== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:49:02 (1788536942) Starting client oleg241-client.virtnet: -o user_xattr,flock 192.168.202.141@tcp:/lustre /mnt/lustre Started clients oleg241-client.virtnet: 192.168.202.141@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 45177 Started dbench loop with 45178 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 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7494656 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 Sep 4 11:49:08 EDT 2026 waiting for dbench pid 45247 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 93.790 ms 1 92 2.09 MB/sec warmup 2 sec latency 146.890 ms 1 137 2.00 MB/sec warmup 3 sec latency 207.899 ms 1 170 1.73 MB/sec warmup 4 sec latency 128.361 ms 1 204 1.59 MB/sec warmup 5 sec latency 166.248 ms test_26 fail mds1 1 times 1 242 1.52 MB/sec warmup 6 sec latency 139.483 ms 1 279 1.49 MB/sec warmup 7 sec latency 192.472 ms Failing mds1 on oleg241-server 1 304 1.40 MB/sec warmup 8 sec latency 229.403 ms Stopping /mnt/lustre-mds1 (opts:) on oleg241-server 1 323 1.30 MB/sec warmup 9 sec latency 161.196 ms 1 357 1.28 MB/sec warmup 10 sec latency 133.936 ms 1 357 1.16 MB/sec warmup 11 sec latency 1102.008 ms 1 357 1.06 MB/sec warmup 12 sec latency 2103.112 ms 11:49:21 (1788536961) shut down facet: mds1 facet_host: oleg241-server facet_failover_host: oleg241-server 1 357 0.98 MB/sec warmup 13 sec latency 3103.808 ms 1 357 0.91 MB/sec warmup 14 sec latency 4104.056 ms 1 357 0.85 MB/sec warmup 15 sec latency 5104.319 ms 1 357 0.80 MB/sec warmup 16 sec latency 6104.597 ms 1 357 0.75 MB/sec warmup 17 sec latency 7110.333 ms 1 357 0.71 MB/sec warmup 18 sec latency 8110.570 ms 1 357 0.67 MB/sec warmup 19 sec latency 9110.945 ms 1 357 0.00 MB/sec execute 1 sec latency 11111.617 ms 1 357 0.00 MB/sec execute 2 sec latency 12112.899 ms 1 357 0.00 MB/sec execute 3 sec latency 13113.147 ms Failover mds1 to oleg241-server mount facets: mds1 1 357 0.00 MB/sec execute 4 sec latency 14115.887 ms 1 357 0.00 MB/sec execute 5 sec latency 15116.332 ms 1 357 0.00 MB/sec execute 6 sec latency 16118.314 ms 1 357 0.00 MB/sec execute 7 sec latency 17118.508 ms 1 357 0.00 MB/sec execute 8 sec latency 18118.750 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 357 0.00 MB/sec execute 9 sec latency 19120.144 ms 1 357 0.00 MB/sec execute 10 sec latency 20120.323 ms 1 357 0.00 MB/sec execute 11 sec latency 21122.231 ms 1 357 0.00 MB/sec execute 12 sec latency 22122.579 ms 1 357 0.00 MB/sec execute 13 sec latency 23122.891 ms 1 357 0.00 MB/sec execute 14 sec latency 24123.166 ms 1 357 0.00 MB/sec execute 15 sec latency 25124.891 ms 1 357 0.00 MB/sec execute 16 sec latency 26125.128 ms 1 357 0.00 MB/sec execute 17 sec latency 27125.406 ms 1 357 0.00 MB/sec execute 18 sec latency 28125.803 ms 1 357 0.00 MB/sec execute 19 sec latency 29126.131 ms 1 357 0.00 MB/sec execute 20 sec latency 30126.870 ms 1 357 0.00 MB/sec execute 21 sec latency 31127.102 ms 1 357 0.00 MB/sec execute 22 sec latency 32129.080 ms 1 357 0.00 MB/sec execute 23 sec latency 33129.473 ms oleg241-server: oleg241-server.virtnet: executing set_default_debug -1 all 1 357 0.00 MB/sec execute 24 sec latency 34129.973 ms pdsh@oleg241-client: oleg241-server: ssh exited with exit code 1 1 357 0.00 MB/sec execute 25 sec latency 35130.952 ms Started lustre-MDT0000 11:49:54 (1788536994) targets are mounted 11:49:54 (1788536994) facet_failover done 1 357 0.00 MB/sec execute 26 sec latency 36131.253 ms 1 357 0.00 MB/sec execute 27 sec latency 37132.359 ms 1 357 0.00 MB/sec execute 28 sec latency 38132.637 ms 1 357 0.00 MB/sec execute 29 sec latency 39132.856 ms 1 357 0.00 MB/sec execute 30 sec latency 40133.618 ms 1 358 0.00 MB/sec execute 31 sec latency 41125.654 ms 1 403 0.05 MB/sec execute 32 sec latency 207.170 ms 1 452 0.09 MB/sec execute 33 sec latency 118.039 ms 1 493 0.13 MB/sec execute 34 sec latency 93.599 ms 1 513 0.14 MB/sec execute 35 sec latency 174.341 ms oleg241-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 588 0.21 MB/sec execute 36 sec latency 178.823 ms 1 639 0.22 MB/sec execute 37 sec latency 116.552 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.22 MB/sec execute 38 sec latency 155.349 ms 1 678 0.21 MB/sec execute 39 sec latency 350.433 ms 1 708 0.21 MB/sec execute 40 sec latency 145.175 ms 1 733 0.21 MB/sec execute 41 sec latency 152.095 ms 1 765 0.20 MB/sec execute 42 sec latency 141.979 ms 1 791 0.20 MB/sec execute 43 sec latency 199.150 ms 1 811 0.20 MB/sec execute 44 sec latency 164.226 ms 1 863 0.20 MB/sec execute 45 sec latency 120.710 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 3710976 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3712000 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7422976 1% /mnt/lustre 1 885 0.19 MB/sec execute 46 sec latency 283.548 ms 1 913 0.19 MB/sec execute 47 sec latency 217.575 ms 1 943 0.19 MB/sec execute 48 sec latency 303.607 ms 1 970 0.18 MB/sec execute 49 sec latency 140.859 ms 1 988 0.18 MB/sec execute 50 sec latency 265.050 ms 1 1060 0.20 MB/sec execute 51 sec latency 109.024 ms test_26 fail mds1 2 times 1 1124 0.20 MB/sec execute 52 sec latency 68.207 ms 1 1154 0.19 MB/sec execute 53 sec latency 115.170 ms Failing mds1 on oleg241-server 1 1190 0.19 MB/sec execute 54 sec latency 93.924 ms Stopping /mnt/lustre-mds1 (opts:) on oleg241-server 1 1225 0.19 MB/sec execute 55 sec latency 134.861 ms 1 1259 0.18 MB/sec execute 56 sec latency 111.667 ms 1 1259 0.18 MB/sec execute 57 sec latency 1056.864 ms 1 1259 0.18 MB/sec execute 58 sec latency 2057.099 ms 11:50:27 (1788537027) shut down facet: mds1 facet_host: oleg241-server facet_failover_host: oleg241-server 1 1259 0.17 MB/sec execute 59 sec latency 3059.686 ms 1 1259 0.17 MB/sec execute 60 sec latency 4059.986 ms 1 1259 0.17 MB/sec execute 61 sec latency 5063.063 ms 1 1259 0.17 MB/sec execute 62 sec latency 6063.380 ms 1 1259 0.16 MB/sec execute 63 sec latency 7064.749 ms 1 1259 0.16 MB/sec execute 64 sec latency 8065.366 ms 1 1259 0.16 MB/sec execute 65 sec latency 9065.681 ms 1 1259 0.16 MB/sec execute 66 sec latency 10067.199 ms 1 1259 0.15 MB/sec execute 67 sec latency 11068.915 ms 1 1259 0.15 MB/sec execute 68 sec latency 12077.527 ms 1 1259 0.15 MB/sec execute 69 sec latency 13077.862 ms Failover mds1 to oleg241-server mount facets: mds1 1 1259 0.15 MB/sec execute 70 sec latency 14078.318 ms 1 1259 0.15 MB/sec execute 71 sec latency 15078.663 ms 1 1259 0.14 MB/sec execute 72 sec latency 16079.786 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1259 0.14 MB/sec execute 73 sec latency 17080.135 ms 1 1259 0.14 MB/sec execute 74 sec latency 18082.136 ms 1 1259 0.14 MB/sec execute 75 sec latency 19082.961 ms 1 1259 0.14 MB/sec execute 76 sec latency 20083.864 ms 1 1259 0.13 MB/sec execute 77 sec latency 21084.148 ms 1 1259 0.13 MB/sec execute 78 sec latency 22084.896 ms oleg241-server: oleg241-server.virtnet: executing set_default_debug -1 all 1 1259 0.13 MB/sec execute 79 sec latency 23085.221 ms 1 1259 0.13 MB/sec execute 80 sec latency 24085.521 ms pdsh@oleg241-client: oleg241-server: ssh exited with exit code 1 1 1259 0.13 MB/sec execute 81 sec latency 25085.790 ms Started lustre-MDT0000 11:50:50 (1788537050) targets are mounted 11:50:50 (1788537050) facet_failover done 1 1259 0.13 MB/sec execute 82 sec latency 26086.353 ms 1 1259 0.12 MB/sec execute 83 sec latency 27087.070 ms 1 1259 0.12 MB/sec execute 84 sec latency 28088.581 ms 1 1259 0.12 MB/sec execute 85 sec latency 29088.856 ms 1 1259 0.12 MB/sec execute 86 sec latency 30089.067 ms 1 1259 0.12 MB/sec execute 87 sec latency 31089.356 ms 1 1259 0.12 MB/sec execute 88 sec latency 32089.612 ms 1 1259 0.12 MB/sec execute 89 sec latency 33091.764 ms 1 1259 0.11 MB/sec execute 90 sec latency 34093.679 ms 1 1259 0.11 MB/sec execute 91 sec latency 35096.143 ms 1 1259 0.11 MB/sec execute 92 sec latency 36100.966 ms 1 1259 0.11 MB/sec execute 93 sec latency 37101.221 ms 1 1259 0.11 MB/sec execute 94 sec latency 38101.553 ms 1 1259 0.11 MB/sec execute 95 sec latency 39102.124 ms 1 1259 0.11 MB/sec execute 96 sec latency 40119.524 ms 1 1274 0.11 MB/sec execute 97 sec latency 40579.101 ms 1 1399 0.13 MB/sec execute 98 sec latency 107.288 ms 1 1436 0.13 MB/sec execute 99 sec latency 109.842 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg241-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 160 330.376 41125.632 Close 143 14.892 46.921 Rename 10 90.364 140.835 Unlink 19 30.732 53.829 Qpathinfo 112 21.196 111.533 Qfileinfo 57 2.523 18.563 Qfsinfo 33 4.186 21.925 Sfileinfo 34 1264.845 40579.079 Find 50 8.045 73.734 WriteX 251 13.136 58.473 ReadX 231 3.659 116.529 Flush 25 146.768 350.415 Throughput 0.133455 MB/sec 1 clients 1 procs max_latency=41125.654 ms stopping dbench on /mnt/lustre at Fri Sep 4 11:51:14 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 Fri Sep 4 11:51:21 EDT 2026 waiting for dbench pid 47237 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 29 0.98 MB/sec warmup 1 sec latency 20.513 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 23552 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 26624 3722240 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7458816 1% /mnt/lustre 1 63 1.34 MB/sec warmup 2 sec latency 206.898 ms 1 102 1.56 MB/sec warmup 3 sec latency 228.536 ms 1 136 1.50 MB/sec warmup 4 sec latency 186.289 ms 1 156 1.30 MB/sec warmup 5 sec latency 215.521 ms 1 184 1.23 MB/sec warmup 6 sec latency 156.823 ms 1 215 1.19 MB/sec warmup 7 sec latency 143.729 ms 1 255 1.20 MB/sec warmup 8 sec latency 119.205 ms test_26 fail mds1 3 times 1 289 1.19 MB/sec warmup 9 sec latency 135.716 ms 1 322 1.17 MB/sec warmup 10 sec latency 177.507 ms Failing mds1 on oleg241-server 1 349 1.14 MB/sec warmup 11 sec latency 239.864 ms Stopping /mnt/lustre-mds1 (opts:) on oleg241-server 1 382 1.13 MB/sec warmup 12 sec latency 187.593 ms 1 405 1.10 MB/sec warmup 13 sec latency 458.554 ms 1 405 1.02 MB/sec warmup 14 sec latency 1459.533 ms 1 405 0.95 MB/sec warmup 15 sec latency 2459.911 ms 11:51:37 (1788537097) shut down facet: mds1 facet_host: oleg241-server facet_failover_host: oleg241-server 1 405 0.89 MB/sec warmup 16 sec latency 3461.975 ms 1 405 0.84 MB/sec warmup 17 sec latency 4462.298 ms 1 405 0.80 MB/sec warmup 18 sec latency 5462.738 ms 1 405 0.75 MB/sec warmup 19 sec latency 6463.185 ms 1 405 0.00 MB/sec execute 1 sec latency 8471.741 ms 1 405 0.00 MB/sec execute 2 sec latency 9472.078 ms 1 405 0.00 MB/sec execute 3 sec latency 10476.787 ms 1 405 0.00 MB/sec execute 4 sec latency 11477.060 ms 1 405 0.00 MB/sec execute 5 sec latency 12480.332 ms 1 405 0.00 MB/sec execute 6 sec latency 13491.910 ms Failover mds1 to oleg241-server mount facets: mds1 1 405 0.00 MB/sec execute 7 sec latency 14492.153 ms 1 405 0.00 MB/sec execute 8 sec latency 15493.271 ms 1 405 0.00 MB/sec execute 9 sec latency 16495.007 ms 1 405 0.00 MB/sec execute 10 sec latency 17495.374 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 405 0.00 MB/sec execute 11 sec latency 18496.656 ms 1 405 0.00 MB/sec execute 12 sec latency 19497.502 ms 1 405 0.00 MB/sec execute 13 sec latency 20499.209 ms 1 405 0.00 MB/sec execute 14 sec latency 21499.930 ms 1 405 0.00 MB/sec execute 15 sec latency 22500.475 ms 1 405 0.00 MB/sec execute 16 sec latency 23502.548 ms 1 405 0.00 MB/sec execute 17 sec latency 24506.474 ms oleg241-server: oleg241-server.virtnet: executing set_default_debug -1 all 1 405 0.00 MB/sec execute 18 sec latency 25506.866 ms pdsh@oleg241-client: oleg241-server: ssh exited with exit code 1 1 405 0.00 MB/sec execute 19 sec latency 26507.059 ms Started lustre-MDT0000 11:52:01 (1788537121) targets are mounted 11:52:01 (1788537121) facet_failover done 1 405 0.00 MB/sec execute 20 sec latency 27507.303 ms 1 405 0.00 MB/sec execute 21 sec latency 28516.014 ms 1 405 0.00 MB/sec execute 22 sec latency 29517.937 ms 1 405 0.00 MB/sec execute 23 sec latency 30518.145 ms 1 405 0.00 MB/sec execute 24 sec latency 31518.399 ms 1 405 0.00 MB/sec execute 25 sec latency 32518.815 ms 1 405 0.00 MB/sec execute 26 sec latency 33519.147 ms 1 405 0.00 MB/sec execute 27 sec latency 34519.427 ms 1 405 0.00 MB/sec execute 28 sec latency 35519.684 ms 1 405 0.00 MB/sec execute 29 sec latency 36520.467 ms 1 405 0.00 MB/sec execute 30 sec latency 37522.355 ms 1 405 0.00 MB/sec execute 31 sec latency 38522.580 ms 1 405 0.00 MB/sec execute 32 sec latency 39522.844 ms 1 405 0.00 MB/sec execute 33 sec latency 40525.814 ms 1 405 0.00 MB/sec execute 34 sec latency 41526.081 ms 1 405 0.00 MB/sec execute 35 sec latency 42536.467 ms 1 437 0.03 MB/sec execute 36 sec latency 42683.146 ms 1 492 0.08 MB/sec execute 37 sec latency 122.611 ms 1 525 0.10 MB/sec execute 38 sec latency 124.499 ms 1 618 0.17 MB/sec execute 39 sec latency 108.606 ms oleg241-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 664 0.17 MB/sec execute 40 sec latency 195.316 ms 1 689 0.17 MB/sec execute 41 sec latency 259.305 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 721 0.17 MB/sec execute 42 sec latency 126.344 ms 1 743 0.16 MB/sec execute 43 sec latency 165.099 ms 1 789 0.16 MB/sec execute 44 sec latency 179.569 ms 1 811 0.16 MB/sec execute 45 sec latency 253.948 ms 1 873 0.16 MB/sec execute 46 sec latency 94.371 ms 1 903 0.16 MB/sec execute 47 sec latency 173.643 ms 1 933 0.15 MB/sec execute 48 sec latency 281.787 ms 1 980 0.15 MB/sec execute 49 sec latency 115.161 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1041 0.17 MB/sec execute 50 sec latency 218.992 ms 1 1086 0.17 MB/sec execute 51 sec latency 83.745 ms 1 1154 0.17 MB/sec execute 52 sec latency 96.429 ms 1 1202 0.16 MB/sec execute 53 sec latency 84.261 ms 1 1252 0.16 MB/sec execute 54 sec latency 80.218 ms 1 1403 0.21 MB/sec execute 55 sec latency 83.679 ms 1 1461 0.21 MB/sec execute 56 sec latency 71.845 ms 1 1504 0.21 MB/sec execute 57 sec latency 268.590 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 11:52:39 EDT 2026 with return code 0 47237 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47237 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished