== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:41:57 (1786822917) Starting client oleg654-client.virtnet: -o user_xattr,flock 192.168.206.154@tcp:/lustre /mnt/lustre Started clients oleg654-client.virtnet: 192.168.206.154@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 65642 Started dbench loop with 65643 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1980 1269324 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1788 1269516 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584780 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190256 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 Sat Aug 15 15:42:02 EDT 2026 waiting for dbench pid 65720 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 14 0.07 MB/sec warmup 1 sec latency 13.357 ms 1 75 1.60 MB/sec warmup 2 sec latency 125.365 ms 1 121 1.83 MB/sec warmup 3 sec latency 223.457 ms 1 152 1.59 MB/sec warmup 4 sec latency 155.264 ms 1 184 1.45 MB/sec warmup 5 sec latency 123.738 ms 1 207 1.34 MB/sec warmup 6 sec latency 396.078 ms 1 255 1.37 MB/sec warmup 7 sec latency 119.182 ms 1 297 1.36 MB/sec warmup 8 sec latency 127.155 ms test_26 fail mds1 1 times 1 338 1.36 MB/sec warmup 9 sec latency 111.650 ms Failing mds1 on oleg654-server 1 373 1.33 MB/sec warmup 10 sec latency 131.580 ms 1 405 1.30 MB/sec warmup 11 sec latency 248.964 ms Stopping /mnt/lustre-mds1 (opts:) on oleg654-server 1 454 1.32 MB/sec warmup 12 sec latency 101.369 ms 1 461 1.24 MB/sec warmup 13 sec latency 881.892 ms 1 461 1.15 MB/sec warmup 14 sec latency 1882.283 ms 15:42:17 (1786822937) shut down facet: mds1 facet_host: oleg654-server facet_failover_host: oleg654-server 1 461 1.07 MB/sec warmup 15 sec latency 2883.099 ms 1 461 1.01 MB/sec warmup 16 sec latency 3883.982 ms 1 461 0.95 MB/sec warmup 17 sec latency 4884.251 ms 1 461 0.90 MB/sec warmup 18 sec latency 5884.794 ms 1 461 0.85 MB/sec warmup 19 sec latency 6885.662 ms 1 461 0.00 MB/sec execute 1 sec latency 8887.824 ms 1 461 0.00 MB/sec execute 2 sec latency 9888.068 ms 1 461 0.00 MB/sec execute 3 sec latency 10888.288 ms 1 461 0.00 MB/sec execute 4 sec latency 11888.481 ms 1 461 0.00 MB/sec execute 5 sec latency 12889.721 ms Failover mds1 to oleg654-server mount facets: mds1 1 461 0.00 MB/sec execute 6 sec latency 13889.898 ms 1 461 0.00 MB/sec execute 7 sec latency 14891.221 ms 1 461 0.00 MB/sec execute 8 sec latency 15891.480 ms 1 461 0.00 MB/sec execute 9 sec latency 16892.309 ms 1 461 0.00 MB/sec execute 10 sec latency 17893.194 ms 1 461 0.00 MB/sec execute 11 sec latency 18893.990 ms 1 461 0.00 MB/sec execute 12 sec latency 19897.881 ms 1 461 0.00 MB/sec execute 13 sec latency 20898.072 ms 1 461 0.00 MB/sec execute 14 sec latency 21898.287 ms 1 461 0.00 MB/sec execute 15 sec latency 22900.521 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 461 0.00 MB/sec execute 16 sec latency 23900.790 ms 1 461 0.00 MB/sec execute 17 sec latency 24901.034 ms 1 461 0.00 MB/sec execute 18 sec latency 25901.260 ms 1 461 0.00 MB/sec execute 19 sec latency 26901.780 ms 1 461 0.00 MB/sec execute 20 sec latency 27902.079 ms 1 461 0.00 MB/sec execute 21 sec latency 28902.267 ms 1 461 0.00 MB/sec execute 22 sec latency 29905.522 ms 1 461 0.00 MB/sec execute 23 sec latency 30905.770 ms oleg654-server: oleg654-server.virtnet: executing set_default_debug -1 all 1 461 0.00 MB/sec execute 24 sec latency 31906.056 ms pdsh@oleg654-client: oleg654-server: ssh exited with exit code 1 1 461 0.00 MB/sec execute 25 sec latency 32906.252 ms Started lustre-MDT0000 15:42:48 (1786822968) targets are mounted 15:42:48 (1786822968) facet_failover done 1 461 0.00 MB/sec execute 26 sec latency 33906.485 ms 1 480 0.02 MB/sec execute 27 sec latency 34532.467 ms 1 514 0.06 MB/sec execute 28 sec latency 160.640 ms 1 552 0.10 MB/sec execute 29 sec latency 369.864 ms 1 616 0.16 MB/sec execute 30 sec latency 442.881 ms 1 672 0.16 MB/sec execute 31 sec latency 108.274 ms oleg654-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 710 0.16 MB/sec execute 32 sec latency 137.479 ms 1 740 0.16 MB/sec execute 33 sec latency 98.414 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 780 0.15 MB/sec execute 34 sec latency 104.195 ms 1 811 0.15 MB/sec execute 35 sec latency 122.934 ms 1 861 0.15 MB/sec execute 36 sec latency 112.561 ms 1 892 0.15 MB/sec execute 37 sec latency 108.374 ms 1 921 0.15 MB/sec execute 38 sec latency 125.260 ms 1 967 0.14 MB/sec execute 39 sec latency 81.543 ms 1 1000 0.15 MB/sec execute 40 sec latency 107.264 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2168 1269136 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33420 3569932 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20552 3584224 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53972 7154156 1% /mnt/lustre 1 1060 0.16 MB/sec execute 41 sec latency 97.058 ms 1 1116 0.16 MB/sec execute 42 sec latency 77.432 ms 1 1164 0.16 MB/sec execute 43 sec latency 105.398 ms 1 1173 0.16 MB/sec execute 44 sec latency 716.344 ms 1 1223 0.15 MB/sec execute 45 sec latency 245.402 ms 1 1262 0.15 MB/sec execute 46 sec latency 85.094 ms 1 1403 0.21 MB/sec execute 47 sec latency 73.849 ms 1 1465 0.21 MB/sec execute 48 sec latency 66.796 ms test_26 fail mds2 2 times 1 1509 0.20 MB/sec execute 49 sec latency 125.979 ms 1 1562 0.20 MB/sec execute 50 sec latency 93.267 ms Failing mds2 on oleg654-server 1 1605 0.20 MB/sec execute 51 sec latency 74.112 ms Stopping /mnt/lustre-mds2 (opts:) on oleg654-server 1 1647 0.19 MB/sec execute 52 sec latency 101.856 ms 1 1692 0.19 MB/sec execute 53 sec latency 111.693 ms 1 1770 0.19 MB/sec execute 54 sec latency 67.605 ms 15:43:17 (1786822997) shut down facet: mds2 facet_host: oleg654-server facet_failover_host: oleg654-server 1 1836 0.19 MB/sec execute 55 sec latency 83.439 ms 1 1905 0.18 MB/sec execute 56 sec latency 74.802 ms 1 1988 0.18 MB/sec execute 57 sec latency 69.365 ms 1 2060 0.18 MB/sec execute 58 sec latency 73.002 ms 1 2145 0.18 MB/sec execute 59 sec latency 67.390 ms 1 2185 0.18 MB/sec execute 60 sec latency 102.011 ms 1 2259 0.17 MB/sec execute 61 sec latency 133.450 ms 1 2259 0.17 MB/sec execute 62 sec latency 1136.251 ms 1 2259 0.17 MB/sec execute 63 sec latency 2137.041 ms 1 2259 0.17 MB/sec execute 64 sec latency 3137.342 ms Failover mds2 to oleg654-server mount facets: mds2 1 2259 0.16 MB/sec execute 65 sec latency 4137.727 ms 1 2259 0.16 MB/sec execute 66 sec latency 5138.080 ms 1 2259 0.16 MB/sec execute 67 sec latency 6140.031 ms 1 2259 0.16 MB/sec execute 68 sec latency 7151.526 ms 1 2259 0.15 MB/sec execute 69 sec latency 8152.071 ms 1 2259 0.15 MB/sec execute 70 sec latency 9152.271 ms 1 2259 0.15 MB/sec execute 71 sec latency 10152.462 ms 1 2259 0.15 MB/sec execute 72 sec latency 11153.123 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 73 sec latency 12153.270 ms 1 2259 0.14 MB/sec execute 74 sec latency 13153.486 ms 1 2259 0.14 MB/sec execute 75 sec latency 14153.706 ms 1 2259 0.14 MB/sec execute 76 sec latency 15153.888 ms 1 2259 0.14 MB/sec execute 77 sec latency 16154.254 ms 1 2259 0.14 MB/sec execute 78 sec latency 17154.513 ms oleg654-server: oleg654-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 79 sec latency 18156.491 ms pdsh@oleg654-client: oleg654-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 80 sec latency 19159.327 ms Started lustre-MDT0001 15:43:43 (1786823023) targets are mounted 15:43:43 (1786823023) facet_failover done 1 2259 0.13 MB/sec execute 81 sec latency 20160.154 ms 1 2331 0.14 MB/sec execute 82 sec latency 20512.572 ms 1 2366 0.14 MB/sec execute 83 sec latency 111.388 ms 1 2406 0.14 MB/sec execute 84 sec latency 100.664 ms 1 2442 0.14 MB/sec execute 85 sec latency 103.073 ms 1 2479 0.15 MB/sec execute 86 sec latency 144.236 ms oleg654-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2566 0.15 MB/sec execute 87 sec latency 90.627 ms 1 2602 0.15 MB/sec execute 88 sec latency 110.072 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2761 0.18 MB/sec execute 89 sec latency 95.132 ms 1 2884 0.18 MB/sec execute 90 sec latency 84.396 ms 1 2931 0.19 MB/sec execute 91 sec latency 80.745 ms 1 2997 0.19 MB/sec execute 92 sec latency 108.276 ms 1 3177 0.19 MB/sec execute 93 sec latency 86.614 ms 1 3263 0.20 MB/sec execute 94 sec latency 83.022 ms 1 3324 0.20 MB/sec execute 95 sec latency 72.841 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2384 1268920 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45256 3560528 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 23924 3579028 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69180 7139556 1% /mnt/lustre 1 3361 0.20 MB/sec execute 96 sec latency 83.147 ms 1 3491 0.23 MB/sec execute 97 sec latency 125.160 ms 1 3552 0.23 MB/sec execute 98 sec latency 103.205 ms 1 3626 0.23 MB/sec execute 99 sec latency 94.247 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 473 164.089 34532.447 Close 397 11.148 33.498 Rename 24 78.125 110.050 Unlink 58 26.393 54.501 Qpathinfo 458 15.942 103.163 Qfileinfo 116 2.675 50.727 Qfsinfo 90 3.716 34.407 Sfileinfo 50 59.243 137.460 Find 190 11.786 100.633 WriteX 369 12.802 83.007 ReadX 938 1.104 77.415 LockX 2 10.530 13.572 UnlockX 2 11.725 12.577 Flush 43 55.670 144.220 Throughput 0.226299 MB/sec 1 clients 1 procs max_latency=34532.467 ms stopping dbench on /mnt/lustre at Sat Aug 15 15:44:07 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre test_26 fail mds1 3 times removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg654-server striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench Stopping /mnt/lustre-mds1 (opts:) on oleg654-server 15:44:13 (1786823053) shut down facet: mds1 facet_host: oleg654-server facet_failover_host: oleg654-server Failover mds1 to oleg654-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg654-server: oleg654-server.virtnet: executing set_default_debug -1 all pdsh@oleg654-client: oleg654-server: ssh exited with exit code 1 Started lustre-MDT0000 15:44:44 (1786823084) targets are mounted 15:44:44 (1786823084) facet_failover done 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 Sat Aug 15 15:44:49 EDT 2026 waiting for dbench pid 68477 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 31 1.04 MB/sec warmup 1 sec latency 35.223 ms oleg654-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 86 1.96 MB/sec warmup 2 sec latency 167.989 ms 1 127 1.90 MB/sec warmup 3 sec latency 151.574 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 152 1.60 MB/sec warmup 4 sec latency 165.981 ms 1 181 1.46 MB/sec warmup 5 sec latency 173.587 ms 1 197 1.30 MB/sec warmup 6 sec latency 562.171 ms 1 232 1.26 MB/sec warmup 7 sec latency 144.460 ms 1 271 1.27 MB/sec warmup 8 sec latency 129.650 ms 1 313 1.27 MB/sec warmup 9 sec latency 100.700 ms 1 349 1.25 MB/sec warmup 10 sec latency 116.911 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2864 1268440 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2564 1268740 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36852 3569832 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12952 3593624 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49804 7163456 1% /mnt/lustre 1 381 1.23 MB/sec warmup 11 sec latency 137.951 ms 1 421 1.23 MB/sec warmup 12 sec latency 146.722 ms 1 459 1.23 MB/sec warmup 13 sec latency 187.688 ms 1 501 1.24 MB/sec warmup 14 sec latency 210.890 ms 1 541 1.27 MB/sec warmup 15 sec latency 138.399 ms 1 541 1.19 MB/sec warmup 16 sec latency 1062.660 ms 1 606 1.23 MB/sec warmup 17 sec latency 1495.021 ms 1 676 1.17 MB/sec warmup 18 sec latency 83.893 ms 1 718 1.12 MB/sec warmup 19 sec latency 111.216 ms test_26 fail mds2 4 times 1 786 0.10 MB/sec execute 1 sec latency 153.394 ms Failing mds2 on oleg654-server 1 813 0.06 MB/sec execute 2 sec latency 117.045 ms Stopping /mnt/lustre-mds2 (opts:) on oleg654-server 1 869 0.10 MB/sec execute 3 sec latency 130.680 ms 1 884 0.08 MB/sec execute 4 sec latency 476.935 ms 1 904 0.07 MB/sec execute 5 sec latency 734.953 ms 1 970 0.08 MB/sec execute 6 sec latency 68.384 ms 1 995 0.08 MB/sec execute 7 sec latency 499.596 ms 1 995 0.07 MB/sec execute 8 sec latency 1500.126 ms 1 995 0.06 MB/sec execute 9 sec latency 2500.584 ms 1 995 0.06 MB/sec execute 10 sec latency 3501.344 ms 15:45:20 (1786823120) shut down facet: mds2 facet_host: oleg654-server facet_failover_host: oleg654-server 1 995 0.05 MB/sec execute 11 sec latency 4501.504 ms 1 995 0.05 MB/sec execute 12 sec latency 5502.177 ms 1 995 0.04 MB/sec execute 13 sec latency 6502.417 ms 1 995 0.04 MB/sec execute 14 sec latency 7508.147 ms 1 995 0.04 MB/sec execute 15 sec latency 8508.345 ms 1 995 0.03 MB/sec execute 16 sec latency 9508.542 ms 1 995 0.03 MB/sec execute 17 sec latency 10509.589 ms 1 995 0.03 MB/sec execute 18 sec latency 11509.959 ms 1 995 0.03 MB/sec execute 19 sec latency 12510.148 ms 1 995 0.03 MB/sec execute 20 sec latency 13511.305 ms 1 995 0.03 MB/sec execute 21 sec latency 14511.602 ms Failover mds2 to oleg654-server mount facets: mds2 1 995 0.03 MB/sec execute 22 sec latency 15511.993 ms 1 995 0.02 MB/sec execute 23 sec latency 16512.138 ms 1 995 0.02 MB/sec execute 24 sec latency 17512.298 ms 1 995 0.02 MB/sec execute 25 sec latency 18512.477 ms 1 995 0.02 MB/sec execute 26 sec latency 19512.747 ms 1 995 0.02 MB/sec execute 27 sec latency 20513.011 ms 1 995 0.02 MB/sec execute 28 sec latency 21516.181 ms 1 995 0.02 MB/sec execute 29 sec latency 22516.362 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.02 MB/sec execute 30 sec latency 23517.190 ms 1 995 0.02 MB/sec execute 31 sec latency 24518.121 ms 1 995 0.02 MB/sec execute 32 sec latency 25518.415 ms 1 995 0.02 MB/sec execute 33 sec latency 26519.397 ms 1 995 0.02 MB/sec execute 34 sec latency 27519.617 ms oleg654-server: oleg654-server.virtnet: executing set_default_debug -1 all 1 995 0.02 MB/sec execute 35 sec latency 28519.853 ms pdsh@oleg654-client: oleg654-server: ssh exited with exit code 1 1 995 0.02 MB/sec execute 36 sec latency 29520.065 ms Started lustre-MDT0001 15:45:46 (1786823146) targets are mounted 15:45:46 (1786823146) facet_failover done 1 995 0.02 MB/sec execute 37 sec latency 30522.117 ms 1 1009 0.03 MB/sec execute 38 sec latency 31043.691 ms 1 1074 0.04 MB/sec execute 39 sec latency 182.236 ms 1 1131 0.04 MB/sec execute 40 sec latency 121.607 ms 1 1177 0.04 MB/sec execute 41 sec latency 107.783 ms 1 1221 0.04 MB/sec execute 42 sec latency 106.850 ms oleg654-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1252 0.04 MB/sec execute 43 sec latency 134.124 ms 1 1378 0.11 MB/sec execute 44 sec latency 93.433 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1418 0.10 MB/sec execute 45 sec latency 143.268 ms 1 1467 0.10 MB/sec execute 46 sec latency 91.452 ms 1 1508 0.10 MB/sec execute 47 sec latency 296.420 ms 1 1574 0.10 MB/sec execute 48 sec latency 69.133 ms 1 1621 0.10 MB/sec execute 49 sec latency 101.579 ms 1 1667 0.10 MB/sec execute 50 sec latency 127.939 ms 1 1725 0.10 MB/sec execute 51 sec latency 120.807 ms 1 1779 0.09 MB/sec execute 52 sec latency 102.043 ms 1 1842 0.09 MB/sec execute 53 sec latency 95.054 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1888 0.09 MB/sec execute 54 sec latency 94.729 ms 1 1969 0.09 MB/sec execute 55 sec latency 97.377 ms 1 2008 0.09 MB/sec execute 56 sec latency 92.590 ms 1 2074 0.09 MB/sec execute 57 sec latency 99.493 ms 1 2141 0.09 MB/sec execute 58 sec latency 90.461 ms 1 2176 0.09 MB/sec execute 59 sec latency 104.622 ms 1 2237 0.09 MB/sec execute 60 sec latency 110.686 ms 1 2330 0.11 MB/sec execute 61 sec latency 77.578 ms 1 2357 0.11 MB/sec execute 62 sec latency 225.155 ms 1 2396 0.10 MB/sec execute 63 sec latency 104.264 ms 1 2431 0.11 MB/sec execute 64 sec latency 132.009 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 2489 0.11 MB/sec execute 65 sec latency 77.348 ms stopping dbench on /mnt/lustre at Sat Aug 15 15:46:14 EDT 2026 with return code 0 68477 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68477 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished