== replay-dual test 26: dbench and tar with mds failover ========================================================== 01:34:52 (1788845692) Starting client oleg421-client.virtnet: -o user_xattr,flock 192.168.204.121@tcp:/lustre /mnt/lustre Started clients oleg421-client.virtnet: 192.168.204.121@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 65642 Started dbench loop with 65644 striped dir -i0 -c2 -H fnv_1a_64 /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 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 22024 3584940 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 23588 7190396 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 Tue Sep 8 01:34:58 EDT 2026 waiting for dbench pid 65723 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 4.554 ms 1 60 1.24 MB/sec warmup 2 sec latency 156.185 ms 1 113 1.74 MB/sec warmup 3 sec latency 163.902 ms 1 137 1.50 MB/sec warmup 4 sec latency 226.496 ms 1 157 1.31 MB/sec warmup 5 sec latency 230.944 ms 1 172 1.18 MB/sec warmup 6 sec latency 597.199 ms 1 173 1.01 MB/sec warmup 7 sec latency 1464.949 ms 1 189 0.94 MB/sec warmup 8 sec latency 520.584 ms 1 207 0.90 MB/sec warmup 9 sec latency 203.202 ms 1 247 0.94 MB/sec warmup 10 sec latency 181.512 ms test_26 fail mds1 1 times 1 286 0.97 MB/sec warmup 11 sec latency 121.531 ms 1 308 0.93 MB/sec warmup 12 sec latency 256.003 ms Failing mds1 on oleg421-server 1 340 0.94 MB/sec warmup 13 sec latency 127.494 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 366 0.93 MB/sec warmup 14 sec latency 216.378 ms 1 397 0.94 MB/sec warmup 15 sec latency 308.132 ms 1 397 0.88 MB/sec warmup 16 sec latency 1309.825 ms 1 397 0.83 MB/sec warmup 17 sec latency 2310.084 ms 01:35:16 (1788845716) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 397 0.78 MB/sec warmup 18 sec latency 3310.353 ms 1 397 0.74 MB/sec warmup 19 sec latency 4312.224 ms 1 397 0.00 MB/sec execute 1 sec latency 6313.039 ms 1 397 0.00 MB/sec execute 2 sec latency 7314.316 ms 1 397 0.00 MB/sec execute 3 sec latency 8314.623 ms 1 397 0.00 MB/sec execute 4 sec latency 9315.728 ms 1 397 0.00 MB/sec execute 5 sec latency 10316.216 ms 1 397 0.00 MB/sec execute 6 sec latency 11316.535 ms 1 397 0.00 MB/sec execute 7 sec latency 12316.804 ms Failover mds1 to oleg421-server mount facets: mds1 1 397 0.00 MB/sec execute 8 sec latency 13318.074 ms 1 397 0.00 MB/sec execute 9 sec latency 14320.973 ms 1 397 0.00 MB/sec execute 10 sec latency 15322.514 ms 1 397 0.00 MB/sec execute 11 sec latency 16323.165 ms 1 397 0.00 MB/sec execute 12 sec latency 17324.138 ms 1 397 0.00 MB/sec execute 13 sec latency 18324.383 ms 1 397 0.00 MB/sec execute 14 sec latency 19325.074 ms 1 397 0.00 MB/sec execute 15 sec latency 20326.501 ms 1 397 0.00 MB/sec execute 16 sec latency 21332.653 ms 1 397 0.00 MB/sec execute 17 sec latency 22332.850 ms 1 397 0.00 MB/sec execute 18 sec latency 23335.921 ms 1 397 0.00 MB/sec execute 19 sec latency 24338.376 ms 1 397 0.00 MB/sec execute 20 sec latency 25339.466 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 397 0.00 MB/sec execute 21 sec latency 26339.993 ms 1 397 0.00 MB/sec execute 22 sec latency 27340.317 ms 1 397 0.00 MB/sec execute 23 sec latency 28340.622 ms 1 397 0.00 MB/sec execute 24 sec latency 29341.605 ms 1 397 0.00 MB/sec execute 25 sec latency 30345.179 ms 1 397 0.00 MB/sec execute 26 sec latency 31347.354 ms 1 397 0.00 MB/sec execute 27 sec latency 32350.387 ms 1 397 0.00 MB/sec execute 28 sec latency 33351.036 ms 1 397 0.00 MB/sec execute 29 sec latency 34351.244 ms 1 397 0.00 MB/sec execute 30 sec latency 35351.522 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 397 0.00 MB/sec execute 31 sec latency 36352.682 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 397 0.00 MB/sec execute 32 sec latency 37353.202 ms Started lustre-MDT0000 01:35:51 (1788845751) targets are mounted 01:35:51 (1788845751) facet_failover done 1 430 0.03 MB/sec execute 33 sec latency 37454.081 ms 1 470 0.07 MB/sec execute 34 sec latency 118.708 ms 1 508 0.10 MB/sec execute 35 sec latency 168.325 ms 1 542 0.14 MB/sec execute 36 sec latency 249.082 ms 1 606 0.19 MB/sec execute 37 sec latency 326.480 ms 1 650 0.18 MB/sec execute 38 sec latency 125.497 ms 1 674 0.18 MB/sec execute 39 sec latency 191.586 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 699 0.18 MB/sec execute 40 sec latency 161.445 ms 1 728 0.18 MB/sec execute 41 sec latency 179.191 ms 1 749 0.17 MB/sec execute 42 sec latency 156.369 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 776 0.17 MB/sec execute 43 sec latency 196.551 ms 1 801 0.17 MB/sec execute 44 sec latency 180.715 ms 1 849 0.17 MB/sec execute 45 sec latency 134.478 ms 1 877 0.16 MB/sec execute 46 sec latency 155.378 ms 1 902 0.16 MB/sec execute 47 sec latency 134.574 ms 1 932 0.16 MB/sec execute 48 sec latency 134.783 ms 1 969 0.16 MB/sec execute 49 sec latency 156.672 ms 1 988 0.16 MB/sec execute 50 sec latency 164.537 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1940 1269364 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 9028 3596192 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 43540 3558212 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 52568 7154404 1% /mnt/lustre 1 1038 0.17 MB/sec execute 51 sec latency 119.740 ms 1 1067 0.17 MB/sec execute 52 sec latency 122.829 ms 1 1116 0.17 MB/sec execute 53 sec latency 119.291 ms 1 1145 0.16 MB/sec execute 54 sec latency 137.838 ms 1 1172 0.16 MB/sec execute 55 sec latency 170.925 ms 1 1174 0.16 MB/sec execute 56 sec latency 901.267 ms 1 1216 0.16 MB/sec execute 57 sec latency 100.448 ms 1 1245 0.15 MB/sec execute 58 sec latency 178.634 ms 1 1296 0.16 MB/sec execute 59 sec latency 95.558 ms 1 1410 0.20 MB/sec execute 60 sec latency 78.895 ms test_26 fail mds2 2 times 1 1451 0.20 MB/sec execute 61 sec latency 108.831 ms 1 1497 0.19 MB/sec execute 62 sec latency 101.678 ms 1 1532 0.19 MB/sec execute 63 sec latency 101.713 ms Failing mds2 on oleg421-server 1 1584 0.19 MB/sec execute 64 sec latency 89.132 ms Stopping /mnt/lustre-mds2 (opts:) on oleg421-server 1 1632 0.19 MB/sec execute 65 sec latency 97.594 ms 1 1662 0.18 MB/sec execute 66 sec latency 168.524 ms 1 1698 0.18 MB/sec execute 67 sec latency 134.571 ms 01:36:26 (1788845786) shut down 1 1769 0.18 MB/sec execute 68 sec latency 87.740 ms facet: mds2 facet_host: oleg421-server facet_failover_host: oleg421-server 1 1830 0.18 MB/sec execute 69 sec latency 80.210 ms 1 1886 0.18 MB/sec execute 70 sec latency 97.481 ms 1 1970 0.17 MB/sec execute 71 sec latency 80.422 ms 1 2012 0.17 MB/sec execute 72 sec latency 149.892 ms 1 2083 0.17 MB/sec execute 73 sec latency 108.734 ms 1 2152 0.17 MB/sec execute 74 sec latency 94.025 ms 1 2202 0.17 MB/sec execute 75 sec latency 89.226 ms 1 2259 0.17 MB/sec execute 76 sec latency 432.593 ms 1 2259 0.16 MB/sec execute 77 sec latency 1433.732 ms 1 2259 0.16 MB/sec execute 78 sec latency 2433.992 ms Failover mds2 to oleg421-server mount facets: mds2 1 2259 0.16 MB/sec execute 79 sec latency 3434.341 ms 1 2259 0.16 MB/sec execute 80 sec latency 4435.141 ms 1 2259 0.16 MB/sec execute 81 sec latency 5435.328 ms 1 2259 0.15 MB/sec execute 82 sec latency 6435.973 ms 1 2259 0.15 MB/sec execute 83 sec latency 7436.276 ms 1 2259 0.15 MB/sec execute 84 sec latency 8436.573 ms 1 2259 0.15 MB/sec execute 85 sec latency 9436.965 ms 1 2259 0.15 MB/sec execute 86 sec latency 10437.302 ms 1 2259 0.15 MB/sec execute 87 sec latency 11437.645 ms 1 2259 0.14 MB/sec execute 88 sec latency 12438.086 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 89 sec latency 13438.288 ms 1 2259 0.14 MB/sec execute 90 sec latency 14442.457 ms 1 2259 0.14 MB/sec execute 91 sec latency 15468.952 ms 1 2259 0.14 MB/sec execute 92 sec latency 16469.152 ms 1 2259 0.14 MB/sec execute 93 sec latency 17469.353 ms 1 2259 0.13 MB/sec execute 94 sec latency 18469.624 ms 1 2259 0.13 MB/sec execute 95 sec latency 19470.766 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 96 sec latency 20470.986 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 97 sec latency 21481.842 ms 1 2259 0.13 MB/sec execute 98 sec latency 22482.470 ms Started lustre-MDT0001 01:36:57 (1788845817) targets are mounted 01:36:57 (1788845817) facet_failover done 1 2326 0.14 MB/sec execute 99 sec latency 22764.601 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 340 237.651 37454.056 Close 296 13.740 80.810 Rename 11 122.964 180.692 Unlink 31 29.302 66.897 Qpathinfo 310 16.713 122.801 Qfileinfo 84 2.142 29.575 Qfsinfo 37 5.306 45.999 Sfileinfo 38 76.964 155.362 Find 100 13.650 88.038 WriteX 305 14.085 67.998 ReadX 377 2.686 101.681 Flush 31 63.710 191.569 Throughput 0.138572 MB/sec 1 clients 1 procs max_latency=37454.081 ms stopping dbench on /mnt/lustre at Tue Sep 8 01:37:03 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Tue Sep 8 01:37:14 EDT 2026 waiting for dbench pid 67852 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 14 0.00 MB/sec warmup 1 sec latency 11.297 ms 1 63 1.34 MB/sec warmup 2 sec latency 130.586 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11552 3595368 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35700 3569580 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47252 7164948 1% /mnt/lustre 1 105 1.64 MB/sec warmup 3 sec latency 143.766 ms 1 133 1.46 MB/sec warmup 4 sec latency 248.615 ms 1 158 1.31 MB/sec warmup 5 sec latency 218.593 ms 1 184 1.23 MB/sec warmup 6 sec latency 166.218 ms 1 207 1.16 MB/sec warmup 7 sec latency 396.234 ms 1 239 1.14 MB/sec warmup 8 sec latency 132.597 ms 1 274 1.13 MB/sec warmup 9 sec latency 154.197 ms 1 308 1.12 MB/sec warmup 10 sec latency 151.603 ms 1 331 1.09 MB/sec warmup 11 sec latency 189.647 ms 1 358 1.06 MB/sec warmup 12 sec latency 190.935 ms 1 401 1.09 MB/sec warmup 13 sec latency 109.491 ms test_26 fail mds1 3 times 1 444 1.12 MB/sec warmup 14 sec latency 105.255 ms 1 476 1.11 MB/sec warmup 15 sec latency 176.203 ms 1 503 1.09 MB/sec warmup 16 sec latency 186.366 ms Failing mds1 on oleg421-server 1 526 1.06 MB/sec warmup 17 sec latency 202.453 ms Stopping /mnt/lustre-mds1 (opts:) on oleg421-server 1 603 1.16 MB/sec warmup 18 sec latency 71.944 ms 1 645 1.11 MB/sec warmup 19 sec latency 197.964 ms 1 648 0.00 MB/sec execute 1 sec latency 1987.635 ms 1 648 0.00 MB/sec execute 2 sec latency 2990.803 ms 1 648 0.00 MB/sec execute 3 sec latency 3992.106 ms 1 648 0.00 MB/sec execute 4 sec latency 4994.389 ms 1 648 0.00 MB/sec execute 5 sec latency 5994.928 ms 1 648 0.00 MB/sec execute 6 sec latency 6998.415 ms 1 648 0.00 MB/sec execute 7 sec latency 8002.699 ms 01:37:41 (1788845861) shut down facet: mds1 facet_host: oleg421-server facet_failover_host: oleg421-server 1 648 0.00 MB/sec execute 8 sec latency 9003.555 ms 1 648 0.00 MB/sec execute 9 sec latency 10004.401 ms 1 648 0.00 MB/sec execute 10 sec latency 11004.685 ms 1 648 0.00 MB/sec execute 11 sec latency 12005.534 ms 1 648 0.00 MB/sec execute 12 sec latency 13006.494 ms 1 648 0.00 MB/sec execute 13 sec latency 14006.941 ms 1 648 0.00 MB/sec execute 14 sec latency 15007.186 ms 1 648 0.00 MB/sec execute 15 sec latency 16008.170 ms 1 648 0.00 MB/sec execute 16 sec latency 17008.441 ms 1 648 0.00 MB/sec execute 17 sec latency 18012.929 ms Failover mds1 to oleg421-server 1 648 0.00 MB/sec execute 18 sec latency 19013.532 ms mount facets: mds1 1 648 0.00 MB/sec execute 19 sec latency 20015.149 ms 1 648 0.00 MB/sec execute 20 sec latency 21015.350 ms 1 648 0.00 MB/sec execute 21 sec latency 22015.995 ms 1 648 0.00 MB/sec execute 22 sec latency 23016.261 ms 1 648 0.00 MB/sec execute 23 sec latency 24017.782 ms 1 648 0.00 MB/sec execute 24 sec latency 25020.677 ms 1 648 0.00 MB/sec execute 25 sec latency 26020.936 ms 1 648 0.00 MB/sec execute 26 sec latency 27021.340 ms 1 648 0.00 MB/sec execute 27 sec latency 28024.460 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 648 0.00 MB/sec execute 28 sec latency 29032.233 ms 1 648 0.00 MB/sec execute 29 sec latency 30032.513 ms 1 648 0.00 MB/sec execute 30 sec latency 31032.727 ms 1 648 0.00 MB/sec execute 31 sec latency 32033.797 ms 1 648 0.00 MB/sec execute 32 sec latency 33034.110 ms 1 648 0.00 MB/sec execute 33 sec latency 34037.110 ms 1 648 0.00 MB/sec execute 34 sec latency 35037.271 ms 1 648 0.00 MB/sec execute 35 sec latency 36038.438 ms 1 648 0.00 MB/sec execute 36 sec latency 37038.647 ms 1 648 0.00 MB/sec execute 37 sec latency 38043.481 ms 1 648 0.00 MB/sec execute 38 sec latency 39045.846 ms oleg421-server: oleg421-server.virtnet: executing set_default_debug -1 all 1 648 0.00 MB/sec execute 39 sec latency 40047.102 ms 1 655 0.00 MB/sec execute 40 sec latency 40699.648 ms pdsh@oleg421-client: oleg421-server: ssh exited with exit code 1 1 681 0.00 MB/sec execute 41 sec latency 168.166 ms Started lustre-MDT0000 01:38:16 (1788845896) targets are mounted 01:38:16 (1788845896) facet_failover done 1 710 0.00 MB/sec execute 42 sec latency 161.314 ms 1 738 0.01 MB/sec execute 43 sec latency 165.878 ms 1 769 0.01 MB/sec execute 44 sec latency 140.840 ms 1 794 0.01 MB/sec execute 45 sec latency 180.041 ms 1 820 0.01 MB/sec execute 46 sec latency 130.378 ms 1 865 0.01 MB/sec execute 47 sec latency 194.778 ms 1 884 0.01 MB/sec execute 48 sec latency 278.993 ms 1 884 0.01 MB/sec execute 49 sec latency 1279.197 ms oleg421-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 892 0.01 MB/sec execute 50 sec latency 1808.209 ms 1 918 0.01 MB/sec execute 51 sec latency 152.764 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 954 0.01 MB/sec execute 52 sec latency 115.698 ms 1 981 0.02 MB/sec execute 53 sec latency 129.514 ms 1 1041 0.03 MB/sec execute 54 sec latency 135.190 ms 1 1081 0.03 MB/sec execute 55 sec latency 123.844 ms 1 1132 0.03 MB/sec execute 56 sec latency 110.132 ms 1 1173 0.03 MB/sec execute 57 sec latency 107.097 ms 1 1223 0.03 MB/sec execute 58 sec latency 70.268 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1255 0.03 MB/sec execute 59 sec latency 140.838 ms 1 1391 0.08 MB/sec execute 60 sec latency 73.175 ms 1 1429 0.08 MB/sec execute 61 sec latency 121.270 ms 1 1467 0.08 MB/sec execute 62 sec latency 308.884 ms 1 1502 0.08 MB/sec execute 63 sec latency 363.064 ms 1 1551 0.08 MB/sec execute 64 sec latency 107.561 ms 1 1584 0.08 MB/sec execute 65 sec latency 62.584 ms 1 1616 0.08 MB/sec execute 66 sec latency 194.173 ms 1 1653 0.08 MB/sec execute 67 sec latency 151.290 ms 1 1687 0.08 MB/sec execute 68 sec latency 129.623 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 1 1758 0.08 MB/sec execute 69 sec latency 93.404 ms stopping dbench on /mnt/lustre at Tue Sep 8 01:38:43 EDT 2026 with return code 0 67852 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67852 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished