== replay-dual test 26: dbench and tar with mds failover ========================================================== 03:44:00 (1787384640) Starting client oleg651-client.virtnet: -o user_xattr,flock 192.168.206.151@tcp:/lustre /mnt/lustre Started clients oleg651-client.virtnet: 192.168.206.151@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65595 Started dbench loop with 65596 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1980 1269324 1% /mnt/lustre[MDT:0] '/usr/share/dbench/client.txt' -> 'client.txt' lustre-MDT0001_UUID 1414116 1792 1269512 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3580748 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7186224 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Aug 22 03:44:05 EDT 2026 waiting for dbench pid 65652 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 40 1.44 MB/sec warmup 1 sec latency 85.287 ms 1 111 2.62 MB/sec warmup 2 sec latency 125.296 ms 1 137 2.01 MB/sec warmup 3 sec latency 204.611 ms 1 173 1.76 MB/sec warmup 4 sec latency 150.528 ms 1 197 1.57 MB/sec warmup 5 sec latency 481.075 ms 1 231 1.48 MB/sec warmup 6 sec latency 121.697 ms 1 279 1.49 MB/sec warmup 7 sec latency 105.460 ms 1 324 1.47 MB/sec warmup 8 sec latency 114.992 ms test_26 fail mds1 1 times 1 382 1.51 MB/sec warmup 9 sec latency 92.066 ms 1 429 1.51 MB/sec warmup 10 sec latency 136.944 ms Failing mds1 on oleg651-server 1 483 1.53 MB/sec warmup 11 sec latency 104.276 ms Stopping /mnt/lustre-mds1 (opts:) on oleg651-server 1 512 1.48 MB/sec warmup 12 sec latency 185.478 ms 1 521 1.39 MB/sec warmup 13 sec latency 739.121 ms 1 521 1.29 MB/sec warmup 14 sec latency 1739.659 ms 03:44:20 (1787384660) shut down facet: mds1 facet_host: oleg651-server facet_failover_host: oleg651-server 1 521 1.20 MB/sec warmup 15 sec latency 2740.522 ms 1 521 1.13 MB/sec warmup 16 sec latency 3740.688 ms 1 521 1.06 MB/sec warmup 17 sec latency 4740.867 ms 1 521 1.00 MB/sec warmup 18 sec latency 5741.109 ms 1 521 0.95 MB/sec warmup 19 sec latency 6741.303 ms 1 521 0.00 MB/sec execute 1 sec latency 8741.935 ms 1 521 0.00 MB/sec execute 2 sec latency 9742.220 ms 1 521 0.00 MB/sec execute 3 sec latency 10742.410 ms 1 521 0.00 MB/sec execute 4 sec latency 11742.810 ms Failover mds1 to oleg651-server mount facets: mds1 1 521 0.00 MB/sec execute 5 sec latency 12743.537 ms 1 521 0.00 MB/sec execute 6 sec latency 13744.405 ms 1 521 0.00 MB/sec execute 7 sec latency 14744.614 ms 1 521 0.00 MB/sec execute 8 sec latency 15749.997 ms 1 521 0.00 MB/sec execute 9 sec latency 16750.121 ms 1 521 0.00 MB/sec execute 10 sec latency 17750.596 ms 1 521 0.00 MB/sec execute 11 sec latency 18751.566 ms 1 521 0.00 MB/sec execute 12 sec latency 19751.848 ms 1 521 0.00 MB/sec execute 13 sec latency 20752.049 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 521 0.00 MB/sec execute 14 sec latency 21752.406 ms 1 521 0.00 MB/sec execute 15 sec latency 22754.082 ms 1 521 0.00 MB/sec execute 16 sec latency 23754.278 ms 1 521 0.00 MB/sec execute 17 sec latency 24754.404 ms 1 521 0.00 MB/sec execute 18 sec latency 25754.987 ms 1 521 0.00 MB/sec execute 19 sec latency 26756.358 ms 1 521 0.00 MB/sec execute 20 sec latency 27756.576 ms 1 521 0.00 MB/sec execute 21 sec latency 28756.822 ms 1 521 0.00 MB/sec execute 22 sec latency 29756.959 ms 1 521 0.00 MB/sec execute 23 sec latency 30757.798 ms 1 521 0.00 MB/sec execute 24 sec latency 31758.043 ms 1 521 0.00 MB/sec execute 25 sec latency 32758.249 ms 1 521 0.00 MB/sec execute 26 sec latency 33761.303 ms oleg651-server: oleg651-server.virtnet: executing set_default_debug -1 all 1 521 0.00 MB/sec execute 27 sec latency 34763.234 ms pdsh@oleg651-client: oleg651-server: ssh exited with exit code 1 1 521 0.00 MB/sec execute 28 sec latency 35763.498 ms Started lustre-MDT0000 03:44:54 (1787384694) targets are mounted 03:44:54 (1787384694) facet_failover done 1 521 0.00 MB/sec execute 29 sec latency 36763.948 ms 1 535 0.02 MB/sec execute 30 sec latency 37438.535 ms 1 584 0.06 MB/sec execute 31 sec latency 568.108 ms 1 653 0.09 MB/sec execute 32 sec latency 100.287 ms 1 699 0.10 MB/sec execute 33 sec latency 79.509 ms 1 735 0.10 MB/sec execute 34 sec latency 129.105 ms oleg651-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 789 0.10 MB/sec execute 35 sec latency 90.707 ms 1 845 0.10 MB/sec execute 36 sec latency 98.033 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 878 0.10 MB/sec execute 37 sec latency 149.726 ms 1 913 0.10 MB/sec execute 38 sec latency 154.094 ms 1 962 0.10 MB/sec execute 39 sec latency 182.216 ms 1 997 0.10 MB/sec execute 40 sec latency 94.766 ms 1 1083 0.12 MB/sec execute 41 sec latency 62.860 ms 1 1155 0.12 MB/sec execute 42 sec latency 87.727 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 36328 3568676 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19556 3585872 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55884 7154548 1% /mnt/lustre 1 1172 0.12 MB/sec execute 43 sec latency 733.965 ms 1 1219 0.11 MB/sec execute 44 sec latency 775.023 ms 1 1257 0.11 MB/sec execute 45 sec latency 99.349 ms 1 1396 0.17 MB/sec execute 46 sec latency 102.959 ms 1 1445 0.17 MB/sec execute 47 sec latency 95.466 ms 1 1481 0.17 MB/sec execute 48 sec latency 438.364 ms 1 1520 0.16 MB/sec execute 49 sec latency 529.871 ms 1 1593 0.16 MB/sec execute 50 sec latency 92.540 ms 1 1660 0.16 MB/sec execute 51 sec latency 74.147 ms test_26 fail mds2 2 times 1 1696 0.16 MB/sec execute 52 sec latency 132.095 ms Failing mds2 on oleg651-server 1 1766 0.16 MB/sec execute 53 sec latency 101.071 ms Stopping /mnt/lustre-mds2 (opts:) on oleg651-server 1 1814 0.15 MB/sec execute 54 sec latency 105.532 ms 1 1849 0.15 MB/sec execute 55 sec latency 360.813 ms 1 1849 0.15 MB/sec execute 56 sec latency 1361.082 ms 1 1849 0.15 MB/sec execute 57 sec latency 2361.504 ms 03:45:23 (1787384723) shut down facet: mds2 facet_host: oleg651-server facet_failover_host: oleg651-server 1 1849 0.14 MB/sec execute 58 sec latency 3363.480 ms 1 1849 0.14 MB/sec execute 59 sec latency 4363.666 ms 1 1849 0.14 MB/sec execute 60 sec latency 5364.228 ms 1 1849 0.14 MB/sec execute 61 sec latency 6364.440 ms 1 1849 0.13 MB/sec execute 62 sec latency 7364.630 ms 1 1849 0.13 MB/sec execute 63 sec latency 8365.584 ms 1 1849 0.13 MB/sec execute 64 sec latency 9366.837 ms 1 1849 0.13 MB/sec execute 65 sec latency 10368.305 ms 1 1849 0.13 MB/sec execute 66 sec latency 11368.484 ms 1 1849 0.12 MB/sec execute 67 sec latency 12371.143 ms Failover mds2 to oleg651-server mount facets: mds2 1 1849 0.12 MB/sec execute 68 sec latency 13371.505 ms 1 1849 0.12 MB/sec execute 69 sec latency 14374.406 ms 1 1849 0.12 MB/sec execute 70 sec latency 15374.624 ms 1 1849 0.12 MB/sec execute 71 sec latency 16374.968 ms 1 1849 0.12 MB/sec execute 72 sec latency 17375.347 ms 1 1849 0.11 MB/sec execute 73 sec latency 18375.590 ms 1 1849 0.11 MB/sec execute 74 sec latency 19376.122 ms 1 1849 0.11 MB/sec execute 75 sec latency 20376.616 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1849 0.11 MB/sec execute 76 sec latency 21376.891 ms 1 1849 0.11 MB/sec execute 77 sec latency 22377.083 ms 1 1849 0.11 MB/sec execute 78 sec latency 23379.099 ms 1 1849 0.11 MB/sec execute 79 sec latency 24379.336 ms 1 1849 0.10 MB/sec execute 80 sec latency 25380.548 ms oleg651-server: oleg651-server.virtnet: executing set_default_debug -1 all 1 1849 0.10 MB/sec execute 81 sec latency 26397.209 ms pdsh@oleg651-client: oleg651-server: ssh exited with exit code 1 1 1849 0.10 MB/sec execute 82 sec latency 27400.941 ms Started lustre-MDT0001 1 1849 0.10 MB/sec execute 83 sec latency 28407.446 ms 03:45:49 (1787384749) targets are mounted 03:45:49 (1787384749) facet_failover done 1 1851 0.10 MB/sec execute 84 sec latency 29380.803 ms 1 1888 0.10 MB/sec execute 85 sec latency 105.804 ms 1 1947 0.10 MB/sec execute 86 sec latency 127.176 ms 1 1980 0.10 MB/sec execute 87 sec latency 111.004 ms 1 2014 0.10 MB/sec execute 88 sec latency 132.704 ms 1 2063 0.10 MB/sec execute 89 sec latency 123.097 ms 1 2121 0.10 MB/sec execute 90 sec latency 114.378 ms oleg651-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2158 0.09 MB/sec execute 91 sec latency 125.992 ms 1 2185 0.09 MB/sec execute 92 sec latency 189.349 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2285 0.10 MB/sec execute 93 sec latency 131.755 ms 1 2345 0.10 MB/sec execute 94 sec latency 113.523 ms 1 2377 0.10 MB/sec execute 95 sec latency 103.477 ms 1 2412 0.10 MB/sec execute 96 sec latency 96.860 ms 1 2448 0.10 MB/sec execute 97 sec latency 114.481 ms 1 2490 0.11 MB/sec execute 98 sec latency 148.476 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2524 1268780 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2284 1269020 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 38452 3567728 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 31104 3574220 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69556 7141948 1% /mnt/lustre 1 2574 0.11 MB/sec execute 99 sec latency 85.065 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 358 132.846 29380.789 Close 306 134.289 37438.497 Rename 17 85.568 148.455 Unlink 40 27.712 54.637 Qpathinfo 349 14.824 107.436 Qfileinfo 80 2.592 24.606 Qfsinfo 44 2.659 15.521 Sfileinfo 50 56.536 182.202 Find 119 10.855 38.593 WriteX 261 12.091 73.848 ReadX 431 0.813 62.845 Flush 34 65.056 529.849 Throughput 0.109888 MB/sec 1 clients 1 procs max_latency=37438.535 ms stopping dbench on /mnt/lustre at Sat Aug 22 03:46:10 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 crush /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 oleg651-server Stopping /mnt/lustre-mds1 (opts:) on oleg651-server '/usr/share/dbench/client.txt' -> 'client.txt' 03:46:19 (1787384779) shut down facet: mds1 facet_host: oleg651-server facet_failover_host: oleg651-server Failover mds1 to oleg651-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg651-server: oleg651-server.virtnet: executing set_default_debug -1 all pdsh@oleg651-client: oleg651-server: ssh exited with exit code 1 Started lustre-MDT0000 03:46:51 (1787384811) targets are mounted 03:46:51 (1787384811) facet_failover done running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Aug 22 03:46:52 EDT 2026 waiting for dbench pid 68331 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 29 0.98 MB/sec warmup 1 sec latency 16.796 ms 1 98 2.23 MB/sec warmup 2 sec latency 91.679 ms 1 137 2.01 MB/sec warmup 3 sec latency 209.828 ms 1 165 1.70 MB/sec warmup 4 sec latency 172.250 ms oleg651-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 197 1.57 MB/sec warmup 5 sec latency 351.297 ms 1 240 1.52 MB/sec warmup 6 sec latency 126.793 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 289 1.53 MB/sec warmup 7 sec latency 103.560 ms 1 331 1.50 MB/sec warmup 8 sec latency 136.704 ms 1 381 1.51 MB/sec warmup 9 sec latency 107.064 ms 1 429 1.51 MB/sec warmup 10 sec latency 92.430 ms 1 477 1.52 MB/sec warmup 11 sec latency 128.085 ms 1 514 1.48 MB/sec warmup 12 sec latency 160.213 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2928 1268376 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2680 1268624 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 30620 3571544 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 27512 3573140 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58132 7144684 1% /mnt/lustre 1 594 1.58 MB/sec warmup 13 sec latency 118.901 ms 1 664 1.51 MB/sec warmup 14 sec latency 77.801 ms 1 699 1.41 MB/sec warmup 15 sec latency 108.494 ms 1 736 1.33 MB/sec warmup 16 sec latency 110.782 ms 1 778 1.26 MB/sec warmup 17 sec latency 116.547 ms 1 821 1.19 MB/sec warmup 18 sec latency 107.235 ms 1 878 1.14 MB/sec warmup 19 sec latency 96.151 ms 1 914 0.10 MB/sec execute 1 sec latency 1093.521 ms test_26 fail mds2 4 times 1 949 0.06 MB/sec execute 2 sec latency 105.469 ms 1 971 0.05 MB/sec execute 3 sec latency 141.718 ms Failing mds2 on oleg651-server 1 991 0.06 MB/sec execute 4 sec latency 133.875 ms Stopping /mnt/lustre-mds2 (opts:) on oleg651-server 1 1058 0.24 MB/sec execute 5 sec latency 117.756 ms 1 1112 0.22 MB/sec execute 6 sec latency 81.978 ms 1 1177 0.19 MB/sec execute 7 sec latency 62.088 ms 1 1233 0.18 MB/sec execute 8 sec latency 74.536 ms 1 1278 0.16 MB/sec execute 9 sec latency 216.067 ms 1 1278 0.15 MB/sec execute 10 sec latency 1216.175 ms 1 1278 0.13 MB/sec execute 11 sec latency 2219.808 ms 1 1278 0.12 MB/sec execute 12 sec latency 3220.328 ms 1 1278 0.11 MB/sec execute 13 sec latency 4223.260 ms 03:47:25 (1787384845) shut down facet: mds2 facet_host: oleg651-server facet_failover_host: oleg651-server 1 1278 0.10 MB/sec execute 14 sec latency 5224.132 ms 1 1278 0.10 MB/sec execute 15 sec latency 6224.368 ms 1 1278 0.09 MB/sec execute 16 sec latency 7224.557 ms 1 1278 0.09 MB/sec execute 17 sec latency 8224.744 ms 1 1278 0.08 MB/sec execute 18 sec latency 9225.928 ms 1 1278 0.08 MB/sec execute 19 sec latency 10226.101 ms 1 1278 0.07 MB/sec execute 20 sec latency 11226.272 ms 1 1278 0.07 MB/sec execute 21 sec latency 12226.999 ms 1 1278 0.07 MB/sec execute 22 sec latency 13228.920 ms 1 1278 0.06 MB/sec execute 23 sec latency 14230.711 ms Failover mds2 to oleg651-server mount facets: mds2 1 1278 0.06 MB/sec execute 24 sec latency 15231.377 ms 1 1278 0.06 MB/sec execute 25 sec latency 16237.322 ms 1 1278 0.06 MB/sec execute 26 sec latency 17237.449 ms 1 1278 0.05 MB/sec execute 27 sec latency 18238.775 ms 1 1278 0.05 MB/sec execute 28 sec latency 19238.965 ms 1 1278 0.05 MB/sec execute 29 sec latency 20250.461 ms 1 1278 0.05 MB/sec execute 30 sec latency 21250.780 ms 1 1278 0.05 MB/sec execute 31 sec latency 22250.967 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1278 0.05 MB/sec execute 32 sec latency 23251.168 ms 1 1278 0.04 MB/sec execute 33 sec latency 24251.530 ms 1 1278 0.04 MB/sec execute 34 sec latency 25251.675 ms 1 1278 0.04 MB/sec execute 35 sec latency 26251.902 ms 1 1278 0.04 MB/sec execute 36 sec latency 27252.082 ms oleg651-server: oleg651-server.virtnet: executing set_default_debug -1 all 1 1278 0.04 MB/sec execute 37 sec latency 28254.217 ms pdsh@oleg651-client: oleg651-server: ssh exited with exit code 1 1 1278 0.04 MB/sec execute 38 sec latency 29254.346 ms Started lustre-MDT0001 03:47:50 (1787384870) targets are mounted 03:47:50 (1787384870) facet_failover done 1 1278 0.04 MB/sec execute 39 sec latency 30256.225 ms 1 1378 0.11 MB/sec execute 40 sec latency 30998.202 ms 1 1422 0.11 MB/sec execute 41 sec latency 97.327 ms 1 1470 0.10 MB/sec execute 42 sec latency 246.280 ms 1 1532 0.10 MB/sec execute 43 sec latency 76.027 ms oleg651-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 1591 0.10 MB/sec execute 44 sec latency 82.677 ms 1 1641 0.10 MB/sec execute 45 sec latency 108.096 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1682 0.10 MB/sec execute 46 sec latency 106.099 ms 1 1721 0.10 MB/sec execute 47 sec latency 115.593 ms 1 1785 0.10 MB/sec execute 48 sec latency 91.397 ms 1 1855 0.10 MB/sec execute 49 sec latency 77.895 ms 1 1905 0.10 MB/sec execute 50 sec latency 121.517 ms 1 1980 0.09 MB/sec execute 51 sec latency 77.968 ms 1 2030 0.09 MB/sec execute 52 sec latency 71.434 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 2098 0.09 MB/sec execute 53 sec latency 98.566 ms 1 2162 0.09 MB/sec execute 54 sec latency 67.023 ms 1 2226 0.09 MB/sec execute 55 sec latency 102.020 ms 1 2324 0.11 MB/sec execute 56 sec latency 73.841 ms 1 2369 0.11 MB/sec execute 57 sec latency 89.635 ms 1 2405 0.11 MB/sec execute 58 sec latency 122.588 ms 1 2441 0.11 MB/sec execute 59 sec latency 136.436 ms 1 2488 0.12 MB/sec execute 60 sec latency 97.654 ms 1 2583 0.12 MB/sec execute 61 sec latency 96.489 ms 1 2754 0.17 MB/sec execute 62 sec latency 78.644 ms 1 2884 0.17 MB/sec execute 63 sec latency 91.939 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 03:48:15 EDT 2026 with return code 0 68331 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68331 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished