== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:50:40 (1788922240) Starting client oleg139-client.virtnet: -o user_xattr,flock 192.168.201.139@tcp:/lustre /mnt/lustre Started clients oleg139-client.virtnet: 192.168.201.139@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 65635 Started dbench loop with 65636 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13852 3584852 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190328 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 8 22:50:45 EDT 2026 waiting for dbench pid 65713 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 16 0.13 MB/sec warmup 1 sec latency 16.410 ms 1 69 1.54 MB/sec warmup 2 sec latency 118.088 ms 1 111 1.74 MB/sec warmup 3 sec latency 202.775 ms 1 139 1.50 MB/sec warmup 4 sec latency 218.432 ms 1 169 1.37 MB/sec warmup 5 sec latency 168.514 ms 1 181 1.22 MB/sec warmup 6 sec latency 701.237 ms 1 184 1.05 MB/sec warmup 7 sec latency 1088.081 ms 1 213 1.03 MB/sec warmup 8 sec latency 667.163 ms 1 255 1.07 MB/sec warmup 9 sec latency 148.996 ms test_26 fail mds1 1 times 1 294 1.08 MB/sec warmup 10 sec latency 111.540 ms 1 323 1.06 MB/sec warmup 11 sec latency 165.241 ms Failing mds1 on oleg139-server 1 349 1.04 MB/sec warmup 12 sec latency 198.329 ms Stopping /mnt/lustre-mds1 (opts:) on oleg139-server 1 390 1.06 MB/sec warmup 13 sec latency 148.651 ms 1 424 1.06 MB/sec warmup 14 sec latency 155.965 ms 1 428 1.01 MB/sec warmup 15 sec latency 939.036 ms 1 428 0.94 MB/sec warmup 16 sec latency 1940.125 ms 1 428 0.89 MB/sec warmup 17 sec latency 2941.067 ms 22:51:03 (1788922263) shut down facet: mds1 facet_host: oleg139-server facet_failover_host: oleg139-server 1 428 0.84 MB/sec warmup 18 sec latency 3941.271 ms 1 428 0.79 MB/sec warmup 19 sec latency 4948.131 ms 1 428 0.00 MB/sec execute 1 sec latency 6950.247 ms 1 428 0.00 MB/sec execute 2 sec latency 7950.404 ms 1 428 0.00 MB/sec execute 3 sec latency 8950.699 ms 1 428 0.00 MB/sec execute 4 sec latency 9951.537 ms 1 428 0.00 MB/sec execute 5 sec latency 10951.852 ms 1 428 0.00 MB/sec execute 6 sec latency 11952.434 ms 1 428 0.00 MB/sec execute 7 sec latency 12953.283 ms Failover mds1 to oleg139-server mount facets: mds1 1 428 0.00 MB/sec execute 8 sec latency 13959.144 ms 1 428 0.00 MB/sec execute 9 sec latency 14959.550 ms 1 428 0.00 MB/sec execute 10 sec latency 15960.160 ms 1 428 0.00 MB/sec execute 11 sec latency 16984.256 ms 1 428 0.00 MB/sec execute 12 sec latency 17985.947 ms 1 428 0.00 MB/sec execute 13 sec latency 18986.296 ms 1 428 0.00 MB/sec execute 14 sec latency 19993.354 ms 1 428 0.00 MB/sec execute 15 sec latency 20993.549 ms 1 428 0.00 MB/sec execute 16 sec latency 21994.026 ms 1 428 0.00 MB/sec execute 17 sec latency 22994.248 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 18 sec latency 23994.516 ms 1 428 0.00 MB/sec execute 19 sec latency 24996.582 ms 1 428 0.00 MB/sec execute 20 sec latency 25996.842 ms 1 428 0.00 MB/sec execute 21 sec latency 26997.374 ms 1 428 0.00 MB/sec execute 22 sec latency 27997.622 ms 1 428 0.00 MB/sec execute 23 sec latency 28997.977 ms 1 428 0.00 MB/sec execute 24 sec latency 29999.090 ms 1 428 0.00 MB/sec execute 25 sec latency 30999.280 ms 1 428 0.00 MB/sec execute 26 sec latency 31999.488 ms 1 428 0.00 MB/sec execute 27 sec latency 33000.037 ms oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 28 sec latency 34000.220 ms 1 428 0.00 MB/sec execute 29 sec latency 35000.724 ms pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 30 sec latency 36013.985 ms Started lustre-MDT0000 22:51:37 (1788922297) targets are mounted 22:51:37 (1788922297) facet_failover done 1 429 0.00 MB/sec execute 31 sec latency 36825.603 ms 1 458 0.03 MB/sec execute 32 sec latency 236.264 ms 1 493 0.06 MB/sec execute 33 sec latency 136.417 ms 1 522 0.09 MB/sec execute 34 sec latency 163.860 ms 1 552 0.11 MB/sec execute 35 sec latency 316.974 ms 1 586 0.14 MB/sec execute 36 sec latency 1024.445 ms 1 612 0.16 MB/sec execute 37 sec latency 217.002 ms 1 650 0.16 MB/sec execute 38 sec latency 157.620 ms 1 673 0.15 MB/sec execute 39 sec latency 171.761 ms oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 699 0.15 MB/sec execute 40 sec latency 160.390 ms 1 721 0.15 MB/sec execute 41 sec latency 195.025 ms 1 735 0.15 MB/sec execute 42 sec latency 226.015 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 759 0.14 MB/sec execute 43 sec latency 205.459 ms 1 780 0.14 MB/sec execute 44 sec latency 192.593 ms 1 801 0.14 MB/sec execute 45 sec latency 217.638 ms 1 811 0.14 MB/sec execute 46 sec latency 303.014 ms 1 851 0.14 MB/sec execute 47 sec latency 159.963 ms 1 877 0.14 MB/sec execute 48 sec latency 148.504 ms 1 900 0.13 MB/sec execute 49 sec latency 171.689 ms 1 919 0.13 MB/sec execute 50 sec latency 170.197 ms 1 952 0.13 MB/sec execute 51 sec latency 115.677 ms 1 972 0.13 MB/sec execute 52 sec latency 258.317 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1936 1269368 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33644 3569908 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20468 3579912 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54112 7149820 1% /mnt/lustre 1 988 0.13 MB/sec execute 53 sec latency 164.903 ms 1 1037 0.14 MB/sec execute 54 sec latency 152.950 ms 1 1063 0.14 MB/sec execute 55 sec latency 155.173 ms 1 1099 0.14 MB/sec execute 56 sec latency 117.902 ms 1 1136 0.14 MB/sec execute 57 sec latency 122.935 ms 1 1163 0.14 MB/sec execute 58 sec latency 198.571 ms 1 1172 0.13 MB/sec execute 59 sec latency 712.582 ms 1 1190 0.13 MB/sec execute 60 sec latency 1169.244 ms 1 1224 0.13 MB/sec execute 61 sec latency 177.311 ms 1 1252 0.13 MB/sec execute 62 sec latency 175.694 ms 1 1386 0.17 MB/sec execute 63 sec latency 86.464 ms test_26 fail mds2 2 times 1 1422 0.17 MB/sec execute 64 sec latency 122.315 ms 1 1465 0.17 MB/sec execute 65 sec latency 96.122 ms Failing mds2 on oleg139-server 1 1499 0.17 MB/sec execute 66 sec latency 137.924 ms Stopping /mnt/lustre-mds2 (opts:) on oleg139-server 1 1538 0.16 MB/sec execute 67 sec latency 135.059 ms 1 1574 0.16 MB/sec execute 68 sec latency 146.187 ms 1 1632 0.16 MB/sec execute 69 sec latency 94.339 ms 1 1660 0.16 MB/sec execute 70 sec latency 159.322 ms 1 1698 0.16 MB/sec execute 71 sec latency 119.292 ms 22:52:17 (1788922337) shut down facet: mds2 facet_host: oleg139-server facet_failover_host: oleg139-server 1 1771 0.15 MB/sec execute 72 sec latency 100.739 ms 1 1849 0.15 MB/sec execute 73 sec latency 77.020 ms 1 1950 0.15 MB/sec execute 74 sec latency 110.495 ms 1 2032 0.15 MB/sec execute 75 sec latency 67.781 ms 1 2145 0.15 MB/sec execute 76 sec latency 53.486 ms 1 2200 0.15 MB/sec execute 77 sec latency 88.126 ms 1 2259 0.15 MB/sec execute 78 sec latency 522.322 ms 1 2259 0.15 MB/sec execute 79 sec latency 1522.679 ms 1 2259 0.15 MB/sec execute 80 sec latency 2522.977 ms 1 2259 0.14 MB/sec execute 81 sec latency 3523.221 ms Failover mds2 to oleg139-server mount facets: mds2 1 2259 0.14 MB/sec execute 82 sec latency 4523.400 ms 1 2259 0.14 MB/sec execute 83 sec latency 5523.783 ms 1 2259 0.14 MB/sec execute 84 sec latency 6525.484 ms 1 2259 0.14 MB/sec execute 85 sec latency 7530.669 ms 1 2259 0.14 MB/sec execute 86 sec latency 8531.908 ms 1 2259 0.13 MB/sec execute 87 sec latency 9532.121 ms 1 2259 0.13 MB/sec execute 88 sec latency 10532.376 ms 1 2259 0.13 MB/sec execute 89 sec latency 11532.612 ms 1 2259 0.13 MB/sec execute 90 sec latency 12533.261 ms 1 2259 0.13 MB/sec execute 91 sec latency 13536.574 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 92 sec latency 14540.699 ms 1 2259 0.13 MB/sec execute 93 sec latency 15541.307 ms 1 2259 0.12 MB/sec execute 94 sec latency 16543.048 ms 1 2259 0.12 MB/sec execute 95 sec latency 17544.877 ms 1 2259 0.12 MB/sec execute 96 sec latency 18545.757 ms 1 2259 0.12 MB/sec execute 97 sec latency 19545.979 ms 1 2259 0.12 MB/sec execute 98 sec latency 20547.099 ms 1 2259 0.12 MB/sec execute 99 sec latency 21547.865 ms 1 cleanup 100 sec oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 cleanup 102 sec 1 cleanup 103 sec Started lustre-MDT0001 22:52:49 (1788922369) targets are mounted 22:52:49 (1788922369) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 140.804 25029.068 Close 286 141.554 36825.581 Rename 11 124.555 195.003 Unlink 30 26.805 80.621 Qpathinfo 295 16.389 198.534 Qfileinfo 78 2.032 16.720 Qfsinfo 33 6.958 77.278 Sfileinfo 34 85.907 225.993 Find 92 16.527 216.988 WriteX 266 16.165 107.025 ReadX 348 3.339 104.513 Flush 30 80.147 171.198 Throughput 0.117508 MB/sec 1 clients 1 procs max_latency=36825.603 ms stopping dbench on /mnt/lustre at Tue Sep 8 22:52:52 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-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 8 22:53:02 EDT 2026 waiting for dbench pid 67792 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 22 0.52 MB/sec warmup 1 sec latency 24.106 ms 1 73 1.56 MB/sec warmup 2 sec latency 111.359 ms 1 128 1.91 MB/sec warmup 3 sec latency 133.802 ms 1 157 1.63 MB/sec warmup 4 sec latency 178.637 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2404 1268900 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2476 3604544 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44752 3560468 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165012 1% /mnt/lustre 1 184 1.47 MB/sec warmup 5 sec latency 241.444 ms 1 206 1.35 MB/sec warmup 6 sec latency 420.071 ms 1 247 1.34 MB/sec warmup 7 sec latency 103.655 ms 1 279 1.30 MB/sec warmup 8 sec latency 168.001 ms 1 305 1.24 MB/sec warmup 9 sec latency 236.363 ms 1 339 1.22 MB/sec warmup 10 sec latency 172.924 ms 1 339 1.11 MB/sec warmup 11 sec latency 1032.007 ms 1 352 1.04 MB/sec warmup 12 sec latency 1307.356 ms 1 381 1.04 MB/sec warmup 13 sec latency 158.482 ms 1 422 1.06 MB/sec warmup 14 sec latency 118.098 ms test_26 fail mds1 3 times 1 469 1.09 MB/sec warmup 15 sec latency 93.838 ms 1 500 1.09 MB/sec warmup 16 sec latency 136.468 ms 1 522 1.06 MB/sec warmup 17 sec latency 184.401 ms Failing mds1 on oleg139-server Stopping /mnt/lustre-mds1 (opts:) on oleg139-server 1 606 1.16 MB/sec warmup 18 sec latency 239.329 ms 1 660 1.11 MB/sec warmup 19 sec latency 103.517 ms 1 660 0.00 MB/sec execute 1 sec latency 2050.406 ms 1 660 0.00 MB/sec execute 2 sec latency 3050.764 ms 1 660 0.00 MB/sec execute 3 sec latency 4051.131 ms 1 660 0.00 MB/sec execute 4 sec latency 5051.512 ms 1 660 0.00 MB/sec execute 5 sec latency 6067.884 ms 1 660 0.00 MB/sec execute 6 sec latency 7068.036 ms 22:53:29 (1788922409) shut down 1 660 0.00 MB/sec execute 7 sec latency 8072.367 ms facet: mds1 facet_host: oleg139-server facet_failover_host: oleg139-server 1 660 0.00 MB/sec execute 8 sec latency 9077.215 ms 1 660 0.00 MB/sec execute 9 sec latency 10079.104 ms 1 660 0.00 MB/sec execute 10 sec latency 11079.328 ms 1 660 0.00 MB/sec execute 11 sec latency 12079.692 ms 1 660 0.00 MB/sec execute 12 sec latency 13080.489 ms 1 660 0.00 MB/sec execute 13 sec latency 14081.485 ms 1 660 0.00 MB/sec execute 14 sec latency 15081.966 ms 1 660 0.00 MB/sec execute 15 sec latency 16082.387 ms 1 660 0.00 MB/sec execute 16 sec latency 17083.566 ms 1 660 0.00 MB/sec execute 17 sec latency 18084.500 ms Failover mds1 to oleg139-server mount facets: mds1 1 660 0.00 MB/sec execute 18 sec latency 19084.844 ms 1 660 0.00 MB/sec execute 19 sec latency 20085.105 ms 1 660 0.00 MB/sec execute 20 sec latency 21088.443 ms 1 660 0.00 MB/sec execute 21 sec latency 22089.095 ms 1 660 0.00 MB/sec execute 22 sec latency 23089.748 ms 1 660 0.00 MB/sec execute 23 sec latency 24089.996 ms 1 660 0.00 MB/sec execute 24 sec latency 25090.608 ms 1 660 0.00 MB/sec execute 25 sec latency 26091.846 ms 1 660 0.00 MB/sec execute 26 sec latency 27092.442 ms 1 660 0.00 MB/sec execute 27 sec latency 28096.341 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 660 0.00 MB/sec execute 28 sec latency 29112.696 ms 1 660 0.00 MB/sec execute 29 sec latency 30112.937 ms 1 660 0.00 MB/sec execute 30 sec latency 31113.167 ms 1 660 0.00 MB/sec execute 31 sec latency 32113.927 ms 1 660 0.00 MB/sec execute 32 sec latency 33114.861 ms 1 660 0.00 MB/sec execute 33 sec latency 34118.986 ms 1 660 0.00 MB/sec execute 34 sec latency 35119.220 ms 1 660 0.00 MB/sec execute 35 sec latency 36119.938 ms 1 660 0.00 MB/sec execute 36 sec latency 37120.458 ms 1 660 0.00 MB/sec execute 37 sec latency 38120.732 ms 1 660 0.00 MB/sec execute 38 sec latency 39120.960 ms 1 660 0.00 MB/sec execute 39 sec latency 40121.361 ms 1 660 0.00 MB/sec execute 40 sec latency 41121.980 ms 1 660 0.00 MB/sec execute 41 sec latency 42122.558 ms oleg139-server: oleg139-server.virtnet: executing set_default_debug -1 all 1 660 0.00 MB/sec execute 42 sec latency 43122.792 ms pdsh@oleg139-client: oleg139-server: ssh exited with exit code 1 1 660 0.00 MB/sec execute 43 sec latency 44125.378 ms Started lustre-MDT0000 22:54:06 (1788922446) targets are mounted 22:54:06 (1788922446) facet_failover done 1 692 0.00 MB/sec execute 44 sec latency 44239.608 ms 1 731 0.00 MB/sec execute 45 sec latency 102.744 ms 1 765 0.00 MB/sec execute 46 sec latency 160.742 ms 1 789 0.01 MB/sec execute 47 sec latency 130.032 ms 1 815 0.01 MB/sec execute 48 sec latency 143.015 ms 1 870 0.01 MB/sec execute 49 sec latency 172.125 ms 1 884 0.01 MB/sec execute 50 sec latency 472.957 ms oleg139-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 885 0.01 MB/sec execute 51 sec latency 1435.073 ms 1 903 0.01 MB/sec execute 52 sec latency 248.691 ms 1 927 0.01 MB/sec execute 53 sec latency 131.641 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 962 0.01 MB/sec execute 54 sec latency 175.889 ms 1 986 0.01 MB/sec execute 55 sec latency 139.512 ms 1 1051 0.03 MB/sec execute 56 sec latency 134.102 ms 1 1095 0.03 MB/sec execute 57 sec latency 132.914 ms 1 1132 0.03 MB/sec execute 58 sec latency 151.774 ms 1 1156 0.03 MB/sec execute 59 sec latency 178.353 ms 1 1193 0.03 MB/sec execute 60 sec latency 109.217 ms 1 1233 0.03 MB/sec execute 61 sec latency 111.149 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1284 0.03 MB/sec execute 62 sec latency 100.988 ms 1 1405 0.08 MB/sec execute 63 sec latency 94.627 ms 1 1435 0.08 MB/sec execute 64 sec latency 116.435 ms 1 1467 0.07 MB/sec execute 65 sec latency 409.975 ms 1 1496 0.07 MB/sec execute 66 sec latency 499.855 ms 1 1532 0.07 MB/sec execute 67 sec latency 98.207 ms 1 1574 0.07 MB/sec execute 68 sec latency 78.034 ms 1 1613 0.07 MB/sec execute 69 sec latency 93.370 ms 1 1653 0.07 MB/sec execute 70 sec latency 120.761 ms 1 1689 0.07 MB/sec execute 71 sec latency 122.558 ms 1 1743 0.07 MB/sec execute 72 sec latency 94.730 ms 1 1795 0.07 MB/sec execute 73 sec latency 113.986 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 22:54:36 EDT 2026 with return code 0 1 1841 0.07 MB/sec execute 74 sec latency 98.728 ms 67792 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67792 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished