== replay-dual test 26: dbench and tar with mds failover ========================================================== 14:30:39 (1776191439) Starting client oleg313-client.virtnet: -o user_xattr,flock oleg313-server@tcp:/lustre /mnt/lustre Started clients oleg313-client.virtnet: 192.168.203.113@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,encrypt) Started tar loop with pid 66866 Started dbench loop with 66867 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 2020 1285668 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1832 1285856 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1408 3605612 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1388 3593196 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 2796 7198808 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 Tue Apr 14 14:30:45 EDT 2026 waiting for dbench pid 66941 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 108.434 ms 1 91 2.10 MB/sec warmup 2 sec latency 143.055 ms 1 136 2.01 MB/sec warmup 3 sec latency 143.418 ms 1 165 1.70 MB/sec warmup 4 sec latency 152.992 ms 1 200 1.57 MB/sec warmup 5 sec latency 136.545 ms 1 238 1.52 MB/sec warmup 6 sec latency 154.216 ms 1 272 1.45 MB/sec warmup 7 sec latency 169.949 ms test_26 fail mds1 1 times 1 313 1.43 MB/sec warmup 8 sec latency 146.560 ms 1 349 1.39 MB/sec warmup 9 sec latency 139.467 ms Failing mds1 on oleg313-server 1 389 1.38 MB/sec warmup 10 sec latency 119.975 ms Stopping /mnt/lustre-mds1 (opts:) on oleg313-server 1 428 1.37 MB/sec warmup 11 sec latency 185.587 ms 1 472 1.37 MB/sec warmup 12 sec latency 181.493 ms 1 501 1.34 MB/sec warmup 13 sec latency 458.380 ms reboot facets: mds1 1 501 1.25 MB/sec warmup 14 sec latency 1458.629 ms 1 501 1.16 MB/sec warmup 15 sec latency 2458.955 ms 1 501 1.09 MB/sec warmup 16 sec latency 3459.423 ms 1 501 1.03 MB/sec warmup 17 sec latency 4461.883 ms 1 501 0.97 MB/sec warmup 18 sec latency 5462.225 ms 1 501 0.92 MB/sec warmup 19 sec latency 6462.663 ms 1 501 0.00 MB/sec execute 1 sec latency 8463.436 ms 1 501 0.00 MB/sec execute 2 sec latency 9464.104 ms 1 501 0.00 MB/sec execute 3 sec latency 10464.963 ms Failover mds1 to oleg313-server 1 501 0.00 MB/sec execute 4 sec latency 11465.670 ms 1 501 0.00 MB/sec execute 5 sec latency 12467.169 ms mount facets: mds1 1 501 0.00 MB/sec execute 6 sec latency 13469.310 ms 1 501 0.00 MB/sec execute 7 sec latency 14469.868 ms 1 501 0.00 MB/sec execute 8 sec latency 15470.448 ms 1 501 0.00 MB/sec execute 9 sec latency 16473.478 ms 1 501 0.00 MB/sec execute 10 sec latency 17473.741 ms 1 501 0.00 MB/sec execute 11 sec latency 18473.970 ms 1 501 0.00 MB/sec execute 12 sec latency 19475.197 ms Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 13 sec latency 20475.430 ms 1 501 0.00 MB/sec execute 14 sec latency 21475.770 ms 1 501 0.00 MB/sec execute 15 sec latency 22476.608 ms 1 501 0.00 MB/sec execute 16 sec latency 23476.835 ms 1 501 0.00 MB/sec execute 17 sec latency 24477.072 ms 1 501 0.00 MB/sec execute 18 sec latency 25477.698 ms 1 501 0.00 MB/sec execute 19 sec latency 26477.949 ms 1 501 0.00 MB/sec execute 20 sec latency 27478.184 ms 1 501 0.00 MB/sec execute 21 sec latency 28478.424 ms 1 501 0.00 MB/sec execute 22 sec latency 29478.604 ms 1 501 0.00 MB/sec execute 23 sec latency 30478.971 ms 1 501 0.00 MB/sec execute 24 sec latency 31479.355 ms 1 501 0.00 MB/sec execute 25 sec latency 32479.783 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 8 1 501 0.00 MB/sec execute 26 sec latency 33479.999 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 27 sec latency 34480.281 ms Started lustre-MDT0000 1 501 0.00 MB/sec execute 28 sec latency 35482.771 ms 1 522 0.02 MB/sec execute 29 sec latency 35932.947 ms 1 608 0.12 MB/sec execute 30 sec latency 112.678 ms 1 685 0.12 MB/sec execute 31 sec latency 78.035 ms 1 728 0.12 MB/sec execute 32 sec latency 116.049 ms 1 765 0.12 MB/sec execute 33 sec latency 153.606 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 798 0.12 MB/sec execute 34 sec latency 123.109 ms 1 849 0.12 MB/sec execute 35 sec latency 115.258 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 880 0.12 MB/sec execute 36 sec latency 150.894 ms 1 910 0.12 MB/sec execute 37 sec latency 109.727 ms 1 940 0.11 MB/sec execute 38 sec latency 131.729 ms 1 977 0.11 MB/sec execute 39 sec latency 103.800 ms 1 1041 0.14 MB/sec execute 40 sec latency 91.458 ms 1 1119 0.13 MB/sec execute 41 sec latency 69.744 ms 1 1178 0.13 MB/sec execute 42 sec latency 82.682 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2280 1285408 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2072 1285616 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20896 3582444 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34356 3572352 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55252 7154796 1% /mnt/lustre 1 1229 0.13 MB/sec execute 43 sec latency 72.336 ms 1 1274 0.13 MB/sec execute 44 sec latency 102.210 ms 1 1418 0.19 MB/sec execute 45 sec latency 81.557 ms 1 1474 0.19 MB/sec execute 46 sec latency 78.725 ms 1 1509 0.18 MB/sec execute 47 sec latency 130.641 ms 1 1557 0.18 MB/sec execute 48 sec latency 193.062 ms 1 1605 0.18 MB/sec execute 49 sec latency 430.565 ms 1 1653 0.17 MB/sec execute 50 sec latency 121.464 ms 1 1696 0.17 MB/sec execute 51 sec latency 122.187 ms test_26 fail mds2 2 times 1 1762 0.17 MB/sec execute 52 sec latency 103.921 ms 1 1810 0.17 MB/sec execute 53 sec latency 123.983 ms Failing mds2 on oleg313-server 1 1859 0.16 MB/sec execute 54 sec latency 85.528 ms Stopping /mnt/lustre-mds2 (opts:) on oleg313-server 1 1939 0.16 MB/sec execute 55 sec latency 76.224 ms 1 1954 0.16 MB/sec execute 56 sec latency 825.492 ms 1 1954 0.16 MB/sec execute 57 sec latency 1825.654 ms reboot facets: mds2 1 1954 0.15 MB/sec execute 58 sec latency 2825.853 ms 1 1954 0.15 MB/sec execute 59 sec latency 3826.838 ms 1 1954 0.15 MB/sec execute 60 sec latency 4827.348 ms 1 1954 0.15 MB/sec execute 61 sec latency 5827.625 ms 1 1954 0.14 MB/sec execute 62 sec latency 6827.972 ms 1 1954 0.14 MB/sec execute 63 sec latency 7828.383 ms 1 1954 0.14 MB/sec execute 64 sec latency 8828.624 ms 1 1954 0.14 MB/sec execute 65 sec latency 9829.226 ms 1 1954 0.14 MB/sec execute 66 sec latency 10829.465 ms 1 1954 0.13 MB/sec execute 67 sec latency 11830.161 ms Failover mds2 to oleg313-server 1 1954 0.13 MB/sec execute 68 sec latency 12830.408 ms 1 1954 0.13 MB/sec execute 69 sec latency 13830.659 ms mount facets: mds2 1 1954 0.13 MB/sec execute 70 sec latency 14831.595 ms 1 1954 0.13 MB/sec execute 71 sec latency 15831.897 ms 1 1954 0.12 MB/sec execute 72 sec latency 16837.563 ms 1 1954 0.12 MB/sec execute 73 sec latency 17837.758 ms 1 1954 0.12 MB/sec execute 74 sec latency 18838.799 ms 1 1954 0.12 MB/sec execute 75 sec latency 19842.065 ms 1 1954 0.12 MB/sec execute 76 sec latency 20845.961 ms 1 1954 0.12 MB/sec execute 77 sec latency 21846.233 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1954 0.12 MB/sec execute 78 sec latency 22847.922 ms 1 1954 0.11 MB/sec execute 79 sec latency 23854.851 ms 1 1954 0.11 MB/sec execute 80 sec latency 24862.875 ms 1 1954 0.11 MB/sec execute 81 sec latency 25863.104 ms 1 1954 0.11 MB/sec execute 82 sec latency 26863.361 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 8 1 1954 0.11 MB/sec execute 83 sec latency 27865.497 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 1954 0.11 MB/sec execute 84 sec latency 28865.966 ms Started lustre-MDT0001 1 1954 0.11 MB/sec execute 85 sec latency 29866.518 ms 1 1980 0.10 MB/sec execute 86 sec latency 30353.307 ms 1 2012 0.10 MB/sec execute 87 sec latency 105.121 ms 1 2069 0.10 MB/sec execute 88 sec latency 98.176 ms 1 2125 0.10 MB/sec execute 89 sec latency 102.776 ms 1 2166 0.10 MB/sec execute 90 sec latency 90.009 ms 1 2218 0.10 MB/sec execute 91 sec latency 76.590 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2302 0.11 MB/sec execute 92 sec latency 93.315 ms 1 2357 0.11 MB/sec execute 93 sec latency 101.805 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2399 0.11 MB/sec execute 94 sec latency 92.792 ms 1 2434 0.11 MB/sec execute 95 sec latency 96.887 ms 1 2479 0.12 MB/sec execute 96 sec latency 82.567 ms 1 2561 0.12 MB/sec execute 97 sec latency 122.421 ms 1 2603 0.12 MB/sec execute 98 sec latency 87.617 ms 1 2770 0.15 MB/sec execute 99 sec latency 68.399 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2608 1285080 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2388 1285300 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35212 3570312 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35464 3571100 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 70676 7141412 1% /mnt/lustre 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 381 226.369 35932.931 Close 323 13.643 430.535 Rename 18 73.209 123.087 Unlink 42 22.696 47.164 Qpathinfo 364 14.163 108.578 Qfileinfo 93 1.791 9.010 Qfsinfo 54 2.889 20.522 Sfileinfo 50 37.109 84.959 Find 128 10.105 48.068 WriteX 288 12.288 80.091 ReadX 614 0.556 54.202 LockX 2 8.647 10.476 UnlockX 2 10.654 13.869 Flush 35 58.580 127.986 Throughput 0.146231 MB/sec 1 clients 1 procs max_latency=35932.947 ms stopping dbench on /mnt/lustre at Tue Apr 14 14:32:49 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench test_26 fail mds1 3 times looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Failing mds1 on oleg313-server Stopping /mnt/lustre-mds1 (opts:) on oleg313-server reboot facets: mds1 Failover mds1 to oleg313-server mount facets: mds1 Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 Started lustre-MDT0000 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Apr 14 14:33:32 EDT 2026 waiting for dbench pid 69763 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 25 0.72 MB/sec warmup 1 sec latency 19.394 ms 1 91 2.09 MB/sec warmup 2 sec latency 95.621 ms 1 137 2.00 MB/sec warmup 3 sec latency 141.977 ms 1 173 1.76 MB/sec warmup 4 sec latency 123.887 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 184 1.47 MB/sec warmup 5 sec latency 727.275 ms 1 188 1.26 MB/sec warmup 6 sec latency 1656.298 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 215 1.19 MB/sec warmup 7 sec latency 206.177 ms 1 247 1.17 MB/sec warmup 8 sec latency 133.240 ms 1 287 1.18 MB/sec warmup 9 sec latency 143.103 ms 1 319 1.15 MB/sec warmup 10 sec latency 136.930 ms 1 358 1.16 MB/sec warmup 11 sec latency 104.937 ms 1 405 1.19 MB/sec warmup 12 sec latency 170.178 ms 1 446 1.20 MB/sec warmup 13 sec latency 96.299 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 3008 1284680 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2772 1284916 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 24992 3576216 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 32116 3569468 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 57108 7145684 1% /mnt/lustre 1 494 1.23 MB/sec warmup 14 sec latency 110.579 ms 1 542 1.27 MB/sec warmup 15 sec latency 95.574 ms 1 642 1.31 MB/sec warmup 16 sec latency 123.278 ms 1 691 1.24 MB/sec warmup 17 sec latency 100.118 ms 1 735 1.18 MB/sec warmup 18 sec latency 76.167 ms 1 789 1.13 MB/sec warmup 19 sec latency 80.585 ms 1 878 0.17 MB/sec execute 1 sec latency 129.315 ms test_26 fail mds2 4 times 1 916 0.14 MB/sec execute 2 sec latency 101.490 ms 1 965 0.11 MB/sec execute 3 sec latency 76.343 ms Failing mds2 on oleg313-server 1 990 0.10 MB/sec execute 4 sec latency 97.526 ms Stopping /mnt/lustre-mds2 (opts:) on oleg313-server 1 1067 0.28 MB/sec execute 5 sec latency 92.594 ms 1 1132 0.25 MB/sec execute 6 sec latency 83.951 ms 1 1185 0.22 MB/sec execute 7 sec latency 71.574 ms reboot facets: mds2 1 1244 0.20 MB/sec execute 8 sec latency 85.476 ms 1 1278 0.18 MB/sec execute 9 sec latency 385.311 ms 1 1278 0.17 MB/sec execute 10 sec latency 1385.908 ms 1 1278 0.15 MB/sec execute 11 sec latency 2386.369 ms 1 1278 0.14 MB/sec execute 12 sec latency 3386.912 ms 1 1278 0.13 MB/sec execute 13 sec latency 4387.783 ms 1 1278 0.12 MB/sec execute 14 sec latency 5388.164 ms 1 1278 0.11 MB/sec execute 15 sec latency 6388.569 ms 1 1278 0.10 MB/sec execute 16 sec latency 7389.896 ms 1 1278 0.10 MB/sec execute 17 sec latency 8390.186 ms Failover mds2 to oleg313-server 1 1278 0.09 MB/sec execute 18 sec latency 9392.046 ms 1 1278 0.09 MB/sec execute 19 sec latency 10394.355 ms 1 1278 0.08 MB/sec execute 20 sec latency 11395.667 ms mount facets: mds2 1 1278 0.08 MB/sec execute 21 sec latency 12400.164 ms 1 1278 0.08 MB/sec execute 22 sec latency 13400.365 ms 1 1278 0.07 MB/sec execute 23 sec latency 14400.564 ms 1 1278 0.07 MB/sec execute 24 sec latency 15401.861 ms 1 1278 0.07 MB/sec execute 25 sec latency 16402.042 ms 1 1278 0.06 MB/sec execute 26 sec latency 17404.076 ms 1 1278 0.06 MB/sec execute 27 sec latency 18408.172 ms 1 1278 0.06 MB/sec execute 28 sec latency 19418.756 ms 1 1278 0.06 MB/sec execute 29 sec latency 20419.347 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1278 0.05 MB/sec execute 30 sec latency 21419.541 ms 1 1278 0.05 MB/sec execute 31 sec latency 22420.431 ms 1 1278 0.05 MB/sec execute 32 sec latency 23421.146 ms 1 1278 0.05 MB/sec execute 33 sec latency 24421.609 ms 1 1278 0.05 MB/sec execute 34 sec latency 25421.852 ms 1 1278 0.05 MB/sec execute 35 sec latency 26422.167 ms 1 1278 0.05 MB/sec execute 36 sec latency 27422.387 ms oleg313-server: oleg313-server.virtnet: executing set_default_debug -1 all 8 1 1278 0.04 MB/sec execute 37 sec latency 28422.688 ms pdsh@oleg313-client: oleg313-server: ssh exited with exit code 1 1 1278 0.04 MB/sec execute 38 sec latency 29422.873 ms Started lustre-MDT0001 1 1383 0.12 MB/sec execute 39 sec latency 30154.297 ms 1 1434 0.11 MB/sec execute 40 sec latency 77.448 ms 1 1492 0.11 MB/sec execute 41 sec latency 88.230 ms 1 1548 0.11 MB/sec execute 42 sec latency 90.009 ms 1 1603 0.11 MB/sec execute 43 sec latency 107.568 ms 1 1651 0.11 MB/sec execute 44 sec latency 110.043 ms oleg313-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1691 0.11 MB/sec execute 45 sec latency 150.269 ms 1 1773 0.10 MB/sec execute 46 sec latency 69.681 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1830 0.10 MB/sec execute 47 sec latency 92.929 ms 1 1882 0.10 MB/sec execute 48 sec latency 104.916 ms 1 1961 0.10 MB/sec execute 49 sec latency 85.865 ms 1 2006 0.10 MB/sec execute 50 sec latency 128.235 ms 1 2069 0.10 MB/sec execute 51 sec latency 112.025 ms 1 2152 0.10 MB/sec execute 52 sec latency 59.977 ms 1 2199 0.10 MB/sec execute 53 sec latency 95.686 ms 1 2299 0.12 MB/sec execute 54 sec latency 86.937 ms 1 2368 0.12 MB/sec execute 55 sec latency 66.788 ms 1 2407 0.12 MB/sec execute 56 sec latency 80.343 ms 1 2453 0.12 MB/sec execute 57 sec latency 89.747 ms 1 2498 0.12 MB/sec execute 58 sec latency 83.828 ms 1 2586 0.13 MB/sec execute 59 sec latency 81.607 ms 1 2750 0.17 MB/sec execute 60 sec latency 89.115 ms 1 2874 0.18 MB/sec execute 61 sec latency 94.853 ms 1 2917 0.19 MB/sec execute 62 sec latency 102.226 ms 1 2987 0.19 MB/sec execute 63 sec latency 90.070 ms 1 3026 0.19 MB/sec execute 64 sec latency 110.882 ms 1 3235 0.20 MB/sec execute 65 sec latency 113.654 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Apr 14 14:34:58 EDT 2026 with return code 0 69763 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69763 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished