== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:42:52 (1787139772) Starting client oleg201-client.virtnet: -o user_xattr,flock 192.168.202.101@tcp:/lustre /mnt/lustre Started clients oleg201-client.virtnet: 192.168.202.101@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 45244 Started dbench loop with 45245 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 2048 3748864 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 4096 7511040 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 Wed Aug 19 07:43:03 EDT 2026 waiting for dbench pid 45321 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 55.383 ms 1 25 0.36 MB/sec warmup 2 sec latency 218.743 ms 1 53 0.69 MB/sec warmup 3 sec latency 209.873 ms 1 101 1.15 MB/sec warmup 4 sec latency 117.864 ms test_26 fail mds1 1 times 1 137 1.20 MB/sec warmup 5 sec latency 192.649 ms 1 155 1.08 MB/sec warmup 6 sec latency 210.838 ms 1 172 1.00 MB/sec warmup 7 sec latency 282.467 ms Failing mds1 on oleg201-server 1 184 0.92 MB/sec warmup 8 sec latency 241.765 ms 1 204 0.88 MB/sec warmup 9 sec latency 339.350 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 236 0.90 MB/sec warmup 10 sec latency 145.635 ms 1 255 0.88 MB/sec warmup 11 sec latency 360.393 ms 1 255 0.80 MB/sec warmup 12 sec latency 1360.634 ms 1 255 0.74 MB/sec warmup 13 sec latency 2361.018 ms 07:43:17 (1787139797) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 255 0.69 MB/sec warmup 14 sec latency 3361.517 ms 1 255 0.64 MB/sec warmup 15 sec latency 4362.203 ms 1 255 0.60 MB/sec warmup 16 sec latency 5362.926 ms 1 255 0.57 MB/sec warmup 17 sec latency 6363.203 ms 1 255 0.54 MB/sec warmup 18 sec latency 7363.391 ms 1 255 0.51 MB/sec warmup 19 sec latency 8363.640 ms 1 255 0.00 MB/sec execute 1 sec latency 10364.016 ms 1 255 0.00 MB/sec execute 2 sec latency 11365.541 ms 1 255 0.00 MB/sec execute 3 sec latency 12367.602 ms Failover mds1 to oleg201-server 1 255 0.00 MB/sec execute 4 sec latency 13367.776 ms mount facets: mds1 1 255 0.00 MB/sec execute 5 sec latency 14367.978 ms 1 255 0.00 MB/sec execute 6 sec latency 15368.212 ms 1 255 0.00 MB/sec execute 7 sec latency 16368.636 ms 1 255 0.00 MB/sec execute 8 sec latency 17370.513 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 255 0.00 MB/sec execute 9 sec latency 18370.664 ms 1 255 0.00 MB/sec execute 10 sec latency 19370.905 ms 1 255 0.00 MB/sec execute 11 sec latency 20371.831 ms 1 255 0.00 MB/sec execute 12 sec latency 21372.262 ms 1 255 0.00 MB/sec execute 13 sec latency 22372.587 ms 1 255 0.00 MB/sec execute 14 sec latency 23373.370 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 255 0.00 MB/sec execute 15 sec latency 24373.585 ms 1 255 0.00 MB/sec execute 16 sec latency 25373.825 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 Started lustre-MDT0000 07:43:40 (1787139820) targets are mounted 07:43:40 (1787139820) facet_failover done 1 255 0.00 MB/sec execute 17 sec latency 26374.328 ms 1 255 0.00 MB/sec execute 18 sec latency 27378.905 ms 1 255 0.00 MB/sec execute 19 sec latency 28379.287 ms 1 255 0.00 MB/sec execute 20 sec latency 29379.580 ms 1 255 0.00 MB/sec execute 21 sec latency 30379.860 ms 1 255 0.00 MB/sec execute 22 sec latency 31380.397 ms 1 255 0.00 MB/sec execute 23 sec latency 32382.242 ms 1 255 0.00 MB/sec execute 24 sec latency 33382.528 ms 1 255 0.00 MB/sec execute 25 sec latency 34382.772 ms 1 255 0.00 MB/sec execute 26 sec latency 35383.352 ms 1 255 0.00 MB/sec execute 27 sec latency 36384.735 ms 1 255 0.00 MB/sec execute 28 sec latency 37384.973 ms 1 255 0.00 MB/sec execute 29 sec latency 38385.529 ms 1 256 0.00 MB/sec execute 30 sec latency 39385.043 ms 1 288 0.03 MB/sec execute 31 sec latency 179.047 ms 1 314 0.06 MB/sec execute 32 sec latency 164.788 ms 1 341 0.08 MB/sec execute 33 sec latency 211.444 ms 1 373 0.11 MB/sec execute 34 sec latency 206.523 ms 1 414 0.14 MB/sec execute 35 sec latency 147.019 ms oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 456 0.17 MB/sec execute 36 sec latency 136.415 ms 1 486 0.20 MB/sec execute 37 sec latency 159.422 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 521 0.22 MB/sec execute 38 sec latency 152.758 ms 1 616 0.29 MB/sec execute 39 sec latency 107.397 ms 1 666 0.29 MB/sec execute 40 sec latency 271.443 ms 1 710 0.28 MB/sec execute 41 sec latency 93.522 ms 1 735 0.28 MB/sec execute 42 sec latency 264.580 ms 1 769 0.27 MB/sec execute 43 sec latency 126.526 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3678208 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3705856 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7384064 1% /mnt/lustre 1 796 0.27 MB/sec execute 44 sec latency 221.403 ms 1 827 0.26 MB/sec execute 45 sec latency 111.778 ms 1 874 0.26 MB/sec execute 46 sec latency 261.168 ms 1 902 0.26 MB/sec execute 47 sec latency 166.482 ms 1 934 0.25 MB/sec execute 48 sec latency 202.652 ms test_26 fail mds1 2 times 1 969 0.25 MB/sec execute 49 sec latency 129.043 ms 1 1020 0.26 MB/sec execute 50 sec latency 179.162 ms Failing mds1 on oleg201-server 1 1077 0.26 MB/sec execute 51 sec latency 100.703 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 1129 0.26 MB/sec execute 52 sec latency 80.251 ms 1 1145 0.25 MB/sec execute 53 sec latency 511.605 ms 1 1145 0.25 MB/sec execute 54 sec latency 1512.408 ms 1 1145 0.24 MB/sec execute 55 sec latency 2512.626 ms 1 1145 0.24 MB/sec execute 56 sec latency 3512.946 ms 1 1145 0.23 MB/sec execute 57 sec latency 4513.212 ms 1 1145 0.23 MB/sec execute 58 sec latency 5515.229 ms 1 1145 0.23 MB/sec execute 59 sec latency 6515.515 ms 1 1145 0.22 MB/sec execute 60 sec latency 7519.243 ms 1 1145 0.22 MB/sec execute 61 sec latency 8519.444 ms 07:44:25 (1787139865) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 1145 0.21 MB/sec execute 62 sec latency 9519.715 ms 1 1145 0.21 MB/sec execute 63 sec latency 10520.933 ms 1 1145 0.21 MB/sec execute 64 sec latency 11521.638 ms 1 1145 0.20 MB/sec execute 65 sec latency 12521.872 ms 1 1145 0.20 MB/sec execute 66 sec latency 13522.023 ms 1 1145 0.20 MB/sec execute 67 sec latency 14528.340 ms 1 1145 0.20 MB/sec execute 68 sec latency 15528.494 ms 1 1145 0.19 MB/sec execute 69 sec latency 16528.712 ms 1 1145 0.19 MB/sec execute 70 sec latency 17529.482 ms 1 1145 0.19 MB/sec execute 71 sec latency 18529.722 ms 1 1145 0.18 MB/sec execute 72 sec latency 19529.860 ms Failover mds1 to oleg201-server mount facets: mds1 1 1145 0.18 MB/sec execute 73 sec latency 20531.178 ms 1 1145 0.18 MB/sec execute 74 sec latency 21531.389 ms 1 1145 0.18 MB/sec execute 75 sec latency 22534.820 ms 1 1145 0.18 MB/sec execute 76 sec latency 23535.782 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1145 0.17 MB/sec execute 77 sec latency 24537.961 ms 1 1145 0.17 MB/sec execute 78 sec latency 25538.872 ms 1 1145 0.17 MB/sec execute 79 sec latency 26539.169 ms 1 1145 0.17 MB/sec execute 80 sec latency 27539.450 ms 1 1145 0.16 MB/sec execute 81 sec latency 28539.743 ms 1 1145 0.16 MB/sec execute 82 sec latency 29539.961 ms 1 1145 0.16 MB/sec execute 83 sec latency 30540.290 ms 1 1145 0.16 MB/sec execute 84 sec latency 31540.477 ms 1 1145 0.16 MB/sec execute 85 sec latency 32540.737 ms 1 1145 0.15 MB/sec execute 86 sec latency 33540.933 ms 1 1145 0.15 MB/sec execute 87 sec latency 34541.169 ms 1 1145 0.15 MB/sec execute 88 sec latency 35541.486 ms 1 1145 0.15 MB/sec execute 89 sec latency 36541.713 ms 1 1145 0.15 MB/sec execute 90 sec latency 37555.274 ms 1 1145 0.15 MB/sec execute 91 sec latency 38558.301 ms 1 1145 0.14 MB/sec execute 92 sec latency 39561.193 ms 1 1145 0.14 MB/sec execute 93 sec latency 40561.709 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 1180 0.14 MB/sec execute 94 sec latency 40590.455 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 1 1221 0.14 MB/sec execute 95 sec latency 123.388 ms Started lustre-MDT0000 07:44:59 (1787139899) targets are mounted 07:44:59 (1787139899) facet_failover done 1 1263 0.14 MB/sec execute 96 sec latency 83.621 ms 1 1399 0.17 MB/sec execute 97 sec latency 76.738 ms 1 1445 0.17 MB/sec execute 98 sec latency 105.377 ms 1 1481 0.17 MB/sec execute 99 sec latency 221.477 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 187 498.472 40590.439 Close 162 12.652 41.526 Rename 10 100.471 236.266 Unlink 19 27.576 45.802 Qpathinfo 114 19.910 100.687 Qfileinfo 71 2.492 22.640 Qfsinfo 33 2.897 24.333 Sfileinfo 34 56.059 123.369 Find 52 5.853 46.500 WriteX 316 13.726 68.299 ReadX 232 2.742 78.393 Flush 25 120.358 271.426 Throughput 0.165233 MB/sec 1 clients 1 procs max_latency=40590.455 ms stopping dbench on /mnt/lustre at Wed Aug 19 07:45:08 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-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 Wed Aug 19 07:45:14 EDT 2026 waiting for dbench pid 47306 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 51 2.09 MB/sec warmup 1 sec latency 137.518 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] 1 113 2.61 MB/sec warmup 2 sec latency 175.445 ms lustre-OST0000_UUID 3771392 51200 3702784 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 28672 3715072 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 79872 7417856 2% /mnt/lustre 1 155 2.18 MB/sec warmup 3 sec latency 138.450 ms 1 184 1.84 MB/sec warmup 4 sec latency 149.348 ms 1 223 1.72 MB/sec warmup 5 sec latency 189.735 ms 1 271 1.69 MB/sec warmup 6 sec latency 97.568 ms 1 315 1.64 MB/sec warmup 7 sec latency 117.490 ms test_26 fail mds1 3 times 1 354 1.58 MB/sec warmup 8 sec latency 125.079 ms 1 393 1.54 MB/sec warmup 9 sec latency 120.384 ms Failing mds1 on oleg201-server 1 429 1.51 MB/sec warmup 10 sec latency 138.188 ms Stopping /mnt/lustre-mds1 (opts:) on oleg201-server 1 470 1.49 MB/sec warmup 11 sec latency 141.725 ms 1 476 1.39 MB/sec warmup 12 sec latency 946.914 ms 1 476 1.28 MB/sec warmup 13 sec latency 1950.526 ms 07:45:28 (1787139928) shut down facet: mds1 facet_host: oleg201-server facet_failover_host: oleg201-server 1 476 1.19 MB/sec warmup 14 sec latency 2950.789 ms 1 476 1.11 MB/sec warmup 15 sec latency 3953.949 ms 1 476 1.04 MB/sec warmup 16 sec latency 4955.062 ms 1 476 0.98 MB/sec warmup 17 sec latency 5955.564 ms 1 476 0.93 MB/sec warmup 18 sec latency 6955.805 ms 1 476 0.88 MB/sec warmup 19 sec latency 7956.043 ms 1 476 0.00 MB/sec execute 1 sec latency 9956.491 ms 1 476 0.00 MB/sec execute 2 sec latency 10957.744 ms 1 476 0.00 MB/sec execute 3 sec latency 11958.815 ms 1 476 0.00 MB/sec execute 4 sec latency 12962.530 ms Failover mds1 to oleg201-server mount facets: mds1 1 476 0.00 MB/sec execute 5 sec latency 13966.029 ms 1 476 0.00 MB/sec execute 6 sec latency 14967.181 ms 1 476 0.00 MB/sec execute 7 sec latency 15967.435 ms 1 476 0.00 MB/sec execute 8 sec latency 16968.121 ms 1 476 0.00 MB/sec execute 9 sec latency 17968.476 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 476 0.00 MB/sec execute 10 sec latency 18968.728 ms 1 476 0.00 MB/sec execute 11 sec latency 19969.147 ms 1 476 0.00 MB/sec execute 12 sec latency 20969.605 ms 1 476 0.00 MB/sec execute 13 sec latency 21969.895 ms 1 476 0.00 MB/sec execute 14 sec latency 22970.132 ms 1 476 0.00 MB/sec execute 15 sec latency 23970.359 ms oleg201-server: oleg201-server.virtnet: executing set_default_debug -1 all 1 476 0.00 MB/sec execute 16 sec latency 24971.698 ms pdsh@oleg201-client: oleg201-server: ssh exited with exit code 1 1 476 0.00 MB/sec execute 17 sec latency 25971.964 ms Started lustre-MDT0000 07:45:52 (1787139952) targets are mounted 07:45:52 (1787139952) facet_failover done 1 476 0.00 MB/sec execute 18 sec latency 26972.598 ms 1 476 0.00 MB/sec execute 19 sec latency 27972.892 ms 1 476 0.00 MB/sec execute 20 sec latency 28974.113 ms 1 476 0.00 MB/sec execute 21 sec latency 29977.179 ms 1 476 0.00 MB/sec execute 22 sec latency 30978.912 ms 1 476 0.00 MB/sec execute 23 sec latency 31979.377 ms 1 476 0.00 MB/sec execute 24 sec latency 32979.789 ms 1 476 0.00 MB/sec execute 25 sec latency 33980.544 ms 1 476 0.00 MB/sec execute 26 sec latency 34980.762 ms 1 476 0.00 MB/sec execute 27 sec latency 35981.263 ms 1 476 0.00 MB/sec execute 28 sec latency 36981.442 ms 1 476 0.00 MB/sec execute 29 sec latency 37981.868 ms 1 476 0.00 MB/sec execute 30 sec latency 38983.283 ms 1 476 0.00 MB/sec execute 31 sec latency 39983.481 ms 1 477 0.00 MB/sec execute 32 sec latency 40689.140 ms 1 509 0.03 MB/sec execute 33 sec latency 308.567 ms 1 542 0.07 MB/sec execute 34 sec latency 169.003 ms 1 616 0.12 MB/sec execute 35 sec latency 132.588 ms 1 664 0.12 MB/sec execute 36 sec latency 184.264 ms 1 676 0.12 MB/sec execute 37 sec latency 396.017 ms 1 707 0.12 MB/sec execute 38 sec latency 160.241 ms oleg201-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.12 MB/sec execute 39 sec latency 407.427 ms 1 738 0.12 MB/sec execute 40 sec latency 407.917 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 769 0.11 MB/sec execute 41 sec latency 178.320 ms 1 789 0.11 MB/sec execute 42 sec latency 266.844 ms 1 801 0.11 MB/sec execute 43 sec latency 427.186 ms 1 848 0.11 MB/sec execute 44 sec latency 157.839 ms 1 874 0.11 MB/sec execute 45 sec latency 180.855 ms 1 910 0.11 MB/sec execute 46 sec latency 99.964 ms 1 955 0.11 MB/sec execute 47 sec latency 212.580 ms 1 983 0.11 MB/sec execute 48 sec latency 213.881 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1059 0.13 MB/sec execute 49 sec latency 96.076 ms 1 1124 0.13 MB/sec execute 50 sec latency 97.681 ms 1 1180 0.12 MB/sec execute 51 sec latency 78.635 ms 1 1229 0.12 MB/sec execute 52 sec latency 78.617 ms 1 1268 0.12 MB/sec execute 53 sec latency 100.689 ms 1 1396 0.17 MB/sec execute 54 sec latency 170.703 ms 1 1448 0.17 MB/sec execute 55 sec latency 67.158 ms 1 1492 0.17 MB/sec execute 56 sec latency 290.711 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1552 0.16 MB/sec execute 57 sec latency 70.447 ms stopping dbench on /mnt/lustre at Wed Aug 19 07:46:32 EDT 2026 with return code 0 47306 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47306 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished