== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:31:21 (1781224281) Starting client oleg337-client.virtnet: -o user_xattr,flock 192.168.203.137@tcp:/lustre /mnt/lustre Started clients oleg337-client.virtnet: 192.168.203.137@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64915 Started dbench loop with 64916 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17928 3584916 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190372 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 Jun 11 20:31:27 EDT 2026 waiting for dbench pid 64995 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 0 9 0.00 MB/sec warmup 1 sec latency 3.609 ms 1 51 1.04 MB/sec warmup 2 sec latency 138.620 ms 1 91 1.39 MB/sec warmup 3 sec latency 213.184 ms 1 122 1.37 MB/sec warmup 4 sec latency 178.301 ms 1 147 1.25 MB/sec warmup 5 sec latency 221.373 ms 1 155 1.09 MB/sec warmup 6 sec latency 812.477 ms 1 155 0.93 MB/sec warmup 7 sec latency 1814.761 ms 1 173 0.88 MB/sec warmup 8 sec latency 2166.142 ms 1 189 0.84 MB/sec warmup 9 sec latency 550.577 ms 1 215 0.83 MB/sec warmup 10 sec latency 177.889 ms test_26 fail mds1 1 times 1 248 0.85 MB/sec warmup 11 sec latency 147.589 ms 1 279 0.87 MB/sec warmup 12 sec latency 162.052 ms 1 305 0.86 MB/sec warmup 13 sec latency 182.057 ms Failing mds1 on oleg337-server 1 331 0.86 MB/sec warmup 14 sec latency 188.589 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 350 0.83 MB/sec warmup 15 sec latency 189.675 ms 1 380 0.85 MB/sec warmup 16 sec latency 130.651 ms 1 380 0.80 MB/sec warmup 17 sec latency 1056.107 ms 1 380 0.75 MB/sec warmup 18 sec latency 2058.909 ms 20:31:46 (1781224306) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 380 0.71 MB/sec warmup 19 sec latency 3060.827 ms 1 380 0.00 MB/sec execute 1 sec latency 5062.093 ms 1 380 0.00 MB/sec execute 2 sec latency 6063.333 ms 1 380 0.00 MB/sec execute 3 sec latency 7063.580 ms 1 380 0.00 MB/sec execute 4 sec latency 8063.861 ms 1 380 0.00 MB/sec execute 5 sec latency 9064.479 ms 1 380 0.00 MB/sec execute 6 sec latency 10064.711 ms 1 380 0.00 MB/sec execute 7 sec latency 11064.980 ms 1 380 0.00 MB/sec execute 8 sec latency 12065.297 ms 1 380 0.00 MB/sec execute 9 sec latency 13065.718 ms Failover mds1 to oleg337-server mount facets: mds1 1 380 0.00 MB/sec execute 10 sec latency 14066.025 ms 1 380 0.00 MB/sec execute 11 sec latency 15066.224 ms 1 380 0.00 MB/sec execute 12 sec latency 16067.541 ms 1 380 0.00 MB/sec execute 13 sec latency 17068.361 ms 1 380 0.00 MB/sec execute 14 sec latency 18068.578 ms 1 380 0.00 MB/sec execute 15 sec latency 19068.957 ms 1 380 0.00 MB/sec execute 16 sec latency 20069.229 ms 1 380 0.00 MB/sec execute 17 sec latency 21069.822 ms 1 380 0.00 MB/sec execute 18 sec latency 22070.044 ms 1 380 0.00 MB/sec execute 19 sec latency 23070.460 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 380 0.00 MB/sec execute 20 sec latency 24071.271 ms 1 380 0.00 MB/sec execute 21 sec latency 25071.575 ms 1 380 0.00 MB/sec execute 22 sec latency 26071.844 ms 1 380 0.00 MB/sec execute 23 sec latency 27072.056 ms 1 380 0.00 MB/sec execute 24 sec latency 28072.255 ms 1 380 0.00 MB/sec execute 25 sec latency 29074.132 ms 1 380 0.00 MB/sec execute 26 sec latency 30074.322 ms 1 380 0.00 MB/sec execute 27 sec latency 31076.395 ms 1 380 0.00 MB/sec execute 28 sec latency 32079.661 ms 1 380 0.00 MB/sec execute 29 sec latency 33081.397 ms 1 380 0.00 MB/sec execute 30 sec latency 34081.598 ms 1 380 0.00 MB/sec execute 31 sec latency 35082.046 ms 1 380 0.00 MB/sec execute 32 sec latency 36082.383 ms 1 380 0.00 MB/sec execute 33 sec latency 37082.609 ms 1 380 0.00 MB/sec execute 34 sec latency 38082.986 ms 1 380 0.00 MB/sec execute 35 sec latency 39089.074 ms 1 380 0.00 MB/sec execute 36 sec latency 40090.162 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 37 sec latency 41090.530 ms 1 389 0.01 MB/sec execute 38 sec latency 41657.593 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 413 0.03 MB/sec execute 39 sec latency 225.808 ms Started lustre-MDT0000 20:32:27 (1781224347) targets are mounted 20:32:27 (1781224347) facet_failover done 1 441 0.05 MB/sec execute 40 sec latency 162.792 ms 1 469 0.07 MB/sec execute 41 sec latency 148.340 ms 1 500 0.09 MB/sec execute 42 sec latency 191.540 ms 1 513 0.10 MB/sec execute 43 sec latency 181.583 ms 1 542 0.13 MB/sec execute 44 sec latency 279.433 ms 1 552 0.12 MB/sec execute 45 sec latency 794.767 ms 1 612 0.16 MB/sec execute 46 sec latency 856.542 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 654 0.16 MB/sec execute 47 sec latency 119.674 ms 1 680 0.16 MB/sec execute 48 sec latency 134.634 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 708 0.16 MB/sec execute 49 sec latency 182.183 ms 1 731 0.15 MB/sec execute 50 sec latency 151.807 ms 1 767 0.15 MB/sec execute 51 sec latency 175.834 ms 1 799 0.15 MB/sec execute 52 sec latency 113.532 ms 1 827 0.15 MB/sec execute 53 sec latency 118.247 ms 1 873 0.15 MB/sec execute 54 sec latency 143.236 ms 1 902 0.15 MB/sec execute 55 sec latency 157.149 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2048 1269256 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1860 1269444 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9412 3592968 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 37880 3560676 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47292 7153644 1% /mnt/lustre 1 923 0.15 MB/sec execute 56 sec latency 145.443 ms 1 959 0.14 MB/sec execute 57 sec latency 119.954 ms 1 985 0.14 MB/sec execute 58 sec latency 181.992 ms 1 1028 0.16 MB/sec execute 59 sec latency 119.031 ms 1 1067 0.16 MB/sec execute 60 sec latency 82.210 ms 1 1105 0.15 MB/sec execute 61 sec latency 114.451 ms 1 1147 0.15 MB/sec execute 62 sec latency 91.665 ms 1 1172 0.15 MB/sec execute 63 sec latency 549.970 ms 1 1181 0.15 MB/sec execute 64 sec latency 951.310 ms 1 1221 0.15 MB/sec execute 65 sec latency 155.916 ms 1 1252 0.14 MB/sec execute 66 sec latency 108.236 ms test_26 fail mds2 2 times 1 1278 0.14 MB/sec execute 67 sec latency 127.989 ms 1 1399 0.18 MB/sec execute 68 sec latency 97.060 ms Failing mds2 on oleg337-server 1 1421 0.18 MB/sec execute 69 sec latency 133.135 ms 1 1459 0.18 MB/sec execute 70 sec latency 88.518 ms Stopping /mnt/lustre-mds2 (opts:) on oleg337-server 1 1492 0.18 MB/sec execute 71 sec latency 150.595 ms 1 1522 0.17 MB/sec execute 72 sec latency 118.900 ms 1 1570 0.17 MB/sec execute 73 sec latency 96.062 ms 1 1617 0.17 MB/sec execute 74 sec latency 104.225 ms 20:33:02 (1781224382) shut down facet: mds2 facet_host: oleg337-server facet_failover_host: oleg337-server 1 1655 0.17 MB/sec execute 75 sec latency 120.293 ms 1 1692 0.17 MB/sec execute 76 sec latency 110.521 ms 1 1758 0.16 MB/sec execute 77 sec latency 100.043 ms 1 1814 0.16 MB/sec execute 78 sec latency 103.922 ms 1 1859 0.16 MB/sec execute 79 sec latency 119.519 ms 1 1923 0.16 MB/sec execute 80 sec latency 76.454 ms 1 1980 0.16 MB/sec execute 81 sec latency 157.163 ms 1 2016 0.16 MB/sec execute 82 sec latency 145.573 ms 1 2080 0.16 MB/sec execute 83 sec latency 136.693 ms 1 2154 0.16 MB/sec execute 84 sec latency 73.531 ms Failover mds2 to oleg337-server 1 2191 0.15 MB/sec execute 85 sec latency 97.353 ms mount facets: mds2 1 2242 0.15 MB/sec execute 86 sec latency 138.552 ms 1 2259 0.15 MB/sec execute 87 sec latency 736.060 ms 1 2259 0.15 MB/sec execute 88 sec latency 1736.711 ms 1 2259 0.15 MB/sec execute 89 sec latency 2736.983 ms 1 2259 0.15 MB/sec execute 90 sec latency 3737.251 ms 1 2259 0.15 MB/sec execute 91 sec latency 4738.120 ms 1 2259 0.14 MB/sec execute 92 sec latency 5738.411 ms 1 2259 0.14 MB/sec execute 93 sec latency 6738.737 ms 1 2259 0.14 MB/sec execute 94 sec latency 7739.363 ms 1 2259 0.14 MB/sec execute 95 sec latency 8740.990 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 96 sec latency 9741.243 ms 1 2259 0.14 MB/sec execute 97 sec latency 10742.352 ms 1 2259 0.13 MB/sec execute 98 sec latency 11748.226 ms 1 2259 0.13 MB/sec execute 99 sec latency 12748.430 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 cleanup 102 sec pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 20:33:31 (1781224411) targets are mounted 20:33:31 (1781224411) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 0 cleanup 109 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 122.375 18161.474 Close 292 156.391 41657.560 Rename 11 98.688 181.958 Unlink 30 35.497 71.218 Qpathinfo 295 17.436 134.021 Qfileinfo 84 3.560 32.737 Qfsinfo 33 3.372 26.273 Sfileinfo 34 77.030 157.126 Find 92 13.674 59.999 WriteX 296 18.703 95.727 ReadX 348 2.746 118.871 Flush 30 67.085 155.295 Throughput 0.13334 MB/sec 1 clients 1 procs max_latency=41657.593 ms stopping dbench on /mnt/lustre at Thu Jun 11 20:33:36 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-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench 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 Jun 11 20:33:46 EDT 2026 waiting for dbench pid 67087 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2312 1268992 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 18276 3579284 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 16660 3585844 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 34936 7165128 1% /mnt/lustre 0 6 0.00 MB/sec warmup 1 sec latency 0.337 ms 1 35 0.55 MB/sec warmup 2 sec latency 159.100 ms 1 72 1.04 MB/sec warmup 3 sec latency 218.568 ms 1 113 1.31 MB/sec warmup 4 sec latency 263.224 ms 1 137 1.20 MB/sec warmup 5 sec latency 211.822 ms 1 157 1.09 MB/sec warmup 6 sec latency 218.282 ms 1 181 1.04 MB/sec warmup 7 sec latency 162.429 ms 1 189 0.95 MB/sec warmup 8 sec latency 675.112 ms 1 207 0.90 MB/sec warmup 9 sec latency 212.974 ms 1 236 0.90 MB/sec warmup 10 sec latency 212.107 ms 1 264 0.90 MB/sec warmup 11 sec latency 177.404 ms 1 313 0.96 MB/sec warmup 12 sec latency 125.293 ms 1 350 0.96 MB/sec warmup 13 sec latency 117.938 ms test_26 fail mds1 3 times 1 374 0.95 MB/sec warmup 14 sec latency 190.933 ms 1 405 0.95 MB/sec warmup 15 sec latency 190.633 ms Failing mds1 on oleg337-server 1 435 0.96 MB/sec warmup 16 sec latency 196.444 ms Stopping /mnt/lustre-mds1 (opts:) on oleg337-server 1 465 0.95 MB/sec warmup 17 sec latency 168.262 ms 1 493 0.95 MB/sec warmup 18 sec latency 165.491 ms 1 501 0.92 MB/sec warmup 19 sec latency 898.314 ms 20:34:07 (1781224447) shut down facet: mds1 facet_host: oleg337-server facet_failover_host: oleg337-server 1 501 0.00 MB/sec execute 1 sec latency 2901.126 ms 1 501 0.00 MB/sec execute 2 sec latency 3901.565 ms 1 501 0.00 MB/sec execute 3 sec latency 4901.822 ms 1 501 0.00 MB/sec execute 4 sec latency 5902.038 ms 1 501 0.00 MB/sec execute 5 sec latency 6904.059 ms 1 501 0.00 MB/sec execute 6 sec latency 7904.689 ms 1 501 0.00 MB/sec execute 7 sec latency 8905.133 ms 1 501 0.00 MB/sec execute 8 sec latency 9905.326 ms 1 501 0.00 MB/sec execute 9 sec latency 10905.603 ms 1 501 0.00 MB/sec execute 10 sec latency 11905.932 ms 1 501 0.00 MB/sec execute 11 sec latency 12907.518 ms Failover mds1 to oleg337-server mount facets: mds1 1 501 0.00 MB/sec execute 12 sec latency 13907.806 ms 1 501 0.00 MB/sec execute 13 sec latency 14909.733 ms 1 501 0.00 MB/sec execute 14 sec latency 15913.387 ms 1 501 0.00 MB/sec execute 15 sec latency 16914.103 ms 1 501 0.00 MB/sec execute 16 sec latency 17917.144 ms 1 501 0.00 MB/sec execute 17 sec latency 18920.201 ms 1 501 0.00 MB/sec execute 18 sec latency 19926.995 ms 1 501 0.00 MB/sec execute 19 sec latency 20933.553 ms 1 501 0.00 MB/sec execute 20 sec latency 21935.723 ms 1 501 0.00 MB/sec execute 21 sec latency 22936.213 ms 1 501 0.00 MB/sec execute 22 sec latency 23937.407 ms 1 501 0.00 MB/sec execute 23 sec latency 24937.664 ms 1 501 0.00 MB/sec execute 24 sec latency 25938.079 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 25 sec latency 26943.273 ms 1 501 0.00 MB/sec execute 26 sec latency 27943.661 ms 1 501 0.00 MB/sec execute 27 sec latency 28944.622 ms 1 501 0.00 MB/sec execute 28 sec latency 29945.166 ms 1 501 0.00 MB/sec execute 29 sec latency 30948.490 ms 1 501 0.00 MB/sec execute 30 sec latency 31948.758 ms 1 501 0.00 MB/sec execute 31 sec latency 32949.117 ms 1 501 0.00 MB/sec execute 32 sec latency 33949.562 ms oleg337-server: oleg337-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 33 sec latency 34950.424 ms pdsh@oleg337-client: oleg337-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 34 sec latency 35951.142 ms 1 507 0.00 MB/sec execute 35 sec latency 36606.203 ms Started lustre-MDT0000 20:34:42 (1781224482) targets are mounted 20:34:42 (1781224482) facet_failover done 1 539 0.04 MB/sec execute 36 sec latency 166.073 ms 1 561 0.04 MB/sec execute 37 sec latency 754.140 ms 1 606 0.09 MB/sec execute 38 sec latency 97.353 ms 1 654 0.09 MB/sec execute 39 sec latency 147.788 ms 1 678 0.09 MB/sec execute 40 sec latency 162.349 ms oleg337-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 706 0.09 MB/sec execute 41 sec latency 176.081 ms 1 731 0.09 MB/sec execute 42 sec latency 131.008 ms 1 759 0.09 MB/sec execute 43 sec latency 177.127 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 778 0.09 MB/sec execute 44 sec latency 193.972 ms 1 799 0.09 MB/sec execute 45 sec latency 225.873 ms 1 824 0.09 MB/sec execute 46 sec latency 151.415 ms 1 869 0.09 MB/sec execute 47 sec latency 146.553 ms 1 892 0.09 MB/sec execute 48 sec latency 136.497 ms 1 924 0.09 MB/sec execute 49 sec latency 99.301 ms 1 969 0.09 MB/sec execute 50 sec latency 90.852 ms 1 1000 0.09 MB/sec execute 51 sec latency 109.675 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1064 0.10 MB/sec execute 52 sec latency 75.815 ms 1 1122 0.10 MB/sec execute 53 sec latency 99.520 ms 1 1154 0.10 MB/sec execute 54 sec latency 143.550 ms 1 1172 0.10 MB/sec execute 55 sec latency 617.696 ms 1 1190 0.10 MB/sec execute 56 sec latency 959.964 ms 1 1232 0.10 MB/sec execute 57 sec latency 92.240 ms 1 1274 0.10 MB/sec execute 58 sec latency 100.014 ms 1 1403 0.14 MB/sec execute 59 sec latency 119.305 ms 1 1446 0.14 MB/sec execute 60 sec latency 117.327 ms 1 1492 0.14 MB/sec execute 61 sec latency 116.311 ms 1 1523 0.14 MB/sec execute 62 sec latency 127.443 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jun 11 20:35:09 EDT 2026 with return code 0 67087 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67087 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished