== replay-dual test 26: dbench and tar with mds failover ========================================================== 05:21:00 (1769077260) Starting client oleg356-client.virtnet: -o user_xattr,flock 192.168.203.156@tcp:/lustre /mnt/lustre Started clients oleg356-client.virtnet: 192.168.203.156@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 65106 Started dbench loop with 65107 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 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13832 3589012 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7194468 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 Jan 22 05:21:07 EST 2026 waiting for dbench pid 65185 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 19.692 ms 1 51 1.04 MB/sec warmup 2 sec latency 146.095 ms 1 91 1.39 MB/sec warmup 3 sec latency 150.239 ms 1 127 1.42 MB/sec warmup 4 sec latency 174.325 ms 1 153 1.29 MB/sec warmup 5 sec latency 164.544 ms 1 174 1.17 MB/sec warmup 6 sec latency 229.101 ms 1 195 1.11 MB/sec warmup 7 sec latency 408.221 ms 1 229 1.10 MB/sec warmup 8 sec latency 128.931 ms 1 263 1.10 MB/sec warmup 9 sec latency 148.787 ms 1 297 1.09 MB/sec warmup 10 sec latency 131.340 ms test_26 fail mds1 1 times 1 321 1.06 MB/sec warmup 11 sec latency 162.012 ms 1 341 1.02 MB/sec warmup 12 sec latency 194.769 ms Failing mds1 on oleg356-server 1 361 0.99 MB/sec warmup 13 sec latency 263.776 ms 1 392 0.99 MB/sec warmup 14 sec latency 136.475 ms Stopping /mnt/lustre-mds1 (opts:) on oleg356-server 1 432 1.01 MB/sec warmup 15 sec latency 189.088 ms 1 480 1.04 MB/sec warmup 16 sec latency 134.235 ms 1 501 1.03 MB/sec warmup 17 sec latency 628.725 ms 1 501 0.97 MB/sec warmup 18 sec latency 1631.606 ms 05:21:26 (1769077286) shut down facet: mds1 facet_host: oleg356-server facet_failover_host: oleg356-server 1 501 0.92 MB/sec warmup 19 sec latency 2631.886 ms 1 501 0.00 MB/sec execute 1 sec latency 4633.381 ms 1 501 0.00 MB/sec execute 2 sec latency 5633.654 ms 1 501 0.00 MB/sec execute 3 sec latency 6636.447 ms 1 501 0.00 MB/sec execute 4 sec latency 7636.849 ms 1 501 0.00 MB/sec execute 5 sec latency 8638.345 ms 1 501 0.00 MB/sec execute 6 sec latency 9639.761 ms 1 501 0.00 MB/sec execute 7 sec latency 10642.876 ms 1 501 0.00 MB/sec execute 8 sec latency 11643.136 ms 1 501 0.00 MB/sec execute 9 sec latency 12644.602 ms Failover mds1 to oleg356-server mount facets: mds1 1 501 0.00 MB/sec execute 10 sec latency 13644.861 ms 1 501 0.00 MB/sec execute 11 sec latency 14649.892 ms 1 501 0.00 MB/sec execute 12 sec latency 15652.879 ms 1 501 0.00 MB/sec execute 13 sec latency 16653.744 ms 1 501 0.00 MB/sec execute 14 sec latency 17659.358 ms 1 501 0.00 MB/sec execute 15 sec latency 18659.850 ms 1 501 0.00 MB/sec execute 16 sec latency 19661.806 ms 1 501 0.00 MB/sec execute 17 sec latency 20662.444 ms 1 501 0.00 MB/sec execute 18 sec latency 21663.785 ms 1 501 0.00 MB/sec execute 19 sec latency 22665.163 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 23665.953 ms 1 501 0.00 MB/sec execute 21 sec latency 24666.436 ms 1 501 0.00 MB/sec execute 22 sec latency 25667.104 ms 1 501 0.00 MB/sec execute 23 sec latency 26667.634 ms 1 501 0.00 MB/sec execute 24 sec latency 27670.191 ms 1 501 0.00 MB/sec execute 25 sec latency 28670.608 ms 1 501 0.00 MB/sec execute 26 sec latency 29672.078 ms 1 501 0.00 MB/sec execute 27 sec latency 30673.591 ms oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 28 sec latency 31673.766 ms pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 29 sec latency 32675.447 ms 1 501 0.00 MB/sec execute 30 sec latency 33683.403 ms Started lustre-MDT0000 05:21:57 (1769077317) targets are mounted 05:21:57 (1769077317) facet_failover done 1 501 0.00 MB/sec execute 31 sec latency 34685.787 ms 1 503 0.00 MB/sec execute 32 sec latency 35616.068 ms 1 537 0.04 MB/sec execute 33 sec latency 160.720 ms 1 612 0.10 MB/sec execute 34 sec latency 94.261 ms 1 661 0.11 MB/sec execute 35 sec latency 122.427 ms oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 699 0.10 MB/sec execute 36 sec latency 112.743 ms 1 728 0.10 MB/sec execute 37 sec latency 116.950 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 759 0.10 MB/sec execute 38 sec latency 154.377 ms 1 783 0.10 MB/sec execute 39 sec latency 141.032 ms 1 815 0.10 MB/sec execute 40 sec latency 107.896 ms 1 870 0.10 MB/sec execute 41 sec latency 103.281 ms 1 884 0.10 MB/sec execute 42 sec latency 500.724 ms 1 892 0.10 MB/sec execute 43 sec latency 1136.475 ms 1 920 0.10 MB/sec execute 44 sec latency 147.889 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 13668 3584408 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 37876 3565912 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 51544 7150320 1% /mnt/lustre 1 957 0.10 MB/sec execute 45 sec latency 152.668 ms 1 985 0.10 MB/sec execute 46 sec latency 204.547 ms 1 1042 0.12 MB/sec execute 47 sec latency 116.456 ms 1 1082 0.11 MB/sec execute 48 sec latency 91.945 ms 1 1128 0.11 MB/sec execute 49 sec latency 115.087 ms 1 1156 0.11 MB/sec execute 50 sec latency 209.590 ms 1 1204 0.11 MB/sec execute 51 sec latency 90.983 ms 1 1215 0.11 MB/sec execute 52 sec latency 834.423 ms 1 1242 0.11 MB/sec execute 53 sec latency 119.907 ms 1 1268 0.10 MB/sec execute 54 sec latency 155.650 ms 1 1405 0.16 MB/sec execute 55 sec latency 119.618 ms test_26 fail mds2 2 times 1 1467 0.15 MB/sec execute 56 sec latency 189.392 ms 1 1525 0.15 MB/sec execute 57 sec latency 223.503 ms 1 1566 0.15 MB/sec execute 58 sec latency 99.382 ms Failing mds2 on oleg356-server Stopping /mnt/lustre-mds2 (opts:) on oleg356-server 1 1616 0.15 MB/sec execute 59 sec latency 87.660 ms 1 1646 0.15 MB/sec execute 60 sec latency 176.123 ms 1 1655 0.14 MB/sec execute 61 sec latency 559.714 ms 1 1655 0.14 MB/sec execute 62 sec latency 1559.938 ms 1 1655 0.14 MB/sec execute 63 sec latency 2561.374 ms 1 1655 0.14 MB/sec execute 64 sec latency 3561.675 ms 1 1655 0.13 MB/sec execute 65 sec latency 4564.037 ms 1 1655 0.13 MB/sec execute 66 sec latency 5564.320 ms 1 1655 0.13 MB/sec execute 67 sec latency 6566.661 ms 1 1655 0.13 MB/sec execute 68 sec latency 7570.235 ms 05:22:36 (1769077356) shut down facet: mds2 facet_host: oleg356-server facet_failover_host: oleg356-server 1 1655 0.13 MB/sec execute 69 sec latency 8571.346 ms 1 1655 0.12 MB/sec execute 70 sec latency 9572.108 ms 1 1655 0.12 MB/sec execute 71 sec latency 10572.938 ms 1 1655 0.12 MB/sec execute 72 sec latency 11573.505 ms 1 1655 0.12 MB/sec execute 73 sec latency 12575.380 ms 1 1655 0.12 MB/sec execute 74 sec latency 13579.148 ms 1 1655 0.12 MB/sec execute 75 sec latency 14579.462 ms 1 1655 0.11 MB/sec execute 76 sec latency 15579.713 ms 1 1655 0.11 MB/sec execute 77 sec latency 16579.940 ms 1 1655 0.11 MB/sec execute 78 sec latency 17580.573 ms Failover mds2 to oleg356-server 1 1655 0.11 MB/sec execute 79 sec latency 18582.361 ms mount facets: mds2 1 1655 0.11 MB/sec execute 80 sec latency 19585.156 ms 1 1655 0.11 MB/sec execute 81 sec latency 20585.391 ms 1 1655 0.11 MB/sec execute 82 sec latency 21592.350 ms 1 1655 0.11 MB/sec execute 83 sec latency 22592.548 ms 1 1655 0.10 MB/sec execute 84 sec latency 23596.041 ms 1 1655 0.10 MB/sec execute 85 sec latency 24596.598 ms 1 1655 0.10 MB/sec execute 86 sec latency 25596.867 ms 1 1655 0.10 MB/sec execute 87 sec latency 26598.594 ms 1 1655 0.10 MB/sec execute 88 sec latency 27604.886 ms 1 1655 0.10 MB/sec execute 89 sec latency 28605.568 ms 1 1655 0.10 MB/sec execute 90 sec latency 29606.740 ms 1 1655 0.10 MB/sec execute 91 sec latency 30608.155 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1655 0.09 MB/sec execute 92 sec latency 31608.365 ms 1 1655 0.09 MB/sec execute 93 sec latency 32612.298 ms 1 1655 0.09 MB/sec execute 94 sec latency 33612.560 ms 1 1655 0.09 MB/sec execute 95 sec latency 34614.013 ms 1 1655 0.09 MB/sec execute 96 sec latency 35617.956 ms 1 1655 0.09 MB/sec execute 97 sec latency 36619.683 ms 1 1655 0.09 MB/sec execute 98 sec latency 37620.326 ms 1 1655 0.09 MB/sec execute 99 sec latency 38620.750 ms 1 cleanup 100 sec oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 1 cleanup 102 sec 1 cleanup 103 sec Started lustre-MDT0001 05:23:11 (1769077391) targets are mounted 05:23:11 (1769077391) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 0 cleanup 107 sec 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 190 470.509 42010.503 Close 149 14.780 98.093 Rename 10 127.795 209.562 Unlink 21 65.201 834.410 Qpathinfo 148 19.233 116.752 Qfileinfo 47 2.084 20.437 Qfsinfo 33 4.206 27.327 Sfileinfo 34 71.734 143.411 Find 61 14.507 94.246 WriteX 180 13.492 154.598 ReadX 255 0.399 7.812 Flush 27 59.521 105.411 Throughput 0.0881416 MB/sec 1 clients 1 procs max_latency=38620.750 ms stopping dbench on /mnt/lustre at Thu Jan 22 05:23:15 EST 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid striped dir -i0 -c2 -H crush2 /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 Thu Jan 22 05:23:24 EST 2026 waiting for dbench pid 67281 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 25.043 ms 1 60 1.24 MB/sec warmup 2 sec latency 152.856 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2272 1269032 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2176 1269128 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11836 3595156 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35392 3569912 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47228 7165068 1% /mnt/lustre 1 111 1.75 MB/sec warmup 3 sec latency 139.514 ms 1 137 1.50 MB/sec warmup 4 sec latency 244.952 ms 1 160 1.30 MB/sec warmup 5 sec latency 191.451 ms 1 184 1.23 MB/sec warmup 6 sec latency 185.252 ms 1 197 1.12 MB/sec warmup 7 sec latency 762.696 ms 1 231 1.11 MB/sec warmup 8 sec latency 196.189 ms 1 263 1.10 MB/sec warmup 9 sec latency 148.616 ms 1 295 1.09 MB/sec warmup 10 sec latency 145.791 ms 1 323 1.06 MB/sec warmup 11 sec latency 209.792 ms 1 349 1.04 MB/sec warmup 12 sec latency 177.785 ms 1 381 1.04 MB/sec warmup 13 sec latency 167.711 ms test_26 fail mds1 3 times 1 419 1.05 MB/sec warmup 14 sec latency 186.873 ms 1 445 1.04 MB/sec warmup 15 sec latency 184.776 ms 1 469 1.02 MB/sec warmup 16 sec latency 196.042 ms Failing mds1 on oleg356-server 1 503 1.02 MB/sec warmup 17 sec latency 147.122 ms Stopping /mnt/lustre-mds1 (opts:) on oleg356-server 1 528 1.01 MB/sec warmup 18 sec latency 172.278 ms 1 588 1.06 MB/sec warmup 19 sec latency 206.874 ms 1 606 0.00 MB/sec execute 1 sec latency 1812.395 ms 1 606 0.00 MB/sec execute 2 sec latency 2814.001 ms 1 606 0.00 MB/sec execute 3 sec latency 3815.067 ms 1 606 0.00 MB/sec execute 4 sec latency 4815.345 ms 1 606 0.00 MB/sec execute 5 sec latency 5815.556 ms 1 606 0.00 MB/sec execute 6 sec latency 6815.869 ms 1 606 0.00 MB/sec execute 7 sec latency 7816.083 ms 05:23:52 (1769077432) shut down facet: mds1 facet_host: oleg356-server facet_failover_host: oleg356-server 1 606 0.00 MB/sec execute 8 sec latency 8816.441 ms 1 606 0.00 MB/sec execute 9 sec latency 9817.090 ms 1 606 0.00 MB/sec execute 10 sec latency 10818.563 ms 1 606 0.00 MB/sec execute 11 sec latency 11819.726 ms 1 606 0.00 MB/sec execute 12 sec latency 12819.898 ms 1 606 0.00 MB/sec execute 13 sec latency 13820.158 ms 1 606 0.00 MB/sec execute 14 sec latency 14822.310 ms 1 606 0.00 MB/sec execute 15 sec latency 15822.583 ms 1 606 0.00 MB/sec execute 16 sec latency 16826.011 ms 1 606 0.00 MB/sec execute 17 sec latency 17826.553 ms 1 606 0.00 MB/sec execute 18 sec latency 18830.422 ms Failover mds1 to oleg356-server mount facets: mds1 1 606 0.00 MB/sec execute 19 sec latency 19830.746 ms 1 606 0.00 MB/sec execute 20 sec latency 20833.296 ms 1 606 0.00 MB/sec execute 21 sec latency 21836.393 ms 1 606 0.00 MB/sec execute 22 sec latency 22839.189 ms 1 606 0.00 MB/sec execute 23 sec latency 23839.440 ms 1 606 0.00 MB/sec execute 24 sec latency 24839.672 ms 1 606 0.00 MB/sec execute 25 sec latency 25840.393 ms 1 606 0.00 MB/sec execute 26 sec latency 26840.671 ms 1 606 0.00 MB/sec execute 27 sec latency 27841.203 ms 1 606 0.00 MB/sec execute 28 sec latency 28841.415 ms 1 606 0.00 MB/sec execute 29 sec latency 29841.725 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 30 sec latency 30841.944 ms 1 606 0.00 MB/sec execute 31 sec latency 31843.228 ms 1 606 0.00 MB/sec execute 32 sec latency 32843.808 ms 1 606 0.00 MB/sec execute 33 sec latency 33844.570 ms 1 606 0.00 MB/sec execute 34 sec latency 34845.260 ms 1 606 0.00 MB/sec execute 35 sec latency 35852.368 ms 1 606 0.00 MB/sec execute 36 sec latency 36852.631 ms 1 606 0.00 MB/sec execute 37 sec latency 37854.581 ms 1 606 0.00 MB/sec execute 38 sec latency 38859.126 ms 1 606 0.00 MB/sec execute 39 sec latency 39859.734 ms 1 606 0.00 MB/sec execute 40 sec latency 40860.796 ms oleg356-server: oleg356-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 41 sec latency 41863.278 ms 1 606 0.00 MB/sec execute 42 sec latency 42863.524 ms pdsh@oleg356-client: oleg356-server: ssh exited with exit code 1 1 616 0.00 MB/sec execute 43 sec latency 43414.708 ms 1 664 0.00 MB/sec execute 44 sec latency 116.597 ms Started lustre-MDT0000 05:24:29 (1769077469) targets are mounted 05:24:29 (1769077469) facet_failover done 1 697 0.01 MB/sec execute 45 sec latency 111.442 ms 1 723 0.01 MB/sec execute 46 sec latency 120.930 ms 1 767 0.01 MB/sec execute 47 sec latency 106.737 ms 1 798 0.01 MB/sec execute 48 sec latency 136.356 ms 1 825 0.01 MB/sec execute 49 sec latency 109.680 ms oleg356-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 873 0.01 MB/sec execute 50 sec latency 112.453 ms 1 884 0.01 MB/sec execute 51 sec latency 398.542 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 884 0.01 MB/sec execute 52 sec latency 1400.396 ms 1 890 0.01 MB/sec execute 53 sec latency 1876.560 ms 1 914 0.01 MB/sec execute 54 sec latency 171.220 ms 1 935 0.01 MB/sec execute 55 sec latency 163.601 ms 1 969 0.02 MB/sec execute 56 sec latency 186.098 ms 1 990 0.02 MB/sec execute 57 sec latency 134.648 ms 1 1051 0.03 MB/sec execute 58 sec latency 151.764 ms 1 1085 0.03 MB/sec execute 59 sec latency 107.859 ms 1 1141 0.03 MB/sec execute 60 sec latency 105.008 ms 1 1180 0.03 MB/sec execute 61 sec latency 142.066 ms 1 1224 0.03 MB/sec execute 62 sec latency 100.365 ms 1 1263 0.03 MB/sec execute 63 sec latency 104.008 ms 1 1391 0.08 MB/sec execute 64 sec latency 102.807 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1421 0.08 MB/sec execute 65 sec latency 149.865 ms 1 1467 0.08 MB/sec execute 66 sec latency 222.383 ms 1 1492 0.08 MB/sec execute 67 sec latency 447.551 ms 1 1525 0.08 MB/sec execute 68 sec latency 125.166 ms 1 1567 0.07 MB/sec execute 69 sec latency 92.209 ms 1 1591 0.07 MB/sec execute 70 sec latency 128.021 ms 1 1625 0.07 MB/sec execute 71 sec latency 141.104 ms 1 1651 0.07 MB/sec execute 72 sec latency 300.100 ms 1 1686 0.07 MB/sec execute 73 sec latency 130.270 ms 1 1721 0.07 MB/sec execute 74 sec latency 111.125 ms 1 1779 0.07 MB/sec execute 75 sec latency 93.860 ms 1 1820 0.07 MB/sec execute 76 sec latency 114.208 ms 1 1855 0.07 MB/sec execute 77 sec latency 116.977 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jan 22 05:25:02 EST 2026 with return code 0 1 1898 0.07 MB/sec execute 78 sec latency 133.035 ms 67281 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67281 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished