== replay-dual test 26: dbench and tar with mds failover ========================================================== 13:20:37 (1788628837) Starting client oleg459-client.virtnet: -o user_xattr,flock 192.168.204.159@tcp:/lustre /mnt/lustre Started clients oleg459-client.virtnet: 192.168.204.159@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 65640 Started dbench loop with 65641 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3588920 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194396 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 13:20:44 EDT 2026 waiting for dbench pid 65718 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 97.257 ms 1 52 1.05 MB/sec warmup 2 sec latency 155.203 ms 1 107 1.68 MB/sec warmup 3 sec latency 134.337 ms 1 132 1.44 MB/sec warmup 4 sec latency 190.714 ms 1 158 1.31 MB/sec warmup 5 sec latency 203.482 ms 1 172 1.18 MB/sec warmup 6 sec latency 609.220 ms 1 184 1.05 MB/sec warmup 7 sec latency 929.406 ms 1 200 0.98 MB/sec warmup 8 sec latency 599.083 ms 1 237 1.01 MB/sec warmup 9 sec latency 163.920 ms 1 271 1.02 MB/sec warmup 10 sec latency 169.810 ms test_26 fail mds1 1 times 1 297 1.00 MB/sec warmup 11 sec latency 166.315 ms 1 323 0.98 MB/sec warmup 12 sec latency 204.682 ms Failing mds1 on oleg459-server 1 350 0.96 MB/sec warmup 13 sec latency 159.503 ms Stopping /mnt/lustre-mds1 (opts:) on oleg459-server 1 389 0.99 MB/sec warmup 14 sec latency 163.132 ms 1 404 0.96 MB/sec warmup 15 sec latency 622.909 ms 1 404 0.90 MB/sec warmup 16 sec latency 1629.471 ms 13:21:01 (1788628861) shut down facet: mds1 facet_host: oleg459-server facet_failover_host: oleg459-server 1 404 0.84 MB/sec warmup 17 sec latency 2630.510 ms 1 404 0.80 MB/sec warmup 18 sec latency 3631.647 ms 1 404 0.75 MB/sec warmup 19 sec latency 4631.909 ms 1 404 0.00 MB/sec execute 1 sec latency 6633.425 ms 1 404 0.00 MB/sec execute 2 sec latency 7633.714 ms 1 404 0.00 MB/sec execute 3 sec latency 8634.366 ms 1 404 0.00 MB/sec execute 4 sec latency 9635.146 ms 1 404 0.00 MB/sec execute 5 sec latency 10636.322 ms 1 404 0.00 MB/sec execute 6 sec latency 11639.170 ms 1 404 0.00 MB/sec execute 7 sec latency 12639.479 ms Failover mds1 to oleg459-server mount facets: mds1 1 404 0.00 MB/sec execute 8 sec latency 13639.814 ms 1 404 0.00 MB/sec execute 9 sec latency 14640.252 ms 1 404 0.00 MB/sec execute 10 sec latency 15640.727 ms 1 404 0.00 MB/sec execute 11 sec latency 16641.705 ms 1 404 0.00 MB/sec execute 12 sec latency 17641.960 ms 1 404 0.00 MB/sec execute 13 sec latency 18642.312 ms 1 404 0.00 MB/sec execute 14 sec latency 19643.607 ms 1 404 0.00 MB/sec execute 15 sec latency 20643.788 ms 1 404 0.00 MB/sec execute 16 sec latency 21645.631 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 404 0.00 MB/sec execute 17 sec latency 22646.498 ms 1 404 0.00 MB/sec execute 18 sec latency 23647.631 ms 1 404 0.00 MB/sec execute 19 sec latency 24647.831 ms 1 404 0.00 MB/sec execute 20 sec latency 25648.178 ms 1 404 0.00 MB/sec execute 21 sec latency 26652.377 ms 1 404 0.00 MB/sec execute 22 sec latency 27653.029 ms 1 404 0.00 MB/sec execute 23 sec latency 28655.375 ms 1 404 0.00 MB/sec execute 24 sec latency 29657.712 ms 1 404 0.00 MB/sec execute 25 sec latency 30658.110 ms 1 404 0.00 MB/sec execute 26 sec latency 31658.307 ms 1 404 0.00 MB/sec execute 27 sec latency 32658.669 ms 1 404 0.00 MB/sec execute 28 sec latency 33658.945 ms 1 404 0.00 MB/sec execute 29 sec latency 34662.217 ms oleg459-server: oleg459-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 30 sec latency 35662.455 ms pdsh@oleg459-client: oleg459-server: ssh exited with exit code 1 1 404 0.00 MB/sec execute 31 sec latency 36664.733 ms Started lustre-MDT0000 1 406 0.00 MB/sec execute 32 sec latency 37550.220 ms 13:21:37 (1788628897) targets are mounted 13:21:37 (1788628897) facet_failover done 1 470 0.06 MB/sec execute 33 sec latency 102.339 ms 1 494 0.08 MB/sec execute 34 sec latency 295.845 ms 1 513 0.10 MB/sec execute 35 sec latency 255.294 ms 1 552 0.13 MB/sec execute 36 sec latency 168.720 ms 1 582 0.15 MB/sec execute 37 sec latency 762.589 ms 1 636 0.18 MB/sec execute 38 sec latency 135.164 ms 1 661 0.17 MB/sec execute 39 sec latency 128.954 ms 1 689 0.17 MB/sec execute 40 sec latency 154.316 ms oleg459-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 711 0.17 MB/sec execute 41 sec latency 149.523 ms 1 736 0.17 MB/sec execute 42 sec latency 153.749 ms 1 765 0.16 MB/sec execute 43 sec latency 147.878 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.16 MB/sec execute 44 sec latency 157.391 ms 1 815 0.16 MB/sec execute 45 sec latency 104.100 ms 1 851 0.16 MB/sec execute 46 sec latency 216.039 ms 1 881 0.16 MB/sec execute 47 sec latency 239.365 ms 1 904 0.15 MB/sec execute 48 sec latency 178.096 ms 1 921 0.15 MB/sec execute 49 sec latency 190.837 ms 1 952 0.15 MB/sec execute 50 sec latency 149.839 ms 1 980 0.15 MB/sec execute 51 sec latency 135.165 ms 1 1028 0.16 MB/sec execute 52 sec latency 138.980 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36092 3567752 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 16380 3582236 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52472 7149988 1% /mnt/lustre 1 1060 0.16 MB/sec execute 53 sec latency 112.522 ms 1 1099 0.16 MB/sec execute 54 sec latency 104.528 ms 1 1130 0.16 MB/sec execute 55 sec latency 105.530 ms 1 1172 0.15 MB/sec execute 56 sec latency 106.323 ms 1 1181 0.15 MB/sec execute 57 sec latency 705.572 ms 1 1216 0.15 MB/sec execute 58 sec latency 96.985 ms 1 1240 0.15 MB/sec execute 59 sec latency 177.111 ms 1 1268 0.15 MB/sec execute 60 sec latency 179.461 ms 1 1379 0.19 MB/sec execute 61 sec latency 304.598 ms 1 1403 0.19 MB/sec execute 62 sec latency 125.688 ms 1 1439 0.18 MB/sec execute 63 sec latency 121.843 ms 1 1486 0.18 MB/sec execute 64 sec latency 104.738 ms test_26 fail mds2 2 times 1 1509 0.18 MB/sec execute 65 sec latency 157.214 ms 1 1538 0.18 MB/sec execute 66 sec latency 189.299 ms Failing mds2 on oleg459-server 1 1564 0.18 MB/sec execute 67 sec latency 125.865 ms 1 1605 0.17 MB/sec execute 68 sec latency 111.537 ms Stopping /mnt/lustre-mds2 (opts:) on oleg459-server 1 1643 0.17 MB/sec execute 69 sec latency 149.584 ms 1 1680 0.17 MB/sec execute 70 sec latency 158.746 ms 1 1721 0.17 MB/sec execute 71 sec latency 167.769 ms 1 1773 0.17 MB/sec execute 72 sec latency 112.983 ms 13:22:17 (1788628937) shut down facet: mds2 facet_host: oleg459-server facet_failover_host: oleg459-server 1 1820 0.16 MB/sec execute 73 sec latency 115.525 ms 1 1861 0.16 MB/sec execute 74 sec latency 113.115 ms 1 1935 0.16 MB/sec execute 75 sec latency 103.081 ms 1 1986 0.16 MB/sec execute 76 sec latency 93.662 ms 1 2022 0.16 MB/sec execute 77 sec latency 119.060 ms 1 2103 0.16 MB/sec execute 78 sec latency 82.054 ms 1 2168 0.16 MB/sec execute 79 sec latency 75.419 ms 1 2221 0.15 MB/sec execute 80 sec latency 93.117 ms 1 2259 0.15 MB/sec execute 81 sec latency 653.194 ms 1 2259 0.15 MB/sec execute 82 sec latency 1653.478 ms Failover mds2 to oleg459-server mount facets: mds2 1 2259 0.15 MB/sec execute 83 sec latency 2662.493 ms 1 2259 0.15 MB/sec execute 84 sec latency 3664.706 ms 1 2259 0.15 MB/sec execute 85 sec latency 4664.907 ms 1 2259 0.14 MB/sec execute 86 sec latency 5666.258 ms 1 2259 0.14 MB/sec execute 87 sec latency 6666.460 ms 1 2259 0.14 MB/sec execute 88 sec latency 7667.497 ms 1 2259 0.14 MB/sec execute 89 sec latency 8668.141 ms 1 2259 0.14 MB/sec execute 90 sec latency 9671.035 ms 1 2259 0.14 MB/sec execute 91 sec latency 10671.346 ms 1 2259 0.13 MB/sec execute 92 sec latency 11682.401 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 93 sec latency 12682.792 ms 1 2259 0.13 MB/sec execute 94 sec latency 13689.050 ms 1 2259 0.13 MB/sec execute 95 sec latency 14690.235 ms 1 2259 0.13 MB/sec execute 96 sec latency 15690.523 ms 1 2259 0.13 MB/sec execute 97 sec latency 16691.270 ms 1 2259 0.13 MB/sec execute 98 sec latency 17692.184 ms 1 2259 0.13 MB/sec execute 99 sec latency 18693.407 ms oleg459-server: oleg459-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg459-client: oleg459-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 13:22:47 (1788628967) targets are mounted 13:22:47 (1788628967) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 332 133.272 21363.996 Close 289 144.212 37550.188 Rename 11 128.790 179.430 Unlink 30 39.026 101.147 Qpathinfo 295 17.734 112.493 Qfileinfo 81 2.747 31.381 Qfsinfo 33 5.594 40.040 Sfileinfo 34 84.937 190.824 Find 92 14.813 51.773 WriteX 281 15.281 107.671 ReadX 348 3.596 124.795 Flush 30 68.610 132.706 Throughput 0.125415 MB/sec 1 clients 1 procs max_latency=37550.220 ms stopping dbench on /mnt/lustre at Sat Sep 5 13:22:50 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench oleg459-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-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 Sat Sep 5 13:23:00 EDT 2026 waiting for dbench pid 67798 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 0 10 0.00 MB/sec warmup 1 sec latency 95.489 ms 1 67 1.47 MB/sec warmup 2 sec latency 140.619 ms 1 113 1.75 MB/sec warmup 3 sec latency 175.910 ms 1 145 1.55 MB/sec warmup 4 sec latency 217.957 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2400 1268904 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2140 1269164 1% /mnt/lustre[MDT:1] 1 165 1.36 MB/sec warmup 5 sec latency 214.244 ms lustre-OST0000_UUID 3833116 11528 3591020 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35724 3570076 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47252 7161096 1% /mnt/lustre 1 184 1.23 MB/sec warmup 6 sec latency 388.153 ms 1 214 1.19 MB/sec warmup 7 sec latency 405.755 ms 1 247 1.17 MB/sec warmup 8 sec latency 128.407 ms 1 279 1.16 MB/sec warmup 9 sec latency 153.563 ms 1 312 1.15 MB/sec warmup 10 sec latency 154.229 ms 1 332 1.09 MB/sec warmup 11 sec latency 201.243 ms 1 339 1.02 MB/sec warmup 12 sec latency 924.732 ms 1 358 0.98 MB/sec warmup 13 sec latency 1099.787 ms 1 389 0.99 MB/sec warmup 14 sec latency 198.315 ms 1 432 1.01 MB/sec warmup 15 sec latency 108.773 ms test_26 fail mds1 3 times 1 469 1.02 MB/sec warmup 16 sec latency 117.526 ms 1 501 1.03 MB/sec warmup 17 sec latency 124.695 ms 1 522 1.00 MB/sec warmup 18 sec latency 188.048 ms Failing mds1 on oleg459-server 1 603 1.10 MB/sec warmup 19 sec latency 165.192 ms Stopping /mnt/lustre-mds1 (opts:) on oleg459-server 1 674 0.11 MB/sec execute 1 sec latency 139.219 ms 1 674 0.05 MB/sec execute 2 sec latency 1136.821 ms 1 674 0.04 MB/sec execute 3 sec latency 2137.077 ms 1 674 0.03 MB/sec execute 4 sec latency 3138.223 ms 1 674 0.02 MB/sec execute 5 sec latency 4139.337 ms 1 674 0.02 MB/sec execute 6 sec latency 5141.519 ms 1 674 0.02 MB/sec execute 7 sec latency 6142.047 ms 1 674 0.01 MB/sec execute 8 sec latency 7150.057 ms 1 674 0.01 MB/sec execute 9 sec latency 8150.300 ms 13:23:29 (1788629009) shut down facet: mds1 facet_host: oleg459-server facet_failover_host: oleg459-server 1 674 0.01 MB/sec execute 10 sec latency 9150.939 ms 1 674 0.01 MB/sec execute 11 sec latency 10151.535 ms 1 674 0.01 MB/sec execute 12 sec latency 11151.823 ms 1 674 0.01 MB/sec execute 13 sec latency 12152.106 ms 1 674 0.01 MB/sec execute 14 sec latency 13152.450 ms 1 674 0.01 MB/sec execute 15 sec latency 14154.374 ms 1 674 0.01 MB/sec execute 16 sec latency 15154.929 ms 1 674 0.01 MB/sec execute 17 sec latency 16155.305 ms 1 674 0.01 MB/sec execute 18 sec latency 17157.533 ms 1 674 0.01 MB/sec execute 19 sec latency 18160.947 ms Failover mds1 to oleg459-server mount facets: mds1 1 674 0.01 MB/sec execute 20 sec latency 19162.392 ms 1 674 0.01 MB/sec execute 21 sec latency 20162.975 ms 1 674 0.00 MB/sec execute 22 sec latency 21163.193 ms 1 674 0.00 MB/sec execute 23 sec latency 22163.415 ms 1 674 0.00 MB/sec execute 24 sec latency 23163.699 ms 1 674 0.00 MB/sec execute 25 sec latency 24166.470 ms 1 674 0.00 MB/sec execute 26 sec latency 25167.432 ms 1 674 0.00 MB/sec execute 27 sec latency 26167.953 ms 1 674 0.00 MB/sec execute 28 sec latency 27168.144 ms 1 674 0.00 MB/sec execute 29 sec latency 28171.466 ms 1 674 0.00 MB/sec execute 30 sec latency 29171.997 ms 1 674 0.00 MB/sec execute 31 sec latency 30172.766 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 32 sec latency 31172.965 ms 1 674 0.00 MB/sec execute 33 sec latency 32173.332 ms 1 674 0.00 MB/sec execute 34 sec latency 33173.543 ms 1 674 0.00 MB/sec execute 35 sec latency 34173.889 ms 1 674 0.00 MB/sec execute 36 sec latency 35179.137 ms 1 674 0.00 MB/sec execute 37 sec latency 36179.429 ms 1 674 0.00 MB/sec execute 38 sec latency 37181.840 ms 1 674 0.00 MB/sec execute 39 sec latency 38182.084 ms 1 674 0.00 MB/sec execute 40 sec latency 39182.370 ms 1 674 0.00 MB/sec execute 41 sec latency 40184.899 ms oleg459-server: oleg459-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 42 sec latency 41185.215 ms pdsh@oleg459-client: oleg459-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 43 sec latency 42187.202 ms 1 680 0.00 MB/sec execute 44 sec latency 42894.827 ms Started lustre-MDT0000 13:24:04 (1788629044) targets are mounted 13:24:04 (1788629044) facet_failover done 1 710 0.00 MB/sec execute 45 sec latency 136.447 ms 1 738 0.01 MB/sec execute 46 sec latency 148.118 ms 1 776 0.01 MB/sec execute 47 sec latency 198.378 ms 1 803 0.01 MB/sec execute 48 sec latency 133.023 ms 1 848 0.01 MB/sec execute 49 sec latency 176.656 ms 1 884 0.01 MB/sec execute 50 sec latency 107.192 ms 1 888 0.01 MB/sec execute 51 sec latency 859.834 ms oleg459-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 914 0.01 MB/sec execute 52 sec latency 140.579 ms 1 952 0.01 MB/sec execute 53 sec latency 113.152 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 980 0.02 MB/sec execute 54 sec latency 150.750 ms 1 1000 0.02 MB/sec execute 55 sec latency 145.812 ms 1 1074 0.03 MB/sec execute 56 sec latency 57.122 ms 1 1124 0.03 MB/sec execute 57 sec latency 108.222 ms 1 1160 0.03 MB/sec execute 58 sec latency 90.874 ms 1 1209 0.03 MB/sec execute 59 sec latency 102.030 ms 1 1244 0.03 MB/sec execute 60 sec latency 95.668 ms 1 1281 0.03 MB/sec execute 61 sec latency 112.781 ms 1 1410 0.08 MB/sec execute 62 sec latency 103.595 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1451 0.08 MB/sec execute 63 sec latency 98.296 ms 1 1474 0.08 MB/sec execute 64 sec latency 416.322 ms 1 1505 0.08 MB/sec execute 65 sec latency 140.854 ms 1 1532 0.08 MB/sec execute 66 sec latency 112.314 ms 1 1576 0.08 MB/sec execute 67 sec latency 111.206 ms 1 1606 0.07 MB/sec execute 68 sec latency 114.972 ms 1 1643 0.07 MB/sec execute 69 sec latency 146.721 ms 1 1671 0.07 MB/sec execute 70 sec latency 135.239 ms 1 1691 0.07 MB/sec execute 71 sec latency 184.511 ms 1 1746 0.07 MB/sec execute 72 sec latency 102.197 ms 1 1775 0.07 MB/sec execute 73 sec latency 132.159 ms 1 1823 0.07 MB/sec execute 74 sec latency 129.626 ms 1 1861 0.07 MB/sec execute 75 sec latency 126.938 ms 1 1909 0.07 MB/sec execute 76 sec latency 117.237 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 13:24:36 EDT 2026 with return code 0 67798 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67798 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished