== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:10:57 (1780341057) Starting client oleg147-client.virtnet: -o user_xattr,flock 192.168.201.147@tcp:/lustre /mnt/lustre Started clients oleg147-client.virtnet: 192.168.201.147@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 64944 Started dbench loop with 64945 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /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 1972 1269332 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 17928 3580768 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7186224 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 15:11:03 EDT 2026 waiting for dbench pid 65019 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 140.492 ms 1 32 0.52 MB/sec warmup 2 sec latency 126.417 ms 1 72 1.05 MB/sec warmup 3 sec latency 135.017 ms 1 113 1.30 MB/sec warmup 4 sec latency 186.539 ms 1 137 1.20 MB/sec warmup 5 sec latency 248.599 ms 1 155 1.09 MB/sec warmup 6 sec latency 256.705 ms 1 155 0.93 MB/sec warmup 7 sec latency 1205.928 ms 1 168 0.85 MB/sec warmup 8 sec latency 1475.721 ms 1 184 0.82 MB/sec warmup 9 sec latency 469.172 ms 1 213 0.83 MB/sec warmup 10 sec latency 694.394 ms test_26 fail mds1 1 times 1 246 0.85 MB/sec warmup 11 sec latency 130.327 ms 1 268 0.83 MB/sec warmup 12 sec latency 260.143 ms 1 289 0.82 MB/sec warmup 13 sec latency 236.706 ms Failing mds1 on oleg147-server 1 315 0.82 MB/sec warmup 14 sec latency 222.193 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 341 0.81 MB/sec warmup 15 sec latency 174.943 ms 1 362 0.80 MB/sec warmup 16 sec latency 261.262 ms 1 380 0.79 MB/sec warmup 17 sec latency 255.740 ms 1 380 0.75 MB/sec warmup 18 sec latency 1275.099 ms 1 380 0.71 MB/sec warmup 19 sec latency 2275.784 ms 15:11:22 (1780341082) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 380 0.00 MB/sec execute 1 sec latency 4276.964 ms 1 380 0.00 MB/sec execute 2 sec latency 5279.411 ms 1 380 0.00 MB/sec execute 3 sec latency 6279.618 ms 1 380 0.00 MB/sec execute 4 sec latency 7279.849 ms 1 380 0.00 MB/sec execute 5 sec latency 8281.682 ms 1 380 0.00 MB/sec execute 6 sec latency 9282.110 ms 1 380 0.00 MB/sec execute 7 sec latency 10283.034 ms 1 380 0.00 MB/sec execute 8 sec latency 11284.866 ms 1 380 0.00 MB/sec execute 9 sec latency 12285.198 ms Failover mds1 to oleg147-server mount facets: mds1 1 380 0.00 MB/sec execute 10 sec latency 13285.396 ms 1 380 0.00 MB/sec execute 11 sec latency 14286.074 ms 1 380 0.00 MB/sec execute 12 sec latency 15286.209 ms 1 380 0.00 MB/sec execute 13 sec latency 16286.687 ms 1 380 0.00 MB/sec execute 14 sec latency 17286.868 ms 1 380 0.00 MB/sec execute 15 sec latency 18287.296 ms 1 380 0.00 MB/sec execute 16 sec latency 19287.642 ms 1 380 0.00 MB/sec execute 17 sec latency 20288.188 ms 1 380 0.00 MB/sec execute 18 sec latency 21288.503 ms 1 380 0.00 MB/sec execute 19 sec latency 22289.272 ms 1 380 0.00 MB/sec execute 20 sec latency 23290.093 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 380 0.00 MB/sec execute 21 sec latency 24290.977 ms 1 380 0.00 MB/sec execute 22 sec latency 25293.745 ms 1 380 0.00 MB/sec execute 23 sec latency 26293.965 ms 1 380 0.00 MB/sec execute 24 sec latency 27294.584 ms 1 380 0.00 MB/sec execute 25 sec latency 28294.780 ms 1 380 0.00 MB/sec execute 26 sec latency 29295.032 ms 1 380 0.00 MB/sec execute 27 sec latency 30295.628 ms 1 380 0.00 MB/sec execute 28 sec latency 31299.901 ms 1 380 0.00 MB/sec execute 29 sec latency 32300.625 ms 1 380 0.00 MB/sec execute 30 sec latency 33302.541 ms 1 380 0.00 MB/sec execute 31 sec latency 34302.966 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 380 0.00 MB/sec execute 32 sec latency 35304.264 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 380 0.00 MB/sec execute 33 sec latency 36305.267 ms Started lustre-MDT0000 15:11:57 (1780341117) targets are mounted 15:11:57 (1780341117) facet_failover done 1 381 0.00 MB/sec execute 34 sec latency 37101.967 ms 1 421 0.04 MB/sec execute 35 sec latency 226.029 ms 1 451 0.06 MB/sec execute 36 sec latency 183.694 ms 1 484 0.09 MB/sec execute 37 sec latency 148.227 ms 1 511 0.11 MB/sec execute 38 sec latency 151.352 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 542 0.14 MB/sec execute 39 sec latency 201.594 ms 1 571 0.14 MB/sec execute 40 sec latency 764.606 ms 1 612 0.18 MB/sec execute 41 sec latency 103.339 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 655 0.18 MB/sec execute 42 sec latency 123.939 ms 1 689 0.18 MB/sec execute 43 sec latency 202.065 ms 1 730 0.18 MB/sec execute 44 sec latency 89.718 ms 1 767 0.17 MB/sec execute 45 sec latency 122.756 ms 1 808 0.17 MB/sec execute 46 sec latency 92.859 ms 1 870 0.17 MB/sec execute 47 sec latency 108.401 ms 1 896 0.17 MB/sec execute 48 sec latency 127.269 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1860 1269444 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11132 3591664 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 36160 3566092 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 47292 7157756 1% /mnt/lustre 1 914 0.17 MB/sec execute 49 sec latency 155.315 ms 1 951 0.16 MB/sec execute 50 sec latency 202.238 ms 1 977 0.16 MB/sec execute 51 sec latency 157.894 ms 1 1000 0.16 MB/sec execute 52 sec latency 130.041 ms 1 1062 0.18 MB/sec execute 53 sec latency 113.722 ms 1 1099 0.17 MB/sec execute 54 sec latency 135.601 ms 1 1148 0.17 MB/sec execute 55 sec latency 157.265 ms 1 1172 0.17 MB/sec execute 56 sec latency 487.045 ms 1 1176 0.17 MB/sec execute 57 sec latency 1201.557 ms 1 1201 0.16 MB/sec execute 58 sec latency 96.722 ms test_26 fail mds2 2 times 1 1244 0.16 MB/sec execute 59 sec latency 90.107 ms 1 1268 0.16 MB/sec execute 60 sec latency 176.202 ms Failing mds2 on oleg147-server 1 1387 0.20 MB/sec execute 61 sec latency 134.429 ms Stopping /mnt/lustre-mds2 (opts:) on oleg147-server 1 1419 0.20 MB/sec execute 62 sec latency 139.184 ms 1 1459 0.20 MB/sec execute 63 sec latency 132.927 ms 1 1546 0.20 MB/sec execute 64 sec latency 63.675 ms 1 1632 0.19 MB/sec execute 65 sec latency 66.217 ms 1 1692 0.19 MB/sec execute 66 sec latency 67.915 ms 1 1773 0.19 MB/sec execute 67 sec latency 96.783 ms 1 1840 0.19 MB/sec execute 68 sec latency 71.317 ms 1 1884 0.19 MB/sec execute 69 sec latency 87.127 ms 1 1961 0.18 MB/sec execute 70 sec latency 68.245 ms 15:12:34 (1780341154) shut down facet: mds2 facet_host: oleg147-server facet_failover_host: oleg147-server 1 2004 0.18 MB/sec execute 71 sec latency 134.632 ms 1 2069 0.18 MB/sec execute 72 sec latency 118.393 ms 1 2154 0.18 MB/sec execute 73 sec latency 129.536 ms 1 2258 0.18 MB/sec execute 74 sec latency 59.764 ms 1 2259 0.18 MB/sec execute 75 sec latency 996.730 ms 1 2259 0.17 MB/sec execute 76 sec latency 1996.940 ms 1 2259 0.17 MB/sec execute 77 sec latency 2997.303 ms 1 2259 0.17 MB/sec execute 78 sec latency 4000.214 ms 1 2259 0.17 MB/sec execute 79 sec latency 5000.455 ms 1 2259 0.17 MB/sec execute 80 sec latency 6002.419 ms 1 2259 0.16 MB/sec execute 81 sec latency 7002.939 ms Failover mds2 to oleg147-server mount facets: mds2 1 2259 0.16 MB/sec execute 82 sec latency 8008.999 ms 1 2259 0.16 MB/sec execute 83 sec latency 9009.152 ms 1 2259 0.16 MB/sec execute 84 sec latency 10009.525 ms 1 2259 0.16 MB/sec execute 85 sec latency 11009.756 ms 1 2259 0.15 MB/sec execute 86 sec latency 12010.272 ms 1 2259 0.15 MB/sec execute 87 sec latency 13011.118 ms 1 2259 0.15 MB/sec execute 88 sec latency 14011.573 ms 1 2259 0.15 MB/sec execute 89 sec latency 15011.814 ms 1 2259 0.15 MB/sec execute 90 sec latency 16012.049 ms 1 2259 0.15 MB/sec execute 91 sec latency 17012.534 ms 1 2259 0.14 MB/sec execute 92 sec latency 18015.777 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 93 sec latency 19016.846 ms 1 2259 0.14 MB/sec execute 94 sec latency 20017.289 ms 1 2259 0.14 MB/sec execute 95 sec latency 21017.905 ms 1 2259 0.14 MB/sec execute 96 sec latency 22038.508 ms 1 2259 0.14 MB/sec execute 97 sec latency 23038.671 ms 1 2259 0.13 MB/sec execute 98 sec latency 24039.545 ms 1 2259 0.13 MB/sec execute 99 sec latency 25039.770 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 cleanup 101 sec Started lustre-MDT0001 15:13:05 (1780341185) targets are mounted 15:13:05 (1780341185) facet_failover done 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 137.114 28114.179 Close 292 138.539 37101.945 Rename 11 92.127 176.177 Unlink 30 30.858 72.684 Qpathinfo 295 14.712 157.239 Qfileinfo 84 2.890 24.419 Qfsinfo 33 4.296 31.565 Sfileinfo 34 64.680 202.206 Find 92 12.501 69.215 WriteX 296 15.323 80.804 ReadX 348 2.773 128.324 Flush 30 54.083 129.905 Throughput 0.133331 MB/sec 1 clients 1 procs max_latency=37101.967 ms stopping dbench on /mnt/lustre at Mon Jun 1 15:13:09 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg147-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 all_char /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 Mon Jun 1 15:13:18 EDT 2026 waiting for dbench pid 67105 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 16 0.13 MB/sec warmup 1 sec latency 23.063 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2392 1268912 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 15940 3582280 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27104 3578580 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43044 7160860 1% /mnt/lustre 1 67 1.47 MB/sec warmup 2 sec latency 143.907 ms 1 113 1.74 MB/sec warmup 3 sec latency 136.129 ms 1 146 1.56 MB/sec warmup 4 sec latency 149.398 ms 1 173 1.41 MB/sec warmup 5 sec latency 170.032 ms 1 202 1.30 MB/sec warmup 6 sec latency 271.338 ms 1 238 1.30 MB/sec warmup 7 sec latency 455.396 ms 1 255 1.20 MB/sec warmup 8 sec latency 742.674 ms 1 287 1.19 MB/sec warmup 9 sec latency 161.766 ms 1 315 1.14 MB/sec warmup 10 sec latency 148.287 ms test_26 fail mds1 3 times 1 341 1.11 MB/sec warmup 11 sec latency 237.467 ms 1 373 1.10 MB/sec warmup 12 sec latency 151.251 ms 1 397 1.08 MB/sec warmup 13 sec latency 183.045 ms Failing mds1 on oleg147-server 1 421 1.06 MB/sec warmup 14 sec latency 189.322 ms Stopping /mnt/lustre-mds1 (opts:) on oleg147-server 1 458 1.06 MB/sec warmup 15 sec latency 180.719 ms 1 493 1.07 MB/sec warmup 16 sec latency 125.725 ms 1 501 1.02 MB/sec warmup 17 sec latency 754.218 ms 1 501 0.97 MB/sec warmup 18 sec latency 1755.210 ms 1 501 0.92 MB/sec warmup 19 sec latency 2755.399 ms 15:13:39 (1780341219) shut down facet: mds1 facet_host: oleg147-server facet_failover_host: oleg147-server 1 501 0.00 MB/sec execute 1 sec latency 4755.819 ms 1 501 0.00 MB/sec execute 2 sec latency 5756.186 ms 1 501 0.00 MB/sec execute 3 sec latency 6756.607 ms 1 501 0.00 MB/sec execute 4 sec latency 7757.655 ms 1 501 0.00 MB/sec execute 5 sec latency 8758.709 ms 1 501 0.00 MB/sec execute 6 sec latency 9759.007 ms 1 501 0.00 MB/sec execute 7 sec latency 10759.530 ms 1 501 0.00 MB/sec execute 8 sec latency 11762.166 ms 1 501 0.00 MB/sec execute 9 sec latency 12763.890 ms 1 501 0.00 MB/sec execute 10 sec latency 13765.097 ms 1 501 0.00 MB/sec execute 11 sec latency 14768.595 ms Failover mds1 to oleg147-server mount facets: mds1 1 501 0.00 MB/sec execute 12 sec latency 15768.904 ms 1 501 0.00 MB/sec execute 13 sec latency 16769.147 ms 1 501 0.00 MB/sec execute 14 sec latency 17769.486 ms 1 501 0.00 MB/sec execute 15 sec latency 18769.777 ms 1 501 0.00 MB/sec execute 16 sec latency 19770.201 ms 1 501 0.00 MB/sec execute 17 sec latency 20772.343 ms 1 501 0.00 MB/sec execute 18 sec latency 21773.068 ms 1 501 0.00 MB/sec execute 19 sec latency 22773.280 ms 1 501 0.00 MB/sec execute 20 sec latency 23773.485 ms 1 501 0.00 MB/sec execute 21 sec latency 24774.625 ms 1 501 0.00 MB/sec execute 22 sec latency 25774.825 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 23 sec latency 26780.558 ms 1 501 0.00 MB/sec execute 24 sec latency 27780.762 ms 1 501 0.00 MB/sec execute 25 sec latency 28781.500 ms 1 501 0.00 MB/sec execute 26 sec latency 29782.873 ms 1 501 0.00 MB/sec execute 27 sec latency 30783.057 ms 1 501 0.00 MB/sec execute 28 sec latency 31785.170 ms 1 501 0.00 MB/sec execute 29 sec latency 32786.617 ms 1 501 0.00 MB/sec execute 30 sec latency 33786.839 ms 1 501 0.00 MB/sec execute 31 sec latency 34787.738 ms 1 501 0.00 MB/sec execute 32 sec latency 35789.402 ms oleg147-server: oleg147-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 33 sec latency 36789.860 ms pdsh@oleg147-client: oleg147-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 34 sec latency 37792.685 ms Started lustre-MDT0000 15:14:13 (1780341253) targets are mounted 15:14:13 (1780341253) facet_failover done 1 501 0.00 MB/sec execute 35 sec latency 38793.503 ms 1 501 0.00 MB/sec execute 36 sec latency 39798.065 ms 1 522 0.02 MB/sec execute 37 sec latency 39991.125 ms 1 552 0.04 MB/sec execute 38 sec latency 268.580 ms 1 601 0.09 MB/sec execute 39 sec latency 718.230 ms oleg147-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 654 0.09 MB/sec execute 40 sec latency 111.123 ms 1 691 0.09 MB/sec execute 41 sec latency 128.062 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 718 0.09 MB/sec execute 42 sec latency 118.720 ms 1 740 0.09 MB/sec execute 43 sec latency 139.360 ms 1 780 0.09 MB/sec execute 44 sec latency 153.296 ms 1 825 0.09 MB/sec execute 45 sec latency 117.845 ms 1 876 0.09 MB/sec execute 46 sec latency 96.358 ms 1 916 0.09 MB/sec execute 47 sec latency 75.719 ms 1 959 0.09 MB/sec execute 48 sec latency 108.791 ms 1 988 0.09 MB/sec execute 49 sec latency 102.316 ms 1 1073 0.11 MB/sec execute 50 sec latency 81.207 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1136 0.11 MB/sec execute 51 sec latency 65.973 ms 1 1172 0.11 MB/sec execute 52 sec latency 383.508 ms 1 1198 0.11 MB/sec execute 53 sec latency 858.135 ms 1 1257 0.10 MB/sec execute 54 sec latency 89.083 ms 1 1384 0.15 MB/sec execute 55 sec latency 119.602 ms 1 1435 0.15 MB/sec execute 56 sec latency 79.658 ms 1 1492 0.15 MB/sec execute 57 sec latency 75.684 ms 1 1551 0.15 MB/sec execute 58 sec latency 88.853 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jun 1 15:14:37 EDT 2026 with return code 0 67105 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67105 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished