== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:03:21 (1787839401) Starting client oleg113-client.virtnet: -o user_xattr,flock 192.168.201.113@tcp:/lustre /mnt/lustre Started clients oleg113-client.virtnet: 192.168.201.113@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 65646 Started dbench loop with 65648 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584780 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190256 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 Aug 27 10:03:27 EDT 2026 waiting for dbench pid 65727 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 10 0.00 MB/sec warmup 1 sec latency 41.227 ms 1 59 1.21 MB/sec warmup 2 sec latency 137.434 ms 1 111 1.74 MB/sec warmup 3 sec latency 140.730 ms 1 137 1.50 MB/sec warmup 4 sec latency 229.955 ms 1 166 1.36 MB/sec warmup 5 sec latency 174.730 ms 1 181 1.22 MB/sec warmup 6 sec latency 749.291 ms 1 184 1.05 MB/sec warmup 7 sec latency 1182.915 ms 1 223 1.08 MB/sec warmup 8 sec latency 623.049 ms 1 272 1.13 MB/sec warmup 9 sec latency 107.123 ms test_26 fail mds1 1 times 1 322 1.17 MB/sec warmup 10 sec latency 125.026 ms 1 357 1.16 MB/sec warmup 11 sec latency 127.981 ms Failing mds1 on oleg113-server 1 406 1.19 MB/sec warmup 12 sec latency 144.201 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 453 1.22 MB/sec warmup 13 sec latency 134.206 ms 1 460 1.15 MB/sec warmup 14 sec latency 929.693 ms 1 460 1.08 MB/sec warmup 15 sec latency 1937.721 ms 10:03:42 (1787839422) shut down facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 460 1.01 MB/sec warmup 16 sec latency 2937.931 ms 1 460 0.95 MB/sec warmup 17 sec latency 3938.811 ms 1 460 0.90 MB/sec warmup 18 sec latency 4941.435 ms 1 460 0.85 MB/sec warmup 19 sec latency 5942.990 ms 1 460 0.00 MB/sec execute 1 sec latency 7944.030 ms 1 460 0.00 MB/sec execute 2 sec latency 8944.279 ms 1 460 0.00 MB/sec execute 3 sec latency 9944.579 ms 1 460 0.00 MB/sec execute 4 sec latency 10944.812 ms 1 460 0.00 MB/sec execute 5 sec latency 11945.065 ms Failover mds1 to oleg113-server mount facets: mds1 1 460 0.00 MB/sec execute 6 sec latency 12954.048 ms 1 460 0.00 MB/sec execute 7 sec latency 13954.676 ms 1 460 0.00 MB/sec execute 8 sec latency 14954.904 ms 1 460 0.00 MB/sec execute 9 sec latency 15955.157 ms 1 460 0.00 MB/sec execute 10 sec latency 16955.388 ms 1 460 0.00 MB/sec execute 11 sec latency 17955.662 ms 1 460 0.00 MB/sec execute 12 sec latency 18956.732 ms 1 460 0.00 MB/sec execute 13 sec latency 19957.005 ms 1 460 0.00 MB/sec execute 14 sec latency 20957.525 ms 1 460 0.00 MB/sec execute 15 sec latency 21958.299 ms 1 460 0.00 MB/sec execute 16 sec latency 22959.502 ms 1 460 0.00 MB/sec execute 17 sec latency 23961.072 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 18 sec latency 24961.278 ms 1 460 0.00 MB/sec execute 19 sec latency 25962.202 ms 1 460 0.00 MB/sec execute 20 sec latency 26964.379 ms 1 460 0.00 MB/sec execute 21 sec latency 27964.656 ms 1 460 0.00 MB/sec execute 22 sec latency 28971.532 ms 1 460 0.00 MB/sec execute 23 sec latency 29974.431 ms 1 460 0.00 MB/sec execute 24 sec latency 30974.613 ms 1 460 0.00 MB/sec execute 25 sec latency 31975.616 ms 1 460 0.00 MB/sec execute 26 sec latency 32976.133 ms 1 460 0.00 MB/sec execute 27 sec latency 33976.700 ms 1 460 0.00 MB/sec execute 28 sec latency 34977.009 ms 1 460 0.00 MB/sec execute 29 sec latency 35978.700 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 30 sec latency 36978.922 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 31 sec latency 37979.117 ms 1 465 0.00 MB/sec execute 32 sec latency 38669.123 ms Started lustre-MDT0000 10:04:19 (1787839459) targets are mounted 10:04:19 (1787839459) facet_failover done 1 501 0.04 MB/sec execute 33 sec latency 191.009 ms 1 542 0.09 MB/sec execute 34 sec latency 170.942 ms 1 573 0.09 MB/sec execute 35 sec latency 726.751 ms 1 639 0.14 MB/sec execute 36 sec latency 92.084 ms 1 671 0.14 MB/sec execute 37 sec latency 120.830 ms 1 703 0.13 MB/sec execute 38 sec latency 137.518 ms 1 733 0.13 MB/sec execute 39 sec latency 112.311 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 762 0.13 MB/sec execute 40 sec latency 163.565 ms 1 781 0.13 MB/sec execute 41 sec latency 142.124 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 806 0.13 MB/sec execute 42 sec latency 159.270 ms 1 849 0.13 MB/sec execute 43 sec latency 124.355 ms 1 874 0.12 MB/sec execute 44 sec latency 156.838 ms 1 905 0.12 MB/sec execute 45 sec latency 169.546 ms 1 937 0.12 MB/sec execute 46 sec latency 107.967 ms 1 975 0.12 MB/sec execute 47 sec latency 117.660 ms 1 1038 0.14 MB/sec execute 48 sec latency 102.678 ms 1 1077 0.14 MB/sec execute 49 sec latency 102.273 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 37384 3567752 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 16976 3586632 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54360 7154384 1% /mnt/lustre 1 1118 0.14 MB/sec execute 50 sec latency 122.988 ms 1 1145 0.13 MB/sec execute 51 sec latency 153.090 ms 1 1172 0.13 MB/sec execute 52 sec latency 207.819 ms 1 1172 0.13 MB/sec execute 53 sec latency 1177.994 ms 1 1200 0.13 MB/sec execute 54 sec latency 1341.733 ms 1 1236 0.13 MB/sec execute 55 sec latency 146.382 ms 1 1268 0.12 MB/sec execute 56 sec latency 196.087 ms 1 1390 0.17 MB/sec execute 57 sec latency 106.799 ms 1 1421 0.17 MB/sec execute 58 sec latency 112.905 ms 1 1459 0.17 MB/sec execute 59 sec latency 113.254 ms 1 1511 0.16 MB/sec execute 60 sec latency 88.025 ms 1 1565 0.16 MB/sec execute 61 sec latency 101.875 ms test_26 fail mds2 2 times 1 1603 0.16 MB/sec execute 62 sec latency 113.982 ms 1 1636 0.16 MB/sec execute 63 sec latency 114.581 ms Failing mds2 on oleg113-server 1 1660 0.16 MB/sec execute 64 sec latency 148.237 ms Stopping /mnt/lustre-mds2 (opts:) on oleg113-server 1 1686 0.15 MB/sec execute 65 sec latency 251.914 ms 1 1721 0.15 MB/sec execute 66 sec latency 205.629 ms 1 1777 0.15 MB/sec execute 67 sec latency 77.995 ms 1 1830 0.15 MB/sec execute 68 sec latency 105.468 ms 1 1868 0.15 MB/sec execute 69 sec latency 140.163 ms 1 1924 0.15 MB/sec execute 70 sec latency 111.413 ms 1 1984 0.14 MB/sec execute 71 sec latency 102.397 ms 10:04:58 (1787839498) shut down facet: mds2 facet_host: oleg113-server facet_failover_host: oleg113-server 1 2063 0.15 MB/sec execute 72 sec latency 130.438 ms 1 2156 0.14 MB/sec execute 73 sec latency 56.896 ms 1 2226 0.14 MB/sec execute 74 sec latency 80.755 ms 1 2259 0.14 MB/sec execute 75 sec latency 765.073 ms 1 2259 0.14 MB/sec execute 76 sec latency 1765.258 ms 1 2259 0.14 MB/sec execute 77 sec latency 2765.837 ms 1 2259 0.14 MB/sec execute 78 sec latency 3766.277 ms 1 2259 0.13 MB/sec execute 79 sec latency 4766.618 ms 1 2259 0.13 MB/sec execute 80 sec latency 5768.358 ms 1 2259 0.13 MB/sec execute 81 sec latency 6768.569 ms Failover mds2 to oleg113-server mount facets: mds2 1 2259 0.13 MB/sec execute 82 sec latency 7768.846 ms 1 2259 0.13 MB/sec execute 83 sec latency 8773.507 ms 1 2259 0.13 MB/sec execute 84 sec latency 9774.772 ms 1 2259 0.12 MB/sec execute 85 sec latency 10776.383 ms 1 2259 0.12 MB/sec execute 86 sec latency 11776.634 ms 1 2259 0.12 MB/sec execute 87 sec latency 12776.853 ms 1 2259 0.12 MB/sec execute 88 sec latency 13777.098 ms 1 2259 0.12 MB/sec execute 89 sec latency 14778.224 ms 1 2259 0.12 MB/sec execute 90 sec latency 15781.336 ms 1 2259 0.12 MB/sec execute 91 sec latency 16784.156 ms 1 2259 0.12 MB/sec execute 92 sec latency 17784.495 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 93 sec latency 18784.765 ms 1 2259 0.11 MB/sec execute 94 sec latency 19784.999 ms 1 2259 0.11 MB/sec execute 95 sec latency 20785.330 ms 1 2259 0.11 MB/sec execute 96 sec latency 21787.567 ms 1 2259 0.11 MB/sec execute 97 sec latency 22787.808 ms 1 2259 0.11 MB/sec execute 98 sec latency 23788.086 ms 1 2259 0.11 MB/sec execute 99 sec latency 24788.298 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec 1 cleanup 101 sec pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 cleanup 102 sec Started lustre-MDT0001 10:05:29 (1787839529) targets are mounted 10:05:29 (1787839529) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 325 147.226 28707.733 Close 282 151.113 38669.099 Rename 11 124.881 207.797 Unlink 30 25.051 49.718 Qpathinfo 295 16.068 146.362 Qfileinfo 74 1.790 15.540 Qfsinfo 33 5.761 24.742 Sfileinfo 34 74.308 169.530 Find 92 13.352 65.542 WriteX 246 13.227 96.758 ReadX 348 3.518 112.028 Flush 30 67.989 156.823 Throughput 0.10713 MB/sec 1 clients 1 procs max_latency=38669.123 ms stopping dbench on /mnt/lustre at Thu Aug 27 10:05:34 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 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 Thu Aug 27 10:05:42 EDT 2026 waiting for dbench pid 67804 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 20 0.39 MB/sec warmup 1 sec latency 11.708 ms 1 88 2.03 MB/sec warmup 2 sec latency 93.499 ms 1 129 1.92 MB/sec warmup 3 sec latency 177.974 ms 1 147 1.57 MB/sec warmup 4 sec latency 247.002 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2568 3604172 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44068 3560592 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164764 1% /mnt/lustre 1 173 1.41 MB/sec warmup 5 sec latency 264.357 ms 1 185 1.23 MB/sec warmup 6 sec latency 632.245 ms 1 210 1.16 MB/sec warmup 7 sec latency 160.209 ms 1 239 1.14 MB/sec warmup 8 sec latency 177.205 ms 1 266 1.10 MB/sec warmup 9 sec latency 188.238 ms 1 301 1.10 MB/sec warmup 10 sec latency 147.215 ms 1 339 1.11 MB/sec warmup 11 sec latency 157.589 ms 1 339 1.02 MB/sec warmup 12 sec latency 1057.935 ms 1 361 0.98 MB/sec warmup 13 sec latency 1313.269 ms 1 408 1.02 MB/sec warmup 14 sec latency 129.650 ms 1 453 1.06 MB/sec warmup 15 sec latency 146.054 ms test_26 fail mds1 3 times 1 501 1.09 MB/sec warmup 16 sec latency 139.419 ms 1 527 1.07 MB/sec warmup 17 sec latency 149.629 ms Failing mds1 on oleg113-server 1 606 1.16 MB/sec warmup 18 sec latency 109.629 ms Stopping /mnt/lustre-mds1 (opts:) on oleg113-server 1 661 1.11 MB/sec warmup 19 sec latency 146.651 ms 1 699 0.00 MB/sec execute 1 sec latency 1032.950 ms 1 699 0.00 MB/sec execute 2 sec latency 2033.145 ms 10:06:05 (1787839565) shut down facet: mds1 facet_host: oleg113-server facet_failover_host: oleg113-server 1 699 0.00 MB/sec execute 3 sec latency 3034.055 ms 1 699 0.00 MB/sec execute 4 sec latency 4034.367 ms 1 699 0.00 MB/sec execute 5 sec latency 5034.638 ms 1 699 0.00 MB/sec execute 6 sec latency 6034.838 ms 1 699 0.00 MB/sec execute 7 sec latency 7035.111 ms 1 699 0.00 MB/sec execute 8 sec latency 8035.640 ms 1 699 0.00 MB/sec execute 9 sec latency 9035.902 ms 1 699 0.00 MB/sec execute 10 sec latency 10037.050 ms 1 699 0.00 MB/sec execute 11 sec latency 11037.246 ms 1 699 0.00 MB/sec execute 12 sec latency 12039.767 ms Failover mds1 to oleg113-server 1 699 0.00 MB/sec execute 13 sec latency 13041.685 ms mount facets: mds1 1 699 0.00 MB/sec execute 14 sec latency 14042.793 ms 1 699 0.00 MB/sec execute 15 sec latency 15042.959 ms 1 699 0.00 MB/sec execute 16 sec latency 16043.203 ms 1 699 0.00 MB/sec execute 17 sec latency 17043.445 ms 1 699 0.00 MB/sec execute 18 sec latency 18045.265 ms 1 699 0.00 MB/sec execute 19 sec latency 19045.593 ms 1 699 0.00 MB/sec execute 20 sec latency 20045.786 ms 1 699 0.00 MB/sec execute 21 sec latency 21049.115 ms 1 699 0.00 MB/sec execute 22 sec latency 22049.397 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 699 0.00 MB/sec execute 23 sec latency 23049.941 ms 1 699 0.00 MB/sec execute 24 sec latency 24050.396 ms 1 699 0.00 MB/sec execute 25 sec latency 25053.391 ms 1 699 0.00 MB/sec execute 26 sec latency 26054.054 ms 1 699 0.00 MB/sec execute 27 sec latency 27059.383 ms 1 699 0.00 MB/sec execute 28 sec latency 28061.445 ms 1 699 0.00 MB/sec execute 29 sec latency 29061.932 ms 1 699 0.00 MB/sec execute 30 sec latency 30064.464 ms 1 699 0.00 MB/sec execute 31 sec latency 31064.735 ms 1 699 0.00 MB/sec execute 32 sec latency 32064.931 ms 1 699 0.00 MB/sec execute 33 sec latency 33065.854 ms 1 699 0.00 MB/sec execute 34 sec latency 34066.390 ms 1 699 0.00 MB/sec execute 35 sec latency 35066.779 ms 1 699 0.00 MB/sec execute 36 sec latency 36067.051 ms oleg113-server: oleg113-server.virtnet: executing set_default_debug -1 all 1 699 0.00 MB/sec execute 37 sec latency 37067.864 ms 1 699 0.00 MB/sec execute 38 sec latency 38068.090 ms pdsh@oleg113-client: oleg113-server: ssh exited with exit code 1 1 699 0.00 MB/sec execute 39 sec latency 39068.996 ms 1 718 0.00 MB/sec execute 40 sec latency 39448.964 ms Started lustre-MDT0000 10:06:43 (1787839603) targets are mounted 10:06:43 (1787839603) facet_failover done 1 747 0.00 MB/sec execute 41 sec latency 122.810 ms 1 789 0.01 MB/sec execute 42 sec latency 141.764 ms 1 815 0.01 MB/sec execute 43 sec latency 153.704 ms 1 857 0.01 MB/sec execute 44 sec latency 117.204 ms 1 884 0.01 MB/sec execute 45 sec latency 140.384 ms 1 884 0.01 MB/sec execute 46 sec latency 1048.044 ms 1 900 0.01 MB/sec execute 47 sec latency 1440.822 ms 1 916 0.01 MB/sec execute 48 sec latency 171.420 ms oleg113-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 949 0.01 MB/sec execute 49 sec latency 103.632 ms 1 970 0.01 MB/sec execute 50 sec latency 140.205 ms 1 985 0.01 MB/sec execute 51 sec latency 259.559 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1028 0.03 MB/sec execute 52 sec latency 201.266 ms 1 1060 0.03 MB/sec execute 53 sec latency 156.845 ms 1 1085 0.03 MB/sec execute 54 sec latency 155.686 ms 1 1127 0.03 MB/sec execute 55 sec latency 98.135 ms 1 1147 0.03 MB/sec execute 56 sec latency 175.037 ms 1 1180 0.03 MB/sec execute 57 sec latency 174.651 ms 1 1207 0.03 MB/sec execute 58 sec latency 136.516 ms 1 1229 0.03 MB/sec execute 59 sec latency 148.153 ms 1 1255 0.03 MB/sec execute 60 sec latency 193.223 ms 1 1378 0.08 MB/sec execute 61 sec latency 159.811 ms 1 1419 0.08 MB/sec execute 62 sec latency 108.079 ms 1 1464 0.08 MB/sec execute 63 sec latency 100.855 ms 1 1490 0.08 MB/sec execute 64 sec latency 498.807 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1529 0.08 MB/sec execute 65 sec latency 116.922 ms 1 1578 0.07 MB/sec execute 66 sec latency 66.692 ms 1 1619 0.07 MB/sec execute 67 sec latency 139.702 ms 1 1664 0.07 MB/sec execute 68 sec latency 100.656 ms 1 1701 0.07 MB/sec execute 69 sec latency 108.704 ms 1 1767 0.07 MB/sec execute 70 sec latency 86.840 ms 1 1821 0.07 MB/sec execute 71 sec latency 74.477 ms 1 1849 0.07 MB/sec execute 72 sec latency 205.097 ms 1 1905 0.07 MB/sec execute 73 sec latency 245.537 ms 1 1964 0.07 MB/sec execute 74 sec latency 93.622 ms 1 2036 0.07 MB/sec execute 75 sec latency 81.284 ms 1 2107 0.07 MB/sec execute 76 sec latency 121.203 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 10:07:19 EDT 2026 with return code 0 67804 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67804 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished