== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:35:39 (1789054539) Starting client oleg460-client.virtnet: -o user_xattr,flock 192.168.204.160@tcp:/lustre /mnt/lustre Started clients oleg460-client.virtnet: 192.168.204.160@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 65688 Started dbench loop with 65690 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /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 1992 1269312 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3597160 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202636 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 Thu Sep 10 11:35:48 EDT 2026 waiting for dbench pid 65772 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 7 0.00 MB/sec warmup 1 sec latency 18.366 ms 1 34 0.52 MB/sec warmup 2 sec latency 96.490 ms 1 72 1.04 MB/sec warmup 3 sec latency 143.083 ms 1 113 1.30 MB/sec warmup 4 sec latency 142.099 ms 1 147 1.25 MB/sec warmup 5 sec latency 149.039 ms 1 169 1.14 MB/sec warmup 6 sec latency 250.418 ms 1 184 1.05 MB/sec warmup 7 sec latency 597.343 ms 1 207 1.01 MB/sec warmup 8 sec latency 695.281 ms 1 247 1.04 MB/sec warmup 9 sec latency 121.327 ms test_26 fail mds1 1 times 1 287 1.07 MB/sec warmup 10 sec latency 115.743 ms 1 305 1.02 MB/sec warmup 11 sec latency 238.076 ms 1 334 1.00 MB/sec warmup 12 sec latency 221.835 ms Failing mds1 on oleg460-server 1 365 1.00 MB/sec warmup 13 sec latency 181.085 ms Stopping /mnt/lustre-mds1 (opts:) on oleg460-server 1 397 1.00 MB/sec warmup 14 sec latency 181.471 ms 1 428 1.00 MB/sec warmup 15 sec latency 275.453 ms 1 428 0.94 MB/sec warmup 16 sec latency 1276.163 ms 1 428 0.89 MB/sec warmup 17 sec latency 2277.656 ms 11:36:06 (1789054566) shut down facet: mds1 facet_host: oleg460-server facet_failover_host: oleg460-server 1 428 0.84 MB/sec warmup 18 sec latency 3279.914 ms 1 428 0.79 MB/sec warmup 19 sec latency 4280.776 ms 1 428 0.00 MB/sec execute 1 sec latency 6287.406 ms 1 428 0.00 MB/sec execute 2 sec latency 7287.605 ms 1 428 0.00 MB/sec execute 3 sec latency 8291.918 ms 1 428 0.00 MB/sec execute 4 sec latency 9292.759 ms 1 428 0.00 MB/sec execute 5 sec latency 10293.029 ms 1 428 0.00 MB/sec execute 6 sec latency 11293.368 ms 1 428 0.00 MB/sec execute 7 sec latency 12293.627 ms Failover mds1 to oleg460-server mount facets: mds1 1 428 0.00 MB/sec execute 8 sec latency 13293.764 ms 1 428 0.00 MB/sec execute 9 sec latency 14297.599 ms 1 428 0.00 MB/sec execute 10 sec latency 15298.113 ms 1 428 0.00 MB/sec execute 11 sec latency 16299.251 ms 1 428 0.00 MB/sec execute 12 sec latency 17301.684 ms 1 428 0.00 MB/sec execute 13 sec latency 18301.926 ms 1 428 0.00 MB/sec execute 14 sec latency 19306.012 ms 1 428 0.00 MB/sec execute 15 sec latency 20308.141 ms 1 428 0.00 MB/sec execute 16 sec latency 21308.894 ms 1 428 0.00 MB/sec execute 17 sec latency 22309.640 ms 1 428 0.00 MB/sec execute 18 sec latency 23309.890 ms 1 428 0.00 MB/sec execute 19 sec latency 24310.867 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 428 0.00 MB/sec execute 20 sec latency 25311.032 ms 1 428 0.00 MB/sec execute 21 sec latency 26311.341 ms 1 428 0.00 MB/sec execute 22 sec latency 27318.082 ms 1 428 0.00 MB/sec execute 23 sec latency 28318.409 ms 1 428 0.00 MB/sec execute 24 sec latency 29319.670 ms 1 428 0.00 MB/sec execute 25 sec latency 30325.948 ms 1 428 0.00 MB/sec execute 26 sec latency 31327.786 ms 1 428 0.00 MB/sec execute 27 sec latency 32328.618 ms 1 428 0.00 MB/sec execute 28 sec latency 33329.022 ms 1 428 0.00 MB/sec execute 29 sec latency 34330.101 ms oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 428 0.00 MB/sec execute 30 sec latency 35330.285 ms 1 428 0.00 MB/sec execute 31 sec latency 36332.530 ms pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 428 0.00 MB/sec execute 32 sec latency 37334.228 ms 1 437 0.01 MB/sec execute 33 sec latency 37789.479 ms Started lustre-MDT0000 11:36:42 (1789054602) targets are mounted 11:36:42 (1789054602) facet_failover done 1 478 0.05 MB/sec execute 34 sec latency 173.730 ms 1 507 0.07 MB/sec execute 35 sec latency 159.649 ms 1 532 0.09 MB/sec execute 36 sec latency 180.302 ms 1 552 0.11 MB/sec execute 37 sec latency 599.104 ms 1 609 0.15 MB/sec execute 38 sec latency 995.291 ms 1 650 0.15 MB/sec execute 39 sec latency 137.352 ms 1 671 0.15 MB/sec execute 40 sec latency 267.175 ms 1 692 0.15 MB/sec execute 41 sec latency 249.839 ms 1 710 0.14 MB/sec execute 42 sec latency 170.348 ms oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 730 0.14 MB/sec execute 43 sec latency 165.129 ms 1 740 0.14 MB/sec execute 44 sec latency 239.241 ms 1 765 0.14 MB/sec execute 45 sec latency 195.837 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 781 0.14 MB/sec execute 46 sec latency 194.895 ms 1 808 0.13 MB/sec execute 47 sec latency 112.078 ms 1 851 0.13 MB/sec execute 48 sec latency 133.657 ms 1 873 0.13 MB/sec execute 49 sec latency 156.611 ms 1 895 0.13 MB/sec execute 50 sec latency 168.962 ms 1 914 0.13 MB/sec execute 51 sec latency 190.794 ms 1 952 0.13 MB/sec execute 52 sec latency 138.761 ms 1 980 0.13 MB/sec execute 53 sec latency 142.783 ms 1 998 0.13 MB/sec execute 54 sec latency 170.043 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2116 1269188 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1936 1269368 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35756 3569836 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13852 3579420 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49608 7149256 1% /mnt/lustre 1 1041 0.14 MB/sec execute 55 sec latency 122.587 ms 1 1074 0.14 MB/sec execute 56 sec latency 184.529 ms 1 1101 0.14 MB/sec execute 57 sec latency 194.037 ms 1 1127 0.14 MB/sec execute 58 sec latency 166.262 ms 1 1146 0.13 MB/sec execute 59 sec latency 168.931 ms 1 1164 0.13 MB/sec execute 60 sec latency 237.062 ms 1 1172 0.13 MB/sec execute 61 sec latency 892.115 ms 1 1181 0.13 MB/sec execute 62 sec latency 1255.678 ms 1 1208 0.13 MB/sec execute 63 sec latency 160.744 ms 1 1231 0.12 MB/sec execute 64 sec latency 175.452 ms 1 1252 0.12 MB/sec execute 65 sec latency 165.293 ms 1 1276 0.12 MB/sec execute 66 sec latency 214.586 ms 1 1389 0.16 MB/sec execute 67 sec latency 110.227 ms 1 1406 0.16 MB/sec execute 68 sec latency 244.081 ms 1 1428 0.16 MB/sec execute 69 sec latency 229.442 ms test_26 fail mds2 2 times 1 1459 0.16 MB/sec execute 70 sec latency 110.116 ms 1 1497 0.15 MB/sec execute 71 sec latency 117.990 ms Failing mds2 on oleg460-server 1 1522 0.15 MB/sec execute 72 sec latency 147.693 ms Stopping /mnt/lustre-mds2 (opts:) on oleg460-server 1 1560 0.15 MB/sec execute 73 sec latency 117.714 ms 1 1593 0.15 MB/sec execute 74 sec latency 103.267 ms 1 1640 0.15 MB/sec execute 75 sec latency 202.342 ms 1 1677 0.15 MB/sec execute 76 sec latency 157.930 ms 1 1719 0.14 MB/sec execute 77 sec latency 118.240 ms 1 1803 0.14 MB/sec execute 78 sec latency 108.473 ms 1 1849 0.14 MB/sec execute 79 sec latency 86.430 ms 1 1888 0.14 MB/sec execute 80 sec latency 125.636 ms 1 1954 0.14 MB/sec execute 81 sec latency 107.253 ms 1 2006 0.14 MB/sec execute 82 sec latency 100.033 ms 11:37:31 (1789054651) shut down facet: mds2 facet_host: oleg460-server facet_failover_host: oleg460-server 1 2063 0.14 MB/sec execute 83 sec latency 83.118 ms 1 2110 0.14 MB/sec execute 84 sec latency 119.458 ms 1 2160 0.14 MB/sec execute 85 sec latency 109.116 ms 1 2198 0.13 MB/sec execute 86 sec latency 110.266 ms 1 2259 0.13 MB/sec execute 87 sec latency 163.129 ms 1 2259 0.13 MB/sec execute 88 sec latency 1164.475 ms 1 2259 0.13 MB/sec execute 89 sec latency 2165.331 ms 1 2259 0.13 MB/sec execute 90 sec latency 3165.608 ms 1 2259 0.13 MB/sec execute 91 sec latency 4165.983 ms 1 2259 0.13 MB/sec execute 92 sec latency 5166.329 ms 1 2259 0.13 MB/sec execute 93 sec latency 6178.078 ms Failover mds2 to oleg460-server mount facets: mds2 1 2259 0.12 MB/sec execute 94 sec latency 7178.298 ms 1 2259 0.12 MB/sec execute 95 sec latency 8178.807 ms 1 2259 0.12 MB/sec execute 96 sec latency 9179.105 ms 1 2259 0.12 MB/sec execute 97 sec latency 10181.179 ms 1 2259 0.12 MB/sec execute 98 sec latency 11183.759 ms 1 2259 0.12 MB/sec execute 99 sec latency 12184.092 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 cleanup 111 sec pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 cleanup 112 sec 1 cleanup 113 sec Started lustre-MDT0001 11:38:02 (1789054682) targets are mounted 11:38:02 (1789054682) facet_failover done 1 cleanup 114 sec 1 cleanup 115 sec 0 cleanup 116 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 329 149.416 24584.078 Close 286 147.614 37789.456 Rename 11 144.686 237.036 Unlink 30 38.262 108.530 Qpathinfo 295 20.560 194.016 Qfileinfo 78 2.632 13.336 Qfsinfo 33 7.341 64.228 Sfileinfo 34 108.551 249.822 Find 92 18.757 76.609 WriteX 266 17.149 85.738 ReadX 348 4.134 160.719 Flush 30 86.198 267.151 Throughput 0.11752 MB/sec 1 clients 1 procs max_latency=37789.479 ms stopping dbench on /mnt/lustre at Thu Sep 10 11:38:05 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 all_char /mnt/lustre2/d26.replay-dual/run_dbench oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 Thu Sep 10 11:38:16 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 0 8 0.00 MB/sec warmup 1 sec latency 107.028 ms 1 60 1.24 MB/sec warmup 2 sec latency 85.697 ms 1 114 1.75 MB/sec warmup 3 sec latency 153.087 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2312 1268992 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2204 1269100 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11344 3595208 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35884 3569748 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7164956 1% /mnt/lustre 1 147 1.57 MB/sec warmup 4 sec latency 168.332 ms 1 178 1.44 MB/sec warmup 5 sec latency 178.594 ms 1 199 1.31 MB/sec warmup 6 sec latency 364.915 ms 1 238 1.30 MB/sec warmup 7 sec latency 130.207 ms 1 279 1.30 MB/sec warmup 8 sec latency 143.698 ms 1 305 1.25 MB/sec warmup 9 sec latency 250.882 ms 1 305 1.12 MB/sec warmup 10 sec latency 1251.555 ms 1 315 1.04 MB/sec warmup 11 sec latency 1719.993 ms 1 341 1.02 MB/sec warmup 12 sec latency 169.733 ms 1 366 1.00 MB/sec warmup 13 sec latency 246.295 ms test_26 fail mds1 3 times 1 398 1.00 MB/sec warmup 14 sec latency 152.295 ms 1 426 1.00 MB/sec warmup 15 sec latency 206.867 ms 1 449 0.98 MB/sec warmup 16 sec latency 164.512 ms Failing mds1 on oleg460-server 1 472 0.96 MB/sec warmup 17 sec latency 212.802 ms 1 501 0.97 MB/sec warmup 18 sec latency 145.864 ms Stopping /mnt/lustre-mds1 (opts:) on oleg460-server 1 522 0.95 MB/sec warmup 19 sec latency 182.742 ms 1 600 1.34 MB/sec execute 1 sec latency 661.998 ms 1 600 0.67 MB/sec execute 2 sec latency 1662.398 ms 1 600 0.45 MB/sec execute 3 sec latency 2663.779 ms 1 600 0.34 MB/sec execute 4 sec latency 3665.558 ms 1 600 0.27 MB/sec execute 5 sec latency 4667.709 ms 1 600 0.22 MB/sec execute 6 sec latency 5671.760 ms 1 600 0.19 MB/sec execute 7 sec latency 6677.303 ms 1 600 0.17 MB/sec execute 8 sec latency 7677.633 ms 11:38:45 (1789054725) shut down 1 600 0.15 MB/sec execute 9 sec latency 8689.097 ms facet: mds1 facet_host: oleg460-server facet_failover_host: oleg460-server 1 600 0.13 MB/sec execute 10 sec latency 9691.397 ms 1 600 0.12 MB/sec execute 11 sec latency 10699.020 ms 1 600 0.11 MB/sec execute 12 sec latency 11701.244 ms 1 600 0.10 MB/sec execute 13 sec latency 12703.730 ms 1 600 0.10 MB/sec execute 14 sec latency 13704.255 ms 1 600 0.09 MB/sec execute 15 sec latency 14704.506 ms 1 600 0.08 MB/sec execute 16 sec latency 15705.555 ms 1 600 0.08 MB/sec execute 17 sec latency 16706.171 ms 1 600 0.07 MB/sec execute 18 sec latency 17706.764 ms 1 600 0.07 MB/sec execute 19 sec latency 18706.991 ms Failover mds1 to oleg460-server mount facets: mds1 1 600 0.07 MB/sec execute 20 sec latency 19707.199 ms 1 600 0.06 MB/sec execute 21 sec latency 20707.405 ms 1 600 0.06 MB/sec execute 22 sec latency 21708.921 ms 1 600 0.06 MB/sec execute 23 sec latency 22709.397 ms 1 600 0.06 MB/sec execute 24 sec latency 23710.358 ms 1 600 0.05 MB/sec execute 25 sec latency 24713.322 ms 1 600 0.05 MB/sec execute 26 sec latency 25713.555 ms 1 600 0.05 MB/sec execute 27 sec latency 26713.905 ms 1 600 0.05 MB/sec execute 28 sec latency 27718.636 ms 1 600 0.05 MB/sec execute 29 sec latency 28718.974 ms 1 600 0.04 MB/sec execute 30 sec latency 29719.331 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 600 0.04 MB/sec execute 31 sec latency 30719.607 ms 1 600 0.04 MB/sec execute 32 sec latency 31720.021 ms 1 600 0.04 MB/sec execute 33 sec latency 32720.367 ms 1 600 0.04 MB/sec execute 34 sec latency 33720.652 ms 1 600 0.04 MB/sec execute 35 sec latency 34720.976 ms 1 600 0.04 MB/sec execute 36 sec latency 35721.565 ms 1 600 0.04 MB/sec execute 37 sec latency 36721.826 ms 1 600 0.04 MB/sec execute 38 sec latency 37722.221 ms 1 600 0.03 MB/sec execute 39 sec latency 38723.276 ms 1 600 0.03 MB/sec execute 40 sec latency 39723.543 ms oleg460-server: oleg460-server.virtnet: executing set_default_debug -1 all 1 600 0.03 MB/sec execute 41 sec latency 40725.170 ms 1 600 0.03 MB/sec execute 42 sec latency 41729.835 ms pdsh@oleg460-client: oleg460-server: ssh exited with exit code 1 1 611 0.03 MB/sec execute 43 sec latency 42256.942 ms Started lustre-MDT0000 11:39:20 (1789054760) targets are mounted 11:39:20 (1789054760) facet_failover done 1 655 0.03 MB/sec execute 44 sec latency 138.700 ms 1 692 0.03 MB/sec execute 45 sec latency 135.858 ms 1 712 0.03 MB/sec execute 46 sec latency 171.672 ms 1 738 0.04 MB/sec execute 47 sec latency 160.537 ms 1 769 0.04 MB/sec execute 48 sec latency 157.709 ms 1 789 0.04 MB/sec execute 49 sec latency 204.815 ms 1 821 0.04 MB/sec execute 50 sec latency 186.455 ms 1 873 0.04 MB/sec execute 51 sec latency 101.509 ms oleg460-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.04 MB/sec execute 52 sec latency 761.306 ms 1 890 0.04 MB/sec execute 53 sec latency 1350.085 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 914 0.04 MB/sec execute 54 sec latency 190.189 ms 1 949 0.04 MB/sec execute 55 sec latency 142.270 ms 1 976 0.04 MB/sec execute 56 sec latency 128.423 ms 1 1000 0.04 MB/sec execute 57 sec latency 108.600 ms 1 1050 0.06 MB/sec execute 58 sec latency 206.692 ms 1 1086 0.06 MB/sec execute 59 sec latency 98.707 ms 1 1135 0.06 MB/sec execute 60 sec latency 98.975 ms 1 1177 0.06 MB/sec execute 61 sec latency 121.586 ms 1 1214 0.06 MB/sec execute 62 sec latency 136.929 ms 1 1244 0.05 MB/sec execute 63 sec latency 111.019 ms 1 1274 0.05 MB/sec execute 64 sec latency 139.891 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1406 0.10 MB/sec execute 65 sec latency 97.719 ms 1 1457 0.10 MB/sec execute 66 sec latency 88.666 ms 1 1474 0.10 MB/sec execute 67 sec latency 467.955 ms 1 1520 0.09 MB/sec execute 68 sec latency 79.204 ms 1 1578 0.09 MB/sec execute 69 sec latency 70.887 ms 1 1625 0.09 MB/sec execute 70 sec latency 83.666 ms 1 1662 0.09 MB/sec execute 71 sec latency 111.949 ms 1 1698 0.09 MB/sec execute 72 sec latency 139.030 ms 1 1769 0.09 MB/sec execute 73 sec latency 66.263 ms 1 1816 0.09 MB/sec execute 74 sec latency 83.468 ms 1 1857 0.09 MB/sec execute 75 sec latency 116.126 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Sep 10 11:39:52 EDT 2026 with return code 0 1 1909 0.09 MB/sec execute 76 sec latency 110.207 ms 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