== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:31:28 (1787859088) Starting client oleg626-client.virtnet: -o user_xattr,flock 192.168.206.126@tcp:/lustre /mnt/lustre Started clients oleg626-client.virtnet: 192.168.206.126@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 65610 Started dbench loop with 65611 striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /mnt/lustre/d26.replay-dual/run_tar 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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3584868 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190344 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 Aug 27 15:31:33 EDT 2026 waiting for dbench pid 65689 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 28 0.92 MB/sec warmup 1 sec latency 15.028 ms 1 96 2.16 MB/sec warmup 2 sec latency 96.220 ms 1 137 2.00 MB/sec warmup 3 sec latency 151.390 ms 1 169 1.71 MB/sec warmup 4 sec latency 139.758 ms 1 194 1.54 MB/sec warmup 5 sec latency 399.615 ms 1 230 1.48 MB/sec warmup 6 sec latency 189.207 ms 1 289 1.53 MB/sec warmup 7 sec latency 79.669 ms 1 331 1.50 MB/sec warmup 8 sec latency 97.491 ms test_26 fail mds1 1 times 1 371 1.47 MB/sec warmup 9 sec latency 143.985 ms Failing mds1 on oleg626-server 1 406 1.43 MB/sec warmup 10 sec latency 131.279 ms Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 445 1.42 MB/sec warmup 11 sec latency 143.932 ms 1 484 1.41 MB/sec warmup 12 sec latency 194.309 ms 1 484 1.30 MB/sec warmup 13 sec latency 1194.487 ms 1 484 1.21 MB/sec warmup 14 sec latency 2195.158 ms 15:31:48 (1787859108) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 484 1.13 MB/sec warmup 15 sec latency 3195.687 ms 1 484 1.06 MB/sec warmup 16 sec latency 4195.959 ms 1 484 1.00 MB/sec warmup 17 sec latency 5196.328 ms 1 484 0.94 MB/sec warmup 18 sec latency 6196.578 ms 1 484 0.89 MB/sec warmup 19 sec latency 7196.927 ms 1 484 0.00 MB/sec execute 1 sec latency 9197.288 ms 1 484 0.00 MB/sec execute 2 sec latency 10198.814 ms 1 484 0.00 MB/sec execute 3 sec latency 11199.795 ms 1 484 0.00 MB/sec execute 4 sec latency 12200.133 ms Failover mds1 to oleg626-server 1 484 0.00 MB/sec execute 5 sec latency 13200.289 ms mount facets: mds1 1 484 0.00 MB/sec execute 6 sec latency 14200.519 ms 1 484 0.00 MB/sec execute 7 sec latency 15200.686 ms 1 484 0.00 MB/sec execute 8 sec latency 16202.873 ms 1 484 0.00 MB/sec execute 9 sec latency 17203.585 ms 1 484 0.00 MB/sec execute 10 sec latency 18203.899 ms 1 484 0.00 MB/sec execute 11 sec latency 19204.339 ms 1 484 0.00 MB/sec execute 12 sec latency 20204.510 ms 1 484 0.00 MB/sec execute 13 sec latency 21206.081 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 484 0.00 MB/sec execute 14 sec latency 22206.444 ms 1 484 0.00 MB/sec execute 15 sec latency 23207.357 ms 1 484 0.00 MB/sec execute 16 sec latency 24207.981 ms 1 484 0.00 MB/sec execute 17 sec latency 25209.533 ms 1 484 0.00 MB/sec execute 18 sec latency 26209.872 ms 1 484 0.00 MB/sec execute 19 sec latency 27210.800 ms 1 484 0.00 MB/sec execute 20 sec latency 28213.185 ms 1 484 0.00 MB/sec execute 21 sec latency 29213.573 ms 1 484 0.00 MB/sec execute 22 sec latency 30214.435 ms 1 484 0.00 MB/sec execute 23 sec latency 31214.801 ms 1 484 0.00 MB/sec execute 24 sec latency 32215.179 ms 1 484 0.00 MB/sec execute 25 sec latency 33215.457 ms 1 484 0.00 MB/sec execute 26 sec latency 34215.707 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 484 0.00 MB/sec execute 27 sec latency 35215.898 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 484 0.00 MB/sec execute 28 sec latency 36227.991 ms Started lustre-MDT0000 15:32:22 (1787859142) targets are mounted 15:32:22 (1787859142) facet_failover done 1 484 0.00 MB/sec execute 29 sec latency 37228.881 ms 1 499 0.02 MB/sec execute 30 sec latency 37938.043 ms 1 538 0.06 MB/sec execute 31 sec latency 124.624 ms 1 583 0.09 MB/sec execute 32 sec latency 522.044 ms 1 640 0.12 MB/sec execute 33 sec latency 100.687 ms 1 674 0.12 MB/sec execute 34 sec latency 171.381 ms 1 708 0.12 MB/sec execute 35 sec latency 127.197 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 735 0.12 MB/sec execute 36 sec latency 127.607 ms 1 767 0.12 MB/sec execute 37 sec latency 149.319 ms 1 789 0.12 MB/sec execute 38 sec latency 162.461 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 821 0.12 MB/sec execute 39 sec latency 89.182 ms 1 865 0.12 MB/sec execute 40 sec latency 109.121 ms 1 902 0.12 MB/sec execute 41 sec latency 94.333 ms 1 929 0.11 MB/sec execute 42 sec latency 126.508 ms 1 970 0.11 MB/sec execute 43 sec latency 106.978 ms 1 1005 0.12 MB/sec execute 44 sec latency 102.805 ms 1 1062 0.13 MB/sec execute 45 sec latency 96.775 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 44736 3559228 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11492 3595108 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 56228 7154336 1% /mnt/lustre 1 1119 0.13 MB/sec execute 46 sec latency 70.363 ms 1 1156 0.13 MB/sec execute 47 sec latency 106.746 ms 1 1172 0.13 MB/sec execute 48 sec latency 788.829 ms 1 1190 0.12 MB/sec execute 49 sec latency 1136.362 ms 1 1229 0.12 MB/sec execute 50 sec latency 104.908 ms 1 1262 0.12 MB/sec execute 51 sec latency 173.845 ms 1 1387 0.17 MB/sec execute 52 sec latency 95.854 ms 1 1426 0.17 MB/sec execute 53 sec latency 107.796 ms 1 1488 0.17 MB/sec execute 54 sec latency 76.960 ms test_26 fail mds2 2 times 1 1532 0.17 MB/sec execute 55 sec latency 98.899 ms 1 1574 0.16 MB/sec execute 56 sec latency 80.908 ms Failing mds2 on oleg626-server 1 1612 0.16 MB/sec execute 57 sec latency 84.162 ms Stopping /mnt/lustre-mds2 (opts:) on oleg626-server 1 1651 0.16 MB/sec execute 58 sec latency 104.510 ms 1 1687 0.16 MB/sec execute 59 sec latency 165.329 ms 1 1750 0.16 MB/sec execute 60 sec latency 138.287 ms 1 1814 0.15 MB/sec execute 61 sec latency 104.250 ms 15:32:55 (1787859175) shut down facet: mds2 facet_host: oleg626-server facet_failover_host: oleg626-server 1 1862 0.15 MB/sec execute 62 sec latency 124.239 ms 1 1948 0.15 MB/sec execute 63 sec latency 88.345 ms 1 2006 0.15 MB/sec execute 64 sec latency 106.450 ms 1 2095 0.15 MB/sec execute 65 sec latency 99.507 ms 1 2154 0.15 MB/sec execute 66 sec latency 100.059 ms 1 2202 0.15 MB/sec execute 67 sec latency 89.799 ms 1 2259 0.14 MB/sec execute 68 sec latency 333.298 ms 1 2259 0.14 MB/sec execute 69 sec latency 1333.759 ms 1 2259 0.14 MB/sec execute 70 sec latency 2334.576 ms 1 2259 0.14 MB/sec execute 71 sec latency 3334.786 ms Failover mds2 to oleg626-server mount facets: mds2 1 2259 0.14 MB/sec execute 72 sec latency 4334.955 ms 1 2259 0.13 MB/sec execute 73 sec latency 5335.296 ms 1 2259 0.13 MB/sec execute 74 sec latency 6335.579 ms 1 2259 0.13 MB/sec execute 75 sec latency 7335.801 ms 1 2259 0.13 MB/sec execute 76 sec latency 8336.088 ms 1 2259 0.13 MB/sec execute 77 sec latency 9338.981 ms 1 2259 0.13 MB/sec execute 78 sec latency 10339.640 ms 1 2259 0.12 MB/sec execute 79 sec latency 11340.443 ms 1 2259 0.12 MB/sec execute 80 sec latency 12340.690 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 81 sec latency 13341.358 ms 1 2259 0.12 MB/sec execute 82 sec latency 14342.704 ms 1 2259 0.12 MB/sec execute 83 sec latency 15343.026 ms 1 2259 0.12 MB/sec execute 84 sec latency 16343.683 ms 1 2259 0.12 MB/sec execute 85 sec latency 17345.036 ms 1 2259 0.11 MB/sec execute 86 sec latency 18346.016 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 87 sec latency 19349.151 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 2259 0.11 MB/sec execute 88 sec latency 20350.386 ms Started lustre-MDT0001 15:33:22 (1787859202) targets are mounted 15:33:22 (1787859202) facet_failover done 1 2259 0.11 MB/sec execute 89 sec latency 21351.968 ms 1 2321 0.12 MB/sec execute 90 sec latency 21634.286 ms 1 2357 0.12 MB/sec execute 91 sec latency 111.589 ms 1 2388 0.12 MB/sec execute 92 sec latency 133.755 ms 1 2412 0.12 MB/sec execute 93 sec latency 119.768 ms 1 2447 0.12 MB/sec execute 94 sec latency 144.254 ms 1 2484 0.12 MB/sec execute 95 sec latency 128.413 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2566 0.12 MB/sec execute 96 sec latency 110.210 ms 1 2596 0.12 MB/sec execute 97 sec latency 140.561 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2719 0.15 MB/sec execute 98 sec latency 178.702 ms 1 2875 0.15 MB/sec execute 99 sec latency 112.362 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 390 107.939 21634.263 Close 330 127.225 37938.013 Rename 18 102.282 178.687 Unlink 44 26.607 52.992 Qpathinfo 369 16.663 119.747 Qfileinfo 97 2.189 23.241 Qfsinfo 55 3.532 22.552 Sfileinfo 50 69.236 144.233 Find 128 12.301 63.275 WriteX 311 13.618 66.825 ReadX 614 1.896 95.789 LockX 2 15.696 16.581 UnlockX 2 13.767 20.323 Flush 36 67.688 171.364 Throughput 0.153876 MB/sec 1 clients 1 procs max_latency=37938.043 ms stopping dbench on /mnt/lustre at Thu Aug 27 15:33:39 EDT 2026 with return code 0 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2344 1268960 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 54460 3551320 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 6952 3599060 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 61412 7150380 1% /mnt/lustre clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 test_26 fail mds1 3 times '/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 Aug 27 15:33:52 EDT 2026 waiting for dbench pid 67943 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 5 0.00 MB/sec warmup 1 sec latency 173.226 ms 1 30 0.52 MB/sec warmup 2 sec latency 45.049 ms Failing mds1 on oleg626-server 1 57 0.76 MB/sec warmup 3 sec latency 216.633 ms Stopping /mnt/lustre-mds1 (opts:) on oleg626-server 1 99 1.13 MB/sec warmup 4 sec latency 112.021 ms 1 119 1.08 MB/sec warmup 5 sec latency 395.260 ms 1 137 1.00 MB/sec warmup 6 sec latency 325.647 ms 1 137 0.86 MB/sec warmup 7 sec latency 1326.648 ms 1 137 0.75 MB/sec warmup 8 sec latency 2327.340 ms 15:34:01 (1787859241) shut down facet: mds1 facet_host: oleg626-server facet_failover_host: oleg626-server 1 137 0.67 MB/sec warmup 9 sec latency 3332.091 ms 1 137 0.60 MB/sec warmup 10 sec latency 4333.633 ms 1 137 0.55 MB/sec warmup 11 sec latency 5333.826 ms 1 137 0.50 MB/sec warmup 12 sec latency 6334.923 ms 1 137 0.46 MB/sec warmup 13 sec latency 7335.304 ms 1 137 0.43 MB/sec warmup 14 sec latency 8335.591 ms 1 137 0.40 MB/sec warmup 15 sec latency 9335.861 ms 1 137 0.38 MB/sec warmup 16 sec latency 10336.361 ms 1 137 0.35 MB/sec warmup 17 sec latency 11339.297 ms 1 137 0.33 MB/sec warmup 18 sec latency 12343.976 ms 1 137 0.32 MB/sec warmup 19 sec latency 13344.120 ms Failover mds1 to oleg626-server mount facets: mds1 1 137 0.00 MB/sec execute 1 sec latency 15373.627 ms 1 137 0.00 MB/sec execute 2 sec latency 16375.179 ms 1 137 0.00 MB/sec execute 3 sec latency 17375.367 ms 1 137 0.00 MB/sec execute 4 sec latency 18375.690 ms 1 137 0.00 MB/sec execute 5 sec latency 19375.911 ms 1 137 0.00 MB/sec execute 6 sec latency 20376.185 ms 1 137 0.00 MB/sec execute 7 sec latency 21378.264 ms 1 137 0.00 MB/sec execute 8 sec latency 22378.467 ms 1 137 0.00 MB/sec execute 9 sec latency 23380.704 ms 1 137 0.00 MB/sec execute 10 sec latency 24387.416 ms 1 137 0.00 MB/sec execute 11 sec latency 25391.936 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 137 0.00 MB/sec execute 12 sec latency 26396.846 ms 1 137 0.00 MB/sec execute 13 sec latency 27397.053 ms 1 137 0.00 MB/sec execute 14 sec latency 28397.258 ms 1 137 0.00 MB/sec execute 15 sec latency 29398.889 ms 1 137 0.00 MB/sec execute 16 sec latency 30399.584 ms 1 137 0.00 MB/sec execute 17 sec latency 31399.949 ms 1 137 0.00 MB/sec execute 18 sec latency 32400.191 ms 1 137 0.00 MB/sec execute 19 sec latency 33400.421 ms 1 137 0.00 MB/sec execute 20 sec latency 34400.786 ms 1 137 0.00 MB/sec execute 21 sec latency 35401.029 ms oleg626-server: oleg626-server.virtnet: executing set_default_debug -1 all 1 137 0.00 MB/sec execute 22 sec latency 36401.244 ms 1 137 0.00 MB/sec execute 23 sec latency 37405.438 ms pdsh@oleg626-client: oleg626-server: ssh exited with exit code 1 1 157 0.02 MB/sec execute 24 sec latency 37680.878 ms Started lustre-MDT0000 15:34:37 (1787859277) targets are mounted 15:34:37 (1787859277) facet_failover done 1 184 0.05 MB/sec execute 25 sec latency 138.955 ms 1 199 0.07 MB/sec execute 26 sec latency 566.087 ms 1 231 0.11 MB/sec execute 27 sec latency 175.229 ms 1 269 0.15 MB/sec execute 28 sec latency 154.332 ms 1 289 0.16 MB/sec execute 29 sec latency 214.148 ms 1 319 0.18 MB/sec execute 30 sec latency 164.591 ms 1 341 0.20 MB/sec execute 31 sec latency 284.130 ms oleg626-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 374 0.23 MB/sec execute 32 sec latency 187.233 ms 1 405 0.25 MB/sec execute 33 sec latency 162.337 ms 1 444 0.28 MB/sec execute 34 sec latency 137.333 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 470 0.30 MB/sec execute 35 sec latency 230.805 ms 1 501 0.32 MB/sec execute 36 sec latency 160.689 ms 1 522 0.32 MB/sec execute 37 sec latency 222.548 ms 1 584 0.37 MB/sec execute 38 sec latency 198.691 ms 1 641 0.38 MB/sec execute 39 sec latency 133.211 ms 1 675 0.38 MB/sec execute 40 sec latency 101.712 ms 1 711 0.37 MB/sec execute 41 sec latency 162.967 ms 1 743 0.36 MB/sec execute 42 sec latency 91.797 ms 1 786 0.36 MB/sec execute 43 sec latency 130.525 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 814 0.35 MB/sec execute 44 sec latency 145.091 ms 1 863 0.34 MB/sec execute 45 sec latency 131.734 ms 1 884 0.34 MB/sec execute 46 sec latency 314.338 ms 1 884 0.33 MB/sec execute 47 sec latency 1314.519 ms 1 900 0.33 MB/sec execute 48 sec latency 1541.726 ms 1 921 0.32 MB/sec execute 49 sec latency 153.377 ms 1 969 0.32 MB/sec execute 50 sec latency 104.720 ms 1 1009 0.32 MB/sec execute 51 sec latency 90.565 ms 1 1076 0.32 MB/sec execute 52 sec latency 111.676 ms 1 1129 0.32 MB/sec execute 53 sec latency 75.109 ms 1 1176 0.31 MB/sec execute 54 sec latency 73.805 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 15:35:07 EDT 2026 with return code 0 67943 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67943 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished