== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:49:15 (1786736955) Starting client oleg336-client.virtnet: -o user_xattr,flock 192.168.203.136@tcp:/lustre /mnt/lustre Started clients oleg336-client.virtnet: 192.168.203.136@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 65655 Started dbench loop with 65657 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3593060 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198516 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 Aug 14 15:49:22 EDT 2026 waiting for dbench pid 65735 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 34.640 ms 1 40 0.72 MB/sec warmup 2 sec latency 82.907 ms 1 96 1.44 MB/sec warmup 3 sec latency 176.448 ms 1 122 1.37 MB/sec warmup 4 sec latency 223.328 ms 1 153 1.29 MB/sec warmup 5 sec latency 202.935 ms 1 164 1.13 MB/sec warmup 6 sec latency 432.414 ms 1 178 1.03 MB/sec warmup 7 sec latency 981.452 ms 1 187 0.94 MB/sec warmup 8 sec latency 753.328 ms 1 222 0.96 MB/sec warmup 9 sec latency 140.288 ms 1 264 0.99 MB/sec warmup 10 sec latency 119.198 ms test_26 fail mds1 1 times 1 297 0.99 MB/sec warmup 11 sec latency 139.148 ms 1 318 0.95 MB/sec warmup 12 sec latency 247.268 ms Failing mds1 on oleg336-server 1 341 0.94 MB/sec warmup 13 sec latency 211.873 ms Stopping /mnt/lustre-mds1 (opts:) on oleg336-server 1 381 0.97 MB/sec warmup 14 sec latency 168.797 ms 1 404 0.95 MB/sec warmup 15 sec latency 200.415 ms 1 404 0.89 MB/sec warmup 16 sec latency 1091.825 ms 1 404 0.84 MB/sec warmup 17 sec latency 2092.034 ms 15:49:40 (1786736980) shut down facet: mds1 facet_host: oleg336-server facet_failover_host: oleg336-server 1 404 0.80 MB/sec warmup 18 sec latency 3092.335 ms 1 404 0.75 MB/sec warmup 19 sec latency 4093.584 ms 1 404 0.00 MB/sec execute 1 sec latency 6096.898 ms 1 404 0.00 MB/sec execute 2 sec latency 7097.161 ms 1 404 0.00 MB/sec execute 3 sec latency 8097.632 ms 1 404 0.00 MB/sec execute 4 sec latency 9102.158 ms 1 404 0.00 MB/sec execute 5 sec latency 10102.527 ms 1 404 0.00 MB/sec execute 6 sec latency 11104.227 ms 1 404 0.00 MB/sec execute 7 sec latency 12106.080 ms Failover mds1 to oleg336-server 1 404 0.00 MB/sec execute 8 sec latency 13114.230 ms mount facets: mds1 1 404 0.00 MB/sec execute 9 sec latency 14115.300 ms 1 404 0.00 MB/sec execute 10 sec latency 15127.070 ms 1 404 0.00 MB/sec execute 11 sec latency 16133.584 ms 1 404 0.00 MB/sec execute 12 sec latency 17134.188 ms 1 404 0.00 MB/sec execute 13 sec latency 18137.713 ms 1 404 0.00 MB/sec execute 14 sec latency 19137.915 ms 1 404 0.00 MB/sec execute 15 sec latency 20138.524 ms 1 404 0.00 MB/sec execute 16 sec latency 21141.998 ms 1 404 0.00 MB/sec execute 17 sec latency 22143.817 ms 1 404 0.00 MB/sec execute 18 sec latency 23156.038 ms 1 404 0.00 MB/sec execute 19 sec latency 24156.281 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 404 0.00 MB/sec execute 20 sec latency 25156.544 ms 1 404 0.00 MB/sec execute 21 sec latency 26160.558 ms 1 404 0.00 MB/sec execute 22 sec latency 27160.830 ms 1 404 0.00 MB/sec execute 23 sec latency 28161.029 ms 1 404 0.00 MB/sec execute 24 sec latency 29161.286 ms 1 404 0.00 MB/sec execute 25 sec latency 30161.492 ms 1 404 0.00 MB/sec execute 26 sec latency 31161.730 ms 1 404 0.00 MB/sec execute 27 sec latency 32162.237 ms 1 404 0.00 MB/sec execute 28 sec latency 33162.523 ms oleg336-server: oleg336-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 29 sec latency 34163.074 ms pdsh@oleg336-client: oleg336-server: ssh exited with exit code 1 1 404 0.00 MB/sec execute 30 sec latency 35165.109 ms Started lustre-MDT0000 15:50:13 (1786737013) targets are mounted 15:50:13 (1786737013) facet_failover done 1 404 0.00 MB/sec execute 31 sec latency 36165.664 ms 1 429 0.02 MB/sec execute 32 sec latency 36398.429 ms 1 470 0.06 MB/sec execute 33 sec latency 161.256 ms 1 511 0.10 MB/sec execute 34 sec latency 149.335 ms 1 552 0.14 MB/sec execute 35 sec latency 286.262 ms 1 636 0.19 MB/sec execute 36 sec latency 500.440 ms 1 674 0.18 MB/sec execute 37 sec latency 105.466 ms oleg336-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 720 0.18 MB/sec execute 38 sec latency 101.127 ms 1 746 0.18 MB/sec execute 39 sec latency 129.943 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 778 0.18 MB/sec execute 40 sec latency 165.972 ms 1 808 0.17 MB/sec execute 41 sec latency 117.623 ms 1 862 0.17 MB/sec execute 42 sec latency 94.380 ms 1 897 0.17 MB/sec execute 43 sec latency 110.349 ms 1 923 0.17 MB/sec execute 44 sec latency 143.940 ms 1 969 0.17 MB/sec execute 45 sec latency 81.696 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2112 1269192 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9032 3593892 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 43520 3558876 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 52552 7152768 1% /mnt/lustre 1 994 0.16 MB/sec execute 46 sec latency 130.857 ms 1 1051 0.18 MB/sec execute 47 sec latency 128.221 ms 1 1092 0.18 MB/sec execute 48 sec latency 99.731 ms 1 1132 0.18 MB/sec execute 49 sec latency 110.977 ms 1 1163 0.17 MB/sec execute 50 sec latency 137.768 ms 1 1173 0.17 MB/sec execute 51 sec latency 856.274 ms 1 1200 0.17 MB/sec execute 52 sec latency 107.958 ms 1 1242 0.16 MB/sec execute 53 sec latency 113.528 ms 1 1277 0.16 MB/sec execute 54 sec latency 145.152 ms 1 1405 0.21 MB/sec execute 55 sec latency 78.509 ms test_26 fail mds2 2 times 1 1447 0.21 MB/sec execute 56 sec latency 103.975 ms 1 1487 0.20 MB/sec execute 57 sec latency 170.566 ms 1 1514 0.20 MB/sec execute 58 sec latency 127.859 ms Failing mds2 on oleg336-server 1 1562 0.20 MB/sec execute 59 sec latency 100.468 ms Stopping /mnt/lustre-mds2 (opts:) on oleg336-server 1 1608 0.20 MB/sec execute 60 sec latency 78.211 ms 1 1655 0.19 MB/sec execute 61 sec latency 145.364 ms 1 1689 0.19 MB/sec execute 62 sec latency 133.249 ms 1 1729 0.19 MB/sec execute 63 sec latency 112.244 ms 15:50:46 (1786737046) shut down facet: mds2 facet_host: oleg336-server facet_failover_host: oleg336-server 1 1785 0.19 MB/sec execute 64 sec latency 97.916 ms 1 1841 0.18 MB/sec execute 65 sec latency 106.993 ms 1 1903 0.18 MB/sec execute 66 sec latency 117.611 ms 1 1988 0.18 MB/sec execute 67 sec latency 69.407 ms 1 2063 0.18 MB/sec execute 68 sec latency 71.390 ms 1 2136 0.18 MB/sec execute 69 sec latency 85.168 ms 1 2168 0.18 MB/sec execute 70 sec latency 146.482 ms 1 2226 0.17 MB/sec execute 71 sec latency 117.594 ms 1 2259 0.17 MB/sec execute 72 sec latency 687.582 ms 1 2259 0.17 MB/sec execute 73 sec latency 1689.112 ms Failover mds2 to oleg336-server mount facets: mds2 1 2259 0.17 MB/sec execute 74 sec latency 2690.250 ms 1 2259 0.17 MB/sec execute 75 sec latency 3690.657 ms 1 2259 0.16 MB/sec execute 76 sec latency 4693.659 ms 1 2259 0.16 MB/sec execute 77 sec latency 5694.186 ms 1 2259 0.16 MB/sec execute 78 sec latency 6702.939 ms 1 2259 0.16 MB/sec execute 79 sec latency 7703.203 ms 1 2259 0.16 MB/sec execute 80 sec latency 8703.525 ms 1 2259 0.15 MB/sec execute 81 sec latency 9703.984 ms 1 2259 0.15 MB/sec execute 82 sec latency 10704.661 ms 1 2259 0.15 MB/sec execute 83 sec latency 11705.824 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 84 sec latency 12707.475 ms 1 2259 0.15 MB/sec execute 85 sec latency 13708.850 ms 1 2259 0.14 MB/sec execute 86 sec latency 14709.125 ms 1 2259 0.14 MB/sec execute 87 sec latency 15709.450 ms 1 2259 0.14 MB/sec execute 88 sec latency 16710.078 ms 1 2259 0.14 MB/sec execute 89 sec latency 17710.363 ms oleg336-server: oleg336-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 90 sec latency 18716.087 ms 1 2259 0.14 MB/sec execute 91 sec latency 19716.650 ms pdsh@oleg336-client: oleg336-server: ssh exited with exit code 1 1 2259 0.14 MB/sec execute 92 sec latency 20716.831 ms Started lustre-MDT0001 15:51:15 (1786737075) targets are mounted 15:51:15 (1786737075) facet_failover done 1 2262 0.13 MB/sec execute 93 sec latency 21685.416 ms 1 2338 0.14 MB/sec execute 94 sec latency 88.801 ms 1 2364 0.14 MB/sec execute 95 sec latency 166.418 ms 1 2388 0.14 MB/sec execute 96 sec latency 170.400 ms 1 2412 0.14 MB/sec execute 97 sec latency 170.185 ms 1 2439 0.14 MB/sec execute 98 sec latency 150.645 ms 1 2474 0.14 MB/sec execute 99 sec latency 100.931 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg336-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 361 116.197 21685.396 Close 312 129.205 36398.399 Rename 15 109.016 170.159 Unlink 37 27.165 65.143 Qpathinfo 335 18.302 170.373 Qfileinfo 92 3.339 34.992 Qfsinfo 42 5.972 31.477 Sfileinfo 47 70.730 166.397 Find 112 14.374 55.028 WriteX 327 14.078 83.446 ReadX 385 2.290 80.104 Flush 34 56.454 143.921 Throughput 0.143986 MB/sec 1 clients 1 procs max_latency=36398.429 ms stopping dbench on /mnt/lustre at Fri Aug 14 15:51:28 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush2 /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 2320 1268984 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1888 3603820 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20176 3586004 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22064 7189824 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 Aug 14 15:51:39 EDT 2026 waiting for dbench pid 67910 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 8 0.00 MB/sec warmup 1 sec latency 41.554 ms 1 39 0.69 MB/sec warmup 2 sec latency 157.044 ms 1 80 1.18 MB/sec warmup 3 sec latency 130.256 ms 1 110 1.31 MB/sec warmup 4 sec latency 287.197 ms 1 110 1.05 MB/sec warmup 5 sec latency 1287.845 ms 1 111 0.87 MB/sec warmup 6 sec latency 2189.834 ms 1 127 0.81 MB/sec warmup 7 sec latency 339.052 ms 1 150 0.78 MB/sec warmup 8 sec latency 202.196 ms 1 178 0.80 MB/sec warmup 9 sec latency 196.312 ms test_26 fail mds1 3 times 1 194 0.77 MB/sec warmup 10 sec latency 572.483 ms 1 208 0.73 MB/sec warmup 11 sec latency 292.226 ms 1 234 0.74 MB/sec warmup 12 sec latency 285.900 ms Failing mds1 on oleg336-server 1 263 0.76 MB/sec warmup 13 sec latency 171.541 ms Stopping /mnt/lustre-mds1 (opts:) on oleg336-server 1 301 0.78 MB/sec warmup 14 sec latency 128.712 ms 1 323 0.78 MB/sec warmup 15 sec latency 189.490 ms 1 339 0.76 MB/sec warmup 16 sec latency 683.514 ms 1 339 0.72 MB/sec warmup 17 sec latency 1685.318 ms 1 339 0.68 MB/sec warmup 18 sec latency 2685.522 ms 1 339 0.64 MB/sec warmup 19 sec latency 3694.080 ms 1 339 0.00 MB/sec execute 1 sec latency 5695.503 ms 1 339 0.00 MB/sec execute 2 sec latency 6696.802 ms 1 339 0.00 MB/sec execute 3 sec latency 7697.221 ms 15:52:03 (1786737123) shut down 1 339 0.00 MB/sec execute 4 sec latency 8707.185 ms facet: mds1 facet_host: oleg336-server facet_failover_host: oleg336-server 1 339 0.00 MB/sec execute 5 sec latency 9709.217 ms 1 339 0.00 MB/sec execute 6 sec latency 10709.518 ms 1 339 0.00 MB/sec execute 7 sec latency 11709.739 ms 1 339 0.00 MB/sec execute 8 sec latency 12710.382 ms 1 339 0.00 MB/sec execute 9 sec latency 13710.606 ms 1 339 0.00 MB/sec execute 10 sec latency 14710.798 ms 1 339 0.00 MB/sec execute 11 sec latency 15711.502 ms 1 339 0.00 MB/sec execute 12 sec latency 16711.739 ms 1 339 0.00 MB/sec execute 13 sec latency 17711.950 ms 1 339 0.00 MB/sec execute 14 sec latency 18715.174 ms Failover mds1 to oleg336-server mount facets: mds1 1 339 0.00 MB/sec execute 15 sec latency 19715.916 ms 1 339 0.00 MB/sec execute 16 sec latency 20716.608 ms 1 339 0.00 MB/sec execute 17 sec latency 21723.153 ms 1 339 0.00 MB/sec execute 18 sec latency 22724.078 ms 1 339 0.00 MB/sec execute 19 sec latency 23724.456 ms 1 339 0.00 MB/sec execute 20 sec latency 24724.987 ms 1 339 0.00 MB/sec execute 21 sec latency 25726.069 ms 1 339 0.00 MB/sec execute 22 sec latency 26726.378 ms 1 339 0.00 MB/sec execute 23 sec latency 27726.583 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 339 0.00 MB/sec execute 24 sec latency 28729.910 ms 1 339 0.00 MB/sec execute 25 sec latency 29730.187 ms 1 339 0.00 MB/sec execute 26 sec latency 30731.779 ms 1 339 0.00 MB/sec execute 27 sec latency 31732.080 ms 1 339 0.00 MB/sec execute 28 sec latency 32732.372 ms 1 339 0.00 MB/sec execute 29 sec latency 33732.611 ms 1 339 0.00 MB/sec execute 30 sec latency 34732.804 ms 1 339 0.00 MB/sec execute 31 sec latency 35733.074 ms 1 339 0.00 MB/sec execute 32 sec latency 36733.590 ms 1 339 0.00 MB/sec execute 33 sec latency 37735.556 ms 1 339 0.00 MB/sec execute 34 sec latency 38735.843 ms 1 339 0.00 MB/sec execute 35 sec latency 39736.092 ms oleg336-server: oleg336-server.virtnet: executing set_default_debug -1 all 1 339 0.00 MB/sec execute 36 sec latency 40738.243 ms 1 339 0.00 MB/sec execute 37 sec latency 41739.739 ms pdsh@oleg336-client: oleg336-server: ssh exited with exit code 1 1 339 0.00 MB/sec execute 38 sec latency 42740.028 ms Started lustre-MDT0000 15:52:37 (1786737157) targets are mounted 15:52:37 (1786737157) facet_failover done 1 373 0.03 MB/sec execute 39 sec latency 42756.572 ms 1 413 0.06 MB/sec execute 40 sec latency 113.641 ms 1 450 0.09 MB/sec execute 41 sec latency 120.962 ms 1 483 0.11 MB/sec execute 42 sec latency 115.399 ms 1 507 0.12 MB/sec execute 43 sec latency 163.149 ms 1 532 0.14 MB/sec execute 44 sec latency 185.311 ms 1 601 0.19 MB/sec execute 45 sec latency 155.839 ms 1 639 0.19 MB/sec execute 46 sec latency 189.935 ms oleg336-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 673 0.19 MB/sec execute 47 sec latency 127.942 ms 1 695 0.19 MB/sec execute 48 sec latency 172.584 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 716 0.18 MB/sec execute 49 sec latency 180.235 ms 1 738 0.18 MB/sec execute 50 sec latency 184.490 ms 1 772 0.18 MB/sec execute 51 sec latency 134.346 ms 1 801 0.18 MB/sec execute 52 sec latency 121.245 ms 1 824 0.17 MB/sec execute 53 sec latency 142.812 ms 1 864 0.17 MB/sec execute 54 sec latency 157.566 ms 1 884 0.17 MB/sec execute 55 sec latency 171.141 ms 1 887 0.17 MB/sec execute 56 sec latency 837.819 ms 1 914 0.17 MB/sec execute 57 sec latency 134.349 ms 1 949 0.16 MB/sec execute 58 sec latency 112.227 ms 1 970 0.16 MB/sec execute 59 sec latency 177.087 ms 1 993 0.16 MB/sec execute 60 sec latency 158.657 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1055 0.17 MB/sec execute 61 sec latency 69.850 ms 1 1084 0.17 MB/sec execute 62 sec latency 114.837 ms 1 1127 0.17 MB/sec execute 63 sec latency 154.635 ms 1 1155 0.17 MB/sec execute 64 sec latency 140.416 ms 1 1200 0.17 MB/sec execute 65 sec latency 110.693 ms 1 1257 0.16 MB/sec execute 66 sec latency 99.187 ms 1 1380 0.20 MB/sec execute 67 sec latency 116.768 ms 1 1418 0.20 MB/sec execute 68 sec latency 114.736 ms 1 1455 0.20 MB/sec execute 69 sec latency 219.663 ms 1 1480 0.20 MB/sec execute 70 sec latency 442.566 ms 1 1515 0.19 MB/sec execute 71 sec latency 103.348 ms 1 1578 0.19 MB/sec execute 72 sec latency 79.937 ms tar: Error is not recoverable: exiting now 1 1625 0.19 MB/sec execute 73 sec latency 79.000 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 15:53:12 EDT 2026 with return code 0 67910 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67910 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished