== replay-dual test 26: dbench and tar with mds failover ========================================================== 12:19:35 (1786724375) Starting client oleg231-client.virtnet: -o user_xattr,flock 192.168.202.131@tcp:/lustre /mnt/lustre Started clients oleg231-client.virtnet: 192.168.202.131@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 65673 Started dbench loop with 65674 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3597140 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202616 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 Aug 14 12:19:42 EDT 2026 waiting for dbench pid 65763 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 10 0.00 MB/sec warmup 1 sec latency 146.453 ms 1 51 1.04 MB/sec warmup 2 sec latency 169.838 ms 1 97 1.45 MB/sec warmup 3 sec latency 158.048 ms 1 130 1.43 MB/sec warmup 4 sec latency 240.054 ms 1 137 1.20 MB/sec warmup 5 sec latency 915.711 ms 1 155 1.08 MB/sec warmup 6 sec latency 1060.616 ms 1 184 1.05 MB/sec warmup 7 sec latency 212.374 ms 1 204 0.99 MB/sec warmup 8 sec latency 582.904 ms test_26 fail mds1 1 times 1 234 0.98 MB/sec warmup 9 sec latency 143.623 ms 1 263 0.99 MB/sec warmup 10 sec latency 120.013 ms Failing mds1 on oleg231-server 1 288 0.97 MB/sec warmup 11 sec latency 251.662 ms 1 315 0.95 MB/sec warmup 12 sec latency 176.094 ms Stopping /mnt/lustre-mds1 (opts:) on oleg231-server 1 339 0.94 MB/sec warmup 13 sec latency 295.096 ms 1 361 0.91 MB/sec warmup 14 sec latency 242.391 ms 1 398 0.93 MB/sec warmup 15 sec latency 126.146 ms 1 434 0.95 MB/sec warmup 16 sec latency 134.647 ms 12:19:59 (1786724399) shut down 1 469 0.96 MB/sec warmup 17 sec latency 112.894 ms facet: mds1 facet_host: oleg231-server facet_failover_host: oleg231-server 1 501 0.97 MB/sec warmup 18 sec latency 197.107 ms 1 501 0.92 MB/sec warmup 19 sec latency 1197.522 ms 1 501 0.00 MB/sec execute 1 sec latency 3199.907 ms 1 501 0.00 MB/sec execute 2 sec latency 4200.226 ms 1 501 0.00 MB/sec execute 3 sec latency 5200.526 ms 1 501 0.00 MB/sec execute 4 sec latency 6201.053 ms 1 501 0.00 MB/sec execute 5 sec latency 7204.928 ms 1 501 0.00 MB/sec execute 6 sec latency 8205.165 ms 1 501 0.00 MB/sec execute 7 sec latency 9205.879 ms Failover mds1 to oleg231-server mount facets: mds1 1 501 0.00 MB/sec execute 8 sec latency 10206.939 ms 1 501 0.00 MB/sec execute 9 sec latency 11207.202 ms 1 501 0.00 MB/sec execute 10 sec latency 12207.545 ms 1 501 0.00 MB/sec execute 11 sec latency 13207.857 ms 1 501 0.00 MB/sec execute 12 sec latency 14208.172 ms 1 501 0.00 MB/sec execute 13 sec latency 15208.546 ms 1 501 0.00 MB/sec execute 14 sec latency 16220.142 ms 1 501 0.00 MB/sec execute 15 sec latency 17220.930 ms 1 501 0.00 MB/sec execute 16 sec latency 18221.354 ms 1 501 0.00 MB/sec execute 17 sec latency 19221.842 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 18 sec latency 20222.938 ms 1 501 0.00 MB/sec execute 19 sec latency 21223.174 ms 1 501 0.00 MB/sec execute 20 sec latency 22223.886 ms 1 501 0.00 MB/sec execute 21 sec latency 23224.130 ms 1 501 0.00 MB/sec execute 22 sec latency 24225.083 ms 1 501 0.00 MB/sec execute 23 sec latency 25225.718 ms 1 501 0.00 MB/sec execute 24 sec latency 26226.026 ms 1 501 0.00 MB/sec execute 25 sec latency 27227.069 ms 1 501 0.00 MB/sec execute 26 sec latency 28227.311 ms 1 501 0.00 MB/sec execute 27 sec latency 29229.482 ms 1 501 0.00 MB/sec execute 28 sec latency 30230.088 ms 1 501 0.00 MB/sec execute 29 sec latency 31230.342 ms 1 501 0.00 MB/sec execute 30 sec latency 32233.115 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 31 sec latency 33236.411 ms pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 32 sec latency 34236.680 ms Started lustre-MDT0000 12:20:35 (1786724435) targets are mounted 12:20:35 (1786724435) facet_failover done 1 501 0.00 MB/sec execute 33 sec latency 35237.131 ms 1 504 0.00 MB/sec execute 34 sec latency 36070.379 ms 1 537 0.04 MB/sec execute 35 sec latency 146.629 ms 1 555 0.05 MB/sec execute 36 sec latency 702.957 ms 1 616 0.09 MB/sec execute 37 sec latency 96.606 ms 1 661 0.10 MB/sec execute 38 sec latency 154.309 ms 1 695 0.10 MB/sec execute 39 sec latency 132.512 ms 1 713 0.09 MB/sec execute 40 sec latency 170.550 ms oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.09 MB/sec execute 41 sec latency 133.639 ms 1 769 0.09 MB/sec execute 42 sec latency 153.536 ms 1 789 0.09 MB/sec execute 43 sec latency 202.455 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 811 0.09 MB/sec execute 44 sec latency 195.055 ms 1 851 0.09 MB/sec execute 45 sec latency 180.948 ms 1 882 0.09 MB/sec execute 46 sec latency 152.021 ms 1 914 0.09 MB/sec execute 47 sec latency 105.707 ms 1 952 0.09 MB/sec execute 48 sec latency 107.365 ms 1 980 0.09 MB/sec execute 49 sec latency 135.706 ms 1 1009 0.10 MB/sec execute 50 sec latency 123.036 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2060 1269244 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1884 1269420 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 38612 3558256 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9308 3596384 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47920 7154640 1% /mnt/lustre 1 1067 0.11 MB/sec execute 51 sec latency 138.075 ms 1 1126 0.11 MB/sec execute 52 sec latency 85.509 ms 1 1161 0.10 MB/sec execute 53 sec latency 129.333 ms 1 1172 0.10 MB/sec execute 54 sec latency 813.331 ms 1 1215 0.10 MB/sec execute 55 sec latency 907.442 ms 1 1243 0.10 MB/sec execute 56 sec latency 134.627 ms 1 1273 0.10 MB/sec execute 57 sec latency 214.353 ms 1 1401 0.15 MB/sec execute 58 sec latency 333.092 ms 1 1442 0.14 MB/sec execute 59 sec latency 96.029 ms 1 1489 0.14 MB/sec execute 60 sec latency 128.620 ms test_26 fail mds2 2 times 1 1523 0.14 MB/sec execute 61 sec latency 124.157 ms 1 1582 0.14 MB/sec execute 62 sec latency 97.139 ms Failing mds2 on oleg231-server 1 1632 0.14 MB/sec execute 63 sec latency 132.917 ms Stopping /mnt/lustre-mds2 (opts:) on oleg231-server 1 1672 0.14 MB/sec execute 64 sec latency 110.894 ms 1 1686 0.13 MB/sec execute 65 sec latency 767.668 ms 1 1686 0.13 MB/sec execute 66 sec latency 1768.254 ms 1 1686 0.13 MB/sec execute 67 sec latency 2768.546 ms 1 1686 0.13 MB/sec execute 68 sec latency 3768.790 ms 1 1686 0.13 MB/sec execute 69 sec latency 4769.563 ms 1 1686 0.12 MB/sec execute 70 sec latency 5769.994 ms 1 1686 0.12 MB/sec execute 71 sec latency 6770.563 ms 1 1686 0.12 MB/sec execute 72 sec latency 7770.745 ms 12:21:15 (1786724475) shut down facet: mds2 facet_host: oleg231-server facet_failover_host: oleg231-server 1 1686 0.12 MB/sec execute 73 sec latency 8770.953 ms 1 1686 0.12 MB/sec execute 74 sec latency 9774.949 ms 1 1686 0.12 MB/sec execute 75 sec latency 10775.229 ms 1 1686 0.12 MB/sec execute 76 sec latency 11775.424 ms 1 1686 0.11 MB/sec execute 77 sec latency 12778.211 ms 1 1686 0.11 MB/sec execute 78 sec latency 13778.601 ms 1 1686 0.11 MB/sec execute 79 sec latency 14779.113 ms 1 1686 0.11 MB/sec execute 80 sec latency 15779.428 ms 1 1686 0.11 MB/sec execute 81 sec latency 16780.580 ms 1 1686 0.11 MB/sec execute 82 sec latency 17780.988 ms Failover mds2 to oleg231-server mount facets: mds2 1 1686 0.11 MB/sec execute 83 sec latency 18781.137 ms 1 1686 0.10 MB/sec execute 84 sec latency 19781.344 ms 1 1686 0.10 MB/sec execute 85 sec latency 20781.706 ms 1 1686 0.10 MB/sec execute 86 sec latency 21781.947 ms 1 1686 0.10 MB/sec execute 87 sec latency 22782.235 ms 1 1686 0.10 MB/sec execute 88 sec latency 23782.432 ms 1 1686 0.10 MB/sec execute 89 sec latency 24782.777 ms 1 1686 0.10 MB/sec execute 90 sec latency 25783.024 ms 1 1686 0.10 MB/sec execute 91 sec latency 26783.371 ms 1 1686 0.10 MB/sec execute 92 sec latency 27783.678 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1686 0.09 MB/sec execute 93 sec latency 28786.573 ms 1 1686 0.09 MB/sec execute 94 sec latency 29786.817 ms 1 1686 0.09 MB/sec execute 95 sec latency 30787.027 ms 1 1686 0.09 MB/sec execute 96 sec latency 31787.376 ms 1 1686 0.09 MB/sec execute 97 sec latency 32787.662 ms 1 1686 0.09 MB/sec execute 98 sec latency 33788.534 ms 1 1686 0.09 MB/sec execute 99 sec latency 34788.790 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 cleanup 100 sec pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 cleanup 101 sec 1 cleanup 102 sec Started lustre-MDT0001 12:21:44 (1786724504) targets are mounted 12:21:44 (1786724504) facet_failover done 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 193 254.643 36070.360 Close 166 13.679 44.133 Rename 11 3504.950 37471.714 Unlink 22 48.134 333.063 Qpathinfo 152 18.947 128.593 Qfileinfo 48 3.291 25.889 Qfsinfo 33 4.978 25.602 Sfileinfo 34 78.157 195.034 Find 61 13.592 83.354 WriteX 183 15.770 96.509 ReadX 256 0.179 9.874 Flush 27 64.094 147.604 Throughput 0.0883275 MB/sec 1 clients 1 procs max_latency=36070.379 ms stopping dbench on /mnt/lustre at Fri Aug 14 12:21:48 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 fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec '/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 Aug 14 12:21:58 EDT 2026 waiting for dbench pid 67821 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 15 0.07 MB/sec warmup 1 sec latency 24.360 ms 1 71 1.57 MB/sec warmup 2 sec latency 92.410 ms 1 117 1.76 MB/sec warmup 3 sec latency 124.824 ms 1 155 1.63 MB/sec warmup 4 sec latency 137.097 ms 1 184 1.47 MB/sec warmup 5 sec latency 133.423 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2272 1269032 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11964 3594860 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34636 3569256 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46600 7164116 1% /mnt/lustre 1 197 1.30 MB/sec warmup 6 sec latency 635.340 ms 1 228 1.25 MB/sec warmup 7 sec latency 235.596 ms 1 264 1.24 MB/sec warmup 8 sec latency 119.359 ms 1 306 1.25 MB/sec warmup 9 sec latency 124.179 ms 1 341 1.22 MB/sec warmup 10 sec latency 166.810 ms 1 364 1.18 MB/sec warmup 11 sec latency 337.118 ms 1 373 1.11 MB/sec warmup 12 sec latency 968.092 ms 1 413 1.12 MB/sec warmup 13 sec latency 162.647 ms 1 453 1.13 MB/sec warmup 14 sec latency 110.878 ms 1 501 1.16 MB/sec warmup 15 sec latency 105.483 ms test_26 fail mds1 3 times 1 526 1.13 MB/sec warmup 16 sec latency 223.727 ms 1 606 1.23 MB/sec warmup 17 sec latency 87.910 ms Failing mds1 on oleg231-server 1 664 1.17 MB/sec warmup 18 sec latency 101.969 ms Stopping /mnt/lustre-mds1 (opts:) on oleg231-server 1 699 1.11 MB/sec warmup 19 sec latency 132.114 ms 1 699 0.00 MB/sec execute 1 sec latency 2125.370 ms 1 699 0.00 MB/sec execute 2 sec latency 3125.922 ms 1 699 0.00 MB/sec execute 3 sec latency 4126.193 ms 1 699 0.00 MB/sec execute 4 sec latency 5129.206 ms 1 699 0.00 MB/sec execute 5 sec latency 6129.452 ms 1 699 0.00 MB/sec execute 6 sec latency 7129.687 ms 1 699 0.00 MB/sec execute 7 sec latency 8130.084 ms 12:22:25 (1786724545) shut down facet: mds1 facet_host: oleg231-server facet_failover_host: oleg231-server 1 699 0.00 MB/sec execute 8 sec latency 9130.576 ms 1 699 0.00 MB/sec execute 9 sec latency 10132.013 ms 1 699 0.00 MB/sec execute 10 sec latency 11132.289 ms 1 699 0.00 MB/sec execute 11 sec latency 12132.473 ms 1 699 0.00 MB/sec execute 12 sec latency 13135.877 ms 1 699 0.00 MB/sec execute 13 sec latency 14136.621 ms 1 699 0.00 MB/sec execute 14 sec latency 15137.518 ms 1 699 0.00 MB/sec execute 15 sec latency 16137.815 ms 1 699 0.00 MB/sec execute 16 sec latency 17138.189 ms 1 699 0.00 MB/sec execute 17 sec latency 18140.437 ms Failover mds1 to oleg231-server mount facets: mds1 1 699 0.00 MB/sec execute 18 sec latency 19140.826 ms 1 699 0.00 MB/sec execute 19 sec latency 20141.935 ms 1 699 0.00 MB/sec execute 20 sec latency 21143.030 ms 1 699 0.00 MB/sec execute 21 sec latency 22143.267 ms 1 699 0.00 MB/sec execute 22 sec latency 23143.442 ms 1 699 0.00 MB/sec execute 23 sec latency 24143.624 ms 1 699 0.00 MB/sec execute 24 sec latency 25145.144 ms 1 699 0.00 MB/sec execute 25 sec latency 26145.420 ms 1 699 0.00 MB/sec execute 26 sec latency 27146.551 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 699 0.00 MB/sec execute 27 sec latency 28150.504 ms 1 699 0.00 MB/sec execute 28 sec latency 29150.721 ms 1 699 0.00 MB/sec execute 29 sec latency 30152.153 ms 1 699 0.00 MB/sec execute 30 sec latency 31152.428 ms 1 699 0.00 MB/sec execute 31 sec latency 32153.758 ms 1 699 0.00 MB/sec execute 32 sec latency 33156.507 ms 1 699 0.00 MB/sec execute 33 sec latency 34156.835 ms 1 699 0.00 MB/sec execute 34 sec latency 35157.156 ms 1 699 0.00 MB/sec execute 35 sec latency 36157.525 ms 1 699 0.00 MB/sec execute 36 sec latency 37157.744 ms 1 699 0.00 MB/sec execute 37 sec latency 38159.910 ms 1 699 0.00 MB/sec execute 38 sec latency 39162.135 ms 1 699 0.00 MB/sec execute 39 sec latency 40162.667 ms 1 699 0.00 MB/sec execute 40 sec latency 41162.972 ms oleg231-server: oleg231-server.virtnet: executing set_default_debug -1 all 1 699 0.00 MB/sec execute 41 sec latency 42163.907 ms pdsh@oleg231-client: oleg231-server: ssh exited with exit code 1 1 699 0.00 MB/sec execute 42 sec latency 43164.774 ms 1 699 0.00 MB/sec execute 43 sec latency 44165.384 ms Started lustre-MDT0000 12:23:01 (1786724581) targets are mounted 12:23:01 (1786724581) facet_failover done 1 720 0.00 MB/sec execute 44 sec latency 44313.302 ms 1 730 0.00 MB/sec execute 45 sec latency 1031.646 ms 1 778 0.00 MB/sec execute 46 sec latency 86.363 ms 1 799 0.01 MB/sec execute 47 sec latency 176.000 ms 1 845 0.01 MB/sec execute 48 sec latency 164.682 ms 1 885 0.01 MB/sec execute 49 sec latency 101.089 ms oleg231-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 921 0.01 MB/sec execute 50 sec latency 114.951 ms 1 957 0.01 MB/sec execute 51 sec latency 137.776 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 980 0.01 MB/sec execute 52 sec latency 163.152 ms 1 1006 0.02 MB/sec execute 53 sec latency 188.871 ms 1 1067 0.03 MB/sec execute 54 sec latency 103.544 ms 1 1128 0.03 MB/sec execute 55 sec latency 93.941 ms 1 1180 0.03 MB/sec execute 56 sec latency 89.772 ms 1 1242 0.03 MB/sec execute 57 sec latency 70.214 ms 1 1319 0.05 MB/sec execute 58 sec latency 156.800 ms 1 1387 0.08 MB/sec execute 59 sec latency 730.125 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1419 0.08 MB/sec execute 60 sec latency 107.416 ms 1 1467 0.08 MB/sec execute 61 sec latency 93.050 ms 1 1502 0.08 MB/sec execute 62 sec latency 131.247 ms 1 1558 0.08 MB/sec execute 63 sec latency 66.602 ms 1 1587 0.08 MB/sec execute 64 sec latency 74.243 ms 1 1634 0.08 MB/sec execute 65 sec latency 167.580 ms 1 1669 0.08 MB/sec execute 66 sec latency 118.868 ms 1 1717 0.08 MB/sec execute 67 sec latency 121.071 ms 1 1781 0.07 MB/sec execute 68 sec latency 88.141 ms 1 1845 0.07 MB/sec execute 69 sec latency 107.638 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 12:23:27 EDT 2026 with return code 0 1 1884 0.07 MB/sec execute 70 sec latency 138.787 ms 67821 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67821 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished