 1 1170 0.09 MB/sec execute 64 sec latency 145.994 ms 1 1200 0.09 MB/sec execute 65 sec latency 107.555 ms 1 1231 0.09 MB/sec execute 66 sec latency 205.702 ms 1 1262 0.09 MB/sec execute 67 sec latency 134.337 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 10 11:17:25 EDT 2026 with return code 0 1 1387 0.13 MB/sec execute 68 sec latency 136.045 ms 47281 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47281 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished