== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:56:35 (1787849795) Starting client oleg634-client.virtnet: -o user_xattr,flock 192.168.206.134@tcp:/lustre /mnt/lustre Started clients oleg634-client.virtnet: 192.168.206.134@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 45159 Started dbench loop with 45160 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3736576 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 20480 7488512 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 Aug 27 12:56:40 EDT 2026 waiting for dbench pid 45229 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 1.04 MB/sec warmup 1 sec latency 124.085 ms 1 91 2.09 MB/sec warmup 2 sec latency 157.354 ms 1 129 1.91 MB/sec warmup 3 sec latency 207.977 ms 1 168 1.69 MB/sec warmup 4 sec latency 150.796 ms 1 208 1.61 MB/sec warmup 5 sec latency 93.297 ms test_26 fail mds1 1 times 1 255 1.60 MB/sec warmup 6 sec latency 122.747 ms Failing mds1 on oleg634-server 1 287 1.52 MB/sec warmup 7 sec latency 201.873 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 323 1.46 MB/sec warmup 8 sec latency 124.819 ms 1 348 1.39 MB/sec warmup 9 sec latency 282.471 ms 1 348 1.25 MB/sec warmup 10 sec latency 1282.654 ms 12:56:51 (1787849811) shut down 1 348 1.14 MB/sec warmup 11 sec latency 2283.922 ms facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 348 1.04 MB/sec warmup 12 sec latency 3285.318 ms 1 348 0.96 MB/sec warmup 13 sec latency 4285.561 ms 1 348 0.89 MB/sec warmup 14 sec latency 5285.850 ms 1 348 0.83 MB/sec warmup 15 sec latency 6287.215 ms 1 348 0.78 MB/sec warmup 16 sec latency 7287.392 ms 1 348 0.74 MB/sec warmup 17 sec latency 8287.605 ms 1 348 0.69 MB/sec warmup 18 sec latency 9288.862 ms 1 348 0.66 MB/sec warmup 19 sec latency 10289.052 ms 1 348 0.00 MB/sec execute 1 sec latency 12289.475 ms Failover mds1 to oleg634-server mount facets: mds1 1 348 0.00 MB/sec execute 2 sec latency 13289.888 ms 1 348 0.00 MB/sec execute 3 sec latency 14290.063 ms 1 348 0.00 MB/sec execute 4 sec latency 15291.136 ms 1 348 0.00 MB/sec execute 5 sec latency 16291.259 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 348 0.00 MB/sec execute 6 sec latency 17291.553 ms 1 348 0.00 MB/sec execute 7 sec latency 18291.780 ms 1 348 0.00 MB/sec execute 8 sec latency 19291.926 ms 1 348 0.00 MB/sec execute 9 sec latency 20292.459 ms 1 348 0.00 MB/sec execute 10 sec latency 21295.404 ms 1 348 0.00 MB/sec execute 11 sec latency 22295.670 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 348 0.00 MB/sec execute 12 sec latency 23297.238 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 348 0.00 MB/sec execute 13 sec latency 24297.461 ms Started lustre-MDT0000 12:57:14 (1787849834) targets are mounted 12:57:14 (1787849834) facet_failover done 1 348 0.00 MB/sec execute 14 sec latency 25297.765 ms 1 348 0.00 MB/sec execute 15 sec latency 26298.126 ms 1 348 0.00 MB/sec execute 16 sec latency 27298.478 ms 1 348 0.00 MB/sec execute 17 sec latency 28299.175 ms 1 348 0.00 MB/sec execute 18 sec latency 29299.384 ms 1 348 0.00 MB/sec execute 19 sec latency 30299.567 ms 1 348 0.00 MB/sec execute 20 sec latency 31299.784 ms 1 348 0.00 MB/sec execute 21 sec latency 32302.431 ms 1 348 0.00 MB/sec execute 22 sec latency 33303.023 ms 1 348 0.00 MB/sec execute 23 sec latency 34303.741 ms 1 348 0.00 MB/sec execute 24 sec latency 35303.916 ms 1 348 0.00 MB/sec execute 25 sec latency 36304.408 ms 1 348 0.00 MB/sec execute 26 sec latency 37304.646 ms 1 348 0.00 MB/sec execute 27 sec latency 38306.009 ms 1 348 0.00 MB/sec execute 28 sec latency 39306.475 ms 1 348 0.00 MB/sec execute 29 sec latency 40306.953 ms 1 388 0.04 MB/sec execute 30 sec latency 40367.078 ms 1 437 0.09 MB/sec execute 31 sec latency 110.978 ms 1 482 0.13 MB/sec execute 32 sec latency 102.643 ms 1 514 0.16 MB/sec execute 33 sec latency 121.675 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 608 0.25 MB/sec execute 34 sec latency 102.648 ms 1 664 0.25 MB/sec execute 35 sec latency 109.695 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 695 0.24 MB/sec execute 36 sec latency 210.148 ms 1 730 0.24 MB/sec execute 37 sec latency 134.193 ms 1 778 0.23 MB/sec execute 38 sec latency 106.608 ms 1 808 0.23 MB/sec execute 39 sec latency 180.068 ms 1 876 0.23 MB/sec execute 40 sec latency 116.640 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] 1 914 0.23 MB/sec execute 41 sec latency 168.318 ms lustre-OST0000_UUID 3771392 40960 3677184 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3752960 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7430144 1% /mnt/lustre 1 955 0.22 MB/sec execute 42 sec latency 113.511 ms 1 990 0.22 MB/sec execute 43 sec latency 167.975 ms 1 1076 0.24 MB/sec execute 44 sec latency 68.995 ms 1 1134 0.23 MB/sec execute 45 sec latency 90.026 ms 1 1196 0.23 MB/sec execute 46 sec latency 78.343 ms test_26 fail mds1 2 times 1 1244 0.22 MB/sec execute 47 sec latency 73.303 ms Failing mds1 on oleg634-server 1 1399 0.28 MB/sec execute 48 sec latency 76.459 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 1449 0.28 MB/sec execute 49 sec latency 100.103 ms 1 1449 0.27 MB/sec execute 50 sec latency 1101.054 ms 12:57:51 (1787849871) shut down 1 1449 0.26 MB/sec execute 51 sec latency 2101.886 ms facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 1449 0.26 MB/sec execute 52 sec latency 3102.659 ms 1 1449 0.25 MB/sec execute 53 sec latency 4103.398 ms 1 1449 0.25 MB/sec execute 54 sec latency 5103.669 ms 1 1449 0.25 MB/sec execute 55 sec latency 6103.810 ms 1 1449 0.24 MB/sec execute 56 sec latency 7103.991 ms 1 1449 0.24 MB/sec execute 57 sec latency 8104.275 ms 1 1449 0.23 MB/sec execute 58 sec latency 9104.523 ms 1 1449 0.23 MB/sec execute 59 sec latency 10106.118 ms 1 1449 0.22 MB/sec execute 60 sec latency 11106.271 ms 1 1449 0.22 MB/sec execute 61 sec latency 12107.619 ms Failover mds1 to oleg634-server mount facets: mds1 1 1449 0.22 MB/sec execute 62 sec latency 13108.188 ms 1 1449 0.21 MB/sec execute 63 sec latency 14108.362 ms 1 1449 0.21 MB/sec execute 64 sec latency 15113.060 ms 1 1449 0.21 MB/sec execute 65 sec latency 16114.127 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1449 0.20 MB/sec execute 66 sec latency 17114.353 ms 1 1449 0.20 MB/sec execute 67 sec latency 18114.558 ms 1 1449 0.20 MB/sec execute 68 sec latency 19114.696 ms 1 1449 0.20 MB/sec execute 69 sec latency 20114.820 ms 1 1449 0.19 MB/sec execute 70 sec latency 21115.182 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 1449 0.19 MB/sec execute 71 sec latency 22117.975 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 1489 0.19 MB/sec execute 72 sec latency 22141.924 ms Started lustre-MDT0000 12:58:13 (1787849893) targets are mounted 12:58:13 (1787849893) facet_failover done 1 1538 0.19 MB/sec execute 73 sec latency 88.494 ms 1 1597 0.18 MB/sec execute 74 sec latency 56.199 ms 1 1651 0.18 MB/sec execute 75 sec latency 147.375 ms 1 1689 0.18 MB/sec execute 76 sec latency 111.555 ms 1 1755 0.18 MB/sec execute 77 sec latency 96.736 ms 1 1821 0.18 MB/sec execute 78 sec latency 71.103 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1877 0.18 MB/sec execute 79 sec latency 100.403 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1948 0.17 MB/sec execute 80 sec latency 164.097 ms 1 2000 0.17 MB/sec execute 81 sec latency 112.842 ms 1 2042 0.17 MB/sec execute 82 sec latency 80.563 ms 1 2120 0.17 MB/sec execute 83 sec latency 86.459 ms 1 2164 0.17 MB/sec execute 84 sec latency 85.727 ms 1 2214 0.17 MB/sec execute 85 sec latency 110.484 ms 1 2330 0.18 MB/sec execute 86 sec latency 50.989 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 61440 3687424 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 12288 3736576 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7424000 1% /mnt/lustre 1 2368 0.18 MB/sec execute 87 sec latency 210.747 ms 1 2402 0.18 MB/sec execute 88 sec latency 229.042 ms 1 2441 0.17 MB/sec execute 89 sec latency 82.875 ms 1 2490 0.18 MB/sec execute 90 sec latency 164.024 ms 1 2566 0.18 MB/sec execute 91 sec latency 558.998 ms test_26 fail mds1 3 times 1 2592 0.18 MB/sec execute 92 sec latency 912.857 ms Failing mds1 on oleg634-server 1 2720 0.21 MB/sec execute 93 sec latency 97.062 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 2798 0.21 MB/sec execute 94 sec latency 213.193 ms 1 2899 0.21 MB/sec execute 95 sec latency 455.075 ms 1 2899 0.21 MB/sec execute 96 sec latency 1455.305 ms 12:58:37 (1787849917) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 2899 0.21 MB/sec execute 97 sec latency 2455.880 ms 1 2899 0.21 MB/sec execute 98 sec latency 3456.054 ms 1 2899 0.20 MB/sec execute 99 sec latency 4456.173 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec Failover mds1 to oleg634-server mount facets: mds1 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 cleanup 112 sec 1 cleanup 113 sec 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 cleanup 119 sec pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 cleanup 120 sec Started lustre-MDT0000 12:59:01 (1787849941) targets are mounted 12:59:01 (1787849941) facet_failover done 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 0 cleanup 124 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 402 47.740 210.539 Close 344 200.994 40367.058 Rename 18 75.349 126.003 Unlink 42 23.259 39.472 Qpathinfo 365 74.609 22141.911 Qfileinfo 112 1.710 13.002 Qfsinfo 55 2.377 13.976 Sfileinfo 50 48.277 100.428 Find 128 4.848 54.676 WriteX 383 10.803 72.327 ReadX 614 1.377 68.974 LockX 2 5.900 6.814 UnlockX 2 9.247 13.394 Flush 35 108.880 229.027 Throughput 0.204862 MB/sec 1 clients 1 procs max_latency=40367.078 ms stopping dbench on /mnt/lustre at Thu Aug 27 12:59:04 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 Thu Aug 27 12:59:09 EDT 2026 waiting for dbench pid 48100 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 40 1.44 MB/sec warmup 1 sec latency 75.973 ms 1 108 2.56 MB/sec warmup 2 sec latency 136.985 ms 1 144 2.04 MB/sec warmup 3 sec latency 149.556 ms 1 184 1.84 MB/sec warmup 4 sec latency 113.720 ms 1 223 1.72 MB/sec warmup 5 sec latency 153.023 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3328 2205184 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 28672 3718144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 29696 3699712 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 58368 7417856 1% /mnt/lustre 1 263 1.65 MB/sec warmup 6 sec latency 146.325 ms 1 315 1.64 MB/sec warmup 7 sec latency 99.129 ms 1 358 1.59 MB/sec warmup 8 sec latency 145.991 ms 1 406 1.59 MB/sec warmup 9 sec latency 127.035 ms 1 462 1.61 MB/sec warmup 10 sec latency 75.123 ms test_26 fail mds1 4 times 1 511 1.61 MB/sec warmup 11 sec latency 101.186 ms 1 587 1.68 MB/sec warmup 12 sec latency 120.641 ms Failing mds1 on oleg634-server 1 654 1.62 MB/sec warmup 13 sec latency 110.143 ms Stopping /mnt/lustre-mds1 (opts:) on oleg634-server 1 676 1.51 MB/sec warmup 14 sec latency 227.259 ms 1 702 1.41 MB/sec warmup 15 sec latency 410.246 ms 1 702 1.32 MB/sec warmup 16 sec latency 1411.901 ms 1 702 1.24 MB/sec warmup 17 sec latency 2412.745 ms 12:59:27 (1787849967) shut down facet: mds1 facet_host: oleg634-server facet_failover_host: oleg634-server 1 702 1.18 MB/sec warmup 18 sec latency 3413.759 ms 1 702 1.11 MB/sec warmup 19 sec latency 4416.590 ms 1 702 0.00 MB/sec execute 1 sec latency 6417.056 ms 1 702 0.00 MB/sec execute 2 sec latency 7417.280 ms 1 702 0.00 MB/sec execute 3 sec latency 8417.450 ms 1 702 0.00 MB/sec execute 4 sec latency 9417.636 ms 1 702 0.00 MB/sec execute 5 sec latency 10417.947 ms 1 702 0.00 MB/sec execute 6 sec latency 11418.268 ms 1 702 0.00 MB/sec execute 7 sec latency 12418.440 ms Failover mds1 to oleg634-server mount facets: mds1 1 702 0.00 MB/sec execute 8 sec latency 13418.569 ms 1 702 0.00 MB/sec execute 9 sec latency 14419.286 ms 1 702 0.00 MB/sec execute 10 sec latency 15419.710 ms 1 702 0.00 MB/sec execute 11 sec latency 16422.096 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 702 0.00 MB/sec execute 12 sec latency 17422.282 ms 1 702 0.00 MB/sec execute 13 sec latency 18422.640 ms 1 702 0.00 MB/sec execute 14 sec latency 19422.863 ms 1 702 0.00 MB/sec execute 15 sec latency 20423.039 ms 1 702 0.00 MB/sec execute 16 sec latency 21423.314 ms oleg634-server: oleg634-server.virtnet: executing set_default_debug -1 all 1 702 0.00 MB/sec execute 17 sec latency 22423.495 ms pdsh@oleg634-client: oleg634-server: ssh exited with exit code 1 1 702 0.00 MB/sec execute 18 sec latency 23423.879 ms 1 705 0.00 MB/sec execute 19 sec latency 24284.839 ms Started lustre-MDT0000 12:59:49 (1787849989) targets are mounted 12:59:49 (1787849989) facet_failover done 1 728 0.01 MB/sec execute 20 sec latency 262.084 ms 1 765 0.01 MB/sec execute 21 sec latency 126.997 ms 1 789 0.01 MB/sec execute 22 sec latency 241.515 ms 1 817 0.01 MB/sec execute 23 sec latency 274.044 ms 1 873 0.02 MB/sec execute 24 sec latency 139.464 ms 1 899 0.02 MB/sec execute 25 sec latency 267.179 ms oleg634-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 916 0.02 MB/sec execute 26 sec latency 271.067 ms 1 951 0.02 MB/sec execute 27 sec latency 111.986 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 981 0.02 MB/sec execute 28 sec latency 227.244 ms 1 1011 0.04 MB/sec execute 29 sec latency 119.833 ms 1 1074 0.06 MB/sec execute 30 sec latency 152.236 ms 1 1124 0.06 MB/sec execute 31 sec latency 113.407 ms 1 1155 0.06 MB/sec execute 32 sec latency 154.596 ms 1 1207 0.06 MB/sec execute 33 sec latency 91.390 ms 1 1242 0.06 MB/sec execute 34 sec latency 115.634 ms 1 1302 0.07 MB/sec execute 35 sec latency 95.214 ms 1 1419 0.13 MB/sec execute 36 sec latency 77.228 ms 1 1474 0.13 MB/sec execute 37 sec latency 84.363 ms 1 1509 0.13 MB/sec execute 38 sec latency 329.122 ms 1 1563 0.13 MB/sec execute 39 sec latency 91.402 ms 1 1591 0.12 MB/sec execute 40 sec latency 90.497 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1634 0.12 MB/sec execute 41 sec latency 263.586 ms 1 1684 0.12 MB/sec execute 42 sec latency 96.672 ms 1 1752 0.12 MB/sec execute 43 sec latency 93.631 ms 1 1820 0.12 MB/sec execute 44 sec latency 88.770 ms 1 1877 0.11 MB/sec execute 45 sec latency 95.572 ms 1 1948 0.11 MB/sec execute 46 sec latency 235.708 ms 1 2008 0.11 MB/sec execute 47 sec latency 70.899 ms 1 2082 0.11 MB/sec execute 48 sec latency 61.763 ms 1 2160 0.11 MB/sec execute 49 sec latency 54.959 ms 1 2243 0.11 MB/sec execute 50 sec latency 107.841 ms tar: Error is not recoverable: exiting now 1 2334 0.13 MB/sec execute 51 sec latency 98.565 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 13:00:21 EDT 2026 with return code 0 48100 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48100 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished