== replay-dual test 26: dbench and tar with mds failover ========================================================== 08:51:49 (1789044709) Starting client oleg137-client.virtnet: -o user_xattr,flock 192.168.201.137@tcp:/lustre /mnt/lustre Started clients oleg137-client.virtnet: 192.168.201.137@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 45280 Started dbench loop with 45281 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 2048 3740672 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7502848 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 08:51:56 EDT 2026 waiting for dbench pid 45350 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 137.530 ms 1 81 1.80 MB/sec warmup 2 sec latency 141.376 ms 1 128 1.92 MB/sec warmup 3 sec latency 176.164 ms 1 181 1.83 MB/sec warmup 4 sec latency 116.370 ms test_26 fail mds1 1 times 1 207 1.62 MB/sec warmup 5 sec latency 230.248 ms 1 231 1.48 MB/sec warmup 6 sec latency 191.531 ms Failing mds1 on oleg137-server 1 263 1.42 MB/sec warmup 7 sec latency 188.445 ms 1 289 1.34 MB/sec warmup 8 sec latency 235.833 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 323 1.30 MB/sec warmup 9 sec latency 270.175 ms 1 331 1.20 MB/sec warmup 10 sec latency 918.296 ms 1 331 1.09 MB/sec warmup 11 sec latency 1919.986 ms 08:52:08 (1789044728) shut down facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 331 1.00 MB/sec warmup 12 sec latency 2926.709 ms 1 331 0.92 MB/sec warmup 13 sec latency 3942.645 ms 1 331 0.85 MB/sec warmup 14 sec latency 4943.025 ms 1 331 0.80 MB/sec warmup 15 sec latency 5953.869 ms 1 331 0.75 MB/sec warmup 16 sec latency 6955.658 ms 1 331 0.70 MB/sec warmup 17 sec latency 7955.925 ms 1 331 0.66 MB/sec warmup 18 sec latency 8956.186 ms 1 331 0.63 MB/sec warmup 19 sec latency 9958.588 ms 1 331 0.00 MB/sec execute 1 sec latency 11962.038 ms 1 331 0.00 MB/sec execute 2 sec latency 12962.421 ms Failover mds1 to oleg137-server mount facets: mds1 1 331 0.00 MB/sec execute 3 sec latency 13963.068 ms 1 331 0.00 MB/sec execute 4 sec latency 14963.552 ms 1 331 0.00 MB/sec execute 5 sec latency 15967.417 ms 1 331 0.00 MB/sec execute 6 sec latency 16967.779 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 331 0.00 MB/sec execute 7 sec latency 17968.457 ms 1 331 0.00 MB/sec execute 8 sec latency 18968.781 ms 1 331 0.00 MB/sec execute 9 sec latency 19969.013 ms 1 331 0.00 MB/sec execute 10 sec latency 20970.173 ms 1 331 0.00 MB/sec execute 11 sec latency 21970.663 ms 1 331 0.00 MB/sec execute 12 sec latency 22971.936 ms 1 331 0.00 MB/sec execute 13 sec latency 23972.762 ms 1 331 0.00 MB/sec execute 14 sec latency 24973.164 ms 1 331 0.00 MB/sec execute 15 sec latency 25973.481 ms 1 331 0.00 MB/sec execute 16 sec latency 26973.999 ms 1 331 0.00 MB/sec execute 17 sec latency 27974.316 ms 1 331 0.00 MB/sec execute 18 sec latency 28977.470 ms 1 331 0.00 MB/sec execute 19 sec latency 29980.944 ms 1 331 0.00 MB/sec execute 20 sec latency 30981.252 ms 1 331 0.00 MB/sec execute 21 sec latency 31981.512 ms 1 331 0.00 MB/sec execute 22 sec latency 32981.744 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 331 0.00 MB/sec execute 23 sec latency 33981.978 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 331 0.00 MB/sec execute 24 sec latency 34982.210 ms Started lustre-MDT0000 08:52:40 (1789044760) targets are mounted 08:52:40 (1789044760) facet_failover done 1 331 0.00 MB/sec execute 25 sec latency 35983.920 ms 1 331 0.00 MB/sec execute 26 sec latency 36984.091 ms 1 331 0.00 MB/sec execute 27 sec latency 37984.657 ms 1 331 0.00 MB/sec execute 28 sec latency 38985.461 ms 1 339 0.01 MB/sec execute 29 sec latency 39865.084 ms 1 366 0.03 MB/sec execute 30 sec latency 180.805 ms 1 403 0.07 MB/sec execute 31 sec latency 150.826 ms 1 453 0.12 MB/sec execute 32 sec latency 129.699 ms 1 488 0.15 MB/sec execute 33 sec latency 141.160 ms oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.17 MB/sec execute 34 sec latency 308.721 ms 1 590 0.24 MB/sec execute 35 sec latency 134.182 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 621 0.25 MB/sec execute 36 sec latency 163.866 ms 1 661 0.25 MB/sec execute 37 sec latency 130.302 ms 1 673 0.24 MB/sec execute 38 sec latency 329.198 ms 1 708 0.24 MB/sec execute 39 sec latency 166.694 ms 1 733 0.23 MB/sec execute 40 sec latency 215.220 ms 1 778 0.23 MB/sec execute 41 sec latency 108.481 ms 1 801 0.23 MB/sec execute 42 sec latency 262.803 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 8192 3740672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3654656 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7395328 1% /mnt/lustre 1 845 0.22 MB/sec execute 43 sec latency 161.965 ms 1 873 0.22 MB/sec execute 44 sec latency 126.568 ms 1 892 0.21 MB/sec execute 45 sec latency 247.223 ms 1 916 0.21 MB/sec execute 46 sec latency 158.623 ms 1 949 0.21 MB/sec execute 47 sec latency 164.133 ms 1 1006 0.21 MB/sec execute 48 sec latency 152.340 ms test_26 fail mds1 2 times 1 1105 0.22 MB/sec execute 49 sec latency 55.501 ms 1 1143 0.22 MB/sec execute 50 sec latency 116.480 ms Failing mds1 on oleg137-server 1 1172 0.22 MB/sec execute 51 sec latency 187.382 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 1195 0.21 MB/sec execute 52 sec latency 191.094 ms 1 1225 0.21 MB/sec execute 53 sec latency 218.825 ms 1 1225 0.20 MB/sec execute 54 sec latency 1219.113 ms 1 1225 0.20 MB/sec execute 55 sec latency 2219.541 ms 08:53:12 (1789044792) shut down facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 1225 0.20 MB/sec execute 56 sec latency 3219.845 ms 1 1225 0.19 MB/sec execute 57 sec latency 4220.112 ms 1 1225 0.19 MB/sec execute 58 sec latency 5220.341 ms 1 1225 0.19 MB/sec execute 59 sec latency 6224.922 ms 1 1225 0.18 MB/sec execute 60 sec latency 7226.567 ms 1 1225 0.18 MB/sec execute 61 sec latency 8226.889 ms 1 1225 0.18 MB/sec execute 62 sec latency 9227.170 ms 1 1225 0.18 MB/sec execute 63 sec latency 10227.442 ms 1 1225 0.17 MB/sec execute 64 sec latency 11228.548 ms 1 1225 0.17 MB/sec execute 65 sec latency 12228.935 ms 1 1225 0.17 MB/sec execute 66 sec latency 13235.531 ms Failover mds1 to oleg137-server mount facets: mds1 1 1225 0.16 MB/sec execute 67 sec latency 14235.800 ms 1 1225 0.16 MB/sec execute 68 sec latency 15236.128 ms 1 1225 0.16 MB/sec execute 69 sec latency 16236.382 ms 1 1225 0.16 MB/sec execute 70 sec latency 17237.587 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1225 0.16 MB/sec execute 71 sec latency 18238.032 ms 1 1225 0.15 MB/sec execute 72 sec latency 19238.304 ms 1 1225 0.15 MB/sec execute 73 sec latency 20238.647 ms 1 1225 0.15 MB/sec execute 74 sec latency 21238.884 ms 1 1225 0.15 MB/sec execute 75 sec latency 22239.522 ms 1 1225 0.15 MB/sec execute 76 sec latency 23240.033 ms 1 1225 0.14 MB/sec execute 77 sec latency 24240.290 ms 1 1225 0.14 MB/sec execute 78 sec latency 25240.788 ms 1 1225 0.14 MB/sec execute 79 sec latency 26241.114 ms 1 1225 0.14 MB/sec execute 80 sec latency 27242.952 ms 1 1225 0.14 MB/sec execute 81 sec latency 28250.535 ms 1 1225 0.13 MB/sec execute 82 sec latency 29250.731 ms 1 1225 0.13 MB/sec execute 83 sec latency 30251.068 ms 1 1225 0.13 MB/sec execute 84 sec latency 31251.367 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 1225 0.13 MB/sec execute 85 sec latency 32252.527 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 1225 0.13 MB/sec execute 86 sec latency 33252.738 ms Started lustre-MDT0000 08:53:43 (1789044823) targets are mounted 08:53:43 (1789044823) facet_failover done 1 1225 0.13 MB/sec execute 87 sec latency 34253.060 ms 1 1225 0.13 MB/sec execute 88 sec latency 35254.677 ms 1 1225 0.12 MB/sec execute 89 sec latency 36259.134 ms 1 1225 0.12 MB/sec execute 90 sec latency 37259.382 ms 1 1225 0.12 MB/sec execute 91 sec latency 38262.172 ms 1 1225 0.12 MB/sec execute 92 sec latency 39262.525 ms 1 1225 0.12 MB/sec execute 93 sec latency 40264.769 ms 1 1225 0.12 MB/sec execute 94 sec latency 41265.894 ms 1 1225 0.12 MB/sec execute 95 sec latency 42266.504 ms 1 1242 0.12 MB/sec execute 96 sec latency 42529.883 ms 1 1273 0.11 MB/sec execute 97 sec latency 145.469 ms 1 1398 0.14 MB/sec execute 98 sec latency 94.713 ms 1 1426 0.14 MB/sec execute 99 sec latency 134.361 ms 1 cleanup 100 sec oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 162 318.349 39865.066 Close 146 15.239 67.908 Rename 10 88.230 187.348 Unlink 19 27.335 60.266 Qpathinfo 108 419.056 42529.867 Qfileinfo 58 1.813 16.710 Qfsinfo 33 3.638 19.417 Sfileinfo 34 72.808 191.071 Find 50 8.029 82.459 WriteX 263 13.224 82.311 ReadX 230 3.259 120.015 Flush 24 137.225 329.177 Throughput 0.141302 MB/sec 1 clients 1 procs max_latency=42529.883 ms stopping dbench on /mnt/lustre at Thu Sep 10 08:54:01 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3717120 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 52224 3668992 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 63488 7386112 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 08:54:08 EDT 2026 waiting for dbench pid 47371 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 0 12 0.00 MB/sec warmup 1 sec latency 45.331 ms 1 50 1.05 MB/sec warmup 2 sec latency 181.036 ms 1 91 1.39 MB/sec warmup 3 sec latency 142.392 ms 1 113 1.31 MB/sec warmup 4 sec latency 357.602 ms 1 139 1.20 MB/sec warmup 5 sec latency 165.073 ms 1 168 1.13 MB/sec warmup 6 sec latency 194.576 ms test_26 fail mds1 3 times 1 197 1.12 MB/sec warmup 7 sec latency 144.443 ms 1 215 1.04 MB/sec warmup 8 sec latency 276.052 ms 1 238 1.01 MB/sec warmup 9 sec latency 240.855 ms Failing mds1 on oleg137-server 1 262 0.99 MB/sec warmup 10 sec latency 172.913 ms 1 280 0.95 MB/sec warmup 11 sec latency 235.513 ms Stopping /mnt/lustre-mds1 (opts:) on oleg137-server 1 298 0.91 MB/sec warmup 12 sec latency 231.295 ms 1 323 0.90 MB/sec warmup 13 sec latency 311.253 ms 1 323 0.84 MB/sec warmup 14 sec latency 1312.031 ms 1 323 0.78 MB/sec warmup 15 sec latency 2312.563 ms 08:54:24 (1789044864) shut down facet: mds1 facet_host: oleg137-server facet_failover_host: oleg137-server 1 323 0.73 MB/sec warmup 16 sec latency 3312.830 ms 1 323 0.69 MB/sec warmup 17 sec latency 4313.073 ms 1 323 0.65 MB/sec warmup 18 sec latency 5313.333 ms 1 323 0.62 MB/sec warmup 19 sec latency 6313.570 ms 1 323 0.00 MB/sec execute 1 sec latency 8313.989 ms 1 323 0.00 MB/sec execute 2 sec latency 9314.339 ms 1 323 0.00 MB/sec execute 3 sec latency 10314.729 ms 1 323 0.00 MB/sec execute 4 sec latency 11317.239 ms 1 323 0.00 MB/sec execute 5 sec latency 12318.279 ms Failover mds1 to oleg137-server mount facets: mds1 1 323 0.00 MB/sec execute 6 sec latency 13318.593 ms 1 323 0.00 MB/sec execute 7 sec latency 14318.863 ms 1 323 0.00 MB/sec execute 8 sec latency 15319.794 ms 1 323 0.00 MB/sec execute 9 sec latency 16320.021 ms 1 323 0.00 MB/sec execute 10 sec latency 17320.317 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 323 0.00 MB/sec execute 11 sec latency 18320.580 ms 1 323 0.00 MB/sec execute 12 sec latency 19321.646 ms 1 323 0.00 MB/sec execute 13 sec latency 20322.042 ms 1 323 0.00 MB/sec execute 14 sec latency 21322.992 ms 1 323 0.00 MB/sec execute 15 sec latency 22323.251 ms 1 323 0.00 MB/sec execute 16 sec latency 23326.010 ms 1 323 0.00 MB/sec execute 17 sec latency 24326.486 ms oleg137-server: oleg137-server.virtnet: executing set_default_debug -1 all 1 323 0.00 MB/sec execute 18 sec latency 25326.737 ms pdsh@oleg137-client: oleg137-server: ssh exited with exit code 1 1 323 0.00 MB/sec execute 19 sec latency 26327.019 ms 1 323 0.00 MB/sec execute 20 sec latency 27333.592 ms Started lustre-MDT0000 08:54:49 (1789044889) targets are mounted 08:54:49 (1789044889) facet_failover done 1 323 0.00 MB/sec execute 21 sec latency 28333.834 ms 1 323 0.00 MB/sec execute 22 sec latency 29334.053 ms 1 323 0.00 MB/sec execute 23 sec latency 30335.833 ms 1 323 0.00 MB/sec execute 24 sec latency 31336.419 ms 1 323 0.00 MB/sec execute 25 sec latency 32338.964 ms 1 323 0.00 MB/sec execute 26 sec latency 33339.225 ms 1 323 0.00 MB/sec execute 27 sec latency 34339.464 ms 1 323 0.00 MB/sec execute 28 sec latency 35339.911 ms 1 323 0.00 MB/sec execute 29 sec latency 36341.050 ms 1 323 0.00 MB/sec execute 30 sec latency 37341.285 ms 1 323 0.00 MB/sec execute 31 sec latency 38341.524 ms 1 323 0.00 MB/sec execute 32 sec latency 39342.103 ms 1 331 0.01 MB/sec execute 33 sec latency 40210.776 ms 1 350 0.02 MB/sec execute 34 sec latency 292.813 ms 1 385 0.05 MB/sec execute 35 sec latency 131.858 ms 1 429 0.09 MB/sec execute 36 sec latency 127.063 ms 1 469 0.13 MB/sec execute 37 sec latency 118.586 ms oleg137-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 504 0.15 MB/sec execute 38 sec latency 173.140 ms 1 539 0.19 MB/sec execute 39 sec latency 175.499 ms 1 606 0.23 MB/sec execute 40 sec latency 184.090 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 650 0.23 MB/sec execute 41 sec latency 133.217 ms 1 671 0.22 MB/sec execute 42 sec latency 341.194 ms 1 711 0.22 MB/sec execute 43 sec latency 158.813 ms 1 730 0.22 MB/sec execute 44 sec latency 302.229 ms 1 762 0.21 MB/sec execute 45 sec latency 127.176 ms 1 791 0.21 MB/sec execute 46 sec latency 187.588 ms 1 816 0.21 MB/sec execute 47 sec latency 123.261 ms 1 873 0.21 MB/sec execute 48 sec latency 119.920 ms 1 903 0.20 MB/sec execute 49 sec latency 221.986 ms 1 919 0.20 MB/sec execute 50 sec latency 339.652 ms 1 960 0.20 MB/sec execute 51 sec latency 115.262 ms 1 983 0.20 MB/sec execute 52 sec latency 311.616 ms 1 1040 0.21 MB/sec execute 53 sec latency 138.602 ms 1 1099 0.21 MB/sec execute 54 sec latency 73.337 ms 1 1138 0.20 MB/sec execute 55 sec latency 102.000 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 10 08:55:25 EDT 2026 with return code 0 1 1180 0.20 MB/sec execute 56 sec latency 99.944 ms 47371 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47371 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished