== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:16:59 (1784049419) Starting client oleg204-client.virtnet: -o user_xattr,flock 192.168.202.104@tcp:/lustre /mnt/lustre Started clients oleg204-client.virtnet: 192.168.202.104@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 65642 Started dbench loop with 65643 striped dir -i0 -c2 -H crush /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1764 1269540 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 5660 3593044 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7198520 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 Jul 14 13:17:06 EDT 2026 waiting for dbench pid 65720 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 8 0.00 MB/sec warmup 1 sec latency 91.138 ms 1 47 0.95 MB/sec warmup 2 sec latency 140.928 ms 1 91 1.39 MB/sec warmup 3 sec latency 167.095 ms 1 128 1.44 MB/sec warmup 4 sec latency 193.069 ms 1 155 1.30 MB/sec warmup 5 sec latency 178.698 ms 1 181 1.22 MB/sec warmup 6 sec latency 268.919 ms 1 197 1.12 MB/sec warmup 7 sec latency 403.018 ms 1 223 1.08 MB/sec warmup 8 sec latency 198.481 ms 1 271 1.13 MB/sec warmup 9 sec latency 151.391 ms test_26 fail mds1 1 times 1 302 1.11 MB/sec warmup 10 sec latency 173.188 ms 1 332 1.09 MB/sec warmup 11 sec latency 155.345 ms Failing mds1 on oleg204-server 1 374 1.11 MB/sec warmup 12 sec latency 173.200 ms Stopping /mnt/lustre-mds1 (opts:) on oleg204-server 1 413 1.12 MB/sec warmup 13 sec latency 152.571 ms 1 469 1.17 MB/sec warmup 14 sec latency 158.376 ms 1 501 1.16 MB/sec warmup 15 sec latency 302.043 ms 13:17:22 (1784049442) shut down facet: mds1 facet_host: oleg204-server facet_failover_host: oleg204-server 1 501 1.09 MB/sec warmup 16 sec latency 1303.833 ms 1 501 1.03 MB/sec warmup 17 sec latency 2304.091 ms 1 501 0.97 MB/sec warmup 18 sec latency 3304.318 ms 1 501 0.92 MB/sec warmup 19 sec latency 4304.871 ms 1 501 0.00 MB/sec execute 1 sec latency 6305.313 ms 1 501 0.00 MB/sec execute 2 sec latency 7306.310 ms 1 501 0.00 MB/sec execute 3 sec latency 8306.668 ms 1 501 0.00 MB/sec execute 4 sec latency 9307.148 ms 1 501 0.00 MB/sec execute 5 sec latency 10307.413 ms Failover mds1 to oleg204-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 11308.013 ms 1 501 0.00 MB/sec execute 7 sec latency 12309.072 ms 1 501 0.00 MB/sec execute 8 sec latency 13310.025 ms 1 501 0.00 MB/sec execute 9 sec latency 14310.175 ms 1 501 0.00 MB/sec execute 10 sec latency 15310.373 ms 1 501 0.00 MB/sec execute 11 sec latency 16316.540 ms 1 501 0.00 MB/sec execute 12 sec latency 17317.507 ms 1 501 0.00 MB/sec execute 13 sec latency 18318.334 ms 1 501 0.00 MB/sec execute 14 sec latency 19320.105 ms 1 501 0.00 MB/sec execute 15 sec latency 20320.364 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 16 sec latency 21320.998 ms 1 501 0.00 MB/sec execute 17 sec latency 22324.914 ms 1 501 0.00 MB/sec execute 18 sec latency 23325.158 ms 1 501 0.00 MB/sec execute 19 sec latency 24326.071 ms 1 501 0.00 MB/sec execute 20 sec latency 25326.409 ms 1 501 0.00 MB/sec execute 21 sec latency 26327.121 ms 1 501 0.00 MB/sec execute 22 sec latency 27327.423 ms 1 501 0.00 MB/sec execute 23 sec latency 28328.484 ms 1 501 0.00 MB/sec execute 24 sec latency 29329.862 ms 1 501 0.00 MB/sec execute 25 sec latency 30330.120 ms 1 501 0.00 MB/sec execute 26 sec latency 31330.482 ms oleg204-server: oleg204-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 27 sec latency 32333.363 ms pdsh@oleg204-client: oleg204-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 28 sec latency 33333.554 ms Started lustre-MDT0000 13:17:55 (1784049475) targets are mounted 13:17:55 (1784049475) facet_failover done 1 513 0.01 MB/sec execute 29 sec latency 34060.535 ms 1 552 0.05 MB/sec execute 30 sec latency 513.652 ms 1 616 0.11 MB/sec execute 31 sec latency 727.222 ms 1 664 0.12 MB/sec execute 32 sec latency 134.154 ms 1 699 0.11 MB/sec execute 33 sec latency 140.958 ms 1 726 0.11 MB/sec execute 34 sec latency 165.020 ms 1 762 0.11 MB/sec execute 35 sec latency 146.054 ms 1 789 0.11 MB/sec execute 36 sec latency 150.874 ms oleg204-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 811 0.11 MB/sec execute 37 sec latency 134.325 ms 1 863 0.11 MB/sec execute 38 sec latency 132.500 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 900 0.11 MB/sec execute 39 sec latency 137.611 ms 1 923 0.11 MB/sec execute 40 sec latency 108.618 ms 1 977 0.11 MB/sec execute 41 sec latency 110.598 ms 1 1025 0.13 MB/sec execute 42 sec latency 113.614 ms 1 1077 0.13 MB/sec execute 43 sec latency 107.590 ms 1 1126 0.13 MB/sec execute 44 sec latency 114.986 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1928 1269376 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35472 3569140 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20624 3584960 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 56096 7154100 1% /mnt/lustre 1 1156 0.12 MB/sec execute 45 sec latency 109.090 ms 1 1172 0.12 MB/sec execute 46 sec latency 618.366 ms 1 1193 0.12 MB/sec execute 47 sec latency 909.285 ms 1 1231 0.12 MB/sec execute 48 sec latency 90.137 ms 1 1259 0.11 MB/sec execute 49 sec latency 149.325 ms 1 1378 0.17 MB/sec execute 50 sec latency 155.421 ms 1 1403 0.17 MB/sec execute 51 sec latency 300.333 ms 1 1426 0.16 MB/sec execute 52 sec latency 573.802 ms 1 1468 0.16 MB/sec execute 53 sec latency 163.187 ms 1 1523 0.16 MB/sec execute 54 sec latency 96.832 ms test_26 fail mds2 2 times 1 1576 0.16 MB/sec execute 55 sec latency 74.530 ms 1 1619 0.16 MB/sec execute 56 sec latency 119.707 ms Failing mds2 on oleg204-server 1 1655 0.15 MB/sec execute 57 sec latency 128.258 ms Stopping /mnt/lustre-mds2 (opts:) on oleg204-server 1 1689 0.15 MB/sec execute 58 sec latency 158.798 ms 1 1736 0.15 MB/sec execute 59 sec latency 178.918 ms 1 1736 0.15 MB/sec execute 60 sec latency 1180.370 ms 1 1736 0.14 MB/sec execute 61 sec latency 2180.774 ms 1 1736 0.14 MB/sec execute 62 sec latency 3181.047 ms 1 1736 0.14 MB/sec execute 63 sec latency 4181.396 ms 1 1736 0.14 MB/sec execute 64 sec latency 5182.080 ms 1 1736 0.14 MB/sec execute 65 sec latency 6182.289 ms 1 1736 0.13 MB/sec execute 66 sec latency 7182.604 ms 1 1736 0.13 MB/sec execute 67 sec latency 8182.939 ms 13:18:34 (1784049514) shut down facet: mds2 facet_host: oleg204-server facet_failover_host: oleg204-server 1 1736 0.13 MB/sec execute 68 sec latency 9183.222 ms 1 1736 0.13 MB/sec execute 69 sec latency 10183.645 ms 1 1736 0.13 MB/sec execute 70 sec latency 11183.842 ms 1 1736 0.12 MB/sec execute 71 sec latency 12185.777 ms 1 1736 0.12 MB/sec execute 72 sec latency 13186.156 ms 1 1736 0.12 MB/sec execute 73 sec latency 14186.607 ms 1 1736 0.12 MB/sec execute 74 sec latency 15186.951 ms 1 1736 0.12 MB/sec execute 75 sec latency 16187.410 ms 1 1736 0.12 MB/sec execute 76 sec latency 17189.535 ms 1 1736 0.11 MB/sec execute 77 sec latency 18189.899 ms Failover mds2 to oleg204-server mount facets: mds2 1 1736 0.11 MB/sec execute 78 sec latency 19192.253 ms 1 1736 0.11 MB/sec execute 79 sec latency 20192.796 ms 1 1736 0.11 MB/sec execute 80 sec latency 21193.657 ms 1 1736 0.11 MB/sec execute 81 sec latency 22194.298 ms 1 1736 0.11 MB/sec execute 82 sec latency 23194.520 ms 1 1736 0.11 MB/sec execute 83 sec latency 24195.232 ms 1 1736 0.10 MB/sec execute 84 sec latency 25195.596 ms 1 1736 0.10 MB/sec execute 85 sec latency 26196.509 ms 1 1736 0.10 MB/sec execute 86 sec latency 27196.890 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1736 0.10 MB/sec execute 87 sec latency 28199.975 ms 1 1736 0.10 MB/sec execute 88 sec latency 29200.522 ms 1 1736 0.10 MB/sec execute 89 sec latency 30202.042 ms 1 1736 0.10 MB/sec execute 90 sec latency 31202.243 ms 1 1736 0.10 MB/sec execute 91 sec latency 32202.443 ms 1 1736 0.10 MB/sec execute 92 sec latency 33203.067 ms 1 1736 0.09 MB/sec execute 93 sec latency 34203.222 ms oleg204-server: oleg204-server.virtnet: executing set_default_debug -1 all 1 1736 0.09 MB/sec execute 94 sec latency 35203.423 ms 1 1736 0.09 MB/sec execute 95 sec latency 36203.780 ms pdsh@oleg204-client: oleg204-server: ssh exited with exit code 1 1 1736 0.09 MB/sec execute 96 sec latency 37206.037 ms Started lustre-MDT0001 13:19:03 (1784049543) targets are mounted 13:19:03 (1784049543) facet_failover done 1 1749 0.09 MB/sec execute 97 sec latency 38006.176 ms 1 1795 0.09 MB/sec execute 98 sec latency 83.074 ms 1 1832 0.09 MB/sec execute 99 sec latency 162.099 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg204-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 251 348.764 38006.157 Close 196 13.777 57.163 Rename 11 95.648 158.772 Unlink 24 27.312 51.317 Qpathinfo 188 19.493 113.191 Qfileinfo 55 2.193 16.645 Qfsinfo 33 4.724 28.233 Sfileinfo 34 74.093 155.393 Find 71 14.636 46.599 WriteX 189 13.481 72.383 ReadX 292 0.251 23.391 Flush 27 64.834 161.604 Throughput 0.0896229 MB/sec 1 clients 1 procs max_latency=38006.176 ms stopping dbench on /mnt/lustre at Tue Jul 14 13:19:11 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished 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 2336 1268968 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 18292 3587728 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20152 3586012 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 38444 7173740 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 Jul 14 13:19:22 EDT 2026 waiting for dbench pid 67883 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 14 0.00 MB/sec warmup 1 sec latency 4.189 ms 1 62 1.31 MB/sec warmup 2 sec latency 81.978 ms 1 113 1.74 MB/sec warmup 3 sec latency 103.079 ms 1 137 1.50 MB/sec warmup 4 sec latency 486.665 ms 1 139 1.20 MB/sec warmup 5 sec latency 1468.716 ms 1 160 1.09 MB/sec warmup 6 sec latency 250.694 ms 1 184 1.05 MB/sec warmup 7 sec latency 362.639 ms 1 215 1.04 MB/sec warmup 8 sec latency 403.854 ms test_26 fail mds1 3 times 1 247 1.04 MB/sec warmup 9 sec latency 157.565 ms 1 279 1.04 MB/sec warmup 10 sec latency 188.493 ms Failing mds1 on oleg204-server 1 300 0.99 MB/sec warmup 11 sec latency 206.645 ms 1 327 0.98 MB/sec warmup 12 sec latency 195.480 ms Stopping /mnt/lustre-mds1 (opts:) on oleg204-server 1 358 0.98 MB/sec warmup 13 sec latency 174.631 ms 1 402 1.01 MB/sec warmup 14 sec latency 219.859 ms 1 445 1.04 MB/sec warmup 15 sec latency 112.094 ms 1 478 1.04 MB/sec warmup 16 sec latency 146.863 ms 1 501 1.03 MB/sec warmup 17 sec latency 292.941 ms 1 501 0.97 MB/sec warmup 18 sec latency 1293.130 ms 1 501 0.92 MB/sec warmup 19 sec latency 2293.376 ms 1 501 0.00 MB/sec execute 1 sec latency 4299.184 ms 1 501 0.00 MB/sec execute 2 sec latency 5299.427 ms 13:19:45 (1784049585) shut down facet: mds1 facet_host: oleg204-server facet_failover_host: oleg204-server 1 501 0.00 MB/sec execute 3 sec latency 6299.799 ms 1 501 0.00 MB/sec execute 4 sec latency 7300.211 ms 1 501 0.00 MB/sec execute 5 sec latency 8303.280 ms 1 501 0.00 MB/sec execute 6 sec latency 9303.670 ms 1 501 0.00 MB/sec execute 7 sec latency 10305.523 ms 1 501 0.00 MB/sec execute 8 sec latency 11307.410 ms 1 501 0.00 MB/sec execute 9 sec latency 12307.936 ms 1 501 0.00 MB/sec execute 10 sec latency 13308.856 ms 1 501 0.00 MB/sec execute 11 sec latency 14310.599 ms 1 501 0.00 MB/sec execute 12 sec latency 15310.943 ms 1 501 0.00 MB/sec execute 13 sec latency 16311.492 ms Failover mds1 to oleg204-server mount facets: mds1 1 501 0.00 MB/sec execute 14 sec latency 17311.818 ms 1 501 0.00 MB/sec execute 15 sec latency 18314.255 ms 1 501 0.00 MB/sec execute 16 sec latency 19321.935 ms 1 501 0.00 MB/sec execute 17 sec latency 20325.372 ms 1 501 0.00 MB/sec execute 18 sec latency 21325.640 ms 1 501 0.00 MB/sec execute 19 sec latency 22325.900 ms 1 501 0.00 MB/sec execute 20 sec latency 23327.408 ms 1 501 0.00 MB/sec execute 21 sec latency 24328.107 ms 1 501 0.00 MB/sec execute 22 sec latency 25328.409 ms 1 501 0.00 MB/sec execute 23 sec latency 26331.526 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 24 sec latency 27331.902 ms 1 501 0.00 MB/sec execute 25 sec latency 28332.216 ms 1 501 0.00 MB/sec execute 26 sec latency 29332.848 ms 1 501 0.00 MB/sec execute 27 sec latency 30333.216 ms 1 501 0.00 MB/sec execute 28 sec latency 31334.982 ms 1 501 0.00 MB/sec execute 29 sec latency 32335.250 ms 1 501 0.00 MB/sec execute 30 sec latency 33335.567 ms 1 501 0.00 MB/sec execute 31 sec latency 34336.374 ms 1 501 0.00 MB/sec execute 32 sec latency 35336.613 ms 1 501 0.00 MB/sec execute 33 sec latency 36337.194 ms 1 501 0.00 MB/sec execute 34 sec latency 37337.531 ms 1 501 0.00 MB/sec execute 35 sec latency 38338.163 ms oleg204-server: oleg204-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 36 sec latency 39340.600 ms pdsh@oleg204-client: oleg204-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 37 sec latency 40351.455 ms 1 503 0.00 MB/sec execute 38 sec latency 41237.307 ms Started lustre-MDT0000 13:20:21 (1784049621) targets are mounted 13:20:21 (1784049621) facet_failover done 1 542 0.04 MB/sec execute 39 sec latency 203.090 ms 1 636 0.09 MB/sec execute 40 sec latency 118.022 ms 1 667 0.09 MB/sec execute 41 sec latency 158.511 ms 1 695 0.09 MB/sec execute 42 sec latency 137.007 ms 1 721 0.09 MB/sec execute 43 sec latency 150.781 ms 1 759 0.09 MB/sec execute 44 sec latency 133.070 ms 1 781 0.09 MB/sec execute 45 sec latency 153.330 ms oleg204-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 806 0.09 MB/sec execute 46 sec latency 135.011 ms 1 861 0.09 MB/sec execute 47 sec latency 98.844 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 884 0.09 MB/sec execute 48 sec latency 128.942 ms 1 885 0.09 MB/sec execute 49 sec latency 1161.916 ms 1 914 0.09 MB/sec execute 50 sec latency 180.010 ms 1 952 0.08 MB/sec execute 51 sec latency 128.340 ms 1 981 0.09 MB/sec execute 52 sec latency 128.172 ms 1 1045 0.10 MB/sec execute 53 sec latency 112.088 ms 1 1086 0.10 MB/sec execute 54 sec latency 77.703 ms 1 1142 0.10 MB/sec execute 55 sec latency 96.100 ms 1 1190 0.10 MB/sec execute 56 sec latency 116.159 ms 1 1224 0.10 MB/sec execute 57 sec latency 112.948 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1264 0.10 MB/sec execute 58 sec latency 126.415 ms 1 1401 0.14 MB/sec execute 59 sec latency 96.945 ms 1 1429 0.14 MB/sec execute 60 sec latency 154.276 ms 1 1467 0.14 MB/sec execute 61 sec latency 328.082 ms 1 1504 0.14 MB/sec execute 62 sec latency 379.688 ms 1 1552 0.14 MB/sec execute 63 sec latency 85.827 ms 1 1609 0.14 MB/sec execute 64 sec latency 84.541 ms 1 1647 0.13 MB/sec execute 65 sec latency 199.607 ms 1 1687 0.13 MB/sec execute 66 sec latency 118.709 ms 1 1733 0.13 MB/sec execute 67 sec latency 127.024 ms 1 1808 0.13 MB/sec execute 68 sec latency 80.568 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Jul 14 13:20:52 EDT 2026 with return code 0 1 1845 0.13 MB/sec execute 69 sec latency 100.303 ms 67883 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67883 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished