== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:04:04 (1786964644) Starting client oleg439-client.virtnet: -o user_xattr,flock 192.168.204.139@tcp:/lustre /mnt/lustre Started clients oleg439-client.virtnet: 192.168.204.139@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 45246 Started dbench loop with 45247 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 22528 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 24576 7501824 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 Mon Aug 17 07:04:11 EDT 2026 waiting for dbench pid 45316 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 30 1.04 MB/sec warmup 1 sec latency 36.502 ms 1 80 1.77 MB/sec warmup 2 sec latency 145.598 ms 1 122 1.83 MB/sec warmup 3 sec latency 218.838 ms 1 157 1.63 MB/sec warmup 4 sec latency 157.208 ms 1 184 1.47 MB/sec warmup 5 sec latency 145.253 ms test_26 fail mds1 1 times 1 207 1.35 MB/sec warmup 6 sec latency 182.430 ms 1 231 1.27 MB/sec warmup 7 sec latency 221.006 ms 1 263 1.24 MB/sec warmup 8 sec latency 159.355 ms Failing mds1 on oleg439-server 1 287 1.19 MB/sec warmup 9 sec latency 202.259 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 309 1.13 MB/sec warmup 10 sec latency 201.016 ms 1 324 1.06 MB/sec warmup 11 sec latency 241.753 ms 1 339 1.02 MB/sec warmup 12 sec latency 595.566 ms 1 339 0.94 MB/sec warmup 13 sec latency 1596.103 ms 1 339 0.87 MB/sec warmup 14 sec latency 2596.395 ms 07:04:26 (1786964666) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 339 0.82 MB/sec warmup 15 sec latency 3596.964 ms 1 339 0.76 MB/sec warmup 16 sec latency 4598.346 ms 1 339 0.72 MB/sec warmup 17 sec latency 5599.753 ms 1 339 0.68 MB/sec warmup 18 sec latency 6600.056 ms 1 339 0.64 MB/sec warmup 19 sec latency 7600.377 ms 1 339 0.00 MB/sec execute 1 sec latency 9601.003 ms 1 339 0.00 MB/sec execute 2 sec latency 10603.031 ms 1 339 0.00 MB/sec execute 3 sec latency 11605.684 ms 1 339 0.00 MB/sec execute 4 sec latency 12607.008 ms 1 339 0.00 MB/sec execute 5 sec latency 13608.047 ms Failover mds1 to oleg439-server mount facets: mds1 1 339 0.00 MB/sec execute 6 sec latency 14609.563 ms 1 339 0.00 MB/sec execute 7 sec latency 15610.698 ms 1 339 0.00 MB/sec execute 8 sec latency 16613.273 ms 1 339 0.00 MB/sec execute 9 sec latency 17613.478 ms 1 339 0.00 MB/sec execute 10 sec latency 18613.655 ms 1 339 0.00 MB/sec execute 11 sec latency 19613.904 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 339 0.00 MB/sec execute 12 sec latency 20614.964 ms 1 339 0.00 MB/sec execute 13 sec latency 21615.416 ms 1 339 0.00 MB/sec execute 14 sec latency 22615.855 ms 1 339 0.00 MB/sec execute 15 sec latency 23616.225 ms 1 339 0.00 MB/sec execute 16 sec latency 24618.230 ms 1 339 0.00 MB/sec execute 17 sec latency 25619.415 ms 1 339 0.00 MB/sec execute 18 sec latency 26621.169 ms 1 339 0.00 MB/sec execute 19 sec latency 27622.370 ms 1 339 0.00 MB/sec execute 20 sec latency 28623.279 ms 1 339 0.00 MB/sec execute 21 sec latency 29623.986 ms 1 339 0.00 MB/sec execute 22 sec latency 30624.434 ms 1 339 0.00 MB/sec execute 23 sec latency 31624.701 ms 1 339 0.00 MB/sec execute 24 sec latency 32624.977 ms 1 339 0.00 MB/sec execute 25 sec latency 33627.194 ms 1 339 0.00 MB/sec execute 26 sec latency 34627.895 ms 1 339 0.00 MB/sec execute 27 sec latency 35629.772 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 28 sec latency 36630.481 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 29 sec latency 37631.034 ms Started lustre-MDT0000 07:05:01 (1786964701) targets are mounted 07:05:01 (1786964701) facet_failover done 1 339 0.00 MB/sec execute 30 sec latency 38633.400 ms 1 339 0.00 MB/sec execute 31 sec latency 39633.600 ms 1 339 0.00 MB/sec execute 32 sec latency 40634.868 ms 1 349 0.01 MB/sec execute 33 sec latency 41341.890 ms 1 390 0.05 MB/sec execute 34 sec latency 107.936 ms 1 431 0.08 MB/sec execute 35 sec latency 148.651 ms 1 461 0.11 MB/sec execute 36 sec latency 194.314 ms 1 493 0.13 MB/sec execute 37 sec latency 146.265 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 520 0.15 MB/sec execute 38 sec latency 190.979 ms 1 577 0.19 MB/sec execute 39 sec latency 154.506 ms 1 618 0.22 MB/sec execute 40 sec latency 113.514 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.22 MB/sec execute 41 sec latency 130.479 ms 1 676 0.21 MB/sec execute 42 sec latency 264.321 ms 1 710 0.21 MB/sec execute 43 sec latency 138.162 ms 1 730 0.21 MB/sec execute 44 sec latency 304.033 ms 1 749 0.20 MB/sec execute 45 sec latency 140.151 ms 1 780 0.20 MB/sec execute 46 sec latency 131.911 ms 1 796 0.20 MB/sec execute 47 sec latency 447.200 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 3663872 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3722240 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7386112 1% /mnt/lustre 1 816 0.19 MB/sec execute 48 sec latency 138.968 ms 1 857 0.19 MB/sec execute 49 sec latency 137.518 ms 1 876 0.19 MB/sec execute 50 sec latency 446.972 ms 1 904 0.18 MB/sec execute 51 sec latency 153.188 ms 1 929 0.18 MB/sec execute 52 sec latency 152.432 ms 1 969 0.18 MB/sec execute 53 sec latency 130.622 ms 1 988 0.18 MB/sec execute 54 sec latency 259.260 ms test_26 fail mds1 2 times 1 1058 0.19 MB/sec execute 55 sec latency 103.659 ms 1 1085 0.19 MB/sec execute 56 sec latency 108.286 ms 1 1126 0.19 MB/sec execute 57 sec latency 91.508 ms Failing mds1 on oleg439-server 1 1156 0.18 MB/sec execute 58 sec latency 131.214 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 1181 0.18 MB/sec execute 59 sec latency 120.813 ms 1 1198 0.18 MB/sec execute 60 sec latency 479.341 ms 1 1198 0.18 MB/sec execute 61 sec latency 1480.641 ms 1 1198 0.17 MB/sec execute 62 sec latency 2480.928 ms 1 1198 0.17 MB/sec execute 63 sec latency 3483.482 ms 1 1198 0.17 MB/sec execute 64 sec latency 4484.355 ms 1 1198 0.17 MB/sec execute 65 sec latency 5484.610 ms 1 1198 0.16 MB/sec execute 66 sec latency 6485.904 ms 1 1198 0.16 MB/sec execute 67 sec latency 7486.674 ms 1 1198 0.16 MB/sec execute 68 sec latency 8488.773 ms 07:05:40 (1786964740) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 1198 0.16 MB/sec execute 69 sec latency 9489.020 ms 1 1198 0.15 MB/sec execute 70 sec latency 10489.663 ms 1 1198 0.15 MB/sec execute 71 sec latency 11489.948 ms 1 1198 0.15 MB/sec execute 72 sec latency 12490.218 ms 1 1198 0.15 MB/sec execute 73 sec latency 13490.472 ms 1 1198 0.15 MB/sec execute 74 sec latency 14497.960 ms 1 1198 0.14 MB/sec execute 75 sec latency 15499.860 ms 1 1198 0.14 MB/sec execute 76 sec latency 16500.084 ms 1 1198 0.14 MB/sec execute 77 sec latency 17501.194 ms 1 1198 0.14 MB/sec execute 78 sec latency 18505.003 ms 1 1198 0.14 MB/sec execute 79 sec latency 19505.780 ms Failover mds1 to oleg439-server mount facets: mds1 1 1198 0.13 MB/sec execute 80 sec latency 20508.380 ms 1 1198 0.13 MB/sec execute 81 sec latency 21508.636 ms 1 1198 0.13 MB/sec execute 82 sec latency 22508.905 ms 1 1198 0.13 MB/sec execute 83 sec latency 23509.192 ms 1 1198 0.13 MB/sec execute 84 sec latency 24509.428 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1198 0.13 MB/sec execute 85 sec latency 25509.697 ms 1 1198 0.13 MB/sec execute 86 sec latency 26512.620 ms 1 1198 0.12 MB/sec execute 87 sec latency 27513.584 ms 1 1198 0.12 MB/sec execute 88 sec latency 28513.947 ms 1 1198 0.12 MB/sec execute 89 sec latency 29514.229 ms 1 1198 0.12 MB/sec execute 90 sec latency 30514.479 ms 1 1198 0.12 MB/sec execute 91 sec latency 31514.769 ms 1 1198 0.12 MB/sec execute 92 sec latency 32515.011 ms 1 1198 0.12 MB/sec execute 93 sec latency 33515.387 ms 1 1198 0.11 MB/sec execute 94 sec latency 34515.596 ms 1 1198 0.11 MB/sec execute 95 sec latency 35515.782 ms 1 1198 0.11 MB/sec execute 96 sec latency 36515.978 ms 1 1198 0.11 MB/sec execute 97 sec latency 37517.662 ms 1 1198 0.11 MB/sec execute 98 sec latency 38517.932 ms 1 1198 0.11 MB/sec execute 99 sec latency 39518.442 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0000 1 cleanup 102 sec 07:06:13 (1786964773) targets are mounted 07:06:13 (1786964773) facet_failover done 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 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 0 cleanup 124 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 122 911.969 59644.364 Close 111 16.065 66.349 Rename 7 101.636 147.329 Unlink 13 41.297 58.369 Qpathinfo 72 29.276 141.989 Qfileinfo 51 2.724 15.418 Qfsinfo 28 6.010 36.001 Sfileinfo 27 72.950 140.130 Find 36 9.686 75.348 WriteX 246 16.073 70.467 ReadX 123 6.600 103.624 Flush 24 167.954 447.182 Throughput 0.108768 MB/sec 1 clients 1 procs max_latency=41341.890 ms stopping dbench on /mnt/lustre at Mon Aug 17 07:06:35 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg439-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 Mon Aug 17 07:06:42 EDT 2026 waiting for dbench pid 47257 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 31 1.04 MB/sec warmup 1 sec latency 75.010 ms 1 74 1.57 MB/sec warmup 2 sec latency 159.243 ms 1 122 1.83 MB/sec warmup 3 sec latency 156.262 ms 1 155 1.63 MB/sec warmup 4 sec latency 154.965 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 40960 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 3072 3752960 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 44032 7455744 1% /mnt/lustre 1 181 1.46 MB/sec warmup 5 sec latency 189.878 ms 1 208 1.35 MB/sec warmup 6 sec latency 219.433 ms 1 248 1.34 MB/sec warmup 7 sec latency 120.487 ms 1 280 1.30 MB/sec warmup 8 sec latency 196.766 ms 1 316 1.27 MB/sec warmup 9 sec latency 126.997 ms 1 350 1.25 MB/sec warmup 10 sec latency 142.901 ms test_26 fail mds1 3 times 1 389 1.25 MB/sec warmup 11 sec latency 121.040 ms 1 421 1.24 MB/sec warmup 12 sec latency 167.316 ms 1 446 1.20 MB/sec warmup 13 sec latency 154.537 ms Failing mds1 on oleg439-server 1 477 1.19 MB/sec warmup 14 sec latency 181.615 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 507 1.17 MB/sec warmup 15 sec latency 191.191 ms 1 541 1.19 MB/sec warmup 16 sec latency 147.821 ms 1 541 1.12 MB/sec warmup 17 sec latency 1064.275 ms 1 541 1.06 MB/sec warmup 18 sec latency 2064.533 ms 07:07:01 (1786964821) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 541 1.00 MB/sec warmup 19 sec latency 3064.828 ms 1 541 0.00 MB/sec execute 1 sec latency 5066.226 ms 1 541 0.00 MB/sec execute 2 sec latency 6066.510 ms 1 541 0.00 MB/sec execute 3 sec latency 7066.770 ms 1 541 0.00 MB/sec execute 4 sec latency 8069.544 ms 1 541 0.00 MB/sec execute 5 sec latency 9069.761 ms 1 541 0.00 MB/sec execute 6 sec latency 10070.073 ms 1 541 0.00 MB/sec execute 7 sec latency 11070.819 ms 1 541 0.00 MB/sec execute 8 sec latency 12072.554 ms 1 541 0.00 MB/sec execute 9 sec latency 13077.185 ms Failover mds1 to oleg439-server mount facets: mds1 1 541 0.00 MB/sec execute 10 sec latency 14078.680 ms 1 541 0.00 MB/sec execute 11 sec latency 15078.981 ms 1 541 0.00 MB/sec execute 12 sec latency 16079.224 ms 1 541 0.00 MB/sec execute 13 sec latency 17079.477 ms 1 541 0.00 MB/sec execute 14 sec latency 18081.157 ms 1 541 0.00 MB/sec execute 15 sec latency 19081.735 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 541 0.00 MB/sec execute 16 sec latency 20082.462 ms 1 541 0.00 MB/sec execute 17 sec latency 21083.345 ms 1 541 0.00 MB/sec execute 18 sec latency 22083.746 ms 1 541 0.00 MB/sec execute 19 sec latency 23084.125 ms 1 541 0.00 MB/sec execute 20 sec latency 24084.347 ms 1 541 0.00 MB/sec execute 21 sec latency 25084.550 ms 1 541 0.00 MB/sec execute 22 sec latency 26090.875 ms 1 541 0.00 MB/sec execute 23 sec latency 27092.233 ms 1 541 0.00 MB/sec execute 24 sec latency 28092.653 ms 1 541 0.00 MB/sec execute 25 sec latency 29092.982 ms 1 541 0.00 MB/sec execute 26 sec latency 30093.324 ms 1 541 0.00 MB/sec execute 27 sec latency 31093.571 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 28 sec latency 32103.680 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 541 0.00 MB/sec execute 29 sec latency 33104.335 ms Started lustre-MDT0000 1 541 0.00 MB/sec execute 30 sec latency 34105.102 ms 07:07:33 (1786964853) targets are mounted 07:07:33 (1786964853) facet_failover done 1 541 0.00 MB/sec execute 31 sec latency 35108.077 ms 1 541 0.00 MB/sec execute 32 sec latency 36108.312 ms 1 541 0.00 MB/sec execute 33 sec latency 37108.543 ms 1 541 0.00 MB/sec execute 34 sec latency 38109.199 ms 1 541 0.00 MB/sec execute 35 sec latency 39115.858 ms 1 541 0.00 MB/sec execute 36 sec latency 40118.689 ms 1 541 0.00 MB/sec execute 37 sec latency 41119.452 ms 1 541 0.00 MB/sec execute 38 sec latency 42119.647 ms 1 579 0.01 MB/sec execute 39 sec latency 42407.996 ms 1 636 0.05 MB/sec execute 40 sec latency 132.050 ms 1 661 0.05 MB/sec execute 41 sec latency 113.781 ms 1 674 0.05 MB/sec execute 42 sec latency 311.003 ms 1 697 0.05 MB/sec execute 43 sec latency 173.383 ms 1 721 0.05 MB/sec execute 44 sec latency 168.881 ms 1 733 0.05 MB/sec execute 45 sec latency 348.135 ms 1 769 0.05 MB/sec execute 46 sec latency 200.512 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 791 0.05 MB/sec execute 47 sec latency 258.547 ms 1 806 0.05 MB/sec execute 48 sec latency 177.006 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 851 0.05 MB/sec execute 49 sec latency 116.352 ms 1 876 0.05 MB/sec execute 50 sec latency 382.780 ms 1 894 0.05 MB/sec execute 51 sec latency 167.878 ms 1 914 0.05 MB/sec execute 52 sec latency 341.583 ms 1 939 0.05 MB/sec execute 53 sec latency 161.917 ms 1 969 0.05 MB/sec execute 54 sec latency 138.388 ms 1 993 0.05 MB/sec execute 55 sec latency 153.084 ms 1 1051 0.07 MB/sec execute 56 sec latency 203.552 ms 1 1092 0.07 MB/sec execute 57 sec latency 123.487 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1146 0.07 MB/sec execute 58 sec latency 103.087 ms 1 1188 0.07 MB/sec execute 59 sec latency 141.977 ms 1 1230 0.07 MB/sec execute 60 sec latency 72.759 ms 1 1263 0.07 MB/sec execute 61 sec latency 123.841 ms 1 1391 0.11 MB/sec execute 62 sec latency 121.822 ms 1 1435 0.11 MB/sec execute 63 sec latency 79.679 ms 1 1481 0.11 MB/sec execute 64 sec latency 157.954 ms 1 1509 0.11 MB/sec execute 65 sec latency 382.600 ms 1 1562 0.11 MB/sec execute 66 sec latency 100.085 ms 1 1597 0.11 MB/sec execute 67 sec latency 76.517 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1634 0.10 MB/sec execute 68 sec latency 291.142 ms stopping dbench on /mnt/lustre at Mon Aug 17 07:08:11 EDT 2026 with return code 0 47257 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47257 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished