== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:26:21 (1789431981) Starting client oleg211-client.virtnet: -o user_xattr,flock 192.168.202.111@tcp:/lustre /mnt/lustre Started clients oleg211-client.virtnet: 192.168.202.111@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 65611 Started dbench loop with 65612 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1976 1269328 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3580680 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7186156 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 Sep 14 20:26:25 EDT 2026 waiting for dbench pid 65680 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 31 1.05 MB/sec warmup 1 sec latency 23.567 ms 1 110 2.62 MB/sec warmup 2 sec latency 127.647 ms 1 147 2.09 MB/sec warmup 3 sec latency 139.891 ms 1 184 1.85 MB/sec warmup 4 sec latency 147.714 ms 1 199 1.57 MB/sec warmup 5 sec latency 483.335 ms 1 234 1.48 MB/sec warmup 6 sec latency 194.295 ms 1 278 1.49 MB/sec warmup 7 sec latency 107.626 ms 1 320 1.45 MB/sec warmup 8 sec latency 145.142 ms test_26 fail mds1 1 times 1 365 1.45 MB/sec warmup 9 sec latency 117.456 ms 1 413 1.46 MB/sec warmup 10 sec latency 113.877 ms Failing mds1 on oleg211-server Stopping /mnt/lustre-mds1 (opts:) on oleg211-server 1 461 1.47 MB/sec warmup 11 sec latency 89.323 ms 1 500 1.45 MB/sec warmup 12 sec latency 390.254 ms 20:26:39 (1789431999) shut down 1 500 1.34 MB/sec warmup 13 sec latency 1390.513 ms facet: mds1 facet_host: oleg211-server facet_failover_host: oleg211-server 1 500 1.25 MB/sec warmup 14 sec latency 2391.225 ms 1 500 1.16 MB/sec warmup 15 sec latency 3393.061 ms 1 500 1.09 MB/sec warmup 16 sec latency 4393.313 ms 1 500 1.03 MB/sec warmup 17 sec latency 5393.580 ms 1 500 0.97 MB/sec warmup 18 sec latency 6394.692 ms 1 500 0.92 MB/sec warmup 19 sec latency 7395.039 ms 1 500 0.00 MB/sec execute 1 sec latency 9396.023 ms 1 500 0.00 MB/sec execute 2 sec latency 10397.440 ms 1 500 0.00 MB/sec execute 3 sec latency 11397.773 ms Failover mds1 to oleg211-server mount facets: mds1 1 500 0.00 MB/sec execute 4 sec latency 12401.253 ms 1 500 0.00 MB/sec execute 5 sec latency 13401.519 ms 1 500 0.00 MB/sec execute 6 sec latency 14402.014 ms 1 500 0.00 MB/sec execute 7 sec latency 15407.387 ms 1 500 0.00 MB/sec execute 8 sec latency 16407.630 ms 1 500 0.00 MB/sec execute 9 sec latency 17414.894 ms 1 500 0.00 MB/sec execute 10 sec latency 18415.833 ms 1 500 0.00 MB/sec execute 11 sec latency 19416.062 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 500 0.00 MB/sec execute 12 sec latency 20416.697 ms 1 500 0.00 MB/sec execute 13 sec latency 21420.105 ms 1 500 0.00 MB/sec execute 14 sec latency 22421.577 ms 1 500 0.00 MB/sec execute 15 sec latency 23421.835 ms 1 500 0.00 MB/sec execute 16 sec latency 24423.452 ms 1 500 0.00 MB/sec execute 17 sec latency 25424.074 ms 1 500 0.00 MB/sec execute 18 sec latency 26424.635 ms 1 500 0.00 MB/sec execute 19 sec latency 27425.013 ms 1 500 0.00 MB/sec execute 20 sec latency 28425.770 ms 1 500 0.00 MB/sec execute 21 sec latency 29427.333 ms 1 500 0.00 MB/sec execute 22 sec latency 30430.652 ms 1 500 0.00 MB/sec execute 23 sec latency 31431.096 ms 1 500 0.00 MB/sec execute 24 sec latency 32433.113 ms 1 500 0.00 MB/sec execute 25 sec latency 33433.579 ms 1 500 0.00 MB/sec execute 26 sec latency 34434.197 ms 1 500 0.00 MB/sec execute 27 sec latency 35434.612 ms oleg211-server: oleg211-server.virtnet: executing set_default_debug -1 all 1 500 0.00 MB/sec execute 28 sec latency 36434.827 ms pdsh@oleg211-client: oleg211-server: ssh exited with exit code 1 1 500 0.00 MB/sec execute 29 sec latency 37435.076 ms Started lustre-MDT0000 20:27:15 (1789432035) targets are mounted 20:27:15 (1789432035) facet_failover done 1 500 0.00 MB/sec execute 30 sec latency 38435.378 ms 1 520 0.02 MB/sec execute 31 sec latency 38814.259 ms 1 552 0.05 MB/sec execute 32 sec latency 564.910 ms 1 607 0.11 MB/sec execute 33 sec latency 686.607 ms 1 659 0.11 MB/sec execute 34 sec latency 140.644 ms 1 695 0.11 MB/sec execute 35 sec latency 118.372 ms 1 721 0.11 MB/sec execute 36 sec latency 146.438 ms oleg211-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 759 0.10 MB/sec execute 37 sec latency 120.237 ms 1 781 0.10 MB/sec execute 38 sec latency 129.364 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 808 0.10 MB/sec execute 39 sec latency 117.959 ms 1 860 0.10 MB/sec execute 40 sec latency 100.662 ms 1 885 0.10 MB/sec execute 41 sec latency 155.437 ms 1 921 0.10 MB/sec execute 42 sec latency 110.172 ms 1 964 0.10 MB/sec execute 43 sec latency 96.786 ms 1 988 0.10 MB/sec execute 44 sec latency 134.443 ms 1 1051 0.12 MB/sec execute 45 sec latency 123.008 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33800 3571072 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 21764 3583152 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55564 7154224 1% /mnt/lustre 1 1105 0.12 MB/sec execute 46 sec latency 84.672 ms 1 1146 0.12 MB/sec execute 47 sec latency 85.302 ms 1 1172 0.12 MB/sec execute 48 sec latency 288.091 ms 1 1175 0.11 MB/sec execute 49 sec latency 1120.359 ms 1 1207 0.11 MB/sec execute 50 sec latency 148.904 ms 1 1242 0.11 MB/sec execute 51 sec latency 110.866 ms 1 1273 0.11 MB/sec execute 52 sec latency 127.862 ms 1 1387 0.16 MB/sec execute 53 sec latency 381.723 ms 1 1421 0.16 MB/sec execute 54 sec latency 99.909 ms 1 1481 0.16 MB/sec execute 55 sec latency 95.437 ms test_26 fail mds2 2 times 1 1518 0.15 MB/sec execute 56 sec latency 111.089 ms 1 1565 0.15 MB/sec execute 57 sec latency 77.372 ms Failing mds2 on oleg211-server 1 1591 0.15 MB/sec execute 58 sec latency 83.643 ms 1 1627 0.15 MB/sec execute 59 sec latency 135.746 ms Stopping /mnt/lustre-mds2 (opts:) on oleg211-server 1 1655 0.15 MB/sec execute 60 sec latency 137.281 ms 1 1689 0.14 MB/sec execute 61 sec latency 126.396 ms 1 1773 0.14 MB/sec execute 62 sec latency 110.981 ms 1 1843 0.14 MB/sec execute 63 sec latency 73.300 ms 1 1879 0.14 MB/sec execute 64 sec latency 116.535 ms 1 1973 0.14 MB/sec execute 65 sec latency 81.385 ms 1 2046 0.14 MB/sec execute 66 sec latency 76.148 ms 1 2097 0.14 MB/sec execute 67 sec latency 121.954 ms 1 2149 0.14 MB/sec execute 68 sec latency 121.155 ms 1 2185 0.13 MB/sec execute 69 sec latency 128.041 ms 1 2228 0.13 MB/sec execute 70 sec latency 174.601 ms 20:27:56 (1789432076) shut down facet: mds2 facet_host: oleg211-server facet_failover_host: oleg211-server 1 2259 0.13 MB/sec execute 71 sec latency 464.683 ms 1 2259 0.13 MB/sec execute 72 sec latency 1465.982 ms 1 2259 0.13 MB/sec execute 73 sec latency 2466.978 ms 1 2259 0.13 MB/sec execute 74 sec latency 3467.342 ms 1 2259 0.12 MB/sec execute 75 sec latency 4468.297 ms 1 2259 0.12 MB/sec execute 76 sec latency 5468.537 ms 1 2259 0.12 MB/sec execute 77 sec latency 6468.764 ms 1 2259 0.12 MB/sec execute 78 sec latency 7471.449 ms 1 2259 0.12 MB/sec execute 79 sec latency 8471.854 ms 1 2259 0.12 MB/sec execute 80 sec latency 9472.300 ms Failover mds2 to oleg211-server mount facets: mds2 1 2259 0.11 MB/sec execute 81 sec latency 10478.053 ms 1 2259 0.11 MB/sec execute 82 sec latency 11478.706 ms 1 2259 0.11 MB/sec execute 83 sec latency 12478.943 ms 1 2259 0.11 MB/sec execute 84 sec latency 13479.258 ms 1 2259 0.11 MB/sec execute 85 sec latency 14482.353 ms 1 2259 0.11 MB/sec execute 86 sec latency 15482.561 ms 1 2259 0.11 MB/sec execute 87 sec latency 16482.763 ms 1 2259 0.11 MB/sec execute 88 sec latency 17482.929 ms 1 2259 0.10 MB/sec execute 89 sec latency 18483.148 ms 1 2259 0.10 MB/sec execute 90 sec latency 19483.521 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.10 MB/sec execute 91 sec latency 20483.750 ms 1 2259 0.10 MB/sec execute 92 sec latency 21484.023 ms 1 2259 0.10 MB/sec execute 93 sec latency 22485.085 ms 1 2259 0.10 MB/sec execute 94 sec latency 23485.276 ms 1 2259 0.10 MB/sec execute 95 sec latency 24486.719 ms oleg211-server: oleg211-server.virtnet: executing set_default_debug -1 all 1 2259 0.10 MB/sec execute 96 sec latency 25487.063 ms 1 2259 0.10 MB/sec execute 97 sec latency 26487.347 ms pdsh@oleg211-client: oleg211-server: ssh exited with exit code 1 1 2259 0.09 MB/sec execute 98 sec latency 27488.148 ms Started lustre-MDT0001 20:28:24 (1789432104) targets are mounted 20:28:24 (1789432104) facet_failover done 1 2271 0.10 MB/sec execute 99 sec latency 28263.476 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 325 142.651 28262.498 Close 281 151.911 38814.231 Rename 11 96.589 134.411 Unlink 31 25.973 72.468 Qpathinfo 307 16.781 145.226 Qfileinfo 71 2.437 41.634 Qfsinfo 37 4.847 26.047 Sfileinfo 36 68.874 155.415 Find 100 13.673 68.558 WriteX 238 13.705 83.345 ReadX 377 3.647 122.970 Flush 30 59.864 141.193 Throughput 0.0968854 MB/sec 1 clients 1 procs max_latency=38814.259 ms stopping dbench on /mnt/lustre at Mon Sep 14 20:28:30 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg211-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Sep 14 20:28:39 EDT 2026 waiting for dbench pid 67818 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 26 0.79 MB/sec warmup 1 sec latency 31.926 ms 1 90 2.10 MB/sec warmup 2 sec latency 100.653 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2336 1268968 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2184 1269120 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34640 3570400 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12564 3593692 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47204 7164092 1% /mnt/lustre 1 129 1.92 MB/sec warmup 3 sec latency 190.537 ms 1 157 1.63 MB/sec warmup 4 sec latency 234.015 ms 1 184 1.48 MB/sec warmup 5 sec latency 214.229 ms 1 206 1.35 MB/sec warmup 6 sec latency 459.045 ms 1 245 1.33 MB/sec warmup 7 sec latency 130.187 ms 1 287 1.34 MB/sec warmup 8 sec latency 126.841 ms 1 319 1.28 MB/sec warmup 9 sec latency 161.043 ms 1 352 1.25 MB/sec warmup 10 sec latency 126.798 ms 1 403 1.30 MB/sec warmup 11 sec latency 116.482 ms 1 461 1.34 MB/sec warmup 12 sec latency 93.378 ms test_26 fail mds1 3 times 1 503 1.34 MB/sec warmup 13 sec latency 103.193 ms Failing mds1 on oleg211-server 1 553 1.36 MB/sec warmup 14 sec latency 135.654 ms Stopping /mnt/lustre-mds1 (opts:) on oleg211-server 1 640 1.40 MB/sec warmup 15 sec latency 127.088 ms 1 674 1.32 MB/sec warmup 16 sec latency 249.840 ms 1 674 1.24 MB/sec warmup 17 sec latency 1250.949 ms 1 674 1.17 MB/sec warmup 18 sec latency 2251.524 ms 1 674 1.11 MB/sec warmup 19 sec latency 3251.736 ms 20:28:58 (1789432138) shut down facet: mds1 facet_host: oleg211-server facet_failover_host: oleg211-server 1 674 0.00 MB/sec execute 1 sec latency 5260.354 ms 1 674 0.00 MB/sec execute 2 sec latency 6262.256 ms 1 674 0.00 MB/sec execute 3 sec latency 7262.844 ms 1 674 0.00 MB/sec execute 4 sec latency 8265.538 ms 1 674 0.00 MB/sec execute 5 sec latency 9265.804 ms 1 674 0.00 MB/sec execute 6 sec latency 10266.845 ms 1 674 0.00 MB/sec execute 7 sec latency 11267.160 ms 1 674 0.00 MB/sec execute 8 sec latency 12267.383 ms 1 674 0.00 MB/sec execute 9 sec latency 13267.870 ms 1 674 0.00 MB/sec execute 10 sec latency 14268.901 ms Failover mds1 to oleg211-server mount facets: mds1 1 674 0.00 MB/sec execute 11 sec latency 15269.191 ms 1 674 0.00 MB/sec execute 12 sec latency 16269.410 ms 1 674 0.00 MB/sec execute 13 sec latency 17269.873 ms 1 674 0.00 MB/sec execute 14 sec latency 18270.626 ms 1 674 0.00 MB/sec execute 15 sec latency 19270.977 ms 1 674 0.00 MB/sec execute 16 sec latency 20275.198 ms 1 674 0.00 MB/sec execute 17 sec latency 21279.598 ms 1 674 0.00 MB/sec execute 18 sec latency 22280.650 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 19 sec latency 23287.053 ms 1 674 0.00 MB/sec execute 20 sec latency 24287.325 ms 1 674 0.00 MB/sec execute 21 sec latency 25292.296 ms 1 674 0.00 MB/sec execute 22 sec latency 26293.523 ms 1 674 0.00 MB/sec execute 23 sec latency 27294.011 ms 1 674 0.00 MB/sec execute 24 sec latency 28295.024 ms 1 674 0.00 MB/sec execute 25 sec latency 29295.436 ms 1 674 0.00 MB/sec execute 26 sec latency 30295.753 ms 1 674 0.00 MB/sec execute 27 sec latency 31296.075 ms 1 674 0.00 MB/sec execute 28 sec latency 32296.331 ms 1 674 0.00 MB/sec execute 29 sec latency 33296.516 ms 1 674 0.00 MB/sec execute 30 sec latency 34296.718 ms 1 674 0.00 MB/sec execute 31 sec latency 35296.941 ms 1 674 0.00 MB/sec execute 32 sec latency 36298.772 ms oleg211-server: oleg211-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 33 sec latency 37299.016 ms pdsh@oleg211-client: oleg211-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 34 sec latency 38299.349 ms Started lustre-MDT0000 20:29:34 (1789432174) targets are mounted 20:29:34 (1789432174) facet_failover done 1 674 0.00 MB/sec execute 35 sec latency 39299.505 ms 1 702 0.00 MB/sec execute 36 sec latency 39672.039 ms 1 720 0.00 MB/sec execute 37 sec latency 475.891 ms 1 731 0.00 MB/sec execute 38 sec latency 1063.632 ms 1 769 0.00 MB/sec execute 39 sec latency 114.603 ms 1 804 0.01 MB/sec execute 40 sec latency 92.819 ms 1 864 0.01 MB/sec execute 41 sec latency 100.266 ms oleg211-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 902 0.01 MB/sec execute 42 sec latency 105.717 ms 1 936 0.01 MB/sec execute 43 sec latency 101.195 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 974 0.01 MB/sec execute 44 sec latency 126.075 ms 1 1020 0.03 MB/sec execute 45 sec latency 105.658 ms 1 1082 0.04 MB/sec execute 46 sec latency 79.364 ms 1 1128 0.04 MB/sec execute 47 sec latency 97.063 ms 1 1174 0.04 MB/sec execute 48 sec latency 109.066 ms 1 1221 0.04 MB/sec execute 49 sec latency 85.619 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1259 0.04 MB/sec execute 50 sec latency 119.439 ms 1 1319 0.06 MB/sec execute 51 sec latency 307.962 ms 1 1394 0.09 MB/sec execute 52 sec latency 669.943 ms 1 1436 0.09 MB/sec execute 53 sec latency 98.090 ms 1 1486 0.09 MB/sec execute 54 sec latency 123.721 ms 1 1523 0.09 MB/sec execute 55 sec latency 105.314 ms 1 1570 0.09 MB/sec execute 56 sec latency 95.092 ms 1 1609 0.09 MB/sec execute 57 sec latency 91.309 ms 1 1660 0.09 MB/sec execute 58 sec latency 72.352 ms 1 1717 0.09 MB/sec execute 59 sec latency 111.495 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 14 20:29:58 EDT 2026 with return code 0 67818 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67818 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished