== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:11:52 (1790950312) Starting client oleg126-client.virtnet: -o user_xattr,flock 192.168.201.126@tcp:/lustre /mnt/lustre Started clients oleg126-client.virtnet: 192.168.201.126@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 65662 Started dbench loop with 65663 striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H all_char /mnt/lustre/d26.replay-dual/run_tar 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 1768 1269536 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 5640 3584816 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 7204 7190272 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 Oct 2 10:11:59 EDT 2026 waiting for dbench pid 65742 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 90.402 ms 1 51 1.05 MB/sec warmup 2 sec latency 129.309 ms 1 113 1.75 MB/sec warmup 3 sec latency 142.951 ms 1 140 1.50 MB/sec warmup 4 sec latency 197.176 ms 1 165 1.36 MB/sec warmup 5 sec latency 212.435 ms 1 184 1.23 MB/sec warmup 6 sec latency 280.063 ms 1 218 1.19 MB/sec warmup 7 sec latency 440.800 ms 1 268 1.26 MB/sec warmup 8 sec latency 116.766 ms 1 316 1.28 MB/sec warmup 9 sec latency 120.337 ms test_26 fail mds1 1 times 1 357 1.28 MB/sec warmup 10 sec latency 123.840 ms Failing mds1 on oleg126-server 1 398 1.28 MB/sec warmup 11 sec latency 162.466 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 445 1.30 MB/sec warmup 12 sec latency 103.118 ms 1 485 1.30 MB/sec warmup 13 sec latency 173.428 ms 1 501 1.25 MB/sec warmup 14 sec latency 642.062 ms 1 501 1.16 MB/sec warmup 15 sec latency 1642.287 ms 10:12:14 (1790950334) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 501 1.09 MB/sec warmup 16 sec latency 2642.529 ms 1 501 1.03 MB/sec warmup 17 sec latency 3642.798 ms 1 501 0.97 MB/sec warmup 18 sec latency 4643.168 ms 1 501 0.92 MB/sec warmup 19 sec latency 5643.378 ms 1 501 0.00 MB/sec execute 1 sec latency 7646.219 ms 1 501 0.00 MB/sec execute 2 sec latency 8647.959 ms 1 501 0.00 MB/sec execute 3 sec latency 9648.271 ms 1 501 0.00 MB/sec execute 4 sec latency 10648.479 ms 1 501 0.00 MB/sec execute 5 sec latency 11648.696 ms Failover mds1 to oleg126-server 1 501 0.00 MB/sec execute 6 sec latency 12650.805 ms mount facets: mds1 1 501 0.00 MB/sec execute 7 sec latency 13650.994 ms 1 501 0.00 MB/sec execute 8 sec latency 14652.478 ms 1 501 0.00 MB/sec execute 9 sec latency 15652.692 ms 1 501 0.00 MB/sec execute 10 sec latency 16653.486 ms 1 501 0.00 MB/sec execute 11 sec latency 17657.209 ms 1 501 0.00 MB/sec execute 12 sec latency 18658.072 ms 1 501 0.00 MB/sec execute 13 sec latency 19658.970 ms 1 501 0.00 MB/sec execute 14 sec latency 20659.114 ms 1 501 0.00 MB/sec execute 15 sec latency 21659.354 ms 1 501 0.00 MB/sec execute 16 sec latency 22659.672 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 501 0.00 MB/sec execute 17 sec latency 23659.848 ms 1 501 0.00 MB/sec execute 18 sec latency 24660.067 ms 1 501 0.00 MB/sec execute 19 sec latency 25663.790 ms 1 501 0.00 MB/sec execute 20 sec latency 26664.364 ms 1 501 0.00 MB/sec execute 21 sec latency 27664.771 ms 1 501 0.00 MB/sec execute 22 sec latency 28664.962 ms 1 501 0.00 MB/sec execute 23 sec latency 29667.285 ms 1 501 0.00 MB/sec execute 24 sec latency 30667.448 ms 1 501 0.00 MB/sec execute 25 sec latency 31668.896 ms 1 501 0.00 MB/sec execute 26 sec latency 32669.518 ms 1 501 0.00 MB/sec execute 27 sec latency 33670.200 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 501 0.00 MB/sec execute 28 sec latency 34670.393 ms 1 501 0.00 MB/sec execute 29 sec latency 35671.784 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 501 0.00 MB/sec execute 30 sec latency 36672.070 ms Started lustre-MDT0000 10:12:49 (1790950369) targets are mounted 10:12:49 (1790950369) facet_failover done 1 501 0.00 MB/sec execute 31 sec latency 37675.429 ms 1 513 0.01 MB/sec execute 32 sec latency 38208.768 ms 1 591 0.09 MB/sec execute 33 sec latency 145.944 ms 1 649 0.11 MB/sec execute 34 sec latency 131.108 ms 1 692 0.11 MB/sec execute 35 sec latency 101.264 ms 1 726 0.11 MB/sec execute 36 sec latency 115.415 ms 1 762 0.10 MB/sec execute 37 sec latency 106.724 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 786 0.10 MB/sec execute 38 sec latency 187.607 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 817 0.10 MB/sec execute 39 sec latency 140.494 ms 1 873 0.10 MB/sec execute 40 sec latency 96.497 ms 1 884 0.10 MB/sec execute 41 sec latency 597.254 ms 1 894 0.10 MB/sec execute 42 sec latency 1145.988 ms 1 923 0.10 MB/sec execute 43 sec latency 106.581 ms 1 971 0.10 MB/sec execute 44 sec latency 106.963 ms 1 1038 0.12 MB/sec execute 45 sec latency 85.824 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2136 1269168 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1960 1269344 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13328 3593424 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45440 3552916 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 58768 7146340 1% /mnt/lustre 1 1078 0.12 MB/sec execute 46 sec latency 155.647 ms 1 1131 0.12 MB/sec execute 47 sec latency 83.998 ms 1 1173 0.12 MB/sec execute 48 sec latency 143.549 ms 1 1221 0.11 MB/sec execute 49 sec latency 106.110 ms 1 1259 0.11 MB/sec execute 50 sec latency 115.276 ms 1 1399 0.17 MB/sec execute 51 sec latency 116.074 ms 1 1446 0.16 MB/sec execute 52 sec latency 102.607 ms 1 1481 0.16 MB/sec execute 53 sec latency 403.652 ms 1 1522 0.16 MB/sec execute 54 sec latency 130.787 ms 1 1597 0.16 MB/sec execute 55 sec latency 67.680 ms 1 1656 0.16 MB/sec execute 56 sec latency 81.355 ms test_26 fail mds2 2 times 1 1698 0.15 MB/sec execute 57 sec latency 115.740 ms 1 1762 0.15 MB/sec execute 58 sec latency 81.858 ms Failing mds2 on oleg126-server 1 1808 0.15 MB/sec execute 59 sec latency 111.259 ms Stopping /mnt/lustre-mds2 (opts:) on oleg126-server 1 1845 0.15 MB/sec execute 60 sec latency 127.617 ms 1 1859 0.15 MB/sec execute 61 sec latency 686.737 ms 1 1859 0.14 MB/sec execute 62 sec latency 1687.596 ms 1 1859 0.14 MB/sec execute 63 sec latency 2687.836 ms 1 1859 0.14 MB/sec execute 64 sec latency 3689.463 ms 1 1859 0.14 MB/sec execute 65 sec latency 4689.765 ms 1 1859 0.13 MB/sec execute 66 sec latency 5691.221 ms 1 1859 0.13 MB/sec execute 67 sec latency 6692.257 ms 1 1859 0.13 MB/sec execute 68 sec latency 7692.709 ms 1 1859 0.13 MB/sec execute 69 sec latency 8692.962 ms 10:13:28 (1790950408) shut down facet: mds2 facet_host: oleg126-server facet_failover_host: oleg126-server 1 1859 0.13 MB/sec execute 70 sec latency 9693.190 ms 1 1859 0.13 MB/sec execute 71 sec latency 10693.579 ms 1 1859 0.12 MB/sec execute 72 sec latency 11693.843 ms 1 1859 0.12 MB/sec execute 73 sec latency 12695.357 ms 1 1859 0.12 MB/sec execute 74 sec latency 13695.623 ms 1 1859 0.12 MB/sec execute 75 sec latency 14696.180 ms 1 1859 0.12 MB/sec execute 76 sec latency 15701.349 ms 1 1859 0.12 MB/sec execute 77 sec latency 16702.401 ms 1 1859 0.11 MB/sec execute 78 sec latency 17705.535 ms 1 1859 0.11 MB/sec execute 79 sec latency 18705.909 ms Failover mds2 to oleg126-server mount facets: mds2 1 1859 0.11 MB/sec execute 80 sec latency 19706.110 ms 1 1859 0.11 MB/sec execute 81 sec latency 20707.394 ms 1 1859 0.11 MB/sec execute 82 sec latency 21707.938 ms 1 1859 0.11 MB/sec execute 83 sec latency 22708.945 ms 1 1859 0.11 MB/sec execute 84 sec latency 23711.999 ms 1 1859 0.10 MB/sec execute 85 sec latency 24712.460 ms 1 1859 0.10 MB/sec execute 86 sec latency 25712.716 ms 1 1859 0.10 MB/sec execute 87 sec latency 26714.341 ms 1 1859 0.10 MB/sec execute 88 sec latency 27714.535 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 1859 0.10 MB/sec execute 89 sec latency 28715.068 ms 1 1859 0.10 MB/sec execute 90 sec latency 29715.250 ms 1 1859 0.10 MB/sec execute 91 sec latency 30715.505 ms 1 1859 0.10 MB/sec execute 92 sec latency 31715.727 ms 1 1859 0.10 MB/sec execute 93 sec latency 32716.150 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 1859 0.09 MB/sec execute 94 sec latency 33717.544 ms 1 1859 0.09 MB/sec execute 95 sec latency 34720.045 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 1859 0.09 MB/sec execute 96 sec latency 35722.545 ms Started lustre-MDT0001 10:13:55 (1790950435) targets are mounted 10:13:55 (1790950435) facet_failover done 1 1859 0.09 MB/sec execute 97 sec latency 36722.815 ms 1 1924 0.09 MB/sec execute 98 sec latency 36742.546 ms 1 1986 0.09 MB/sec execute 99 sec latency 76.157 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 273 192.992 38208.754 Close 225 12.371 54.701 Rename 11 100.883 187.585 Unlink 27 30.745 53.742 Qpathinfo 233 173.092 36742.529 Qfileinfo 60 2.075 16.919 Qfsinfo 33 3.165 18.522 Sfileinfo 34 60.635 155.630 Find 77 12.260 49.547 WriteX 202 12.373 75.339 ReadX 311 0.319 21.777 Flush 30 54.226 130.763 Throughput 0.0907893 MB/sec 1 clients 1 procs max_latency=38208.768 ms stopping dbench on /mnt/lustre at Fri Oct 2 10:14:03 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 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 Fri Oct 2 10:14:11 EDT 2026 waiting for dbench pid 67877 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 2252 1269052 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2160 1269144 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 14876 3569128 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11892 3595100 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 26768 7164228 1% /mnt/lustre 0 11 0.00 MB/sec warmup 1 sec latency 1.641 ms 1 68 1.50 MB/sec warmup 2 sec latency 136.784 ms 1 111 1.74 MB/sec warmup 3 sec latency 150.766 ms 1 139 1.50 MB/sec warmup 4 sec latency 190.475 ms 1 173 1.41 MB/sec warmup 5 sec latency 176.372 ms 1 197 1.31 MB/sec warmup 6 sec latency 362.274 ms 1 239 1.31 MB/sec warmup 7 sec latency 123.738 ms 1 282 1.30 MB/sec warmup 8 sec latency 135.673 ms 1 323 1.30 MB/sec warmup 9 sec latency 135.966 ms test_26 fail mds1 3 times 1 349 1.25 MB/sec warmup 10 sec latency 157.558 ms 1 397 1.28 MB/sec warmup 11 sec latency 115.400 ms Failing mds1 on oleg126-server 1 444 1.30 MB/sec warmup 12 sec latency 162.399 ms Stopping /mnt/lustre-mds1 (opts:) on oleg126-server 1 499 1.34 MB/sec warmup 13 sec latency 87.477 ms 1 542 1.36 MB/sec warmup 14 sec latency 118.750 ms 1 606 1.40 MB/sec warmup 15 sec latency 506.102 ms 10:14:27 (1790950467) shut down facet: mds1 facet_host: oleg126-server facet_failover_host: oleg126-server 1 606 1.31 MB/sec warmup 16 sec latency 1507.635 ms 1 606 1.23 MB/sec warmup 17 sec latency 2507.880 ms 1 606 1.16 MB/sec warmup 18 sec latency 3509.313 ms 1 606 1.10 MB/sec warmup 19 sec latency 4509.591 ms 1 606 0.00 MB/sec execute 1 sec latency 6510.696 ms 1 606 0.00 MB/sec execute 2 sec latency 7510.988 ms 1 606 0.00 MB/sec execute 3 sec latency 8512.325 ms 1 606 0.00 MB/sec execute 4 sec latency 9513.033 ms 1 606 0.00 MB/sec execute 5 sec latency 10513.878 ms 1 606 0.00 MB/sec execute 6 sec latency 11514.229 ms Failover mds1 to oleg126-server mount facets: mds1 1 606 0.00 MB/sec execute 7 sec latency 12514.578 ms 1 606 0.00 MB/sec execute 8 sec latency 13515.321 ms 1 606 0.00 MB/sec execute 9 sec latency 14516.922 ms 1 606 0.00 MB/sec execute 10 sec latency 15517.125 ms 1 606 0.00 MB/sec execute 11 sec latency 16517.369 ms 1 606 0.00 MB/sec execute 12 sec latency 17517.661 ms 1 606 0.00 MB/sec execute 13 sec latency 18521.601 ms 1 606 0.00 MB/sec execute 14 sec latency 19522.172 ms 1 606 0.00 MB/sec execute 15 sec latency 20523.463 ms 1 606 0.00 MB/sec execute 16 sec latency 21523.894 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 17 sec latency 22524.231 ms 1 606 0.00 MB/sec execute 18 sec latency 23525.255 ms 1 606 0.00 MB/sec execute 19 sec latency 24525.558 ms 1 606 0.00 MB/sec execute 20 sec latency 25526.042 ms 1 606 0.00 MB/sec execute 21 sec latency 26526.396 ms 1 606 0.00 MB/sec execute 22 sec latency 27528.330 ms 1 606 0.00 MB/sec execute 23 sec latency 28532.431 ms 1 606 0.00 MB/sec execute 24 sec latency 29532.684 ms 1 606 0.00 MB/sec execute 25 sec latency 30532.926 ms 1 606 0.00 MB/sec execute 26 sec latency 31533.305 ms 1 606 0.00 MB/sec execute 27 sec latency 32533.958 ms 1 606 0.00 MB/sec execute 28 sec latency 33534.191 ms 1 606 0.00 MB/sec execute 29 sec latency 34536.437 ms oleg126-server: oleg126-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 30 sec latency 35536.630 ms pdsh@oleg126-client: oleg126-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 31 sec latency 36537.767 ms Started lustre-MDT0000 10:15:03 (1790950503) targets are mounted 10:15:03 (1790950503) facet_failover done 1 618 0.00 MB/sec execute 32 sec latency 37297.331 ms 1 685 0.01 MB/sec execute 33 sec latency 109.539 ms 1 726 0.01 MB/sec execute 34 sec latency 92.080 ms 1 762 0.01 MB/sec execute 35 sec latency 109.055 ms 1 786 0.01 MB/sec execute 36 sec latency 143.274 ms 1 814 0.01 MB/sec execute 37 sec latency 143.248 ms 1 860 0.02 MB/sec execute 38 sec latency 116.166 ms oleg126-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.02 MB/sec execute 39 sec latency 146.167 ms 1 884 0.02 MB/sec execute 40 sec latency 1115.220 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 903 0.02 MB/sec execute 41 sec latency 1372.599 ms 1 949 0.02 MB/sec execute 42 sec latency 98.483 ms 1 986 0.02 MB/sec execute 43 sec latency 115.692 ms 1 1086 0.04 MB/sec execute 44 sec latency 68.685 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1164 0.05 MB/sec execute 45 sec latency 93.692 ms 1 1229 0.05 MB/sec execute 46 sec latency 59.295 ms 1 1276 0.05 MB/sec execute 47 sec latency 101.738 ms 1 1410 0.10 MB/sec execute 48 sec latency 165.390 ms 1 1467 0.10 MB/sec execute 49 sec latency 236.003 ms 1 1508 0.10 MB/sec execute 50 sec latency 332.901 ms 1 1565 0.10 MB/sec execute 51 sec latency 75.693 ms 1 1605 0.10 MB/sec execute 52 sec latency 92.055 ms 1 1646 0.10 MB/sec execute 53 sec latency 122.839 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Oct 2 10:15:25 EDT 2026 with return code 0 1 1686 0.10 MB/sec execute 54 sec latency 136.453 ms 67877 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67877 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished