== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:47:54 (1777423674) Starting client oleg439-client.virtnet: -o user_xattr,flock 192.168.204.139@tcp:/lustre /mnt/lustre Started clients oleg439-client.virtnet: 192.168.204.139@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 65353 Started dbench loop with 65354 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 20:47:57 EDT 2026 waiting for dbench pid 65396 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 2000 1269304 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1780 1269524 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 26120 3579716 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 27684 7185172 1% /mnt/lustre 1 88 4.06 MB/sec warmup 1 sec latency 62.740 ms 1 169 3.43 MB/sec warmup 2 sec latency 67.231 ms 1 237 3.03 MB/sec warmup 3 sec latency 222.022 ms 1 323 2.94 MB/sec warmup 4 sec latency 50.502 ms 1 408 2.87 MB/sec warmup 5 sec latency 68.212 ms 1 501 2.91 MB/sec warmup 6 sec latency 61.618 ms test_26 fail mds1 1 times 1 616 3.00 MB/sec warmup 7 sec latency 102.829 ms Failing mds1 on oleg439-server Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 710 2.65 MB/sec warmup 8 sec latency 81.436 ms 1 710 2.35 MB/sec warmup 9 sec latency 1025.231 ms 20:48:06 (1777423686) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 710 2.12 MB/sec warmup 10 sec latency 2025.511 ms 1 710 1.93 MB/sec warmup 11 sec latency 3025.916 ms 1 710 1.77 MB/sec warmup 12 sec latency 4026.129 ms 1 710 1.63 MB/sec warmup 13 sec latency 5026.495 ms 1 710 1.51 MB/sec warmup 14 sec latency 6026.682 ms 1 710 1.41 MB/sec warmup 15 sec latency 7026.875 ms 1 710 1.32 MB/sec warmup 16 sec latency 8027.083 ms 1 710 1.25 MB/sec warmup 17 sec latency 9027.273 ms 1 710 1.18 MB/sec warmup 18 sec latency 10028.533 ms 1 710 1.12 MB/sec warmup 19 sec latency 11028.743 ms Failover mds1 to oleg439-server mount facets: mds1 1 710 0.00 MB/sec execute 1 sec latency 13029.274 ms 1 710 0.00 MB/sec execute 2 sec latency 14029.540 ms 1 710 0.00 MB/sec execute 3 sec latency 15029.999 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 710 0.00 MB/sec execute 4 sec latency 16030.282 ms 1 710 0.00 MB/sec execute 5 sec latency 17030.486 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 710 0.00 MB/sec execute 6 sec latency 18030.914 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 Started lustre-MDT0000 20:48:24 (1777423704) targets are mounted 20:48:24 (1777423704) facet_failover done 1 710 0.00 MB/sec execute 7 sec latency 19032.086 ms 1 710 0.00 MB/sec execute 8 sec latency 20032.213 ms 1 710 0.00 MB/sec execute 9 sec latency 21032.498 ms 1 710 0.00 MB/sec execute 10 sec latency 22032.656 ms 1 718 0.01 MB/sec execute 11 sec latency 22929.993 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 799 0.02 MB/sec execute 12 sec latency 58.558 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 878 0.04 MB/sec execute 13 sec latency 47.549 ms 1 884 0.03 MB/sec execute 14 sec latency 905.568 ms 1 918 0.04 MB/sec execute 15 sec latency 1184.230 ms 1 992 0.04 MB/sec execute 16 sec latency 55.986 ms 1 1106 0.10 MB/sec execute 17 sec latency 48.802 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2212 1269092 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1972 1269332 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 14064 3585144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 37284 3562064 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 51348 7147208 1% /mnt/lustre 1 1196 0.10 MB/sec execute 18 sec latency 38.174 ms 1 1268 0.10 MB/sec execute 19 sec latency 61.446 ms 1 1447 0.24 MB/sec execute 20 sec latency 43.219 ms 1 1524 0.23 MB/sec execute 21 sec latency 123.036 ms 1 1616 0.23 MB/sec execute 22 sec latency 42.638 ms 1 1703 0.22 MB/sec execute 23 sec latency 50.670 ms test_26 fail mds2 2 times Failing mds2 on oleg439-server 1 1822 0.21 MB/sec execute 24 sec latency 45.047 ms Stopping /mnt/lustre-mds2 (opts:) on oleg439-server 1 1907 0.21 MB/sec execute 25 sec latency 53.302 ms 1 2006 0.20 MB/sec execute 26 sec latency 61.062 ms 1 2139 0.20 MB/sec execute 27 sec latency 36.360 ms 1 2251 0.20 MB/sec execute 28 sec latency 55.685 ms 20:48:45 (1777423725) shut down facet: mds2 facet_host: oleg439-server facet_failover_host: oleg439-server 1 2259 0.19 MB/sec execute 29 sec latency 966.079 ms 1 2259 0.19 MB/sec execute 30 sec latency 1966.286 ms 1 2259 0.18 MB/sec execute 31 sec latency 2966.484 ms 1 2259 0.17 MB/sec execute 32 sec latency 3967.321 ms 1 2259 0.17 MB/sec execute 33 sec latency 4967.597 ms 1 2259 0.16 MB/sec execute 34 sec latency 5968.452 ms 1 2259 0.16 MB/sec execute 35 sec latency 6968.781 ms 1 2259 0.16 MB/sec execute 36 sec latency 7969.499 ms 1 2259 0.15 MB/sec execute 37 sec latency 8969.686 ms 1 2259 0.15 MB/sec execute 38 sec latency 9969.929 ms Failover mds2 to oleg439-server mount facets: mds2 1 2259 0.14 MB/sec execute 39 sec latency 10970.921 ms 1 2259 0.14 MB/sec execute 40 sec latency 11971.390 ms 1 2259 0.14 MB/sec execute 41 sec latency 12971.554 ms 1 2259 0.13 MB/sec execute 42 sec latency 13971.773 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 43 sec latency 14971.991 ms 1 2259 0.13 MB/sec execute 44 sec latency 15972.388 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 45 sec latency 16972.552 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 Started lustre-MDT0001 20:49:02 (1777423742) targets are mounted 20:49:02 (1777423742) facet_failover done 1 2259 0.12 MB/sec execute 46 sec latency 17972.791 ms 1 2259 0.12 MB/sec execute 47 sec latency 18973.062 ms 1 2259 0.12 MB/sec execute 48 sec latency 19973.237 ms 1 2259 0.11 MB/sec execute 49 sec latency 20973.832 ms 1 2359 0.13 MB/sec execute 50 sec latency 21157.174 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 2441 0.14 MB/sec execute 51 sec latency 54.571 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2567 0.15 MB/sec execute 52 sec latency 52.709 ms 1 2773 0.20 MB/sec execute 53 sec latency 54.234 ms 1 2969 0.23 MB/sec execute 54 sec latency 52.402 ms 1 3180 0.23 MB/sec execute 55 sec latency 66.870 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2528 1268776 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2292 1269012 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 30276 3573084 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 39304 3564976 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 69580 7138060 1% /mnt/lustre 1 3325 0.25 MB/sec execute 56 sec latency 53.326 ms 1 3523 0.30 MB/sec execute 57 sec latency 51.062 ms 1 3645 0.30 MB/sec execute 58 sec latency 42.141 ms 1 3771 0.31 MB/sec execute 59 sec latency 47.133 ms 1 3856 0.31 MB/sec execute 60 sec latency 53.843 ms 1 3944 0.31 MB/sec execute 61 sec latency 51.590 ms test_26 fail mds1 3 times 1 4014 0.30 MB/sec execute 62 sec latency 92.735 ms Failing mds1 on oleg439-server Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 4093 0.30 MB/sec execute 63 sec latency 52.176 ms 1 4093 0.29 MB/sec execute 64 sec latency 1048.965 ms 1 4093 0.29 MB/sec execute 65 sec latency 2049.174 ms 1 4093 0.29 MB/sec execute 66 sec latency 3049.405 ms 1 4093 0.28 MB/sec execute 67 sec latency 4049.615 ms 1 4093 0.28 MB/sec execute 68 sec latency 5049.829 ms 1 4093 0.27 MB/sec execute 69 sec latency 6050.604 ms 1 4093 0.27 MB/sec execute 70 sec latency 7050.775 ms 20:49:27 (1777423767) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 4093 0.27 MB/sec execute 71 sec latency 8050.964 ms 1 4093 0.26 MB/sec execute 72 sec latency 9051.157 ms 1 4093 0.26 MB/sec execute 73 sec latency 10051.337 ms 1 4093 0.26 MB/sec execute 74 sec latency 11051.580 ms 1 4093 0.25 MB/sec execute 75 sec latency 12051.879 ms 1 4093 0.25 MB/sec execute 76 sec latency 13052.182 ms 1 4093 0.25 MB/sec execute 77 sec latency 14052.358 ms 1 4093 0.24 MB/sec execute 78 sec latency 15053.013 ms 1 4093 0.24 MB/sec execute 79 sec latency 16053.206 ms 1 4093 0.24 MB/sec execute 80 sec latency 17053.414 ms Failover mds1 to oleg439-server mount facets: mds1 1 4093 0.23 MB/sec execute 81 sec latency 18053.663 ms 1 4093 0.23 MB/sec execute 82 sec latency 19053.926 ms 1 4093 0.23 MB/sec execute 83 sec latency 20054.146 ms 1 4093 0.22 MB/sec execute 84 sec latency 21054.413 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 4093 0.22 MB/sec execute 85 sec latency 22055.275 ms 1 4093 0.22 MB/sec execute 86 sec latency 23055.456 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 4093 0.22 MB/sec execute 87 sec latency 24055.594 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 Started lustre-MDT0000 20:49:44 (1777423784) targets are mounted 20:49:44 (1777423784) facet_failover done 1 4093 0.21 MB/sec execute 88 sec latency 25055.843 ms 1 4093 0.21 MB/sec execute 89 sec latency 26056.061 ms 1 4093 0.21 MB/sec execute 90 sec latency 27056.301 ms 1 4093 0.21 MB/sec execute 91 sec latency 28056.525 ms 1 4180 0.21 MB/sec execute 92 sec latency 28265.433 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 4282 0.21 MB/sec execute 93 sec latency 61.037 ms 1 4372 0.21 MB/sec execute 94 sec latency 48.621 ms 1 4472 0.21 MB/sec execute 95 sec latency 42.569 ms 1 4549 0.21 MB/sec execute 96 sec latency 47.279 ms 1 4654 0.21 MB/sec execute 97 sec latency 48.620 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2952 1268352 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2700 1268604 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 30728 3575736 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40028 3566196 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 70756 7141932 1% /mnt/lustre 1 4759 0.21 MB/sec execute 98 sec latency 45.130 ms 1 4862 0.22 MB/sec execute 99 sec latency 51.428 ms 1 cleanup 100 sec 1 cleanup 101 sec 0 cleanup 102 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 721 53.988 21157.157 Close 543 6.694 671.544 Rename 36 676.077 22929.971 Unlink 139 216.424 28265.406 Qpathinfo 672 7.558 46.163 Qfileinfo 115 1.476 8.929 Qfsinfo 126 0.982 7.722 Sfileinfo 80 27.562 58.206 Find 255 6.296 60.664 WriteX 379 6.452 48.201 ReadX 1159 0.777 42.489 LockX 2 5.099 5.111 UnlockX 2 6.557 8.910 Flush 61 24.200 48.605 Throughput 0.215927 MB/sec 1 clients 1 procs max_latency=28265.433 ms stopping dbench on /mnt/lustre at Tue Apr 28 20:49:58 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 mds2 4 times striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench Failing mds2 on oleg439-server looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Stopping /mnt/lustre-mds2 (opts:) on oleg439-server '/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 20:50:02 EDT 2026 waiting for dbench pid 68841 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 20:50:02 (1777423802) shut down facet: mds2 facet_host: oleg439-server facet_failover_host: oleg439-server 0 1 0.00 MB/sec warmup 1 sec latency 992.207 ms 0 1 0.00 MB/sec warmup 2 sec latency 1992.793 ms 0 1 0.00 MB/sec warmup 3 sec latency 2995.071 ms 0 1 0.00 MB/sec warmup 4 sec latency 3995.272 ms 0 1 0.00 MB/sec warmup 5 sec latency 4995.587 ms 0 1 0.00 MB/sec warmup 6 sec latency 5996.050 ms 0 1 0.00 MB/sec warmup 7 sec latency 6996.891 ms 0 1 0.00 MB/sec warmup 8 sec latency 7997.066 ms 0 1 0.00 MB/sec warmup 9 sec latency 8997.582 ms 0 1 0.00 MB/sec warmup 10 sec latency 9998.061 ms Failover mds2 to oleg439-server mount facets: mds2 0 1 0.00 MB/sec warmup 11 sec latency 10998.343 ms 0 1 0.00 MB/sec warmup 12 sec latency 11998.604 ms 0 1 0.00 MB/sec warmup 13 sec latency 12999.448 ms 0 1 0.00 MB/sec warmup 14 sec latency 13999.609 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 0 1 0.00 MB/sec warmup 15 sec latency 15000.856 ms 0 1 0.00 MB/sec warmup 16 sec latency 16001.210 ms 0 1 0.00 MB/sec warmup 17 sec latency 17001.447 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 0 1 0.00 MB/sec warmup 18 sec latency 18001.573 ms Started lustre-MDT0001 20:50:20 (1777423820) targets are mounted 20:50:20 (1777423820) facet_failover done 0 1 0.00 MB/sec warmup 19 sec latency 19001.760 ms 0 1 0.00 MB/sec warmup 20 sec latency 20001.983 ms 0 1 0.00 MB/sec warmup 21 sec latency 21002.268 ms 0 10 0.00 MB/sec warmup 22 sec latency 22.447 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 199 2.08 MB/sec execute 1 sec latency 192.589 ms 1 297 2.60 MB/sec execute 2 sec latency 54.912 ms 1 392 2.69 MB/sec execute 3 sec latency 47.928 ms 1 501 2.93 MB/sec execute 4 sec latency 54.240 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 3308 1267996 1% /mnt/lustre[MDT:0] 1 644 3.06 MB/sec execute 5 sec latency 70.490 ms lustre-MDT0001_UUID 1414116 3152 1268152 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 25200 3572796 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 29160 3566612 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54360 7139408 1% /mnt/lustre 1 740 2.59 MB/sec execute 6 sec latency 46.439 ms 1 857 2.26 MB/sec execute 7 sec latency 47.244 ms 1 884 1.99 MB/sec execute 8 sec latency 400.593 ms 1 921 1.78 MB/sec execute 9 sec latency 641.010 ms test_26 fail mds1 5 times 1 988 1.61 MB/sec execute 10 sec latency 72.948 ms Failing mds1 on oleg439-server 1 1128 1.57 MB/sec execute 11 sec latency 38.367 ms Stopping /mnt/lustre-mds1 (opts:) on oleg439-server 1 1192 1.44 MB/sec execute 12 sec latency 390.416 ms 20:50:38 (1777423838) shut down facet: mds1 facet_host: oleg439-server facet_failover_host: oleg439-server 1 1192 1.33 MB/sec execute 13 sec latency 1391.233 ms 1 1192 1.23 MB/sec execute 14 sec latency 2391.498 ms 1 1192 1.15 MB/sec execute 15 sec latency 3391.779 ms 1 1192 1.08 MB/sec execute 16 sec latency 4392.096 ms 1 1192 1.02 MB/sec execute 17 sec latency 5392.296 ms 1 1192 0.96 MB/sec execute 18 sec latency 6392.499 ms 1 1192 0.91 MB/sec execute 19 sec latency 7392.733 ms 1 1192 0.86 MB/sec execute 20 sec latency 8393.208 ms 1 1192 0.82 MB/sec execute 21 sec latency 9393.392 ms 1 1192 0.79 MB/sec execute 22 sec latency 10393.612 ms Failover mds1 to oleg439-server 1 1192 0.75 MB/sec execute 23 sec latency 11393.809 ms mount facets: mds1 1 1192 0.72 MB/sec execute 24 sec latency 12394.202 ms 1 1192 0.69 MB/sec execute 25 sec latency 13396.189 ms 1 1192 0.66 MB/sec execute 26 sec latency 14396.683 ms 1 1192 0.64 MB/sec execute 27 sec latency 15397.763 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 1192 0.62 MB/sec execute 28 sec latency 16399.153 ms 1 1192 0.60 MB/sec execute 29 sec latency 17399.333 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 1 1192 0.58 MB/sec execute 30 sec latency 18399.458 ms Started lustre-MDT0000 20:50:55 (1777423855) targets are mounted 20:50:55 (1777423855) facet_failover done 1 1192 0.56 MB/sec execute 31 sec latency 19399.745 ms 1 1192 0.54 MB/sec execute 32 sec latency 20399.919 ms 1 1192 0.52 MB/sec execute 33 sec latency 21400.142 ms 1 1200 0.51 MB/sec execute 34 sec latency 22274.978 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 1378 0.58 MB/sec execute 35 sec latency 52.932 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1463 0.56 MB/sec execute 36 sec latency 69.822 ms 1 1558 0.55 MB/sec execute 37 sec latency 131.332 ms 1 1662 0.54 MB/sec execute 38 sec latency 44.190 ms 1 1791 0.53 MB/sec execute 39 sec latency 58.437 ms 1 1912 0.52 MB/sec execute 40 sec latency 41.438 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 3860 1267444 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 3652 1267652 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 32964 3573672 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 40668 3563684 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 73632 7137356 2% /mnt/lustre 1 2020 0.51 MB/sec execute 41 sec latency 60.308 ms 1 2154 0.50 MB/sec execute 42 sec latency 38.797 ms 1 2286 0.51 MB/sec execute 43 sec latency 42.324 ms 1 2388 0.50 MB/sec execute 44 sec latency 70.313 ms 1 2473 0.51 MB/sec execute 45 sec latency 46.920 ms test_26 fail mds2 6 times 1 2582 0.50 MB/sec execute 46 sec latency 104.204 ms Failing mds2 on oleg439-server Stopping /mnt/lustre-mds2 (opts:) on oleg439-server 1 2785 0.56 MB/sec execute 47 sec latency 61.848 ms 1 2902 0.56 MB/sec execute 48 sec latency 684.544 ms 1 2902 0.55 MB/sec execute 49 sec latency 1686.557 ms 1 2902 0.54 MB/sec execute 50 sec latency 2686.710 ms 20:51:15 (1777423875) shut down facet: mds2 facet_host: oleg439-server facet_failover_host: oleg439-server 1 2902 0.53 MB/sec execute 51 sec latency 3686.877 ms 1 2902 0.52 MB/sec execute 52 sec latency 4687.094 ms 1 2902 0.51 MB/sec execute 53 sec latency 5687.277 ms 1 2902 0.50 MB/sec execute 54 sec latency 6687.494 ms 1 2902 0.49 MB/sec execute 55 sec latency 7687.816 ms 1 2902 0.48 MB/sec execute 56 sec latency 8688.019 ms 1 2902 0.47 MB/sec execute 57 sec latency 9688.383 ms 1 2902 0.47 MB/sec execute 58 sec latency 10688.664 ms 1 2902 0.46 MB/sec execute 59 sec latency 11688.828 ms 1 2902 0.45 MB/sec execute 60 sec latency 12689.025 ms Failover mds2 to oleg439-server mount facets: mds2 1 2902 0.44 MB/sec execute 61 sec latency 13691.621 ms 1 2902 0.44 MB/sec execute 62 sec latency 14691.745 ms 1 2902 0.43 MB/sec execute 63 sec latency 15691.989 ms 1 2902 0.42 MB/sec execute 64 sec latency 16692.106 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2902 0.42 MB/sec execute 65 sec latency 17692.347 ms 1 2902 0.41 MB/sec execute 66 sec latency 18692.616 ms oleg439-server: oleg439-server.virtnet: executing set_default_debug -1 all 1 2902 0.40 MB/sec execute 67 sec latency 19692.828 ms pdsh@oleg439-client: oleg439-server: ssh exited with exit code 1 Started lustre-MDT0001 20:51:32 (1777423892) targets are mounted 20:51:32 (1777423892) facet_failover done 1 2902 0.40 MB/sec execute 68 sec latency 20693.023 ms 1 2902 0.39 MB/sec execute 69 sec latency 21693.206 ms 1 2902 0.39 MB/sec execute 70 sec latency 22693.511 ms 1 2902 0.38 MB/sec execute 71 sec latency 23693.671 ms 1 2922 0.38 MB/sec execute 72 sec latency 24468.167 ms oleg439-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1 3176 0.39 MB/sec execute 73 sec latency 41.008 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3339 0.40 MB/sec execute 74 sec latency 52.216 ms 1 3548 0.44 MB/sec execute 75 sec latency 39.221 ms 1 3677 0.43 MB/sec execute 76 sec latency 35.468 ms 1 3796 0.44 MB/sec execute 77 sec latency 34.566 ms 1 3893 0.44 MB/sec execute 78 sec latency 38.832 ms 1 4002 0.43 MB/sec execute 79 sec latency 32.164 ms 1 4106 0.43 MB/sec execute 80 sec latency 41.635 ms 1 4225 0.42 MB/sec execute 81 sec latency 60.547 ms 1 4308 0.42 MB/sec execute 82 sec latency 68.334 ms 1 4418 0.42 MB/sec execute 83 sec latency 40.586 ms 1 4504 0.42 MB/sec execute 84 sec latency 55.104 ms 1 4624 0.43 MB/sec execute 85 sec latency 41.602 ms 1 4716 0.42 MB/sec execute 86 sec latency 108.253 ms 1 4815 0.42 MB/sec execute 87 sec latency 46.882 ms 1 5000 0.45 MB/sec execute 88 sec latency 35.152 ms 1 5104 0.44 MB/sec execute 89 sec latency 88.136 ms 1 5193 0.44 MB/sec execute 90 sec latency 39.219 ms 1 5278 0.43 MB/sec execute 91 sec latency 101.599 ms 1 5371 0.43 MB/sec execute 92 sec latency 38.163 ms 1 5467 0.43 MB/sec execute 93 sec latency 122.565 ms 1 5579 0.42 MB/sec execute 94 sec latency 39.829 ms 1 5714 0.42 MB/sec execute 95 sec latency 38.956 ms 1 5820 0.42 MB/sec execute 96 sec latency 135.886 ms 1 5937 0.43 MB/sec execute 97 sec latency 68.165 ms 1 6007 0.42 MB/sec execute 98 sec latency 136.761 ms 1 6135 0.43 MB/sec execute 99 sec latency 50.402 ms 1 cleanup 100 sec 1 cleanup 101 sec 0 cleanup 102 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 1036 48.075 24468.151 Close 819 4.685 33.148 Rename 44 38.149 67.882 Unlink 165 12.517 60.514 Qpathinfo 928 7.041 104.185 Qfileinfo 229 1.266 7.242 Qfsinfo 154 1.197 65.723 Sfileinfo 100 249.618 22274.966 Find 341 5.344 27.052 WriteX 805 5.966 101.529 ReadX 1503 0.279 6.282 LockX 2 3.827 3.940 UnlockX 2 4.192 4.252 Flush 78 32.714 400.576 Throughput 0.427205 MB/sec 1 clients 1 procs max_latency=24468.167 ms stopping dbench on /mnt/lustre at Tue Apr 28 20:52:06 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 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 20:52:10 EDT 2026 stopping dbench on /mnt/lustre at Tue Apr 28 20:52:10 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished