== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:36:29 (1781238989) Starting client oleg438-client.virtnet: -o user_xattr,flock 192.168.204.138@tcp:/lustre /mnt/lustre Started clients oleg438-client.virtnet: 192.168.204.138@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 64927 Started dbench loop with 64928 striped dir -i0 -c2 -H fnv_1a_64 /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13852 3584844 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190320 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 Fri Jun 12 00:36:36 EDT 2026 waiting for dbench pid 65006 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 5 0.00 MB/sec warmup 1 sec latency 158.421 ms 1 35 0.56 MB/sec warmup 2 sec latency 111.224 ms 1 89 1.38 MB/sec warmup 3 sec latency 108.918 ms 1 121 1.37 MB/sec warmup 4 sec latency 199.228 ms 1 153 1.29 MB/sec warmup 5 sec latency 198.132 ms 1 165 1.13 MB/sec warmup 6 sec latency 481.579 ms 1 184 1.05 MB/sec warmup 7 sec latency 520.012 ms 1 216 1.04 MB/sec warmup 8 sec latency 466.446 ms 1 263 1.10 MB/sec warmup 9 sec latency 105.588 ms test_26 fail mds1 1 times 1 295 1.09 MB/sec warmup 10 sec latency 156.208 ms 1 323 1.07 MB/sec warmup 11 sec latency 167.748 ms Failing mds1 on oleg438-server 1 352 1.04 MB/sec warmup 12 sec latency 163.156 ms Stopping /mnt/lustre-mds1 (opts:) on oleg438-server 1 387 1.06 MB/sec warmup 13 sec latency 135.282 ms 1 413 1.04 MB/sec warmup 14 sec latency 225.835 ms 1 413 0.97 MB/sec warmup 15 sec latency 1228.758 ms 1 413 0.91 MB/sec warmup 16 sec latency 2229.172 ms 00:36:53 (1781239013) shut down facet: mds1 facet_host: oleg438-server facet_failover_host: oleg438-server 1 413 0.86 MB/sec warmup 17 sec latency 3237.143 ms 1 413 0.81 MB/sec warmup 18 sec latency 4237.417 ms 1 413 0.77 MB/sec warmup 19 sec latency 5237.645 ms 1 413 0.00 MB/sec execute 1 sec latency 7239.278 ms 1 413 0.00 MB/sec execute 2 sec latency 8239.727 ms 1 413 0.00 MB/sec execute 3 sec latency 9239.961 ms 1 413 0.00 MB/sec execute 4 sec latency 10240.427 ms 1 413 0.00 MB/sec execute 5 sec latency 11244.252 ms 1 413 0.00 MB/sec execute 6 sec latency 12244.805 ms 1 413 0.00 MB/sec execute 7 sec latency 13245.098 ms Failover mds1 to oleg438-server mount facets: mds1 1 413 0.00 MB/sec execute 8 sec latency 14245.437 ms 1 413 0.00 MB/sec execute 9 sec latency 15245.899 ms 1 413 0.00 MB/sec execute 10 sec latency 16246.132 ms 1 413 0.00 MB/sec execute 11 sec latency 17246.419 ms 1 413 0.00 MB/sec execute 12 sec latency 18247.476 ms 1 413 0.00 MB/sec execute 13 sec latency 19248.957 ms 1 413 0.00 MB/sec execute 14 sec latency 20250.798 ms 1 413 0.00 MB/sec execute 15 sec latency 21251.765 ms 1 413 0.00 MB/sec execute 16 sec latency 22251.967 ms 1 413 0.00 MB/sec execute 17 sec latency 23254.793 ms 1 413 0.00 MB/sec execute 18 sec latency 24259.375 ms 1 413 0.00 MB/sec execute 19 sec latency 25262.237 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 413 0.00 MB/sec execute 20 sec latency 26264.690 ms 1 413 0.00 MB/sec execute 21 sec latency 27264.924 ms 1 413 0.00 MB/sec execute 22 sec latency 28267.377 ms 1 413 0.00 MB/sec execute 23 sec latency 29269.111 ms 1 413 0.00 MB/sec execute 24 sec latency 30269.380 ms 1 413 0.00 MB/sec execute 25 sec latency 31271.572 ms 1 413 0.00 MB/sec execute 26 sec latency 32273.303 ms 1 413 0.00 MB/sec execute 27 sec latency 33280.363 ms 1 413 0.00 MB/sec execute 28 sec latency 34280.584 ms 1 413 0.00 MB/sec execute 29 sec latency 35282.108 ms 1 413 0.00 MB/sec execute 30 sec latency 36282.410 ms oleg438-server: oleg438-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 31 sec latency 37282.821 ms 1 413 0.00 MB/sec execute 32 sec latency 38285.836 ms pdsh@oleg438-client: oleg438-server: ssh exited with exit code 1 1 413 0.00 MB/sec execute 33 sec latency 39290.351 ms Started lustre-MDT0000 00:37:30 (1781239050) targets are mounted 00:37:30 (1781239050) facet_failover done 1 429 0.02 MB/sec execute 34 sec latency 39854.873 ms 1 469 0.05 MB/sec execute 35 sec latency 116.195 ms 1 501 0.08 MB/sec execute 36 sec latency 183.750 ms 1 533 0.11 MB/sec execute 37 sec latency 158.268 ms 1 573 0.12 MB/sec execute 38 sec latency 570.726 ms oleg438-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 639 0.17 MB/sec execute 39 sec latency 120.564 ms 1 669 0.16 MB/sec execute 40 sec latency 126.629 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 699 0.16 MB/sec execute 41 sec latency 124.124 ms 1 723 0.16 MB/sec execute 42 sec latency 212.970 ms 1 743 0.16 MB/sec execute 43 sec latency 162.726 ms 1 773 0.15 MB/sec execute 44 sec latency 152.799 ms 1 806 0.15 MB/sec execute 45 sec latency 138.977 ms 1 872 0.15 MB/sec execute 46 sec latency 117.182 ms 1 902 0.15 MB/sec execute 47 sec latency 122.974 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2052 1269252 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1860 1269444 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 37496 3565368 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10820 3592768 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 48316 7158136 1% /mnt/lustre 1 925 0.15 MB/sec execute 48 sec latency 112.652 ms 1 967 0.15 MB/sec execute 49 sec latency 93.328 ms 1 990 0.15 MB/sec execute 50 sec latency 147.445 ms 1 1056 0.16 MB/sec execute 51 sec latency 117.071 ms 1 1099 0.16 MB/sec execute 52 sec latency 127.284 ms 1 1139 0.16 MB/sec execute 53 sec latency 123.159 ms 1 1172 0.16 MB/sec execute 54 sec latency 280.967 ms 1 1180 0.15 MB/sec execute 55 sec latency 981.167 ms 1 1224 0.15 MB/sec execute 56 sec latency 92.825 ms 1 1270 0.15 MB/sec execute 57 sec latency 91.728 ms test_26 fail mds2 2 times 1 1401 0.20 MB/sec execute 58 sec latency 62.335 ms 1 1430 0.19 MB/sec execute 59 sec latency 121.594 ms Failing mds2 on oleg438-server 1 1474 0.19 MB/sec execute 60 sec latency 87.843 ms Stopping /mnt/lustre-mds2 (opts:) on oleg438-server 1 1505 0.19 MB/sec execute 61 sec latency 137.068 ms 1 1566 0.19 MB/sec execute 62 sec latency 104.353 ms 1 1635 0.18 MB/sec execute 63 sec latency 69.051 ms 1 1691 0.18 MB/sec execute 64 sec latency 85.264 ms 1 1775 0.18 MB/sec execute 65 sec latency 72.829 ms 1 1840 0.18 MB/sec execute 66 sec latency 67.918 ms 1 1905 0.18 MB/sec execute 67 sec latency 80.402 ms 1 1977 0.17 MB/sec execute 68 sec latency 81.401 ms 1 2016 0.17 MB/sec execute 69 sec latency 133.873 ms 00:38:06 (1781239086) shut down facet: mds2 facet_host: oleg438-server facet_failover_host: oleg438-server 1 2069 0.17 MB/sec execute 70 sec latency 95.552 ms 1 2148 0.17 MB/sec execute 71 sec latency 88.126 ms 1 2187 0.17 MB/sec execute 72 sec latency 91.616 ms 1 2259 0.17 MB/sec execute 73 sec latency 117.422 ms 1 2259 0.16 MB/sec execute 74 sec latency 1117.637 ms 1 2259 0.16 MB/sec execute 75 sec latency 2117.929 ms 1 2259 0.16 MB/sec execute 76 sec latency 3118.171 ms 1 2259 0.16 MB/sec execute 77 sec latency 4120.740 ms 1 2259 0.16 MB/sec execute 78 sec latency 5120.999 ms 1 2259 0.15 MB/sec execute 79 sec latency 6121.291 ms Failover mds2 to oleg438-server 1 2259 0.15 MB/sec execute 80 sec latency 7121.444 ms mount facets: mds2 1 2259 0.15 MB/sec execute 81 sec latency 8121.712 ms 1 2259 0.15 MB/sec execute 82 sec latency 9129.085 ms 1 2259 0.15 MB/sec execute 83 sec latency 10130.916 ms 1 2259 0.14 MB/sec execute 84 sec latency 11131.148 ms 1 2259 0.14 MB/sec execute 85 sec latency 12134.756 ms 1 2259 0.14 MB/sec execute 86 sec latency 13135.044 ms 1 2259 0.14 MB/sec execute 87 sec latency 14135.565 ms 1 2259 0.14 MB/sec execute 88 sec latency 15135.862 ms 1 2259 0.14 MB/sec execute 89 sec latency 16136.102 ms 1 2259 0.14 MB/sec execute 90 sec latency 17136.656 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 91 sec latency 18137.519 ms 1 2259 0.13 MB/sec execute 92 sec latency 19138.207 ms 1 2259 0.13 MB/sec execute 93 sec latency 20141.397 ms 1 2259 0.13 MB/sec execute 94 sec latency 21141.885 ms 1 2259 0.13 MB/sec execute 95 sec latency 22142.313 ms 1 2259 0.13 MB/sec execute 96 sec latency 23142.540 ms 1 2259 0.13 MB/sec execute 97 sec latency 24142.842 ms oleg438-server: oleg438-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 98 sec latency 25143.082 ms pdsh@oleg438-client: oleg438-server: ssh exited with exit code 1 1 2259 0.12 MB/sec execute 99 sec latency 26143.350 ms Started lustre-MDT0001 00:38:36 (1781239116) targets are mounted 00:38:36 (1781239116) facet_failover done 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 332 257.045 39854.854 Close 287 11.257 44.128 Rename 11 106.647 280.944 Unlink 30 25.076 46.628 Qpathinfo 295 14.392 102.217 Qfileinfo 80 2.352 12.966 Qfsinfo 33 4.896 42.321 Sfileinfo 34 62.367 162.711 Find 92 11.883 83.354 WriteX 279 14.230 87.822 ReadX 354 2.464 81.766 Flush 30 56.113 212.951 Throughput 0.122826 MB/sec 1 clients 1 procs max_latency=39854.873 ms stopping dbench on /mnt/lustre at Fri Jun 12 00:38:40 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg438-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Jun 12 00:38:49 EDT 2026 waiting for dbench pid 67089 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 18 0.26 MB/sec warmup 1 sec latency 17.647 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2344 1268960 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2120 1269184 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36416 3569440 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10812 3596004 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165444 1% /mnt/lustre 1 70 1.57 MB/sec warmup 2 sec latency 92.961 ms 1 111 1.74 MB/sec warmup 3 sec latency 141.396 ms 1 144 1.53 MB/sec warmup 4 sec latency 178.524 ms 1 181 1.46 MB/sec warmup 5 sec latency 166.276 ms 1 199 1.30 MB/sec warmup 6 sec latency 517.440 ms 1 235 1.28 MB/sec warmup 7 sec latency 133.157 ms 1 271 1.27 MB/sec warmup 8 sec latency 112.915 ms 1 305 1.24 MB/sec warmup 9 sec latency 142.896 ms 1 341 1.22 MB/sec warmup 10 sec latency 129.517 ms 1 389 1.25 MB/sec warmup 11 sec latency 103.533 ms test_26 fail mds1 3 times 1 428 1.26 MB/sec warmup 12 sec latency 106.985 ms 1 457 1.23 MB/sec warmup 13 sec latency 144.708 ms Failing mds1 on oleg438-server 1 485 1.21 MB/sec warmup 14 sec latency 181.942 ms Stopping /mnt/lustre-mds1 (opts:) on oleg438-server 1 516 1.18 MB/sec warmup 15 sec latency 154.477 ms 1 603 1.31 MB/sec warmup 16 sec latency 97.051 ms 1 606 1.23 MB/sec warmup 17 sec latency 943.348 ms 1 606 1.16 MB/sec warmup 18 sec latency 1944.260 ms 00:39:07 (1781239147) shut down facet: mds1 facet_host: oleg438-server facet_failover_host: oleg438-server 1 606 1.10 MB/sec warmup 19 sec latency 2946.475 ms 1 606 0.00 MB/sec execute 1 sec latency 4948.522 ms 1 606 0.00 MB/sec execute 2 sec latency 5950.562 ms 1 606 0.00 MB/sec execute 3 sec latency 6953.422 ms 1 606 0.00 MB/sec execute 4 sec latency 7953.638 ms 1 606 0.00 MB/sec execute 5 sec latency 8955.728 ms 1 606 0.00 MB/sec execute 6 sec latency 9956.341 ms 1 606 0.00 MB/sec execute 7 sec latency 10958.415 ms 1 606 0.00 MB/sec execute 8 sec latency 11958.643 ms 1 606 0.00 MB/sec execute 9 sec latency 12958.795 ms Failover mds1 to oleg438-server mount facets: mds1 1 606 0.00 MB/sec execute 10 sec latency 13958.976 ms 1 606 0.00 MB/sec execute 11 sec latency 14961.900 ms 1 606 0.00 MB/sec execute 12 sec latency 15963.581 ms 1 606 0.00 MB/sec execute 13 sec latency 16966.930 ms 1 606 0.00 MB/sec execute 14 sec latency 17972.084 ms 1 606 0.00 MB/sec execute 15 sec latency 18976.070 ms 1 606 0.00 MB/sec execute 16 sec latency 19976.547 ms 1 606 0.00 MB/sec execute 17 sec latency 20976.766 ms 1 606 0.00 MB/sec execute 18 sec latency 21978.932 ms 1 606 0.00 MB/sec execute 19 sec latency 22984.365 ms 1 606 0.00 MB/sec execute 20 sec latency 23984.533 ms 1 606 0.00 MB/sec execute 21 sec latency 24985.171 ms 1 606 0.00 MB/sec execute 22 sec latency 25985.637 ms 1 606 0.00 MB/sec execute 23 sec latency 26989.140 ms 1 606 0.00 MB/sec execute 24 sec latency 27989.464 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 25 sec latency 28989.679 ms 1 606 0.00 MB/sec execute 26 sec latency 29993.533 ms 1 606 0.00 MB/sec execute 27 sec latency 30993.852 ms 1 606 0.00 MB/sec execute 28 sec latency 31994.343 ms 1 606 0.00 MB/sec execute 29 sec latency 32994.538 ms 1 606 0.00 MB/sec execute 30 sec latency 33994.780 ms 1 606 0.00 MB/sec execute 31 sec latency 34995.004 ms 1 606 0.00 MB/sec execute 32 sec latency 35995.258 ms 1 606 0.00 MB/sec execute 33 sec latency 36997.063 ms 1 606 0.00 MB/sec execute 34 sec latency 37999.601 ms 1 606 0.00 MB/sec execute 35 sec latency 38999.921 ms 1 606 0.00 MB/sec execute 36 sec latency 40000.711 ms 1 606 0.00 MB/sec execute 37 sec latency 41000.966 ms 1 606 0.00 MB/sec execute 38 sec latency 42001.286 ms 1 606 0.00 MB/sec execute 39 sec latency 43001.544 ms 1 606 0.00 MB/sec execute 40 sec latency 44001.836 ms 1 606 0.00 MB/sec execute 41 sec latency 45002.288 ms 1 606 0.00 MB/sec execute 42 sec latency 46002.459 ms 1 606 0.00 MB/sec execute 43 sec latency 47002.647 ms 1 606 0.00 MB/sec execute 44 sec latency 48003.954 ms 1 606 0.00 MB/sec execute 45 sec latency 49004.165 ms oleg438-server: oleg438-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 46 sec latency 50005.267 ms pdsh@oleg438-client: oleg438-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 47 sec latency 51005.539 ms Started lustre-MDT0000 00:39:57 (1781239197) targets are mounted 00:39:57 (1781239197) facet_failover done 1 606 0.00 MB/sec execute 48 sec latency 52007.957 ms 1 606 0.00 MB/sec execute 49 sec latency 53008.467 ms 1 610 0.00 MB/sec execute 50 sec latency 53869.093 ms 1 654 0.00 MB/sec execute 51 sec latency 130.039 ms 1 686 0.00 MB/sec execute 52 sec latency 129.139 ms oleg438-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 712 0.00 MB/sec execute 53 sec latency 129.421 ms 1 720 0.01 MB/sec execute 54 sec latency 817.993 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 738 0.01 MB/sec execute 55 sec latency 1010.838 ms 1 769 0.01 MB/sec execute 56 sec latency 142.101 ms 1 801 0.01 MB/sec execute 57 sec latency 141.735 ms 1 851 0.01 MB/sec execute 58 sec latency 86.913 ms 1 888 0.01 MB/sec execute 59 sec latency 90.073 ms 1 918 0.01 MB/sec execute 60 sec latency 124.275 ms 1 957 0.01 MB/sec execute 61 sec latency 94.140 ms 1 981 0.01 MB/sec execute 62 sec latency 121.331 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1041 0.03 MB/sec execute 63 sec latency 110.035 ms 1 1112 0.03 MB/sec execute 64 sec latency 54.966 ms 1 1156 0.03 MB/sec execute 65 sec latency 83.625 ms 1 1202 0.03 MB/sec execute 66 sec latency 83.235 ms 1 1242 0.03 MB/sec execute 67 sec latency 137.969 ms 1 1284 0.03 MB/sec execute 68 sec latency 161.543 ms 1 1387 0.07 MB/sec execute 69 sec latency 526.029 ms 1 1428 0.07 MB/sec execute 70 sec latency 88.450 ms 1 1481 0.07 MB/sec execute 71 sec latency 71.765 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Jun 12 00:40:20 EDT 2026 with return code 0 67089 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67089 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished