== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:07:20 (1768252040) Starting client oleg144-client.virtnet: -o user_xattr,flock 192.168.201.144@tcp:/lustre /mnt/lustre Started clients oleg144-client.virtnet: 192.168.201.144@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 44640 Started dbench loop with 44641 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 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 7168 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3764224 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 10240 7501824 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 Mon Jan 12 16:07:27 EST 2026 waiting for dbench pid 44710 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 14 0.00 MB/sec warmup 1 sec latency 96.348 ms 1 70 1.57 MB/sec warmup 2 sec latency 237.465 ms 1 113 1.75 MB/sec warmup 3 sec latency 187.217 ms 1 147 1.57 MB/sec warmup 4 sec latency 153.420 ms test_26 fail mds1 1 times 1 176 1.41 MB/sec warmup 5 sec latency 152.262 ms 1 200 1.30 MB/sec warmup 6 sec latency 213.998 ms Failing mds1 on oleg144-server 1 231 1.27 MB/sec warmup 7 sec latency 128.925 ms 1 271 1.27 MB/sec warmup 8 sec latency 126.354 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 305 1.24 MB/sec warmup 9 sec latency 162.407 ms 1 313 1.15 MB/sec warmup 10 sec latency 822.634 ms 1 313 1.04 MB/sec warmup 11 sec latency 1822.800 ms 1 313 0.96 MB/sec warmup 12 sec latency 2822.966 ms 16:07:40 (1768252060) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 313 0.88 MB/sec warmup 13 sec latency 3823.813 ms 1 313 0.82 MB/sec warmup 14 sec latency 4824.023 ms 1 313 0.76 MB/sec warmup 15 sec latency 5824.232 ms 1 313 0.72 MB/sec warmup 16 sec latency 6824.575 ms 1 313 0.67 MB/sec warmup 17 sec latency 7824.926 ms 1 313 0.64 MB/sec warmup 18 sec latency 8825.180 ms 1 313 0.60 MB/sec warmup 19 sec latency 9826.956 ms 1 313 0.00 MB/sec execute 1 sec latency 11828.881 ms 1 313 0.00 MB/sec execute 2 sec latency 12829.810 ms Failover mds1 to oleg144-server mount facets: mds1 1 313 0.00 MB/sec execute 3 sec latency 13830.126 ms 1 313 0.00 MB/sec execute 4 sec latency 14830.448 ms 1 313 0.00 MB/sec execute 5 sec latency 15830.792 ms 1 313 0.00 MB/sec execute 6 sec latency 16831.614 ms 1 313 0.00 MB/sec execute 7 sec latency 17831.890 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 313 0.00 MB/sec execute 8 sec latency 18834.128 ms 1 313 0.00 MB/sec execute 9 sec latency 19835.876 ms 1 313 0.00 MB/sec execute 10 sec latency 20836.222 ms 1 313 0.00 MB/sec execute 11 sec latency 21837.504 ms 1 313 0.00 MB/sec execute 12 sec latency 22838.091 ms 1 313 0.00 MB/sec execute 13 sec latency 23839.624 ms 1 313 0.00 MB/sec execute 14 sec latency 24840.358 ms 1 313 0.00 MB/sec execute 15 sec latency 25841.095 ms 1 313 0.00 MB/sec execute 16 sec latency 26842.731 ms 1 313 0.00 MB/sec execute 17 sec latency 27843.349 ms 1 313 0.00 MB/sec execute 18 sec latency 28843.672 ms 1 313 0.00 MB/sec execute 19 sec latency 29843.932 ms 1 313 0.00 MB/sec execute 20 sec latency 30844.183 ms 1 313 0.00 MB/sec execute 21 sec latency 31844.489 ms 1 313 0.00 MB/sec execute 22 sec latency 32845.678 ms 1 313 0.00 MB/sec execute 23 sec latency 33846.604 ms 1 313 0.00 MB/sec execute 24 sec latency 34847.117 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 313 0.00 MB/sec execute 25 sec latency 35847.978 ms 1 313 0.00 MB/sec execute 26 sec latency 36848.885 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 313 0.00 MB/sec execute 27 sec latency 37849.119 ms Started lustre-MDT0000 16:08:15 (1768252095) targets are mounted 16:08:15 (1768252095) facet_failover done 1 313 0.00 MB/sec execute 28 sec latency 38850.598 ms 1 313 0.00 MB/sec execute 29 sec latency 39851.842 ms 1 313 0.00 MB/sec execute 30 sec latency 40852.316 ms 1 315 0.00 MB/sec execute 31 sec latency 41695.034 ms 1 349 0.03 MB/sec execute 32 sec latency 176.163 ms 1 373 0.06 MB/sec execute 33 sec latency 140.448 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 405 0.08 MB/sec execute 34 sec latency 156.364 ms 1 436 0.11 MB/sec execute 35 sec latency 153.249 ms 1 468 0.14 MB/sec execute 36 sec latency 130.710 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 498 0.16 MB/sec execute 37 sec latency 204.732 ms 1 517 0.17 MB/sec execute 38 sec latency 212.858 ms 1 578 0.21 MB/sec execute 39 sec latency 204.240 ms 1 652 0.24 MB/sec execute 40 sec latency 106.694 ms 1 692 0.24 MB/sec execute 41 sec latency 190.352 ms 1 723 0.23 MB/sec execute 42 sec latency 159.176 ms 1 759 0.23 MB/sec execute 43 sec latency 155.774 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3584 2204928 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 38912 3707904 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3712000 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7419904 1% /mnt/lustre 1 789 0.23 MB/sec execute 44 sec latency 131.039 ms 1 802 0.22 MB/sec execute 45 sec latency 299.747 ms 1 848 0.22 MB/sec execute 46 sec latency 105.763 ms 1 874 0.22 MB/sec execute 47 sec latency 275.893 ms 1 902 0.21 MB/sec execute 48 sec latency 129.107 ms 1 934 0.21 MB/sec execute 49 sec latency 217.416 ms test_26 fail mds1 2 times 1 972 0.21 MB/sec execute 50 sec latency 112.302 ms 1 1006 0.21 MB/sec execute 51 sec latency 225.143 ms Failing mds1 on oleg144-server 1 1063 0.22 MB/sec execute 52 sec latency 129.317 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 1124 0.22 MB/sec execute 53 sec latency 76.188 ms 1 1145 0.21 MB/sec execute 54 sec latency 400.512 ms 1 1145 0.21 MB/sec execute 55 sec latency 1400.783 ms 1 1145 0.21 MB/sec execute 56 sec latency 2401.259 ms 1 1145 0.20 MB/sec execute 57 sec latency 3401.623 ms 1 1145 0.20 MB/sec execute 58 sec latency 4401.883 ms 1 1145 0.19 MB/sec execute 59 sec latency 5403.143 ms 1 1145 0.19 MB/sec execute 60 sec latency 6403.748 ms 1 1145 0.19 MB/sec execute 61 sec latency 7404.809 ms 1 1145 0.19 MB/sec execute 62 sec latency 8405.137 ms 16:08:50 (1768252130) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 1145 0.18 MB/sec execute 63 sec latency 9408.317 ms 1 1145 0.18 MB/sec execute 64 sec latency 10409.895 ms 1 1145 0.18 MB/sec execute 65 sec latency 11410.154 ms 1 1145 0.17 MB/sec execute 66 sec latency 12410.498 ms 1 1145 0.17 MB/sec execute 67 sec latency 13411.107 ms 1 1145 0.17 MB/sec execute 68 sec latency 14411.400 ms 1 1145 0.17 MB/sec execute 69 sec latency 15412.660 ms 1 1145 0.16 MB/sec execute 70 sec latency 16416.560 ms 1 1145 0.16 MB/sec execute 71 sec latency 17416.941 ms 1 1145 0.16 MB/sec execute 72 sec latency 18417.138 ms 1 1145 0.16 MB/sec execute 73 sec latency 19417.389 ms Failover mds1 to oleg144-server mount facets: mds1 1 1145 0.16 MB/sec execute 74 sec latency 20417.548 ms 1 1145 0.15 MB/sec execute 75 sec latency 21418.661 ms 1 1145 0.15 MB/sec execute 76 sec latency 22419.266 ms 1 1145 0.15 MB/sec execute 77 sec latency 23422.433 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1145 0.15 MB/sec execute 78 sec latency 24437.384 ms 1 1145 0.15 MB/sec execute 79 sec latency 25437.632 ms 1 1145 0.14 MB/sec execute 80 sec latency 26437.919 ms 1 1145 0.14 MB/sec execute 81 sec latency 27439.318 ms 1 1145 0.14 MB/sec execute 82 sec latency 28439.576 ms 1 1145 0.14 MB/sec execute 83 sec latency 29441.808 ms 1 1145 0.14 MB/sec execute 84 sec latency 30442.575 ms 1 1145 0.14 MB/sec execute 85 sec latency 31442.844 ms 1 1145 0.13 MB/sec execute 86 sec latency 32445.630 ms 1 1145 0.13 MB/sec execute 87 sec latency 33448.462 ms 1 1145 0.13 MB/sec execute 88 sec latency 34449.913 ms 1 1145 0.13 MB/sec execute 89 sec latency 35458.773 ms 1 1145 0.13 MB/sec execute 90 sec latency 36459.136 ms 1 1145 0.13 MB/sec execute 91 sec latency 37460.800 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 1145 0.12 MB/sec execute 92 sec latency 38461.138 ms 1 1145 0.12 MB/sec execute 93 sec latency 39462.032 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 1145 0.12 MB/sec execute 94 sec latency 40464.123 ms Started lustre-MDT0000 16:09:22 (1768252162) targets are mounted 16:09:22 (1768252162) facet_failover done 1 1145 0.12 MB/sec execute 95 sec latency 41464.400 ms 1 1145 0.12 MB/sec execute 96 sec latency 42465.320 ms 1 1145 0.12 MB/sec execute 97 sec latency 43466.135 ms 1 1145 0.12 MB/sec execute 98 sec latency 44467.097 ms 1 1145 0.12 MB/sec execute 99 sec latency 45467.322 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 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 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 0 cleanup 116 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 119 923.243 58470.082 Close 110 12.996 38.278 Rename 6 89.658 131.016 Unlink 12 23.315 44.233 Qpathinfo 59 19.705 75.118 Qfileinfo 52 2.140 8.853 Qfsinfo 26 4.043 31.525 Sfileinfo 23 56.328 79.161 Find 32 6.174 29.320 WriteX 256 16.329 95.631 ReadX 114 5.075 129.293 Flush 24 131.133 299.733 Throughput 0.116111 MB/sec 1 clients 1 procs max_latency=45467.322 ms stopping dbench on /mnt/lustre at Mon Jan 12 16:09:44 EST 2026 with return code 0 oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 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 Mon Jan 12 16:09:53 EST 2026 waiting for dbench pid 46652 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 30 1.04 MB/sec warmup 1 sec latency 31.912 ms 1 75 1.58 MB/sec warmup 2 sec latency 189.897 ms 1 111 1.73 MB/sec warmup 3 sec latency 221.092 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3968 2204544 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 5120 3757056 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3681280 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7438336 1% /mnt/lustre 1 129 1.42 MB/sec warmup 4 sec latency 232.229 ms 1 146 1.25 MB/sec warmup 5 sec latency 353.387 ms 1 158 1.08 MB/sec warmup 6 sec latency 356.287 ms 1 182 1.04 MB/sec warmup 7 sec latency 218.684 ms 1 200 0.97 MB/sec warmup 8 sec latency 202.221 ms 1 231 0.98 MB/sec warmup 9 sec latency 150.332 ms 1 268 1.00 MB/sec warmup 10 sec latency 173.981 ms 1 296 0.99 MB/sec warmup 11 sec latency 142.062 ms test_26 fail mds1 3 times 1 341 1.02 MB/sec warmup 12 sec latency 125.592 ms 1 373 1.02 MB/sec warmup 13 sec latency 174.275 ms 1 397 1.00 MB/sec warmup 14 sec latency 211.833 ms Failing mds1 on oleg144-server 1 416 0.97 MB/sec warmup 15 sec latency 249.953 ms 1 446 0.97 MB/sec warmup 16 sec latency 171.247 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 476 0.98 MB/sec warmup 17 sec latency 165.153 ms 1 501 0.97 MB/sec warmup 18 sec latency 336.395 ms 1 501 0.92 MB/sec warmup 19 sec latency 1336.642 ms 16:10:14 (1768252214) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 501 0.00 MB/sec execute 1 sec latency 3337.753 ms 1 501 0.00 MB/sec execute 2 sec latency 4338.175 ms 1 501 0.00 MB/sec execute 3 sec latency 5338.452 ms 1 501 0.00 MB/sec execute 4 sec latency 6338.835 ms 1 501 0.00 MB/sec execute 5 sec latency 7340.770 ms 1 501 0.00 MB/sec execute 6 sec latency 8341.254 ms 1 501 0.00 MB/sec execute 7 sec latency 9343.636 ms 1 501 0.00 MB/sec execute 8 sec latency 10346.943 ms 1 501 0.00 MB/sec execute 9 sec latency 11347.242 ms 1 501 0.00 MB/sec execute 10 sec latency 12348.622 ms 1 501 0.00 MB/sec execute 11 sec latency 13348.985 ms Failover mds1 to oleg144-server mount facets: mds1 1 501 0.00 MB/sec execute 12 sec latency 14349.157 ms 1 501 0.00 MB/sec execute 13 sec latency 15349.428 ms 1 501 0.00 MB/sec execute 14 sec latency 16350.268 ms 1 501 0.00 MB/sec execute 15 sec latency 17351.187 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 501 0.00 MB/sec execute 16 sec latency 18351.576 ms 1 501 0.00 MB/sec execute 17 sec latency 19351.832 ms 1 501 0.00 MB/sec execute 18 sec latency 20352.082 ms 1 501 0.00 MB/sec execute 19 sec latency 21352.287 ms 1 501 0.00 MB/sec execute 20 sec latency 22352.628 ms 1 501 0.00 MB/sec execute 21 sec latency 23354.187 ms 1 501 0.00 MB/sec execute 22 sec latency 24354.794 ms 1 501 0.00 MB/sec execute 23 sec latency 25359.473 ms 1 501 0.00 MB/sec execute 24 sec latency 26359.811 ms 1 501 0.00 MB/sec execute 25 sec latency 27361.826 ms 1 501 0.00 MB/sec execute 26 sec latency 28366.090 ms 1 501 0.00 MB/sec execute 27 sec latency 29366.382 ms 1 501 0.00 MB/sec execute 28 sec latency 30370.929 ms 1 501 0.00 MB/sec execute 29 sec latency 31371.290 ms 1 501 0.00 MB/sec execute 30 sec latency 32372.466 ms 1 501 0.00 MB/sec execute 31 sec latency 33373.596 ms 1 501 0.00 MB/sec execute 32 sec latency 34375.010 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 33 sec latency 35376.651 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 34 sec latency 36377.101 ms Started lustre-MDT0000 16:10:48 (1768252248) targets are mounted 16:10:48 (1768252248) facet_failover done 1 501 0.00 MB/sec execute 35 sec latency 37377.387 ms 1 501 0.00 MB/sec execute 36 sec latency 38391.455 ms 1 501 0.00 MB/sec execute 37 sec latency 39392.236 ms 1 501 0.00 MB/sec execute 38 sec latency 40398.680 ms 1 542 0.04 MB/sec execute 39 sec latency 40534.171 ms 1 616 0.09 MB/sec execute 40 sec latency 109.846 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 664 0.09 MB/sec execute 41 sec latency 137.435 ms 1 688 0.09 MB/sec execute 42 sec latency 281.014 ms 1 712 0.09 MB/sec execute 43 sec latency 132.089 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 733 0.09 MB/sec execute 44 sec latency 287.546 ms 1 767 0.09 MB/sec execute 45 sec latency 161.298 ms 1 789 0.09 MB/sec execute 46 sec latency 342.513 ms 1 808 0.09 MB/sec execute 47 sec latency 362.794 ms 1 863 0.09 MB/sec execute 48 sec latency 135.014 ms 1 888 0.09 MB/sec execute 49 sec latency 321.043 ms 1 910 0.09 MB/sec execute 50 sec latency 169.271 ms 1 929 0.08 MB/sec execute 51 sec latency 215.941 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 969 0.08 MB/sec execute 52 sec latency 105.980 ms 1 988 0.08 MB/sec execute 53 sec latency 274.265 ms 1 1050 0.10 MB/sec execute 54 sec latency 102.322 ms 1 1091 0.10 MB/sec execute 55 sec latency 112.325 ms 1 1134 0.10 MB/sec execute 56 sec latency 109.283 ms 1 1161 0.10 MB/sec execute 57 sec latency 134.916 ms 1 1199 0.10 MB/sec execute 58 sec latency 118.655 ms 1 1233 0.09 MB/sec execute 59 sec latency 135.786 ms 1 1269 0.09 MB/sec execute 60 sec latency 127.819 ms 1 1394 0.14 MB/sec execute 61 sec latency 116.249 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1428 0.14 MB/sec execute 62 sec latency 135.721 ms stopping dbench on /mnt/lustre at Mon Jan 12 16:11:15 EST 2026 with return code 0 46652 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46652 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished