== replay-dual test 26: dbench and tar with mds failover ========================================================== 23:01:48 (1788577308) Starting client oleg434-client.virtnet: -o user_xattr,flock 192.168.204.134@tcp:/lustre /mnt/lustre Started clients oleg434-client.virtnet: 192.168.204.134@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 45264 Started dbench loop with 45265 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3760128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3734528 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7494656 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 23:01:53 EDT 2026 waiting for dbench pid 45333 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 26 0.78 MB/sec warmup 1 sec latency 157.554 ms 1 79 1.73 MB/sec warmup 2 sec latency 157.261 ms 1 116 1.74 MB/sec warmup 3 sec latency 153.858 ms 1 148 1.57 MB/sec warmup 4 sec latency 141.634 ms test_26 fail mds1 1 times 1 189 1.51 MB/sec warmup 5 sec latency 121.032 ms 1 215 1.39 MB/sec warmup 6 sec latency 174.030 ms 1 247 1.34 MB/sec warmup 7 sec latency 165.065 ms Failing mds1 on oleg434-server 1 287 1.33 MB/sec warmup 8 sec latency 155.980 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 315 1.27 MB/sec warmup 9 sec latency 218.980 ms 1 322 1.17 MB/sec warmup 10 sec latency 862.865 ms 1 322 1.06 MB/sec warmup 11 sec latency 1864.988 ms 23:02:05 (1788577325) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 322 0.98 MB/sec warmup 12 sec latency 2868.249 ms 1 322 0.90 MB/sec warmup 13 sec latency 3868.817 ms 1 322 0.84 MB/sec warmup 14 sec latency 4869.832 ms 1 322 0.78 MB/sec warmup 15 sec latency 5870.251 ms 1 322 0.73 MB/sec warmup 16 sec latency 6870.679 ms 1 322 0.69 MB/sec warmup 17 sec latency 7871.107 ms 1 322 0.65 MB/sec warmup 18 sec latency 8871.411 ms 1 322 0.62 MB/sec warmup 19 sec latency 9872.191 ms 1 322 0.00 MB/sec execute 1 sec latency 11872.786 ms 1 322 0.00 MB/sec execute 2 sec latency 12873.217 ms Failover mds1 to oleg434-server mount facets: mds1 1 322 0.00 MB/sec execute 3 sec latency 13873.495 ms 1 322 0.00 MB/sec execute 4 sec latency 14874.814 ms 1 322 0.00 MB/sec execute 5 sec latency 15875.988 ms 1 322 0.00 MB/sec execute 6 sec latency 16877.141 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 322 0.00 MB/sec execute 7 sec latency 17877.590 ms 1 322 0.00 MB/sec execute 8 sec latency 18878.886 ms 1 322 0.00 MB/sec execute 9 sec latency 19879.135 ms 1 322 0.00 MB/sec execute 10 sec latency 20879.472 ms 1 322 0.00 MB/sec execute 11 sec latency 21884.128 ms 1 322 0.00 MB/sec execute 12 sec latency 22884.649 ms 1 322 0.00 MB/sec execute 13 sec latency 23889.167 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 329 0.01 MB/sec execute 14 sec latency 24494.910 ms 1 373 0.10 MB/sec execute 15 sec latency 154.033 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 421 0.19 MB/sec execute 16 sec latency 105.107 ms Started lustre-MDT0000 23:02:30 (1788577350) targets are mounted 23:02:30 (1788577350) facet_failover done 1 467 0.27 MB/sec execute 17 sec latency 98.529 ms 1 511 0.33 MB/sec execute 18 sec latency 109.665 ms 1 542 0.39 MB/sec execute 19 sec latency 168.325 ms 1 639 0.46 MB/sec execute 20 sec latency 169.070 ms 1 664 0.45 MB/sec execute 21 sec latency 148.752 ms 1 685 0.43 MB/sec execute 22 sec latency 296.820 ms 1 710 0.41 MB/sec execute 23 sec latency 235.553 ms 1 726 0.40 MB/sec execute 24 sec latency 324.778 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 743 0.38 MB/sec execute 25 sec latency 157.936 ms 1 769 0.37 MB/sec execute 26 sec latency 195.172 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.36 MB/sec execute 27 sec latency 246.779 ms 1 814 0.35 MB/sec execute 28 sec latency 156.872 ms 1 863 0.34 MB/sec execute 29 sec latency 131.735 ms 1 890 0.33 MB/sec execute 30 sec latency 209.741 ms 1 913 0.32 MB/sec execute 31 sec latency 189.854 ms 1 949 0.31 MB/sec execute 32 sec latency 237.288 ms 1 980 0.31 MB/sec execute 33 sec latency 155.068 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2432 2206080 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 20480 3691520 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3682304 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 56320 7373824 1% /mnt/lustre 1 998 0.30 MB/sec execute 34 sec latency 257.953 ms 1 1063 0.32 MB/sec execute 35 sec latency 103.011 ms 1 1104 0.31 MB/sec execute 36 sec latency 98.552 ms 1 1145 0.30 MB/sec execute 37 sec latency 90.958 ms 1 1182 0.30 MB/sec execute 38 sec latency 97.199 ms 1 1231 0.29 MB/sec execute 39 sec latency 83.037 ms test_26 fail mds1 2 times 1 1267 0.28 MB/sec execute 40 sec latency 121.126 ms 1 1396 0.35 MB/sec execute 41 sec latency 162.814 ms Failing mds1 on oleg434-server 1 1423 0.34 MB/sec execute 42 sec latency 128.525 ms 1 1468 0.33 MB/sec execute 43 sec latency 90.769 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 1499 0.32 MB/sec execute 44 sec latency 268.478 ms 1 1504 0.32 MB/sec execute 45 sec latency 857.164 ms 1 1504 0.31 MB/sec execute 46 sec latency 1857.391 ms 1 1504 0.30 MB/sec execute 47 sec latency 2858.099 ms 23:03:00 (1788577380) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 1504 0.30 MB/sec execute 48 sec latency 3858.728 ms 1 1504 0.29 MB/sec execute 49 sec latency 4859.010 ms 1 1504 0.29 MB/sec execute 50 sec latency 5860.057 ms 1 1504 0.28 MB/sec execute 51 sec latency 6860.276 ms 1 1504 0.27 MB/sec execute 52 sec latency 7861.543 ms 1 1504 0.27 MB/sec execute 53 sec latency 8861.739 ms 1 1504 0.26 MB/sec execute 54 sec latency 9863.330 ms 1 1504 0.26 MB/sec execute 55 sec latency 10864.098 ms 1 1504 0.26 MB/sec execute 56 sec latency 11864.350 ms 1 1504 0.25 MB/sec execute 57 sec latency 12868.046 ms Failover mds1 to oleg434-server mount facets: mds1 1 1504 0.25 MB/sec execute 58 sec latency 13868.205 ms 1 1504 0.24 MB/sec execute 59 sec latency 14868.401 ms 1 1504 0.24 MB/sec execute 60 sec latency 15869.230 ms 1 1504 0.23 MB/sec execute 61 sec latency 16870.116 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1504 0.23 MB/sec execute 62 sec latency 17870.999 ms 1 1504 0.23 MB/sec execute 63 sec latency 18872.194 ms 1 1504 0.22 MB/sec execute 64 sec latency 19877.350 ms 1 1504 0.22 MB/sec execute 65 sec latency 20882.510 ms 1 1504 0.22 MB/sec execute 66 sec latency 21883.062 ms 1 1504 0.21 MB/sec execute 67 sec latency 22884.153 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 1504 0.21 MB/sec execute 68 sec latency 23886.893 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 1504 0.21 MB/sec execute 69 sec latency 24887.067 ms Started lustre-MDT0000 23:03:23 (1788577403) targets are mounted 23:03:23 (1788577403) facet_failover done 1 1504 0.20 MB/sec execute 70 sec latency 25888.121 ms 1 1504 0.20 MB/sec execute 71 sec latency 26888.775 ms 1 1504 0.20 MB/sec execute 72 sec latency 27889.695 ms 1 1504 0.20 MB/sec execute 73 sec latency 28890.168 ms 1 1504 0.19 MB/sec execute 74 sec latency 29891.081 ms 1 1504 0.19 MB/sec execute 75 sec latency 30893.431 ms 1 1504 0.19 MB/sec execute 76 sec latency 31893.733 ms 1 1504 0.19 MB/sec execute 77 sec latency 32894.027 ms 1 1504 0.18 MB/sec execute 78 sec latency 33897.088 ms 1 1504 0.18 MB/sec execute 79 sec latency 34897.353 ms 1 1504 0.18 MB/sec execute 80 sec latency 35897.668 ms 1 1504 0.18 MB/sec execute 81 sec latency 36902.070 ms 1 1504 0.17 MB/sec execute 82 sec latency 37902.660 ms 1 1504 0.17 MB/sec execute 83 sec latency 38902.925 ms 1 1512 0.17 MB/sec execute 84 sec latency 39571.204 ms 1 1557 0.17 MB/sec execute 85 sec latency 164.031 ms 1 1591 0.17 MB/sec execute 86 sec latency 101.338 ms 1 1632 0.17 MB/sec execute 87 sec latency 132.144 ms 1 1656 0.16 MB/sec execute 88 sec latency 262.945 ms 1 1692 0.16 MB/sec execute 89 sec latency 156.619 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1753 0.16 MB/sec execute 90 sec latency 117.920 ms 1 1805 0.16 MB/sec execute 91 sec latency 102.931 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1848 0.16 MB/sec execute 92 sec latency 114.555 ms 1 1884 0.16 MB/sec execute 93 sec latency 136.560 ms 1 1915 0.16 MB/sec execute 94 sec latency 248.262 ms 1 1976 0.15 MB/sec execute 95 sec latency 94.649 ms 1 2006 0.15 MB/sec execute 96 sec latency 133.194 ms 1 2083 0.15 MB/sec execute 97 sec latency 106.652 ms 1 2150 0.15 MB/sec execute 98 sec latency 144.873 ms 1 2191 0.15 MB/sec execute 99 sec latency 98.529 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2688 2205824 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 33792 3723264 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3720192 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 73728 7443456 1% /mnt/lustre 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 341 181.809 39571.182 Close 298 95.937 24494.886 Rename 11 105.630 255.775 Unlink 29 33.308 61.184 Qpathinfo 289 18.088 131.712 Qfileinfo 90 2.061 24.966 Qfsinfo 33 5.642 31.021 Sfileinfo 34 64.637 121.112 Find 92 6.981 75.928 WriteX 331 12.429 72.167 ReadX 348 2.078 126.674 Flush 30 165.384 324.762 Throughput 0.15137 MB/sec 1 clients 1 procs max_latency=39571.204 ms stopping dbench on /mnt/lustre at Fri Sep 4 23:03:57 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 mds1 3 times looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt Failing mds1 on oleg434-server Stopping /mnt/lustre-mds1 (opts:) on oleg434-server '/usr/share/dbench/client.txt' -> 'client.txt' 23:04:07 (1788577447) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server Failover mds1 to oleg434-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 Started lustre-MDT0000 23:04:40 (1788577480) targets are mounted 23:04:40 (1788577480) facet_failover done running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Sep 4 23:04:43 EDT 2026 waiting for dbench pid 47833 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 31 1.04 MB/sec warmup 1 sec latency 22.938 ms 1 77 1.66 MB/sec warmup 2 sec latency 149.403 ms 1 122 1.82 MB/sec warmup 3 sec latency 160.270 ms 1 155 1.63 MB/sec warmup 4 sec latency 189.082 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 181 1.46 MB/sec warmup 5 sec latency 120.336 ms 1 200 1.30 MB/sec warmup 6 sec latency 185.522 ms 1 231 1.27 MB/sec warmup 7 sec latency 122.475 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 271 1.27 MB/sec warmup 8 sec latency 174.395 ms 1 297 1.22 MB/sec warmup 9 sec latency 170.932 ms 1 330 1.20 MB/sec warmup 10 sec latency 146.338 ms 1 365 1.18 MB/sec warmup 11 sec latency 121.724 ms 1 405 1.19 MB/sec warmup 12 sec latency 115.226 ms 1 449 1.21 MB/sec warmup 13 sec latency 127.740 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3200 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 54272 3676160 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3732480 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 64512 7408640 1% /mnt/lustre 1 503 1.24 MB/sec warmup 14 sec latency 147.048 ms 1 576 1.29 MB/sec warmup 15 sec latency 129.941 ms 1 641 1.31 MB/sec warmup 16 sec latency 115.335 ms 1 673 1.24 MB/sec warmup 17 sec latency 146.973 ms 1 699 1.17 MB/sec warmup 18 sec latency 150.300 ms 1 726 1.12 MB/sec warmup 19 sec latency 231.544 ms test_26 fail mds1 4 times 1 789 0.11 MB/sec execute 1 sec latency 137.667 ms Failing mds1 on oleg434-server 1 801 0.06 MB/sec execute 2 sec latency 310.706 ms Stopping /mnt/lustre-mds1 (opts:) on oleg434-server 1 849 0.07 MB/sec execute 3 sec latency 118.774 ms 1 876 0.08 MB/sec execute 4 sec latency 254.450 ms 1 878 0.06 MB/sec execute 5 sec latency 979.226 ms 1 878 0.05 MB/sec execute 6 sec latency 1979.431 ms 1 878 0.04 MB/sec execute 7 sec latency 2979.684 ms 1 878 0.04 MB/sec execute 8 sec latency 3979.963 ms 1 878 0.03 MB/sec execute 9 sec latency 4980.196 ms 1 878 0.03 MB/sec execute 10 sec latency 5981.056 ms 1 878 0.03 MB/sec execute 11 sec latency 6982.019 ms 1 878 0.03 MB/sec execute 12 sec latency 7982.915 ms 1 878 0.02 MB/sec execute 13 sec latency 8983.693 ms 23:05:16 (1788577516) shut down facet: mds1 facet_host: oleg434-server facet_failover_host: oleg434-server 1 878 0.02 MB/sec execute 14 sec latency 9984.013 ms 1 878 0.02 MB/sec execute 15 sec latency 10984.367 ms 1 878 0.02 MB/sec execute 16 sec latency 11986.100 ms 1 878 0.02 MB/sec execute 17 sec latency 12987.048 ms 1 878 0.02 MB/sec execute 18 sec latency 13987.318 ms 1 878 0.02 MB/sec execute 19 sec latency 14987.664 ms 1 878 0.02 MB/sec execute 20 sec latency 15989.637 ms 1 878 0.01 MB/sec execute 21 sec latency 16990.653 ms 1 878 0.01 MB/sec execute 22 sec latency 17990.913 ms 1 878 0.01 MB/sec execute 23 sec latency 18992.952 ms Failover mds1 to oleg434-server 1 878 0.01 MB/sec execute 24 sec latency 19993.735 ms mount facets: mds1 1 878 0.01 MB/sec execute 25 sec latency 20994.250 ms 1 878 0.01 MB/sec execute 26 sec latency 21994.828 ms 1 878 0.01 MB/sec execute 27 sec latency 22995.070 ms 1 878 0.01 MB/sec execute 28 sec latency 23995.599 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 878 0.01 MB/sec execute 29 sec latency 24997.158 ms 1 878 0.01 MB/sec execute 30 sec latency 25999.941 ms 1 878 0.01 MB/sec execute 31 sec latency 27007.520 ms 1 878 0.01 MB/sec execute 32 sec latency 28007.796 ms 1 878 0.01 MB/sec execute 33 sec latency 29009.332 ms 1 878 0.01 MB/sec execute 34 sec latency 30013.898 ms 1 878 0.01 MB/sec execute 35 sec latency 31016.069 ms oleg434-server: oleg434-server.virtnet: executing set_default_debug -1 all 1 878 0.01 MB/sec execute 36 sec latency 32017.456 ms pdsh@oleg434-client: oleg434-server: ssh exited with exit code 1 1 897 0.01 MB/sec execute 37 sec latency 32269.050 ms Started lustre-MDT0000 23:05:41 (1788577541) targets are mounted 23:05:41 (1788577541) facet_failover done 1 918 0.01 MB/sec execute 38 sec latency 250.744 ms 1 964 0.01 MB/sec execute 39 sec latency 100.645 ms 1 980 0.01 MB/sec execute 40 sec latency 454.265 ms 1 993 0.01 MB/sec execute 41 sec latency 492.152 ms 1 1059 0.04 MB/sec execute 42 sec latency 107.065 ms 1 1099 0.04 MB/sec execute 43 sec latency 98.990 ms 1 1139 0.04 MB/sec execute 44 sec latency 102.637 ms oleg434-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1181 0.04 MB/sec execute 45 sec latency 121.359 ms 1 1221 0.04 MB/sec execute 46 sec latency 103.171 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1244 0.04 MB/sec execute 47 sec latency 132.407 ms 1 1278 0.04 MB/sec execute 48 sec latency 159.255 ms 1 1410 0.10 MB/sec execute 49 sec latency 94.075 ms 1 1445 0.09 MB/sec execute 50 sec latency 112.328 ms 1 1476 0.09 MB/sec execute 51 sec latency 108.812 ms 1 1509 0.09 MB/sec execute 52 sec latency 194.823 ms 1 1562 0.09 MB/sec execute 53 sec latency 94.869 ms 1 1609 0.09 MB/sec execute 54 sec latency 93.711 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1655 0.09 MB/sec execute 55 sec latency 155.573 ms 1 1696 0.09 MB/sec execute 56 sec latency 96.612 ms 1 1752 0.09 MB/sec execute 57 sec latency 108.541 ms 1 1805 0.09 MB/sec execute 58 sec latency 117.623 ms 1 1849 0.08 MB/sec execute 59 sec latency 137.052 ms 1 1884 0.08 MB/sec execute 60 sec latency 171.392 ms 1 1924 0.08 MB/sec execute 61 sec latency 242.596 ms 1 1982 0.08 MB/sec execute 62 sec latency 129.129 ms 1 2040 0.08 MB/sec execute 63 sec latency 123.126 ms 1 2098 0.08 MB/sec execute 64 sec latency 107.135 ms 1 2154 0.08 MB/sec execute 65 sec latency 109.726 ms 1 2170 0.08 MB/sec execute 66 sec latency 263.572 ms tar: Error is not recoverable: exiting now 1 2210 0.08 MB/sec execute 67 sec latency 166.060 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 4 23:06:10 EDT 2026 with return code 0 47833 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47833 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished