== replay-dual test 26: dbench and tar with mds failover ========================================================== 16:42:43 (1787863363) Starting client oleg110-client.virtnet: -o user_xattr,flock 192.168.201.110@tcp:/lustre /mnt/lustre Started clients oleg110-client.virtnet: 192.168.201.110@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 65726 Started dbench loop with 65727 striped dir -i0 -c2 -H crush2 /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 1568 3605452 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 17932 3589004 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19500 7194456 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 16:42:49 EDT 2026 waiting for dbench pid 65804 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 26.905 ms 1 69 1.54 MB/sec warmup 2 sec latency 133.070 ms 1 111 1.74 MB/sec warmup 3 sec latency 135.038 ms 1 137 1.50 MB/sec warmup 4 sec latency 181.880 ms 1 157 1.30 MB/sec warmup 5 sec latency 199.461 ms 1 184 1.22 MB/sec warmup 6 sec latency 206.295 ms 1 199 1.12 MB/sec warmup 7 sec latency 542.056 ms 1 238 1.14 MB/sec warmup 8 sec latency 166.277 ms 1 286 1.19 MB/sec warmup 9 sec latency 121.656 ms test_26 fail mds1 1 times 1 323 1.17 MB/sec warmup 10 sec latency 124.418 ms 1 352 1.14 MB/sec warmup 11 sec latency 187.105 ms Failing mds1 on oleg110-server 1 389 1.15 MB/sec warmup 12 sec latency 129.012 ms Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 424 1.14 MB/sec warmup 13 sec latency 157.533 ms 1 460 1.15 MB/sec warmup 14 sec latency 321.733 ms 1 460 1.08 MB/sec warmup 15 sec latency 1321.937 ms 1 460 1.01 MB/sec warmup 16 sec latency 2322.232 ms 16:43:05 (1787863385) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 460 0.95 MB/sec warmup 17 sec latency 3322.784 ms 1 460 0.90 MB/sec warmup 18 sec latency 4324.728 ms 1 460 0.85 MB/sec warmup 19 sec latency 5324.895 ms 1 460 0.00 MB/sec execute 1 sec latency 7325.957 ms 1 460 0.00 MB/sec execute 2 sec latency 8326.165 ms 1 460 0.00 MB/sec execute 3 sec latency 9329.947 ms 1 460 0.00 MB/sec execute 4 sec latency 10330.166 ms 1 460 0.00 MB/sec execute 5 sec latency 11332.219 ms 1 460 0.00 MB/sec execute 6 sec latency 12332.405 ms Failover mds1 to oleg110-server mount facets: mds1 1 460 0.00 MB/sec execute 7 sec latency 13332.588 ms 1 460 0.00 MB/sec execute 8 sec latency 14333.437 ms 1 460 0.00 MB/sec execute 9 sec latency 15333.718 ms 1 460 0.00 MB/sec execute 10 sec latency 16333.905 ms 1 460 0.00 MB/sec execute 11 sec latency 17334.243 ms 1 460 0.00 MB/sec execute 12 sec latency 18334.459 ms 1 460 0.00 MB/sec execute 13 sec latency 19335.573 ms 1 460 0.00 MB/sec execute 14 sec latency 20337.716 ms 1 460 0.00 MB/sec execute 15 sec latency 21338.399 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 460 0.00 MB/sec execute 16 sec latency 22338.680 ms 1 460 0.00 MB/sec execute 17 sec latency 23338.900 ms 1 460 0.00 MB/sec execute 18 sec latency 24339.080 ms 1 460 0.00 MB/sec execute 19 sec latency 25339.302 ms 1 460 0.00 MB/sec execute 20 sec latency 26340.781 ms 1 460 0.00 MB/sec execute 21 sec latency 27340.970 ms 1 460 0.00 MB/sec execute 22 sec latency 28344.411 ms 1 460 0.00 MB/sec execute 23 sec latency 29344.554 ms 1 460 0.00 MB/sec execute 24 sec latency 30344.874 ms 1 460 0.00 MB/sec execute 25 sec latency 31345.161 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 460 0.00 MB/sec execute 26 sec latency 32345.423 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 460 0.00 MB/sec execute 27 sec latency 33346.412 ms Started lustre-MDT0000 16:43:37 (1787863417) targets are mounted 16:43:37 (1787863417) facet_failover done 1 460 0.00 MB/sec execute 28 sec latency 34346.572 ms 1 464 0.00 MB/sec execute 29 sec latency 35166.090 ms 1 512 0.05 MB/sec execute 30 sec latency 93.716 ms 1 552 0.09 MB/sec execute 31 sec latency 304.053 ms 1 603 0.15 MB/sec execute 32 sec latency 793.066 ms 1 650 0.15 MB/sec execute 33 sec latency 147.624 ms 1 685 0.15 MB/sec execute 34 sec latency 117.365 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 718 0.15 MB/sec execute 35 sec latency 107.507 ms 1 748 0.14 MB/sec execute 36 sec latency 120.154 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 786 0.14 MB/sec execute 37 sec latency 115.934 ms 1 818 0.14 MB/sec execute 38 sec latency 138.700 ms 1 874 0.14 MB/sec execute 39 sec latency 79.810 ms 1 913 0.14 MB/sec execute 40 sec latency 96.164 ms 1 952 0.14 MB/sec execute 41 sec latency 87.864 ms 1 984 0.14 MB/sec execute 42 sec latency 132.931 ms 1 1041 0.16 MB/sec execute 43 sec latency 87.072 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2108 1269196 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1944 1269360 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 12440 3591456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 41852 3562756 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54292 7154212 1% /mnt/lustre 1 1084 0.15 MB/sec execute 44 sec latency 86.987 ms 1 1136 0.15 MB/sec execute 45 sec latency 105.119 ms 1 1172 0.15 MB/sec execute 46 sec latency 485.331 ms 1 1190 0.15 MB/sec execute 47 sec latency 899.434 ms 1 1229 0.14 MB/sec execute 48 sec latency 94.067 ms 1 1268 0.14 MB/sec execute 49 sec latency 102.888 ms 1 1390 0.20 MB/sec execute 50 sec latency 178.871 ms 1 1428 0.19 MB/sec execute 51 sec latency 98.331 ms 1 1502 0.19 MB/sec execute 52 sec latency 70.251 ms test_26 fail mds2 2 times 1 1552 0.19 MB/sec execute 53 sec latency 125.690 ms 1 1591 0.18 MB/sec execute 54 sec latency 87.675 ms Failing mds2 on oleg110-server 1 1641 0.18 MB/sec execute 55 sec latency 96.717 ms Stopping /mnt/lustre-mds2 (opts:) on oleg110-server 1 1682 0.18 MB/sec execute 56 sec latency 99.574 ms 1 1740 0.18 MB/sec execute 57 sec latency 83.086 ms 1 1837 0.18 MB/sec execute 58 sec latency 50.883 ms 1 1905 0.17 MB/sec execute 59 sec latency 78.445 ms 1 1980 0.17 MB/sec execute 60 sec latency 91.903 ms 1 2060 0.17 MB/sec execute 61 sec latency 81.217 ms 1 2138 0.17 MB/sec execute 62 sec latency 88.905 ms 1 2174 0.17 MB/sec execute 63 sec latency 114.477 ms 1 2225 0.17 MB/sec execute 64 sec latency 121.249 ms 16:44:13 (1787863453) shut down facet: mds2 facet_host: oleg110-server facet_failover_host: oleg110-server 1 2259 0.16 MB/sec execute 65 sec latency 497.541 ms 1 2259 0.16 MB/sec execute 66 sec latency 1499.371 ms 1 2259 0.16 MB/sec execute 67 sec latency 2501.717 ms 1 2259 0.16 MB/sec execute 68 sec latency 3501.920 ms 1 2259 0.15 MB/sec execute 69 sec latency 4505.976 ms 1 2259 0.15 MB/sec execute 70 sec latency 5506.307 ms 1 2259 0.15 MB/sec execute 71 sec latency 6506.513 ms 1 2259 0.15 MB/sec execute 72 sec latency 7507.107 ms 1 2259 0.15 MB/sec execute 73 sec latency 8507.305 ms 1 2259 0.14 MB/sec execute 74 sec latency 9508.606 ms Failover mds2 to oleg110-server mount facets: mds2 1 2259 0.14 MB/sec execute 75 sec latency 10513.670 ms 1 2259 0.14 MB/sec execute 76 sec latency 11514.163 ms 1 2259 0.14 MB/sec execute 77 sec latency 12515.672 ms 1 2259 0.14 MB/sec execute 78 sec latency 13515.906 ms 1 2259 0.13 MB/sec execute 79 sec latency 14516.080 ms 1 2259 0.13 MB/sec execute 80 sec latency 15520.490 ms 1 2259 0.13 MB/sec execute 81 sec latency 16520.719 ms 1 2259 0.13 MB/sec execute 82 sec latency 17523.572 ms 1 2259 0.13 MB/sec execute 83 sec latency 18523.786 ms 1 2259 0.13 MB/sec execute 84 sec latency 19523.993 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.12 MB/sec execute 85 sec latency 20524.285 ms 1 2259 0.12 MB/sec execute 86 sec latency 21524.511 ms 1 2259 0.12 MB/sec execute 87 sec latency 22525.021 ms 1 2259 0.12 MB/sec execute 88 sec latency 23525.165 ms 1 2259 0.12 MB/sec execute 89 sec latency 24525.354 ms 1 2259 0.12 MB/sec execute 90 sec latency 25525.690 ms 1 2259 0.12 MB/sec execute 91 sec latency 26526.022 ms 1 2259 0.12 MB/sec execute 92 sec latency 27527.526 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 93 sec latency 28535.388 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 2270 0.12 MB/sec execute 94 sec latency 29230.958 ms 1 2345 0.12 MB/sec execute 95 sec latency 112.333 ms Started lustre-MDT0001 16:44:44 (1787863484) targets are mounted 16:44:44 (1787863484) facet_failover done 1 2382 0.12 MB/sec execute 96 sec latency 182.797 ms 1 2413 0.12 MB/sec execute 97 sec latency 152.255 ms 1 2447 0.12 MB/sec execute 98 sec latency 92.421 ms 1 2482 0.13 MB/sec execute 99 sec latency 123.788 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg110-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 358 131.932 29230.945 Close 308 125.532 35166.066 Rename 15 86.556 152.233 Unlink 38 24.215 50.017 Qpathinfo 340 15.807 138.680 Qfileinfo 86 1.847 10.540 Qfsinfo 43 4.072 35.911 Sfileinfo 49 58.883 121.106 Find 116 12.331 51.845 WriteX 294 12.843 78.847 ReadX 427 2.482 103.909 Flush 34 53.302 123.771 Throughput 0.126593 MB/sec 1 clients 1 procs max_latency=35166.090 ms stopping dbench on /mnt/lustre at Thu Aug 27 16:44:53 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec removed 'client.txt' /mnt/lustre dbench successfully finished 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' UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2248 1269056 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2172 1269132 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34644 3570392 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 12568 3593600 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47212 7163992 1% /mnt/lustre running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Thu Aug 27 16:45:02 EDT 2026 waiting for dbench pid 67950 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 22 0.52 MB/sec warmup 1 sec latency 18.163 ms 1 71 1.57 MB/sec warmup 2 sec latency 147.761 ms 1 113 1.74 MB/sec warmup 3 sec latency 166.012 ms 1 139 1.50 MB/sec warmup 4 sec latency 162.528 ms 1 165 1.36 MB/sec warmup 5 sec latency 198.071 ms 1 188 1.26 MB/sec warmup 6 sec latency 414.339 ms 1 207 1.16 MB/sec warmup 7 sec latency 480.701 ms 1 255 1.21 MB/sec warmup 8 sec latency 99.993 ms 1 298 1.22 MB/sec warmup 9 sec latency 98.846 ms test_26 fail mds1 3 times 1 330 1.20 MB/sec warmup 10 sec latency 166.862 ms 1 357 1.16 MB/sec warmup 11 sec latency 186.081 ms 1 390 1.15 MB/sec warmup 12 sec latency 154.942 ms Failing mds1 on oleg110-server Stopping /mnt/lustre-mds1 (opts:) on oleg110-server 1 437 1.18 MB/sec warmup 13 sec latency 103.927 ms 1 468 1.17 MB/sec warmup 14 sec latency 194.901 ms 1 468 1.09 MB/sec warmup 15 sec latency 1134.042 ms 1 468 1.03 MB/sec warmup 16 sec latency 2134.240 ms 16:45:19 (1787863519) shut down facet: mds1 facet_host: oleg110-server facet_failover_host: oleg110-server 1 468 0.96 MB/sec warmup 17 sec latency 3134.439 ms 1 468 0.91 MB/sec warmup 18 sec latency 4136.847 ms 1 468 0.86 MB/sec warmup 19 sec latency 5137.092 ms 1 468 0.00 MB/sec execute 1 sec latency 7137.443 ms 1 468 0.00 MB/sec execute 2 sec latency 8137.660 ms 1 468 0.00 MB/sec execute 3 sec latency 9138.066 ms 1 468 0.00 MB/sec execute 4 sec latency 10138.686 ms 1 468 0.00 MB/sec execute 5 sec latency 11138.863 ms 1 468 0.00 MB/sec execute 6 sec latency 12139.011 ms Failover mds1 to oleg110-server mount facets: mds1 1 468 0.00 MB/sec execute 7 sec latency 13141.525 ms 1 468 0.00 MB/sec execute 8 sec latency 14141.695 ms 1 468 0.00 MB/sec execute 9 sec latency 15144.352 ms 1 468 0.00 MB/sec execute 10 sec latency 16144.551 ms 1 468 0.00 MB/sec execute 11 sec latency 17146.563 ms 1 468 0.00 MB/sec execute 12 sec latency 18149.662 ms 1 468 0.00 MB/sec execute 13 sec latency 19149.789 ms 1 468 0.00 MB/sec execute 14 sec latency 20150.050 ms 1 468 0.00 MB/sec execute 15 sec latency 21150.852 ms 1 468 0.00 MB/sec execute 16 sec latency 22156.091 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 468 0.00 MB/sec execute 17 sec latency 23157.331 ms 1 468 0.00 MB/sec execute 18 sec latency 24157.621 ms 1 468 0.00 MB/sec execute 19 sec latency 25158.365 ms 1 468 0.00 MB/sec execute 20 sec latency 26159.890 ms 1 468 0.00 MB/sec execute 21 sec latency 27163.185 ms 1 468 0.00 MB/sec execute 22 sec latency 28163.418 ms 1 468 0.00 MB/sec execute 23 sec latency 29163.723 ms 1 468 0.00 MB/sec execute 24 sec latency 30164.401 ms 1 468 0.00 MB/sec execute 25 sec latency 31164.625 ms 1 468 0.00 MB/sec execute 26 sec latency 32164.934 ms 1 468 0.00 MB/sec execute 27 sec latency 33165.148 ms 1 468 0.00 MB/sec execute 28 sec latency 34167.017 ms 1 468 0.00 MB/sec execute 29 sec latency 35167.231 ms 1 468 0.00 MB/sec execute 30 sec latency 36167.540 ms 1 468 0.00 MB/sec execute 31 sec latency 37167.892 ms oleg110-server: oleg110-server.virtnet: executing set_default_debug -1 all 1 468 0.00 MB/sec execute 32 sec latency 38170.923 ms 1 468 0.00 MB/sec execute 33 sec latency 39173.258 ms pdsh@oleg110-client: oleg110-server: ssh exited with exit code 1 1 468 0.00 MB/sec execute 34 sec latency 40173.873 ms 1 477 0.01 MB/sec execute 35 sec latency 40708.269 ms Started lustre-MDT0000 16:45:58 (1787863558) targets are mounted 16:45:58 (1787863558) facet_failover done 1 511 0.04 MB/sec execute 36 sec latency 191.502 ms 1 552 0.07 MB/sec execute 37 sec latency 186.981 ms 1 603 0.12 MB/sec execute 38 sec latency 631.160 ms 1 652 0.12 MB/sec execute 39 sec latency 133.421 ms 1 689 0.12 MB/sec execute 40 sec latency 121.312 ms 1 718 0.12 MB/sec execute 41 sec latency 173.552 ms 1 744 0.12 MB/sec execute 42 sec latency 169.289 ms oleg110-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 778 0.11 MB/sec execute 43 sec latency 131.460 ms 1 803 0.11 MB/sec execute 44 sec latency 133.753 ms 1 845 0.11 MB/sec execute 45 sec latency 153.370 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 876 0.11 MB/sec execute 46 sec latency 100.489 ms 1 902 0.11 MB/sec execute 47 sec latency 146.667 ms 1 933 0.11 MB/sec execute 48 sec latency 163.441 ms 1 969 0.11 MB/sec execute 49 sec latency 97.871 ms 1 1006 0.12 MB/sec execute 50 sec latency 144.330 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1084 0.13 MB/sec execute 51 sec latency 83.762 ms 1 1147 0.13 MB/sec execute 52 sec latency 73.758 ms 1 1172 0.12 MB/sec execute 53 sec latency 603.435 ms 1 1192 0.12 MB/sec execute 54 sec latency 1120.522 ms 1 1236 0.12 MB/sec execute 55 sec latency 89.045 ms 1 1269 0.12 MB/sec execute 56 sec latency 134.766 ms 1 1401 0.17 MB/sec execute 57 sec latency 93.063 ms 1 1441 0.16 MB/sec execute 58 sec latency 107.657 ms 1 1489 0.16 MB/sec execute 59 sec latency 95.622 ms 1 1524 0.16 MB/sec execute 60 sec latency 121.316 ms tar: Error is not recoverable: exiting now 1 1574 0.16 MB/sec execute 61 sec latency 70.055 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Aug 27 16:46:24 EDT 2026 with return code 0 67950 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67950 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished