== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:54:52 (1782222892) Starting client oleg436-client.virtnet: -o user_xattr,flock 192.168.204.136@tcp:/lustre /mnt/lustre Started clients oleg436-client.virtnet: 192.168.204.136@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 44902 Started dbench loop with 44904 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 3741696 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3763200 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 12288 7504896 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 Tue Jun 23 09:54:58 EDT 2026 waiting for dbench pid 44971 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 38 1.31 MB/sec warmup 1 sec latency 118.812 ms 1 86 1.96 MB/sec warmup 2 sec latency 150.681 ms 1 122 1.83 MB/sec warmup 3 sec latency 145.244 ms 1 158 1.63 MB/sec warmup 4 sec latency 152.671 ms test_26 fail mds1 1 times 1 190 1.51 MB/sec warmup 5 sec latency 172.186 ms 1 215 1.39 MB/sec warmup 6 sec latency 184.521 ms Failing mds1 on oleg436-server 1 248 1.34 MB/sec warmup 7 sec latency 175.841 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 280 1.30 MB/sec warmup 8 sec latency 143.758 ms 1 304 1.25 MB/sec warmup 9 sec latency 245.429 ms 1 304 1.12 MB/sec warmup 10 sec latency 1245.734 ms 1 304 1.02 MB/sec warmup 11 sec latency 2246.247 ms 09:55:10 (1782222910) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 304 0.93 MB/sec warmup 12 sec latency 3246.554 ms 1 304 0.86 MB/sec warmup 13 sec latency 4249.378 ms 1 304 0.80 MB/sec warmup 14 sec latency 5249.770 ms 1 304 0.75 MB/sec warmup 15 sec latency 6250.107 ms 1 304 0.70 MB/sec warmup 16 sec latency 7250.417 ms 1 304 0.66 MB/sec warmup 17 sec latency 8251.534 ms 1 304 0.62 MB/sec warmup 18 sec latency 9251.798 ms 1 304 0.59 MB/sec warmup 19 sec latency 10254.122 ms 1 304 0.00 MB/sec execute 1 sec latency 12257.936 ms 1 304 0.00 MB/sec execute 2 sec latency 13258.371 ms Failover mds1 to oleg436-server mount facets: mds1 1 304 0.00 MB/sec execute 3 sec latency 14261.471 ms 1 304 0.00 MB/sec execute 4 sec latency 15261.727 ms 1 304 0.00 MB/sec execute 5 sec latency 16262.366 ms 1 304 0.00 MB/sec execute 6 sec latency 17263.402 ms 1 304 0.00 MB/sec execute 7 sec latency 18266.860 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 304 0.00 MB/sec execute 8 sec latency 19268.625 ms 1 304 0.00 MB/sec execute 9 sec latency 20268.982 ms 1 304 0.00 MB/sec execute 10 sec latency 21269.277 ms 1 304 0.00 MB/sec execute 11 sec latency 22269.845 ms 1 304 0.00 MB/sec execute 12 sec latency 23270.046 ms 1 304 0.00 MB/sec execute 13 sec latency 24271.421 ms 1 304 0.00 MB/sec execute 14 sec latency 25272.067 ms 1 304 0.00 MB/sec execute 15 sec latency 26272.469 ms 1 304 0.00 MB/sec execute 16 sec latency 27272.838 ms 1 304 0.00 MB/sec execute 17 sec latency 28280.085 ms 1 304 0.00 MB/sec execute 18 sec latency 29280.702 ms 1 304 0.00 MB/sec execute 19 sec latency 30280.954 ms 1 304 0.00 MB/sec execute 20 sec latency 31281.443 ms 1 304 0.00 MB/sec execute 21 sec latency 32282.076 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all 1 304 0.00 MB/sec execute 22 sec latency 33284.987 ms 1 304 0.00 MB/sec execute 23 sec latency 34285.250 ms pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 1 304 0.00 MB/sec execute 24 sec latency 35285.564 ms Started lustre-MDT0000 09:55:43 (1782222943) targets are mounted 09:55:43 (1782222943) facet_failover done 1 304 0.00 MB/sec execute 25 sec latency 36285.853 ms 1 304 0.00 MB/sec execute 26 sec latency 37287.447 ms 1 304 0.00 MB/sec execute 27 sec latency 38287.833 ms 1 304 0.00 MB/sec execute 28 sec latency 39288.105 ms 1 304 0.00 MB/sec execute 29 sec latency 40289.787 ms 1 315 0.01 MB/sec execute 30 sec latency 40488.017 ms 1 341 0.03 MB/sec execute 31 sec latency 147.431 ms 1 368 0.06 MB/sec execute 32 sec latency 209.259 ms 1 404 0.09 MB/sec execute 33 sec latency 139.459 ms 1 428 0.11 MB/sec execute 34 sec latency 188.212 ms 1 446 0.13 MB/sec execute 35 sec latency 205.516 ms 1 469 0.14 MB/sec execute 36 sec latency 165.123 ms oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 493 0.16 MB/sec execute 37 sec latency 187.999 ms 1 511 0.17 MB/sec execute 38 sec latency 224.594 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 527 0.18 MB/sec execute 39 sec latency 275.965 ms 1 601 0.24 MB/sec execute 40 sec latency 187.891 ms 1 639 0.24 MB/sec execute 41 sec latency 129.079 ms 1 664 0.24 MB/sec execute 42 sec latency 274.520 ms 1 677 0.23 MB/sec execute 43 sec latency 326.980 ms 1 705 0.23 MB/sec execute 44 sec latency 156.139 ms 1 726 0.22 MB/sec execute 45 sec latency 336.995 ms 1 736 0.22 MB/sec execute 46 sec latency 196.096 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 3710976 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3692544 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7403520 1% /mnt/lustre 1 767 0.22 MB/sec execute 47 sec latency 157.866 ms 1 789 0.21 MB/sec execute 48 sec latency 132.869 ms 1 803 0.21 MB/sec execute 49 sec latency 303.999 ms 1 845 0.21 MB/sec execute 50 sec latency 123.277 ms 1 873 0.20 MB/sec execute 51 sec latency 139.087 ms 1 898 0.20 MB/sec execute 52 sec latency 289.248 ms 1 919 0.20 MB/sec execute 53 sec latency 153.828 ms test_26 fail mds1 2 times 1 954 0.20 MB/sec execute 54 sec latency 123.891 ms 1 980 0.19 MB/sec execute 55 sec latency 126.586 ms Failing mds1 on oleg436-server 1 1007 0.20 MB/sec execute 56 sec latency 241.648 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 1064 0.20 MB/sec execute 57 sec latency 117.227 ms 1 1072 0.20 MB/sec execute 58 sec latency 900.074 ms 1 1072 0.20 MB/sec execute 59 sec latency 1900.291 ms 1 1072 0.19 MB/sec execute 60 sec latency 2905.070 ms 09:56:19 (1782222979) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 1072 0.19 MB/sec execute 61 sec latency 3906.331 ms 1 1072 0.19 MB/sec execute 62 sec latency 4906.508 ms 1 1072 0.19 MB/sec execute 63 sec latency 5907.340 ms 1 1072 0.18 MB/sec execute 64 sec latency 6908.836 ms 1 1072 0.18 MB/sec execute 65 sec latency 7909.080 ms 1 1072 0.18 MB/sec execute 66 sec latency 8910.792 ms 1 1072 0.17 MB/sec execute 67 sec latency 9910.961 ms 1 1072 0.17 MB/sec execute 68 sec latency 10911.568 ms 1 1072 0.17 MB/sec execute 69 sec latency 11911.780 ms 1 1072 0.17 MB/sec execute 70 sec latency 12911.974 ms Failover mds1 to oleg436-server mount facets: mds1 1 1072 0.16 MB/sec execute 71 sec latency 13912.153 ms 1 1072 0.16 MB/sec execute 72 sec latency 14915.745 ms 1 1072 0.16 MB/sec execute 73 sec latency 15916.932 ms 1 1072 0.16 MB/sec execute 74 sec latency 16917.617 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1072 0.16 MB/sec execute 75 sec latency 17921.801 ms 1 1072 0.15 MB/sec execute 76 sec latency 18922.106 ms 1 1072 0.15 MB/sec execute 77 sec latency 19922.551 ms 1 1072 0.15 MB/sec execute 78 sec latency 20923.335 ms 1 1072 0.15 MB/sec execute 79 sec latency 21924.426 ms 1 1072 0.15 MB/sec execute 80 sec latency 22924.941 ms 1 1072 0.14 MB/sec execute 81 sec latency 23925.193 ms 1 1072 0.14 MB/sec execute 82 sec latency 24925.424 ms 1 1072 0.14 MB/sec execute 83 sec latency 25926.532 ms 1 1072 0.14 MB/sec execute 84 sec latency 26927.440 ms 1 1072 0.14 MB/sec execute 85 sec latency 27927.658 ms 1 1072 0.14 MB/sec execute 86 sec latency 28930.121 ms 1 1072 0.13 MB/sec execute 87 sec latency 29930.651 ms 1 1072 0.13 MB/sec execute 88 sec latency 30931.573 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all 1 1072 0.13 MB/sec execute 89 sec latency 31932.294 ms pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 1 1072 0.13 MB/sec execute 90 sec latency 32937.640 ms Started lustre-MDT0000 09:56:49 (1782223009) targets are mounted 09:56:49 (1782223009) facet_failover done 1 1072 0.13 MB/sec execute 91 sec latency 33945.021 ms 1 1072 0.13 MB/sec execute 92 sec latency 34945.180 ms 1 1072 0.13 MB/sec execute 93 sec latency 35949.468 ms 1 1072 0.12 MB/sec execute 94 sec latency 36950.251 ms 1 1072 0.12 MB/sec execute 95 sec latency 37950.555 ms 1 1072 0.12 MB/sec execute 96 sec latency 38950.796 ms 1 1072 0.12 MB/sec execute 97 sec latency 39951.520 ms 1 1072 0.12 MB/sec execute 98 sec latency 40952.132 ms 1 1072 0.12 MB/sec execute 99 sec latency 41954.743 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 109 110.362 388.213 Close 101 841.842 42659.522 Rename 4 129.039 148.449 Unlink 11 44.422 86.197 Qpathinfo 41 34.339 187.081 Qfileinfo 52 3.399 24.663 Qfsinfo 23 6.656 41.825 Sfileinfo 20 77.937 175.639 Find 29 11.096 103.674 WriteX 257 19.109 131.907 ReadX 103 5.874 118.047 Flush 24 176.262 336.978 Throughput 0.117995 MB/sec 1 clients 1 procs max_latency=41954.743 ms stopping dbench on /mnt/lustre at Tue Jun 23 09:57:02 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 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 Tue Jun 23 09:57:09 EDT 2026 waiting for dbench pid 46900 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 1.05 MB/sec warmup 1 sec latency 81.033 ms 1 92 2.10 MB/sec warmup 2 sec latency 134.970 ms 1 137 2.01 MB/sec warmup 3 sec latency 140.601 ms UUID 1K-blocks Used Available Use% Mounted on 1 173 1.76 MB/sec warmup 4 sec latency 150.121 ms lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3753984 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 37888 3678208 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 39936 7432192 1% /mnt/lustre 1 199 1.57 MB/sec warmup 5 sec latency 215.106 ms 1 237 1.51 MB/sec warmup 6 sec latency 144.544 ms 1 279 1.49 MB/sec warmup 7 sec latency 117.879 ms 1 312 1.43 MB/sec warmup 8 sec latency 197.288 ms 1 344 1.36 MB/sec warmup 9 sec latency 127.594 ms 1 388 1.38 MB/sec warmup 10 sec latency 141.741 ms test_26 fail mds1 3 times 1 422 1.35 MB/sec warmup 11 sec latency 137.531 ms 1 461 1.35 MB/sec warmup 12 sec latency 132.093 ms Failing mds1 on oleg436-server 1 499 1.34 MB/sec warmup 13 sec latency 156.007 ms Stopping /mnt/lustre-mds1 (opts:) on oleg436-server 1 535 1.33 MB/sec warmup 14 sec latency 136.369 ms 1 600 1.40 MB/sec warmup 15 sec latency 444.921 ms 1 600 1.31 MB/sec warmup 16 sec latency 1445.090 ms 09:57:26 (1782223046) shut down facet: mds1 facet_host: oleg436-server facet_failover_host: oleg436-server 1 600 1.23 MB/sec warmup 17 sec latency 2445.294 ms 1 600 1.16 MB/sec warmup 18 sec latency 3445.955 ms 1 600 1.10 MB/sec warmup 19 sec latency 4446.940 ms 1 600 0.00 MB/sec execute 1 sec latency 6448.521 ms 1 600 0.00 MB/sec execute 2 sec latency 7452.016 ms 1 600 0.00 MB/sec execute 3 sec latency 8452.398 ms 1 600 0.00 MB/sec execute 4 sec latency 9453.467 ms 1 600 0.00 MB/sec execute 5 sec latency 10467.299 ms 1 600 0.00 MB/sec execute 6 sec latency 11467.658 ms 1 600 0.00 MB/sec execute 7 sec latency 12467.846 ms Failover mds1 to oleg436-server mount facets: mds1 1 600 0.00 MB/sec execute 8 sec latency 13468.097 ms 1 600 0.00 MB/sec execute 9 sec latency 14469.002 ms 1 600 0.00 MB/sec execute 10 sec latency 15469.507 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 600 0.00 MB/sec execute 11 sec latency 16470.265 ms 1 600 0.00 MB/sec execute 12 sec latency 17470.920 ms 1 600 0.00 MB/sec execute 13 sec latency 18471.365 ms 1 600 0.00 MB/sec execute 14 sec latency 19472.715 ms 1 600 0.00 MB/sec execute 15 sec latency 20473.557 ms 1 600 0.00 MB/sec execute 16 sec latency 21474.152 ms oleg436-server: oleg436-server.virtnet: executing set_default_debug -1 all 1 600 0.00 MB/sec execute 17 sec latency 22474.575 ms pdsh@oleg436-client: oleg436-server: ssh exited with exit code 1 1 600 0.00 MB/sec execute 18 sec latency 23476.241 ms Started lustre-MDT0000 09:57:48 (1782223068) targets are mounted 09:57:48 (1782223068) facet_failover done 1 600 0.00 MB/sec execute 19 sec latency 24476.483 ms 1 600 0.00 MB/sec execute 20 sec latency 25480.747 ms 1 600 0.00 MB/sec execute 21 sec latency 26480.964 ms 1 600 0.00 MB/sec execute 22 sec latency 27481.908 ms 1 600 0.00 MB/sec execute 23 sec latency 28482.226 ms 1 600 0.00 MB/sec execute 24 sec latency 29482.485 ms 1 600 0.00 MB/sec execute 25 sec latency 30482.876 ms 1 600 0.00 MB/sec execute 26 sec latency 31484.130 ms 1 600 0.00 MB/sec execute 27 sec latency 32484.395 ms 1 600 0.00 MB/sec execute 28 sec latency 33484.676 ms 1 600 0.00 MB/sec execute 29 sec latency 34484.851 ms 1 600 0.00 MB/sec execute 30 sec latency 35485.036 ms 1 600 0.00 MB/sec execute 31 sec latency 36486.046 ms 1 600 0.00 MB/sec execute 32 sec latency 37488.966 ms 1 600 0.00 MB/sec execute 33 sec latency 38490.916 ms 1 600 0.00 MB/sec execute 34 sec latency 39492.195 ms 1 600 0.00 MB/sec execute 35 sec latency 40492.522 ms 1 612 0.00 MB/sec execute 36 sec latency 41100.803 ms 1 661 0.00 MB/sec execute 37 sec latency 100.957 ms 1 676 0.01 MB/sec execute 38 sec latency 397.880 ms 1 705 0.01 MB/sec execute 39 sec latency 154.855 ms 1 723 0.01 MB/sec execute 40 sec latency 280.676 ms 1 743 0.01 MB/sec execute 41 sec latency 135.765 ms oleg436-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 779 0.01 MB/sec execute 42 sec latency 126.930 ms 1 801 0.01 MB/sec execute 43 sec latency 264.842 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 845 0.01 MB/sec execute 44 sec latency 161.104 ms 1 873 0.02 MB/sec execute 45 sec latency 295.964 ms 1 902 0.02 MB/sec execute 46 sec latency 369.711 ms 1 923 0.02 MB/sec execute 47 sec latency 211.503 ms 1 970 0.02 MB/sec execute 48 sec latency 114.115 ms 1 995 0.02 MB/sec execute 49 sec latency 283.019 ms 1 1041 0.04 MB/sec execute 50 sec latency 196.593 ms 1 1099 0.04 MB/sec execute 51 sec latency 92.411 ms 1 1147 0.04 MB/sec execute 52 sec latency 99.421 ms 1 1192 0.04 MB/sec execute 53 sec latency 109.512 ms 1 1229 0.04 MB/sec execute 54 sec latency 103.612 ms 1 1268 0.04 MB/sec execute 55 sec latency 106.589 ms 1 1391 0.09 MB/sec execute 56 sec latency 114.469 ms 1 1426 0.09 MB/sec execute 57 sec latency 152.451 ms 1 1481 0.09 MB/sec execute 58 sec latency 116.507 ms dbench killed by signal 15 1 1509 0.09 MB/sec execute 59 sec latency 330.911 ms stopping dbench on /mnt/lustre at Tue Jun 23 09:58:28 EDT 2026 with return code 0 46900 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 46900 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished