== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:14:58 (1786691698) Starting client oleg621-client.virtnet: -o user_xattr,flock 192.168.206.121@tcp:/lustre /mnt/lustre Started clients oleg621-client.virtnet: 192.168.206.121@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 65600 Started dbench loop with 65602 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1752 1269552 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3580680 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7186136 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 03:15:02 EDT 2026 waiting for dbench pid 65671 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 25 0.72 MB/sec warmup 1 sec latency 17.041 ms 1 82 1.83 MB/sec warmup 2 sec latency 114.526 ms 1 121 1.83 MB/sec warmup 3 sec latency 246.084 ms 1 157 1.63 MB/sec warmup 4 sec latency 125.918 ms 1 184 1.48 MB/sec warmup 5 sec latency 367.047 ms 1 210 1.35 MB/sec warmup 6 sec latency 439.808 ms 1 247 1.34 MB/sec warmup 7 sec latency 149.029 ms 1 287 1.34 MB/sec warmup 8 sec latency 118.571 ms test_26 fail mds1 1 times 1 315 1.27 MB/sec warmup 9 sec latency 138.702 ms 1 346 1.24 MB/sec warmup 10 sec latency 164.598 ms Failing mds1 on oleg621-server 1 377 1.21 MB/sec warmup 11 sec latency 179.417 ms Stopping /mnt/lustre-mds1 (opts:) on oleg621-server 1 416 1.22 MB/sec warmup 12 sec latency 125.942 ms 1 454 1.22 MB/sec warmup 13 sec latency 168.991 ms 1 501 1.25 MB/sec warmup 14 sec latency 100.473 ms 1 501 1.16 MB/sec warmup 15 sec latency 1014.967 ms 03:15:18 (1786691718) shut down facet: mds1 facet_host: oleg621-server facet_failover_host: oleg621-server 1 501 1.09 MB/sec warmup 16 sec latency 2015.659 ms 1 501 1.03 MB/sec warmup 17 sec latency 3015.925 ms 1 501 0.97 MB/sec warmup 18 sec latency 4016.174 ms 1 501 0.92 MB/sec warmup 19 sec latency 5018.495 ms 1 501 0.00 MB/sec execute 1 sec latency 7018.876 ms 1 501 0.00 MB/sec execute 2 sec latency 8019.425 ms 1 501 0.00 MB/sec execute 3 sec latency 9021.434 ms 1 501 0.00 MB/sec execute 4 sec latency 10021.639 ms 1 501 0.00 MB/sec execute 5 sec latency 11021.916 ms Failover mds1 to oleg621-server mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 12022.192 ms 1 501 0.00 MB/sec execute 7 sec latency 13023.999 ms 1 501 0.00 MB/sec execute 8 sec latency 14024.918 ms 1 501 0.00 MB/sec execute 9 sec latency 15025.716 ms 1 501 0.00 MB/sec execute 10 sec latency 16026.306 ms 1 501 0.00 MB/sec execute 11 sec latency 17027.063 ms 1 501 0.00 MB/sec execute 12 sec latency 18029.011 ms 1 501 0.00 MB/sec execute 13 sec latency 19029.694 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 14 sec latency 20032.650 ms 1 501 0.00 MB/sec execute 15 sec latency 21032.922 ms 1 501 0.00 MB/sec execute 16 sec latency 22033.176 ms 1 501 0.00 MB/sec execute 17 sec latency 23033.593 ms 1 501 0.00 MB/sec execute 18 sec latency 24033.794 ms 1 501 0.00 MB/sec execute 19 sec latency 25033.981 ms 1 501 0.00 MB/sec execute 20 sec latency 26036.652 ms 1 501 0.00 MB/sec execute 21 sec latency 27036.882 ms 1 501 0.00 MB/sec execute 22 sec latency 28038.983 ms 1 501 0.00 MB/sec execute 23 sec latency 29039.221 ms 1 501 0.00 MB/sec execute 24 sec latency 30039.544 ms oleg621-server: oleg621-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 25 sec latency 31039.760 ms pdsh@oleg621-client: oleg621-server: ssh exited with exit code 1 Started lustre-MDT0000 03:15:49 (1786691749) targets are mounted 03:15:49 (1786691749) facet_failover done 1 501 0.00 MB/sec execute 26 sec latency 32039.963 ms 1 501 0.00 MB/sec execute 27 sec latency 33040.843 ms 1 529 0.03 MB/sec execute 28 sec latency 33378.678 ms 1 585 0.09 MB/sec execute 29 sec latency 522.082 ms 1 642 0.12 MB/sec execute 30 sec latency 109.408 ms 1 686 0.12 MB/sec execute 31 sec latency 93.331 ms oleg621-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.12 MB/sec execute 32 sec latency 103.013 ms 1 749 0.12 MB/sec execute 33 sec latency 121.094 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 786 0.12 MB/sec execute 34 sec latency 137.573 ms 1 820 0.11 MB/sec execute 35 sec latency 113.059 ms 1 874 0.12 MB/sec execute 36 sec latency 103.599 ms 1 910 0.12 MB/sec execute 37 sec latency 120.940 ms 1 937 0.11 MB/sec execute 38 sec latency 163.860 ms 1 985 0.11 MB/sec execute 39 sec latency 109.630 ms 1 1061 0.14 MB/sec execute 40 sec latency 102.093 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11180 3595468 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 44064 3558852 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55244 7154320 1% /mnt/lustre 1 1132 0.13 MB/sec execute 41 sec latency 81.112 ms 1 1172 0.13 MB/sec execute 42 sec latency 103.599 ms 1 1176 0.13 MB/sec execute 43 sec latency 945.189 ms 1 1223 0.13 MB/sec execute 44 sec latency 68.897 ms 1 1259 0.12 MB/sec execute 45 sec latency 106.155 ms 1 1384 0.19 MB/sec execute 46 sec latency 196.002 ms 1 1396 0.18 MB/sec execute 47 sec latency 962.907 ms 1 1422 0.18 MB/sec execute 48 sec latency 111.051 ms 1 1474 0.17 MB/sec execute 49 sec latency 127.096 ms 1 1512 0.17 MB/sec execute 50 sec latency 104.597 ms test_26 fail mds2 2 times 1 1572 0.17 MB/sec execute 51 sec latency 79.614 ms Failing mds2 on oleg621-server 1 1619 0.17 MB/sec execute 52 sec latency 98.293 ms Stopping /mnt/lustre-mds2 (opts:) on oleg621-server 1 1664 0.16 MB/sec execute 53 sec latency 93.682 ms 1 1691 0.16 MB/sec execute 54 sec latency 296.609 ms 1 1691 0.16 MB/sec execute 55 sec latency 1296.854 ms 03:16:18 (1786691778) shut down facet: mds2 facet_host: oleg621-server facet_failover_host: oleg621-server 1 1691 0.16 MB/sec execute 56 sec latency 2297.123 ms 1 1691 0.15 MB/sec execute 57 sec latency 3297.355 ms 1 1691 0.15 MB/sec execute 58 sec latency 4297.530 ms 1 1691 0.15 MB/sec execute 59 sec latency 5297.701 ms 1 1691 0.15 MB/sec execute 60 sec latency 6298.418 ms 1 1691 0.14 MB/sec execute 61 sec latency 7298.946 ms 1 1691 0.14 MB/sec execute 62 sec latency 8299.149 ms 1 1691 0.14 MB/sec execute 63 sec latency 9301.932 ms 1 1691 0.14 MB/sec execute 64 sec latency 10306.364 ms 1 1691 0.13 MB/sec execute 65 sec latency 11306.937 ms Failover mds2 to oleg621-server 1 1691 0.13 MB/sec execute 66 sec latency 12307.080 ms mount facets: mds2 1 1691 0.13 MB/sec execute 67 sec latency 13308.052 ms 1 1691 0.13 MB/sec execute 68 sec latency 14308.441 ms 1 1691 0.13 MB/sec execute 69 sec latency 15310.905 ms 1 1691 0.12 MB/sec execute 70 sec latency 16311.191 ms 1 1691 0.12 MB/sec execute 71 sec latency 17311.375 ms 1 1691 0.12 MB/sec execute 72 sec latency 18311.558 ms 1 1691 0.12 MB/sec execute 73 sec latency 19311.945 ms 1 1691 0.12 MB/sec execute 74 sec latency 20312.176 ms 1 1691 0.12 MB/sec execute 75 sec latency 21313.816 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1691 0.12 MB/sec execute 76 sec latency 22314.316 ms 1 1691 0.11 MB/sec execute 77 sec latency 23314.596 ms 1 1691 0.11 MB/sec execute 78 sec latency 24314.825 ms 1 1691 0.11 MB/sec execute 79 sec latency 25315.284 ms 1 1691 0.11 MB/sec execute 80 sec latency 26315.490 ms 1 1691 0.11 MB/sec execute 81 sec latency 27316.412 ms oleg621-server: oleg621-server.virtnet: executing set_default_debug -1 all 1 1691 0.11 MB/sec execute 82 sec latency 28317.943 ms pdsh@oleg621-client: oleg621-server: ssh exited with exit code 1 1 1691 0.11 MB/sec execute 83 sec latency 29318.276 ms Started lustre-MDT0001 03:16:46 (1786691806) targets are mounted 03:16:46 (1786691806) facet_failover done 1 1691 0.10 MB/sec execute 84 sec latency 30318.754 ms 1 1691 0.10 MB/sec execute 85 sec latency 31319.592 ms 1 1721 0.10 MB/sec execute 86 sec latency 31703.573 ms 1 1779 0.10 MB/sec execute 87 sec latency 84.396 ms 1 1838 0.10 MB/sec execute 88 sec latency 110.766 ms 1 1888 0.10 MB/sec execute 89 sec latency 95.651 ms oleg621-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 1967 0.10 MB/sec execute 90 sec latency 83.426 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2004 0.10 MB/sec execute 91 sec latency 92.548 ms 1 2061 0.10 MB/sec execute 92 sec latency 73.726 ms 1 2131 0.10 MB/sec execute 93 sec latency 90.949 ms 1 2168 0.10 MB/sec execute 94 sec latency 92.732 ms 1 2226 0.10 MB/sec execute 95 sec latency 106.212 ms 1 2335 0.11 MB/sec execute 96 sec latency 57.812 ms 1 2377 0.11 MB/sec execute 97 sec latency 100.514 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2128 1269176 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11696 3595036 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 56784 3548460 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 68480 7143496 1% /mnt/lustre 1 2417 0.11 MB/sec execute 98 sec latency 82.326 ms 1 2467 0.11 MB/sec execute 99 sec latency 102.128 ms 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 351 240.273 33378.660 Close 299 11.347 35.591 Rename 15 83.583 137.543 Unlink 37 25.502 60.275 Qpathinfo 337 14.685 109.379 Qfileinfo 80 2.733 18.694 Qfsinfo 43 3.360 14.579 Sfileinfo 48 58.495 163.838 Find 115 11.880 48.101 WriteX 268 11.644 94.650 ReadX 427 0.413 42.149 Flush 34 57.474 121.074 Throughput 0.112516 MB/sec 1 clients 1 procs max_latency=33378.678 ms stopping dbench on /mnt/lustre at Fri Aug 14 03:17:06 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished test_26 fail mds1 3 times striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench Failing mds1 on oleg621-server Stopping /mnt/lustre-mds1 (opts:) on oleg621-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt 03:17:14 (1786691834) shut down facet: mds1 facet_host: oleg621-server facet_failover_host: oleg621-server Failover mds1 to oleg621-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg621-server: oleg621-server.virtnet: executing set_default_debug -1 all pdsh@oleg621-client: oleg621-server: ssh exited with exit code 1 Started lustre-MDT0000 03:17:49 (1786691869) targets are mounted 03:17:49 (1786691869) facet_failover done '/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 03:17:51 EDT 2026 waiting for dbench pid 68402 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 10 0.00 MB/sec warmup 1 sec latency 65.680 ms 1 63 1.34 MB/sec warmup 2 sec latency 177.142 ms 1 116 1.75 MB/sec warmup 3 sec latency 150.050 ms 1 147 1.57 MB/sec warmup 4 sec latency 190.426 ms oleg621-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 181 1.46 MB/sec warmup 5 sec latency 142.500 ms 1 197 1.31 MB/sec warmup 6 sec latency 504.585 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 237 1.30 MB/sec warmup 7 sec latency 141.312 ms 1 276 1.29 MB/sec warmup 8 sec latency 99.940 ms 1 313 1.27 MB/sec warmup 9 sec latency 125.081 ms 1 349 1.25 MB/sec warmup 10 sec latency 129.951 ms 1 397 1.28 MB/sec warmup 11 sec latency 92.495 ms 1 455 1.32 MB/sec warmup 12 sec latency 166.153 ms 1 496 1.32 MB/sec warmup 13 sec latency 144.395 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2836 1268468 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2612 1268692 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 31536 3564456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 24556 3574012 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 56092 7138468 1% /mnt/lustre 1 523 1.29 MB/sec warmup 14 sec latency 187.513 ms 1 603 1.40 MB/sec warmup 15 sec latency 144.485 ms 1 664 1.32 MB/sec warmup 16 sec latency 111.933 ms 1 697 1.24 MB/sec warmup 17 sec latency 167.445 ms 1 733 1.18 MB/sec warmup 18 sec latency 109.315 ms 1 776 1.12 MB/sec warmup 19 sec latency 99.317 ms 1 876 0.18 MB/sec execute 1 sec latency 121.508 ms 1 884 0.09 MB/sec execute 2 sec latency 863.370 ms test_26 fail mds2 4 times 1 888 0.06 MB/sec execute 3 sec latency 1517.505 ms 1 914 0.07 MB/sec execute 4 sec latency 144.565 ms Failing mds2 on oleg621-server 1 937 0.06 MB/sec execute 5 sec latency 127.585 ms Stopping /mnt/lustre-mds2 (opts:) on oleg621-server 1 970 0.06 MB/sec execute 6 sec latency 144.310 ms 1 990 0.06 MB/sec execute 7 sec latency 131.581 ms 1 995 0.05 MB/sec execute 8 sec latency 890.677 ms 1 995 0.05 MB/sec execute 9 sec latency 1890.866 ms 03:18:21 (1786691901) shut down facet: mds2 facet_host: oleg621-server facet_failover_host: oleg621-server 1 995 0.04 MB/sec execute 10 sec latency 2892.905 ms 1 995 0.04 MB/sec execute 11 sec latency 3897.100 ms 1 995 0.04 MB/sec execute 12 sec latency 4901.755 ms 1 995 0.03 MB/sec execute 13 sec latency 5902.334 ms 1 995 0.03 MB/sec execute 14 sec latency 6902.539 ms 1 995 0.03 MB/sec execute 15 sec latency 7902.791 ms 1 995 0.03 MB/sec execute 16 sec latency 8902.981 ms 1 995 0.03 MB/sec execute 17 sec latency 9903.168 ms 1 995 0.02 MB/sec execute 18 sec latency 10903.494 ms 1 995 0.02 MB/sec execute 19 sec latency 11903.705 ms Failover mds2 to oleg621-server mount facets: mds2 1 995 0.02 MB/sec execute 20 sec latency 12906.010 ms 1 995 0.02 MB/sec execute 21 sec latency 13906.271 ms 1 995 0.02 MB/sec execute 22 sec latency 14908.122 ms 1 995 0.02 MB/sec execute 23 sec latency 15909.577 ms 1 995 0.02 MB/sec execute 24 sec latency 16909.760 ms 1 995 0.02 MB/sec execute 25 sec latency 17910.173 ms 1 995 0.02 MB/sec execute 26 sec latency 18912.004 ms 1 995 0.02 MB/sec execute 27 sec latency 19912.328 ms 1 995 0.02 MB/sec execute 28 sec latency 20912.600 ms 1 995 0.01 MB/sec execute 29 sec latency 21912.841 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 30 sec latency 22915.989 ms 1 995 0.01 MB/sec execute 31 sec latency 23916.182 ms 1 995 0.01 MB/sec execute 32 sec latency 24916.515 ms 1 995 0.01 MB/sec execute 33 sec latency 25916.967 ms 1 995 0.01 MB/sec execute 34 sec latency 26917.154 ms oleg621-server: oleg621-server.virtnet: executing set_default_debug -1 all 1 995 0.01 MB/sec execute 35 sec latency 27917.666 ms pdsh@oleg621-client: oleg621-server: ssh exited with exit code 1 1 995 0.01 MB/sec execute 36 sec latency 28919.022 ms Started lustre-MDT0001 1 995 0.01 MB/sec execute 37 sec latency 29919.488 ms 03:18:49 (1786691929) targets are mounted 03:18:49 (1786691929) facet_failover done 1 1047 0.04 MB/sec execute 38 sec latency 30173.137 ms 1 1086 0.04 MB/sec execute 39 sec latency 78.993 ms 1 1139 0.04 MB/sec execute 40 sec latency 105.520 ms 1 1180 0.04 MB/sec execute 41 sec latency 120.082 ms 1 1223 0.04 MB/sec execute 42 sec latency 114.118 ms 1 1252 0.04 MB/sec execute 43 sec latency 134.469 ms 1 1296 0.05 MB/sec execute 44 sec latency 107.137 ms oleg621-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 1410 0.10 MB/sec execute 45 sec latency 106.063 ms 1 1451 0.10 MB/sec execute 46 sec latency 131.095 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1489 0.10 MB/sec execute 47 sec latency 302.889 ms 1 1515 0.10 MB/sec execute 48 sec latency 144.327 ms 1 1554 0.09 MB/sec execute 49 sec latency 135.017 ms 1 1609 0.09 MB/sec execute 50 sec latency 73.742 ms 1 1656 0.09 MB/sec execute 51 sec latency 115.275 ms 1 1689 0.09 MB/sec execute 52 sec latency 141.167 ms 1 1736 0.09 MB/sec execute 53 sec latency 155.614 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1808 0.09 MB/sec execute 54 sec latency 85.795 ms 1 1861 0.09 MB/sec execute 55 sec latency 90.465 ms 1 1935 0.09 MB/sec execute 56 sec latency 120.057 ms 1 1982 0.09 MB/sec execute 57 sec latency 109.562 ms 1 2018 0.09 MB/sec execute 58 sec latency 99.518 ms 1 2081 0.09 MB/sec execute 59 sec latency 125.180 ms 1 2137 0.09 MB/sec execute 60 sec latency 91.109 ms 1 2166 0.09 MB/sec execute 61 sec latency 128.306 ms 1 2212 0.09 MB/sec execute 62 sec latency 195.581 ms 1 2294 0.10 MB/sec execute 63 sec latency 85.200 ms 1 2354 0.10 MB/sec execute 64 sec latency 85.481 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 03:19:17 EDT 2026 with return code 0 1 2400 0.10 MB/sec execute 65 sec latency 95.853 ms 68402 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68402 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished