== replay-dual test 26: dbench and tar with mds failover ========================================================== 17:31:42 (1776202302) Starting client oleg324-client.virtnet: -o user_xattr,flock oleg324-server@tcp:/lustre /mnt/lustre Started clients oleg324-client.virtnet: 192.168.203.124@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,encrypt) Started tar loop with pid 66682 Started dbench loop with 66683 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 1984 1285704 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1832 1285856 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9600 3584976 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1388 3605632 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 10988 7190608 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 17:31:48 EDT 2026 waiting for dbench pid 66756 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 16.705 ms 1 98 2.21 MB/sec warmup 2 sec latency 138.185 ms 1 137 2.00 MB/sec warmup 3 sec latency 136.824 ms 1 166 1.70 MB/sec warmup 4 sec latency 134.077 ms 1 200 1.56 MB/sec warmup 5 sec latency 155.204 ms 1 239 1.52 MB/sec warmup 6 sec latency 187.701 ms 1 278 1.49 MB/sec warmup 7 sec latency 121.219 ms test_26 fail mds1 1 times 1 326 1.46 MB/sec warmup 8 sec latency 132.626 ms 1 373 1.47 MB/sec warmup 9 sec latency 99.134 ms Failing mds1 on oleg324-server Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 421 1.48 MB/sec warmup 10 sec latency 163.322 ms 1 462 1.47 MB/sec warmup 11 sec latency 173.687 ms 1 501 1.45 MB/sec warmup 12 sec latency 358.304 ms reboot facets: mds1 1 501 1.34 MB/sec warmup 13 sec latency 1360.096 ms 1 501 1.24 MB/sec warmup 14 sec latency 2360.439 ms 1 501 1.16 MB/sec warmup 15 sec latency 3360.605 ms 1 501 1.09 MB/sec warmup 16 sec latency 4360.814 ms 1 501 1.03 MB/sec warmup 17 sec latency 5360.997 ms 1 501 0.97 MB/sec warmup 18 sec latency 6361.196 ms 1 501 0.92 MB/sec warmup 19 sec latency 7362.725 ms 1 501 0.00 MB/sec execute 1 sec latency 9363.143 ms 1 501 0.00 MB/sec execute 2 sec latency 10363.364 ms 1 501 0.00 MB/sec execute 3 sec latency 11373.092 ms Failover mds1 to oleg324-server 1 501 0.00 MB/sec execute 4 sec latency 12373.282 ms mount facets: mds1 1 501 0.00 MB/sec execute 5 sec latency 13373.440 ms 1 501 0.00 MB/sec execute 6 sec latency 14374.476 ms 1 501 0.00 MB/sec execute 7 sec latency 15374.583 ms 1 501 0.00 MB/sec execute 8 sec latency 16374.874 ms 1 501 0.00 MB/sec execute 9 sec latency 17376.402 ms 1 501 0.00 MB/sec execute 10 sec latency 18377.258 ms 1 501 0.00 MB/sec execute 11 sec latency 19377.677 ms 1 501 0.00 MB/sec execute 12 sec latency 20377.854 ms 1 501 0.00 MB/sec execute 13 sec latency 21378.098 ms Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 14 sec latency 22390.612 ms 1 501 0.00 MB/sec execute 15 sec latency 23391.024 ms 1 501 0.00 MB/sec execute 16 sec latency 24391.391 ms 1 501 0.00 MB/sec execute 17 sec latency 25392.130 ms 1 501 0.00 MB/sec execute 18 sec latency 26392.337 ms 1 501 0.00 MB/sec execute 19 sec latency 27393.112 ms 1 501 0.00 MB/sec execute 20 sec latency 28393.274 ms 1 501 0.00 MB/sec execute 21 sec latency 29393.529 ms 1 501 0.00 MB/sec execute 22 sec latency 30393.688 ms 1 501 0.00 MB/sec execute 23 sec latency 31395.306 ms 1 501 0.00 MB/sec execute 24 sec latency 32395.771 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 25 sec latency 33396.008 ms Started lustre-MDT0000 1 501 0.00 MB/sec execute 26 sec latency 34403.054 ms 1 501 0.00 MB/sec execute 27 sec latency 35406.498 ms 1 501 0.00 MB/sec execute 28 sec latency 36407.565 ms 1 543 0.06 MB/sec execute 29 sec latency 36493.900 ms 1 649 0.12 MB/sec execute 30 sec latency 88.370 ms 1 699 0.12 MB/sec execute 31 sec latency 72.283 ms 1 735 0.12 MB/sec execute 32 sec latency 169.532 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 793 0.12 MB/sec execute 33 sec latency 101.993 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 857 0.12 MB/sec execute 34 sec latency 109.450 ms 1 897 0.12 MB/sec execute 35 sec latency 132.133 ms 1 936 0.12 MB/sec execute 36 sec latency 81.459 ms 1 990 0.12 MB/sec execute 37 sec latency 67.843 ms 1 1082 0.14 MB/sec execute 38 sec latency 75.161 ms 1 1155 0.14 MB/sec execute 39 sec latency 66.638 ms 1 1221 0.14 MB/sec execute 40 sec latency 77.831 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2240 1285448 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2064 1285624 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44272 3559808 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10728 3594636 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55000 7154444 1% /mnt/lustre 1 1274 0.14 MB/sec execute 41 sec latency 68.225 ms 1 1421 0.20 MB/sec execute 42 sec latency 93.067 ms 1 1492 0.20 MB/sec execute 43 sec latency 62.538 ms 1 1552 0.20 MB/sec execute 44 sec latency 84.370 ms 1 1590 0.19 MB/sec execute 45 sec latency 555.330 ms 1 1612 0.19 MB/sec execute 46 sec latency 1132.778 ms 1 1675 0.19 MB/sec execute 47 sec latency 120.957 ms 1 1762 0.18 MB/sec execute 48 sec latency 81.304 ms test_26 fail mds2 2 times 1 1823 0.18 MB/sec execute 49 sec latency 90.048 ms 1 1888 0.18 MB/sec execute 50 sec latency 68.552 ms Failing mds2 on oleg324-server Stopping /mnt/lustre-mds2 (opts:) on oleg324-server 1 1982 0.18 MB/sec execute 51 sec latency 67.352 ms 1 2024 0.17 MB/sec execute 52 sec latency 328.049 ms 1 2024 0.17 MB/sec execute 53 sec latency 1328.258 ms reboot facets: mds2 1 2024 0.17 MB/sec execute 54 sec latency 2328.422 ms 1 2024 0.16 MB/sec execute 55 sec latency 3330.984 ms 1 2024 0.16 MB/sec execute 56 sec latency 4331.165 ms 1 2024 0.16 MB/sec execute 57 sec latency 5331.790 ms 1 2024 0.16 MB/sec execute 58 sec latency 6334.750 ms 1 2024 0.15 MB/sec execute 59 sec latency 7334.926 ms 1 2024 0.15 MB/sec execute 60 sec latency 8335.216 ms 1 2024 0.15 MB/sec execute 61 sec latency 9335.653 ms 1 2024 0.15 MB/sec execute 62 sec latency 10336.373 ms 1 2024 0.14 MB/sec execute 63 sec latency 11337.953 ms Failover mds2 to oleg324-server 1 2024 0.14 MB/sec execute 64 sec latency 12338.152 ms 1 2024 0.14 MB/sec execute 65 sec latency 13338.479 ms mount facets: mds2 1 2024 0.14 MB/sec execute 66 sec latency 14338.681 ms 1 2024 0.14 MB/sec execute 67 sec latency 15344.313 ms 1 2024 0.13 MB/sec execute 68 sec latency 16345.707 ms 1 2024 0.13 MB/sec execute 69 sec latency 17346.441 ms 1 2024 0.13 MB/sec execute 70 sec latency 18347.244 ms 1 2024 0.13 MB/sec execute 71 sec latency 19347.483 ms 1 2024 0.13 MB/sec execute 72 sec latency 20348.085 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2024 0.12 MB/sec execute 73 sec latency 21348.279 ms 1 2024 0.12 MB/sec execute 74 sec latency 22348.673 ms 1 2024 0.12 MB/sec execute 75 sec latency 23349.727 ms 1 2024 0.12 MB/sec execute 76 sec latency 24351.257 ms 1 2024 0.12 MB/sec execute 77 sec latency 25351.953 ms 1 2024 0.12 MB/sec execute 78 sec latency 26356.334 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 8 1 2024 0.11 MB/sec execute 79 sec latency 27357.023 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 2024 0.11 MB/sec execute 80 sec latency 28357.320 ms Started lustre-MDT0001 1 2024 0.11 MB/sec execute 81 sec latency 29361.055 ms 1 2069 0.11 MB/sec execute 82 sec latency 29719.267 ms 1 2150 0.11 MB/sec execute 83 sec latency 75.931 ms 1 2204 0.11 MB/sec execute 84 sec latency 85.592 ms 1 2291 0.12 MB/sec execute 85 sec latency 123.628 ms 1 2345 0.12 MB/sec execute 86 sec latency 133.518 ms 1 2377 0.12 MB/sec execute 87 sec latency 116.938 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2416 0.12 MB/sec execute 88 sec latency 107.749 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2454 0.12 MB/sec execute 89 sec latency 104.687 ms 1 2498 0.12 MB/sec execute 90 sec latency 101.050 ms 1 2593 0.13 MB/sec execute 91 sec latency 67.651 ms 1 2768 0.16 MB/sec execute 92 sec latency 67.750 ms 1 2904 0.16 MB/sec execute 93 sec latency 82.416 ms 1 2987 0.17 MB/sec execute 94 sec latency 72.864 ms 1 3026 0.17 MB/sec execute 95 sec latency 95.763 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2616 1285072 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2412 1285276 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 56960 3546824 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12804 3593284 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69764 7140108 1% /mnt/lustre 1 3256 0.18 MB/sec execute 96 sec latency 112.505 ms 1 3352 0.18 MB/sec execute 97 sec latency 62.989 ms 1 3496 0.21 MB/sec execute 98 sec latency 82.641 ms 1 3563 0.21 MB/sec execute 99 sec latency 69.634 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 461 184.165 36493.875 Close 385 12.564 1132.755 Rename 23 60.455 107.727 Unlink 57 19.697 43.430 Qpathinfo 448 12.664 77.811 Qfileinfo 110 1.586 13.943 Qfsinfo 88 2.130 21.575 Sfileinfo 50 36.259 133.505 Find 189 8.661 47.772 WriteX 342 11.214 112.347 ReadX 928 0.728 104.886 LockX 2 11.783 13.443 UnlockX 2 12.118 13.799 Flush 43 49.680 132.118 Throughput 0.21139 MB/sec 1 clients 1 procs max_latency=36493.900 ms stopping dbench on /mnt/lustre at Tue Apr 14 17:33:51 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished test_26 fail mds1 3 times striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench Failing mds1 on oleg324-server Stopping /mnt/lustre-mds1 (opts:) on oleg324-server reboot facets: mds1 Failover mds1 to oleg324-server mount facets: mds1 Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 Started lustre-MDT0000 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 Tue Apr 14 17:34:35 EDT 2026 waiting for dbench pid 69740 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 oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 31 1.05 MB/sec warmup 1 sec latency 75.207 ms 1 111 2.62 MB/sec warmup 2 sec latency 107.311 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 140 2.00 MB/sec warmup 3 sec latency 130.107 ms 1 176 1.76 MB/sec warmup 4 sec latency 140.211 ms 1 223 1.72 MB/sec warmup 5 sec latency 103.974 ms 1 258 1.61 MB/sec warmup 6 sec latency 154.021 ms 1 302 1.58 MB/sec warmup 7 sec latency 116.600 ms 1 346 1.55 MB/sec warmup 8 sec latency 96.073 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2984 1284704 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2768 1284920 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 47264 3556872 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 6560 3595212 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 53824 7152084 1% /mnt/lustre 1 390 1.53 MB/sec warmup 9 sec latency 100.649 ms 1 437 1.54 MB/sec warmup 10 sec latency 101.595 ms 1 478 1.51 MB/sec warmup 11 sec latency 110.921 ms 1 522 1.50 MB/sec warmup 12 sec latency 113.137 ms 1 639 1.62 MB/sec warmup 13 sec latency 91.934 ms 1 655 1.50 MB/sec warmup 14 sec latency 749.643 ms 1 699 1.41 MB/sec warmup 15 sec latency 991.042 ms 1 740 1.33 MB/sec warmup 16 sec latency 95.811 ms 1 803 1.26 MB/sec warmup 17 sec latency 63.057 ms test_26 fail mds2 4 times 1 865 1.20 MB/sec warmup 18 sec latency 98.033 ms 1 902 1.14 MB/sec warmup 19 sec latency 96.071 ms Failing mds2 on oleg324-server Stopping /mnt/lustre-mds2 (opts:) on oleg324-server 1 985 0.13 MB/sec execute 1 sec latency 107.422 ms 1 985 0.06 MB/sec execute 2 sec latency 1092.555 ms reboot facets: mds2 1 985 0.04 MB/sec execute 3 sec latency 2092.814 ms 1 985 0.03 MB/sec execute 4 sec latency 3093.116 ms 1 985 0.03 MB/sec execute 5 sec latency 4093.468 ms 1 985 0.02 MB/sec execute 6 sec latency 5093.668 ms 1 985 0.02 MB/sec execute 7 sec latency 6093.934 ms 1 985 0.02 MB/sec execute 8 sec latency 7094.420 ms 1 985 0.01 MB/sec execute 9 sec latency 8094.564 ms 1 985 0.01 MB/sec execute 10 sec latency 9094.712 ms 1 985 0.01 MB/sec execute 11 sec latency 10096.466 ms 1 985 0.01 MB/sec execute 12 sec latency 11101.057 ms Failover mds2 to oleg324-server 1 985 0.01 MB/sec execute 13 sec latency 12101.499 ms 1 985 0.01 MB/sec execute 14 sec latency 13101.870 ms mount facets: mds2 1 985 0.01 MB/sec execute 15 sec latency 14102.728 ms 1 985 0.01 MB/sec execute 16 sec latency 15102.936 ms 1 985 0.01 MB/sec execute 17 sec latency 16103.184 ms 1 985 0.01 MB/sec execute 18 sec latency 17103.361 ms 1 985 0.01 MB/sec execute 19 sec latency 18103.787 ms 1 985 0.01 MB/sec execute 20 sec latency 19106.118 ms 1 985 0.01 MB/sec execute 21 sec latency 20106.980 ms Starting mds2: -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 985 0.01 MB/sec execute 22 sec latency 21107.240 ms 1 985 0.01 MB/sec execute 23 sec latency 22107.886 ms 1 985 0.01 MB/sec execute 24 sec latency 23108.064 ms 1 985 0.01 MB/sec execute 25 sec latency 24108.295 ms 1 985 0.00 MB/sec execute 26 sec latency 25108.605 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 8 1 985 0.00 MB/sec execute 27 sec latency 26109.984 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 985 0.00 MB/sec execute 28 sec latency 27110.646 ms Started lustre-MDT0001 1 985 0.00 MB/sec execute 29 sec latency 28111.280 ms 1 985 0.00 MB/sec execute 30 sec latency 29111.413 ms 1 1028 0.04 MB/sec execute 31 sec latency 29463.283 ms 1 1095 0.04 MB/sec execute 32 sec latency 76.294 ms 1 1156 0.04 MB/sec execute 33 sec latency 96.465 ms 1 1207 0.04 MB/sec execute 34 sec latency 80.076 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1251 0.04 MB/sec execute 35 sec latency 95.427 ms 1 1389 0.12 MB/sec execute 36 sec latency 99.111 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1429 0.11 MB/sec execute 37 sec latency 141.883 ms 1 1492 0.11 MB/sec execute 38 sec latency 81.849 ms 1 1560 0.11 MB/sec execute 39 sec latency 63.821 ms 1 1613 0.11 MB/sec execute 40 sec latency 69.510 ms 1 1686 0.11 MB/sec execute 41 sec latency 77.162 ms 1 1773 0.11 MB/sec execute 42 sec latency 72.241 ms 1 1855 0.11 MB/sec execute 43 sec latency 59.868 ms 1 1950 0.11 MB/sec execute 44 sec latency 60.715 ms 1 2012 0.11 MB/sec execute 45 sec latency 75.363 ms 1 2089 0.11 MB/sec execute 46 sec latency 73.910 ms 1 2168 0.11 MB/sec execute 47 sec latency 58.042 ms 1 2259 0.10 MB/sec execute 48 sec latency 70.568 ms 1 2353 0.12 MB/sec execute 49 sec latency 89.413 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 2396 0.12 MB/sec execute 50 sec latency 83.571 ms 1 2439 0.12 MB/sec execute 51 sec latency 71.706 ms 1 2489 0.13 MB/sec execute 52 sec latency 95.674 ms 1 2583 0.14 MB/sec execute 53 sec latency 78.225 ms 1 2760 0.19 MB/sec execute 54 sec latency 65.260 ms 1 2896 0.20 MB/sec execute 55 sec latency 131.628 ms 1 2967 0.21 MB/sec execute 56 sec latency 184.288 ms 1 3015 0.21 MB/sec execute 57 sec latency 109.304 ms 1 3210 0.22 MB/sec execute 58 sec latency 153.402 ms 1 3329 0.23 MB/sec execute 59 sec latency 62.666 ms 1 3391 0.23 MB/sec execute 60 sec latency 64.895 ms 1 3563 0.27 MB/sec execute 61 sec latency 52.481 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Apr 14 17:35:57 EDT 2026 with return code 0 69740 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 69740 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished