== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:44:57 (1784940297) Starting client oleg210-client.virtnet: -o user_xattr,flock 192.168.202.110@tcp:/lustre /mnt/lustre Started clients oleg210-client.virtnet: 192.168.202.110@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 65667 Started dbench loop with 65668 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1964 1269340 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3593012 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198488 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 Jul 24 20:45:03 EDT 2026 waiting for dbench pid 65744 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 28 0.92 MB/sec warmup 1 sec latency 12.400 ms 1 78 1.70 MB/sec warmup 2 sec latency 133.234 ms 1 117 1.77 MB/sec warmup 3 sec latency 187.165 ms 1 157 1.63 MB/sec warmup 4 sec latency 172.902 ms 1 184 1.48 MB/sec warmup 5 sec latency 375.557 ms 1 215 1.39 MB/sec warmup 6 sec latency 450.851 ms 1 256 1.38 MB/sec warmup 7 sec latency 143.318 ms 1 298 1.37 MB/sec warmup 8 sec latency 107.075 ms test_26 fail mds1 1 times 1 339 1.36 MB/sec warmup 9 sec latency 126.340 ms 1 373 1.33 MB/sec warmup 10 sec latency 150.697 ms Failing mds1 on oleg210-server 1 406 1.30 MB/sec warmup 11 sec latency 157.470 ms Stopping /mnt/lustre-mds1 (opts:) on oleg210-server 1 440 1.28 MB/sec warmup 12 sec latency 146.609 ms 1 485 1.30 MB/sec warmup 13 sec latency 224.273 ms 1 501 1.25 MB/sec warmup 14 sec latency 643.755 ms 20:45:18 (1784940318) shut down facet: mds1 facet_host: oleg210-server facet_failover_host: oleg210-server 1 501 1.16 MB/sec warmup 15 sec latency 1643.965 ms 1 501 1.09 MB/sec warmup 16 sec latency 2644.536 ms 1 501 1.03 MB/sec warmup 17 sec latency 3654.155 ms 1 501 0.97 MB/sec warmup 18 sec latency 4654.352 ms 1 501 0.92 MB/sec warmup 19 sec latency 5655.699 ms 1 501 0.00 MB/sec execute 1 sec latency 7656.304 ms 1 501 0.00 MB/sec execute 2 sec latency 8656.565 ms 1 501 0.00 MB/sec execute 3 sec latency 9656.798 ms 1 501 0.00 MB/sec execute 4 sec latency 10657.639 ms 1 501 0.00 MB/sec execute 5 sec latency 11660.725 ms Failover mds1 to oleg210-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 12661.261 ms 1 501 0.00 MB/sec execute 7 sec latency 13664.167 ms 1 501 0.00 MB/sec execute 8 sec latency 14664.377 ms 1 501 0.00 MB/sec execute 9 sec latency 15664.624 ms 1 501 0.00 MB/sec execute 10 sec latency 16664.854 ms 1 501 0.00 MB/sec execute 11 sec latency 17665.058 ms 1 501 0.00 MB/sec execute 12 sec latency 18665.239 ms 1 501 0.00 MB/sec execute 13 sec latency 19665.441 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 14 sec latency 20665.903 ms 1 501 0.00 MB/sec execute 15 sec latency 21666.308 ms 1 501 0.00 MB/sec execute 16 sec latency 22666.556 ms 1 501 0.00 MB/sec execute 17 sec latency 23667.009 ms 1 501 0.00 MB/sec execute 18 sec latency 24667.221 ms 1 501 0.00 MB/sec execute 19 sec latency 25669.871 ms 1 501 0.00 MB/sec execute 20 sec latency 26670.836 ms 1 501 0.00 MB/sec execute 21 sec latency 27672.384 ms 1 501 0.00 MB/sec execute 22 sec latency 28673.338 ms 1 501 0.00 MB/sec execute 23 sec latency 29673.741 ms 1 501 0.00 MB/sec execute 24 sec latency 30674.085 ms 1 501 0.00 MB/sec execute 25 sec latency 31674.308 ms 1 501 0.00 MB/sec execute 26 sec latency 32675.762 ms 1 501 0.00 MB/sec execute 27 sec latency 33675.992 ms 1 501 0.00 MB/sec execute 28 sec latency 34676.296 ms 1 501 0.00 MB/sec execute 29 sec latency 35676.653 ms oleg210-server: oleg210-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 30 sec latency 36679.089 ms 1 501 0.00 MB/sec execute 31 sec latency 37679.440 ms pdsh@oleg210-client: oleg210-server: ssh exited with exit code 1 Started lustre-MDT0000 1 501 0.00 MB/sec execute 32 sec latency 38681.358 ms 20:45:55 (1784940355) targets are mounted 20:45:55 (1784940355) facet_failover done 1 540 0.05 MB/sec execute 33 sec latency 38927.735 ms 1 581 0.07 MB/sec execute 34 sec latency 606.132 ms 1 640 0.10 MB/sec execute 35 sec latency 121.619 ms 1 678 0.10 MB/sec execute 36 sec latency 133.032 ms 1 711 0.10 MB/sec execute 37 sec latency 156.889 ms 1 736 0.10 MB/sec execute 38 sec latency 153.828 ms oleg210-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 776 0.10 MB/sec execute 39 sec latency 153.546 ms 1 803 0.10 MB/sec execute 40 sec latency 125.671 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 849 0.10 MB/sec execute 41 sec latency 119.078 ms 1 885 0.10 MB/sec execute 42 sec latency 103.004 ms 1 921 0.10 MB/sec execute 43 sec latency 105.553 ms 1 959 0.10 MB/sec execute 44 sec latency 120.543 ms 1 990 0.10 MB/sec execute 45 sec latency 133.956 ms 1 1074 0.12 MB/sec execute 46 sec latency 73.583 ms 1 1134 0.12 MB/sec execute 47 sec latency 84.343 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1932 1269372 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44036 3553224 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11528 3592964 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55564 7146188 1% /mnt/lustre 1 1172 0.12 MB/sec execute 48 sec latency 178.809 ms 1 1177 0.11 MB/sec execute 49 sec latency 904.462 ms 1 1224 0.11 MB/sec execute 50 sec latency 127.474 ms 1 1268 0.11 MB/sec execute 51 sec latency 83.623 ms 1 1418 0.16 MB/sec execute 52 sec latency 77.921 ms 1 1453 0.16 MB/sec execute 53 sec latency 243.316 ms 1 1499 0.16 MB/sec execute 54 sec latency 130.089 ms 1 1564 0.16 MB/sec execute 55 sec latency 76.315 ms test_26 fail mds2 2 times 1 1622 0.16 MB/sec execute 56 sec latency 97.311 ms 1 1673 0.15 MB/sec execute 57 sec latency 82.310 ms Failing mds2 on oleg210-server Stopping /mnt/lustre-mds2 (opts:) on oleg210-server 1 1711 0.15 MB/sec execute 58 sec latency 114.273 ms 1 1764 0.15 MB/sec execute 59 sec latency 173.395 ms 1 1764 0.15 MB/sec execute 60 sec latency 1174.362 ms 1 1764 0.14 MB/sec execute 61 sec latency 2174.824 ms 1 1764 0.14 MB/sec execute 62 sec latency 3175.113 ms 1 1764 0.14 MB/sec execute 63 sec latency 4178.191 ms 1 1764 0.14 MB/sec execute 64 sec latency 5178.388 ms 1 1764 0.14 MB/sec execute 65 sec latency 6178.528 ms 1 1764 0.13 MB/sec execute 66 sec latency 7179.443 ms 20:46:30 (1784940390) shut down facet: mds2 facet_host: oleg210-server facet_failover_host: oleg210-server 1 1764 0.13 MB/sec execute 67 sec latency 8180.200 ms 1 1764 0.13 MB/sec execute 68 sec latency 9180.408 ms 1 1764 0.13 MB/sec execute 69 sec latency 10180.786 ms 1 1764 0.13 MB/sec execute 70 sec latency 11180.996 ms 1 1764 0.12 MB/sec execute 71 sec latency 12181.335 ms 1 1764 0.12 MB/sec execute 72 sec latency 13184.203 ms 1 1764 0.12 MB/sec execute 73 sec latency 14184.432 ms 1 1764 0.12 MB/sec execute 74 sec latency 15184.714 ms 1 1764 0.12 MB/sec execute 75 sec latency 16186.546 ms 1 1764 0.12 MB/sec execute 76 sec latency 17187.197 ms 1 1764 0.11 MB/sec execute 77 sec latency 18187.422 ms Failover mds2 to oleg210-server mount facets: mds2 1 1764 0.11 MB/sec execute 78 sec latency 19191.386 ms 1 1764 0.11 MB/sec execute 79 sec latency 20193.162 ms 1 1764 0.11 MB/sec execute 80 sec latency 21198.469 ms 1 1764 0.11 MB/sec execute 81 sec latency 22198.743 ms 1 1764 0.11 MB/sec execute 82 sec latency 23198.889 ms 1 1764 0.11 MB/sec execute 83 sec latency 24199.049 ms 1 1764 0.10 MB/sec execute 84 sec latency 25199.633 ms 1 1764 0.10 MB/sec execute 85 sec latency 26201.651 ms 1 1764 0.10 MB/sec execute 86 sec latency 27202.396 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1764 0.10 MB/sec execute 87 sec latency 28202.589 ms 1 1764 0.10 MB/sec execute 88 sec latency 29202.792 ms 1 1764 0.10 MB/sec execute 89 sec latency 30203.011 ms 1 1764 0.10 MB/sec execute 90 sec latency 31203.159 ms 1 1764 0.10 MB/sec execute 91 sec latency 32203.568 ms 1 1764 0.10 MB/sec execute 92 sec latency 33204.638 ms oleg210-server: oleg210-server.virtnet: executing set_default_debug -1 all 1 1764 0.09 MB/sec execute 93 sec latency 34204.844 ms pdsh@oleg210-client: oleg210-server: ssh exited with exit code 1 1 1764 0.09 MB/sec execute 94 sec latency 35206.207 ms Started lustre-MDT0001 20:46:58 (1784940418) targets are mounted 20:46:58 (1784940418) facet_failover done 1 1764 0.09 MB/sec execute 95 sec latency 36206.652 ms 1 1803 0.09 MB/sec execute 96 sec latency 36492.956 ms 1 1834 0.09 MB/sec execute 97 sec latency 174.084 ms 1 1884 0.09 MB/sec execute 98 sec latency 90.269 ms 1 1954 0.09 MB/sec execute 99 sec latency 78.019 ms 1 cleanup 100 sec oleg210-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 265 200.669 38927.721 Close 225 12.616 46.640 Rename 11 92.257 156.837 Unlink 27 25.857 46.863 Qpathinfo 233 171.976 36492.934 Qfileinfo 60 2.696 18.763 Qfsinfo 33 5.221 31.015 Sfileinfo 34 60.316 133.014 Find 77 10.667 61.321 WriteX 202 12.699 75.842 ReadX 303 0.192 21.690 Flush 30 56.891 98.091 Throughput 0.0906578 MB/sec 1 clients 1 procs max_latency=38927.735 ms stopping dbench on /mnt/lustre at Fri Jul 24 20:47:08 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 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 2272 1269032 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2164 1269140 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11864 3590084 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12312 3594464 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 24176 7184548 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 Jul 24 20:47:16 EDT 2026 waiting for dbench pid 67924 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 9 0.00 MB/sec warmup 1 sec latency 9.670 ms 1 56 1.11 MB/sec warmup 2 sec latency 91.419 ms 1 111 1.74 MB/sec warmup 3 sec latency 150.728 ms 1 139 1.50 MB/sec warmup 4 sec latency 201.772 ms 1 155 1.31 MB/sec warmup 5 sec latency 656.840 ms 1 178 1.20 MB/sec warmup 6 sec latency 933.937 ms 1 203 1.13 MB/sec warmup 7 sec latency 329.777 ms 1 247 1.17 MB/sec warmup 8 sec latency 120.786 ms test_26 fail mds1 3 times 1 279 1.16 MB/sec warmup 9 sec latency 166.011 ms 1 305 1.12 MB/sec warmup 10 sec latency 166.222 ms Failing mds1 on oleg210-server 1 332 1.09 MB/sec warmup 11 sec latency 154.025 ms Stopping /mnt/lustre-mds1 (opts:) on oleg210-server 1 365 1.08 MB/sec warmup 12 sec latency 142.794 ms 1 395 1.08 MB/sec warmup 13 sec latency 161.005 ms 1 396 1.00 MB/sec warmup 14 sec latency 999.474 ms 1 396 0.94 MB/sec warmup 15 sec latency 1999.622 ms 20:47:32 (1784940452) shut down 1 396 0.88 MB/sec warmup 16 sec latency 3002.754 ms facet: mds1 facet_host: oleg210-server facet_failover_host: oleg210-server 1 396 0.83 MB/sec warmup 17 sec latency 4003.101 ms 1 396 0.78 MB/sec warmup 18 sec latency 5003.452 ms 1 396 0.74 MB/sec warmup 19 sec latency 6006.992 ms 1 396 0.00 MB/sec execute 1 sec latency 8007.879 ms 1 396 0.00 MB/sec execute 2 sec latency 9008.084 ms 1 396 0.00 MB/sec execute 3 sec latency 10008.669 ms 1 396 0.00 MB/sec execute 4 sec latency 11008.855 ms 1 396 0.00 MB/sec execute 5 sec latency 12009.059 ms 1 396 0.00 MB/sec execute 6 sec latency 13010.542 ms Failover mds1 to oleg210-server mount facets: mds1 1 396 0.00 MB/sec execute 7 sec latency 14010.742 ms 1 396 0.00 MB/sec execute 8 sec latency 15011.298 ms 1 396 0.00 MB/sec execute 9 sec latency 16011.570 ms 1 396 0.00 MB/sec execute 10 sec latency 17012.922 ms 1 396 0.00 MB/sec execute 11 sec latency 18018.826 ms 1 396 0.00 MB/sec execute 12 sec latency 19019.329 ms 1 396 0.00 MB/sec execute 13 sec latency 20020.762 ms 1 396 0.00 MB/sec execute 14 sec latency 21020.971 ms 1 396 0.00 MB/sec execute 15 sec latency 22021.196 ms 1 396 0.00 MB/sec execute 16 sec latency 23021.580 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 396 0.00 MB/sec execute 17 sec latency 24022.370 ms 1 396 0.00 MB/sec execute 18 sec latency 25022.543 ms 1 396 0.00 MB/sec execute 19 sec latency 26022.770 ms 1 396 0.00 MB/sec execute 20 sec latency 27022.950 ms 1 396 0.00 MB/sec execute 21 sec latency 28024.038 ms 1 396 0.00 MB/sec execute 22 sec latency 29025.019 ms 1 396 0.00 MB/sec execute 23 sec latency 30025.468 ms 1 396 0.00 MB/sec execute 24 sec latency 31025.669 ms 1 396 0.00 MB/sec execute 25 sec latency 32027.303 ms 1 396 0.00 MB/sec execute 26 sec latency 33027.790 ms oleg210-server: oleg210-server.virtnet: executing set_default_debug -1 all 1 396 0.00 MB/sec execute 27 sec latency 34028.279 ms pdsh@oleg210-client: oleg210-server: ssh exited with exit code 1 1 396 0.00 MB/sec execute 28 sec latency 35028.465 ms Started lustre-MDT0000 20:48:05 (1784940485) targets are mounted 20:48:05 (1784940485) facet_failover done 1 396 0.00 MB/sec execute 29 sec latency 36029.419 ms 1 413 0.02 MB/sec execute 30 sec latency 36385.997 ms 1 453 0.06 MB/sec execute 31 sec latency 120.823 ms 1 478 0.08 MB/sec execute 32 sec latency 193.464 ms 1 511 0.11 MB/sec execute 33 sec latency 142.365 ms 1 543 0.15 MB/sec execute 34 sec latency 165.773 ms 1 559 0.14 MB/sec execute 35 sec latency 881.877 ms 1 609 0.19 MB/sec execute 36 sec latency 75.220 ms oleg210-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 653 0.19 MB/sec execute 37 sec latency 174.094 ms 1 676 0.19 MB/sec execute 38 sec latency 238.299 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.18 MB/sec execute 39 sec latency 217.824 ms 1 716 0.18 MB/sec execute 40 sec latency 174.822 ms 1 736 0.18 MB/sec execute 41 sec latency 176.468 ms 1 779 0.17 MB/sec execute 42 sec latency 139.506 ms 1 804 0.17 MB/sec execute 43 sec latency 180.476 ms 1 825 0.17 MB/sec execute 44 sec latency 142.035 ms 1 873 0.17 MB/sec execute 45 sec latency 142.568 ms 1 903 0.16 MB/sec execute 46 sec latency 138.984 ms 1 940 0.16 MB/sec execute 47 sec latency 99.301 ms 1 977 0.16 MB/sec execute 48 sec latency 174.066 ms 1 1036 0.18 MB/sec execute 49 sec latency 125.194 ms 1 1077 0.18 MB/sec execute 50 sec latency 108.655 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1156 0.17 MB/sec execute 51 sec latency 56.382 ms 1 1181 0.17 MB/sec execute 52 sec latency 554.493 ms 1 1257 0.17 MB/sec execute 53 sec latency 79.789 ms 1 1389 0.22 MB/sec execute 54 sec latency 150.387 ms 1 1421 0.22 MB/sec execute 55 sec latency 143.126 ms 1 1461 0.21 MB/sec execute 56 sec latency 93.514 ms 1 1502 0.21 MB/sec execute 57 sec latency 160.261 ms 1 1557 0.21 MB/sec execute 58 sec latency 86.593 ms 1 1619 0.20 MB/sec execute 59 sec latency 63.943 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jul 24 20:48:36 EDT 2026 with return code 0 67924 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67924 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished