== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:52:28 (1787820748) Starting client oleg615-client.virtnet: -o user_xattr,flock 192.168.206.115@tcp:/lustre /mnt/lustre Started clients oleg615-client.virtnet: 192.168.206.115@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 45163 Started dbench loop with 45164 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 2210688 2176 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 22528 3728384 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3755008 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7483392 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 04:52:33 EDT 2026 waiting for dbench pid 45232 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 34 1.05 MB/sec warmup 1 sec latency 127.949 ms 1 109 2.59 MB/sec warmup 2 sec latency 137.554 ms 1 145 2.07 MB/sec warmup 3 sec latency 151.969 ms 1 185 1.85 MB/sec warmup 4 sec latency 154.088 ms test_26 fail mds1 1 times 1 237 1.81 MB/sec warmup 5 sec latency 97.446 ms 1 279 1.74 MB/sec warmup 6 sec latency 109.266 ms Failing mds1 on oleg615-server 1 315 1.64 MB/sec warmup 7 sec latency 131.795 ms Stopping /mnt/lustre-mds1 (opts:) on oleg615-server 1 349 1.56 MB/sec warmup 8 sec latency 142.366 ms 1 364 1.45 MB/sec warmup 9 sec latency 777.656 ms 1 364 1.30 MB/sec warmup 10 sec latency 1777.913 ms 04:52:44 (1787820764) shut down facet: mds1 facet_host: oleg615-server facet_failover_host: oleg615-server 1 364 1.18 MB/sec warmup 11 sec latency 2778.164 ms 1 364 1.09 MB/sec warmup 12 sec latency 3778.331 ms 1 364 1.00 MB/sec warmup 13 sec latency 4778.514 ms 1 364 0.93 MB/sec warmup 14 sec latency 5778.718 ms 1 364 0.87 MB/sec warmup 15 sec latency 6778.955 ms 1 364 0.81 MB/sec warmup 16 sec latency 7779.435 ms 1 364 0.77 MB/sec warmup 17 sec latency 8779.791 ms 1 364 0.72 MB/sec warmup 18 sec latency 9782.905 ms 1 364 0.69 MB/sec warmup 19 sec latency 10783.901 ms 1 364 0.00 MB/sec execute 1 sec latency 12784.347 ms Failover mds1 to oleg615-server mount facets: mds1 1 364 0.00 MB/sec execute 2 sec latency 13784.572 ms 1 364 0.00 MB/sec execute 3 sec latency 14786.031 ms 1 364 0.00 MB/sec execute 4 sec latency 15786.969 ms 1 364 0.00 MB/sec execute 5 sec latency 16788.758 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 364 0.00 MB/sec execute 6 sec latency 17789.035 ms 1 364 0.00 MB/sec execute 7 sec latency 18790.556 ms 1 364 0.00 MB/sec execute 8 sec latency 19791.191 ms 1 364 0.00 MB/sec execute 9 sec latency 20791.748 ms 1 364 0.00 MB/sec execute 10 sec latency 21792.055 ms 1 364 0.00 MB/sec execute 11 sec latency 22792.314 ms oleg615-server: oleg615-server.virtnet: executing set_default_debug -1 all 1 364 0.00 MB/sec execute 12 sec latency 23792.638 ms 1 372 0.02 MB/sec execute 13 sec latency 24234.410 ms pdsh@oleg615-client: oleg615-server: ssh exited with exit code 1 1 406 0.09 MB/sec execute 14 sec latency 164.785 ms Started lustre-MDT0000 04:53:08 (1787820788) targets are mounted 04:53:08 (1787820788) facet_failover done 1 444 0.17 MB/sec execute 15 sec latency 142.853 ms 1 490 0.25 MB/sec execute 16 sec latency 106.733 ms 1 525 0.29 MB/sec execute 17 sec latency 136.825 ms 1 612 0.44 MB/sec execute 18 sec latency 149.207 ms 1 664 0.43 MB/sec execute 19 sec latency 209.780 ms 1 699 0.41 MB/sec execute 20 sec latency 225.503 ms oleg615-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 733 0.39 MB/sec execute 21 sec latency 193.404 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.38 MB/sec execute 22 sec latency 122.309 ms 1 798 0.37 MB/sec execute 23 sec latency 189.763 ms 1 845 0.35 MB/sec execute 24 sec latency 111.313 ms 1 885 0.34 MB/sec execute 25 sec latency 161.664 ms 1 916 0.34 MB/sec execute 26 sec latency 179.324 ms 1 967 0.32 MB/sec execute 27 sec latency 103.840 ms 1 988 0.32 MB/sec execute 28 sec latency 240.931 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3679232 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 19456 3697664 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 57344 7376896 1% /mnt/lustre 1 1056 0.34 MB/sec execute 29 sec latency 80.202 ms 1 1112 0.33 MB/sec execute 30 sec latency 91.582 ms 1 1155 0.32 MB/sec execute 31 sec latency 160.678 ms 1 1197 0.31 MB/sec execute 32 sec latency 81.598 ms 1 1244 0.30 MB/sec execute 33 sec latency 96.167 ms test_26 fail mds1 2 times 1 1386 0.38 MB/sec execute 34 sec latency 76.407 ms 1 1442 0.37 MB/sec execute 35 sec latency 77.213 ms Failing mds1 on oleg615-server 1 1486 0.36 MB/sec execute 36 sec latency 243.856 ms Stopping /mnt/lustre-mds1 (opts:) on oleg615-server 1 1532 0.35 MB/sec execute 37 sec latency 115.310 ms 1 1552 0.34 MB/sec execute 38 sec latency 797.435 ms 1 1552 0.33 MB/sec execute 39 sec latency 1797.869 ms 04:53:33 (1787820813) shut down facet: mds1 facet_host: oleg615-server facet_failover_host: oleg615-server 1 1552 0.33 MB/sec execute 40 sec latency 2800.684 ms 1 1552 0.32 MB/sec execute 41 sec latency 3800.955 ms 1 1552 0.31 MB/sec execute 42 sec latency 4804.867 ms 1 1552 0.30 MB/sec execute 43 sec latency 5805.863 ms 1 1552 0.30 MB/sec execute 44 sec latency 6806.902 ms 1 1552 0.29 MB/sec execute 45 sec latency 7807.157 ms 1 1552 0.28 MB/sec execute 46 sec latency 8807.341 ms 1 1552 0.28 MB/sec execute 47 sec latency 9807.525 ms 1 1552 0.27 MB/sec execute 48 sec latency 10807.707 ms 1 1552 0.27 MB/sec execute 49 sec latency 11807.951 ms Failover mds1 to oleg615-server mount facets: mds1 1 1552 0.26 MB/sec execute 50 sec latency 12808.109 ms 1 1552 0.26 MB/sec execute 51 sec latency 13808.279 ms 1 1552 0.25 MB/sec execute 52 sec latency 14813.568 ms 1 1552 0.25 MB/sec execute 53 sec latency 15814.101 ms 1 1552 0.24 MB/sec execute 54 sec latency 16814.334 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1552 0.24 MB/sec execute 55 sec latency 17817.366 ms 1 1552 0.23 MB/sec execute 56 sec latency 18818.681 ms 1 1552 0.23 MB/sec execute 57 sec latency 19819.242 ms 1 1552 0.22 MB/sec execute 58 sec latency 20821.404 ms 1 1552 0.22 MB/sec execute 59 sec latency 21821.577 ms oleg615-server: oleg615-server.virtnet: executing set_default_debug -1 all 1 1552 0.22 MB/sec execute 60 sec latency 22822.559 ms pdsh@oleg615-client: oleg615-server: ssh exited with exit code 1 1 1552 0.21 MB/sec execute 61 sec latency 23823.129 ms Started lustre-MDT0000 04:53:55 (1787820835) targets are mounted 04:53:55 (1787820835) facet_failover done 1 1552 0.21 MB/sec execute 62 sec latency 24823.383 ms 1 1552 0.21 MB/sec execute 63 sec latency 25823.572 ms 1 1552 0.20 MB/sec execute 64 sec latency 26823.784 ms 1 1552 0.20 MB/sec execute 65 sec latency 27824.997 ms 1 1552 0.20 MB/sec execute 66 sec latency 28825.741 ms 1 1552 0.19 MB/sec execute 67 sec latency 29826.484 ms 1 1552 0.19 MB/sec execute 68 sec latency 30826.726 ms 1 1552 0.19 MB/sec execute 69 sec latency 31826.991 ms 1 1552 0.19 MB/sec execute 70 sec latency 32827.383 ms 1 1552 0.18 MB/sec execute 71 sec latency 33827.773 ms 1 1552 0.18 MB/sec execute 72 sec latency 34828.014 ms 1 1552 0.18 MB/sec execute 73 sec latency 35828.301 ms 1 1552 0.18 MB/sec execute 74 sec latency 36828.874 ms 1 1552 0.17 MB/sec execute 75 sec latency 37829.204 ms 1 1552 0.17 MB/sec execute 76 sec latency 38829.411 ms 1 1552 0.17 MB/sec execute 77 sec latency 39829.878 ms 1 1584 0.17 MB/sec execute 78 sec latency 39953.438 ms 1 1604 0.17 MB/sec execute 79 sec latency 518.653 ms 1 1643 0.16 MB/sec execute 80 sec latency 326.192 ms 1 1680 0.16 MB/sec execute 81 sec latency 134.255 ms 1 1727 0.16 MB/sec execute 82 sec latency 116.283 ms oleg615-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1795 0.16 MB/sec execute 83 sec latency 85.613 ms 1 1840 0.16 MB/sec execute 84 sec latency 121.871 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1868 0.16 MB/sec execute 85 sec latency 128.096 ms 1 1911 0.16 MB/sec execute 86 sec latency 176.188 ms 1 1980 0.15 MB/sec execute 87 sec latency 112.150 ms 1 2039 0.15 MB/sec execute 88 sec latency 105.068 ms 1 2127 0.15 MB/sec execute 89 sec latency 67.679 ms 1 2191 0.15 MB/sec execute 90 sec latency 82.322 ms 1 2282 0.16 MB/sec execute 91 sec latency 86.408 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 51200 3713024 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 22528 3737600 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7450624 1% /mnt/lustre 1 2345 0.16 MB/sec execute 92 sec latency 88.977 ms 1 2377 0.16 MB/sec execute 93 sec latency 221.054 ms 1 2416 0.16 MB/sec execute 94 sec latency 116.085 ms 1 2454 0.16 MB/sec execute 95 sec latency 126.935 ms 1 2489 0.16 MB/sec execute 96 sec latency 215.128 ms test_26 fail mds1 3 times 1 2577 0.16 MB/sec execute 97 sec latency 135.832 ms 1 2614 0.16 MB/sec execute 98 sec latency 116.700 ms Failing mds1 on oleg615-server 1 2768 0.19 MB/sec execute 99 sec latency 221.606 ms Stopping /mnt/lustre-mds1 (opts:) on oleg615-server 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 04:54:36 (1787820876) shut down facet: mds1 facet_host: oleg615-server facet_failover_host: oleg615-server 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec Failover mds1 to oleg615-server mount facets: mds1 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec oleg615-server: oleg615-server.virtnet: executing set_default_debug -1 all 1 cleanup 123 sec pdsh@oleg615-client: oleg615-server: ssh exited with exit code 1 Started lustre-MDT0000 04:54:58 (1787820898) targets are mounted 04:54:58 (1787820898) facet_failover done 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec 0 cleanup 128 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 400 51.670 334.623 Close 341 82.564 24234.376 Rename 18 85.218 160.657 Unlink 42 24.268 45.978 Qpathinfo 365 126.155 39953.419 Qfileinfo 110 1.737 14.614 Qfsinfo 55 3.784 32.885 Sfileinfo 50 50.114 86.493 Find 128 6.361 47.953 WriteX 373 11.489 73.759 ReadX 614 1.626 76.786 LockX 2 4.320 4.378 UnlockX 2 5.659 7.164 Flush 35 137.292 384.087 Throughput 0.190896 MB/sec 1 clients 1 procs max_latency=39953.438 ms stopping dbench on /mnt/lustre at Thu Aug 27 04:55:01 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg615-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 04:55:07 EDT 2026 waiting for dbench pid 48143 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 51 2.09 MB/sec warmup 1 sec latency 112.148 ms 1 113 2.62 MB/sec warmup 2 sec latency 164.302 ms 1 165 2.26 MB/sec warmup 3 sec latency 94.079 ms 1 222 2.15 MB/sec warmup 4 sec latency 124.702 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 40960 3692544 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 41984 3677184 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 82944 7369728 2% /mnt/lustre 1 272 2.03 MB/sec warmup 5 sec latency 134.362 ms 1 323 1.96 MB/sec warmup 6 sec latency 93.216 ms 1 365 1.86 MB/sec warmup 7 sec latency 143.981 ms 1 417 1.83 MB/sec warmup 8 sec latency 116.640 ms 1 461 1.79 MB/sec warmup 9 sec latency 114.692 ms test_26 fail mds1 4 times 1 511 1.77 MB/sec warmup 10 sec latency 97.970 ms 1 611 1.91 MB/sec warmup 11 sec latency 90.347 ms Failing mds1 on oleg615-server Stopping /mnt/lustre-mds1 (opts:) on oleg615-server 1 669 1.76 MB/sec warmup 12 sec latency 167.774 ms 1 699 1.63 MB/sec warmup 13 sec latency 332.308 ms 1 699 1.51 MB/sec warmup 14 sec latency 1332.794 ms 04:55:22 (1787820922) shut down 1 699 1.41 MB/sec warmup 15 sec latency 2334.061 ms facet: mds1 facet_host: oleg615-server facet_failover_host: oleg615-server 1 699 1.32 MB/sec warmup 16 sec latency 3334.390 ms 1 699 1.25 MB/sec warmup 17 sec latency 4334.847 ms 1 699 1.18 MB/sec warmup 18 sec latency 5335.257 ms 1 699 1.12 MB/sec warmup 19 sec latency 6335.592 ms 1 699 0.00 MB/sec execute 1 sec latency 8338.116 ms 1 699 0.00 MB/sec execute 2 sec latency 9338.344 ms 1 699 0.00 MB/sec execute 3 sec latency 10338.568 ms 1 699 0.00 MB/sec execute 4 sec latency 11339.051 ms 1 699 0.00 MB/sec execute 5 sec latency 12339.307 ms Failover mds1 to oleg615-server mount facets: mds1 1 699 0.00 MB/sec execute 6 sec latency 13341.991 ms 1 699 0.00 MB/sec execute 7 sec latency 14342.189 ms 1 699 0.00 MB/sec execute 8 sec latency 15342.449 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 699 0.00 MB/sec execute 9 sec latency 16342.591 ms 1 699 0.00 MB/sec execute 10 sec latency 17342.763 ms 1 699 0.00 MB/sec execute 11 sec latency 18343.273 ms 1 699 0.00 MB/sec execute 12 sec latency 19343.482 ms 1 699 0.00 MB/sec execute 13 sec latency 20344.028 ms 1 699 0.00 MB/sec execute 14 sec latency 21345.044 ms oleg615-server: oleg615-server.virtnet: executing set_default_debug -1 all 1 699 0.00 MB/sec execute 15 sec latency 22345.200 ms pdsh@oleg615-client: oleg615-server: ssh exited with exit code 1 1 699 0.00 MB/sec execute 16 sec latency 23351.635 ms Started lustre-MDT0000 04:55:43 (1787820943) targets are mounted 04:55:43 (1787820943) facet_failover done 1 699 0.00 MB/sec execute 17 sec latency 24351.837 ms 1 721 0.01 MB/sec execute 18 sec latency 24769.511 ms 1 767 0.01 MB/sec execute 19 sec latency 175.059 ms 1 799 0.01 MB/sec execute 20 sec latency 200.736 ms 1 857 0.02 MB/sec execute 21 sec latency 94.822 ms 1 888 0.02 MB/sec execute 22 sec latency 178.040 ms oleg615-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 916 0.02 MB/sec execute 23 sec latency 272.940 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 967 0.03 MB/sec execute 24 sec latency 94.824 ms 1 995 0.03 MB/sec execute 25 sec latency 166.435 ms 1 1062 0.06 MB/sec execute 26 sec latency 125.881 ms 1 1132 0.07 MB/sec execute 27 sec latency 65.772 ms 1 1192 0.07 MB/sec execute 28 sec latency 87.144 ms 1 1240 0.06 MB/sec execute 29 sec latency 72.989 ms 1 1285 0.06 MB/sec execute 30 sec latency 106.265 ms 1 1417 0.16 MB/sec execute 31 sec latency 100.551 ms 1 1486 0.15 MB/sec execute 32 sec latency 199.819 ms 1 1550 0.15 MB/sec execute 33 sec latency 88.790 ms 1 1597 0.15 MB/sec execute 34 sec latency 75.643 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1634 0.14 MB/sec execute 35 sec latency 209.055 ms 1 1686 0.14 MB/sec execute 36 sec latency 116.034 ms 1 1762 0.14 MB/sec execute 37 sec latency 90.173 ms 1 1834 0.14 MB/sec execute 38 sec latency 78.898 ms 1 1884 0.13 MB/sec execute 39 sec latency 136.883 ms 1 1924 0.13 MB/sec execute 40 sec latency 457.063 ms 1 1978 0.13 MB/sec execute 41 sec latency 97.766 ms 1 2014 0.13 MB/sec execute 42 sec latency 118.376 ms 1 2065 0.13 MB/sec execute 43 sec latency 83.836 ms 1 2129 0.12 MB/sec execute 44 sec latency 135.842 ms 1 2164 0.12 MB/sec execute 45 sec latency 206.633 ms 1 2226 0.12 MB/sec execute 46 sec latency 98.334 ms 1 2327 0.14 MB/sec execute 47 sec latency 76.202 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 04:56:14 EDT 2026 with return code 0 48143 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48143 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished