== replay-dual test 26: dbench and tar with mds failover ========================================================== 15:04:57 (1780340697) Starting client oleg454-client.virtnet: -o user_xattr,flock 192.168.204.154@tcp:/lustre /mnt/lustre Started clients oleg454-client.virtnet: 192.168.204.154@tcp:/lustre on /mnt/lustre type lustre (rw,flock,checksum,encrypt,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 64928 Started dbench loop with 64930 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /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 1944 1269360 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1748 1269556 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3597180 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202636 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 Jun 1 15:05:05 EDT 2026 waiting for dbench pid 65010 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 8 0.00 MB/sec warmup 1 sec latency 43.559 ms 1 37 0.62 MB/sec warmup 2 sec latency 137.298 ms 1 91 1.40 MB/sec warmup 3 sec latency 124.093 ms 1 121 1.37 MB/sec warmup 4 sec latency 268.793 ms 1 155 1.31 MB/sec warmup 5 sec latency 146.309 ms 1 157 1.09 MB/sec warmup 6 sec latency 802.205 ms 1 174 1.01 MB/sec warmup 7 sec latency 1166.129 ms 1 192 0.95 MB/sec warmup 8 sec latency 567.816 ms 1 216 0.93 MB/sec warmup 9 sec latency 176.292 ms test_26 fail mds1 1 times 1 255 0.97 MB/sec warmup 10 sec latency 126.734 ms 1 282 0.95 MB/sec warmup 11 sec latency 171.086 ms 1 311 0.95 MB/sec warmup 12 sec latency 152.803 ms Failing mds1 on oleg454-server 1 339 0.94 MB/sec warmup 13 sec latency 171.966 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 369 0.94 MB/sec warmup 14 sec latency 160.564 ms 1 389 0.92 MB/sec warmup 15 sec latency 593.687 ms 1 389 0.86 MB/sec warmup 16 sec latency 1596.354 ms 15:05:22 (1780340722) shut down 1 389 0.81 MB/sec warmup 17 sec latency 2597.320 ms facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 389 0.77 MB/sec warmup 18 sec latency 3597.575 ms 1 389 0.73 MB/sec warmup 19 sec latency 4598.075 ms 1 389 0.00 MB/sec execute 1 sec latency 6604.535 ms 1 389 0.00 MB/sec execute 2 sec latency 7604.825 ms 1 389 0.00 MB/sec execute 3 sec latency 8605.383 ms 1 389 0.00 MB/sec execute 4 sec latency 9608.129 ms 1 389 0.00 MB/sec execute 5 sec latency 10609.741 ms 1 389 0.00 MB/sec execute 6 sec latency 11610.025 ms 1 389 0.00 MB/sec execute 7 sec latency 12610.390 ms Failover mds1 to oleg454-server mount facets: mds1 1 389 0.00 MB/sec execute 8 sec latency 13610.725 ms 1 389 0.00 MB/sec execute 9 sec latency 14611.162 ms 1 389 0.00 MB/sec execute 10 sec latency 15612.264 ms 1 389 0.00 MB/sec execute 11 sec latency 16612.494 ms 1 389 0.00 MB/sec execute 12 sec latency 17612.758 ms 1 389 0.00 MB/sec execute 13 sec latency 18613.074 ms 1 389 0.00 MB/sec execute 14 sec latency 19624.003 ms 1 389 0.00 MB/sec execute 15 sec latency 20624.269 ms 1 389 0.00 MB/sec execute 16 sec latency 21632.197 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 389 0.00 MB/sec execute 17 sec latency 22633.351 ms 1 389 0.00 MB/sec execute 18 sec latency 23635.639 ms 1 389 0.00 MB/sec execute 19 sec latency 24636.011 ms 1 389 0.00 MB/sec execute 20 sec latency 25636.414 ms 1 389 0.00 MB/sec execute 21 sec latency 26637.047 ms 1 389 0.00 MB/sec execute 22 sec latency 27637.752 ms 1 389 0.00 MB/sec execute 23 sec latency 28638.300 ms 1 389 0.00 MB/sec execute 24 sec latency 29638.573 ms 1 389 0.00 MB/sec execute 25 sec latency 30639.699 ms 1 389 0.00 MB/sec execute 26 sec latency 31640.032 ms 1 389 0.00 MB/sec execute 27 sec latency 32649.742 ms 1 389 0.00 MB/sec execute 28 sec latency 33650.403 ms 1 389 0.00 MB/sec execute 29 sec latency 34650.743 ms 1 389 0.00 MB/sec execute 30 sec latency 35654.443 ms 1 389 0.00 MB/sec execute 31 sec latency 36655.277 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 389 0.00 MB/sec execute 32 sec latency 37656.563 ms 1 389 0.00 MB/sec execute 33 sec latency 38661.795 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 389 0.00 MB/sec execute 34 sec latency 39670.692 ms Started lustre-MDT0000 15:06:00 (1780340760) targets are mounted 1 399 0.01 MB/sec execute 35 sec latency 40335.618 ms 15:06:00 (1780340760) facet_failover done 1 437 0.04 MB/sec execute 36 sec latency 117.002 ms 1 467 0.07 MB/sec execute 37 sec latency 163.317 ms 1 494 0.09 MB/sec execute 38 sec latency 161.361 ms 1 517 0.10 MB/sec execute 39 sec latency 176.473 ms 1 552 0.13 MB/sec execute 40 sec latency 261.786 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 586 0.15 MB/sec execute 41 sec latency 902.174 ms 1 638 0.17 MB/sec execute 42 sec latency 110.935 ms 1 664 0.17 MB/sec execute 43 sec latency 191.548 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 691 0.17 MB/sec execute 44 sec latency 148.976 ms 1 712 0.16 MB/sec execute 45 sec latency 170.636 ms 1 737 0.16 MB/sec execute 46 sec latency 121.768 ms 1 765 0.16 MB/sec execute 47 sec latency 136.643 ms 1 796 0.16 MB/sec execute 48 sec latency 178.642 ms 1 827 0.16 MB/sec execute 49 sec latency 110.732 ms 1 874 0.16 MB/sec execute 50 sec latency 139.438 ms 1 901 0.15 MB/sec execute 51 sec latency 114.491 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2064 1269240 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1864 1269440 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13940 3588984 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 34028 3569172 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47968 7158156 1% /mnt/lustre 1 918 0.15 MB/sec execute 52 sec latency 165.373 ms 1 949 0.15 MB/sec execute 53 sec latency 172.896 ms 1 977 0.15 MB/sec execute 54 sec latency 137.998 ms 1 1005 0.15 MB/sec execute 55 sec latency 154.726 ms 1 1060 0.16 MB/sec execute 56 sec latency 79.612 ms 1 1105 0.16 MB/sec execute 57 sec latency 77.545 ms 1 1148 0.16 MB/sec execute 58 sec latency 130.764 ms 1 1172 0.16 MB/sec execute 59 sec latency 455.150 ms 1 1177 0.15 MB/sec execute 60 sec latency 1173.974 ms 1 1221 0.15 MB/sec execute 61 sec latency 89.766 ms test_26 fail mds2 2 times 1 1252 0.15 MB/sec execute 62 sec latency 133.947 ms 1 1318 0.16 MB/sec execute 63 sec latency 114.052 ms 1 1401 0.19 MB/sec execute 64 sec latency 119.906 ms Failing mds2 on oleg454-server 1 1426 0.19 MB/sec execute 65 sec latency 148.331 ms Stopping /mnt/lustre-mds2 (opts:) on oleg454-server 1 1464 0.18 MB/sec execute 66 sec latency 111.914 ms 1 1496 0.18 MB/sec execute 67 sec latency 176.093 ms 1 1537 0.18 MB/sec execute 68 sec latency 123.843 ms 1 1589 0.18 MB/sec execute 69 sec latency 80.348 ms 1 1643 0.18 MB/sec execute 70 sec latency 107.268 ms 1 1689 0.17 MB/sec execute 71 sec latency 144.776 ms 1 1755 0.17 MB/sec execute 72 sec latency 85.409 ms 1 1808 0.17 MB/sec execute 73 sec latency 79.488 ms 1 1848 0.17 MB/sec execute 74 sec latency 109.956 ms 15:06:40 (1780340800) shut down 1 1902 0.17 MB/sec execute 75 sec latency 87.522 ms facet: mds2 facet_host: oleg454-server facet_failover_host: oleg454-server 1 1978 0.17 MB/sec execute 76 sec latency 84.079 ms 1 2020 0.16 MB/sec execute 77 sec latency 91.578 ms 1 2088 0.16 MB/sec execute 78 sec latency 116.437 ms 1 2154 0.16 MB/sec execute 79 sec latency 99.009 ms 1 2178 0.16 MB/sec execute 80 sec latency 122.611 ms 1 2258 0.16 MB/sec execute 81 sec latency 106.509 ms 1 2259 0.16 MB/sec execute 82 sec latency 988.891 ms 1 2259 0.16 MB/sec execute 83 sec latency 1991.118 ms 1 2259 0.15 MB/sec execute 84 sec latency 2993.580 ms 1 2259 0.15 MB/sec execute 85 sec latency 3993.838 ms Failover mds2 to oleg454-server mount facets: mds2 1 2259 0.15 MB/sec execute 86 sec latency 4994.070 ms 1 2259 0.15 MB/sec execute 87 sec latency 5995.888 ms 1 2259 0.15 MB/sec execute 88 sec latency 6996.401 ms 1 2259 0.15 MB/sec execute 89 sec latency 7996.961 ms 1 2259 0.14 MB/sec execute 90 sec latency 8997.547 ms 1 2259 0.14 MB/sec execute 91 sec latency 9998.257 ms 1 2259 0.14 MB/sec execute 92 sec latency 11001.462 ms 1 2259 0.14 MB/sec execute 93 sec latency 12001.738 ms 1 2259 0.14 MB/sec execute 94 sec latency 13003.023 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 95 sec latency 14003.788 ms 1 2259 0.13 MB/sec execute 96 sec latency 15004.067 ms 1 2259 0.13 MB/sec execute 97 sec latency 16004.322 ms 1 2259 0.13 MB/sec execute 98 sec latency 17006.124 ms 1 2259 0.13 MB/sec execute 99 sec latency 18006.467 ms 1 cleanup 100 sec oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 cleanup 101 sec 1 cleanup 102 sec pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 cleanup 103 sec Started lustre-MDT0001 15:07:09 (1780340829) targets are mounted 15:07:09 (1780340829) facet_failover done 1 cleanup 104 sec 1 cleanup 105 sec 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 108 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 334 252.415 40335.594 Close 290 12.794 57.695 Rename 11 110.085 170.601 Unlink 30 31.508 57.088 Qpathinfo 295 17.317 123.814 Qfileinfo 83 2.471 13.291 Qfsinfo 33 4.082 30.501 Sfileinfo 34 68.827 156.445 Find 92 13.403 78.431 WriteX 291 17.755 97.351 ReadX 348 2.928 107.985 Flush 30 67.881 176.066 Throughput 0.130673 MB/sec 1 clients 1 procs max_latency=40335.618 ms stopping dbench on /mnt/lustre at Mon Jun 1 15:07:13 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec striped dir -i0 -c2 -H crush2 /mnt/lustre2/d26.replay-dual/run_dbench 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 Mon Jun 1 15:07:22 EDT 2026 waiting for dbench pid 67091 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 0 10 0.00 MB/sec warmup 1 sec latency 121.996 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2348 1268956 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2124 1269180 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 35868 3569092 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10684 3595788 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 46552 7164880 1% /mnt/lustre 1 57 1.15 MB/sec warmup 2 sec latency 199.079 ms 1 102 1.57 MB/sec warmup 3 sec latency 97.163 ms 1 135 1.49 MB/sec warmup 4 sec latency 194.425 ms 1 157 1.31 MB/sec warmup 5 sec latency 236.620 ms 1 181 1.22 MB/sec warmup 6 sec latency 309.762 ms 1 188 1.08 MB/sec warmup 7 sec latency 446.153 ms 1 188 0.95 MB/sec warmup 8 sec latency 1446.499 ms 1 197 0.87 MB/sec warmup 9 sec latency 1970.537 ms 1 222 0.86 MB/sec warmup 10 sec latency 204.205 ms 1 263 0.90 MB/sec warmup 11 sec latency 106.494 ms 1 289 0.89 MB/sec warmup 12 sec latency 231.787 ms test_26 fail mds1 3 times 1 315 0.88 MB/sec warmup 13 sec latency 217.016 ms 1 341 0.87 MB/sec warmup 14 sec latency 179.144 ms Failing mds1 on oleg454-server 1 368 0.87 MB/sec warmup 15 sec latency 182.500 ms Stopping /mnt/lustre-mds1 (opts:) on oleg454-server 1 397 0.88 MB/sec warmup 16 sec latency 145.910 ms 1 429 0.89 MB/sec warmup 17 sec latency 178.210 ms 1 437 0.85 MB/sec warmup 18 sec latency 883.729 ms 1 437 0.81 MB/sec warmup 19 sec latency 1884.019 ms 15:07:41 (1780340861) shut down facet: mds1 facet_host: oleg454-server facet_failover_host: oleg454-server 1 437 0.00 MB/sec execute 1 sec latency 3884.695 ms 1 437 0.00 MB/sec execute 2 sec latency 4885.721 ms 1 437 0.00 MB/sec execute 3 sec latency 5888.166 ms 1 437 0.00 MB/sec execute 4 sec latency 6888.504 ms 1 437 0.00 MB/sec execute 5 sec latency 7888.800 ms 1 437 0.00 MB/sec execute 6 sec latency 8889.805 ms 1 437 0.00 MB/sec execute 7 sec latency 9893.429 ms 1 437 0.00 MB/sec execute 8 sec latency 10893.863 ms 1 437 0.00 MB/sec execute 9 sec latency 11894.274 ms 1 437 0.00 MB/sec execute 10 sec latency 12899.470 ms Failover mds1 to oleg454-server mount facets: mds1 1 437 0.00 MB/sec execute 11 sec latency 13901.801 ms 1 437 0.00 MB/sec execute 12 sec latency 14903.711 ms 1 437 0.00 MB/sec execute 13 sec latency 15904.023 ms 1 437 0.00 MB/sec execute 14 sec latency 16904.665 ms 1 437 0.00 MB/sec execute 15 sec latency 17904.904 ms 1 437 0.00 MB/sec execute 16 sec latency 18905.245 ms 1 437 0.00 MB/sec execute 17 sec latency 19908.975 ms 1 437 0.00 MB/sec execute 18 sec latency 20909.378 ms 1 437 0.00 MB/sec execute 19 sec latency 21910.700 ms 1 437 0.00 MB/sec execute 20 sec latency 22910.964 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 437 0.00 MB/sec execute 21 sec latency 23912.031 ms 1 437 0.00 MB/sec execute 22 sec latency 24912.283 ms 1 437 0.00 MB/sec execute 23 sec latency 25912.779 ms 1 437 0.00 MB/sec execute 24 sec latency 26913.186 ms 1 437 0.00 MB/sec execute 25 sec latency 27915.068 ms 1 437 0.00 MB/sec execute 26 sec latency 28915.543 ms 1 437 0.00 MB/sec execute 27 sec latency 29915.835 ms 1 437 0.00 MB/sec execute 28 sec latency 30916.172 ms 1 437 0.00 MB/sec execute 29 sec latency 31917.201 ms 1 437 0.00 MB/sec execute 30 sec latency 32917.552 ms 1 437 0.00 MB/sec execute 31 sec latency 33917.970 ms 1 437 0.00 MB/sec execute 32 sec latency 34919.050 ms oleg454-server: oleg454-server.virtnet: executing set_default_debug -1 all 1 437 0.00 MB/sec execute 33 sec latency 35919.299 ms pdsh@oleg454-client: oleg454-server: ssh exited with exit code 1 1 437 0.00 MB/sec execute 34 sec latency 36919.552 ms Started lustre-MDT0000 1 437 0.00 MB/sec execute 35 sec latency 37919.759 ms 15:08:17 (1780340897) targets are mounted 15:08:17 (1780340897) facet_failover done 1 437 0.00 MB/sec execute 36 sec latency 38925.452 ms 1 453 0.01 MB/sec execute 37 sec latency 39462.677 ms 1 478 0.03 MB/sec execute 38 sec latency 182.272 ms 1 504 0.05 MB/sec execute 39 sec latency 157.055 ms 1 541 0.09 MB/sec execute 40 sec latency 187.855 ms oleg454-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 611 0.14 MB/sec execute 41 sec latency 94.211 ms 1 653 0.14 MB/sec execute 42 sec latency 153.555 ms 1 680 0.13 MB/sec execute 43 sec latency 125.439 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 708 0.13 MB/sec execute 44 sec latency 169.923 ms 1 731 0.13 MB/sec execute 45 sec latency 178.626 ms 1 747 0.13 MB/sec execute 46 sec latency 157.276 ms 1 784 0.13 MB/sec execute 47 sec latency 112.899 ms 1 806 0.13 MB/sec execute 48 sec latency 140.730 ms 1 848 0.13 MB/sec execute 49 sec latency 141.304 ms 1 874 0.13 MB/sec execute 50 sec latency 136.342 ms 1 884 0.12 MB/sec execute 51 sec latency 642.469 ms 1 890 0.12 MB/sec execute 52 sec latency 1170.807 ms 1 914 0.12 MB/sec execute 53 sec latency 193.328 ms 1 943 0.12 MB/sec execute 54 sec latency 110.706 ms 1 969 0.12 MB/sec execute 55 sec latency 171.508 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 988 0.12 MB/sec execute 56 sec latency 158.687 ms 1 1042 0.13 MB/sec execute 57 sec latency 121.228 ms 1 1082 0.13 MB/sec execute 58 sec latency 154.905 ms 1 1128 0.13 MB/sec execute 59 sec latency 118.364 ms 1 1163 0.13 MB/sec execute 60 sec latency 109.871 ms 1 1189 0.13 MB/sec execute 61 sec latency 108.732 ms 1 1223 0.12 MB/sec execute 62 sec latency 146.629 ms 1 1259 0.12 MB/sec execute 63 sec latency 104.038 ms 1 1384 0.17 MB/sec execute 64 sec latency 110.190 ms 1 1410 0.16 MB/sec execute 65 sec latency 134.100 ms 1 1449 0.16 MB/sec execute 66 sec latency 160.233 ms 1 1470 0.16 MB/sec execute 67 sec latency 427.782 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Mon Jun 1 15:08:50 EDT 2026 with return code 0 1 1502 0.16 MB/sec execute 68 sec latency 156.853 ms 67091 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67091 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished