== replay-dual test 26: dbench and tar with mds failover ========================================================== 09:32:26 (1786714346) Starting client oleg341-client.virtnet: -o user_xattr,flock 192.168.203.141@tcp:/lustre /mnt/lustre Started clients oleg341-client.virtnet: 192.168.203.141@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 65679 Started dbench loop with 65680 striped dir -i0 -c2 -H fnv_1a_64 /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 1940 1269364 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 3589008 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7194464 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 09:32:32 EDT 2026 waiting for dbench pid 65758 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 9 0.00 MB/sec warmup 1 sec latency 17.738 ms 1 53 1.04 MB/sec warmup 2 sec latency 169.316 ms 1 107 1.67 MB/sec warmup 3 sec latency 128.370 ms 1 130 1.43 MB/sec warmup 4 sec latency 182.622 ms 1 155 1.30 MB/sec warmup 5 sec latency 231.394 ms 1 181 1.21 MB/sec warmup 6 sec latency 281.893 ms 1 193 1.09 MB/sec warmup 7 sec latency 562.880 ms 1 224 1.07 MB/sec warmup 8 sec latency 142.532 ms 1 268 1.11 MB/sec warmup 9 sec latency 113.537 ms test_26 fail mds1 1 times 1 295 1.09 MB/sec warmup 10 sec latency 159.838 ms 1 323 1.06 MB/sec warmup 11 sec latency 140.608 ms Failing mds1 on oleg341-server 1 357 1.06 MB/sec warmup 12 sec latency 145.237 ms Stopping /mnt/lustre-mds1 (opts:) on oleg341-server 1 389 1.06 MB/sec warmup 13 sec latency 151.897 ms 1 404 1.02 MB/sec warmup 14 sec latency 554.269 ms 1 404 0.95 MB/sec warmup 15 sec latency 1554.581 ms 1 404 0.89 MB/sec warmup 16 sec latency 2555.297 ms 09:32:48 (1786714368) shut down facet: mds1 facet_host: oleg341-server facet_failover_host: oleg341-server 1 404 0.84 MB/sec warmup 17 sec latency 3555.943 ms 1 404 0.79 MB/sec warmup 18 sec latency 4557.479 ms 1 404 0.75 MB/sec warmup 19 sec latency 5557.749 ms 1 404 0.00 MB/sec execute 1 sec latency 7563.560 ms 1 404 0.00 MB/sec execute 2 sec latency 8563.765 ms 1 404 0.00 MB/sec execute 3 sec latency 9566.079 ms 1 404 0.00 MB/sec execute 4 sec latency 10566.782 ms 1 404 0.00 MB/sec execute 5 sec latency 11567.021 ms 1 404 0.00 MB/sec execute 6 sec latency 12567.210 ms Failover mds1 to oleg341-server mount facets: mds1 1 404 0.00 MB/sec execute 7 sec latency 13568.691 ms 1 404 0.00 MB/sec execute 8 sec latency 14568.891 ms 1 404 0.00 MB/sec execute 9 sec latency 15569.085 ms 1 404 0.00 MB/sec execute 10 sec latency 16569.247 ms 1 404 0.00 MB/sec execute 11 sec latency 17571.147 ms 1 404 0.00 MB/sec execute 12 sec latency 18575.279 ms 1 404 0.00 MB/sec execute 13 sec latency 19575.479 ms 1 404 0.00 MB/sec execute 14 sec latency 20575.737 ms 1 404 0.00 MB/sec execute 15 sec latency 21582.264 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 404 0.00 MB/sec execute 16 sec latency 22582.503 ms 1 404 0.00 MB/sec execute 17 sec latency 23583.132 ms 1 404 0.00 MB/sec execute 18 sec latency 24583.316 ms 1 404 0.00 MB/sec execute 19 sec latency 25583.583 ms 1 404 0.00 MB/sec execute 20 sec latency 26583.772 ms 1 404 0.00 MB/sec execute 21 sec latency 27584.039 ms 1 404 0.00 MB/sec execute 22 sec latency 28584.208 ms 1 404 0.00 MB/sec execute 23 sec latency 29584.514 ms 1 404 0.00 MB/sec execute 24 sec latency 30584.677 ms 1 404 0.00 MB/sec execute 25 sec latency 31584.853 ms 1 404 0.00 MB/sec execute 26 sec latency 32585.049 ms 1 404 0.00 MB/sec execute 27 sec latency 33585.214 ms 1 404 0.00 MB/sec execute 28 sec latency 34585.491 ms 1 404 0.00 MB/sec execute 29 sec latency 35585.873 ms 1 404 0.00 MB/sec execute 30 sec latency 36586.185 ms oleg341-server: oleg341-server.virtnet: executing set_default_debug -1 all 1 404 0.00 MB/sec execute 31 sec latency 37588.552 ms 1 404 0.00 MB/sec execute 32 sec latency 38589.303 ms pdsh@oleg341-client: oleg341-server: ssh exited with exit code 1 1 404 0.00 MB/sec execute 33 sec latency 39589.567 ms Started lustre-MDT0000 09:33:25 (1786714405) targets are mounted 09:33:25 (1786714405) facet_failover done 1 422 0.02 MB/sec execute 34 sec latency 40049.502 ms 1 455 0.04 MB/sec execute 35 sec latency 149.710 ms 1 493 0.08 MB/sec execute 36 sec latency 166.481 ms 1 522 0.10 MB/sec execute 37 sec latency 170.596 ms 1 587 0.15 MB/sec execute 38 sec latency 346.692 ms 1 639 0.17 MB/sec execute 39 sec latency 146.476 ms 1 676 0.17 MB/sec execute 40 sec latency 92.742 ms oleg341-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 710 0.17 MB/sec execute 41 sec latency 101.512 ms 1 738 0.17 MB/sec execute 42 sec latency 157.367 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 767 0.16 MB/sec execute 43 sec latency 133.406 ms 1 786 0.16 MB/sec execute 44 sec latency 292.986 ms 1 815 0.16 MB/sec execute 45 sec latency 116.504 ms 1 864 0.16 MB/sec execute 46 sec latency 108.653 ms 1 892 0.16 MB/sec execute 47 sec latency 139.465 ms 1 921 0.15 MB/sec execute 48 sec latency 159.222 ms 1 957 0.15 MB/sec execute 49 sec latency 146.511 ms 1 983 0.15 MB/sec execute 50 sec latency 125.089 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2052 1269252 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1888 1269416 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 14548 3592064 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40372 3558108 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54920 7150172 1% /mnt/lustre 1 1029 0.17 MB/sec execute 51 sec latency 125.481 ms 1 1074 0.16 MB/sec execute 52 sec latency 107.647 ms 1 1124 0.16 MB/sec execute 53 sec latency 108.757 ms 1 1155 0.16 MB/sec execute 54 sec latency 143.515 ms 1 1172 0.16 MB/sec execute 55 sec latency 696.032 ms 1 1196 0.16 MB/sec execute 56 sec latency 882.982 ms 1 1229 0.15 MB/sec execute 57 sec latency 125.391 ms 1 1262 0.15 MB/sec execute 58 sec latency 156.679 ms 1 1384 0.20 MB/sec execute 59 sec latency 95.454 ms 1 1410 0.19 MB/sec execute 60 sec latency 129.874 ms test_26 fail mds2 2 times 1 1466 0.19 MB/sec execute 61 sec latency 92.112 ms 1 1503 0.19 MB/sec execute 62 sec latency 98.021 ms 1 1538 0.19 MB/sec execute 63 sec latency 99.289 ms Failing mds2 on oleg341-server 1 1574 0.18 MB/sec execute 64 sec latency 96.445 ms Stopping /mnt/lustre-mds2 (opts:) on oleg341-server 1 1613 0.18 MB/sec execute 65 sec latency 120.452 ms 1 1662 0.18 MB/sec execute 66 sec latency 105.340 ms 1 1713 0.18 MB/sec execute 67 sec latency 95.338 ms 1 1774 0.18 MB/sec execute 68 sec latency 107.517 ms 1 1830 0.17 MB/sec execute 69 sec latency 104.772 ms 1 1905 0.17 MB/sec execute 70 sec latency 70.701 ms 1 1980 0.17 MB/sec execute 71 sec latency 87.002 ms 1 2024 0.17 MB/sec execute 72 sec latency 77.797 ms 1 2097 0.17 MB/sec execute 73 sec latency 117.770 ms 09:34:05 (1786714445) shut down facet: mds2 facet_host: oleg341-server facet_failover_host: oleg341-server 1 2160 0.17 MB/sec execute 74 sec latency 95.968 ms 1 2221 0.17 MB/sec execute 75 sec latency 119.693 ms 1 2259 0.16 MB/sec execute 76 sec latency 636.606 ms 1 2259 0.16 MB/sec execute 77 sec latency 1636.803 ms 1 2259 0.16 MB/sec execute 78 sec latency 2637.788 ms 1 2259 0.16 MB/sec execute 79 sec latency 3638.055 ms 1 2259 0.16 MB/sec execute 80 sec latency 4638.345 ms 1 2259 0.15 MB/sec execute 81 sec latency 5640.214 ms 1 2259 0.15 MB/sec execute 82 sec latency 6640.948 ms 1 2259 0.15 MB/sec execute 83 sec latency 7642.005 ms Failover mds2 to oleg341-server mount facets: mds2 1 2259 0.15 MB/sec execute 84 sec latency 8642.265 ms 1 2259 0.15 MB/sec execute 85 sec latency 9642.531 ms 1 2259 0.14 MB/sec execute 86 sec latency 10643.234 ms 1 2259 0.14 MB/sec execute 87 sec latency 11643.520 ms 1 2259 0.14 MB/sec execute 88 sec latency 12644.954 ms 1 2259 0.14 MB/sec execute 89 sec latency 13645.250 ms 1 2259 0.14 MB/sec execute 90 sec latency 14647.025 ms 1 2259 0.14 MB/sec execute 91 sec latency 15650.108 ms 1 2259 0.14 MB/sec execute 92 sec latency 16655.856 ms 1 2259 0.13 MB/sec execute 93 sec latency 17656.280 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 94 sec latency 18656.789 ms 1 2259 0.13 MB/sec execute 95 sec latency 19657.607 ms 1 2259 0.13 MB/sec execute 96 sec latency 20658.363 ms 1 2259 0.13 MB/sec execute 97 sec latency 21658.539 ms 1 2259 0.13 MB/sec execute 98 sec latency 22659.343 ms 1 2259 0.13 MB/sec execute 99 sec latency 23659.598 ms 1 cleanup 100 sec oleg341-server: oleg341-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec 1 cleanup 102 sec pdsh@oleg341-client: oleg341-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 09:34:36 (1786714476) targets are mounted 09:34:36 (1786714476) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 107 sec 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 332 141.532 27386.488 Close 289 151.294 40049.472 Rename 11 125.737 292.967 Unlink 30 31.853 53.358 Qpathinfo 295 15.489 112.542 Qfileinfo 81 2.164 11.947 Qfsinfo 33 5.860 33.200 Sfileinfo 34 70.424 107.821 Find 92 13.759 146.458 WriteX 281 13.433 73.564 ReadX 348 3.016 96.282 Flush 30 55.926 139.449 Throughput 0.125536 MB/sec 1 clients 1 procs max_latency=40049.502 ms stopping dbench on /mnt/lustre at Fri Aug 14 09:34:39 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg341-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 09:34:49 EDT 2026 waiting for dbench pid 67838 dbench version 4.00 - Copyright Andrew Tridgell 1999-2004 Running for 100 seconds with load 'client.txt' and minimum warmup 20 secs 1 of 1 processes prepared for launch 0 sec releasing clients 1 15 0.07 MB/sec warmup 1 sec latency 18.360 ms 1 63 1.34 MB/sec warmup 2 sec latency 126.807 ms 1 111 1.74 MB/sec warmup 3 sec latency 112.915 ms 1 137 1.50 MB/sec warmup 4 sec latency 232.069 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2264 1269040 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2192 1269112 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 10756 3595192 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35848 3569724 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46604 7164916 1% /mnt/lustre 1 161 1.32 MB/sec warmup 5 sec latency 234.385 ms 1 186 1.24 MB/sec warmup 6 sec latency 372.967 ms 1 228 1.25 MB/sec warmup 7 sec latency 169.225 ms 1 271 1.27 MB/sec warmup 8 sec latency 101.081 ms 1 304 1.24 MB/sec warmup 9 sec latency 140.596 ms 1 322 1.17 MB/sec warmup 10 sec latency 297.050 ms 1 322 1.06 MB/sec warmup 11 sec latency 1299.530 ms 1 336 1.01 MB/sec warmup 12 sec latency 1816.767 ms 1 360 0.98 MB/sec warmup 13 sec latency 201.388 ms 1 405 1.02 MB/sec warmup 14 sec latency 110.237 ms test_26 fail mds1 3 times 1 453 1.06 MB/sec warmup 15 sec latency 119.668 ms 1 485 1.06 MB/sec warmup 16 sec latency 132.379 ms Failing mds1 on oleg341-server 1 513 1.04 MB/sec warmup 17 sec latency 172.212 ms 1 599 1.16 MB/sec warmup 18 sec latency 135.233 ms Stopping /mnt/lustre-mds1 (opts:) on oleg341-server 1 655 1.11 MB/sec warmup 19 sec latency 103.157 ms 1 726 0.11 MB/sec execute 1 sec latency 199.649 ms 09:35:11 (1786714511) shut down 1 769 0.09 MB/sec execute 2 sec latency 99.197 ms facet: mds1 facet_host: oleg341-server facet_failover_host: oleg341-server 1 796 0.09 MB/sec execute 3 sec latency 150.630 ms 1 857 0.10 MB/sec execute 4 sec latency 113.036 ms 1 884 0.10 MB/sec execute 5 sec latency 298.452 ms 1 885 0.08 MB/sec execute 6 sec latency 1225.265 ms 1 918 0.08 MB/sec execute 7 sec latency 202.121 ms 1 968 0.08 MB/sec execute 8 sec latency 88.054 ms 1 995 0.08 MB/sec execute 9 sec latency 190.452 ms 1 995 0.07 MB/sec execute 10 sec latency 1190.722 ms 1 995 0.07 MB/sec execute 11 sec latency 2193.321 ms 1 995 0.06 MB/sec execute 12 sec latency 3193.854 ms Failover mds1 to oleg341-server mount facets: mds1 1 995 0.06 MB/sec execute 13 sec latency 4194.164 ms 1 995 0.05 MB/sec execute 14 sec latency 5196.130 ms 1 995 0.05 MB/sec execute 15 sec latency 6196.363 ms 1 995 0.05 MB/sec execute 16 sec latency 7196.538 ms 1 995 0.04 MB/sec execute 17 sec latency 8200.900 ms 1 995 0.04 MB/sec execute 18 sec latency 9202.405 ms 1 995 0.04 MB/sec execute 19 sec latency 10204.593 ms 1 995 0.04 MB/sec execute 20 sec latency 11205.995 ms 1 995 0.03 MB/sec execute 21 sec latency 12207.518 ms 1 995 0.03 MB/sec execute 22 sec latency 13207.773 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 995 0.03 MB/sec execute 23 sec latency 14208.012 ms 1 995 0.03 MB/sec execute 24 sec latency 15208.804 ms 1 995 0.03 MB/sec execute 25 sec latency 16209.938 ms 1 995 0.03 MB/sec execute 26 sec latency 17210.178 ms 1 995 0.03 MB/sec execute 27 sec latency 18211.398 ms 1 995 0.03 MB/sec execute 28 sec latency 19211.823 ms 1 995 0.02 MB/sec execute 29 sec latency 20215.710 ms 1 995 0.02 MB/sec execute 30 sec latency 21215.890 ms 1 995 0.02 MB/sec execute 31 sec latency 22216.445 ms oleg341-server: oleg341-server.virtnet: executing set_default_debug -1 all 1 995 0.02 MB/sec execute 32 sec latency 23218.530 ms pdsh@oleg341-client: oleg341-server: ssh exited with exit code 1 1 995 0.02 MB/sec execute 33 sec latency 24218.730 ms Started lustre-MDT0000 09:35:43 (1786714543) targets are mounted 09:35:43 (1786714543) facet_failover done 1 1011 0.03 MB/sec execute 34 sec latency 24418.900 ms 1 1051 0.05 MB/sec execute 35 sec latency 401.156 ms 1 1086 0.05 MB/sec execute 36 sec latency 132.718 ms 1 1133 0.05 MB/sec execute 37 sec latency 137.006 ms 1 1172 0.05 MB/sec execute 38 sec latency 125.814 ms 1 1206 0.05 MB/sec execute 39 sec latency 110.299 ms 1 1235 0.05 MB/sec execute 40 sec latency 120.248 ms oleg341-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1269 0.05 MB/sec execute 41 sec latency 110.083 ms 1 1391 0.11 MB/sec execute 42 sec latency 124.135 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1418 0.11 MB/sec execute 43 sec latency 187.610 ms 1 1449 0.11 MB/sec execute 44 sec latency 129.705 ms 1 1481 0.11 MB/sec execute 45 sec latency 154.547 ms 1 1508 0.11 MB/sec execute 46 sec latency 122.507 ms 1 1551 0.10 MB/sec execute 47 sec latency 106.639 ms 1 1599 0.10 MB/sec execute 48 sec latency 99.510 ms 1 1646 0.10 MB/sec execute 49 sec latency 86.476 ms 1 1682 0.10 MB/sec execute 50 sec latency 164.392 ms 1 1704 0.10 MB/sec execute 51 sec latency 167.618 ms 1 1762 0.10 MB/sec execute 52 sec latency 98.305 ms 1 1808 0.10 MB/sec execute 53 sec latency 169.807 ms 1 1843 0.10 MB/sec execute 54 sec latency 127.918 ms 1 1886 0.09 MB/sec execute 55 sec latency 101.976 ms 1 1945 0.09 MB/sec execute 56 sec latency 128.293 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1986 0.09 MB/sec execute 57 sec latency 108.143 ms 1 2024 0.09 MB/sec execute 58 sec latency 92.789 ms 1 2097 0.09 MB/sec execute 59 sec latency 91.313 ms 1 2152 0.09 MB/sec execute 60 sec latency 117.193 ms 1 2170 0.09 MB/sec execute 61 sec latency 126.625 ms 1 2210 0.09 MB/sec execute 62 sec latency 209.029 ms 1 2294 0.10 MB/sec execute 63 sec latency 86.276 ms 1 2348 0.10 MB/sec execute 64 sec latency 172.591 ms 1 2377 0.10 MB/sec execute 65 sec latency 123.906 ms 1 2408 0.10 MB/sec execute 66 sec latency 126.121 ms 1 2442 0.10 MB/sec execute 67 sec latency 93.732 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 09:36:17 EDT 2026 with return code 0 1 2485 0.11 MB/sec execute 68 sec latency 122.128 ms 67838 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67838 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished