== replay-dual test 26: dbench and tar with mds failover ========================================================== 00:51:57 (1788756717) Starting client oleg325-client.virtnet: -o user_xattr,flock 192.168.203.125@tcp:/lustre /mnt/lustre Started clients oleg325-client.virtnet: 192.168.203.125@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 65640 Started dbench loop with 65641 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush2 /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 3580756 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7186232 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 Mon Sep 7 00:52:03 EDT 2026 waiting for dbench pid 65719 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 69.598 ms 1 60 1.24 MB/sec warmup 2 sec latency 123.167 ms 1 111 1.74 MB/sec warmup 3 sec latency 176.117 ms 1 139 1.50 MB/sec warmup 4 sec latency 275.877 ms 1 168 1.35 MB/sec warmup 5 sec latency 143.911 ms 1 189 1.26 MB/sec warmup 6 sec latency 435.437 ms 1 215 1.19 MB/sec warmup 7 sec latency 272.706 ms 1 255 1.20 MB/sec warmup 8 sec latency 125.592 ms 1 289 1.19 MB/sec warmup 9 sec latency 109.001 ms test_26 fail mds1 1 times 1 323 1.17 MB/sec warmup 10 sec latency 134.281 ms 1 352 1.14 MB/sec warmup 11 sec latency 195.959 ms Failing mds1 on oleg325-server 1 385 1.13 MB/sec warmup 12 sec latency 157.186 ms Stopping /mnt/lustre-mds1 (opts:) on oleg325-server 1 427 1.16 MB/sec warmup 13 sec latency 125.247 ms 1 462 1.15 MB/sec warmup 14 sec latency 150.530 ms 1 501 1.16 MB/sec warmup 15 sec latency 130.401 ms 1 501 1.09 MB/sec warmup 16 sec latency 1133.312 ms 1 501 1.03 MB/sec warmup 17 sec latency 2133.543 ms 1 501 0.97 MB/sec warmup 18 sec latency 3136.512 ms 00:52:22 (1788756742) shut down facet: mds1 facet_host: oleg325-server facet_failover_host: oleg325-server 1 501 0.92 MB/sec warmup 19 sec latency 4139.513 ms 1 501 0.00 MB/sec execute 1 sec latency 6141.316 ms 1 501 0.00 MB/sec execute 2 sec latency 7141.538 ms 1 501 0.00 MB/sec execute 3 sec latency 8141.762 ms 1 501 0.00 MB/sec execute 4 sec latency 9141.998 ms 1 501 0.00 MB/sec execute 5 sec latency 10142.725 ms 1 501 0.00 MB/sec execute 6 sec latency 11144.791 ms 1 501 0.00 MB/sec execute 7 sec latency 12146.094 ms 1 501 0.00 MB/sec execute 8 sec latency 13147.174 ms 1 501 0.00 MB/sec execute 9 sec latency 14147.861 ms Failover mds1 to oleg325-server mount facets: mds1 1 501 0.00 MB/sec execute 10 sec latency 15148.128 ms 1 501 0.00 MB/sec execute 11 sec latency 16148.278 ms 1 501 0.00 MB/sec execute 12 sec latency 17148.496 ms 1 501 0.00 MB/sec execute 13 sec latency 18148.768 ms 1 501 0.00 MB/sec execute 14 sec latency 19148.981 ms 1 501 0.00 MB/sec execute 15 sec latency 20149.350 ms 1 501 0.00 MB/sec execute 16 sec latency 21150.280 ms 1 501 0.00 MB/sec execute 17 sec latency 22150.529 ms 1 501 0.00 MB/sec execute 18 sec latency 23150.867 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 19 sec latency 24151.293 ms 1 501 0.00 MB/sec execute 20 sec latency 25152.356 ms 1 501 0.00 MB/sec execute 21 sec latency 26152.528 ms 1 501 0.00 MB/sec execute 22 sec latency 27155.999 ms 1 501 0.00 MB/sec execute 23 sec latency 28158.542 ms 1 501 0.00 MB/sec execute 24 sec latency 29158.763 ms 1 501 0.00 MB/sec execute 25 sec latency 30158.972 ms 1 501 0.00 MB/sec execute 26 sec latency 31162.064 ms 1 501 0.00 MB/sec execute 27 sec latency 32163.928 ms 1 501 0.00 MB/sec execute 28 sec latency 33164.466 ms 1 501 0.00 MB/sec execute 29 sec latency 34164.686 ms 1 501 0.00 MB/sec execute 30 sec latency 35165.925 ms 1 501 0.00 MB/sec execute 31 sec latency 36166.154 ms oleg325-server: oleg325-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 32 sec latency 37168.620 ms pdsh@oleg325-client: oleg325-server: ssh exited with exit code 1 1 512 0.01 MB/sec execute 33 sec latency 37762.589 ms Started lustre-MDT0000 00:52:57 (1788756777) targets are mounted 00:52:57 (1788756777) facet_failover done 1 552 0.05 MB/sec execute 34 sec latency 159.825 ms 1 603 0.10 MB/sec execute 35 sec latency 509.792 ms 1 656 0.10 MB/sec execute 36 sec latency 117.467 ms 1 692 0.10 MB/sec execute 37 sec latency 133.003 ms 1 721 0.10 MB/sec execute 38 sec latency 134.314 ms 1 761 0.10 MB/sec execute 39 sec latency 128.108 ms 1 786 0.10 MB/sec execute 40 sec latency 155.909 ms oleg325-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 815 0.10 MB/sec execute 41 sec latency 117.936 ms 1 865 0.10 MB/sec execute 42 sec latency 140.380 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 898 0.10 MB/sec execute 43 sec latency 128.515 ms 1 918 0.10 MB/sec execute 44 sec latency 175.570 ms 1 960 0.10 MB/sec execute 45 sec latency 201.448 ms 1 990 0.10 MB/sec execute 46 sec latency 161.938 ms 1 1059 0.12 MB/sec execute 47 sec latency 94.443 ms 1 1099 0.11 MB/sec execute 48 sec latency 113.135 ms 1 1147 0.11 MB/sec execute 49 sec latency 77.222 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2140 1269164 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1936 1269368 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 45172 3556444 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10392 3593472 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 55564 7149916 1% /mnt/lustre 1 1172 0.11 MB/sec execute 50 sec latency 479.060 ms 1 1190 0.11 MB/sec execute 51 sec latency 850.957 ms 1 1230 0.11 MB/sec execute 52 sec latency 102.679 ms 1 1268 0.11 MB/sec execute 53 sec latency 122.427 ms 1 1403 0.16 MB/sec execute 54 sec latency 87.987 ms 1 1403 0.16 MB/sec execute 55 sec latency 1039.430 ms 1 1436 0.15 MB/sec execute 56 sec latency 1351.298 ms 1 1486 0.15 MB/sec execute 57 sec latency 82.258 ms 1 1518 0.15 MB/sec execute 58 sec latency 102.314 ms test_26 fail mds2 2 times 1 1572 0.15 MB/sec execute 59 sec latency 74.552 ms 1 1617 0.14 MB/sec execute 60 sec latency 94.229 ms Failing mds2 on oleg325-server 1 1655 0.14 MB/sec execute 61 sec latency 129.307 ms Stopping /mnt/lustre-mds2 (opts:) on oleg325-server 1 1687 0.14 MB/sec execute 62 sec latency 156.730 ms 1 1709 0.14 MB/sec execute 63 sec latency 439.816 ms 1 1709 0.14 MB/sec execute 64 sec latency 1440.186 ms 1 1709 0.13 MB/sec execute 65 sec latency 2440.846 ms 00:53:28 (1788756808) shut down facet: mds2 facet_host: oleg325-server facet_failover_host: oleg325-server 1 1709 0.13 MB/sec execute 66 sec latency 3442.458 ms 1 1709 0.13 MB/sec execute 67 sec latency 4442.802 ms 1 1709 0.13 MB/sec execute 68 sec latency 5443.821 ms 1 1709 0.13 MB/sec execute 69 sec latency 6446.844 ms 1 1709 0.13 MB/sec execute 70 sec latency 7447.206 ms 1 1709 0.12 MB/sec execute 71 sec latency 8447.478 ms 1 1709 0.12 MB/sec execute 72 sec latency 9448.936 ms 1 1709 0.12 MB/sec execute 73 sec latency 10449.375 ms 1 1709 0.12 MB/sec execute 74 sec latency 11451.017 ms 1 1709 0.12 MB/sec execute 75 sec latency 12454.710 ms Failover mds2 to oleg325-server mount facets: mds2 1 1709 0.12 MB/sec execute 76 sec latency 13460.752 ms 1 1709 0.11 MB/sec execute 77 sec latency 14462.159 ms 1 1709 0.11 MB/sec execute 78 sec latency 15462.389 ms 1 1709 0.11 MB/sec execute 79 sec latency 16463.483 ms 1 1709 0.11 MB/sec execute 80 sec latency 17464.242 ms 1 1709 0.11 MB/sec execute 81 sec latency 18464.499 ms 1 1709 0.11 MB/sec execute 82 sec latency 19464.722 ms 1 1709 0.11 MB/sec execute 83 sec latency 20465.005 ms 1 1709 0.10 MB/sec execute 84 sec latency 21468.591 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1709 0.10 MB/sec execute 85 sec latency 22476.552 ms 1 1709 0.10 MB/sec execute 86 sec latency 23476.770 ms 1 1709 0.10 MB/sec execute 87 sec latency 24479.291 ms 1 1709 0.10 MB/sec execute 88 sec latency 25483.405 ms 1 1709 0.10 MB/sec execute 89 sec latency 26484.147 ms 1 1709 0.10 MB/sec execute 90 sec latency 27484.443 ms oleg325-server: oleg325-server.virtnet: executing set_default_debug -1 all 1 1709 0.10 MB/sec execute 91 sec latency 28484.684 ms 1 1709 0.10 MB/sec execute 92 sec latency 29485.028 ms pdsh@oleg325-client: oleg325-server: ssh exited with exit code 1 1 1709 0.09 MB/sec execute 93 sec latency 30487.263 ms Started lustre-MDT0001 00:53:57 (1788756837) targets are mounted 00:53:57 (1788756837) facet_failover done 1 1709 0.09 MB/sec execute 94 sec latency 31488.126 ms 1 1717 0.09 MB/sec execute 95 sec latency 32270.763 ms 1 1765 0.09 MB/sec execute 96 sec latency 120.889 ms 1 1802 0.09 MB/sec execute 97 sec latency 135.363 ms 1 1832 0.09 MB/sec execute 98 sec latency 156.236 ms 1 1869 0.09 MB/sec execute 99 sec latency 134.135 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg325-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 0 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 255 341.515 37762.573 Close 203 15.029 45.228 Rename 11 100.870 175.547 Unlink 24 30.120 50.566 Qpathinfo 215 17.522 113.112 Qfileinfo 58 2.236 21.737 Qfsinfo 33 3.030 15.502 Sfileinfo 34 67.827 120.158 Find 75 12.604 81.987 WriteX 198 14.245 135.062 ReadX 297 0.239 21.692 Flush 30 60.073 132.986 Throughput 0.0897371 MB/sec 1 clients 1 procs max_latency=37762.589 ms stopping dbench on /mnt/lustre at Mon Sep 7 00:54:08 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2300 1269004 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 20092 3586712 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2556 3604380 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22648 7191092 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 Mon Sep 7 00:54:17 EDT 2026 waiting for dbench pid 67894 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 18 0.26 MB/sec warmup 1 sec latency 11.253 ms 1 76 1.64 MB/sec warmup 2 sec latency 105.935 ms 1 90 1.40 MB/sec warmup 3 sec latency 846.470 ms 1 90 1.05 MB/sec warmup 4 sec latency 1852.405 ms 1 121 1.10 MB/sec warmup 5 sec latency 1932.300 ms 1 147 1.05 MB/sec warmup 6 sec latency 221.431 ms 1 181 1.04 MB/sec warmup 7 sec latency 157.184 ms test_26 fail mds1 3 times 1 197 0.98 MB/sec warmup 8 sec latency 531.293 ms 1 224 0.96 MB/sec warmup 9 sec latency 153.528 ms Failing mds1 on oleg325-server 1 255 0.96 MB/sec warmup 10 sec latency 135.507 ms Stopping /mnt/lustre-mds1 (opts:) on oleg325-server 1 289 0.97 MB/sec warmup 11 sec latency 147.041 ms 1 312 0.95 MB/sec warmup 12 sec latency 284.970 ms 1 312 0.88 MB/sec warmup 13 sec latency 1285.248 ms 1 312 0.82 MB/sec warmup 14 sec latency 2285.574 ms 1 312 0.76 MB/sec warmup 15 sec latency 3285.757 ms 1 312 0.72 MB/sec warmup 16 sec latency 4285.978 ms 1 312 0.67 MB/sec warmup 17 sec latency 5286.254 ms 1 312 0.64 MB/sec warmup 18 sec latency 6287.648 ms 1 312 0.60 MB/sec warmup 19 sec latency 7287.906 ms 00:54:38 (1788756878) shut down facet: mds1 facet_host: oleg325-server facet_failover_host: oleg325-server 1 312 0.00 MB/sec execute 1 sec latency 9288.399 ms 1 312 0.00 MB/sec execute 2 sec latency 10288.687 ms 1 312 0.00 MB/sec execute 3 sec latency 11289.971 ms 1 312 0.00 MB/sec execute 4 sec latency 12290.507 ms 1 312 0.00 MB/sec execute 5 sec latency 13293.437 ms 1 312 0.00 MB/sec execute 6 sec latency 14293.675 ms 1 312 0.00 MB/sec execute 7 sec latency 15296.019 ms 1 312 0.00 MB/sec execute 8 sec latency 16296.446 ms 1 312 0.00 MB/sec execute 9 sec latency 17299.126 ms 1 312 0.00 MB/sec execute 10 sec latency 18299.614 ms 1 312 0.00 MB/sec execute 11 sec latency 19299.901 ms Failover mds1 to oleg325-server mount facets: mds1 1 312 0.00 MB/sec execute 12 sec latency 20300.510 ms 1 312 0.00 MB/sec execute 13 sec latency 21300.753 ms 1 312 0.00 MB/sec execute 14 sec latency 22300.988 ms 1 312 0.00 MB/sec execute 15 sec latency 23301.237 ms 1 312 0.00 MB/sec execute 16 sec latency 24301.904 ms 1 312 0.00 MB/sec execute 17 sec latency 25302.128 ms 1 312 0.00 MB/sec execute 18 sec latency 26302.423 ms 1 312 0.00 MB/sec execute 19 sec latency 27302.653 ms 1 312 0.00 MB/sec execute 20 sec latency 28302.936 ms 1 312 0.00 MB/sec execute 21 sec latency 29303.243 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 312 0.00 MB/sec execute 22 sec latency 30306.096 ms 1 312 0.00 MB/sec execute 23 sec latency 31306.423 ms 1 312 0.00 MB/sec execute 24 sec latency 32306.664 ms 1 312 0.00 MB/sec execute 25 sec latency 33306.965 ms 1 312 0.00 MB/sec execute 26 sec latency 34307.211 ms 1 312 0.00 MB/sec execute 27 sec latency 35307.407 ms 1 312 0.00 MB/sec execute 28 sec latency 36307.639 ms 1 312 0.00 MB/sec execute 29 sec latency 37310.065 ms 1 312 0.00 MB/sec execute 30 sec latency 38310.289 ms 1 312 0.00 MB/sec execute 31 sec latency 39311.373 ms 1 312 0.00 MB/sec execute 32 sec latency 40311.599 ms 1 312 0.00 MB/sec execute 33 sec latency 41313.119 ms 1 312 0.00 MB/sec execute 34 sec latency 42313.500 ms oleg325-server: oleg325-server.virtnet: executing set_default_debug -1 all 1 312 0.00 MB/sec execute 35 sec latency 43313.687 ms pdsh@oleg325-client: oleg325-server: ssh exited with exit code 1 1 312 0.00 MB/sec execute 36 sec latency 44313.924 ms Started lustre-MDT0000 00:55:15 (1788756915) targets are mounted 00:55:15 (1788756915) facet_failover done 1 318 0.00 MB/sec execute 37 sec latency 44899.377 ms 1 355 0.03 MB/sec execute 38 sec latency 165.000 ms 1 394 0.06 MB/sec execute 39 sec latency 109.866 ms 1 429 0.09 MB/sec execute 40 sec latency 189.202 ms 1 466 0.12 MB/sec execute 41 sec latency 153.959 ms 1 503 0.14 MB/sec execute 42 sec latency 110.396 ms 1 576 0.18 MB/sec execute 43 sec latency 156.592 ms oleg325-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 642 0.22 MB/sec execute 44 sec latency 110.870 ms 1 678 0.22 MB/sec execute 45 sec latency 136.563 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 710 0.21 MB/sec execute 46 sec latency 149.551 ms 1 738 0.21 MB/sec execute 47 sec latency 185.996 ms 1 778 0.21 MB/sec execute 48 sec latency 116.874 ms 1 812 0.20 MB/sec execute 49 sec latency 103.570 ms 1 869 0.20 MB/sec execute 50 sec latency 102.029 ms 1 884 0.20 MB/sec execute 51 sec latency 496.883 ms 1 885 0.20 MB/sec execute 52 sec latency 1430.372 ms 1 914 0.19 MB/sec execute 53 sec latency 190.012 ms 1 952 0.19 MB/sec execute 54 sec latency 123.913 ms 1 981 0.19 MB/sec execute 55 sec latency 142.022 ms 1 1041 0.20 MB/sec execute 56 sec latency 98.984 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1091 0.20 MB/sec execute 57 sec latency 81.336 ms 1 1144 0.20 MB/sec execute 58 sec latency 86.489 ms 1 1179 0.20 MB/sec execute 59 sec latency 111.509 ms 1 1216 0.19 MB/sec execute 60 sec latency 130.148 ms 1 1244 0.19 MB/sec execute 61 sec latency 98.437 ms 1 1303 0.20 MB/sec execute 62 sec latency 106.910 ms 1 1412 0.23 MB/sec execute 63 sec latency 161.761 ms 1 1459 0.23 MB/sec execute 64 sec latency 107.059 ms 1 1486 0.22 MB/sec execute 65 sec latency 334.043 ms 1 1532 0.22 MB/sec execute 66 sec latency 88.314 ms 1 1599 0.22 MB/sec execute 67 sec latency 94.051 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Sep 7 00:55:46 EDT 2026 with return code 0 1 1647 0.22 MB/sec execute 68 sec latency 116.074 ms 67894 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67894 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished