== replay-dual test 26: dbench and tar with mds failover ========================================================== 01:32:24 (1789450344) Starting client oleg237-client.virtnet: -o user_xattr,flock 192.168.202.137@tcp:/lustre /mnt/lustre Started clients oleg237-client.virtnet: 192.168.202.137@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 45170 Started dbench loop with 45171 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 14336 3737600 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7499776 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 15 01:32:31 EDT 2026 waiting for dbench pid 45242 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 1 26 0.79 MB/sec warmup 1 sec latency 19.615 ms 1 71 1.57 MB/sec warmup 2 sec latency 112.816 ms 1 118 1.79 MB/sec warmup 3 sec latency 200.159 ms 1 147 1.57 MB/sec warmup 4 sec latency 156.683 ms test_26 fail mds1 1 times 1 173 1.41 MB/sec warmup 5 sec latency 193.034 ms 1 197 1.30 MB/sec warmup 6 sec latency 212.798 ms 1 216 1.19 MB/sec warmup 7 sec latency 194.913 ms Failing mds1 on oleg237-server 1 247 1.17 MB/sec warmup 8 sec latency 148.794 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 279 1.16 MB/sec warmup 9 sec latency 177.515 ms 1 296 1.09 MB/sec warmup 10 sec latency 246.274 ms 1 296 0.99 MB/sec warmup 11 sec latency 1246.625 ms 1 296 0.91 MB/sec warmup 12 sec latency 2247.027 ms 01:32:44 (1789450364) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 296 0.84 MB/sec warmup 13 sec latency 3247.267 ms 1 296 0.78 MB/sec warmup 14 sec latency 4248.048 ms 1 296 0.73 MB/sec warmup 15 sec latency 5248.313 ms 1 296 0.68 MB/sec warmup 16 sec latency 6250.965 ms 1 296 0.64 MB/sec warmup 17 sec latency 7254.822 ms 1 296 0.61 MB/sec warmup 18 sec latency 8255.406 ms 1 296 0.58 MB/sec warmup 19 sec latency 9256.244 ms 1 296 0.00 MB/sec execute 1 sec latency 11259.602 ms 1 296 0.00 MB/sec execute 2 sec latency 12261.360 ms 1 296 0.00 MB/sec execute 3 sec latency 13261.841 ms Failover mds1 to oleg237-server mount facets: mds1 1 296 0.00 MB/sec execute 4 sec latency 14264.063 ms 1 296 0.00 MB/sec execute 5 sec latency 15264.413 ms 1 296 0.00 MB/sec execute 6 sec latency 16265.029 ms 1 296 0.00 MB/sec execute 7 sec latency 17265.325 ms 1 296 0.00 MB/sec execute 8 sec latency 18267.316 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 296 0.00 MB/sec execute 9 sec latency 19269.042 ms 1 296 0.00 MB/sec execute 10 sec latency 20269.252 ms 1 296 0.00 MB/sec execute 11 sec latency 21269.556 ms 1 296 0.00 MB/sec execute 12 sec latency 22273.450 ms 1 296 0.00 MB/sec execute 13 sec latency 23273.699 ms 1 296 0.00 MB/sec execute 14 sec latency 24274.081 ms 1 296 0.00 MB/sec execute 15 sec latency 25274.979 ms 1 296 0.00 MB/sec execute 16 sec latency 26275.314 ms 1 296 0.00 MB/sec execute 17 sec latency 27277.108 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 296 0.00 MB/sec execute 18 sec latency 28277.914 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 296 0.00 MB/sec execute 19 sec latency 29278.496 ms Started lustre-MDT0000 01:33:11 (1789450391) targets are mounted 01:33:11 (1789450391) facet_failover done 1 296 0.00 MB/sec execute 20 sec latency 30278.786 ms 1 296 0.00 MB/sec execute 21 sec latency 31283.025 ms 1 296 0.00 MB/sec execute 22 sec latency 32284.117 ms 1 296 0.00 MB/sec execute 23 sec latency 33284.615 ms 1 296 0.00 MB/sec execute 24 sec latency 34285.305 ms 1 296 0.00 MB/sec execute 25 sec latency 35285.573 ms 1 296 0.00 MB/sec execute 26 sec latency 36285.849 ms 1 296 0.00 MB/sec execute 27 sec latency 37286.041 ms 1 296 0.00 MB/sec execute 28 sec latency 38291.409 ms 1 298 0.00 MB/sec execute 29 sec latency 38841.332 ms 1 326 0.03 MB/sec execute 30 sec latency 200.258 ms 1 354 0.05 MB/sec execute 31 sec latency 177.842 ms 1 382 0.08 MB/sec execute 32 sec latency 193.574 ms 1 413 0.11 MB/sec execute 33 sec latency 181.716 ms 1 438 0.13 MB/sec execute 34 sec latency 167.604 ms 1 477 0.16 MB/sec execute 35 sec latency 117.642 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 506 0.18 MB/sec execute 36 sec latency 171.121 ms 1 534 0.21 MB/sec execute 37 sec latency 160.559 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 599 0.26 MB/sec execute 38 sec latency 172.370 ms 1 639 0.26 MB/sec execute 39 sec latency 168.517 ms 1 664 0.25 MB/sec execute 40 sec latency 154.324 ms 1 678 0.25 MB/sec execute 41 sec latency 375.143 ms 1 705 0.24 MB/sec execute 42 sec latency 181.467 ms 1 721 0.24 MB/sec execute 43 sec latency 197.328 ms 1 740 0.23 MB/sec execute 44 sec latency 428.619 ms 1 786 0.23 MB/sec execute 45 sec latency 90.872 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3734528 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 35840 3650560 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7385088 1% /mnt/lustre 1 799 0.23 MB/sec execute 46 sec latency 282.092 ms 1 820 0.22 MB/sec execute 47 sec latency 177.090 ms 1 865 0.22 MB/sec execute 48 sec latency 126.120 ms 1 882 0.22 MB/sec execute 49 sec latency 312.216 ms 1 913 0.22 MB/sec execute 50 sec latency 140.210 ms 1 940 0.21 MB/sec execute 51 sec latency 206.161 ms 1 981 0.21 MB/sec execute 52 sec latency 192.603 ms test_26 fail mds1 2 times 1 1000 0.21 MB/sec execute 53 sec latency 185.593 ms 1 1050 0.22 MB/sec execute 54 sec latency 153.787 ms 1 1076 0.22 MB/sec execute 55 sec latency 144.640 ms Failing mds1 on oleg237-server 1 1118 0.21 MB/sec execute 56 sec latency 172.690 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 1147 0.21 MB/sec execute 57 sec latency 123.988 ms 1 1167 0.21 MB/sec execute 58 sec latency 239.347 ms 1 1167 0.20 MB/sec execute 59 sec latency 1240.361 ms 1 1167 0.20 MB/sec execute 60 sec latency 2241.847 ms 1 1167 0.20 MB/sec execute 61 sec latency 3243.411 ms 01:33:53 (1789450433) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 1167 0.19 MB/sec execute 62 sec latency 4243.593 ms 1 1167 0.19 MB/sec execute 63 sec latency 5244.006 ms 1 1167 0.19 MB/sec execute 64 sec latency 6246.102 ms 1 1167 0.19 MB/sec execute 65 sec latency 7246.556 ms 1 1167 0.18 MB/sec execute 66 sec latency 8248.550 ms 1 1167 0.18 MB/sec execute 67 sec latency 9251.794 ms 1 1167 0.18 MB/sec execute 68 sec latency 10253.273 ms 1 1167 0.17 MB/sec execute 69 sec latency 11253.540 ms 1 1167 0.17 MB/sec execute 70 sec latency 12253.869 ms 1 1167 0.17 MB/sec execute 71 sec latency 13254.559 ms 1 1167 0.17 MB/sec execute 72 sec latency 14255.084 ms Failover mds1 to oleg237-server mount facets: mds1 1 1167 0.16 MB/sec execute 73 sec latency 15255.417 ms 1 1167 0.16 MB/sec execute 74 sec latency 16256.070 ms 1 1167 0.16 MB/sec execute 75 sec latency 17256.517 ms 1 1167 0.16 MB/sec execute 76 sec latency 18256.818 ms 1 1167 0.16 MB/sec execute 77 sec latency 19258.389 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1167 0.15 MB/sec execute 78 sec latency 20258.575 ms 1 1167 0.15 MB/sec execute 79 sec latency 21258.910 ms 1 1167 0.15 MB/sec execute 80 sec latency 22260.153 ms 1 1167 0.15 MB/sec execute 81 sec latency 23262.133 ms 1 1167 0.15 MB/sec execute 82 sec latency 24262.466 ms 1 1167 0.14 MB/sec execute 83 sec latency 25266.841 ms 1 1167 0.14 MB/sec execute 84 sec latency 26268.619 ms 1 1167 0.14 MB/sec execute 85 sec latency 27268.840 ms 1 1167 0.14 MB/sec execute 86 sec latency 28269.037 ms 1 1167 0.14 MB/sec execute 87 sec latency 29269.242 ms 1 1167 0.14 MB/sec execute 88 sec latency 30269.436 ms 1 1167 0.14 MB/sec execute 89 sec latency 31269.676 ms 1 1167 0.13 MB/sec execute 90 sec latency 32270.550 ms 1 1167 0.13 MB/sec execute 91 sec latency 33272.330 ms 1 1167 0.13 MB/sec execute 92 sec latency 34273.500 ms 1 1167 0.13 MB/sec execute 93 sec latency 35274.026 ms 1 1167 0.13 MB/sec execute 94 sec latency 36274.418 ms 1 1167 0.13 MB/sec execute 95 sec latency 37276.848 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 1167 0.13 MB/sec execute 96 sec latency 38277.289 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 1167 0.12 MB/sec execute 97 sec latency 39281.186 ms 1 1167 0.12 MB/sec execute 98 sec latency 40281.625 ms Started lustre-MDT0000 01:34:30 (1789450470) targets are mounted 01:34:30 (1789450470) facet_failover done 1 1167 0.12 MB/sec execute 99 sec latency 41287.019 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 1 cleanup 105 sec 0 cleanup 106 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 124 97.708 411.929 Close 115 730.288 43230.499 Rename 7 93.679 197.307 Unlink 12 39.579 104.422 Qpathinfo 63 27.876 110.014 Qfileinfo 55 2.884 20.304 Qfsinfo 27 6.421 37.689 Sfileinfo 25 78.922 172.668 Find 33 11.235 112.738 WriteX 268 18.572 112.226 ReadX 119 5.945 102.137 Flush 24 163.895 428.589 Throughput 0.121535 MB/sec 1 clients 1 procs max_latency=41287.019 ms stopping dbench on /mnt/lustre at Tue Sep 15 01:34:38 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0000-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 15 01:34:46 EDT 2026 waiting for dbench pid 47193 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 27 0.84 MB/sec warmup 1 sec latency 21.561 ms 1 63 1.34 MB/sec warmup 2 sec latency 175.283 ms 1 100 1.52 MB/sec warmup 3 sec latency 226.976 ms 1 122 1.37 MB/sec warmup 4 sec latency 332.782 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 7168 3746816 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 39936 3710976 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 47104 7457792 1% /mnt/lustre 1 148 1.25 MB/sec warmup 5 sec latency 185.417 ms 1 184 1.23 MB/sec warmup 6 sec latency 147.371 ms 1 223 1.23 MB/sec warmup 7 sec latency 132.764 ms 1 256 1.20 MB/sec warmup 8 sec latency 168.031 ms 1 305 1.24 MB/sec warmup 9 sec latency 147.571 ms test_26 fail mds1 3 times 1 332 1.20 MB/sec warmup 10 sec latency 192.218 ms 1 363 1.18 MB/sec warmup 11 sec latency 209.972 ms 1 387 1.14 MB/sec warmup 12 sec latency 273.503 ms Failing mds1 on oleg237-server 1 406 1.10 MB/sec warmup 13 sec latency 190.178 ms 1 442 1.11 MB/sec warmup 14 sec latency 139.774 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 469 1.09 MB/sec warmup 15 sec latency 210.667 ms 1 493 1.07 MB/sec warmup 16 sec latency 191.940 ms 1 493 1.01 MB/sec warmup 17 sec latency 1025.933 ms 1 493 0.95 MB/sec warmup 18 sec latency 2026.112 ms 1 493 0.90 MB/sec warmup 19 sec latency 3026.464 ms 01:35:06 (1789450506) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 493 0.00 MB/sec execute 1 sec latency 5027.803 ms 1 493 0.00 MB/sec execute 2 sec latency 6029.820 ms 1 493 0.00 MB/sec execute 3 sec latency 7031.301 ms 1 493 0.00 MB/sec execute 4 sec latency 8031.574 ms 1 493 0.00 MB/sec execute 5 sec latency 9032.126 ms 1 493 0.00 MB/sec execute 6 sec latency 10033.205 ms 1 493 0.00 MB/sec execute 7 sec latency 11033.581 ms 1 493 0.00 MB/sec execute 8 sec latency 12033.831 ms 1 493 0.00 MB/sec execute 9 sec latency 13035.009 ms Failover mds1 to oleg237-server 1 493 0.00 MB/sec execute 10 sec latency 14041.507 ms mount facets: mds1 1 493 0.00 MB/sec execute 11 sec latency 15046.920 ms 1 493 0.00 MB/sec execute 12 sec latency 16047.208 ms 1 493 0.00 MB/sec execute 13 sec latency 17047.916 ms 1 493 0.00 MB/sec execute 14 sec latency 18048.093 ms 1 493 0.00 MB/sec execute 15 sec latency 19048.349 ms 1 493 0.00 MB/sec execute 16 sec latency 20049.386 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 493 0.00 MB/sec execute 17 sec latency 21050.068 ms 1 493 0.00 MB/sec execute 18 sec latency 22050.923 ms 1 493 0.00 MB/sec execute 19 sec latency 23051.097 ms 1 493 0.00 MB/sec execute 20 sec latency 24051.379 ms 1 493 0.00 MB/sec execute 21 sec latency 25051.653 ms 1 493 0.00 MB/sec execute 22 sec latency 26051.942 ms 1 493 0.00 MB/sec execute 23 sec latency 27052.249 ms 1 493 0.00 MB/sec execute 24 sec latency 28052.647 ms 1 493 0.00 MB/sec execute 25 sec latency 29052.914 ms 1 493 0.00 MB/sec execute 26 sec latency 30054.983 ms 1 493 0.00 MB/sec execute 27 sec latency 31056.361 ms 1 493 0.00 MB/sec execute 28 sec latency 32057.189 ms 1 493 0.00 MB/sec execute 29 sec latency 33057.477 ms 1 493 0.00 MB/sec execute 30 sec latency 34058.071 ms 1 493 0.00 MB/sec execute 31 sec latency 35058.680 ms 1 493 0.00 MB/sec execute 32 sec latency 36058.940 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 493 0.00 MB/sec execute 33 sec latency 37059.257 ms 1 493 0.00 MB/sec execute 34 sec latency 38060.709 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 493 0.00 MB/sec execute 35 sec latency 39060.987 ms Started lustre-MDT0000 01:35:42 (1789450542) targets are mounted 01:35:42 (1789450542) facet_failover done 1 493 0.00 MB/sec execute 36 sec latency 40061.536 ms 1 494 0.00 MB/sec execute 37 sec latency 41060.288 ms 1 514 0.01 MB/sec execute 38 sec latency 199.688 ms 1 582 0.07 MB/sec execute 39 sec latency 181.644 ms 1 640 0.10 MB/sec execute 40 sec latency 144.059 ms 1 669 0.10 MB/sec execute 41 sec latency 191.338 ms 1 699 0.10 MB/sec execute 42 sec latency 163.293 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 730 0.10 MB/sec execute 43 sec latency 168.489 ms 1 762 0.09 MB/sec execute 44 sec latency 145.068 ms 1 779 0.09 MB/sec execute 45 sec latency 197.002 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 794 0.09 MB/sec execute 46 sec latency 381.090 ms 1 808 0.09 MB/sec execute 47 sec latency 163.436 ms 1 860 0.09 MB/sec execute 48 sec latency 121.829 ms 1 874 0.09 MB/sec execute 49 sec latency 533.898 ms 1 890 0.09 MB/sec execute 50 sec latency 266.329 ms 1 913 0.09 MB/sec execute 51 sec latency 196.211 ms 1 927 0.09 MB/sec execute 52 sec latency 400.107 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 957 0.09 MB/sec execute 53 sec latency 176.760 ms 1 976 0.09 MB/sec execute 54 sec latency 207.784 ms 1 987 0.09 MB/sec execute 55 sec latency 282.578 ms 1 1031 0.10 MB/sec execute 56 sec latency 154.345 ms 1 1064 0.10 MB/sec execute 57 sec latency 136.693 ms 1 1103 0.10 MB/sec execute 58 sec latency 130.130 ms 1 1139 0.10 MB/sec execute 59 sec latency 104.954 ms 1 1164 0.10 MB/sec execute 60 sec latency 200.514 ms 1 1202 0.10 MB/sec execute 61 sec latency 113.517 ms 1 1233 0.09 MB/sec execute 62 sec latency 124.106 ms 1 1275 0.09 MB/sec execute 63 sec latency 95.942 ms 1 1399 0.14 MB/sec execute 64 sec latency 174.974 ms 1 1418 0.14 MB/sec execute 65 sec latency 172.146 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 15 01:36:12 EDT 2026 with return code 0 1 1447 0.13 MB/sec execute 66 sec latency 265.980 ms 47193 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47193 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished