== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:05:15 (1787828715) Starting client oleg430-client.virtnet: -o user_xattr,flock 192.168.204.130@tcp:/lustre /mnt/lustre Started clients oleg430-client.virtnet: 192.168.204.130@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 65688 Started dbench loop with 65689 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 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 22024 3580792 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23588 7186248 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 07:05:20 EDT 2026 waiting for dbench pid 65759 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 140.483 ms 1 58 1.18 MB/sec warmup 2 sec latency 157.845 ms 1 113 1.75 MB/sec warmup 3 sec latency 169.058 ms 1 140 1.50 MB/sec warmup 4 sec latency 155.517 ms 1 169 1.37 MB/sec warmup 5 sec latency 234.924 ms 1 181 1.22 MB/sec warmup 6 sec latency 640.761 ms 1 189 1.08 MB/sec warmup 7 sec latency 934.233 ms 1 219 1.05 MB/sec warmup 8 sec latency 142.175 ms 1 263 1.10 MB/sec warmup 9 sec latency 134.351 ms test_26 fail mds1 1 times 1 290 1.07 MB/sec warmup 10 sec latency 182.750 ms 1 315 1.04 MB/sec warmup 11 sec latency 190.234 ms Failing mds1 on oleg430-server 1 349 1.04 MB/sec warmup 12 sec latency 211.391 ms Stopping /mnt/lustre-mds1 (opts:) on oleg430-server 1 386 1.05 MB/sec warmup 13 sec latency 115.165 ms 1 420 1.06 MB/sec warmup 14 sec latency 139.575 ms 1 420 0.99 MB/sec warmup 15 sec latency 1072.390 ms 1 420 0.93 MB/sec warmup 16 sec latency 2076.524 ms 07:05:36 (1787828736) shut down facet: mds1 facet_host: oleg430-server facet_failover_host: oleg430-server 1 420 0.87 MB/sec warmup 17 sec latency 3076.811 ms 1 420 0.82 MB/sec warmup 18 sec latency 4077.108 ms 1 420 0.78 MB/sec warmup 19 sec latency 5079.598 ms 1 420 0.00 MB/sec execute 1 sec latency 7084.169 ms 1 420 0.00 MB/sec execute 2 sec latency 8084.725 ms 1 420 0.00 MB/sec execute 3 sec latency 9084.974 ms 1 420 0.00 MB/sec execute 4 sec latency 10085.215 ms 1 420 0.00 MB/sec execute 5 sec latency 11085.443 ms 1 420 0.00 MB/sec execute 6 sec latency 12088.481 ms Failover mds1 to oleg430-server mount facets: mds1 1 420 0.00 MB/sec execute 7 sec latency 13089.405 ms 1 420 0.00 MB/sec execute 8 sec latency 14089.710 ms 1 420 0.00 MB/sec execute 9 sec latency 15089.936 ms 1 420 0.00 MB/sec execute 10 sec latency 16104.462 ms 1 420 0.00 MB/sec execute 11 sec latency 17104.661 ms 1 420 0.00 MB/sec execute 12 sec latency 18105.457 ms 1 420 0.00 MB/sec execute 13 sec latency 19106.345 ms 1 420 0.00 MB/sec execute 14 sec latency 20106.825 ms 1 420 0.00 MB/sec execute 15 sec latency 21107.617 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 420 0.00 MB/sec execute 16 sec latency 22108.004 ms 1 420 0.00 MB/sec execute 17 sec latency 23110.791 ms 1 420 0.00 MB/sec execute 18 sec latency 24111.127 ms 1 420 0.00 MB/sec execute 19 sec latency 25111.329 ms 1 420 0.00 MB/sec execute 20 sec latency 26111.616 ms 1 420 0.00 MB/sec execute 21 sec latency 27113.136 ms 1 420 0.00 MB/sec execute 22 sec latency 28113.363 ms 1 420 0.00 MB/sec execute 23 sec latency 29114.760 ms 1 420 0.00 MB/sec execute 24 sec latency 30114.973 ms 1 420 0.00 MB/sec execute 25 sec latency 31115.675 ms 1 420 0.00 MB/sec execute 26 sec latency 32115.928 ms 1 420 0.00 MB/sec execute 27 sec latency 33116.486 ms oleg430-server: oleg430-server.virtnet: executing set_default_debug -1 all 1 420 0.00 MB/sec execute 28 sec latency 34117.331 ms pdsh@oleg430-client: oleg430-server: ssh exited with exit code 1 1 420 0.00 MB/sec execute 29 sec latency 35120.724 ms Started lustre-MDT0000 07:06:10 (1787828770) targets are mounted 07:06:10 (1787828770) facet_failover done 1 420 0.00 MB/sec execute 30 sec latency 36121.576 ms 1 422 0.00 MB/sec execute 31 sec latency 36934.738 ms 1 458 0.04 MB/sec execute 32 sec latency 146.515 ms 1 493 0.07 MB/sec execute 33 sec latency 144.990 ms 1 522 0.09 MB/sec execute 34 sec latency 157.625 ms 1 552 0.12 MB/sec execute 35 sec latency 610.459 ms 1 618 0.17 MB/sec execute 36 sec latency 629.644 ms oleg430-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 660 0.17 MB/sec execute 37 sec latency 118.086 ms 1 692 0.17 MB/sec execute 38 sec latency 149.037 ms 1 711 0.16 MB/sec execute 39 sec latency 190.777 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 743 0.16 MB/sec execute 40 sec latency 122.372 ms 1 773 0.16 MB/sec execute 41 sec latency 158.331 ms 1 798 0.16 MB/sec execute 42 sec latency 243.292 ms 1 827 0.15 MB/sec execute 43 sec latency 135.467 ms 1 867 0.15 MB/sec execute 44 sec latency 190.007 ms 1 892 0.15 MB/sec execute 45 sec latency 143.768 ms 1 921 0.15 MB/sec execute 46 sec latency 104.484 ms 1 957 0.15 MB/sec execute 47 sec latency 126.215 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1904 1269400 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9704 3592088 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 43324 3562192 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 53028 7154280 1% /mnt/lustre 1 977 0.15 MB/sec execute 48 sec latency 193.723 ms 1 998 0.14 MB/sec execute 49 sec latency 157.742 ms 1 1051 0.16 MB/sec execute 50 sec latency 98.681 ms 1 1085 0.16 MB/sec execute 51 sec latency 111.488 ms 1 1126 0.16 MB/sec execute 52 sec latency 113.930 ms 1 1147 0.15 MB/sec execute 53 sec latency 112.179 ms 1 1172 0.15 MB/sec execute 54 sec latency 253.130 ms 1 1172 0.15 MB/sec execute 55 sec latency 1255.692 ms 1 1179 0.15 MB/sec execute 56 sec latency 1878.651 ms 1 1208 0.14 MB/sec execute 57 sec latency 118.840 ms 1 1231 0.14 MB/sec execute 58 sec latency 151.820 ms 1 1263 0.14 MB/sec execute 59 sec latency 135.384 ms test_26 fail mds2 2 times 1 1384 0.19 MB/sec execute 60 sec latency 107.599 ms 1 1410 0.18 MB/sec execute 61 sec latency 139.335 ms 1 1431 0.18 MB/sec execute 62 sec latency 225.671 ms Failing mds2 on oleg430-server 1 1476 0.18 MB/sec execute 63 sec latency 108.657 ms Stopping /mnt/lustre-mds2 (opts:) on oleg430-server 1 1508 0.17 MB/sec execute 64 sec latency 149.219 ms 1 1536 0.17 MB/sec execute 65 sec latency 283.187 ms 1 1572 0.17 MB/sec execute 66 sec latency 94.236 ms 1 1609 0.17 MB/sec execute 67 sec latency 123.466 ms 07:06:47 (1787828807) shut down facet: mds2 facet_host: oleg430-server facet_failover_host: oleg430-server 1 1655 0.17 MB/sec execute 68 sec latency 101.093 ms 1 1696 0.16 MB/sec execute 69 sec latency 223.608 ms 1 1740 0.16 MB/sec execute 70 sec latency 149.669 ms 1 1810 0.16 MB/sec execute 71 sec latency 92.413 ms 1 1851 0.16 MB/sec execute 72 sec latency 128.317 ms 1 1937 0.16 MB/sec execute 73 sec latency 69.131 ms 1 2004 0.16 MB/sec execute 74 sec latency 91.033 ms 1 2059 0.16 MB/sec execute 75 sec latency 92.428 ms 1 2128 0.16 MB/sec execute 76 sec latency 109.173 ms 1 2166 0.15 MB/sec execute 77 sec latency 85.540 ms Failover mds2 to oleg430-server mount facets: mds2 1 2206 0.15 MB/sec execute 78 sec latency 143.490 ms 1 2259 0.15 MB/sec execute 79 sec latency 346.403 ms 1 2259 0.15 MB/sec execute 80 sec latency 1346.769 ms 1 2259 0.15 MB/sec execute 81 sec latency 2349.246 ms 1 2259 0.15 MB/sec execute 82 sec latency 3350.024 ms 1 2259 0.14 MB/sec execute 83 sec latency 4350.583 ms 1 2259 0.14 MB/sec execute 84 sec latency 5350.835 ms 1 2259 0.14 MB/sec execute 85 sec latency 6354.620 ms 1 2259 0.14 MB/sec execute 86 sec latency 7358.599 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 87 sec latency 8360.400 ms 1 2259 0.14 MB/sec execute 88 sec latency 9362.168 ms 1 2259 0.13 MB/sec execute 89 sec latency 10362.368 ms 1 2259 0.13 MB/sec execute 90 sec latency 11362.553 ms 1 2259 0.13 MB/sec execute 91 sec latency 12364.798 ms 1 2259 0.13 MB/sec execute 92 sec latency 13365.044 ms oleg430-server: oleg430-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 93 sec latency 14367.541 ms 1 2259 0.13 MB/sec execute 94 sec latency 15368.809 ms pdsh@oleg430-client: oleg430-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 95 sec latency 16369.098 ms Started lustre-MDT0001 07:07:16 (1787828836) targets are mounted 07:07:16 (1787828836) facet_failover done 1 2259 0.12 MB/sec execute 96 sec latency 17369.794 ms 1 2327 0.13 MB/sec execute 97 sec latency 17626.193 ms 1 2356 0.13 MB/sec execute 98 sec latency 144.767 ms 1 2388 0.13 MB/sec execute 99 sec latency 90.172 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg430-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 Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 346 117.315 17626.179 Close 302 136.162 36934.706 Rename 13 126.622 243.266 Unlink 34 29.919 92.545 Qpathinfo 318 18.981 143.304 Qfileinfo 86 2.462 16.309 Qfsinfo 39 5.609 29.233 Sfileinfo 44 83.084 145.496 Find 107 14.588 48.948 WriteX 301 15.592 149.199 ReadX 381 3.067 114.991 Flush 33 53.612 143.754 Throughput 0.132057 MB/sec 1 clients 1 procs max_latency=36934.738 ms stopping dbench on /mnt/lustre at Thu Aug 27 07:07:24 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 2320 1268984 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2092 1269212 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1860 3587512 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20168 3585872 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 22028 7173384 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 07:07:33 EDT 2026 waiting for dbench pid 67936 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 16 0.13 MB/sec warmup 1 sec latency 15.596 ms 1 84 1.90 MB/sec warmup 2 sec latency 88.088 ms 1 118 1.79 MB/sec warmup 3 sec latency 186.210 ms 1 137 1.50 MB/sec warmup 4 sec latency 458.907 ms 1 137 1.20 MB/sec warmup 5 sec latency 1459.423 ms 1 162 1.11 MB/sec warmup 6 sec latency 1588.328 ms 1 184 1.05 MB/sec warmup 7 sec latency 383.505 ms 1 227 1.08 MB/sec warmup 8 sec latency 413.861 ms test_26 fail mds1 3 times 1 272 1.13 MB/sec warmup 9 sec latency 116.476 ms 1 304 1.12 MB/sec warmup 10 sec latency 164.090 ms Failing mds1 on oleg430-server 1 331 1.09 MB/sec warmup 11 sec latency 215.230 ms Stopping /mnt/lustre-mds1 (opts:) on oleg430-server 1 372 1.11 MB/sec warmup 12 sec latency 139.139 ms 1 413 1.12 MB/sec warmup 13 sec latency 171.330 ms 1 469 1.17 MB/sec warmup 14 sec latency 95.603 ms 1 501 1.16 MB/sec warmup 15 sec latency 525.876 ms 1 501 1.09 MB/sec warmup 16 sec latency 1526.202 ms 1 501 1.03 MB/sec warmup 17 sec latency 2526.418 ms 1 501 0.97 MB/sec warmup 18 sec latency 3526.918 ms 1 501 0.92 MB/sec warmup 19 sec latency 4527.301 ms 07:07:54 (1787828874) shut down facet: mds1 facet_host: oleg430-server facet_failover_host: oleg430-server 1 501 0.00 MB/sec execute 1 sec latency 6527.960 ms 1 501 0.00 MB/sec execute 2 sec latency 7528.158 ms 1 501 0.00 MB/sec execute 3 sec latency 8528.471 ms 1 501 0.00 MB/sec execute 4 sec latency 9529.047 ms 1 501 0.00 MB/sec execute 5 sec latency 10530.852 ms 1 501 0.00 MB/sec execute 6 sec latency 11531.165 ms 1 501 0.00 MB/sec execute 7 sec latency 12535.229 ms 1 501 0.00 MB/sec execute 8 sec latency 13535.407 ms 1 501 0.00 MB/sec execute 9 sec latency 14535.774 ms 1 501 0.00 MB/sec execute 10 sec latency 15535.973 ms Failover mds1 to oleg430-server mount facets: mds1 1 501 0.00 MB/sec execute 11 sec latency 16541.890 ms 1 501 0.00 MB/sec execute 12 sec latency 17543.400 ms 1 501 0.00 MB/sec execute 13 sec latency 18543.687 ms 1 501 0.00 MB/sec execute 14 sec latency 19544.047 ms 1 501 0.00 MB/sec execute 15 sec latency 20544.377 ms 1 501 0.00 MB/sec execute 16 sec latency 21544.596 ms 1 501 0.00 MB/sec execute 17 sec latency 22544.858 ms 1 501 0.00 MB/sec execute 18 sec latency 23549.036 ms 1 501 0.00 MB/sec execute 19 sec latency 24550.025 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 20 sec latency 25550.399 ms 1 501 0.00 MB/sec execute 21 sec latency 26550.661 ms 1 501 0.00 MB/sec execute 22 sec latency 27552.773 ms 1 501 0.00 MB/sec execute 23 sec latency 28553.175 ms 1 501 0.00 MB/sec execute 24 sec latency 29554.043 ms 1 501 0.00 MB/sec execute 25 sec latency 30554.877 ms 1 501 0.00 MB/sec execute 26 sec latency 31555.138 ms 1 501 0.00 MB/sec execute 27 sec latency 32555.335 ms 1 501 0.00 MB/sec execute 28 sec latency 33557.752 ms 1 501 0.00 MB/sec execute 29 sec latency 34564.418 ms 1 501 0.00 MB/sec execute 30 sec latency 35566.258 ms 1 501 0.00 MB/sec execute 31 sec latency 36566.756 ms 1 501 0.00 MB/sec execute 32 sec latency 37566.985 ms oleg430-server: oleg430-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 33 sec latency 38569.315 ms pdsh@oleg430-client: oleg430-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 34 sec latency 39569.541 ms 1 511 0.01 MB/sec execute 35 sec latency 40262.918 ms Started lustre-MDT0000 07:08:29 (1787828909) targets are mounted 07:08:29 (1787828909) facet_failover done 1 582 0.07 MB/sec execute 36 sec latency 142.278 ms 1 654 0.10 MB/sec execute 37 sec latency 98.116 ms 1 689 0.10 MB/sec execute 38 sec latency 121.554 ms 1 718 0.10 MB/sec execute 39 sec latency 169.107 ms 1 744 0.10 MB/sec execute 40 sec latency 133.735 ms 1 779 0.09 MB/sec execute 41 sec latency 156.853 ms 1 806 0.10 MB/sec execute 42 sec latency 112.641 ms oleg430-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 851 0.10 MB/sec execute 43 sec latency 117.718 ms 1 882 0.10 MB/sec execute 44 sec latency 149.118 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 884 0.09 MB/sec execute 45 sec latency 989.248 ms 1 897 0.09 MB/sec execute 46 sec latency 1232.933 ms 1 923 0.09 MB/sec execute 47 sec latency 106.245 ms 1 969 0.09 MB/sec execute 48 sec latency 94.228 ms 1 998 0.09 MB/sec execute 49 sec latency 115.837 ms 1 1076 0.11 MB/sec execute 50 sec latency 68.458 ms 1 1134 0.11 MB/sec execute 51 sec latency 83.605 ms 1 1173 0.11 MB/sec execute 52 sec latency 132.662 ms 1 1214 0.11 MB/sec execute 53 sec latency 86.766 ms 1 1242 0.10 MB/sec execute 54 sec latency 118.263 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1313 0.12 MB/sec execute 55 sec latency 102.877 ms 1 1410 0.15 MB/sec execute 56 sec latency 102.583 ms 1 1446 0.15 MB/sec execute 57 sec latency 108.989 ms 1 1474 0.15 MB/sec execute 58 sec latency 425.328 ms 1 1509 0.15 MB/sec execute 59 sec latency 128.073 ms 1 1568 0.14 MB/sec execute 60 sec latency 120.521 ms 1 1619 0.14 MB/sec execute 61 sec latency 127.155 ms 1 1653 0.14 MB/sec execute 62 sec latency 134.593 ms 1 1691 0.14 MB/sec execute 63 sec latency 182.107 ms 1 1758 0.14 MB/sec execute 64 sec latency 81.690 ms 1 1821 0.14 MB/sec execute 65 sec latency 78.570 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 07:08:59 EDT 2026 with return code 0 1 1865 0.13 MB/sec execute 66 sec latency 122.152 ms 67936 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67936 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished