== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:00:51 (1790949651) Starting client oleg108-client.virtnet: -o user_xattr,flock 192.168.201.108@tcp:/lustre /mnt/lustre Started clients oleg108-client.virtnet: 192.168.201.108@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 65631 Started dbench loop with 65632 striped dir -i0 -c2 -H fnv_1a_64 /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 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3584772 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7190248 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 Oct 2 10:00:56 EDT 2026 waiting for dbench pid 65711 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 20 0.39 MB/sec warmup 1 sec latency 13.683 ms 1 96 2.16 MB/sec warmup 2 sec latency 118.700 ms 1 139 2.01 MB/sec warmup 3 sec latency 189.366 ms 1 184 1.84 MB/sec warmup 4 sec latency 140.570 ms 1 216 1.67 MB/sec warmup 5 sec latency 291.447 ms 1 256 1.61 MB/sec warmup 6 sec latency 146.776 ms 1 313 1.64 MB/sec warmup 7 sec latency 101.139 ms test_26 fail mds1 1 times 1 358 1.60 MB/sec warmup 8 sec latency 146.815 ms 1 405 1.59 MB/sec warmup 9 sec latency 111.320 ms Failing mds1 on oleg108-server 1 445 1.56 MB/sec warmup 10 sec latency 137.926 ms Stopping /mnt/lustre-mds1 (opts:) on oleg108-server 1 483 1.53 MB/sec warmup 11 sec latency 164.164 ms 1 511 1.47 MB/sec warmup 12 sec latency 184.263 ms 1 593 1.58 MB/sec warmup 13 sec latency 223.383 ms 1 606 1.49 MB/sec warmup 14 sec latency 835.491 ms 10:01:10 (1790949670) shut down facet: mds1 facet_host: oleg108-server facet_failover_host: oleg108-server 1 606 1.40 MB/sec warmup 15 sec latency 1836.467 ms 1 606 1.31 MB/sec warmup 16 sec latency 2836.800 ms 1 606 1.23 MB/sec warmup 17 sec latency 3836.986 ms 1 606 1.16 MB/sec warmup 18 sec latency 4837.525 ms 1 606 1.10 MB/sec warmup 19 sec latency 5839.518 ms 1 606 0.00 MB/sec execute 1 sec latency 7844.037 ms 1 606 0.00 MB/sec execute 2 sec latency 8844.336 ms 1 606 0.00 MB/sec execute 3 sec latency 9845.003 ms 1 606 0.00 MB/sec execute 4 sec latency 10845.193 ms 1 606 0.00 MB/sec execute 5 sec latency 11845.321 ms Failover mds1 to oleg108-server mount facets: mds1 1 606 0.00 MB/sec execute 6 sec latency 12845.969 ms 1 606 0.00 MB/sec execute 7 sec latency 13846.176 ms 1 606 0.00 MB/sec execute 8 sec latency 14847.085 ms 1 606 0.00 MB/sec execute 9 sec latency 15848.954 ms 1 606 0.00 MB/sec execute 10 sec latency 16851.317 ms 1 606 0.00 MB/sec execute 11 sec latency 17851.483 ms 1 606 0.00 MB/sec execute 12 sec latency 18854.411 ms 1 606 0.00 MB/sec execute 13 sec latency 19855.288 ms 1 606 0.00 MB/sec execute 14 sec latency 20856.711 ms 1 606 0.00 MB/sec execute 15 sec latency 21856.982 ms 1 606 0.00 MB/sec execute 16 sec latency 22903.249 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 17 sec latency 23908.892 ms 1 606 0.00 MB/sec execute 18 sec latency 24913.883 ms 1 606 0.00 MB/sec execute 19 sec latency 25915.503 ms 1 606 0.00 MB/sec execute 20 sec latency 26915.825 ms 1 606 0.00 MB/sec execute 21 sec latency 27916.483 ms 1 606 0.00 MB/sec execute 22 sec latency 28916.794 ms 1 606 0.00 MB/sec execute 23 sec latency 29922.023 ms 1 606 0.00 MB/sec execute 24 sec latency 30934.210 ms 1 606 0.00 MB/sec execute 25 sec latency 31935.681 ms 1 606 0.00 MB/sec execute 26 sec latency 32936.051 ms 1 606 0.00 MB/sec execute 27 sec latency 33936.331 ms 1 606 0.00 MB/sec execute 28 sec latency 34936.544 ms oleg108-server: oleg108-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 29 sec latency 35937.243 ms pdsh@oleg108-client: oleg108-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 30 sec latency 36942.694 ms 1 606 0.00 MB/sec execute 31 sec latency 37953.484 ms Started lustre-MDT0000 10:01:47 (1790949707) targets are mounted 10:01:47 (1790949707) facet_failover done 1 636 0.00 MB/sec execute 32 sec latency 38476.412 ms 1 664 0.01 MB/sec execute 33 sec latency 135.717 ms 1 692 0.01 MB/sec execute 34 sec latency 147.039 ms 1 711 0.01 MB/sec execute 35 sec latency 190.020 ms 1 720 0.01 MB/sec execute 36 sec latency 696.319 ms 1 726 0.01 MB/sec execute 37 sec latency 1288.253 ms 1 762 0.01 MB/sec execute 38 sec latency 112.228 ms 1 788 0.01 MB/sec execute 39 sec latency 181.884 ms oleg108-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 812 0.01 MB/sec execute 40 sec latency 132.619 ms 1 857 0.01 MB/sec execute 41 sec latency 117.764 ms 1 885 0.02 MB/sec execute 42 sec latency 142.483 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 913 0.02 MB/sec execute 43 sec latency 115.194 ms 1 940 0.02 MB/sec execute 44 sec latency 179.436 ms 1 976 0.02 MB/sec execute 45 sec latency 139.328 ms 1 995 0.02 MB/sec execute 46 sec latency 139.606 ms 1 1052 0.04 MB/sec execute 47 sec latency 115.081 ms 1 1102 0.04 MB/sec execute 48 sec latency 87.047 ms 1 1145 0.04 MB/sec execute 49 sec latency 138.963 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 46680 3559124 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12024 3594088 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58704 7153212 1% /mnt/lustre 1 1182 0.04 MB/sec execute 50 sec latency 105.710 ms 1 1225 0.04 MB/sec execute 51 sec latency 105.892 ms 1 1259 0.04 MB/sec execute 52 sec latency 141.685 ms 1 1378 0.09 MB/sec execute 53 sec latency 292.274 ms 1 1405 0.09 MB/sec execute 54 sec latency 158.889 ms 1 1441 0.09 MB/sec execute 55 sec latency 137.307 ms 1 1497 0.09 MB/sec execute 56 sec latency 103.582 ms 1 1519 0.09 MB/sec execute 57 sec latency 187.840 ms 1 1566 0.09 MB/sec execute 58 sec latency 80.960 ms test_26 fail mds2 2 times 1 1589 0.09 MB/sec execute 59 sec latency 112.599 ms 1 1616 0.09 MB/sec execute 60 sec latency 160.997 ms 1 1643 0.09 MB/sec execute 61 sec latency 191.429 ms Failing mds2 on oleg108-server 1 1660 0.08 MB/sec execute 62 sec latency 174.528 ms Stopping /mnt/lustre-mds2 (opts:) on oleg108-server 1 1687 0.08 MB/sec execute 63 sec latency 223.224 ms 1 1719 0.08 MB/sec execute 64 sec latency 144.301 ms 1 1769 0.08 MB/sec execute 65 sec latency 100.850 ms 1 1805 0.08 MB/sec execute 66 sec latency 101.623 ms 1 1828 0.08 MB/sec execute 67 sec latency 124.300 ms 10:02:24 (1790949744) shut down facet: mds2 facet_host: oleg108-server facet_failover_host: oleg108-server 1 1859 0.08 MB/sec execute 68 sec latency 227.978 ms 1 1928 0.08 MB/sec execute 69 sec latency 139.019 ms 1 1986 0.08 MB/sec execute 70 sec latency 131.288 ms 1 2065 0.08 MB/sec execute 71 sec latency 112.579 ms 1 2148 0.08 MB/sec execute 72 sec latency 72.047 ms 1 2191 0.08 MB/sec execute 73 sec latency 119.592 ms 1 2259 0.08 MB/sec execute 74 sec latency 278.656 ms 1 2259 0.08 MB/sec execute 75 sec latency 1278.996 ms 1 2259 0.08 MB/sec execute 76 sec latency 2279.345 ms 1 2259 0.08 MB/sec execute 77 sec latency 3280.229 ms 1 2259 0.07 MB/sec execute 78 sec latency 4281.884 ms Failover mds2 to oleg108-server mount facets: mds2 1 2259 0.07 MB/sec execute 79 sec latency 5282.102 ms 1 2259 0.07 MB/sec execute 80 sec latency 6282.289 ms 1 2259 0.07 MB/sec execute 81 sec latency 7283.664 ms 1 2259 0.07 MB/sec execute 82 sec latency 8283.871 ms 1 2259 0.07 MB/sec execute 83 sec latency 9287.283 ms 1 2259 0.07 MB/sec execute 84 sec latency 10289.870 ms 1 2259 0.07 MB/sec execute 85 sec latency 11290.019 ms 1 2259 0.07 MB/sec execute 86 sec latency 12291.091 ms 1 2259 0.07 MB/sec execute 87 sec latency 13291.730 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.07 MB/sec execute 88 sec latency 14292.081 ms 1 2259 0.07 MB/sec execute 89 sec latency 15292.538 ms 1 2259 0.06 MB/sec execute 90 sec latency 16293.271 ms 1 2259 0.06 MB/sec execute 91 sec latency 17296.638 ms 1 2259 0.06 MB/sec execute 92 sec latency 18297.031 ms 1 2259 0.06 MB/sec execute 93 sec latency 19297.538 ms 1 2259 0.06 MB/sec execute 94 sec latency 20299.032 ms oleg108-server: oleg108-server.virtnet: executing set_default_debug -1 all 1 2259 0.06 MB/sec execute 95 sec latency 21307.584 ms 1 2259 0.06 MB/sec execute 96 sec latency 22307.851 ms pdsh@oleg108-client: oleg108-server: ssh exited with exit code 1 1 2262 0.06 MB/sec execute 97 sec latency 23296.637 ms Started lustre-MDT0001 10:02:53 (1790949773) targets are mounted 10:02:53 (1790949773) facet_failover done 1 2347 0.07 MB/sec execute 98 sec latency 115.383 ms 1 2384 0.07 MB/sec execute 99 sec latency 114.574 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 330 134.002 23296.617 Close 283 13.391 83.221 Rename 13 92.414 184.128 Unlink 33 28.929 100.819 Qpathinfo 317 139.253 38476.382 Qfileinfo 59 2.461 11.665 Qfsinfo 35 4.345 22.304 Sfileinfo 43 67.911 179.420 Find 106 13.355 58.198 WriteX 179 14.404 101.226 ReadX 381 3.896 174.811 Flush 33 72.840 345.125 Throughput 0.0704762 MB/sec 1 clients 1 procs max_latency=38476.412 ms stopping dbench on /mnt/lustre at Fri Oct 2 10:03:00 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg108-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H all_char /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 Fri Oct 2 10:03:08 EDT 2026 waiting for dbench pid 67851 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 23 0.59 MB/sec warmup 1 sec latency 17.200 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2400 1268904 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2156 1269148 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44080 3559976 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 3140 3602588 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47220 7162564 1% /mnt/lustre 1 72 1.57 MB/sec warmup 2 sec latency 154.592 ms 1 122 1.83 MB/sec warmup 3 sec latency 144.122 ms 1 155 1.63 MB/sec warmup 4 sec latency 132.919 ms 1 184 1.48 MB/sec warmup 5 sec latency 169.771 ms 1 197 1.31 MB/sec warmup 6 sec latency 505.770 ms 1 201 1.12 MB/sec warmup 7 sec latency 1245.875 ms 1 246 1.17 MB/sec warmup 8 sec latency 126.155 ms 1 289 1.19 MB/sec warmup 9 sec latency 109.628 ms 1 341 1.23 MB/sec warmup 10 sec latency 103.983 ms test_26 fail mds1 3 times 1 374 1.21 MB/sec warmup 11 sec latency 138.564 ms Failing mds1 on oleg108-server 1 413 1.21 MB/sec warmup 12 sec latency 133.470 ms Stopping /mnt/lustre-mds1 (opts:) on oleg108-server 1 453 1.22 MB/sec warmup 13 sec latency 139.213 ms 1 493 1.23 MB/sec warmup 14 sec latency 139.234 ms 1 501 1.16 MB/sec warmup 15 sec latency 817.255 ms 1 501 1.09 MB/sec warmup 16 sec latency 1819.361 ms 1 501 1.03 MB/sec warmup 17 sec latency 2819.715 ms 1 501 0.97 MB/sec warmup 18 sec latency 3821.459 ms 1 501 0.92 MB/sec warmup 19 sec latency 4821.713 ms 1 501 0.00 MB/sec execute 1 sec latency 6822.524 ms 1 501 0.00 MB/sec execute 2 sec latency 7823.044 ms 10:03:31 (1790949811) shut down facet: mds1 facet_host: oleg108-server facet_failover_host: oleg108-server 1 501 0.00 MB/sec execute 3 sec latency 8823.283 ms 1 501 0.00 MB/sec execute 4 sec latency 9823.500 ms 1 501 0.00 MB/sec execute 5 sec latency 10823.996 ms 1 501 0.00 MB/sec execute 6 sec latency 11825.534 ms 1 501 0.00 MB/sec execute 7 sec latency 12825.751 ms 1 501 0.00 MB/sec execute 8 sec latency 13825.948 ms 1 501 0.00 MB/sec execute 9 sec latency 14826.266 ms 1 501 0.00 MB/sec execute 10 sec latency 15826.521 ms 1 501 0.00 MB/sec execute 11 sec latency 16828.497 ms 1 501 0.00 MB/sec execute 12 sec latency 17828.899 ms Failover mds1 to oleg108-server 1 501 0.00 MB/sec execute 13 sec latency 18829.867 ms mount facets: mds1 1 501 0.00 MB/sec execute 14 sec latency 19831.840 ms 1 501 0.00 MB/sec execute 15 sec latency 20832.063 ms 1 501 0.00 MB/sec execute 16 sec latency 21832.470 ms 1 501 0.00 MB/sec execute 17 sec latency 22834.500 ms 1 501 0.00 MB/sec execute 18 sec latency 23834.772 ms 1 501 0.00 MB/sec execute 19 sec latency 24835.116 ms 1 501 0.00 MB/sec execute 20 sec latency 25836.186 ms 1 501 0.00 MB/sec execute 21 sec latency 26837.972 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 22 sec latency 27839.848 ms 1 501 0.00 MB/sec execute 23 sec latency 28840.760 ms 1 501 0.00 MB/sec execute 24 sec latency 29841.472 ms 1 501 0.00 MB/sec execute 25 sec latency 30842.927 ms 1 501 0.00 MB/sec execute 26 sec latency 31843.720 ms 1 501 0.00 MB/sec execute 27 sec latency 32846.100 ms 1 501 0.00 MB/sec execute 28 sec latency 33848.982 ms 1 501 0.00 MB/sec execute 29 sec latency 34849.294 ms 1 501 0.00 MB/sec execute 30 sec latency 35849.720 ms 1 501 0.00 MB/sec execute 31 sec latency 36850.543 ms 1 501 0.00 MB/sec execute 32 sec latency 37851.017 ms 1 501 0.00 MB/sec execute 33 sec latency 38852.003 ms 1 501 0.00 MB/sec execute 34 sec latency 39852.246 ms oleg108-server: oleg108-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 35 sec latency 40857.582 ms pdsh@oleg108-client: oleg108-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 36 sec latency 41859.687 ms Started lustre-MDT0000 1 507 0.00 MB/sec execute 37 sec latency 42656.496 ms 10:04:05 (1790949845) targets are mounted 10:04:05 (1790949845) facet_failover done 1 606 0.09 MB/sec execute 38 sec latency 74.502 ms 1 663 0.09 MB/sec execute 39 sec latency 83.409 ms 1 697 0.09 MB/sec execute 40 sec latency 126.608 ms 1 731 0.09 MB/sec execute 41 sec latency 99.316 ms 1 769 0.09 MB/sec execute 42 sec latency 124.804 ms 1 801 0.09 MB/sec execute 43 sec latency 130.374 ms oleg108-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 848 0.09 MB/sec execute 44 sec latency 98.641 ms 1 878 0.09 MB/sec execute 45 sec latency 118.142 ms 1 884 0.09 MB/sec execute 46 sec latency 772.934 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 892 0.09 MB/sec execute 47 sec latency 1307.631 ms 1 918 0.09 MB/sec execute 48 sec latency 125.479 ms 1 964 0.09 MB/sec execute 49 sec latency 113.057 ms 1 988 0.09 MB/sec execute 50 sec latency 125.780 ms 1 1058 0.11 MB/sec execute 51 sec latency 138.283 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1119 0.11 MB/sec execute 52 sec latency 61.478 ms 1 1161 0.10 MB/sec execute 53 sec latency 80.271 ms 1 1221 0.10 MB/sec execute 54 sec latency 63.326 ms 1 1252 0.10 MB/sec execute 55 sec latency 97.801 ms 1 1383 0.15 MB/sec execute 56 sec latency 102.136 ms 1 1426 0.15 MB/sec execute 57 sec latency 144.314 ms 1 1467 0.15 MB/sec execute 58 sec latency 122.558 ms 1 1481 0.15 MB/sec execute 59 sec latency 420.122 ms 1 1518 0.14 MB/sec execute 60 sec latency 224.777 ms 1 1593 0.14 MB/sec execute 61 sec latency 63.903 ms 1 1651 0.14 MB/sec execute 62 sec latency 81.888 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Oct 2 10:04:31 EDT 2026 with return code 0 67851 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67851 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished