== replay-dual test 26: dbench and tar with mds failover ========================================================== 17:25:47 (1787865947) Starting client oleg649-client.virtnet: -o user_xattr,flock 192.168.206.149@tcp:/lustre /mnt/lustre Started clients oleg649-client.virtnet: 192.168.206.149@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 45136 Started dbench loop with 45137 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 14336 3745792 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7511040 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 Aug 27 17:25:54 EDT 2026 waiting for dbench pid 45206 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 24 0.66 MB/sec warmup 1 sec latency 183.567 ms 1 70 1.57 MB/sec warmup 2 sec latency 169.960 ms 1 113 1.74 MB/sec warmup 3 sec latency 147.182 ms 1 155 1.63 MB/sec warmup 4 sec latency 126.557 ms 1 189 1.51 MB/sec warmup 5 sec latency 140.949 ms test_26 fail mds1 1 times 1 213 1.38 MB/sec warmup 6 sec latency 210.701 ms 1 240 1.30 MB/sec warmup 7 sec latency 156.519 ms Failing mds1 on oleg649-server 1 279 1.30 MB/sec warmup 8 sec latency 135.623 ms Stopping /mnt/lustre-mds1 (opts:) on oleg649-server 1 313 1.27 MB/sec warmup 9 sec latency 116.224 ms 1 330 1.20 MB/sec warmup 10 sec latency 173.666 ms 1 330 1.09 MB/sec warmup 11 sec latency 1173.916 ms 1 330 1.00 MB/sec warmup 12 sec latency 2175.700 ms 1 330 0.92 MB/sec warmup 13 sec latency 3176.951 ms 17:26:08 (1787865968) shut down facet: mds1 facet_host: oleg649-server facet_failover_host: oleg649-server 1 330 0.86 MB/sec warmup 14 sec latency 4178.550 ms 1 330 0.80 MB/sec warmup 15 sec latency 5178.804 ms 1 330 0.75 MB/sec warmup 16 sec latency 6179.097 ms 1 330 0.70 MB/sec warmup 17 sec latency 7179.302 ms 1 330 0.67 MB/sec warmup 18 sec latency 8179.460 ms 1 330 0.63 MB/sec warmup 19 sec latency 9179.880 ms 1 330 0.00 MB/sec execute 1 sec latency 11180.661 ms 1 330 0.00 MB/sec execute 2 sec latency 12180.885 ms 1 330 0.00 MB/sec execute 3 sec latency 13183.038 ms Failover mds1 to oleg649-server mount facets: mds1 1 330 0.00 MB/sec execute 4 sec latency 14183.220 ms 1 330 0.00 MB/sec execute 5 sec latency 15183.465 ms 1 330 0.00 MB/sec execute 6 sec latency 16183.780 ms 1 330 0.00 MB/sec execute 7 sec latency 17188.403 ms 1 330 0.00 MB/sec execute 8 sec latency 18192.391 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 330 0.00 MB/sec execute 9 sec latency 19192.731 ms 1 330 0.00 MB/sec execute 10 sec latency 20192.938 ms 1 330 0.00 MB/sec execute 11 sec latency 21193.141 ms 1 330 0.00 MB/sec execute 12 sec latency 22193.462 ms 1 330 0.00 MB/sec execute 13 sec latency 23194.668 ms 1 330 0.00 MB/sec execute 14 sec latency 24194.949 ms 1 330 0.00 MB/sec execute 15 sec latency 25195.255 ms 1 330 0.00 MB/sec execute 16 sec latency 26198.463 ms oleg649-server: oleg649-server.virtnet: executing set_default_debug -1 all 1 330 0.00 MB/sec execute 17 sec latency 27198.792 ms 1 330 0.00 MB/sec execute 18 sec latency 28199.880 ms pdsh@oleg649-client: oleg649-server: ssh exited with exit code 1 1 330 0.00 MB/sec execute 19 sec latency 29200.165 ms Started lustre-MDT0000 17:26:34 (1787865994) targets are mounted 17:26:34 (1787865994) facet_failover done 1 330 0.00 MB/sec execute 20 sec latency 30202.126 ms 1 330 0.00 MB/sec execute 21 sec latency 31202.642 ms 1 330 0.00 MB/sec execute 22 sec latency 32202.842 ms 1 330 0.00 MB/sec execute 23 sec latency 33203.060 ms 1 330 0.00 MB/sec execute 24 sec latency 34203.716 ms 1 330 0.00 MB/sec execute 25 sec latency 35204.122 ms 1 330 0.00 MB/sec execute 26 sec latency 36207.740 ms 1 330 0.00 MB/sec execute 27 sec latency 37207.943 ms 1 330 0.00 MB/sec execute 28 sec latency 38212.783 ms 1 330 0.00 MB/sec execute 29 sec latency 39215.071 ms 1 330 0.00 MB/sec execute 30 sec latency 40215.736 ms 1 330 0.00 MB/sec execute 31 sec latency 41216.136 ms 1 330 0.00 MB/sec execute 32 sec latency 42216.397 ms 1 337 0.01 MB/sec execute 33 sec latency 42693.463 ms 1 363 0.03 MB/sec execute 34 sec latency 177.816 ms 1 389 0.05 MB/sec execute 35 sec latency 200.075 ms 1 426 0.08 MB/sec execute 36 sec latency 118.254 ms 1 457 0.11 MB/sec execute 37 sec latency 127.169 ms 1 485 0.13 MB/sec execute 38 sec latency 199.284 ms 1 505 0.14 MB/sec execute 39 sec latency 209.132 ms oleg649-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 525 0.15 MB/sec execute 40 sec latency 230.221 ms 1 595 0.21 MB/sec execute 41 sec latency 224.849 ms 1 639 0.22 MB/sec execute 42 sec latency 158.522 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 669 0.21 MB/sec execute 43 sec latency 135.316 ms 1 689 0.21 MB/sec execute 44 sec latency 204.693 ms 1 711 0.20 MB/sec execute 45 sec latency 159.107 ms 1 726 0.20 MB/sec execute 46 sec latency 443.661 ms 1 738 0.20 MB/sec execute 47 sec latency 214.084 ms 1 769 0.19 MB/sec execute 48 sec latency 199.796 ms 1 798 0.19 MB/sec execute 49 sec latency 193.854 ms 1 819 0.19 MB/sec execute 50 sec latency 182.497 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3689472 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 11264 3726336 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7415808 1% /mnt/lustre 1 863 0.19 MB/sec execute 51 sec latency 133.066 ms 1 878 0.19 MB/sec execute 52 sec latency 337.230 ms 1 900 0.18 MB/sec execute 53 sec latency 150.941 ms 1 916 0.18 MB/sec execute 54 sec latency 280.163 ms 1 940 0.18 MB/sec execute 55 sec latency 163.310 ms 1 971 0.17 MB/sec execute 56 sec latency 145.618 ms 1 990 0.17 MB/sec execute 57 sec latency 325.148 ms test_26 fail mds1 2 times 1 1051 0.19 MB/sec execute 58 sec latency 84.654 ms 1 1091 0.18 MB/sec execute 59 sec latency 136.841 ms Failing mds1 on oleg649-server 1 1136 0.18 MB/sec execute 60 sec latency 88.174 ms Stopping /mnt/lustre-mds1 (opts:) on oleg649-server 1 1176 0.18 MB/sec execute 61 sec latency 104.863 ms 1 1202 0.18 MB/sec execute 62 sec latency 148.661 ms 1 1202 0.17 MB/sec execute 63 sec latency 1082.594 ms 1 1202 0.17 MB/sec execute 64 sec latency 2082.883 ms 17:27:19 (1787866039) shut down facet: mds1 facet_host: oleg649-server facet_failover_host: oleg649-server 1 1202 0.17 MB/sec execute 65 sec latency 3083.142 ms 1 1202 0.17 MB/sec execute 66 sec latency 4085.341 ms 1 1202 0.16 MB/sec execute 67 sec latency 5086.202 ms 1 1202 0.16 MB/sec execute 68 sec latency 6086.571 ms 1 1202 0.16 MB/sec execute 69 sec latency 7087.797 ms 1 1202 0.16 MB/sec execute 70 sec latency 8088.163 ms 1 1202 0.16 MB/sec execute 71 sec latency 9088.580 ms 1 1202 0.15 MB/sec execute 72 sec latency 10089.624 ms 1 1202 0.15 MB/sec execute 73 sec latency 11090.861 ms 1 1202 0.15 MB/sec execute 74 sec latency 12091.061 ms Failover mds1 to oleg649-server 1 1202 0.15 MB/sec execute 75 sec latency 13092.061 ms mount facets: mds1 1 1202 0.15 MB/sec execute 76 sec latency 14092.230 ms 1 1202 0.14 MB/sec execute 77 sec latency 15092.900 ms 1 1202 0.14 MB/sec execute 78 sec latency 16093.269 ms 1 1202 0.14 MB/sec execute 79 sec latency 17093.907 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1202 0.14 MB/sec execute 80 sec latency 18094.153 ms 1 1202 0.14 MB/sec execute 81 sec latency 19094.340 ms 1 1202 0.13 MB/sec execute 82 sec latency 20097.088 ms 1 1202 0.13 MB/sec execute 83 sec latency 21101.790 ms 1 1202 0.13 MB/sec execute 84 sec latency 22102.253 ms 1 1202 0.13 MB/sec execute 85 sec latency 23102.471 ms 1 1202 0.13 MB/sec execute 86 sec latency 24102.725 ms oleg649-server: oleg649-server.virtnet: executing set_default_debug -1 all 1 1202 0.13 MB/sec execute 87 sec latency 25103.046 ms pdsh@oleg649-client: oleg649-server: ssh exited with exit code 1 1 1202 0.13 MB/sec execute 88 sec latency 26103.580 ms Started lustre-MDT0000 17:27:43 (1787866063) targets are mounted 17:27:43 (1787866063) facet_failover done 1 1202 0.12 MB/sec execute 89 sec latency 27103.885 ms 1 1202 0.12 MB/sec execute 90 sec latency 28104.104 ms 1 1202 0.12 MB/sec execute 91 sec latency 29104.383 ms 1 1202 0.12 MB/sec execute 92 sec latency 30104.560 ms 1 1202 0.12 MB/sec execute 93 sec latency 31104.767 ms 1 1202 0.12 MB/sec execute 94 sec latency 32105.799 ms 1 1202 0.12 MB/sec execute 95 sec latency 33106.484 ms 1 1202 0.11 MB/sec execute 96 sec latency 34106.815 ms 1 1202 0.11 MB/sec execute 97 sec latency 35107.899 ms 1 1202 0.11 MB/sec execute 98 sec latency 36113.126 ms 1 1202 0.11 MB/sec execute 99 sec latency 37113.319 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 1 cleanup 106 sec 1 cleanup 107 sec 0 cleanup 107 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 124 433.091 41592.746 Close 114 391.397 42693.414 Rename 8 112.302 159.076 Unlink 13 37.578 73.172 Qpathinfo 73 27.831 92.354 Qfileinfo 52 2.908 11.458 Qfsinfo 28 4.774 32.188 Sfileinfo 27 76.338 158.389 Find 36 11.404 90.443 WriteX 251 17.812 88.337 ReadX 123 5.723 97.345 Flush 24 169.779 443.639 Throughput 0.111389 MB/sec 1 clients 1 procs max_latency=42693.463 ms stopping dbench on /mnt/lustre at Thu Aug 27 17:28:02 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg649-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 Thu Aug 27 17:28:09 EDT 2026 waiting for dbench pid 47163 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 32 1.05 MB/sec warmup 1 sec latency 98.001 ms 1 103 2.39 MB/sec warmup 2 sec latency 142.747 ms 1 137 2.01 MB/sec warmup 3 sec latency 157.381 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3721216 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 10240 3741696 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 48128 7462912 1% /mnt/lustre 1 172 1.76 MB/sec warmup 4 sec latency 150.379 ms 1 199 1.57 MB/sec warmup 5 sec latency 248.006 ms 1 237 1.51 MB/sec warmup 6 sec latency 147.203 ms 1 269 1.44 MB/sec warmup 7 sec latency 132.170 ms 1 298 1.37 MB/sec warmup 8 sec latency 168.623 ms 1 341 1.36 MB/sec warmup 9 sec latency 118.448 ms test_26 fail mds1 3 times 1 385 1.36 MB/sec warmup 10 sec latency 141.591 ms 1 437 1.40 MB/sec warmup 11 sec latency 98.681 ms Failing mds1 on oleg649-server 1 477 1.39 MB/sec warmup 12 sec latency 129.338 ms Stopping /mnt/lustre-mds1 (opts:) on oleg649-server 1 511 1.36 MB/sec warmup 13 sec latency 162.559 ms 1 541 1.36 MB/sec warmup 14 sec latency 310.507 ms 1 541 1.27 MB/sec warmup 15 sec latency 1311.547 ms 1 541 1.19 MB/sec warmup 16 sec latency 2311.808 ms 17:28:25 (1787866105) shut down facet: mds1 facet_host: oleg649-server facet_failover_host: oleg649-server 1 541 1.12 MB/sec warmup 17 sec latency 3312.206 ms 1 541 1.06 MB/sec warmup 18 sec latency 4313.732 ms 1 541 1.00 MB/sec warmup 19 sec latency 5314.024 ms 1 541 0.00 MB/sec execute 1 sec latency 7314.446 ms 1 541 0.00 MB/sec execute 2 sec latency 8315.420 ms 1 541 0.00 MB/sec execute 3 sec latency 9315.720 ms 1 541 0.00 MB/sec execute 4 sec latency 10315.982 ms 1 541 0.00 MB/sec execute 5 sec latency 11316.199 ms 1 541 0.00 MB/sec execute 6 sec latency 12316.552 ms Failover mds1 to oleg649-server 1 541 0.00 MB/sec execute 7 sec latency 13339.541 ms mount facets: mds1 1 541 0.00 MB/sec execute 8 sec latency 14343.280 ms 1 541 0.00 MB/sec execute 9 sec latency 15344.447 ms 1 541 0.00 MB/sec execute 10 sec latency 16344.636 ms 1 541 0.00 MB/sec execute 11 sec latency 17348.405 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 541 0.00 MB/sec execute 12 sec latency 18348.544 ms 1 541 0.00 MB/sec execute 13 sec latency 19348.804 ms 1 541 0.00 MB/sec execute 14 sec latency 20349.077 ms 1 541 0.00 MB/sec execute 15 sec latency 21349.639 ms 1 541 0.00 MB/sec execute 16 sec latency 22350.007 ms 1 541 0.00 MB/sec execute 17 sec latency 23353.087 ms 1 541 0.00 MB/sec execute 18 sec latency 24353.333 ms 1 541 0.00 MB/sec execute 19 sec latency 25354.979 ms oleg649-server: oleg649-server.virtnet: executing set_default_debug -1 all 1 541 0.00 MB/sec execute 20 sec latency 26355.739 ms pdsh@oleg649-client: oleg649-server: ssh exited with exit code 1 1 541 0.00 MB/sec execute 21 sec latency 27356.213 ms Started lustre-MDT0000 17:28:50 (1787866130) targets are mounted 17:28:51 (1787866131) facet_failover done 1 541 0.00 MB/sec execute 22 sec latency 28359.956 ms 1 541 0.00 MB/sec execute 23 sec latency 29365.305 ms 1 541 0.00 MB/sec execute 24 sec latency 30365.664 ms 1 541 0.00 MB/sec execute 25 sec latency 31367.219 ms 1 541 0.00 MB/sec execute 26 sec latency 32367.427 ms 1 541 0.00 MB/sec execute 27 sec latency 33367.631 ms 1 541 0.00 MB/sec execute 28 sec latency 34367.820 ms 1 541 0.00 MB/sec execute 29 sec latency 35368.079 ms 1 541 0.00 MB/sec execute 30 sec latency 36368.410 ms 1 541 0.00 MB/sec execute 31 sec latency 37368.700 ms 1 541 0.00 MB/sec execute 32 sec latency 38368.988 ms 1 541 0.00 MB/sec execute 33 sec latency 39369.276 ms 1 541 0.00 MB/sec execute 34 sec latency 40369.456 ms 1 552 0.00 MB/sec execute 35 sec latency 40968.533 ms 1 640 0.05 MB/sec execute 36 sec latency 114.462 ms 1 669 0.06 MB/sec execute 37 sec latency 291.633 ms 1 699 0.06 MB/sec execute 38 sec latency 127.315 ms 1 726 0.06 MB/sec execute 39 sec latency 204.065 ms oleg649-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 745 0.06 MB/sec execute 40 sec latency 124.487 ms 1 781 0.06 MB/sec execute 41 sec latency 135.005 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 801 0.06 MB/sec execute 42 sec latency 341.469 ms 1 848 0.06 MB/sec execute 43 sec latency 119.104 ms 1 873 0.06 MB/sec execute 44 sec latency 232.112 ms 1 903 0.06 MB/sec execute 45 sec latency 241.966 ms 1 921 0.06 MB/sec execute 46 sec latency 337.431 ms 1 959 0.06 MB/sec execute 47 sec latency 143.887 ms 1 981 0.06 MB/sec execute 48 sec latency 309.787 ms 1 1021 0.07 MB/sec execute 49 sec latency 143.813 ms 1 1082 0.08 MB/sec execute 50 sec latency 87.511 ms 1 1136 0.08 MB/sec execute 51 sec latency 95.916 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1177 0.08 MB/sec execute 52 sec latency 120.070 ms 1 1221 0.07 MB/sec execute 53 sec latency 125.169 ms 1 1259 0.07 MB/sec execute 54 sec latency 158.638 ms 1 1384 0.13 MB/sec execute 55 sec latency 108.452 ms 1 1426 0.12 MB/sec execute 56 sec latency 71.595 ms 1 1481 0.12 MB/sec execute 57 sec latency 94.803 ms 1 1514 0.12 MB/sec execute 58 sec latency 300.523 ms 1 1570 0.12 MB/sec execute 59 sec latency 74.433 ms 1 1615 0.12 MB/sec execute 60 sec latency 90.220 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 17:29:30 EDT 2026 with return code 0 1 1653 0.12 MB/sec execute 61 sec latency 187.098 ms 47163 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47163 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished