== replay-dual test 26: dbench and tar with mds failover ========================================================== 04:41:17 (1788597677) Starting client oleg226-client.virtnet: -o user_xattr,flock 192.168.202.126@tcp:/lustre /mnt/lustre Started clients oleg226-client.virtnet: 192.168.202.126@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 65694 Started dbench loop with 65695 striped dir -i0 -c2 -H crush2 /mnt/lustre/d26.replay-dual/run_tar 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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1764 1269540 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3597208 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7202664 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 Sat Sep 5 04:41:23 EDT 2026 waiting for dbench pid 65784 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 160.614 ms 1 51 1.05 MB/sec warmup 2 sec latency 156.715 ms 1 111 1.75 MB/sec warmup 3 sec latency 105.979 ms 1 140 1.50 MB/sec warmup 4 sec latency 172.007 ms 1 173 1.41 MB/sec warmup 5 sec latency 179.644 ms 1 184 1.23 MB/sec warmup 6 sec latency 431.478 ms 1 215 1.19 MB/sec warmup 7 sec latency 518.008 ms 1 256 1.21 MB/sec warmup 8 sec latency 113.513 ms test_26 fail mds1 1 times 1 289 1.19 MB/sec warmup 9 sec latency 139.742 ms 1 313 1.15 MB/sec warmup 10 sec latency 245.116 ms 1 339 1.11 MB/sec warmup 11 sec latency 219.982 ms Failing mds1 on oleg226-server 1 365 1.09 MB/sec warmup 12 sec latency 234.418 ms Stopping /mnt/lustre-mds1 (opts:) on oleg226-server 1 403 1.10 MB/sec warmup 13 sec latency 148.959 ms 1 428 1.08 MB/sec warmup 14 sec latency 418.842 ms 1 428 1.01 MB/sec warmup 15 sec latency 1419.123 ms 04:41:39 (1788597699) shut down facet: mds1 facet_host: oleg226-server facet_failover_host: oleg226-server 1 428 0.94 MB/sec warmup 16 sec latency 2419.527 ms 1 428 0.89 MB/sec warmup 17 sec latency 3419.763 ms 1 428 0.84 MB/sec warmup 18 sec latency 4420.025 ms 1 428 0.80 MB/sec warmup 19 sec latency 5420.621 ms 1 428 0.00 MB/sec execute 1 sec latency 7422.999 ms 1 428 0.00 MB/sec execute 2 sec latency 8425.152 ms 1 428 0.00 MB/sec execute 3 sec latency 9426.287 ms 1 428 0.00 MB/sec execute 4 sec latency 10426.666 ms 1 428 0.00 MB/sec execute 5 sec latency 11427.812 ms 1 428 0.00 MB/sec execute 6 sec latency 12428.788 ms Failover mds1 to oleg226-server mount facets: mds1 1 428 0.00 MB/sec execute 7 sec latency 13429.882 ms 1 428 0.00 MB/sec execute 8 sec latency 14430.063 ms 1 428 0.00 MB/sec execute 9 sec latency 15430.301 ms 1 428 0.00 MB/sec execute 10 sec latency 16430.557 ms 1 428 0.00 MB/sec execute 11 sec latency 17433.474 ms 1 428 0.00 MB/sec execute 12 sec latency 18437.554 ms 1 428 0.00 MB/sec execute 13 sec latency 19438.994 ms 1 428 0.00 MB/sec execute 14 sec latency 20439.284 ms 1 428 0.00 MB/sec execute 15 sec latency 21439.952 ms 1 428 0.00 MB/sec execute 16 sec latency 22442.407 ms 1 428 0.00 MB/sec execute 17 sec latency 23443.252 ms 1 428 0.00 MB/sec execute 18 sec latency 24463.379 ms 1 428 0.00 MB/sec execute 19 sec latency 25472.110 ms 1 428 0.00 MB/sec execute 20 sec latency 26472.392 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 21 sec latency 27472.624 ms 1 428 0.00 MB/sec execute 22 sec latency 28474.537 ms 1 428 0.00 MB/sec execute 23 sec latency 29478.452 ms 1 428 0.00 MB/sec execute 24 sec latency 30479.004 ms 1 428 0.00 MB/sec execute 25 sec latency 31479.281 ms 1 428 0.00 MB/sec execute 26 sec latency 32479.784 ms 1 428 0.00 MB/sec execute 27 sec latency 33481.133 ms 1 428 0.00 MB/sec execute 28 sec latency 34483.507 ms 1 428 0.00 MB/sec execute 29 sec latency 35485.342 ms 1 428 0.00 MB/sec execute 30 sec latency 36485.777 ms 1 428 0.00 MB/sec execute 31 sec latency 37486.061 ms oleg226-server: oleg226-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 32 sec latency 38489.068 ms pdsh@oleg226-client: oleg226-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 33 sec latency 39489.399 ms Started lustre-MDT0000 04:42:17 (1788597737) targets are mounted 04:42:17 (1788597737) facet_failover done 1 446 0.02 MB/sec execute 34 sec latency 39951.574 ms 1 493 0.06 MB/sec execute 35 sec latency 115.801 ms 1 522 0.08 MB/sec execute 36 sec latency 130.766 ms 1 552 0.11 MB/sec execute 37 sec latency 383.699 ms 1 603 0.15 MB/sec execute 38 sec latency 864.474 ms 1 639 0.15 MB/sec execute 39 sec latency 131.937 ms 1 664 0.15 MB/sec execute 40 sec latency 183.886 ms 1 708 0.15 MB/sec execute 41 sec latency 129.585 ms oleg226-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.15 MB/sec execute 42 sec latency 107.047 ms 1 769 0.14 MB/sec execute 43 sec latency 130.565 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 791 0.14 MB/sec execute 44 sec latency 213.193 ms 1 825 0.14 MB/sec execute 45 sec latency 141.279 ms 1 865 0.14 MB/sec execute 46 sec latency 152.473 ms 1 888 0.14 MB/sec execute 47 sec latency 171.879 ms 1 914 0.14 MB/sec execute 48 sec latency 172.933 ms 1 937 0.14 MB/sec execute 49 sec latency 214.785 ms 1 968 0.13 MB/sec execute 50 sec latency 132.556 ms 1 990 0.13 MB/sec execute 51 sec latency 135.533 ms 1 1046 0.15 MB/sec execute 52 sec latency 106.332 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 7664 3598152 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 46640 3551544 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54304 7149696 1% /mnt/lustre 1 1076 0.15 MB/sec execute 53 sec latency 156.860 ms 1 1118 0.14 MB/sec execute 54 sec latency 130.155 ms 1 1147 0.14 MB/sec execute 55 sec latency 129.236 ms 1 1172 0.14 MB/sec execute 56 sec latency 421.135 ms 1 1172 0.14 MB/sec execute 57 sec latency 1424.176 ms 1 1193 0.14 MB/sec execute 58 sec latency 1611.973 ms 1 1231 0.13 MB/sec execute 59 sec latency 87.133 ms 1 1263 0.13 MB/sec execute 60 sec latency 163.538 ms 1 1379 0.18 MB/sec execute 61 sec latency 139.525 ms 1 1405 0.18 MB/sec execute 62 sec latency 117.785 ms 1 1453 0.17 MB/sec execute 63 sec latency 106.878 ms test_26 fail mds2 2 times 1 1491 0.17 MB/sec execute 64 sec latency 177.176 ms 1 1511 0.17 MB/sec execute 65 sec latency 230.404 ms 1 1551 0.17 MB/sec execute 66 sec latency 144.371 ms Failing mds2 on oleg226-server 1 1576 0.16 MB/sec execute 67 sec latency 106.763 ms Stopping /mnt/lustre-mds2 (opts:) on oleg226-server 1 1609 0.16 MB/sec execute 68 sec latency 178.545 ms 1 1651 0.16 MB/sec execute 69 sec latency 147.418 ms 1 1696 0.16 MB/sec execute 70 sec latency 91.336 ms 1 1760 0.16 MB/sec execute 71 sec latency 133.178 ms 04:42:55 (1788597775) shut down facet: mds2 facet_host: oleg226-server facet_failover_host: oleg226-server 1 1820 0.16 MB/sec execute 72 sec latency 101.568 ms 1 1869 0.15 MB/sec execute 73 sec latency 121.923 ms 1 1969 0.15 MB/sec execute 74 sec latency 110.952 ms 1 2030 0.15 MB/sec execute 75 sec latency 86.980 ms 1 2117 0.15 MB/sec execute 76 sec latency 88.701 ms 1 2185 0.15 MB/sec execute 77 sec latency 89.967 ms 1 2259 0.15 MB/sec execute 78 sec latency 370.424 ms 1 2259 0.15 MB/sec execute 79 sec latency 1370.723 ms 1 2259 0.15 MB/sec execute 80 sec latency 2373.436 ms 1 2259 0.14 MB/sec execute 81 sec latency 3373.745 ms Failover mds2 to oleg226-server mount facets: mds2 1 2259 0.14 MB/sec execute 82 sec latency 4382.595 ms 1 2259 0.14 MB/sec execute 83 sec latency 5383.144 ms 1 2259 0.14 MB/sec execute 84 sec latency 6383.694 ms 1 2259 0.14 MB/sec execute 85 sec latency 7387.299 ms 1 2259 0.14 MB/sec execute 86 sec latency 8387.543 ms 1 2259 0.13 MB/sec execute 87 sec latency 9388.161 ms 1 2259 0.13 MB/sec execute 88 sec latency 10388.993 ms 1 2259 0.13 MB/sec execute 89 sec latency 11389.864 ms 1 2259 0.13 MB/sec execute 90 sec latency 12390.151 ms 1 2259 0.13 MB/sec execute 91 sec latency 13392.337 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 92 sec latency 14396.990 ms 1 2259 0.13 MB/sec execute 93 sec latency 15400.006 ms 1 2259 0.12 MB/sec execute 94 sec latency 16400.245 ms 1 2259 0.12 MB/sec execute 95 sec latency 17401.588 ms 1 2259 0.12 MB/sec execute 96 sec latency 18401.918 ms 1 2259 0.12 MB/sec execute 97 sec latency 19402.232 ms 1 2259 0.12 MB/sec execute 98 sec latency 20404.420 ms oleg226-server: oleg226-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 99 sec latency 21404.800 ms pdsh@oleg226-client: oleg226-server: ssh exited with exit code 1 1 cleanup 100 sec Started lustre-MDT0001 04:43:24 (1788597804) targets are mounted 04:43:24 (1788597804) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 132.850 23824.902 Close 286 151.780 39951.537 Rename 11 97.849 172.902 Unlink 30 28.705 71.763 Qpathinfo 295 16.478 156.834 Qfileinfo 78 2.376 16.711 Qfsinfo 33 3.944 22.476 Sfileinfo 34 83.946 214.762 Find 92 15.856 75.481 WriteX 266 15.021 97.308 ReadX 348 3.452 144.335 Flush 30 60.164 175.052 Throughput 0.11754 MB/sec 1 clients 1 procs max_latency=39951.574 ms stopping dbench on /mnt/lustre at Sat Sep 5 04:43:30 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg226-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 Sat Sep 5 04:43:39 EDT 2026 waiting for dbench pid 67903 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 5.253 ms 1 70 1.57 MB/sec warmup 2 sec latency 106.586 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2596 3604200 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44040 3560480 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 46636 7164680 1% /mnt/lustre 1 113 1.74 MB/sec warmup 3 sec latency 211.442 ms 1 139 1.50 MB/sec warmup 4 sec latency 193.867 ms 1 166 1.36 MB/sec warmup 5 sec latency 193.831 ms 1 184 1.23 MB/sec warmup 6 sec latency 493.978 ms 1 207 1.16 MB/sec warmup 7 sec latency 532.138 ms 1 244 1.16 MB/sec warmup 8 sec latency 155.602 ms 1 272 1.13 MB/sec warmup 9 sec latency 177.451 ms 1 313 1.15 MB/sec warmup 10 sec latency 127.854 ms 1 341 1.11 MB/sec warmup 11 sec latency 157.940 ms 1 382 1.13 MB/sec warmup 12 sec latency 107.466 ms 1 428 1.16 MB/sec warmup 13 sec latency 110.698 ms test_26 fail mds1 3 times 1 461 1.15 MB/sec warmup 14 sec latency 159.983 ms 1 496 1.14 MB/sec warmup 15 sec latency 114.067 ms Failing mds1 on oleg226-server 1 530 1.15 MB/sec warmup 16 sec latency 162.967 ms Stopping /mnt/lustre-mds1 (opts:) on oleg226-server 1 612 1.23 MB/sec warmup 17 sec latency 125.770 ms 1 615 1.16 MB/sec warmup 18 sec latency 934.509 ms 1 615 1.10 MB/sec warmup 19 sec latency 1936.743 ms 04:43:59 (1788597839) shut down facet: mds1 facet_host: oleg226-server facet_failover_host: oleg226-server 1 615 0.00 MB/sec execute 1 sec latency 3937.269 ms 1 615 0.00 MB/sec execute 2 sec latency 4937.484 ms 1 615 0.00 MB/sec execute 3 sec latency 5937.897 ms 1 615 0.00 MB/sec execute 4 sec latency 6939.986 ms 1 615 0.00 MB/sec execute 5 sec latency 7940.517 ms 1 615 0.00 MB/sec execute 6 sec latency 8941.138 ms 1 615 0.00 MB/sec execute 7 sec latency 9943.623 ms 1 615 0.00 MB/sec execute 8 sec latency 10943.909 ms 1 615 0.00 MB/sec execute 9 sec latency 11944.153 ms 1 615 0.00 MB/sec execute 10 sec latency 12947.877 ms Failover mds1 to oleg226-server mount facets: mds1 1 615 0.00 MB/sec execute 11 sec latency 13949.074 ms 1 615 0.00 MB/sec execute 12 sec latency 14949.448 ms 1 615 0.00 MB/sec execute 13 sec latency 15950.927 ms 1 615 0.00 MB/sec execute 14 sec latency 16951.436 ms 1 615 0.00 MB/sec execute 15 sec latency 17951.713 ms 1 615 0.00 MB/sec execute 16 sec latency 18952.103 ms 1 615 0.00 MB/sec execute 17 sec latency 19953.297 ms 1 615 0.00 MB/sec execute 18 sec latency 20953.929 ms 1 615 0.00 MB/sec execute 19 sec latency 21954.231 ms 1 615 0.00 MB/sec execute 20 sec latency 22954.970 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 615 0.00 MB/sec execute 21 sec latency 23955.426 ms 1 615 0.00 MB/sec execute 22 sec latency 24955.697 ms 1 615 0.00 MB/sec execute 23 sec latency 25957.783 ms 1 615 0.00 MB/sec execute 24 sec latency 26958.532 ms 1 615 0.00 MB/sec execute 25 sec latency 27961.684 ms 1 615 0.00 MB/sec execute 26 sec latency 28962.710 ms 1 615 0.00 MB/sec execute 27 sec latency 29965.491 ms 1 615 0.00 MB/sec execute 28 sec latency 30965.916 ms 1 615 0.00 MB/sec execute 29 sec latency 31967.459 ms 1 615 0.00 MB/sec execute 30 sec latency 32969.281 ms oleg226-server: oleg226-server.virtnet: executing set_default_debug -1 all 1 615 0.00 MB/sec execute 31 sec latency 33969.706 ms pdsh@oleg226-client: oleg226-server: ssh exited with exit code 1 1 615 0.00 MB/sec execute 32 sec latency 34969.922 ms 1 656 0.00 MB/sec execute 33 sec latency 35063.737 ms Started lustre-MDT0000 04:44:33 (1788597873) targets are mounted 04:44:33 (1788597873) facet_failover done 1 695 0.01 MB/sec execute 34 sec latency 125.671 ms 1 713 0.01 MB/sec execute 35 sec latency 193.488 ms 1 738 0.01 MB/sec execute 36 sec latency 118.330 ms 1 769 0.01 MB/sec execute 37 sec latency 149.994 ms 1 789 0.01 MB/sec execute 38 sec latency 164.776 ms 1 808 0.01 MB/sec execute 39 sec latency 172.553 ms 1 857 0.01 MB/sec execute 40 sec latency 131.862 ms 1 878 0.02 MB/sec execute 41 sec latency 157.749 ms oleg226-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.02 MB/sec execute 42 sec latency 800.279 ms 1 885 0.02 MB/sec execute 43 sec latency 1736.767 ms 1 898 0.02 MB/sec execute 44 sec latency 335.665 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 916 0.02 MB/sec execute 45 sec latency 215.557 ms 1 940 0.02 MB/sec execute 46 sec latency 131.546 ms 1 981 0.02 MB/sec execute 47 sec latency 124.094 ms 1 1053 0.04 MB/sec execute 48 sec latency 80.923 ms 1 1084 0.04 MB/sec execute 49 sec latency 160.268 ms 1 1134 0.04 MB/sec execute 50 sec latency 113.295 ms 1 1179 0.04 MB/sec execute 51 sec latency 118.497 ms 1 1225 0.04 MB/sec execute 52 sec latency 104.419 ms 1 1253 0.04 MB/sec execute 53 sec latency 184.860 ms 1 1296 0.05 MB/sec execute 54 sec latency 134.192 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1399 0.09 MB/sec execute 55 sec latency 102.747 ms 1 1438 0.09 MB/sec execute 56 sec latency 129.608 ms 1 1465 0.09 MB/sec execute 57 sec latency 178.866 ms 1 1481 0.09 MB/sec execute 58 sec latency 452.646 ms 1 1509 0.09 MB/sec execute 59 sec latency 210.845 ms 1 1565 0.09 MB/sec execute 60 sec latency 85.269 ms 1 1593 0.08 MB/sec execute 61 sec latency 86.337 ms 1 1625 0.08 MB/sec execute 62 sec latency 171.656 ms 1 1660 0.08 MB/sec execute 63 sec latency 147.634 ms 1 1690 0.08 MB/sec execute 64 sec latency 164.444 ms 1 1740 0.08 MB/sec execute 65 sec latency 108.852 ms 1 1789 0.08 MB/sec execute 66 sec latency 104.044 ms 1 1830 0.08 MB/sec execute 67 sec latency 130.342 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 04:45:07 EDT 2026 with return code 0 1 1871 0.08 MB/sec execute 68 sec latency 103.115 ms 67903 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67903 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished