== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:46:48 (1789480008) Starting client oleg229-client.virtnet: -o user_xattr,flock 192.168.202.129@tcp:/lustre /mnt/lustre Started clients oleg229-client.virtnet: 192.168.202.129@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 45180 Started dbench loop with 45181 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 6144 3749888 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7512064 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 Tue Sep 15 09:46:57 EDT 2026 waiting for dbench pid 45257 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 20 0.39 MB/sec warmup 1 sec latency 31.828 ms 1 59 1.21 MB/sec warmup 2 sec latency 215.757 ms 1 109 1.72 MB/sec warmup 3 sec latency 171.813 ms 1 137 1.50 MB/sec warmup 4 sec latency 179.570 ms test_26 fail mds1 1 times 1 165 1.36 MB/sec warmup 5 sec latency 188.625 ms 1 190 1.26 MB/sec warmup 6 sec latency 250.756 ms 1 215 1.19 MB/sec warmup 7 sec latency 266.563 ms Failing mds1 on oleg229-server 1 250 1.17 MB/sec warmup 8 sec latency 161.717 ms Stopping /mnt/lustre-mds1 (opts:) on oleg229-server 1 289 1.19 MB/sec warmup 9 sec latency 159.552 ms 1 289 1.07 MB/sec warmup 10 sec latency 1059.746 ms 1 289 0.97 MB/sec warmup 11 sec latency 2062.102 ms 09:47:08 (1789480028) shut down facet: mds1 facet_host: oleg229-server facet_failover_host: oleg229-server 1 289 0.89 MB/sec warmup 12 sec latency 3062.317 ms 1 289 0.82 MB/sec warmup 13 sec latency 4062.575 ms 1 289 0.76 MB/sec warmup 14 sec latency 5062.787 ms 1 289 0.71 MB/sec warmup 15 sec latency 6063.053 ms 1 289 0.67 MB/sec warmup 16 sec latency 7063.594 ms 1 289 0.63 MB/sec warmup 17 sec latency 8063.876 ms 1 289 0.59 MB/sec warmup 18 sec latency 9064.083 ms 1 289 0.56 MB/sec warmup 19 sec latency 10064.280 ms 1 289 0.00 MB/sec execute 1 sec latency 12065.028 ms Failover mds1 to oleg229-server mount facets: mds1 1 289 0.00 MB/sec execute 2 sec latency 13065.727 ms 1 289 0.00 MB/sec execute 3 sec latency 14065.999 ms 1 289 0.00 MB/sec execute 4 sec latency 15066.968 ms 1 289 0.00 MB/sec execute 5 sec latency 16068.785 ms 1 289 0.00 MB/sec execute 6 sec latency 17069.702 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 289 0.00 MB/sec execute 7 sec latency 18074.117 ms 1 289 0.00 MB/sec execute 8 sec latency 19075.591 ms 1 289 0.00 MB/sec execute 9 sec latency 20076.345 ms 1 289 0.00 MB/sec execute 10 sec latency 21077.521 ms 1 289 0.00 MB/sec execute 11 sec latency 22079.862 ms 1 289 0.00 MB/sec execute 12 sec latency 23080.250 ms 1 289 0.00 MB/sec execute 13 sec latency 24082.343 ms 1 289 0.00 MB/sec execute 14 sec latency 25083.123 ms 1 289 0.00 MB/sec execute 15 sec latency 26083.508 ms 1 289 0.00 MB/sec execute 16 sec latency 27084.429 ms 1 289 0.00 MB/sec execute 17 sec latency 28084.754 ms 1 289 0.00 MB/sec execute 18 sec latency 29087.128 ms 1 289 0.00 MB/sec execute 19 sec latency 30087.319 ms 1 289 0.00 MB/sec execute 20 sec latency 31088.059 ms 1 289 0.00 MB/sec execute 21 sec latency 32090.536 ms 1 289 0.00 MB/sec execute 22 sec latency 33090.843 ms 1 289 0.00 MB/sec execute 23 sec latency 34091.412 ms oleg229-server: oleg229-server.virtnet: executing set_default_debug -1 all 1 289 0.00 MB/sec execute 24 sec latency 35091.638 ms 1 289 0.00 MB/sec execute 25 sec latency 36091.939 ms pdsh@oleg229-client: oleg229-server: ssh exited with exit code 1 1 289 0.00 MB/sec execute 26 sec latency 37093.437 ms Started lustre-MDT0000 1 289 0.00 MB/sec execute 27 sec latency 38101.878 ms 09:47:44 (1789480064) targets are mounted 09:47:44 (1789480064) facet_failover done 1 289 0.00 MB/sec execute 28 sec latency 39102.126 ms 1 289 0.00 MB/sec execute 29 sec latency 40105.744 ms 1 315 0.03 MB/sec execute 30 sec latency 40158.396 ms 1 341 0.05 MB/sec execute 31 sec latency 173.486 ms 1 371 0.08 MB/sec execute 32 sec latency 179.839 ms 1 413 0.12 MB/sec execute 33 sec latency 109.480 ms 1 444 0.15 MB/sec execute 34 sec latency 154.731 ms 1 477 0.17 MB/sec execute 35 sec latency 158.555 ms oleg229-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 510 0.19 MB/sec execute 36 sec latency 140.277 ms 1 557 0.23 MB/sec execute 37 sec latency 175.049 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 639 0.27 MB/sec execute 38 sec latency 129.750 ms 1 669 0.27 MB/sec execute 39 sec latency 286.662 ms 1 695 0.26 MB/sec execute 40 sec latency 134.218 ms 1 721 0.26 MB/sec execute 41 sec latency 168.663 ms 1 733 0.25 MB/sec execute 42 sec latency 373.691 ms 1 759 0.25 MB/sec execute 43 sec latency 166.145 ms 1 789 0.24 MB/sec execute 44 sec latency 162.624 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 34816 3717120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3690496 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7407616 1% /mnt/lustre 1 801 0.24 MB/sec execute 45 sec latency 301.941 ms 1 845 0.24 MB/sec execute 46 sec latency 192.807 ms 1 873 0.23 MB/sec execute 47 sec latency 307.553 ms 1 902 0.23 MB/sec execute 48 sec latency 339.044 ms 1 920 0.23 MB/sec execute 49 sec latency 258.002 ms 1 967 0.22 MB/sec execute 50 sec latency 113.563 ms test_26 fail mds1 2 times 1 988 0.22 MB/sec execute 51 sec latency 202.279 ms 1 1042 0.23 MB/sec execute 52 sec latency 132.505 ms Failing mds1 on oleg229-server 1 1082 0.23 MB/sec execute 53 sec latency 104.335 ms 1 1131 0.23 MB/sec execute 54 sec latency 102.110 ms Stopping /mnt/lustre-mds1 (opts:) on oleg229-server 1 1172 0.22 MB/sec execute 55 sec latency 115.956 ms 1 1177 0.22 MB/sec execute 56 sec latency 907.461 ms 1 1177 0.22 MB/sec execute 57 sec latency 1908.216 ms 1 1177 0.21 MB/sec execute 58 sec latency 2910.131 ms 09:48:16 (1789480096) shut down facet: mds1 facet_host: oleg229-server facet_failover_host: oleg229-server 1 1177 0.21 MB/sec execute 59 sec latency 3912.113 ms 1 1177 0.20 MB/sec execute 60 sec latency 4912.339 ms 1 1177 0.20 MB/sec execute 61 sec latency 5912.599 ms 1 1177 0.20 MB/sec execute 62 sec latency 6912.963 ms 1 1177 0.20 MB/sec execute 63 sec latency 7913.121 ms 1 1177 0.19 MB/sec execute 64 sec latency 8913.437 ms 1 1177 0.19 MB/sec execute 65 sec latency 9913.612 ms 1 1177 0.19 MB/sec execute 66 sec latency 10913.793 ms 1 1177 0.18 MB/sec execute 67 sec latency 11914.027 ms 1 1177 0.18 MB/sec execute 68 sec latency 12914.425 ms 1 1177 0.18 MB/sec execute 69 sec latency 13915.874 ms Failover mds1 to oleg229-server mount facets: mds1 1 1177 0.18 MB/sec execute 70 sec latency 14916.134 ms 1 1177 0.17 MB/sec execute 71 sec latency 15917.020 ms 1 1177 0.17 MB/sec execute 72 sec latency 16917.949 ms 1 1177 0.17 MB/sec execute 73 sec latency 17918.138 ms 1 1177 0.17 MB/sec execute 74 sec latency 18918.883 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1177 0.16 MB/sec execute 75 sec latency 19920.723 ms 1 1177 0.16 MB/sec execute 76 sec latency 20921.046 ms 1 1177 0.16 MB/sec execute 77 sec latency 21922.334 ms 1 1177 0.16 MB/sec execute 78 sec latency 22922.584 ms 1 1177 0.16 MB/sec execute 79 sec latency 23925.674 ms 1 1177 0.15 MB/sec execute 80 sec latency 24925.942 ms 1 1177 0.15 MB/sec execute 81 sec latency 25926.200 ms 1 1177 0.15 MB/sec execute 82 sec latency 26926.651 ms 1 1177 0.15 MB/sec execute 83 sec latency 27927.812 ms 1 1177 0.15 MB/sec execute 84 sec latency 28928.247 ms 1 1177 0.14 MB/sec execute 85 sec latency 29928.986 ms 1 1177 0.14 MB/sec execute 86 sec latency 30929.496 ms 1 1177 0.14 MB/sec execute 87 sec latency 31929.767 ms 1 1177 0.14 MB/sec execute 88 sec latency 32930.613 ms 1 1177 0.14 MB/sec execute 89 sec latency 33930.803 ms 1 1177 0.14 MB/sec execute 90 sec latency 34931.087 ms 1 1177 0.14 MB/sec execute 91 sec latency 35932.066 ms 1 1177 0.13 MB/sec execute 92 sec latency 36932.328 ms oleg229-server: oleg229-server.virtnet: executing set_default_debug -1 all 1 1177 0.13 MB/sec execute 93 sec latency 37932.527 ms 1 1177 0.13 MB/sec execute 94 sec latency 38932.790 ms pdsh@oleg229-client: oleg229-server: ssh exited with exit code 1 1 1177 0.13 MB/sec execute 95 sec latency 39936.241 ms Started lustre-MDT0000 09:48:53 (1789480133) targets are mounted 09:48:53 (1789480133) facet_failover done 1 1199 0.13 MB/sec execute 96 sec latency 40210.259 ms 1 1240 0.13 MB/sec execute 97 sec latency 104.985 ms 1 1270 0.13 MB/sec execute 98 sec latency 174.954 ms 1 1403 0.15 MB/sec execute 99 sec latency 82.796 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg229-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 158 333.782 40158.374 Close 143 14.986 49.974 Rename 10 97.153 174.933 Unlink 17 35.750 63.757 Qpathinfo 103 415.214 40210.231 Qfileinfo 63 1.730 16.540 Qfsinfo 33 4.152 34.706 Sfileinfo 34 66.707 130.702 Find 48 7.913 88.556 WriteX 288 14.572 140.262 ReadX 225 3.094 114.004 Flush 24 172.621 373.665 Throughput 0.154436 MB/sec 1 clients 1 procs max_latency=40210.259 ms stopping dbench on /mnt/lustre at Tue Sep 15 09:49:01 EDT 2026 with return code 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 Tue Sep 15 09:49:07 EDT 2026 waiting for dbench pid 47243 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 31 1.04 MB/sec warmup 1 sec latency 85.159 ms 1 84 1.89 MB/sec warmup 2 sec latency 172.232 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 39936 3698688 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3686400 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 77824 7385088 2% /mnt/lustre 1 120 1.83 MB/sec warmup 3 sec latency 225.377 ms 1 139 1.50 MB/sec warmup 4 sec latency 197.046 ms 1 165 1.36 MB/sec warmup 5 sec latency 164.025 ms 1 189 1.26 MB/sec warmup 6 sec latency 267.692 ms 1 208 1.16 MB/sec warmup 7 sec latency 236.763 ms 1 232 1.11 MB/sec warmup 8 sec latency 173.114 ms 1 266 1.10 MB/sec warmup 9 sec latency 155.050 ms test_26 fail mds1 3 times 1 289 1.07 MB/sec warmup 10 sec latency 259.838 ms 1 313 1.04 MB/sec warmup 11 sec latency 173.257 ms 1 331 1.00 MB/sec warmup 12 sec latency 342.998 ms Failing mds1 on oleg229-server 1 365 1.00 MB/sec warmup 13 sec latency 221.099 ms Stopping /mnt/lustre-mds1 (opts:) on oleg229-server 1 397 1.00 MB/sec warmup 14 sec latency 208.072 ms 1 420 0.99 MB/sec warmup 15 sec latency 461.965 ms 1 420 0.93 MB/sec warmup 16 sec latency 1465.182 ms 1 420 0.87 MB/sec warmup 17 sec latency 2465.469 ms 09:49:25 (1789480165) shut down facet: mds1 facet_host: oleg229-server facet_failover_host: oleg229-server 1 420 0.82 MB/sec warmup 18 sec latency 3465.682 ms 1 420 0.78 MB/sec warmup 19 sec latency 4465.921 ms 1 420 0.00 MB/sec execute 1 sec latency 6466.439 ms 1 420 0.00 MB/sec execute 2 sec latency 7466.629 ms 1 420 0.00 MB/sec execute 3 sec latency 8471.408 ms 1 420 0.00 MB/sec execute 4 sec latency 9471.646 ms 1 420 0.00 MB/sec execute 5 sec latency 10471.856 ms 1 420 0.00 MB/sec execute 6 sec latency 11472.304 ms 1 420 0.00 MB/sec execute 7 sec latency 12474.321 ms 1 420 0.00 MB/sec execute 8 sec latency 13478.358 ms Failover mds1 to oleg229-server mount facets: mds1 1 420 0.00 MB/sec execute 9 sec latency 14482.498 ms 1 420 0.00 MB/sec execute 10 sec latency 15488.617 ms 1 420 0.00 MB/sec execute 11 sec latency 16488.921 ms 1 420 0.00 MB/sec execute 12 sec latency 17489.130 ms 1 420 0.00 MB/sec execute 13 sec latency 18489.579 ms 1 420 0.00 MB/sec execute 14 sec latency 19489.778 ms 1 420 0.00 MB/sec execute 15 sec latency 20490.024 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 420 0.00 MB/sec execute 16 sec latency 21490.214 ms 1 420 0.00 MB/sec execute 17 sec latency 22492.470 ms 1 420 0.00 MB/sec execute 18 sec latency 23494.043 ms 1 420 0.00 MB/sec execute 19 sec latency 24494.283 ms 1 420 0.00 MB/sec execute 20 sec latency 25495.108 ms 1 420 0.00 MB/sec execute 21 sec latency 26495.390 ms 1 420 0.00 MB/sec execute 22 sec latency 27495.658 ms 1 420 0.00 MB/sec execute 23 sec latency 28496.204 ms 1 420 0.00 MB/sec execute 24 sec latency 29496.731 ms 1 420 0.00 MB/sec execute 25 sec latency 30498.104 ms 1 420 0.00 MB/sec execute 26 sec latency 31498.819 ms 1 420 0.00 MB/sec execute 27 sec latency 32499.182 ms 1 420 0.00 MB/sec execute 28 sec latency 33499.456 ms 1 420 0.00 MB/sec execute 29 sec latency 34499.712 ms oleg229-server: oleg229-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 30 sec latency 35499.996 ms pdsh@oleg229-client: oleg229-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 31 sec latency 36500.218 ms Started lustre-MDT0000 1 420 0.00 MB/sec execute 32 sec latency 37500.950 ms 09:50:00 (1789480200) targets are mounted 09:50:00 (1789480200) facet_failover done 1 420 0.00 MB/sec execute 33 sec latency 38501.284 ms 1 420 0.00 MB/sec execute 34 sec latency 39502.611 ms 1 420 0.00 MB/sec execute 35 sec latency 40502.839 ms 1 421 0.00 MB/sec execute 36 sec latency 41303.733 ms 1 454 0.03 MB/sec execute 37 sec latency 343.548 ms 1 485 0.05 MB/sec execute 38 sec latency 182.580 ms 1 509 0.07 MB/sec execute 39 sec latency 223.341 ms 1 533 0.09 MB/sec execute 40 sec latency 224.659 ms 1 606 0.15 MB/sec execute 41 sec latency 150.920 ms 1 648 0.15 MB/sec execute 42 sec latency 200.889 ms oleg229-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 669 0.15 MB/sec execute 43 sec latency 364.998 ms 1 692 0.14 MB/sec execute 44 sec latency 153.393 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 717 0.14 MB/sec execute 45 sec latency 157.056 ms 1 733 0.14 MB/sec execute 46 sec latency 387.706 ms 1 776 0.14 MB/sec execute 47 sec latency 118.498 ms 1 794 0.14 MB/sec execute 48 sec latency 391.705 ms 1 811 0.13 MB/sec execute 49 sec latency 146.040 ms 1 874 0.14 MB/sec execute 50 sec latency 166.861 ms 1 902 0.13 MB/sec execute 51 sec latency 150.535 ms 1 919 0.13 MB/sec execute 52 sec latency 348.438 ms 1 955 0.13 MB/sec execute 53 sec latency 117.002 ms 1 980 0.13 MB/sec execute 54 sec latency 287.672 ms 1 1026 0.15 MB/sec execute 55 sec latency 461.377 ms 1 1076 0.14 MB/sec execute 56 sec latency 103.395 ms 1 1126 0.14 MB/sec execute 57 sec latency 94.163 ms 1 1147 0.14 MB/sec execute 58 sec latency 141.712 ms 1 1198 0.14 MB/sec execute 59 sec latency 152.862 ms 1 1229 0.14 MB/sec execute 60 sec latency 139.191 ms 1 1263 0.13 MB/sec execute 61 sec latency 154.849 ms 1 1399 0.18 MB/sec execute 62 sec latency 70.797 ms 1 1450 0.18 MB/sec execute 63 sec latency 113.865 ms 1 1481 0.17 MB/sec execute 64 sec latency 301.186 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 09:50:32 EDT 2026 with return code 0 47243 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47243 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished