== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:24:02 (1788513842) Starting client oleg131-client.virtnet: -o user_xattr,flock 192.168.201.131@tcp:/lustre /mnt/lustre Started clients oleg131-client.virtnet: 192.168.201.131@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 65689 Started dbench loop with 65690 striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush2 /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 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1744 1269560 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3597140 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202616 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 Sep 4 05:24:10 EDT 2026 waiting for dbench pid 65778 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 0 5 0.00 MB/sec warmup 1 sec latency 108.539 ms 1 42 0.79 MB/sec warmup 2 sec latency 129.086 ms 1 83 1.24 MB/sec warmup 3 sec latency 222.556 ms 1 111 1.31 MB/sec warmup 4 sec latency 177.832 ms 1 137 1.20 MB/sec warmup 5 sec latency 338.395 ms 1 164 1.13 MB/sec warmup 6 sec latency 389.928 ms 1 184 1.05 MB/sec warmup 7 sec latency 164.454 ms 1 199 0.98 MB/sec warmup 8 sec latency 539.964 ms 1 231 0.98 MB/sec warmup 9 sec latency 159.512 ms test_26 fail mds1 1 times 1 264 0.99 MB/sec warmup 10 sec latency 190.313 ms 1 290 0.97 MB/sec warmup 11 sec latency 191.295 ms Failing mds1 on oleg131-server 1 315 0.95 MB/sec warmup 12 sec latency 155.957 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 341 0.94 MB/sec warmup 13 sec latency 178.031 ms 1 379 0.96 MB/sec warmup 14 sec latency 236.065 ms 1 381 0.90 MB/sec warmup 15 sec latency 951.600 ms 1 381 0.85 MB/sec warmup 16 sec latency 1951.810 ms 05:24:27 (1788513867) shut down facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 381 0.80 MB/sec warmup 17 sec latency 2952.006 ms 1 381 0.75 MB/sec warmup 18 sec latency 3952.216 ms 1 381 0.71 MB/sec warmup 19 sec latency 4952.688 ms 1 381 0.00 MB/sec execute 1 sec latency 6954.237 ms 1 381 0.00 MB/sec execute 2 sec latency 7955.383 ms 1 381 0.00 MB/sec execute 3 sec latency 8955.518 ms 1 381 0.00 MB/sec execute 4 sec latency 9956.394 ms 1 381 0.00 MB/sec execute 5 sec latency 10956.725 ms 1 381 0.00 MB/sec execute 6 sec latency 11961.601 ms 1 381 0.00 MB/sec execute 7 sec latency 12962.065 ms Failover mds1 to oleg131-server mount facets: mds1 1 381 0.00 MB/sec execute 8 sec latency 13962.990 ms 1 381 0.00 MB/sec execute 9 sec latency 14963.207 ms 1 381 0.00 MB/sec execute 10 sec latency 15963.470 ms 1 381 0.00 MB/sec execute 11 sec latency 16964.271 ms 1 381 0.00 MB/sec execute 12 sec latency 17964.569 ms 1 381 0.00 MB/sec execute 13 sec latency 18964.903 ms 1 381 0.00 MB/sec execute 14 sec latency 19965.659 ms 1 381 0.00 MB/sec execute 15 sec latency 20966.021 ms 1 381 0.00 MB/sec execute 16 sec latency 21967.308 ms 1 381 0.00 MB/sec execute 17 sec latency 22971.021 ms 1 381 0.00 MB/sec execute 18 sec latency 23971.311 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 381 0.00 MB/sec execute 19 sec latency 24974.993 ms 1 381 0.00 MB/sec execute 20 sec latency 25976.237 ms 1 381 0.00 MB/sec execute 21 sec latency 26977.047 ms 1 381 0.00 MB/sec execute 22 sec latency 27981.793 ms 1 381 0.00 MB/sec execute 23 sec latency 28982.152 ms 1 381 0.00 MB/sec execute 24 sec latency 29982.438 ms 1 381 0.00 MB/sec execute 25 sec latency 30982.706 ms 1 381 0.00 MB/sec execute 26 sec latency 31986.056 ms 1 381 0.00 MB/sec execute 27 sec latency 32986.785 ms 1 381 0.00 MB/sec execute 28 sec latency 33987.049 ms 1 381 0.00 MB/sec execute 29 sec latency 34989.213 ms 1 381 0.00 MB/sec execute 30 sec latency 35989.494 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 381 0.00 MB/sec execute 31 sec latency 36996.394 ms 1 381 0.00 MB/sec execute 32 sec latency 37996.582 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 382 0.00 MB/sec execute 33 sec latency 38991.701 ms Started lustre-MDT0000 1 413 0.03 MB/sec execute 34 sec latency 182.584 ms 05:25:05 (1788513905) targets are mounted 05:25:05 (1788513905) facet_failover done 1 443 0.06 MB/sec execute 35 sec latency 155.631 ms 1 470 0.08 MB/sec execute 36 sec latency 168.691 ms 1 501 0.11 MB/sec execute 37 sec latency 150.392 ms 1 514 0.11 MB/sec execute 38 sec latency 307.938 ms 1 552 0.14 MB/sec execute 39 sec latency 221.110 ms 1 616 0.19 MB/sec execute 40 sec latency 408.692 ms 1 655 0.18 MB/sec execute 41 sec latency 238.033 ms 1 678 0.18 MB/sec execute 42 sec latency 178.475 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 699 0.18 MB/sec execute 43 sec latency 163.849 ms 1 726 0.18 MB/sec execute 44 sec latency 220.336 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.17 MB/sec execute 45 sec latency 201.516 ms 1 767 0.17 MB/sec execute 46 sec latency 178.094 ms 1 786 0.17 MB/sec execute 47 sec latency 245.697 ms 1 806 0.16 MB/sec execute 48 sec latency 158.277 ms 1 848 0.16 MB/sec execute 49 sec latency 157.199 ms 1 873 0.16 MB/sec execute 50 sec latency 152.914 ms 1 898 0.16 MB/sec execute 51 sec latency 167.473 ms 1 926 0.16 MB/sec execute 52 sec latency 132.243 ms 1 958 0.16 MB/sec execute 53 sec latency 115.833 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2080 1269224 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1896 1269408 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34600 3566952 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17200 3582492 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 51800 7149444 1% /mnt/lustre 1 980 0.15 MB/sec execute 54 sec latency 197.092 ms 1 1000 0.15 MB/sec execute 55 sec latency 138.088 ms 1 1055 0.17 MB/sec execute 56 sec latency 125.104 ms 1 1084 0.16 MB/sec execute 57 sec latency 156.388 ms 1 1128 0.16 MB/sec execute 58 sec latency 109.685 ms 1 1154 0.16 MB/sec execute 59 sec latency 323.261 ms 1 1172 0.16 MB/sec execute 60 sec latency 462.359 ms 1 1172 0.15 MB/sec execute 61 sec latency 1464.372 ms 1 1193 0.15 MB/sec execute 62 sec latency 1689.941 ms 1 1223 0.15 MB/sec execute 63 sec latency 95.835 ms 1 1251 0.15 MB/sec execute 64 sec latency 150.469 ms 1 1275 0.15 MB/sec execute 65 sec latency 112.246 ms test_26 fail mds2 2 times 1 1395 0.19 MB/sec execute 66 sec latency 80.180 ms 1 1410 0.19 MB/sec execute 67 sec latency 176.886 ms 1 1426 0.18 MB/sec execute 68 sec latency 185.770 ms 1 1457 0.18 MB/sec execute 69 sec latency 143.214 ms Failing mds2 on oleg131-server 1 1488 0.18 MB/sec execute 70 sec latency 138.646 ms Stopping /mnt/lustre-mds2 (opts:) on oleg131-server 1 1512 0.18 MB/sec execute 71 sec latency 158.666 ms 1 1552 0.17 MB/sec execute 72 sec latency 213.487 ms 1 1603 0.17 MB/sec execute 73 sec latency 83.628 ms 1 1646 0.17 MB/sec execute 74 sec latency 188.345 ms 1 1660 0.17 MB/sec execute 75 sec latency 202.386 ms 05:25:46 (1788513946) shut down facet: mds2 facet_host: oleg131-server facet_failover_host: oleg131-server 1 1696 0.17 MB/sec execute 76 sec latency 161.026 ms 1 1769 0.16 MB/sec execute 77 sec latency 94.737 ms 1 1832 0.16 MB/sec execute 78 sec latency 95.934 ms 1 1881 0.16 MB/sec execute 79 sec latency 103.537 ms 1 1926 0.16 MB/sec execute 80 sec latency 190.991 ms 1 1996 0.16 MB/sec execute 81 sec latency 91.623 ms 1 2043 0.16 MB/sec execute 82 sec latency 90.474 ms 1 2107 0.16 MB/sec execute 83 sec latency 124.542 ms 1 2160 0.16 MB/sec execute 84 sec latency 94.849 ms 1 2221 0.15 MB/sec execute 85 sec latency 88.745 ms Failover mds2 to oleg131-server 1 2259 0.15 MB/sec execute 86 sec latency 404.780 ms mount facets: mds2 1 2259 0.15 MB/sec execute 87 sec latency 1405.530 ms 1 2259 0.15 MB/sec execute 88 sec latency 2405.810 ms 1 2259 0.15 MB/sec execute 89 sec latency 3406.324 ms 1 2259 0.15 MB/sec execute 90 sec latency 4406.562 ms 1 2259 0.14 MB/sec execute 91 sec latency 5407.092 ms 1 2259 0.14 MB/sec execute 92 sec latency 6407.409 ms 1 2259 0.14 MB/sec execute 93 sec latency 7407.572 ms 1 2259 0.14 MB/sec execute 94 sec latency 8407.795 ms 1 2259 0.14 MB/sec execute 95 sec latency 9408.364 ms 1 2259 0.14 MB/sec execute 96 sec latency 10411.917 ms 1 2259 0.14 MB/sec execute 97 sec latency 11412.327 ms 1 2259 0.13 MB/sec execute 98 sec latency 12413.797 ms 1 2259 0.13 MB/sec execute 99 sec latency 13414.081 ms 1 cleanup 100 sec 1 cleanup 101 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 cleanup 109 sec pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 cleanup 110 sec Started lustre-MDT0001 05:26:21 (1788513981) targets are mounted 05:26:21 (1788513981) facet_failover done 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec 0 cleanup 114 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 262.626 38991.683 Close 291 16.849 55.385 Rename 11 142.966 323.236 Unlink 30 36.671 87.771 Qpathinfo 295 19.688 128.591 Qfileinfo 84 2.459 24.557 Qfsinfo 33 5.084 31.000 Sfileinfo 34 88.088 201.500 Find 92 15.930 69.811 WriteX 296 17.191 158.644 ReadX 348 3.207 112.572 Flush 30 71.529 178.449 Throughput 0.133215 MB/sec 1 clients 1 procs max_latency=38991.701 ms stopping dbench on /mnt/lustre at Fri Sep 4 05:26:24 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 oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-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 Fri Sep 4 05:26:35 EDT 2026 waiting for dbench pid 67847 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 54.213 ms 1 90 2.10 MB/sec warmup 2 sec latency 180.997 ms 1 124 1.83 MB/sec warmup 3 sec latency 191.088 ms 1 150 1.57 MB/sec warmup 4 sec latency 199.912 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2364 1268940 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2140 1269164 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26524 3579192 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20728 3585852 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47252 7165044 1% /mnt/lustre 1 173 1.41 MB/sec warmup 5 sec latency 250.356 ms 1 190 1.26 MB/sec warmup 6 sec latency 293.301 ms 1 221 1.22 MB/sec warmup 7 sec latency 149.945 ms 1 247 1.17 MB/sec warmup 8 sec latency 180.229 ms 1 268 1.11 MB/sec warmup 9 sec latency 234.577 ms 1 289 1.07 MB/sec warmup 10 sec latency 175.871 ms 1 315 1.04 MB/sec warmup 11 sec latency 148.160 ms 1 339 1.02 MB/sec warmup 12 sec latency 575.454 ms 1 341 0.94 MB/sec warmup 13 sec latency 1451.778 ms 1 368 0.93 MB/sec warmup 14 sec latency 253.410 ms 1 411 0.97 MB/sec warmup 15 sec latency 92.173 ms 1 453 0.99 MB/sec warmup 16 sec latency 122.311 ms test_26 fail mds1 3 times 1 478 0.98 MB/sec warmup 17 sec latency 206.141 ms 1 506 0.97 MB/sec warmup 18 sec latency 138.810 ms Failing mds1 on oleg131-server 1 536 0.98 MB/sec warmup 19 sec latency 186.528 ms Stopping /mnt/lustre-mds1 (opts:) on oleg131-server 1 660 0.18 MB/sec execute 1 sec latency 101.342 ms 1 661 0.09 MB/sec execute 2 sec latency 999.307 ms 1 661 0.06 MB/sec execute 3 sec latency 1999.567 ms 1 661 0.04 MB/sec execute 4 sec latency 3000.133 ms 1 661 0.04 MB/sec execute 5 sec latency 4000.450 ms 1 661 0.03 MB/sec execute 6 sec latency 5002.467 ms 1 661 0.03 MB/sec execute 7 sec latency 6003.359 ms 1 661 0.02 MB/sec execute 8 sec latency 7003.563 ms 1 661 0.02 MB/sec execute 9 sec latency 8006.089 ms 05:27:05 (1788514025) shut down facet: mds1 facet_host: oleg131-server facet_failover_host: oleg131-server 1 661 0.02 MB/sec execute 10 sec latency 9007.297 ms 1 661 0.02 MB/sec execute 11 sec latency 10007.608 ms 1 661 0.01 MB/sec execute 12 sec latency 11010.966 ms 1 661 0.01 MB/sec execute 13 sec latency 12012.635 ms 1 661 0.01 MB/sec execute 14 sec latency 13014.175 ms 1 661 0.01 MB/sec execute 15 sec latency 14015.191 ms 1 661 0.01 MB/sec execute 16 sec latency 15015.662 ms 1 661 0.01 MB/sec execute 17 sec latency 16015.964 ms 1 661 0.01 MB/sec execute 18 sec latency 17016.319 ms 1 661 0.01 MB/sec execute 19 sec latency 18016.626 ms Failover mds1 to oleg131-server mount facets: mds1 1 661 0.01 MB/sec execute 20 sec latency 19017.927 ms 1 661 0.01 MB/sec execute 21 sec latency 20018.238 ms 1 661 0.01 MB/sec execute 22 sec latency 21023.872 ms 1 661 0.01 MB/sec execute 23 sec latency 22024.334 ms 1 661 0.01 MB/sec execute 24 sec latency 23025.355 ms 1 661 0.01 MB/sec execute 25 sec latency 24026.065 ms 1 661 0.01 MB/sec execute 26 sec latency 25026.642 ms 1 661 0.01 MB/sec execute 27 sec latency 26027.087 ms 1 661 0.01 MB/sec execute 28 sec latency 27027.632 ms 1 661 0.01 MB/sec execute 29 sec latency 28027.942 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 661 0.01 MB/sec execute 30 sec latency 29028.201 ms 1 661 0.01 MB/sec execute 31 sec latency 30028.634 ms 1 661 0.01 MB/sec execute 32 sec latency 31028.903 ms 1 661 0.01 MB/sec execute 33 sec latency 32029.286 ms 1 661 0.01 MB/sec execute 34 sec latency 33029.820 ms 1 661 0.01 MB/sec execute 35 sec latency 34030.144 ms 1 661 0.00 MB/sec execute 36 sec latency 35030.432 ms 1 661 0.00 MB/sec execute 37 sec latency 36031.244 ms 1 661 0.00 MB/sec execute 38 sec latency 37031.757 ms 1 661 0.00 MB/sec execute 39 sec latency 38032.092 ms 1 661 0.00 MB/sec execute 40 sec latency 39033.642 ms 1 661 0.00 MB/sec execute 41 sec latency 40036.351 ms 1 661 0.00 MB/sec execute 42 sec latency 41036.814 ms oleg131-server: oleg131-server.virtnet: executing set_default_debug -1 all 1 661 0.00 MB/sec execute 43 sec latency 42037.946 ms pdsh@oleg131-client: oleg131-server: ssh exited with exit code 1 1 661 0.00 MB/sec execute 44 sec latency 43039.191 ms Started lustre-MDT0000 05:27:41 (1788514061) targets are mounted 1 678 0.00 MB/sec execute 45 sec latency 43387.896 ms 05:27:41 (1788514061) facet_failover done 1 723 0.01 MB/sec execute 46 sec latency 106.053 ms 1 747 0.01 MB/sec execute 47 sec latency 129.930 ms 1 778 0.01 MB/sec execute 48 sec latency 177.885 ms 1 804 0.01 MB/sec execute 49 sec latency 154.578 ms 1 850 0.01 MB/sec execute 50 sec latency 139.974 ms 1 882 0.01 MB/sec execute 51 sec latency 193.048 ms 1 884 0.01 MB/sec execute 52 sec latency 959.410 ms oleg131-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 892 0.01 MB/sec execute 53 sec latency 1486.629 ms 1 918 0.01 MB/sec execute 54 sec latency 135.288 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 949 0.02 MB/sec execute 55 sec latency 140.037 ms 1 980 0.02 MB/sec execute 56 sec latency 179.343 ms 1 1018 0.02 MB/sec execute 57 sec latency 127.989 ms 1 1077 0.03 MB/sec execute 58 sec latency 78.590 ms 1 1127 0.03 MB/sec execute 59 sec latency 99.417 ms 1 1174 0.03 MB/sec execute 60 sec latency 80.737 ms 1 1214 0.03 MB/sec execute 61 sec latency 108.348 ms 1 1244 0.03 MB/sec execute 62 sec latency 96.672 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1377 0.08 MB/sec execute 63 sec latency 103.289 ms 1 1415 0.08 MB/sec execute 64 sec latency 103.660 ms 1 1455 0.08 MB/sec execute 65 sec latency 111.332 ms 1 1492 0.08 MB/sec execute 66 sec latency 232.335 ms 1 1537 0.08 MB/sec execute 67 sec latency 98.082 ms 1 1577 0.08 MB/sec execute 68 sec latency 96.866 ms 1 1613 0.08 MB/sec execute 69 sec latency 88.357 ms 1 1655 0.07 MB/sec execute 70 sec latency 142.929 ms 1 1686 0.07 MB/sec execute 71 sec latency 246.813 ms 1 1738 0.07 MB/sec execute 72 sec latency 136.370 ms 1 1805 0.07 MB/sec execute 73 sec latency 98.451 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 05:28:09 EDT 2026 with return code 0 67847 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67847 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished