== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:48:12 (1777423692) Starting client oleg225-client.virtnet: -o user_xattr,flock 192.168.202.125@tcp:/lustre /mnt/lustre Started clients oleg225-client.virtnet: 192.168.202.125@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65340 Started dbench loop with 65341 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar 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 28 20:48:16 EDT 2026 waiting for dbench pid 65390 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1968 1269336 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 26140 3579696 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185172 1% /mnt/lustre 1 52 2.10 MB/sec warmup 1 sec latency 84.359 ms 1 121 2.75 MB/sec warmup 2 sec latency 131.242 ms 1 166 2.27 MB/sec warmup 3 sec latency 106.903 ms 1 199 1.96 MB/sec warmup 4 sec latency 309.502 ms 1 260 1.96 MB/sec warmup 5 sec latency 115.583 ms 1 319 1.92 MB/sec warmup 6 sec latency 102.501 ms 1 393 1.98 MB/sec warmup 7 sec latency 80.249 ms test_26 fail mds1 1 times 1 453 1.99 MB/sec warmup 8 sec latency 96.466 ms Failing mds1 on oleg225-server 1 501 1.94 MB/sec warmup 9 sec latency 121.514 ms Stopping /mnt/lustre-mds1 (opts:) on oleg225-server 1 593 2.05 MB/sec warmup 10 sec latency 134.625 ms 1 639 1.91 MB/sec warmup 11 sec latency 664.794 ms 1 639 1.75 MB/sec warmup 12 sec latency 1665.497 ms 1 639 1.62 MB/sec warmup 13 sec latency 2665.757 ms 1 639 1.50 MB/sec warmup 14 sec latency 3665.981 ms 20:48:31 (1777423711) shut down facet: mds1 facet_host: oleg225-server facet_failover_host: oleg225-server 1 639 1.40 MB/sec warmup 15 sec latency 4666.212 ms 1 639 1.31 MB/sec warmup 16 sec latency 5667.270 ms 1 639 1.24 MB/sec warmup 17 sec latency 6667.506 ms 1 639 1.17 MB/sec warmup 18 sec latency 7668.192 ms 1 639 1.11 MB/sec warmup 19 sec latency 8668.354 ms 1 639 0.00 MB/sec execute 1 sec latency 10668.928 ms 1 639 0.00 MB/sec execute 2 sec latency 11669.185 ms 1 639 0.00 MB/sec execute 3 sec latency 12669.395 ms 1 639 0.00 MB/sec execute 4 sec latency 13669.593 ms Failover mds1 to oleg225-server mount facets: mds1 1 639 0.00 MB/sec execute 5 sec latency 14669.743 ms 1 639 0.00 MB/sec execute 6 sec latency 15669.986 ms 1 639 0.00 MB/sec execute 7 sec latency 16671.414 ms 1 639 0.00 MB/sec execute 8 sec latency 17672.512 ms 1 639 0.00 MB/sec execute 9 sec latency 18672.861 ms 1 639 0.00 MB/sec execute 10 sec latency 19673.388 ms 1 639 0.00 MB/sec execute 11 sec latency 20674.248 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 639 0.00 MB/sec execute 12 sec latency 21674.473 ms 1 639 0.00 MB/sec execute 13 sec latency 22674.679 ms 1 639 0.00 MB/sec execute 14 sec latency 23675.827 ms 1 639 0.00 MB/sec execute 15 sec latency 24678.479 ms 1 639 0.00 MB/sec execute 16 sec latency 25678.665 ms 1 639 0.00 MB/sec execute 17 sec latency 26679.671 ms 1 639 0.00 MB/sec execute 18 sec latency 27681.101 ms 1 639 0.00 MB/sec execute 19 sec latency 28681.377 ms 1 639 0.00 MB/sec execute 20 sec latency 29681.932 ms 1 639 0.00 MB/sec execute 21 sec latency 30684.955 ms 1 639 0.00 MB/sec execute 22 sec latency 31685.289 ms oleg225-server: oleg225-server.virtnet: executing set_default_debug -1 all pdsh@oleg225-client: oleg225-server: ssh exited with exit code 1 1 639 0.00 MB/sec execute 23 sec latency 32690.863 ms Started lustre-MDT0000 20:49:00 (1777423740) targets are mounted 20:49:00 (1777423740) facet_failover done 1 639 0.00 MB/sec execute 24 sec latency 33693.538 ms 1 639 0.00 MB/sec execute 25 sec latency 34696.576 ms 1 639 0.00 MB/sec execute 26 sec latency 35696.818 ms 1 654 0.00 MB/sec execute 27 sec latency 36257.494 ms 1 699 0.01 MB/sec execute 28 sec latency 104.595 ms oleg225-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 736 0.01 MB/sec execute 29 sec latency 117.659 ms 1 779 0.01 MB/sec execute 30 sec latency 109.929 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 824 0.01 MB/sec execute 31 sec latency 116.850 ms 1 884 0.02 MB/sec execute 32 sec latency 92.986 ms 1 885 0.02 MB/sec execute 33 sec latency 914.072 ms 1 917 0.02 MB/sec execute 34 sec latency 222.964 ms 1 964 0.02 MB/sec execute 35 sec latency 90.634 ms 1 1047 0.05 MB/sec execute 36 sec latency 63.241 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 39160 3567580 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 19660 3582608 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 58820 7150188 1% /mnt/lustre 1 1117 0.05 MB/sec execute 37 sec latency 80.821 ms 1 1156 0.05 MB/sec execute 38 sec latency 83.229 ms 1 1214 0.05 MB/sec execute 39 sec latency 61.097 ms 1 1259 0.05 MB/sec execute 40 sec latency 94.635 ms 1 1388 0.12 MB/sec execute 41 sec latency 103.455 ms 1 1429 0.12 MB/sec execute 42 sec latency 92.159 ms 1 1486 0.12 MB/sec execute 43 sec latency 279.596 ms 1 1564 0.11 MB/sec execute 44 sec latency 59.572 ms test_26 fail mds2 2 times 1 1605 0.11 MB/sec execute 45 sec latency 90.607 ms Failing mds2 on oleg225-server 1 1660 0.11 MB/sec execute 46 sec latency 88.719 ms Stopping /mnt/lustre-mds2 (opts:) on oleg225-server 1 1723 0.11 MB/sec execute 47 sec latency 94.459 ms 1 1821 0.11 MB/sec execute 48 sec latency 78.491 ms 20:49:25 (1777423765) shut down facet: mds2 facet_host: oleg225-server facet_failover_host: oleg225-server 1 1902 0.11 MB/sec execute 49 sec latency 89.844 ms 1 1986 0.11 MB/sec execute 50 sec latency 68.416 ms 1 2065 0.11 MB/sec execute 51 sec latency 78.146 ms 1 2162 0.11 MB/sec execute 52 sec latency 60.734 ms 1 2259 0.11 MB/sec execute 53 sec latency 199.941 ms 1 2259 0.11 MB/sec execute 54 sec latency 1201.306 ms 1 2259 0.10 MB/sec execute 55 sec latency 2201.599 ms 1 2259 0.10 MB/sec execute 56 sec latency 3201.792 ms 1 2259 0.10 MB/sec execute 57 sec latency 4202.140 ms 1 2259 0.10 MB/sec execute 58 sec latency 5203.687 ms Failover mds2 to oleg225-server mount facets: mds2 1 2259 0.10 MB/sec execute 59 sec latency 6203.796 ms 1 2259 0.10 MB/sec execute 60 sec latency 7203.953 ms 1 2259 0.09 MB/sec execute 61 sec latency 8204.142 ms 1 2259 0.09 MB/sec execute 62 sec latency 9204.649 ms 1 2259 0.09 MB/sec execute 63 sec latency 10204.907 ms 1 2259 0.09 MB/sec execute 64 sec latency 11205.157 ms 1 2259 0.09 MB/sec execute 65 sec latency 12205.892 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.09 MB/sec execute 66 sec latency 13206.116 ms 1 2259 0.09 MB/sec execute 67 sec latency 14208.859 ms 1 2259 0.08 MB/sec execute 68 sec latency 15208.985 ms 1 2259 0.08 MB/sec execute 69 sec latency 16209.186 ms 1 2259 0.08 MB/sec execute 70 sec latency 17209.444 ms oleg225-server: oleg225-server.virtnet: executing set_default_debug -1 all 1 2259 0.08 MB/sec execute 71 sec latency 18210.013 ms pdsh@oleg225-client: oleg225-server: ssh exited with exit code 1 Started lustre-MDT0001 20:49:48 (1777423788) targets are mounted 20:49:48 (1777423788) facet_failover done 1 2259 0.08 MB/sec execute 72 sec latency 19210.517 ms 1 2259 0.08 MB/sec execute 73 sec latency 20211.064 ms 1 2298 0.09 MB/sec execute 74 sec latency 20837.290 ms 1 2368 0.09 MB/sec execute 75 sec latency 104.690 ms oleg225-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2416 0.09 MB/sec execute 76 sec latency 86.917 ms 1 2459 0.09 MB/sec execute 77 sec latency 81.615 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2503 0.10 MB/sec execute 78 sec latency 122.251 ms 1 2604 0.10 MB/sec execute 79 sec latency 90.720 ms 1 2779 0.14 MB/sec execute 80 sec latency 85.395 ms 1 2915 0.15 MB/sec execute 81 sec latency 67.318 ms 1 2987 0.15 MB/sec execute 82 sec latency 132.832 ms 1 3169 0.16 MB/sec execute 83 sec latency 95.591 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2380 1268924 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2140 1269164 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 39356 3565404 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 29848 3576924 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69204 7142328 1% /mnt/lustre 1 3242 0.16 MB/sec execute 84 sec latency 95.799 ms 1 3320 0.17 MB/sec execute 85 sec latency 98.473 ms 1 3378 0.17 MB/sec execute 86 sec latency 75.034 ms 1 3524 0.20 MB/sec execute 87 sec latency 100.866 ms 1 3587 0.20 MB/sec execute 88 sec latency 88.742 ms 1 3678 0.20 MB/sec execute 89 sec latency 72.058 ms 1 3760 0.21 MB/sec execute 90 sec latency 93.258 ms 1 3808 0.21 MB/sec execute 91 sec latency 85.014 ms test_26 fail mds1 3 times 1 3859 0.20 MB/sec execute 92 sec latency 106.844 ms Failing mds1 on oleg225-server 1 3910 0.20 MB/sec execute 93 sec latency 82.154 ms Stopping /mnt/lustre-mds1 (opts:) on oleg225-server 1 3963 0.20 MB/sec execute 94 sec latency 100.901 ms 1 4014 0.20 MB/sec execute 95 sec latency 82.207 ms 1 4065 0.20 MB/sec execute 96 sec latency 123.949 ms 20:50:13 (1777423813) shut down facet: mds1 facet_host: oleg225-server facet_failover_host: oleg225-server 1 4083 0.20 MB/sec execute 97 sec latency 615.333 ms 1 4083 0.19 MB/sec execute 98 sec latency 1615.545 ms 1 4083 0.19 MB/sec execute 99 sec latency 2615.730 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec Failover mds1 to oleg225-server mount facets: mds1 1 cleanup 107 sec 1 cleanup 108 sec 1 cleanup 109 sec 1 cleanup 110 sec 1 cleanup 111 sec 1 cleanup 112 sec 1 cleanup 113 sec Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 cleanup 114 sec 1 cleanup 115 sec 1 cleanup 116 sec 1 cleanup 117 sec 1 cleanup 118 sec 1 cleanup 119 sec 1 cleanup 120 sec 1 cleanup 121 sec 1 cleanup 122 sec 1 cleanup 123 sec 1 cleanup 124 sec 1 cleanup 125 sec 1 cleanup 126 sec 1 cleanup 127 sec oleg225-server: oleg225-server.virtnet: executing set_default_debug -1 all 1 cleanup 128 sec pdsh@oleg225-client: oleg225-server: ssh exited with exit code 1 1 cleanup 129 sec Started lustre-MDT0000 20:50:46 (1777423846) targets are mounted 20:50:46 (1777423846) facet_failover done 1 cleanup 130 sec 1 cleanup 131 sec 1 cleanup 132 sec oleg225-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 cleanup 133 sec 0 cleanup 133 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 610 131.143 36257.468 Close 445 8.601 33.250 Rename 26 65.570 132.809 Unlink 96 20.828 59.938 Qpathinfo 532 76.584 34324.396 Qfileinfo 97 1.693 8.390 Qfsinfo 98 2.749 25.652 Sfileinfo 49 48.299 104.574 Find 202 8.377 25.013 WriteX 302 10.210 80.693 ReadX 941 1.421 61.121 LockX 2 14.627 23.270 UnlockX 2 10.014 13.059 Flush 43 45.827 122.237 Throughput 0.191969 MB/sec 1 clients 1 procs max_latency=36257.494 ms stopping dbench on /mnt/lustre at Tue Apr 28 20:50:50 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished 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 '/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 28 20:50:55 EDT 2026 waiting for dbench pid 68557 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 42 1.57 MB/sec warmup 1 sec latency 87.496 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2844 1268460 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2580 1268724 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 2476 3602720 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 46248 3559212 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 48724 7161932 1% /mnt/lustre 1 113 2.62 MB/sec warmup 2 sec latency 123.739 ms 1 157 2.18 MB/sec warmup 3 sec latency 140.678 ms 1 189 1.89 MB/sec warmup 4 sec latency 381.404 ms 1 234 1.77 MB/sec warmup 5 sec latency 97.752 ms 1 292 1.78 MB/sec warmup 6 sec latency 76.717 ms 1 352 1.79 MB/sec warmup 7 sec latency 78.778 ms 1 420 1.86 MB/sec warmup 8 sec latency 76.042 ms test_26 fail mds2 4 times 1 484 1.88 MB/sec warmup 9 sec latency 89.881 ms 1 532 1.85 MB/sec warmup 10 sec latency 92.767 ms Failing mds2 on oleg225-server Stopping /mnt/lustre-mds2 (opts:) on oleg225-server 1 655 1.91 MB/sec warmup 11 sec latency 71.011 ms 1 674 1.76 MB/sec warmup 12 sec latency 719.902 ms 1 674 1.63 MB/sec warmup 13 sec latency 1721.513 ms 1 674 1.51 MB/sec warmup 14 sec latency 2721.760 ms 1 674 1.41 MB/sec warmup 15 sec latency 3722.282 ms 1 674 1.32 MB/sec warmup 16 sec latency 4722.499 ms 1 674 1.24 MB/sec warmup 17 sec latency 5722.695 ms 1 674 1.18 MB/sec warmup 18 sec latency 6722.956 ms 1 674 1.11 MB/sec warmup 19 sec latency 7723.246 ms 20:51:14 (1777423874) shut down facet: mds2 facet_host: oleg225-server facet_failover_host: oleg225-server 1 674 0.00 MB/sec execute 1 sec latency 9723.570 ms 1 674 0.00 MB/sec execute 2 sec latency 10723.798 ms 1 674 0.00 MB/sec execute 3 sec latency 11724.002 ms 1 674 0.00 MB/sec execute 4 sec latency 12724.195 ms 1 674 0.00 MB/sec execute 5 sec latency 13725.008 ms 1 674 0.00 MB/sec execute 6 sec latency 14725.244 ms 1 674 0.00 MB/sec execute 7 sec latency 15727.658 ms 1 674 0.00 MB/sec execute 8 sec latency 16728.761 ms 1 674 0.00 MB/sec execute 9 sec latency 17729.173 ms Failover mds2 to oleg225-server mount facets: mds2 1 674 0.00 MB/sec execute 10 sec latency 18731.308 ms 1 674 0.00 MB/sec execute 11 sec latency 19731.450 ms 1 674 0.00 MB/sec execute 12 sec latency 20731.836 ms 1 674 0.00 MB/sec execute 13 sec latency 21731.981 ms 1 674 0.00 MB/sec execute 14 sec latency 22732.326 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 674 0.00 MB/sec execute 15 sec latency 23736.954 ms 1 674 0.00 MB/sec execute 16 sec latency 24738.120 ms 1 674 0.00 MB/sec execute 17 sec latency 25738.761 ms 1 674 0.00 MB/sec execute 18 sec latency 26740.858 ms oleg225-server: oleg225-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 19 sec latency 27743.851 ms pdsh@oleg225-client: oleg225-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 20 sec latency 28744.222 ms Started lustre-MDT0001 20:51:35 (1777423895) targets are mounted 20:51:35 (1777423895) facet_failover done 1 674 0.00 MB/sec execute 21 sec latency 29744.472 ms 1 674 0.00 MB/sec execute 22 sec latency 30745.402 ms 1 709 0.00 MB/sec execute 23 sec latency 30975.295 ms 1 758 0.01 MB/sec execute 24 sec latency 118.572 ms oleg225-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 805 0.01 MB/sec execute 25 sec latency 75.760 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 874 0.02 MB/sec execute 26 sec latency 79.254 ms 1 885 0.02 MB/sec execute 27 sec latency 742.907 ms 1 929 0.02 MB/sec execute 28 sec latency 111.509 ms 1 990 0.03 MB/sec execute 29 sec latency 62.838 ms 1 1082 0.06 MB/sec execute 30 sec latency 62.363 ms 1 1172 0.06 MB/sec execute 31 sec latency 65.208 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1254 0.06 MB/sec execute 32 sec latency 45.044 ms 1 1415 0.15 MB/sec execute 33 sec latency 40.718 ms 1 1474 0.14 MB/sec execute 34 sec latency 222.035 ms 1 1562 0.14 MB/sec execute 35 sec latency 96.446 ms 1 1634 0.14 MB/sec execute 36 sec latency 79.443 ms 1 1691 0.14 MB/sec execute 37 sec latency 85.142 ms 1 1808 0.14 MB/sec execute 38 sec latency 49.480 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Apr 28 20:51:54 EDT 2026 with return code 0 68557 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68557 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished