== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:19:21 (1780453161) Starting client oleg454-client.virtnet: -o user_xattr,flock 192.168.204.154@tcp:/lustre /mnt/lustre Started clients oleg454-client.virtnet: 192.168.204.154@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 64924 Started dbench loop with 64926 striped dir -i0 -c2 -H crush2 /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3588900 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7194376 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 2 22:19:28 EDT 2026 waiting for dbench pid 65003 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 12 0.00 MB/sec warmup 1 sec latency 16.233 ms 1 71 1.57 MB/sec warmup 2 sec latency 117.973 ms 1 111 1.74 MB/sec warmup 3 sec latency 176.441 ms 1 144 1.53 MB/sec warmup 4 sec latency 185.627 ms 1 155 1.30 MB/sec warmup 5 sec latency 699.581 ms 1 184 1.23 MB/sec warmup 6 sec latency 789.760 ms 1 208 1.15 MB/sec warmup 7 sec latency 400.878 ms 1 255 1.20 MB/sec warmup 8 sec latency 92.714 ms test_26 fail mds1 1 times 1 289 1.19 MB/sec warmup 9 sec latency 152.547 ms 1 319 1.15 MB/sec warmup 10 sec latency 147.042 ms Failing mds1 on oleg454-server 1 349 1.14 MB/sec warmup 11 sec latency 157.287 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 386 1.14 MB/sec warmup 12 sec latency 173.957 ms 1 412 1.12 MB/sec warmup 13 sec latency 431.067 ms 1 412 1.04 MB/sec warmup 14 sec latency 1437.424 ms 22:19:42 (1780453182) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 412 0.97 MB/sec warmup 15 sec latency 2437.610 ms 1 412 0.91 MB/sec warmup 16 sec latency 3437.851 ms 1 412 0.86 MB/sec warmup 17 sec latency 4438.064 ms 1 412 0.81 MB/sec warmup 18 sec latency 5438.282 ms 1 412 0.77 MB/sec warmup 19 sec latency 6443.797 ms 1 412 0.00 MB/sec execute 1 sec latency 8445.388 ms 1 412 0.00 MB/sec execute 2 sec latency 9446.903 ms 1 412 0.00 MB/sec execute 3 sec latency 10450.246 ms 1 412 0.00 MB/sec execute 4 sec latency 11450.716 ms 1 412 0.00 MB/sec execute 5 sec latency 12450.884 ms Failover mds1 to oleg454-server mount facets: mds1 1 412 0.00 MB/sec execute 6 sec latency 13451.135 ms 1 412 0.00 MB/sec execute 7 sec latency 14451.387 ms 1 412 0.00 MB/sec execute 8 sec latency 15451.572 ms 1 412 0.00 MB/sec execute 9 sec latency 16459.892 ms 1 412 0.00 MB/sec execute 10 sec latency 17460.090 ms 1 412 0.00 MB/sec execute 11 sec latency 18460.267 ms 1 412 0.00 MB/sec execute 12 sec latency 19460.489 ms 1 412 0.00 MB/sec execute 13 sec latency 20464.133 ms 1 412 0.00 MB/sec execute 14 sec latency 21466.220 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 412 0.00 MB/sec execute 15 sec latency 22466.645 ms 1 412 0.00 MB/sec execute 16 sec latency 23466.853 ms 1 412 0.00 MB/sec execute 17 sec latency 24470.640 ms 1 412 0.00 MB/sec execute 18 sec latency 25470.978 ms 1 412 0.00 MB/sec execute 19 sec latency 26471.185 ms 1 412 0.00 MB/sec execute 20 sec latency 27471.459 ms 1 412 0.00 MB/sec execute 21 sec latency 28472.130 ms 1 412 0.00 MB/sec execute 22 sec latency 29472.346 ms 1 412 0.00 MB/sec execute 23 sec latency 30472.554 ms 1 412 0.00 MB/sec execute 24 sec latency 31472.829 ms 1 412 0.00 MB/sec execute 25 sec latency 32473.043 ms 1 412 0.00 MB/sec execute 26 sec latency 33478.714 ms 1 412 0.00 MB/sec execute 27 sec latency 34478.962 ms 1 412 0.00 MB/sec execute 28 sec latency 35489.159 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 412 0.00 MB/sec execute 29 sec latency 36489.563 ms 1 412 0.00 MB/sec execute 30 sec latency 37489.785 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 412 0.00 MB/sec execute 31 sec latency 38490.251 ms Started lustre-MDT0000 22:20:19 (1780453219) targets are mounted 22:20:19 (1780453219) facet_failover done 1 413 0.00 MB/sec execute 32 sec latency 39496.668 ms 1 445 0.03 MB/sec execute 33 sec latency 187.588 ms 1 477 0.06 MB/sec execute 34 sec latency 229.649 ms 1 503 0.08 MB/sec execute 35 sec latency 168.698 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 533 0.11 MB/sec execute 36 sec latency 323.000 ms 1 552 0.12 MB/sec execute 37 sec latency 632.232 ms 1 608 0.17 MB/sec execute 38 sec latency 876.142 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 649 0.17 MB/sec execute 39 sec latency 165.716 ms 1 674 0.16 MB/sec execute 40 sec latency 127.734 ms 1 699 0.16 MB/sec execute 41 sec latency 178.668 ms 1 730 0.16 MB/sec execute 42 sec latency 142.294 ms 1 765 0.16 MB/sec execute 43 sec latency 97.603 ms 1 794 0.16 MB/sec execute 44 sec latency 122.340 ms 1 821 0.15 MB/sec execute 45 sec latency 119.656 ms 1 863 0.15 MB/sec execute 46 sec latency 149.472 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2088 1269216 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33888 3570688 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 14824 3582436 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 48712 7153124 1% /mnt/lustre 1 882 0.15 MB/sec execute 47 sec latency 165.463 ms 1 903 0.15 MB/sec execute 48 sec latency 182.584 ms 1 918 0.15 MB/sec execute 49 sec latency 267.456 ms 1 954 0.14 MB/sec execute 50 sec latency 141.972 ms 1 973 0.14 MB/sec execute 51 sec latency 166.160 ms 1 990 0.14 MB/sec execute 52 sec latency 165.477 ms 1 1051 0.16 MB/sec execute 53 sec latency 118.987 ms 1 1056 0.15 MB/sec execute 54 sec latency 925.439 ms 1 1062 0.15 MB/sec execute 55 sec latency 1733.491 ms 1 1102 0.15 MB/sec execute 56 sec latency 107.720 ms 1 1155 0.15 MB/sec execute 57 sec latency 113.346 ms 1 1172 0.14 MB/sec execute 58 sec latency 659.972 ms test_26 fail mds2 2 times 1 1173 0.14 MB/sec execute 59 sec latency 1505.753 ms 1 1210 0.14 MB/sec execute 60 sec latency 171.306 ms Failing mds2 on oleg454-server 1 1231 0.14 MB/sec execute 61 sec latency 138.579 ms Stopping /mnt/lustre-mds2 (opts:) on oleg454-server 1 1263 0.14 MB/sec execute 62 sec latency 127.885 ms 1 1318 0.15 MB/sec execute 63 sec latency 234.190 ms 1 1318 0.15 MB/sec execute 64 sec latency 1234.574 ms 1 1318 0.15 MB/sec execute 65 sec latency 2235.291 ms 1 1318 0.14 MB/sec execute 66 sec latency 3235.627 ms 1 1318 0.14 MB/sec execute 67 sec latency 4236.108 ms 1 1318 0.14 MB/sec execute 68 sec latency 5236.353 ms 1 1318 0.14 MB/sec execute 69 sec latency 6236.701 ms 1 1318 0.14 MB/sec execute 70 sec latency 7236.926 ms 22:20:59 (1780453259) shut down facet: mds2 facet_host: oleg454-server facet_failover_host: oleg454-server 1 1318 0.13 MB/sec execute 71 sec latency 8237.269 ms 1 1318 0.13 MB/sec execute 72 sec latency 9237.542 ms 1 1318 0.13 MB/sec execute 73 sec latency 10238.207 ms 1 1318 0.13 MB/sec execute 74 sec latency 11239.387 ms 1 1318 0.13 MB/sec execute 75 sec latency 12240.604 ms 1 1318 0.13 MB/sec execute 76 sec latency 13241.382 ms 1 1318 0.12 MB/sec execute 77 sec latency 14241.591 ms 1 1318 0.12 MB/sec execute 78 sec latency 15242.226 ms 1 1318 0.12 MB/sec execute 79 sec latency 16247.053 ms 1 1318 0.12 MB/sec execute 80 sec latency 17247.300 ms Failover mds2 to oleg454-server 1 1318 0.12 MB/sec execute 81 sec latency 18247.464 ms mount facets: mds2 1 1318 0.12 MB/sec execute 82 sec latency 19249.702 ms 1 1318 0.11 MB/sec execute 83 sec latency 20249.908 ms 1 1318 0.11 MB/sec execute 84 sec latency 21250.182 ms 1 1318 0.11 MB/sec execute 85 sec latency 22254.766 ms 1 1318 0.11 MB/sec execute 86 sec latency 23254.991 ms 1 1318 0.11 MB/sec execute 87 sec latency 24256.073 ms 1 1318 0.11 MB/sec execute 88 sec latency 25256.461 ms 1 1318 0.11 MB/sec execute 89 sec latency 26256.835 ms 1 1318 0.11 MB/sec execute 90 sec latency 27257.199 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1318 0.10 MB/sec execute 91 sec latency 28260.941 ms 1 1318 0.10 MB/sec execute 92 sec latency 29262.867 ms 1 1318 0.10 MB/sec execute 93 sec latency 30263.112 ms 1 1318 0.10 MB/sec execute 94 sec latency 31267.597 ms 1 1318 0.10 MB/sec execute 95 sec latency 32270.217 ms 1 1318 0.10 MB/sec execute 96 sec latency 33270.522 ms 1 1318 0.10 MB/sec execute 97 sec latency 34271.242 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 1318 0.10 MB/sec execute 98 sec latency 35272.103 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 1318 0.10 MB/sec execute 99 sec latency 36275.171 ms Started lustre-MDT0001 22:21:28 (1780453288) targets are mounted 22:21:28 (1780453288) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 127 388.203 37987.364 Close 118 365.693 39496.644 Rename 10 108.758 166.135 Unlink 17 41.137 73.447 Qpathinfo 89 27.809 110.055 Qfileinfo 44 2.841 12.961 Qfsinfo 33 4.585 28.254 Sfileinfo 34 68.806 165.446 Find 42 18.625 74.490 WriteX 207 16.424 82.116 ReadX 162 3.942 92.720 Flush 24 78.121 267.437 Throughput 0.096017 MB/sec 1 clients 1 procs max_latency=39496.668 ms stopping dbench on /mnt/lustre at Tue Jun 2 22:21:34 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-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/usr/share/dbench/client.txt' -> 'client.txt' UUID 1K-blocks Used Available Use% Mounted on running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Jun 2 22:21:43 EDT 2026 waiting for dbench pid 67094 lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2104 1269200 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10116 3579668 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11952 3593236 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22068 7172904 1% /mnt/lustre 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 9 0.00 MB/sec warmup 1 sec latency 0.921 ms 1 71 1.56 MB/sec warmup 2 sec latency 98.243 ms 1 111 1.74 MB/sec warmup 3 sec latency 240.611 ms 1 138 1.50 MB/sec warmup 4 sec latency 214.829 ms 1 172 1.41 MB/sec warmup 5 sec latency 166.943 ms 1 184 1.23 MB/sec warmup 6 sec latency 491.545 ms 1 197 1.12 MB/sec warmup 7 sec latency 623.213 ms 1 229 1.10 MB/sec warmup 8 sec latency 147.223 ms 1 271 1.13 MB/sec warmup 9 sec latency 107.471 ms test_26 fail mds1 3 times 1 313 1.15 MB/sec warmup 10 sec latency 146.042 ms 1 341 1.11 MB/sec warmup 11 sec latency 120.839 ms Failing mds1 on oleg454-server 1 381 1.13 MB/sec warmup 12 sec latency 140.687 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 418 1.13 MB/sec warmup 13 sec latency 114.747 ms 1 446 1.12 MB/sec warmup 14 sec latency 144.931 ms 1 453 1.06 MB/sec warmup 15 sec latency 913.524 ms 1 453 0.99 MB/sec warmup 16 sec latency 1916.048 ms 22:22:00 (1780453320) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 453 0.93 MB/sec warmup 17 sec latency 2916.384 ms 1 453 0.88 MB/sec warmup 18 sec latency 3916.630 ms 1 453 0.84 MB/sec warmup 19 sec latency 4917.476 ms 1 453 0.00 MB/sec execute 1 sec latency 6920.459 ms 1 453 0.00 MB/sec execute 2 sec latency 7921.583 ms 1 453 0.00 MB/sec execute 3 sec latency 8923.506 ms 1 453 0.00 MB/sec execute 4 sec latency 9926.698 ms 1 453 0.00 MB/sec execute 5 sec latency 10927.762 ms 1 453 0.00 MB/sec execute 6 sec latency 11928.088 ms 1 453 0.00 MB/sec execute 7 sec latency 12928.284 ms Failover mds1 to oleg454-server mount facets: mds1 1 453 0.00 MB/sec execute 8 sec latency 13933.677 ms 1 453 0.00 MB/sec execute 9 sec latency 14933.976 ms 1 453 0.00 MB/sec execute 10 sec latency 15934.678 ms 1 453 0.00 MB/sec execute 11 sec latency 16934.952 ms 1 453 0.00 MB/sec execute 12 sec latency 17935.392 ms 1 453 0.00 MB/sec execute 13 sec latency 18936.879 ms 1 453 0.00 MB/sec execute 14 sec latency 19937.107 ms 1 453 0.00 MB/sec execute 15 sec latency 20937.575 ms 1 453 0.00 MB/sec execute 16 sec latency 21941.843 ms 1 453 0.00 MB/sec execute 17 sec latency 22942.066 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 453 0.00 MB/sec execute 18 sec latency 23943.675 ms 1 453 0.00 MB/sec execute 19 sec latency 24945.120 ms 1 453 0.00 MB/sec execute 20 sec latency 25945.413 ms 1 453 0.00 MB/sec execute 21 sec latency 26949.134 ms 1 453 0.00 MB/sec execute 22 sec latency 27949.362 ms 1 453 0.00 MB/sec execute 23 sec latency 28949.646 ms 1 453 0.00 MB/sec execute 24 sec latency 29949.843 ms 1 453 0.00 MB/sec execute 25 sec latency 30950.166 ms 1 453 0.00 MB/sec execute 26 sec latency 31950.474 ms 1 453 0.00 MB/sec execute 27 sec latency 32951.404 ms 1 453 0.00 MB/sec execute 28 sec latency 33952.294 ms 1 453 0.00 MB/sec execute 29 sec latency 34952.525 ms 1 453 0.00 MB/sec execute 30 sec latency 35952.763 ms 1 453 0.00 MB/sec execute 31 sec latency 36954.450 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 453 0.00 MB/sec execute 32 sec latency 37954.610 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 453 0.00 MB/sec execute 33 sec latency 38956.166 ms Started lustre-MDT0000 22:22:37 (1780453357) targets are mounted 22:22:37 (1780453357) facet_failover done 1 453 0.00 MB/sec execute 34 sec latency 39957.027 ms 1 469 0.01 MB/sec execute 35 sec latency 40503.815 ms 1 501 0.04 MB/sec execute 36 sec latency 151.798 ms 1 522 0.06 MB/sec execute 37 sec latency 170.758 ms 1 601 0.13 MB/sec execute 38 sec latency 162.931 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 649 0.13 MB/sec execute 39 sec latency 123.361 ms 1 674 0.13 MB/sec execute 40 sec latency 148.180 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 697 0.13 MB/sec execute 41 sec latency 158.890 ms 1 718 0.13 MB/sec execute 42 sec latency 200.562 ms 1 740 0.13 MB/sec execute 43 sec latency 150.925 ms 1 781 0.12 MB/sec execute 44 sec latency 135.628 ms 1 808 0.12 MB/sec execute 45 sec latency 163.524 ms 1 863 0.12 MB/sec execute 46 sec latency 112.407 ms 1 884 0.12 MB/sec execute 47 sec latency 439.135 ms 1 898 0.12 MB/sec execute 48 sec latency 883.301 ms 1 927 0.12 MB/sec execute 49 sec latency 95.498 ms 1 969 0.12 MB/sec execute 50 sec latency 98.704 ms 1 1025 0.14 MB/sec execute 51 sec latency 93.001 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1074 0.13 MB/sec execute 52 sec latency 100.773 ms 1 1114 0.13 MB/sec execute 53 sec latency 100.301 ms 1 1139 0.13 MB/sec execute 54 sec latency 146.807 ms 1 1190 0.13 MB/sec execute 55 sec latency 113.322 ms 1 1231 0.13 MB/sec execute 56 sec latency 87.384 ms 1 1265 0.13 MB/sec execute 57 sec latency 169.809 ms 1 1396 0.17 MB/sec execute 58 sec latency 82.907 ms 1 1431 0.17 MB/sec execute 59 sec latency 87.407 ms 1 1474 0.17 MB/sec execute 60 sec latency 283.608 ms 1 1526 0.17 MB/sec execute 61 sec latency 92.311 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Jun 2 22:23:05 EDT 2026 with return code 0 67094 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67094 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished