== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:05:45 (1780329945) Starting client oleg347-client.virtnet: -o user_xattr,flock 192.168.203.147@tcp:/lustre /mnt/lustre Started clients oleg347-client.virtnet: 192.168.203.147@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 64772 Started dbench loop with 64773 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /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 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1760 1269544 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 5640 3584844 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7190300 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 Mon Jun 1 12:05:50 EDT 2026 waiting for dbench pid 64850 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 26 0.79 MB/sec warmup 1 sec latency 13.686 ms 1 75 1.60 MB/sec warmup 2 sec latency 166.858 ms 1 121 1.83 MB/sec warmup 3 sec latency 156.038 ms 1 155 1.63 MB/sec warmup 4 sec latency 137.723 ms 1 184 1.47 MB/sec warmup 5 sec latency 350.769 ms 1 215 1.39 MB/sec warmup 6 sec latency 467.597 ms 1 259 1.38 MB/sec warmup 7 sec latency 146.811 ms 1 300 1.37 MB/sec warmup 8 sec latency 143.901 ms test_26 fail mds1 1 times 1 341 1.36 MB/sec warmup 9 sec latency 107.480 ms 1 373 1.33 MB/sec warmup 10 sec latency 163.032 ms Failing mds1 on oleg347-server 1 409 1.31 MB/sec warmup 11 sec latency 121.171 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 445 1.30 MB/sec warmup 12 sec latency 130.148 ms 1 477 1.28 MB/sec warmup 13 sec latency 329.157 ms 1 477 1.19 MB/sec warmup 14 sec latency 1329.545 ms 12:06:05 (1780329965) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 477 1.11 MB/sec warmup 15 sec latency 2330.867 ms 1 477 1.04 MB/sec warmup 16 sec latency 3331.077 ms 1 477 0.98 MB/sec warmup 17 sec latency 4332.820 ms 1 477 0.92 MB/sec warmup 18 sec latency 5333.072 ms 1 477 0.88 MB/sec warmup 19 sec latency 6333.412 ms 1 477 0.00 MB/sec execute 1 sec latency 8336.532 ms 1 477 0.00 MB/sec execute 2 sec latency 9336.732 ms 1 477 0.00 MB/sec execute 3 sec latency 10337.900 ms 1 477 0.00 MB/sec execute 4 sec latency 11338.500 ms 1 477 0.00 MB/sec execute 5 sec latency 12338.737 ms Failover mds1 to oleg347-server mount facets: mds1 1 477 0.00 MB/sec execute 6 sec latency 13339.368 ms 1 477 0.00 MB/sec execute 7 sec latency 14340.894 ms 1 477 0.00 MB/sec execute 8 sec latency 15341.152 ms 1 477 0.00 MB/sec execute 9 sec latency 16341.419 ms 1 477 0.00 MB/sec execute 10 sec latency 17341.666 ms 1 477 0.00 MB/sec execute 11 sec latency 18341.875 ms 1 477 0.00 MB/sec execute 12 sec latency 19342.529 ms 1 477 0.00 MB/sec execute 13 sec latency 20342.755 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 477 0.00 MB/sec execute 14 sec latency 21347.116 ms 1 477 0.00 MB/sec execute 15 sec latency 22347.436 ms 1 477 0.00 MB/sec execute 16 sec latency 23348.376 ms 1 477 0.00 MB/sec execute 17 sec latency 24353.842 ms 1 477 0.00 MB/sec execute 18 sec latency 25354.087 ms 1 477 0.00 MB/sec execute 19 sec latency 26357.820 ms 1 477 0.00 MB/sec execute 20 sec latency 27358.443 ms 1 477 0.00 MB/sec execute 21 sec latency 28359.599 ms 1 477 0.00 MB/sec execute 22 sec latency 29361.130 ms 1 477 0.00 MB/sec execute 23 sec latency 30361.517 ms 1 477 0.00 MB/sec execute 24 sec latency 31363.611 ms 1 477 0.00 MB/sec execute 25 sec latency 32365.243 ms 1 477 0.00 MB/sec execute 26 sec latency 33365.526 ms 1 477 0.00 MB/sec execute 27 sec latency 34365.914 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 477 0.00 MB/sec execute 28 sec latency 35371.308 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 477 0.00 MB/sec execute 29 sec latency 36371.683 ms Started lustre-MDT0000 12:06:40 (1780330000) targets are mounted 12:06:40 (1780330000) facet_failover done 1 477 0.00 MB/sec execute 30 sec latency 37372.286 ms 1 477 0.00 MB/sec execute 31 sec latency 38374.940 ms 1 504 0.02 MB/sec execute 32 sec latency 38434.365 ms 1 543 0.07 MB/sec execute 33 sec latency 135.616 ms 1 581 0.09 MB/sec execute 34 sec latency 709.059 ms 1 636 0.12 MB/sec execute 35 sec latency 148.533 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 664 0.12 MB/sec execute 36 sec latency 133.182 ms 1 692 0.12 MB/sec execute 37 sec latency 154.720 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 711 0.12 MB/sec execute 38 sec latency 162.548 ms 1 736 0.12 MB/sec execute 39 sec latency 152.550 ms 1 765 0.12 MB/sec execute 40 sec latency 139.201 ms 1 793 0.12 MB/sec execute 41 sec latency 126.583 ms 1 814 0.11 MB/sec execute 42 sec latency 168.264 ms 1 858 0.11 MB/sec execute 43 sec latency 137.892 ms 1 888 0.11 MB/sec execute 44 sec latency 111.096 ms 1 914 0.11 MB/sec execute 45 sec latency 163.440 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2096 1269208 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1892 1269412 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 12604 3588876 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 38048 3565172 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 50652 7154048 1% /mnt/lustre 1 940 0.11 MB/sec execute 46 sec latency 111.474 ms 1 967 0.11 MB/sec execute 47 sec latency 189.142 ms 1 988 0.11 MB/sec execute 48 sec latency 130.361 ms 1 1040 0.13 MB/sec execute 49 sec latency 158.767 ms 1 1074 0.12 MB/sec execute 50 sec latency 112.075 ms 1 1105 0.12 MB/sec execute 51 sec latency 133.836 ms 1 1138 0.12 MB/sec execute 52 sec latency 99.759 ms 1 1172 0.12 MB/sec execute 53 sec latency 118.869 ms 1 1173 0.12 MB/sec execute 54 sec latency 1014.621 ms 1 1198 0.12 MB/sec execute 55 sec latency 173.949 ms 1 1229 0.11 MB/sec execute 56 sec latency 103.162 ms 1 1259 0.11 MB/sec execute 57 sec latency 166.915 ms 1 1384 0.16 MB/sec execute 58 sec latency 90.019 ms test_26 fail mds2 2 times 1 1418 0.16 MB/sec execute 59 sec latency 100.471 ms 1 1446 0.16 MB/sec execute 60 sec latency 127.927 ms Failing mds2 on oleg347-server 1 1474 0.15 MB/sec execute 61 sec latency 122.025 ms 1 1505 0.15 MB/sec execute 62 sec latency 150.461 ms Stopping /mnt/lustre-mds2 (opts:) on oleg347-server 1 1532 0.15 MB/sec execute 63 sec latency 203.013 ms 1 1565 0.15 MB/sec execute 64 sec latency 142.673 ms 1 1591 0.15 MB/sec execute 65 sec latency 94.922 ms 1 1632 0.14 MB/sec execute 66 sec latency 102.652 ms 1 1660 0.14 MB/sec execute 67 sec latency 155.548 ms 1 1698 0.14 MB/sec execute 68 sec latency 203.877 ms 12:07:19 (1780330039) shut down facet: mds2 facet_host: oleg347-server facet_failover_host: oleg347-server 1 1761 0.14 MB/sec execute 69 sec latency 91.796 ms 1 1808 0.14 MB/sec execute 70 sec latency 144.059 ms 1 1837 0.14 MB/sec execute 71 sec latency 142.861 ms 1 1879 0.13 MB/sec execute 72 sec latency 223.033 ms 1 1948 0.13 MB/sec execute 73 sec latency 120.321 ms 1 1989 0.13 MB/sec execute 74 sec latency 115.665 ms 1 2042 0.13 MB/sec execute 75 sec latency 135.167 ms 1 2108 0.13 MB/sec execute 76 sec latency 87.336 ms 1 2158 0.13 MB/sec execute 77 sec latency 112.833 ms 1 2206 0.13 MB/sec execute 78 sec latency 114.995 ms Failover mds2 to oleg347-server 1 2259 0.13 MB/sec execute 79 sec latency 218.293 ms mount facets: mds2 1 2259 0.13 MB/sec execute 80 sec latency 1218.467 ms 1 2259 0.12 MB/sec execute 81 sec latency 2224.067 ms 1 2259 0.12 MB/sec execute 82 sec latency 3224.384 ms 1 2259 0.12 MB/sec execute 83 sec latency 4224.561 ms 1 2259 0.12 MB/sec execute 84 sec latency 5225.057 ms 1 2259 0.12 MB/sec execute 85 sec latency 6226.619 ms 1 2259 0.12 MB/sec execute 86 sec latency 7227.527 ms 1 2259 0.12 MB/sec execute 87 sec latency 8227.721 ms 1 2259 0.11 MB/sec execute 88 sec latency 9228.100 ms 1 2259 0.11 MB/sec execute 89 sec latency 10228.506 ms 1 2259 0.11 MB/sec execute 90 sec latency 11231.604 ms 1 2259 0.11 MB/sec execute 91 sec latency 12232.269 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 92 sec latency 13236.459 ms 1 2259 0.11 MB/sec execute 93 sec latency 14439.650 ms 1 2259 0.11 MB/sec execute 94 sec latency 15439.972 ms 1 2259 0.11 MB/sec execute 95 sec latency 16440.875 ms 1 2259 0.10 MB/sec execute 96 sec latency 17441.721 ms 1 2259 0.10 MB/sec execute 97 sec latency 18442.033 ms 1 2259 0.10 MB/sec execute 98 sec latency 19442.336 ms 1 2259 0.10 MB/sec execute 99 sec latency 20442.704 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 cleanup 103 sec 1 cleanup 104 sec pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 cleanup 105 sec 1 cleanup 106 sec Started lustre-MDT0001 12:07:57 (1780330077) targets are mounted 12:07:57 (1780330077) facet_failover done 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 0 cleanup 110 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 323 263.506 38434.350 Close 279 16.055 63.625 Rename 11 112.711 203.845 Unlink 30 41.167 75.574 Qpathinfo 295 19.188 121.984 Qfileinfo 72 2.668 14.074 Qfsinfo 33 4.946 27.921 Sfileinfo 34 77.169 168.241 Find 92 14.317 63.816 WriteX 236 16.643 102.883 ReadX 348 4.067 105.501 Flush 30 74.484 148.834 Throughput 0.101674 MB/sec 1 clients 1 procs max_latency=38434.365 ms stopping dbench on /mnt/lustre at Mon Jun 1 12:08:00 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-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 Mon Jun 1 12:08:15 EDT 2026 waiting for dbench pid 66926 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 3 0.00 MB/sec warmup 1 sec latency 649.312 ms 0 3 0.00 MB/sec warmup 2 sec latency 1649.514 ms 0 8 0.00 MB/sec warmup 3 sec latency 227.234 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2328 1268976 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2172 1269132 1% /mnt/lustre[MDT:1] 1 51 0.52 MB/sec warmup 4 sec latency 231.465 ms lustre-OST0000_UUID 3833116 20820 3585852 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26408 3579448 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165300 1% /mnt/lustre 1 81 0.72 MB/sec warmup 5 sec latency 275.133 ms 1 110 0.87 MB/sec warmup 6 sec latency 231.972 ms 1 118 0.77 MB/sec warmup 7 sec latency 516.379 ms 1 137 0.75 MB/sec warmup 8 sec latency 303.398 ms 1 147 0.70 MB/sec warmup 9 sec latency 472.799 ms 1 165 0.68 MB/sec warmup 10 sec latency 281.418 ms 1 184 0.67 MB/sec warmup 11 sec latency 244.519 ms 1 184 0.61 MB/sec warmup 12 sec latency 1170.160 ms 1 197 0.60 MB/sec warmup 13 sec latency 1247.426 ms 1 215 0.60 MB/sec warmup 14 sec latency 399.605 ms 1 239 0.61 MB/sec warmup 15 sec latency 218.496 ms 1 256 0.60 MB/sec warmup 16 sec latency 363.262 ms 1 289 0.63 MB/sec warmup 17 sec latency 154.988 ms 1 315 0.64 MB/sec warmup 18 sec latency 205.876 ms test_26 fail mds1 3 times 1 331 0.63 MB/sec warmup 19 sec latency 299.362 ms 1 358 0.52 MB/sec execute 1 sec latency 452.738 ms 1 377 0.54 MB/sec execute 2 sec latency 285.446 ms Failing mds1 on oleg347-server 1 406 0.69 MB/sec execute 3 sec latency 233.584 ms Stopping /mnt/lustre-mds1 (opts:) on oleg347-server 1 429 0.70 MB/sec execute 4 sec latency 235.867 ms 1 446 0.67 MB/sec execute 5 sec latency 393.584 ms 1 453 0.60 MB/sec execute 6 sec latency 781.467 ms 1 453 0.51 MB/sec execute 7 sec latency 1781.676 ms 1 453 0.45 MB/sec execute 8 sec latency 2786.218 ms 12:08:45 (1780330125) shut down facet: mds1 facet_host: oleg347-server facet_failover_host: oleg347-server 1 453 0.40 MB/sec execute 9 sec latency 3786.499 ms 1 453 0.36 MB/sec execute 10 sec latency 4787.484 ms 1 453 0.33 MB/sec execute 11 sec latency 5791.514 ms 1 453 0.30 MB/sec execute 12 sec latency 6791.696 ms 1 453 0.28 MB/sec execute 13 sec latency 7792.241 ms 1 453 0.26 MB/sec execute 14 sec latency 8793.433 ms 1 453 0.24 MB/sec execute 15 sec latency 9794.007 ms 1 453 0.23 MB/sec execute 16 sec latency 10796.289 ms 1 453 0.21 MB/sec execute 17 sec latency 11797.595 ms 1 453 0.20 MB/sec execute 18 sec latency 12797.792 ms 1 453 0.19 MB/sec execute 19 sec latency 13798.073 ms Failover mds1 to oleg347-server mount facets: mds1 1 453 0.18 MB/sec execute 20 sec latency 14798.443 ms 1 453 0.17 MB/sec execute 21 sec latency 15799.049 ms 1 453 0.16 MB/sec execute 22 sec latency 16802.030 ms 1 453 0.16 MB/sec execute 23 sec latency 17802.309 ms 1 453 0.15 MB/sec execute 24 sec latency 18802.830 ms 1 453 0.15 MB/sec execute 25 sec latency 19803.060 ms 1 453 0.14 MB/sec execute 26 sec latency 20803.276 ms 1 453 0.13 MB/sec execute 27 sec latency 21803.439 ms 1 453 0.13 MB/sec execute 28 sec latency 22803.849 ms 1 453 0.13 MB/sec execute 29 sec latency 23804.131 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 453 0.12 MB/sec execute 30 sec latency 24805.106 ms 1 453 0.12 MB/sec execute 31 sec latency 25805.469 ms 1 453 0.11 MB/sec execute 32 sec latency 26805.667 ms 1 453 0.11 MB/sec execute 33 sec latency 27805.948 ms 1 453 0.11 MB/sec execute 34 sec latency 28806.130 ms 1 453 0.10 MB/sec execute 35 sec latency 29806.359 ms 1 453 0.10 MB/sec execute 36 sec latency 30806.618 ms 1 453 0.10 MB/sec execute 37 sec latency 31806.944 ms 1 453 0.10 MB/sec execute 38 sec latency 32807.345 ms oleg347-server: oleg347-server.virtnet: executing set_default_debug -1 all 1 453 0.09 MB/sec execute 39 sec latency 33807.562 ms pdsh@oleg347-client: oleg347-server: ssh exited with exit code 1 1 453 0.09 MB/sec execute 40 sec latency 34808.878 ms Started lustre-MDT0000 12:09:17 (1780330157) targets are mounted 12:09:17 (1780330157) facet_failover done 1 453 0.09 MB/sec execute 41 sec latency 35809.226 ms 1 501 0.12 MB/sec execute 42 sec latency 35883.122 ms 1 542 0.16 MB/sec execute 43 sec latency 135.450 ms 1 607 0.20 MB/sec execute 44 sec latency 509.580 ms oleg347-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 666 0.20 MB/sec execute 45 sec latency 95.001 ms 1 708 0.19 MB/sec execute 46 sec latency 95.177 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 738 0.19 MB/sec execute 47 sec latency 98.688 ms 1 778 0.19 MB/sec execute 48 sec latency 129.732 ms 1 825 0.19 MB/sec execute 49 sec latency 88.086 ms 1 887 0.19 MB/sec execute 50 sec latency 79.406 ms 1 933 0.19 MB/sec execute 51 sec latency 78.275 ms 1 980 0.18 MB/sec execute 52 sec latency 85.141 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1050 0.20 MB/sec execute 53 sec latency 126.750 ms 1 1126 0.20 MB/sec execute 54 sec latency 67.384 ms 1 1172 0.20 MB/sec execute 55 sec latency 284.839 ms 1 1215 0.19 MB/sec execute 56 sec latency 558.543 ms 1 1259 0.19 MB/sec execute 57 sec latency 143.971 ms 1 1403 0.24 MB/sec execute 58 sec latency 164.981 ms 1 1463 0.23 MB/sec execute 59 sec latency 77.429 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jun 1 12:09:36 EDT 2026 with return code 0 66926 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 66926 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished