== replay-dual test 26: dbench and tar with mds failover ========================================================== 21:23:38 (1786065818) Starting client oleg620-client.virtnet: -o user_xattr,flock 192.168.206.120@tcp:/lustre /mnt/lustre Started clients oleg620-client.virtnet: 192.168.206.120@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 45288 Started dbench loop with 45289 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 10240 3731456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7496704 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 6 21:23:44 EDT 2026 waiting for dbench pid 45359 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 14 0.00 MB/sec warmup 1 sec latency 183.511 ms 1 70 1.56 MB/sec warmup 2 sec latency 244.777 ms 1 112 1.74 MB/sec warmup 3 sec latency 211.441 ms 1 139 1.50 MB/sec warmup 4 sec latency 193.544 ms 1 176 1.41 MB/sec warmup 5 sec latency 146.624 ms test_26 fail mds1 1 times 1 198 1.30 MB/sec warmup 6 sec latency 181.188 ms 1 232 1.27 MB/sec warmup 7 sec latency 160.159 ms Failing mds1 on oleg620-server 1 263 1.24 MB/sec warmup 8 sec latency 151.323 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 292 1.19 MB/sec warmup 9 sec latency 171.632 ms 1 312 1.15 MB/sec warmup 10 sec latency 448.941 ms 1 312 1.04 MB/sec warmup 11 sec latency 1449.652 ms 1 312 0.95 MB/sec warmup 12 sec latency 2451.201 ms 21:23:56 (1786065836) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 312 0.88 MB/sec warmup 13 sec latency 3453.522 ms 1 312 0.82 MB/sec warmup 14 sec latency 4453.763 ms 1 312 0.76 MB/sec warmup 15 sec latency 5454.912 ms 1 312 0.72 MB/sec warmup 16 sec latency 6455.139 ms 1 312 0.67 MB/sec warmup 17 sec latency 7455.405 ms 1 312 0.64 MB/sec warmup 18 sec latency 8458.601 ms 1 312 0.60 MB/sec warmup 19 sec latency 9459.445 ms 1 312 0.00 MB/sec execute 1 sec latency 11460.231 ms 1 312 0.00 MB/sec execute 2 sec latency 12460.412 ms Failover mds1 to oleg620-server mount facets: mds1 1 312 0.00 MB/sec execute 3 sec latency 13461.429 ms 1 312 0.00 MB/sec execute 4 sec latency 14461.581 ms 1 312 0.00 MB/sec execute 5 sec latency 15461.785 ms 1 312 0.00 MB/sec execute 6 sec latency 16462.041 ms 1 312 0.00 MB/sec execute 7 sec latency 17463.782 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 312 0.00 MB/sec execute 8 sec latency 18464.126 ms 1 312 0.00 MB/sec execute 9 sec latency 19466.363 ms 1 312 0.00 MB/sec execute 10 sec latency 20469.667 ms 1 312 0.00 MB/sec execute 11 sec latency 21469.891 ms 1 312 0.00 MB/sec execute 12 sec latency 22471.843 ms 1 312 0.00 MB/sec execute 13 sec latency 23472.331 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 14 sec latency 24472.868 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 15 sec latency 25473.218 ms Started lustre-MDT0000 21:24:20 (1786065860) targets are mounted 21:24:20 (1786065860) facet_failover done 1 312 0.00 MB/sec execute 16 sec latency 26473.966 ms 1 312 0.00 MB/sec execute 17 sec latency 27476.216 ms 1 312 0.00 MB/sec execute 18 sec latency 28479.265 ms 1 312 0.00 MB/sec execute 19 sec latency 29479.497 ms 1 312 0.00 MB/sec execute 20 sec latency 30479.795 ms 1 312 0.00 MB/sec execute 21 sec latency 31480.084 ms 1 312 0.00 MB/sec execute 22 sec latency 32482.333 ms 1 312 0.00 MB/sec execute 23 sec latency 33482.525 ms 1 312 0.00 MB/sec execute 24 sec latency 34482.796 ms 1 312 0.00 MB/sec execute 25 sec latency 35486.321 ms 1 312 0.00 MB/sec execute 26 sec latency 36487.360 ms 1 312 0.00 MB/sec execute 27 sec latency 37487.543 ms 1 312 0.00 MB/sec execute 28 sec latency 38488.144 ms 1 322 0.01 MB/sec execute 29 sec latency 38777.614 ms 1 349 0.03 MB/sec execute 30 sec latency 133.816 ms 1 369 0.05 MB/sec execute 31 sec latency 233.658 ms 1 392 0.07 MB/sec execute 32 sec latency 162.240 ms 1 422 0.10 MB/sec execute 33 sec latency 130.803 ms 1 446 0.12 MB/sec execute 34 sec latency 191.430 ms 1 477 0.15 MB/sec execute 35 sec latency 162.188 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 503 0.17 MB/sec execute 36 sec latency 177.695 ms 1 525 0.18 MB/sec execute 37 sec latency 214.675 ms 1 608 0.25 MB/sec execute 38 sec latency 239.068 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 658 0.25 MB/sec execute 39 sec latency 126.242 ms 1 671 0.24 MB/sec execute 40 sec latency 273.275 ms 1 691 0.24 MB/sec execute 41 sec latency 229.296 ms 1 718 0.23 MB/sec execute 42 sec latency 144.826 ms 1 731 0.23 MB/sec execute 43 sec latency 412.721 ms 1 764 0.22 MB/sec execute 44 sec latency 128.777 ms 1 794 0.22 MB/sec execute 45 sec latency 214.887 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 3695616 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 9216 3720192 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 46080 7415808 1% /mnt/lustre 1 815 0.22 MB/sec execute 46 sec latency 132.144 ms 1 863 0.21 MB/sec execute 47 sec latency 85.145 ms 1 884 0.21 MB/sec execute 48 sec latency 264.971 ms 1 913 0.21 MB/sec execute 49 sec latency 118.898 ms 1 952 0.21 MB/sec execute 50 sec latency 110.112 ms 1 980 0.20 MB/sec execute 51 sec latency 193.882 ms test_26 fail mds1 2 times 1 1028 0.22 MB/sec execute 52 sec latency 232.456 ms 1 1064 0.21 MB/sec execute 53 sec latency 141.326 ms Failing mds1 on oleg620-server 1 1102 0.21 MB/sec execute 54 sec latency 117.911 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 1138 0.21 MB/sec execute 55 sec latency 102.786 ms 1 1167 0.21 MB/sec execute 56 sec latency 296.098 ms 1 1167 0.20 MB/sec execute 57 sec latency 1296.373 ms 1 1167 0.20 MB/sec execute 58 sec latency 2296.703 ms 21:25:03 (1786065903) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 1167 0.20 MB/sec execute 59 sec latency 3296.909 ms 1 1167 0.19 MB/sec execute 60 sec latency 4297.172 ms 1 1167 0.19 MB/sec execute 61 sec latency 5297.665 ms 1 1167 0.19 MB/sec execute 62 sec latency 6297.933 ms 1 1167 0.18 MB/sec execute 63 sec latency 7298.113 ms 1 1167 0.18 MB/sec execute 64 sec latency 8300.016 ms 1 1167 0.18 MB/sec execute 65 sec latency 9304.317 ms 1 1167 0.17 MB/sec execute 66 sec latency 10305.310 ms 1 1167 0.17 MB/sec execute 67 sec latency 11305.877 ms 1 1167 0.17 MB/sec execute 68 sec latency 12309.709 ms Failover mds1 to oleg620-server mount facets: mds1 1 1167 0.17 MB/sec execute 69 sec latency 13326.277 ms 1 1167 0.16 MB/sec execute 70 sec latency 14326.472 ms 1 1167 0.16 MB/sec execute 71 sec latency 15326.804 ms 1 1167 0.16 MB/sec execute 72 sec latency 16341.278 ms 1 1167 0.16 MB/sec execute 73 sec latency 17344.089 ms 1 1167 0.16 MB/sec execute 74 sec latency 18346.466 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1167 0.15 MB/sec execute 75 sec latency 19349.667 ms 1 1167 0.15 MB/sec execute 76 sec latency 20355.076 ms 1 1167 0.15 MB/sec execute 77 sec latency 21357.974 ms 1 1167 0.15 MB/sec execute 78 sec latency 22361.037 ms 1 1167 0.15 MB/sec execute 79 sec latency 23361.304 ms 1 1167 0.14 MB/sec execute 80 sec latency 24361.669 ms 1 1167 0.14 MB/sec execute 81 sec latency 25361.953 ms 1 1167 0.14 MB/sec execute 82 sec latency 26362.452 ms 1 1167 0.14 MB/sec execute 83 sec latency 27362.841 ms 1 1167 0.14 MB/sec execute 84 sec latency 28363.396 ms 1 1167 0.14 MB/sec execute 85 sec latency 29363.611 ms 1 1167 0.13 MB/sec execute 86 sec latency 30363.939 ms 1 1167 0.13 MB/sec execute 87 sec latency 31365.103 ms 1 1167 0.13 MB/sec execute 88 sec latency 32372.344 ms 1 1167 0.13 MB/sec execute 89 sec latency 33372.704 ms 1 1167 0.13 MB/sec execute 90 sec latency 34374.310 ms 1 1167 0.13 MB/sec execute 91 sec latency 35376.868 ms 1 1167 0.13 MB/sec execute 92 sec latency 36377.116 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 1167 0.12 MB/sec execute 93 sec latency 37379.174 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 1 1167 0.12 MB/sec execute 94 sec latency 38379.441 ms Started lustre-MDT0000 21:25:39 (1786065939) targets are mounted 21:25:39 (1786065939) facet_failover done 1 1167 0.12 MB/sec execute 95 sec latency 39379.935 ms 1 1167 0.12 MB/sec execute 96 sec latency 40380.256 ms 1 1167 0.12 MB/sec execute 97 sec latency 41380.451 ms 1 1167 0.12 MB/sec execute 98 sec latency 42381.372 ms 1 1167 0.12 MB/sec execute 99 sec latency 43391.572 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 122 94.844 376.537 Close 113 762.603 45629.765 Rename 7 111.453 144.803 Unlink 12 38.211 59.739 Qpathinfo 63 26.334 141.276 Qfileinfo 53 3.973 15.127 Qfsinfo 27 6.165 32.254 Sfileinfo 25 70.772 194.779 Find 33 9.602 86.086 WriteX 258 16.872 106.017 ReadX 119 4.850 102.766 Flush 24 160.072 412.705 Throughput 0.116218 MB/sec 1 clients 1 procs max_latency=43391.572 ms stopping dbench on /mnt/lustre at Thu Aug 6 21:25:49 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg620-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 6 21:25:56 EDT 2026 waiting for dbench pid 47295 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 12 0.00 MB/sec warmup 1 sec latency 30.348 ms 1 59 1.21 MB/sec warmup 2 sec latency 149.031 ms 1 111 1.74 MB/sec warmup 3 sec latency 165.157 ms 1 137 1.50 MB/sec warmup 4 sec latency 166.586 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 27648 3691520 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7443456 1% /mnt/lustre 1 157 1.31 MB/sec warmup 5 sec latency 266.756 ms 1 184 1.23 MB/sec warmup 6 sec latency 211.635 ms 1 215 1.19 MB/sec warmup 7 sec latency 233.752 ms 1 250 1.17 MB/sec warmup 8 sec latency 132.564 ms 1 282 1.16 MB/sec warmup 9 sec latency 163.641 ms 1 315 1.14 MB/sec warmup 10 sec latency 122.072 ms test_26 fail mds1 3 times 1 342 1.11 MB/sec warmup 11 sec latency 153.386 ms 1 389 1.15 MB/sec warmup 12 sec latency 119.480 ms Failing mds1 on oleg620-server 1 421 1.14 MB/sec warmup 13 sec latency 190.175 ms Stopping /mnt/lustre-mds1 (opts:) on oleg620-server 1 461 1.15 MB/sec warmup 14 sec latency 135.955 ms 1 492 1.14 MB/sec warmup 15 sec latency 238.339 ms 1 492 1.07 MB/sec warmup 16 sec latency 1238.816 ms 1 492 1.01 MB/sec warmup 17 sec latency 2239.002 ms 21:26:13 (1786065973) shut down facet: mds1 facet_host: oleg620-server facet_failover_host: oleg620-server 1 492 0.95 MB/sec warmup 18 sec latency 3239.196 ms 1 492 0.90 MB/sec warmup 19 sec latency 4240.940 ms 1 492 0.00 MB/sec execute 1 sec latency 6241.249 ms 1 492 0.00 MB/sec execute 2 sec latency 7241.425 ms 1 492 0.00 MB/sec execute 3 sec latency 8241.782 ms 1 492 0.00 MB/sec execute 4 sec latency 9242.005 ms 1 492 0.00 MB/sec execute 5 sec latency 10242.260 ms 1 492 0.00 MB/sec execute 6 sec latency 11242.537 ms 1 492 0.00 MB/sec execute 7 sec latency 12243.070 ms Failover mds1 to oleg620-server 1 492 0.00 MB/sec execute 8 sec latency 13244.991 ms mount facets: mds1 1 492 0.00 MB/sec execute 9 sec latency 14245.267 ms 1 492 0.00 MB/sec execute 10 sec latency 15245.672 ms 1 492 0.00 MB/sec execute 11 sec latency 16245.877 ms 1 492 0.00 MB/sec execute 12 sec latency 17248.077 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 492 0.00 MB/sec execute 13 sec latency 18248.308 ms 1 492 0.00 MB/sec execute 14 sec latency 19248.632 ms 1 492 0.00 MB/sec execute 15 sec latency 20248.931 ms 1 492 0.00 MB/sec execute 16 sec latency 21249.121 ms 1 492 0.00 MB/sec execute 17 sec latency 22249.413 ms 1 492 0.00 MB/sec execute 18 sec latency 23249.745 ms 1 492 0.00 MB/sec execute 19 sec latency 24249.969 ms 1 492 0.00 MB/sec execute 20 sec latency 25250.268 ms 1 492 0.00 MB/sec execute 21 sec latency 26252.296 ms 1 492 0.00 MB/sec execute 22 sec latency 27254.798 ms 1 492 0.00 MB/sec execute 23 sec latency 28257.075 ms 1 492 0.00 MB/sec execute 24 sec latency 29258.284 ms 1 492 0.00 MB/sec execute 25 sec latency 30258.489 ms 1 492 0.00 MB/sec execute 26 sec latency 31258.915 ms 1 492 0.00 MB/sec execute 27 sec latency 32259.396 ms 1 492 0.00 MB/sec execute 28 sec latency 33259.563 ms oleg620-server: oleg620-server.virtnet: executing set_default_debug -1 all 1 492 0.00 MB/sec execute 29 sec latency 34259.913 ms pdsh@oleg620-client: oleg620-server: ssh exited with exit code 1 1 492 0.00 MB/sec execute 30 sec latency 35260.066 ms 1 492 0.00 MB/sec execute 31 sec latency 36260.486 ms Started lustre-MDT0000 21:26:47 (1786066007) targets are mounted 21:26:47 (1786066007) facet_failover done 1 492 0.00 MB/sec execute 32 sec latency 37261.950 ms 1 492 0.00 MB/sec execute 33 sec latency 38265.386 ms 1 492 0.00 MB/sec execute 34 sec latency 39265.641 ms 1 492 0.00 MB/sec execute 35 sec latency 40267.226 ms 1 503 0.01 MB/sec execute 36 sec latency 40524.243 ms 1 542 0.05 MB/sec execute 37 sec latency 136.304 ms 1 640 0.10 MB/sec execute 38 sec latency 107.991 ms 1 671 0.10 MB/sec execute 39 sec latency 243.503 ms 1 699 0.10 MB/sec execute 40 sec latency 117.288 ms oleg620-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 726 0.10 MB/sec execute 41 sec latency 235.101 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 747 0.10 MB/sec execute 42 sec latency 127.272 ms 1 778 0.10 MB/sec execute 43 sec latency 128.719 ms 1 799 0.10 MB/sec execute 44 sec latency 278.358 ms 1 849 0.10 MB/sec execute 45 sec latency 97.392 ms 1 876 0.10 MB/sec execute 46 sec latency 339.038 ms 1 913 0.10 MB/sec execute 47 sec latency 100.218 ms 1 949 0.10 MB/sec execute 48 sec latency 202.748 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 980 0.10 MB/sec execute 49 sec latency 151.353 ms 1 1050 0.11 MB/sec execute 50 sec latency 290.512 ms 1 1116 0.11 MB/sec execute 51 sec latency 100.408 ms 1 1154 0.11 MB/sec execute 52 sec latency 94.335 ms 1 1198 0.11 MB/sec execute 53 sec latency 79.466 ms 1 1246 0.11 MB/sec execute 54 sec latency 90.306 ms 1 1271 0.11 MB/sec execute 55 sec latency 197.640 ms 1 1395 0.16 MB/sec execute 56 sec latency 97.566 ms 1 1418 0.15 MB/sec execute 57 sec latency 189.483 ms 1 1462 0.15 MB/sec execute 58 sec latency 135.328 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 6 21:27:15 EDT 2026 with return code 0 1 1497 0.15 MB/sec execute 59 sec latency 293.154 ms 47295 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47295 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished