== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:28:26 (1781227706) Starting client oleg420-client.virtnet: -o user_xattr,flock 192.168.204.120@tcp:/lustre /mnt/lustre Started clients oleg420-client.virtnet: 192.168.204.120@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 44614 Started dbench loop with 44615 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3730432 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7482368 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 Jun 11 21:28:31 EDT 2026 waiting for dbench pid 44673 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 1.04 MB/sec warmup 1 sec latency 154.641 ms 1 91 2.09 MB/sec warmup 2 sec latency 143.028 ms 1 135 1.98 MB/sec warmup 3 sec latency 170.875 ms 1 173 1.76 MB/sec warmup 4 sec latency 117.467 ms test_26 fail mds1 1 times 1 202 1.56 MB/sec warmup 5 sec latency 157.145 ms 1 233 1.48 MB/sec warmup 6 sec latency 147.800 ms Failing mds1 on oleg420-server 1 272 1.45 MB/sec warmup 7 sec latency 119.264 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 313 1.43 MB/sec warmup 8 sec latency 152.369 ms 1 331 1.33 MB/sec warmup 9 sec latency 428.689 ms 1 331 1.20 MB/sec warmup 10 sec latency 1429.494 ms 21:28:42 (1781227722) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 331 1.09 MB/sec warmup 11 sec latency 2430.472 ms 1 331 1.00 MB/sec warmup 12 sec latency 3431.180 ms 1 331 0.92 MB/sec warmup 13 sec latency 4432.059 ms 1 331 0.86 MB/sec warmup 14 sec latency 5432.718 ms 1 331 0.80 MB/sec warmup 15 sec latency 6433.014 ms 1 331 0.75 MB/sec warmup 16 sec latency 7434.569 ms 1 331 0.70 MB/sec warmup 17 sec latency 8436.818 ms 1 331 0.67 MB/sec warmup 18 sec latency 9437.208 ms 1 331 0.63 MB/sec warmup 19 sec latency 10437.737 ms 1 331 0.00 MB/sec execute 1 sec latency 12439.745 ms Failover mds1 to oleg420-server mount facets: mds1 1 331 0.00 MB/sec execute 2 sec latency 13442.032 ms 1 331 0.00 MB/sec execute 3 sec latency 14445.232 ms 1 331 0.00 MB/sec execute 4 sec latency 15448.705 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 331 0.00 MB/sec execute 5 sec latency 16456.608 ms 1 331 0.00 MB/sec execute 6 sec latency 17460.262 ms 1 331 0.00 MB/sec execute 7 sec latency 18462.633 ms 1 331 0.00 MB/sec execute 8 sec latency 19463.421 ms 1 331 0.00 MB/sec execute 9 sec latency 20463.609 ms 1 331 0.00 MB/sec execute 10 sec latency 21466.958 ms 1 331 0.00 MB/sec execute 11 sec latency 22467.161 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 331 0.00 MB/sec execute 12 sec latency 23467.433 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 331 0.00 MB/sec execute 13 sec latency 24470.846 ms Started lustre-MDT0000 21:29:05 (1781227745) targets are mounted 21:29:05 (1781227745) facet_failover done 1 331 0.00 MB/sec execute 14 sec latency 25471.898 ms 1 331 0.00 MB/sec execute 15 sec latency 26472.475 ms 1 331 0.00 MB/sec execute 16 sec latency 27472.775 ms 1 331 0.00 MB/sec execute 17 sec latency 28473.366 ms 1 331 0.00 MB/sec execute 18 sec latency 29474.780 ms 1 331 0.00 MB/sec execute 19 sec latency 30475.078 ms 1 331 0.00 MB/sec execute 20 sec latency 31475.299 ms 1 331 0.00 MB/sec execute 21 sec latency 32475.629 ms 1 331 0.00 MB/sec execute 22 sec latency 33478.970 ms 1 331 0.00 MB/sec execute 23 sec latency 34481.170 ms 1 331 0.00 MB/sec execute 24 sec latency 35481.422 ms 1 331 0.00 MB/sec execute 25 sec latency 36486.604 ms 1 331 0.00 MB/sec execute 26 sec latency 37486.976 ms 1 331 0.00 MB/sec execute 27 sec latency 38487.893 ms 1 365 0.04 MB/sec execute 28 sec latency 38646.769 ms 1 405 0.08 MB/sec execute 29 sec latency 126.451 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 453 0.13 MB/sec execute 30 sec latency 92.307 ms 1 496 0.17 MB/sec execute 31 sec latency 117.979 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 525 0.19 MB/sec execute 32 sec latency 154.806 ms 1 609 0.27 MB/sec execute 33 sec latency 102.070 ms 1 664 0.27 MB/sec execute 34 sec latency 124.242 ms 1 699 0.26 MB/sec execute 35 sec latency 152.913 ms 1 735 0.26 MB/sec execute 36 sec latency 155.188 ms 1 778 0.25 MB/sec execute 37 sec latency 102.783 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3668992 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3686400 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7355392 1% /mnt/lustre 1 801 0.25 MB/sec execute 38 sec latency 153.591 ms 1 845 0.24 MB/sec execute 39 sec latency 131.717 ms 1 876 0.24 MB/sec execute 40 sec latency 173.638 ms 1 902 0.24 MB/sec execute 41 sec latency 167.678 ms 1 917 0.23 MB/sec execute 42 sec latency 286.028 ms 1 949 0.23 MB/sec execute 43 sec latency 119.060 ms test_26 fail mds1 2 times 1 977 0.22 MB/sec execute 44 sec latency 145.876 ms 1 995 0.22 MB/sec execute 45 sec latency 235.619 ms Failing mds1 on oleg420-server 1 1052 0.24 MB/sec execute 46 sec latency 99.048 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 1092 0.23 MB/sec execute 47 sec latency 104.856 ms 1 1134 0.23 MB/sec execute 48 sec latency 280.012 ms 1 1134 0.22 MB/sec execute 49 sec latency 1280.466 ms 1 1134 0.22 MB/sec execute 50 sec latency 2281.461 ms 1 1134 0.21 MB/sec execute 51 sec latency 3282.697 ms 21:29:43 (1781227783) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 1134 0.21 MB/sec execute 52 sec latency 4283.232 ms 1 1134 0.21 MB/sec execute 53 sec latency 5284.436 ms 1 1134 0.20 MB/sec execute 54 sec latency 6284.726 ms 1 1134 0.20 MB/sec execute 55 sec latency 7285.080 ms 1 1134 0.20 MB/sec execute 56 sec latency 8285.514 ms 1 1134 0.19 MB/sec execute 57 sec latency 9286.004 ms 1 1134 0.19 MB/sec execute 58 sec latency 10289.207 ms 1 1134 0.19 MB/sec execute 59 sec latency 11289.376 ms 1 1134 0.18 MB/sec execute 60 sec latency 12290.593 ms 1 1134 0.18 MB/sec execute 61 sec latency 13295.791 ms Failover mds1 to oleg420-server mount facets: mds1 1 1134 0.18 MB/sec execute 62 sec latency 14296.319 ms 1 1134 0.17 MB/sec execute 63 sec latency 15296.798 ms 1 1134 0.17 MB/sec execute 64 sec latency 16297.003 ms 1 1134 0.17 MB/sec execute 65 sec latency 17297.926 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1134 0.17 MB/sec execute 66 sec latency 18298.099 ms 1 1134 0.16 MB/sec execute 67 sec latency 19298.415 ms 1 1134 0.16 MB/sec execute 68 sec latency 20300.551 ms 1 1134 0.16 MB/sec execute 69 sec latency 21301.302 ms 1 1134 0.16 MB/sec execute 70 sec latency 22303.392 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 1134 0.15 MB/sec execute 71 sec latency 23303.748 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 1134 0.15 MB/sec execute 72 sec latency 24304.008 ms Started lustre-MDT0000 21:30:04 (1781227804) targets are mounted 21:30:04 (1781227804) facet_failover done 1 1134 0.15 MB/sec execute 73 sec latency 25304.415 ms 1 1134 0.15 MB/sec execute 74 sec latency 26304.649 ms 1 1134 0.15 MB/sec execute 75 sec latency 27304.940 ms 1 1134 0.14 MB/sec execute 76 sec latency 28305.442 ms 1 1134 0.14 MB/sec execute 77 sec latency 29306.462 ms 1 1134 0.14 MB/sec execute 78 sec latency 30307.448 ms 1 1134 0.14 MB/sec execute 79 sec latency 31307.662 ms 1 1134 0.14 MB/sec execute 80 sec latency 32307.877 ms 1 1134 0.14 MB/sec execute 81 sec latency 33308.491 ms 1 1134 0.13 MB/sec execute 82 sec latency 34310.308 ms 1 1134 0.13 MB/sec execute 83 sec latency 35311.508 ms 1 1134 0.13 MB/sec execute 84 sec latency 36311.712 ms 1 1134 0.13 MB/sec execute 85 sec latency 37317.232 ms 1 1134 0.13 MB/sec execute 86 sec latency 38322.729 ms 1 1134 0.13 MB/sec execute 87 sec latency 39322.933 ms 1 1134 0.12 MB/sec execute 88 sec latency 40323.899 ms 1 1143 0.12 MB/sec execute 89 sec latency 40904.933 ms 1 1172 0.12 MB/sec execute 90 sec latency 275.194 ms 1 1202 0.12 MB/sec execute 91 sec latency 419.888 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1244 0.12 MB/sec execute 92 sec latency 119.378 ms 1 1318 0.13 MB/sec execute 93 sec latency 130.033 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1410 0.15 MB/sec execute 94 sec latency 133.052 ms 1 1457 0.15 MB/sec execute 95 sec latency 97.719 ms 1 1493 0.15 MB/sec execute 96 sec latency 196.151 ms 1 1538 0.15 MB/sec execute 97 sec latency 115.961 ms 1 1593 0.14 MB/sec execute 98 sec latency 68.684 ms 1 1645 0.14 MB/sec execute 99 sec latency 207.434 ms 1 cleanup 100 sec UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 50176 3706880 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 16384 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 66560 7439360 1% /mnt/lustre 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 215 245.766 38646.748 Close 188 12.871 44.439 Rename 10 4176.191 40902.349 Unlink 22 30.038 61.589 Qpathinfo 152 20.769 178.661 Qfileinfo 69 2.936 11.181 Qfsinfo 33 4.129 16.022 Sfileinfo 34 59.180 130.869 Find 61 6.933 76.614 WriteX 288 12.609 59.456 ReadX 256 2.548 77.372 Flush 27 118.675 286.002 Throughput 0.14313 MB/sec 1 clients 1 procs max_latency=40904.933 ms stopping dbench on /mnt/lustre at Thu Jun 11 21:30:36 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished test_26 fail mds1 3 times looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Failing mds1 on oleg420-server Stopping /mnt/lustre-mds1 (opts:) on oleg420-server '/usr/share/dbench/client.txt' -> 'client.txt' 21:30:44 (1781227844) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server Failover mds1 to oleg420-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 Started lustre-MDT0000 21:31:05 (1781227865) targets are mounted 21:31:05 (1781227865) facet_failover done running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Jun 11 21:31:21 EDT 2026 waiting for dbench pid 47116 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 34 1.05 MB/sec warmup 1 sec latency 104.614 ms 1 88 2.02 MB/sec warmup 2 sec latency 185.662 ms 1 121 1.83 MB/sec warmup 3 sec latency 190.400 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 147 1.56 MB/sec warmup 4 sec latency 188.744 ms 1 173 1.41 MB/sec warmup 5 sec latency 155.480 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 197 1.30 MB/sec warmup 6 sec latency 220.894 ms 1 222 1.23 MB/sec warmup 7 sec latency 231.521 ms 1 247 1.17 MB/sec warmup 8 sec latency 177.959 ms 1 279 1.16 MB/sec warmup 9 sec latency 154.991 ms 1 313 1.15 MB/sec warmup 10 sec latency 127.723 ms 1 341 1.11 MB/sec warmup 11 sec latency 188.635 ms 1 373 1.11 MB/sec warmup 12 sec latency 154.495 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2816 2205696 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 45056 3698688 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 17408 3739648 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 62464 7438336 1% /mnt/lustre 1 405 1.10 MB/sec warmup 13 sec latency 159.669 ms 1 437 1.10 MB/sec warmup 14 sec latency 144.000 ms 1 477 1.11 MB/sec warmup 15 sec latency 131.265 ms 1 501 1.09 MB/sec warmup 16 sec latency 167.352 ms 1 542 1.12 MB/sec warmup 17 sec latency 126.028 ms 1 613 1.16 MB/sec warmup 18 sec latency 112.122 ms test_26 fail mds1 4 times 1 664 1.11 MB/sec warmup 19 sec latency 105.399 ms Failing mds1 on oleg420-server 1 710 0.02 MB/sec execute 1 sec latency 291.455 ms Stopping /mnt/lustre-mds1 (opts:) on oleg420-server 1 728 0.06 MB/sec execute 2 sec latency 208.431 ms 1 758 0.05 MB/sec execute 3 sec latency 191.750 ms 1 759 0.04 MB/sec execute 4 sec latency 997.873 ms 1 759 0.03 MB/sec execute 5 sec latency 1998.137 ms 21:31:47 (1781227907) shut down facet: mds1 facet_host: oleg420-server facet_failover_host: oleg420-server 1 759 0.03 MB/sec execute 6 sec latency 2999.460 ms 1 759 0.02 MB/sec execute 7 sec latency 4000.729 ms 1 759 0.02 MB/sec execute 8 sec latency 5000.946 ms 1 759 0.02 MB/sec execute 9 sec latency 6001.730 ms 1 759 0.02 MB/sec execute 10 sec latency 7004.178 ms 1 759 0.01 MB/sec execute 11 sec latency 8004.448 ms 1 759 0.01 MB/sec execute 12 sec latency 9007.016 ms 1 759 0.01 MB/sec execute 13 sec latency 10007.412 ms 1 759 0.01 MB/sec execute 14 sec latency 11008.114 ms 1 759 0.01 MB/sec execute 15 sec latency 12008.367 ms 1 759 0.01 MB/sec execute 16 sec latency 13008.498 ms Failover mds1 to oleg420-server mount facets: mds1 1 759 0.01 MB/sec execute 17 sec latency 14008.808 ms 1 759 0.01 MB/sec execute 18 sec latency 15009.112 ms 1 759 0.01 MB/sec execute 19 sec latency 16010.370 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 759 0.01 MB/sec execute 20 sec latency 17010.643 ms 1 759 0.01 MB/sec execute 21 sec latency 18010.907 ms 1 759 0.01 MB/sec execute 22 sec latency 19011.301 ms 1 759 0.01 MB/sec execute 23 sec latency 20012.032 ms 1 759 0.01 MB/sec execute 24 sec latency 21012.410 ms oleg420-server: oleg420-server.virtnet: executing set_default_debug -1 all 1 759 0.01 MB/sec execute 25 sec latency 22015.691 ms pdsh@oleg420-client: oleg420-server: ssh exited with exit code 1 1 760 0.01 MB/sec execute 26 sec latency 23013.469 ms 1 778 0.01 MB/sec execute 27 sec latency 220.965 ms Started lustre-MDT0000 21:32:08 (1781227928) targets are mounted 21:32:08 (1781227928) facet_failover done 1 803 0.01 MB/sec execute 28 sec latency 151.285 ms 1 857 0.01 MB/sec execute 29 sec latency 107.909 ms 1 888 0.02 MB/sec execute 30 sec latency 220.241 ms 1 913 0.02 MB/sec execute 31 sec latency 275.691 ms oleg420-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 940 0.02 MB/sec execute 32 sec latency 372.877 ms 1 970 0.02 MB/sec execute 33 sec latency 139.508 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 985 0.02 MB/sec execute 34 sec latency 387.281 ms 1 1009 0.03 MB/sec execute 35 sec latency 195.718 ms 1 1061 0.05 MB/sec execute 36 sec latency 218.277 ms 1 1117 0.05 MB/sec execute 37 sec latency 80.969 ms 1 1155 0.05 MB/sec execute 38 sec latency 87.642 ms 1 1194 0.05 MB/sec execute 39 sec latency 138.784 ms 1 1235 0.05 MB/sec execute 40 sec latency 78.310 ms 1 1277 0.05 MB/sec execute 41 sec latency 96.842 ms 1 1401 0.11 MB/sec execute 42 sec latency 111.630 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1451 0.11 MB/sec execute 43 sec latency 98.045 ms 1 1492 0.11 MB/sec execute 44 sec latency 267.239 ms 1 1540 0.11 MB/sec execute 45 sec latency 90.032 ms 1 1578 0.11 MB/sec execute 46 sec latency 164.445 ms 1 1609 0.11 MB/sec execute 47 sec latency 122.991 ms 1 1634 0.10 MB/sec execute 48 sec latency 332.376 ms 1 1686 0.10 MB/sec execute 49 sec latency 104.561 ms 1 1733 0.10 MB/sec execute 50 sec latency 128.500 ms 1 1793 0.10 MB/sec execute 51 sec latency 123.054 ms 1 1843 0.10 MB/sec execute 52 sec latency 125.492 ms 1 1883 0.10 MB/sec execute 53 sec latency 147.291 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1905 0.10 MB/sec execute 54 sec latency 576.380 ms stopping dbench on /mnt/lustre at Thu Jun 11 21:32:35 EDT 2026 with return code 0 47116 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47116 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished