== replay-dual test 26: dbench and tar with mds failover ========================================================== 19:34:02 (1786750442) Starting client oleg259-client.virtnet: -o user_xattr,flock 192.168.202.159@tcp:/lustre /mnt/lustre Started clients oleg259-client.virtnet: 192.168.202.159@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 65693 Started dbench loop with 65695 striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H crush /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 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 9736 3584868 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 11300 7190324 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 Fri Aug 14 19:34:08 EDT 2026 waiting for dbench pid 65771 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 11 0.00 MB/sec warmup 1 sec latency 2.919 ms 1 58 1.18 MB/sec warmup 2 sec latency 134.130 ms 1 102 1.57 MB/sec warmup 3 sec latency 180.975 ms 1 129 1.44 MB/sec warmup 4 sec latency 227.399 ms 1 157 1.31 MB/sec warmup 5 sec latency 180.635 ms 1 184 1.23 MB/sec warmup 6 sec latency 155.562 ms 1 205 1.15 MB/sec warmup 7 sec latency 526.705 ms 1 251 1.18 MB/sec warmup 8 sec latency 111.592 ms 1 294 1.20 MB/sec warmup 9 sec latency 164.088 ms test_26 fail mds1 1 times 1 320 1.16 MB/sec warmup 10 sec latency 177.857 ms 1 341 1.11 MB/sec warmup 11 sec latency 204.903 ms Failing mds1 on oleg259-server 1 369 1.09 MB/sec warmup 12 sec latency 193.202 ms Stopping /mnt/lustre-mds1 (opts:) on oleg259-server 1 403 1.10 MB/sec warmup 13 sec latency 123.678 ms 1 436 1.10 MB/sec warmup 14 sec latency 142.474 ms 1 436 1.02 MB/sec warmup 15 sec latency 1101.628 ms 1 436 0.96 MB/sec warmup 16 sec latency 2101.952 ms 19:34:25 (1786750465) shut down facet: mds1 facet_host: oleg259-server facet_failover_host: oleg259-server 1 436 0.90 MB/sec warmup 17 sec latency 3103.600 ms 1 436 0.85 MB/sec warmup 18 sec latency 4103.891 ms 1 436 0.81 MB/sec warmup 19 sec latency 5105.264 ms 1 436 0.00 MB/sec execute 1 sec latency 7106.395 ms 1 436 0.00 MB/sec execute 2 sec latency 8106.583 ms 1 436 0.00 MB/sec execute 3 sec latency 9107.114 ms 1 436 0.00 MB/sec execute 4 sec latency 10107.364 ms 1 436 0.00 MB/sec execute 5 sec latency 11109.109 ms 1 436 0.00 MB/sec execute 6 sec latency 12109.463 ms Failover mds1 to oleg259-server mount facets: mds1 1 436 0.00 MB/sec execute 7 sec latency 13109.704 ms 1 436 0.00 MB/sec execute 8 sec latency 14111.224 ms 1 436 0.00 MB/sec execute 9 sec latency 15111.450 ms 1 436 0.00 MB/sec execute 10 sec latency 16112.517 ms 1 436 0.00 MB/sec execute 11 sec latency 17112.825 ms 1 436 0.00 MB/sec execute 12 sec latency 18115.082 ms 1 436 0.00 MB/sec execute 13 sec latency 19116.239 ms 1 436 0.00 MB/sec execute 14 sec latency 20116.490 ms 1 436 0.00 MB/sec execute 15 sec latency 21119.972 ms 1 436 0.00 MB/sec execute 16 sec latency 22120.332 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 436 0.00 MB/sec execute 17 sec latency 23120.620 ms 1 436 0.00 MB/sec execute 18 sec latency 24120.807 ms 1 436 0.00 MB/sec execute 19 sec latency 25121.281 ms 1 436 0.00 MB/sec execute 20 sec latency 26121.494 ms 1 436 0.00 MB/sec execute 21 sec latency 27128.149 ms 1 436 0.00 MB/sec execute 22 sec latency 28134.880 ms 1 436 0.00 MB/sec execute 23 sec latency 29135.021 ms 1 436 0.00 MB/sec execute 24 sec latency 30135.332 ms 1 436 0.00 MB/sec execute 25 sec latency 31135.989 ms 1 436 0.00 MB/sec execute 26 sec latency 32136.228 ms oleg259-server: oleg259-server.virtnet: executing set_default_debug -1 all 1 436 0.00 MB/sec execute 27 sec latency 33137.053 ms pdsh@oleg259-client: oleg259-server: ssh exited with exit code 1 1 436 0.00 MB/sec execute 28 sec latency 34137.294 ms Started lustre-MDT0000 19:34:57 (1786750497) targets are mounted 19:34:57 (1786750497) facet_failover done 1 436 0.00 MB/sec execute 29 sec latency 35137.528 ms 1 436 0.00 MB/sec execute 30 sec latency 36138.502 ms 1 461 0.03 MB/sec execute 31 sec latency 36391.022 ms 1 494 0.06 MB/sec execute 32 sec latency 125.638 ms 1 523 0.08 MB/sec execute 33 sec latency 128.101 ms 1 552 0.11 MB/sec execute 34 sec latency 584.554 ms 1 616 0.16 MB/sec execute 35 sec latency 668.026 ms 1 669 0.16 MB/sec execute 36 sec latency 128.175 ms oleg259-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 697 0.16 MB/sec execute 37 sec latency 174.951 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 734 0.16 MB/sec execute 38 sec latency 105.082 ms 1 770 0.15 MB/sec execute 39 sec latency 105.411 ms 1 801 0.15 MB/sec execute 40 sec latency 133.981 ms 1 848 0.15 MB/sec execute 41 sec latency 89.570 ms 1 888 0.15 MB/sec execute 42 sec latency 105.989 ms 1 919 0.15 MB/sec execute 43 sec latency 117.342 ms 1 952 0.15 MB/sec execute 44 sec latency 149.291 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2084 1269220 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1924 1269380 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17364 3585884 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 36200 3567648 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 53564 7153532 1% /mnt/lustre 1 981 0.14 MB/sec execute 45 sec latency 148.822 ms 1 1033 0.16 MB/sec execute 46 sec latency 101.498 ms 1 1077 0.16 MB/sec execute 47 sec latency 90.049 ms 1 1119 0.16 MB/sec execute 48 sec latency 109.816 ms 1 1147 0.16 MB/sec execute 49 sec latency 114.059 ms 1 1172 0.15 MB/sec execute 50 sec latency 572.450 ms 1 1198 0.15 MB/sec execute 51 sec latency 731.755 ms 1 1242 0.15 MB/sec execute 52 sec latency 105.114 ms 1 1277 0.15 MB/sec execute 53 sec latency 143.611 ms 1 1415 0.20 MB/sec execute 54 sec latency 77.389 ms test_26 fail mds2 2 times 1 1474 0.19 MB/sec execute 55 sec latency 76.802 ms 1 1511 0.19 MB/sec execute 56 sec latency 117.108 ms Failing mds2 on oleg259-server 1 1553 0.19 MB/sec execute 57 sec latency 98.908 ms Stopping /mnt/lustre-mds2 (opts:) on oleg259-server 1 1591 0.19 MB/sec execute 58 sec latency 67.726 ms 1 1643 0.18 MB/sec execute 59 sec latency 90.749 ms 1 1696 0.18 MB/sec execute 60 sec latency 115.636 ms 1 1789 0.18 MB/sec execute 61 sec latency 58.151 ms 1 1873 0.18 MB/sec execute 62 sec latency 62.431 ms 1 1961 0.18 MB/sec execute 63 sec latency 99.213 ms 1 2053 0.18 MB/sec execute 64 sec latency 57.364 ms 1 2124 0.17 MB/sec execute 65 sec latency 106.971 ms 1 2166 0.17 MB/sec execute 66 sec latency 88.807 ms 19:35:35 (1786750535) shut down facet: mds2 facet_host: oleg259-server facet_failover_host: oleg259-server 1 2236 0.17 MB/sec execute 67 sec latency 102.296 ms 1 2259 0.17 MB/sec execute 68 sec latency 826.066 ms 1 2259 0.17 MB/sec execute 69 sec latency 1827.383 ms 1 2259 0.16 MB/sec execute 70 sec latency 2827.643 ms 1 2259 0.16 MB/sec execute 71 sec latency 3828.381 ms 1 2259 0.16 MB/sec execute 72 sec latency 4836.419 ms 1 2259 0.16 MB/sec execute 73 sec latency 5836.667 ms 1 2259 0.15 MB/sec execute 74 sec latency 6836.994 ms 1 2259 0.15 MB/sec execute 75 sec latency 7837.338 ms 1 2259 0.15 MB/sec execute 76 sec latency 8839.619 ms Failover mds2 to oleg259-server 1 2259 0.15 MB/sec execute 77 sec latency 9839.775 ms mount facets: mds2 1 2259 0.15 MB/sec execute 78 sec latency 10840.128 ms 1 2259 0.14 MB/sec execute 79 sec latency 11841.234 ms 1 2259 0.14 MB/sec execute 80 sec latency 12841.528 ms 1 2259 0.14 MB/sec execute 81 sec latency 13842.858 ms 1 2259 0.14 MB/sec execute 82 sec latency 14858.353 ms 1 2259 0.14 MB/sec execute 83 sec latency 15858.578 ms 1 2259 0.14 MB/sec execute 84 sec latency 16858.750 ms 1 2259 0.13 MB/sec execute 85 sec latency 17859.271 ms 1 2259 0.13 MB/sec execute 86 sec latency 18863.819 ms 1 2259 0.13 MB/sec execute 87 sec latency 19864.352 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 88 sec latency 20865.344 ms 1 2259 0.13 MB/sec execute 89 sec latency 21871.704 ms 1 2259 0.13 MB/sec execute 90 sec latency 22872.160 ms 1 2259 0.13 MB/sec execute 91 sec latency 23872.401 ms 1 2259 0.12 MB/sec execute 92 sec latency 24873.312 ms 1 2259 0.12 MB/sec execute 93 sec latency 25874.298 ms 1 2259 0.12 MB/sec execute 94 sec latency 26874.824 ms oleg259-server: oleg259-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 95 sec latency 27875.420 ms pdsh@oleg259-client: oleg259-server: ssh exited with exit code 1 1 2259 0.12 MB/sec execute 96 sec latency 28880.868 ms Started lustre-MDT0001 19:36:05 (1786750565) targets are mounted 19:36:05 (1786750565) facet_failover done 1 2337 0.13 MB/sec execute 97 sec latency 28974.439 ms 1 2369 0.13 MB/sec execute 98 sec latency 91.812 ms 1 2395 0.13 MB/sec execute 99 sec latency 301.713 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec oleg259-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 346 134.561 28974.420 Close 301 131.502 36390.998 Rename 14 115.211 301.688 Unlink 34 24.089 50.180 Qpathinfo 321 14.740 109.791 Qfileinfo 84 2.838 11.287 Qfsinfo 40 4.504 26.885 Sfileinfo 44 63.017 174.930 Find 109 11.876 88.638 WriteX 291 14.430 118.067 ReadX 382 2.600 86.583 Flush 33 55.998 128.159 Throughput 0.126949 MB/sec 1 clients 1 procs max_latency=36391.022 ms stopping dbench on /mnt/lustre at Fri Aug 14 19:36:13 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre 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 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Fri Aug 14 19:36:22 EDT 2026 waiting for dbench pid 67906 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 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 32880 3566924 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10228 3596268 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 43108 7163192 1% /mnt/lustre 1 31 1.05 MB/sec warmup 1 sec latency 140.845 ms 1 71 1.57 MB/sec warmup 2 sec latency 155.879 ms 1 114 1.74 MB/sec warmup 3 sec latency 141.073 ms 1 137 1.50 MB/sec warmup 4 sec latency 193.281 ms 1 157 1.31 MB/sec warmup 5 sec latency 223.743 ms 1 182 1.22 MB/sec warmup 6 sec latency 217.397 ms 1 197 1.12 MB/sec warmup 7 sec latency 699.104 ms 1 197 0.98 MB/sec warmup 8 sec latency 1001.768 ms 1 200 0.87 MB/sec warmup 9 sec latency 1824.834 ms 1 231 0.89 MB/sec warmup 10 sec latency 152.647 ms 1 255 0.88 MB/sec warmup 11 sec latency 318.848 ms 1 289 0.89 MB/sec warmup 12 sec latency 119.513 ms test_26 fail mds1 3 times 1 313 0.88 MB/sec warmup 13 sec latency 185.808 ms 1 332 0.86 MB/sec warmup 14 sec latency 219.047 ms 1 357 0.85 MB/sec warmup 15 sec latency 190.460 ms Failing mds1 on oleg259-server 1 381 0.85 MB/sec warmup 16 sec latency 253.450 ms 1 413 0.86 MB/sec warmup 17 sec latency 160.629 ms Stopping /mnt/lustre-mds1 (opts:) on oleg259-server 1 453 0.88 MB/sec warmup 18 sec latency 108.683 ms 1 478 0.88 MB/sec warmup 19 sec latency 168.091 ms 19:36:43 (1786750603) shut down facet: mds1 facet_host: oleg259-server facet_failover_host: oleg259-server 1 501 0.00 MB/sec execute 1 sec latency 1684.874 ms 1 501 0.00 MB/sec execute 2 sec latency 2685.954 ms 1 501 0.00 MB/sec execute 3 sec latency 3686.286 ms 1 501 0.00 MB/sec execute 4 sec latency 4687.890 ms 1 501 0.00 MB/sec execute 5 sec latency 5694.937 ms 1 501 0.00 MB/sec execute 6 sec latency 6698.996 ms 1 501 0.00 MB/sec execute 7 sec latency 7699.202 ms 1 501 0.00 MB/sec execute 8 sec latency 8699.587 ms 1 501 0.00 MB/sec execute 9 sec latency 9699.863 ms 1 501 0.00 MB/sec execute 10 sec latency 10701.045 ms 1 501 0.00 MB/sec execute 11 sec latency 11702.414 ms Failover mds1 to oleg259-server mount facets: mds1 1 501 0.00 MB/sec execute 12 sec latency 12702.881 ms 1 501 0.00 MB/sec execute 13 sec latency 13703.129 ms 1 501 0.00 MB/sec execute 14 sec latency 14704.789 ms 1 501 0.00 MB/sec execute 15 sec latency 15705.011 ms 1 501 0.00 MB/sec execute 16 sec latency 16716.836 ms 1 501 0.00 MB/sec execute 17 sec latency 17717.275 ms 1 501 0.00 MB/sec execute 18 sec latency 18717.540 ms 1 501 0.00 MB/sec execute 19 sec latency 19717.854 ms 1 501 0.00 MB/sec execute 20 sec latency 20719.378 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 21 sec latency 21719.700 ms 1 501 0.00 MB/sec execute 22 sec latency 22719.952 ms 1 501 0.00 MB/sec execute 23 sec latency 23720.561 ms 1 501 0.00 MB/sec execute 24 sec latency 24721.412 ms 1 501 0.00 MB/sec execute 25 sec latency 25723.907 ms 1 501 0.00 MB/sec execute 26 sec latency 26724.214 ms 1 501 0.00 MB/sec execute 27 sec latency 27724.732 ms 1 501 0.00 MB/sec execute 28 sec latency 28724.885 ms 1 501 0.00 MB/sec execute 29 sec latency 29733.190 ms 1 501 0.00 MB/sec execute 30 sec latency 30733.548 ms 1 501 0.00 MB/sec execute 31 sec latency 31734.328 ms 1 501 0.00 MB/sec execute 32 sec latency 32736.335 ms oleg259-server: oleg259-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 33 sec latency 33736.629 ms pdsh@oleg259-client: oleg259-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 34 sec latency 34738.292 ms Started lustre-MDT0000 19:37:17 (1786750637) targets are mounted 19:37:17 (1786750637) facet_failover done 1 507 0.00 MB/sec execute 35 sec latency 35593.964 ms 1 552 0.05 MB/sec execute 36 sec latency 251.578 ms 1 603 0.09 MB/sec execute 37 sec latency 655.849 ms 1 655 0.09 MB/sec execute 38 sec latency 125.298 ms 1 692 0.10 MB/sec execute 39 sec latency 123.246 ms 1 711 0.09 MB/sec execute 40 sec latency 187.172 ms 1 736 0.09 MB/sec execute 41 sec latency 126.470 ms 1 776 0.09 MB/sec execute 42 sec latency 134.389 ms oleg259-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 796 0.09 MB/sec execute 43 sec latency 182.200 ms 1 821 0.09 MB/sec execute 44 sec latency 129.263 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 867 0.09 MB/sec execute 45 sec latency 165.233 ms 1 890 0.09 MB/sec execute 46 sec latency 177.155 ms 1 919 0.09 MB/sec execute 47 sec latency 98.507 ms 1 965 0.09 MB/sec execute 48 sec latency 92.744 ms 1 988 0.09 MB/sec execute 49 sec latency 119.735 ms 1 1056 0.11 MB/sec execute 50 sec latency 94.721 ms 1 1116 0.11 MB/sec execute 51 sec latency 101.094 ms 1 1145 0.11 MB/sec execute 52 sec latency 104.761 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1172 0.10 MB/sec execute 53 sec latency 353.635 ms 1 1173 0.10 MB/sec execute 54 sec latency 1349.341 ms 1 1216 0.10 MB/sec execute 55 sec latency 106.599 ms 1 1255 0.10 MB/sec execute 56 sec latency 86.351 ms 1 1399 0.15 MB/sec execute 57 sec latency 115.030 ms 1 1453 0.15 MB/sec execute 58 sec latency 65.526 ms 1 1505 0.15 MB/sec execute 59 sec latency 124.624 ms 1 1551 0.14 MB/sec execute 60 sec latency 139.605 ms 1 1619 0.14 MB/sec execute 61 sec latency 82.025 ms 1 1656 0.14 MB/sec execute 62 sec latency 139.861 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 19:37:45 EDT 2026 with return code 0 1 1687 0.14 MB/sec execute 63 sec latency 212.906 ms 67906 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67906 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished