== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:55:35 (1785455735) Starting client oleg619-client.virtnet: -o user_xattr,flock 192.168.206.119@tcp:/lustre /mnt/lustre Started clients oleg619-client.virtnet: 192.168.206.119@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 65646 Started dbench loop with 65647 striped dir -i0 -c2 -H all_char /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 1936 1269368 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3580624 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7186100 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 Thu Jul 30 19:55:40 EDT 2026 waiting for dbench pid 65714 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 1 of 1 processes prepared for launch 0 sec releasing clients 1 23 0.58 MB/sec warmup 1 sec latency 17.558 ms 1 81 1.79 MB/sec warmup 2 sec latency 166.002 ms 1 127 1.89 MB/sec warmup 3 sec latency 170.112 ms 1 165 1.69 MB/sec warmup 4 sec latency 125.197 ms 1 186 1.48 MB/sec warmup 5 sec latency 492.331 ms 1 223 1.43 MB/sec warmup 6 sec latency 148.171 ms 1 264 1.41 MB/sec warmup 7 sec latency 139.845 ms 1 303 1.39 MB/sec warmup 8 sec latency 137.373 ms test_26 fail mds1 1 times 1 338 1.36 MB/sec warmup 9 sec latency 137.618 ms 1 373 1.33 MB/sec warmup 10 sec latency 153.853 ms Failing mds1 on oleg619-server 1 414 1.32 MB/sec warmup 11 sec latency 117.436 ms Stopping /mnt/lustre-mds1 (opts:) on oleg619-server 1 460 1.34 MB/sec warmup 12 sec latency 137.311 ms 1 460 1.24 MB/sec warmup 13 sec latency 1054.839 ms 1 460 1.15 MB/sec warmup 14 sec latency 2055.056 ms 19:55:55 (1785455755) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server 1 460 1.07 MB/sec warmup 15 sec latency 3055.364 ms 1 460 1.01 MB/sec warmup 16 sec latency 4055.618 ms 1 460 0.95 MB/sec warmup 17 sec latency 5055.932 ms 1 460 0.90 MB/sec warmup 18 sec latency 6056.689 ms 1 460 0.85 MB/sec warmup 19 sec latency 7057.557 ms 1 460 0.00 MB/sec execute 1 sec latency 9059.639 ms 1 460 0.00 MB/sec execute 2 sec latency 10059.894 ms 1 460 0.00 MB/sec execute 3 sec latency 11060.859 ms 1 460 0.00 MB/sec execute 4 sec latency 12061.591 ms Failover mds1 to oleg619-server mount facets: mds1 1 460 0.00 MB/sec execute 5 sec latency 13062.612 ms 1 460 0.00 MB/sec execute 6 sec latency 14062.871 ms 1 460 0.00 MB/sec execute 7 sec latency 15062.980 ms 1 460 0.00 MB/sec execute 8 sec latency 16063.111 ms 1 460 0.00 MB/sec execute 9 sec latency 17064.460 ms 1 460 0.00 MB/sec execute 10 sec latency 18064.710 ms 1 460 0.00 MB/sec execute 11 sec latency 19064.958 ms 1 460 0.00 MB/sec execute 12 sec latency 20065.946 ms 1 460 0.00 MB/sec execute 13 sec latency 21066.715 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 14 sec latency 22066.982 ms 1 460 0.00 MB/sec execute 15 sec latency 23067.412 ms 1 460 0.00 MB/sec execute 16 sec latency 24069.636 ms 1 460 0.00 MB/sec execute 17 sec latency 25070.381 ms 1 460 0.00 MB/sec execute 18 sec latency 26072.563 ms 1 460 0.00 MB/sec execute 19 sec latency 27073.055 ms 1 460 0.00 MB/sec execute 20 sec latency 28073.255 ms 1 460 0.00 MB/sec execute 21 sec latency 29073.457 ms 1 460 0.00 MB/sec execute 22 sec latency 30073.638 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 23 sec latency 31075.446 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 24 sec latency 32075.624 ms Started lustre-MDT0000 19:56:25 (1785455785) targets are mounted 19:56:25 (1785455785) facet_failover done 1 460 0.00 MB/sec execute 25 sec latency 33075.826 ms 1 460 0.00 MB/sec execute 26 sec latency 34076.937 ms 1 493 0.04 MB/sec execute 27 sec latency 34170.424 ms 1 542 0.10 MB/sec execute 28 sec latency 118.531 ms 1 587 0.14 MB/sec execute 29 sec latency 594.698 ms 1 651 0.16 MB/sec execute 30 sec latency 93.260 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 695 0.16 MB/sec execute 31 sec latency 106.152 ms 1 735 0.16 MB/sec execute 32 sec latency 92.971 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 778 0.16 MB/sec execute 33 sec latency 108.916 ms 1 816 0.16 MB/sec execute 34 sec latency 85.378 ms 1 873 0.16 MB/sec execute 35 sec latency 137.639 ms 1 905 0.15 MB/sec execute 36 sec latency 100.213 ms 1 959 0.15 MB/sec execute 37 sec latency 65.881 ms 1 1009 0.16 MB/sec execute 38 sec latency 98.031 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1964 1269340 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35768 3567508 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 18216 3586436 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53984 7153944 1% /mnt/lustre 1 1077 0.17 MB/sec execute 39 sec latency 62.948 ms 1 1126 0.17 MB/sec execute 40 sec latency 112.446 ms 1 1170 0.17 MB/sec execute 41 sec latency 98.810 ms 1 1173 0.16 MB/sec execute 42 sec latency 958.424 ms 1 1219 0.16 MB/sec execute 43 sec latency 109.383 ms 1 1252 0.16 MB/sec execute 44 sec latency 108.727 ms 1 1390 0.22 MB/sec execute 45 sec latency 78.664 ms 1 1440 0.21 MB/sec execute 46 sec latency 82.948 ms 1 1503 0.21 MB/sec execute 47 sec latency 87.027 ms test_26 fail mds2 2 times 1 1560 0.21 MB/sec execute 48 sec latency 90.078 ms 1 1592 0.20 MB/sec execute 49 sec latency 79.398 ms Failing mds2 on oleg619-server 1 1625 0.20 MB/sec execute 50 sec latency 128.454 ms Stopping /mnt/lustre-mds2 (opts:) on oleg619-server 1 1660 0.20 MB/sec execute 51 sec latency 156.684 ms 1 1706 0.19 MB/sec execute 52 sec latency 81.043 ms 1 1785 0.19 MB/sec execute 53 sec latency 87.639 ms 19:56:54 (1785455814) shut down facet: mds2 facet_host: oleg619-server facet_failover_host: oleg619-server 1 1851 0.19 MB/sec execute 54 sec latency 94.120 ms 1 1919 0.19 MB/sec execute 55 sec latency 83.720 ms 1 2004 0.18 MB/sec execute 56 sec latency 75.900 ms 1 2105 0.18 MB/sec execute 57 sec latency 68.675 ms 1 2162 0.18 MB/sec execute 58 sec latency 95.455 ms 1 2238 0.18 MB/sec execute 59 sec latency 84.481 ms 1 2259 0.18 MB/sec execute 60 sec latency 790.079 ms 1 2259 0.17 MB/sec execute 61 sec latency 1790.310 ms 1 2259 0.17 MB/sec execute 62 sec latency 2790.552 ms 1 2259 0.17 MB/sec execute 63 sec latency 3792.016 ms Failover mds2 to oleg619-server 1 2259 0.17 MB/sec execute 64 sec latency 4799.074 ms mount facets: mds2 1 2259 0.16 MB/sec execute 65 sec latency 5799.483 ms 1 2259 0.16 MB/sec execute 66 sec latency 6799.988 ms 1 2259 0.16 MB/sec execute 67 sec latency 7800.128 ms 1 2259 0.16 MB/sec execute 68 sec latency 8800.427 ms 1 2259 0.15 MB/sec execute 69 sec latency 9800.592 ms 1 2259 0.15 MB/sec execute 70 sec latency 10800.862 ms 1 2259 0.15 MB/sec execute 71 sec latency 11801.098 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 72 sec latency 12802.073 ms 1 2259 0.15 MB/sec execute 73 sec latency 13802.323 ms 1 2259 0.14 MB/sec execute 74 sec latency 14802.539 ms 1 2259 0.14 MB/sec execute 75 sec latency 15802.741 ms 1 2259 0.14 MB/sec execute 76 sec latency 16803.177 ms 1 2259 0.14 MB/sec execute 77 sec latency 17803.372 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 78 sec latency 18805.779 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 Started lustre-MDT0001 1 2259 0.13 MB/sec execute 79 sec latency 19807.514 ms 19:57:20 (1785455840) targets are mounted 19:57:20 (1785455840) facet_failover done 1 2264 0.13 MB/sec execute 80 sec latency 20753.513 ms 1 2347 0.14 MB/sec execute 81 sec latency 105.806 ms 1 2383 0.14 MB/sec execute 82 sec latency 79.484 ms 1 2429 0.14 MB/sec execute 83 sec latency 64.182 ms 1 2483 0.15 MB/sec execute 84 sec latency 83.177 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2566 0.15 MB/sec execute 85 sec latency 107.590 ms 1 2604 0.15 MB/sec execute 86 sec latency 97.386 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2756 0.18 MB/sec execute 87 sec latency 122.028 ms 1 2880 0.18 MB/sec execute 88 sec latency 95.675 ms 1 2935 0.19 MB/sec execute 89 sec latency 103.235 ms 1 3000 0.19 MB/sec execute 90 sec latency 107.783 ms 1 3176 0.20 MB/sec execute 91 sec latency 114.974 ms 1 3277 0.21 MB/sec execute 92 sec latency 84.441 ms 1 3365 0.21 MB/sec execute 93 sec latency 55.423 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2320 1268984 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 47552 3556596 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 21664 3584444 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69216 7141040 1% /mnt/lustre 1 3509 0.24 MB/sec execute 94 sec latency 115.125 ms 1 3571 0.23 MB/sec execute 95 sec latency 68.375 ms 1 3633 0.23 MB/sec execute 96 sec latency 80.868 ms 1 3695 0.23 MB/sec execute 97 sec latency 81.160 ms 1 3760 0.24 MB/sec execute 98 sec latency 117.097 ms 1 3801 0.24 MB/sec execute 99 sec latency 120.711 ms 1 cleanup 100 sec 1 cleanup 101 sec test_26 fail mds1 3 times 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 518 85.443 20753.495 Close 423 91.301 34170.392 Rename 26 72.919 114.776 Unlink 72 23.247 57.321 Qpathinfo 490 14.926 105.036 Qfileinfo 118 2.368 11.874 Qfsinfo 94 2.617 18.502 Sfileinfo 50 49.680 94.764 Find 193 9.955 69.576 WriteX 393 12.054 77.350 ReadX 953 1.124 74.129 LockX 2 10.472 12.319 UnlockX 2 11.576 16.970 Flush 43 47.419 107.768 Throughput 0.238065 MB/sec 1 clients 1 procs max_latency=34170.424 ms stopping dbench on /mnt/lustre at Thu Jul 30 19:57:44 EDT 2026 with return code 0 Failing mds1 on oleg619-server clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre Stopping /mnt/lustre-mds1 (opts:) on oleg619-server removed 'client.txt' /mnt/lustre dbench successfully finished 19:57:47 (1785455867) shut down facet: mds1 facet_host: oleg619-server facet_failover_host: oleg619-server Failover mds1 to oleg619-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 Started lustre-MDT0000 19:58:24 (1785455904) targets are mounted 19:58:24 (1785455904) facet_failover done 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Jul 30 19:58:29 EDT 2026 waiting for dbench pid 68491 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 1.05 MB/sec warmup 1 sec latency 58.097 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 90 2.09 MB/sec warmup 2 sec latency 97.623 ms 1 130 1.92 MB/sec warmup 3 sec latency 225.654 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 154 1.63 MB/sec warmup 4 sec latency 204.280 ms 1 181 1.46 MB/sec warmup 5 sec latency 176.415 ms 1 199 1.31 MB/sec warmup 6 sec latency 391.548 ms 1 242 1.30 MB/sec warmup 7 sec latency 155.543 ms 1 293 1.34 MB/sec warmup 8 sec latency 130.780 ms 1 339 1.36 MB/sec warmup 9 sec latency 113.636 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2884 1268420 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2708 1268596 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 12156 3590408 1% /mnt/lustre[OST:0] 1 373 1.33 MB/sec warmup 10 sec latency 125.502 ms lustre-OST0001_UUID 3833116 40896 3561204 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 53052 7151612 1% /mnt/lustre 1 413 1.33 MB/sec warmup 11 sec latency 163.460 ms 1 453 1.32 MB/sec warmup 12 sec latency 110.546 ms 1 496 1.32 MB/sec warmup 13 sec latency 122.972 ms 1 578 1.39 MB/sec warmup 14 sec latency 105.714 ms 1 661 1.41 MB/sec warmup 15 sec latency 73.107 ms 1 710 1.32 MB/sec warmup 16 sec latency 103.331 ms 1 740 1.25 MB/sec warmup 17 sec latency 111.298 ms 1 791 1.19 MB/sec warmup 18 sec latency 86.066 ms test_26 fail mds2 4 times 1 849 1.13 MB/sec warmup 19 sec latency 117.793 ms Failing mds2 on oleg619-server 1 884 0.00 MB/sec execute 1 sec latency 993.158 ms Stopping /mnt/lustre-mds2 (opts:) on oleg619-server 1 903 0.01 MB/sec execute 2 sec latency 1248.485 ms 1 940 0.04 MB/sec execute 3 sec latency 97.773 ms 1 975 0.05 MB/sec execute 4 sec latency 117.336 ms 1 995 0.05 MB/sec execute 5 sec latency 292.240 ms 19:58:54 (1785455934) shut down facet: mds2 facet_host: oleg619-server facet_failover_host: oleg619-server 1 995 0.04 MB/sec execute 6 sec latency 1292.446 ms 1 995 0.03 MB/sec execute 7 sec latency 2292.667 ms 1 995 0.03 MB/sec execute 8 sec latency 3292.939 ms 1 995 0.03 MB/sec execute 9 sec latency 4293.125 ms 1 995 0.02 MB/sec execute 10 sec latency 5293.314 ms 1 995 0.02 MB/sec execute 11 sec latency 6294.813 ms 1 995 0.02 MB/sec execute 12 sec latency 7295.283 ms 1 995 0.02 MB/sec execute 13 sec latency 8295.471 ms 1 995 0.02 MB/sec execute 14 sec latency 9298.572 ms 1 995 0.02 MB/sec execute 15 sec latency 10299.442 ms Failover mds2 to oleg619-server mount facets: mds2 1 995 0.02 MB/sec execute 16 sec latency 11299.654 ms 1 995 0.01 MB/sec execute 17 sec latency 12299.992 ms 1 995 0.01 MB/sec execute 18 sec latency 13301.454 ms 1 995 0.01 MB/sec execute 19 sec latency 14301.727 ms 1 995 0.01 MB/sec execute 20 sec latency 15302.450 ms 1 995 0.01 MB/sec execute 21 sec latency 16302.705 ms 1 995 0.01 MB/sec execute 22 sec latency 17302.896 ms 1 995 0.01 MB/sec execute 23 sec latency 18312.796 ms 1 995 0.01 MB/sec execute 24 sec latency 19314.781 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 25 sec latency 20315.320 ms 1 995 0.01 MB/sec execute 26 sec latency 21315.829 ms 1 995 0.01 MB/sec execute 27 sec latency 22316.060 ms 1 995 0.01 MB/sec execute 28 sec latency 23316.300 ms 1 995 0.01 MB/sec execute 29 sec latency 24316.783 ms 1 995 0.01 MB/sec execute 30 sec latency 25318.207 ms oleg619-server: oleg619-server.virtnet: executing set_default_debug -1 all 1 995 0.01 MB/sec execute 31 sec latency 26322.277 ms pdsh@oleg619-client: oleg619-server: ssh exited with exit code 1 1 995 0.01 MB/sec execute 32 sec latency 27322.545 ms Started lustre-MDT0001 19:59:22 (1785455962) targets are mounted 19:59:22 (1785455962) facet_failover done 1 1002 0.01 MB/sec execute 33 sec latency 28107.363 ms 1 1055 0.04 MB/sec execute 34 sec latency 145.393 ms 1 1107 0.04 MB/sec execute 35 sec latency 85.554 ms 1 1145 0.04 MB/sec execute 36 sec latency 125.731 ms 1 1193 0.04 MB/sec execute 37 sec latency 90.480 ms 1 1243 0.04 MB/sec execute 38 sec latency 75.886 ms 1 1378 0.11 MB/sec execute 39 sec latency 82.308 ms oleg619-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 1428 0.11 MB/sec execute 40 sec latency 100.181 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1467 0.11 MB/sec execute 41 sec latency 173.228 ms 1 1502 0.10 MB/sec execute 42 sec latency 426.379 ms 1 1560 0.10 MB/sec execute 43 sec latency 111.570 ms 1 1619 0.10 MB/sec execute 44 sec latency 105.692 ms 1 1665 0.10 MB/sec execute 45 sec latency 112.196 ms 1 1727 0.10 MB/sec execute 46 sec latency 94.086 ms 1 1781 0.10 MB/sec execute 47 sec latency 159.209 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1837 0.10 MB/sec execute 48 sec latency 90.076 ms 1 1888 0.10 MB/sec execute 49 sec latency 98.159 ms 1 1978 0.10 MB/sec execute 50 sec latency 66.140 ms 1 2024 0.10 MB/sec execute 51 sec latency 89.108 ms 1 2098 0.10 MB/sec execute 52 sec latency 82.597 ms 1 2156 0.09 MB/sec execute 53 sec latency 99.205 ms 1 2206 0.09 MB/sec execute 54 sec latency 146.151 ms 1 2321 0.11 MB/sec execute 55 sec latency 94.069 ms 1 2374 0.11 MB/sec execute 56 sec latency 79.826 ms 1 2428 0.11 MB/sec execute 57 sec latency 74.236 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jul 30 19:59:46 EDT 2026 with return code 0 68491 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68491 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished