== replay-dual test 26: dbench and tar with mds failover ========================================================== 10:00:24 (1788616824) Starting client oleg644-client.virtnet: -o user_xattr,flock 192.168.206.144@tcp:/lustre /mnt/lustre Started clients oleg644-client.virtnet: 192.168.206.144@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 65666 Started dbench loop with 65667 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H fnv_1a_64 /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 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17948 3584876 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 19492 7190352 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 Sat Sep 5 10:00:29 EDT 2026 waiting for dbench pid 65746 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 10 0.00 MB/sec warmup 1 sec latency 111.260 ms 1 76 1.64 MB/sec warmup 2 sec latency 118.393 ms 1 113 1.74 MB/sec warmup 3 sec latency 260.668 ms 1 139 1.50 MB/sec warmup 4 sec latency 244.009 ms 1 166 1.36 MB/sec warmup 5 sec latency 158.133 ms 1 181 1.21 MB/sec warmup 6 sec latency 686.048 ms 1 197 1.12 MB/sec warmup 7 sec latency 792.819 ms 1 228 1.09 MB/sec warmup 8 sec latency 167.126 ms 1 271 1.13 MB/sec warmup 9 sec latency 103.143 ms test_26 fail mds1 1 times 1 298 1.09 MB/sec warmup 10 sec latency 189.444 ms 1 330 1.09 MB/sec warmup 11 sec latency 162.683 ms 1 349 1.04 MB/sec warmup 12 sec latency 237.908 ms Failing mds1 on oleg644-server 1 381 1.04 MB/sec warmup 13 sec latency 166.139 ms Stopping /mnt/lustre-mds1 (opts:) on oleg644-server 1 414 1.04 MB/sec warmup 14 sec latency 152.618 ms 1 429 1.00 MB/sec warmup 15 sec latency 780.698 ms 1 429 0.94 MB/sec warmup 16 sec latency 1781.113 ms 10:00:46 (1788616846) shut down facet: mds1 facet_host: oleg644-server facet_failover_host: oleg644-server 1 429 0.89 MB/sec warmup 17 sec latency 2781.602 ms 1 429 0.84 MB/sec warmup 18 sec latency 3784.094 ms 1 429 0.79 MB/sec warmup 19 sec latency 4784.382 ms 1 429 0.00 MB/sec execute 1 sec latency 6788.086 ms 1 429 0.00 MB/sec execute 2 sec latency 7788.384 ms 1 429 0.00 MB/sec execute 3 sec latency 8789.630 ms 1 429 0.00 MB/sec execute 4 sec latency 9791.068 ms 1 429 0.00 MB/sec execute 5 sec latency 10794.461 ms 1 429 0.00 MB/sec execute 6 sec latency 11794.752 ms Failover mds1 to oleg644-server 1 429 0.00 MB/sec execute 7 sec latency 12798.702 ms mount facets: mds1 1 429 0.00 MB/sec execute 8 sec latency 13799.265 ms 1 429 0.00 MB/sec execute 9 sec latency 14803.861 ms 1 429 0.00 MB/sec execute 10 sec latency 15804.268 ms 1 429 0.00 MB/sec execute 11 sec latency 16804.522 ms 1 429 0.00 MB/sec execute 12 sec latency 17807.559 ms 1 429 0.00 MB/sec execute 13 sec latency 18808.127 ms 1 429 0.00 MB/sec execute 14 sec latency 19808.748 ms 1 429 0.00 MB/sec execute 15 sec latency 20809.130 ms 1 429 0.00 MB/sec execute 16 sec latency 21809.323 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 429 0.00 MB/sec execute 17 sec latency 22809.617 ms 1 429 0.00 MB/sec execute 18 sec latency 23809.865 ms 1 429 0.00 MB/sec execute 19 sec latency 24812.188 ms 1 429 0.00 MB/sec execute 20 sec latency 25812.596 ms 1 429 0.00 MB/sec execute 21 sec latency 26812.954 ms 1 429 0.00 MB/sec execute 22 sec latency 27814.002 ms 1 429 0.00 MB/sec execute 23 sec latency 28814.310 ms 1 429 0.00 MB/sec execute 24 sec latency 29814.885 ms 1 429 0.00 MB/sec execute 25 sec latency 30815.773 ms 1 429 0.00 MB/sec execute 26 sec latency 31816.006 ms 1 429 0.00 MB/sec execute 27 sec latency 32816.291 ms 1 429 0.00 MB/sec execute 28 sec latency 33817.061 ms 1 429 0.00 MB/sec execute 29 sec latency 34817.334 ms oleg644-server: oleg644-server.virtnet: executing set_default_debug -1 all 1 429 0.00 MB/sec execute 30 sec latency 35822.554 ms pdsh@oleg644-client: oleg644-server: ssh exited with exit code 1 1 429 0.00 MB/sec execute 31 sec latency 36822.854 ms Started lustre-MDT0000 10:01:21 (1788616881) targets are mounted 10:01:21 (1788616881) facet_failover done 1 435 0.01 MB/sec execute 32 sec latency 37752.034 ms 1 493 0.06 MB/sec execute 33 sec latency 92.760 ms 1 522 0.09 MB/sec execute 34 sec latency 167.775 ms 1 552 0.11 MB/sec execute 35 sec latency 259.466 ms 1 600 0.16 MB/sec execute 36 sec latency 830.261 ms 1 644 0.16 MB/sec execute 37 sec latency 136.945 ms 1 676 0.16 MB/sec execute 38 sec latency 134.771 ms 1 708 0.16 MB/sec execute 39 sec latency 142.309 ms oleg644-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 738 0.15 MB/sec execute 40 sec latency 152.211 ms 1 769 0.15 MB/sec execute 41 sec latency 140.883 ms 1 789 0.15 MB/sec execute 42 sec latency 208.499 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 808 0.15 MB/sec execute 43 sec latency 166.604 ms 1 848 0.15 MB/sec execute 44 sec latency 139.019 ms 1 876 0.15 MB/sec execute 45 sec latency 130.391 ms 1 904 0.14 MB/sec execute 46 sec latency 145.714 ms 1 927 0.14 MB/sec execute 47 sec latency 132.869 ms 1 969 0.14 MB/sec execute 48 sec latency 85.010 ms 1 990 0.14 MB/sec execute 49 sec latency 127.973 ms 1 1041 0.16 MB/sec execute 50 sec latency 142.935 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1948 1269356 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 34144 3568524 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 15524 3585908 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 49668 7154432 1% /mnt/lustre 1 1076 0.15 MB/sec execute 51 sec latency 117.843 ms 1 1124 0.15 MB/sec execute 52 sec latency 145.165 ms 1 1147 0.15 MB/sec execute 53 sec latency 120.627 ms 1 1172 0.15 MB/sec execute 54 sec latency 327.263 ms 1 1177 0.14 MB/sec execute 55 sec latency 874.065 ms 1 1214 0.14 MB/sec execute 56 sec latency 134.682 ms 1 1240 0.14 MB/sec execute 57 sec latency 140.056 ms 1 1274 0.14 MB/sec execute 58 sec latency 136.640 ms 1 1390 0.18 MB/sec execute 59 sec latency 143.395 ms 1 1412 0.18 MB/sec execute 60 sec latency 221.234 ms 1 1447 0.18 MB/sec execute 61 sec latency 129.754 ms 1 1486 0.18 MB/sec execute 62 sec latency 162.917 ms test_26 fail mds2 2 times 1 1512 0.17 MB/sec execute 63 sec latency 137.416 ms 1 1558 0.17 MB/sec execute 64 sec latency 114.235 ms Failing mds2 on oleg644-server 1 1597 0.17 MB/sec execute 65 sec latency 107.685 ms Stopping /mnt/lustre-mds2 (opts:) on oleg644-server 1 1632 0.17 MB/sec execute 66 sec latency 143.388 ms 1 1662 0.17 MB/sec execute 67 sec latency 136.288 ms 1 1706 0.16 MB/sec execute 68 sec latency 129.400 ms 1 1771 0.16 MB/sec execute 69 sec latency 98.127 ms 10:01:59 (1788616919) shut down facet: mds2 facet_host: oleg644-server facet_failover_host: oleg644-server 1 1834 0.16 MB/sec execute 70 sec latency 94.463 ms 1 1902 0.16 MB/sec execute 71 sec latency 87.018 ms 1 1978 0.16 MB/sec execute 72 sec latency 92.202 ms 1 2077 0.16 MB/sec execute 73 sec latency 65.212 ms 1 2152 0.16 MB/sec execute 74 sec latency 65.702 ms 1 2204 0.15 MB/sec execute 75 sec latency 92.113 ms 1 2259 0.15 MB/sec execute 76 sec latency 480.105 ms 1 2259 0.15 MB/sec execute 77 sec latency 1482.787 ms 1 2259 0.15 MB/sec execute 78 sec latency 2483.315 ms 1 2259 0.15 MB/sec execute 79 sec latency 3483.651 ms Failover mds2 to oleg644-server 1 2259 0.15 MB/sec execute 80 sec latency 4488.467 ms mount facets: mds2 1 2259 0.14 MB/sec execute 81 sec latency 5488.699 ms 1 2259 0.14 MB/sec execute 82 sec latency 6489.115 ms 1 2259 0.14 MB/sec execute 83 sec latency 7489.340 ms 1 2259 0.14 MB/sec execute 84 sec latency 8491.841 ms 1 2259 0.14 MB/sec execute 85 sec latency 9492.810 ms 1 2259 0.14 MB/sec execute 86 sec latency 10493.502 ms 1 2259 0.13 MB/sec execute 87 sec latency 11494.845 ms 1 2259 0.13 MB/sec execute 88 sec latency 12497.002 ms 1 2259 0.13 MB/sec execute 89 sec latency 13497.254 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.13 MB/sec execute 90 sec latency 14497.572 ms 1 2259 0.13 MB/sec execute 91 sec latency 15502.798 ms 1 2259 0.13 MB/sec execute 92 sec latency 16505.615 ms 1 2259 0.13 MB/sec execute 93 sec latency 17505.890 ms 1 2259 0.12 MB/sec execute 94 sec latency 18506.346 ms 1 2259 0.12 MB/sec execute 95 sec latency 19506.794 ms oleg644-server: oleg644-server.virtnet: executing set_default_debug -1 all 1 2259 0.12 MB/sec execute 96 sec latency 20507.878 ms pdsh@oleg644-client: oleg644-server: ssh exited with exit code 1 1 2259 0.12 MB/sec execute 97 sec latency 21508.130 ms 1 2259 0.12 MB/sec execute 98 sec latency 22510.272 ms Started lustre-MDT0001 10:02:27 (1788616947) targets are mounted 10:02:28 (1788616948) facet_failover done 1 2306 0.13 MB/sec execute 99 sec latency 22821.428 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 335 241.163 37752.019 Close 291 13.738 94.846 Rename 11 121.523 165.234 Unlink 31 29.506 81.254 Qpathinfo 307 18.050 132.576 Qfileinfo 80 2.306 13.792 Qfsinfo 37 5.159 29.279 Sfileinfo 38 76.536 139.003 Find 100 14.492 81.484 WriteX 284 14.064 91.379 ReadX 377 2.864 88.630 Flush 31 63.515 136.129 Throughput 0.12749 MB/sec 1 clients 1 procs max_latency=37752.034 ms stopping dbench on /mnt/lustre at Sat Sep 5 10:02:34 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg644-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 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 '/usr/share/dbench/client.txt' -> 'client.txt' running 'dbench 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100' on /mnt/lustre at Sat Sep 5 10:02:44 EDT 2026 waiting for dbench pid 67881 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 20 0.39 MB/sec warmup 1 sec latency 16.206 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2352 1268952 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 27036 3577144 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20188 3586596 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47224 7163740 1% /mnt/lustre 1 77 1.67 MB/sec warmup 2 sec latency 119.672 ms 1 114 1.74 MB/sec warmup 3 sec latency 255.953 ms 1 151 1.58 MB/sec warmup 4 sec latency 135.456 ms 1 176 1.41 MB/sec warmup 5 sec latency 201.745 ms 1 197 1.30 MB/sec warmup 6 sec latency 433.428 ms 1 239 1.30 MB/sec warmup 7 sec latency 114.538 ms 1 279 1.30 MB/sec warmup 8 sec latency 92.982 ms 1 312 1.27 MB/sec warmup 9 sec latency 146.157 ms 1 341 1.22 MB/sec warmup 10 sec latency 159.557 ms 1 376 1.21 MB/sec warmup 11 sec latency 151.862 ms test_26 fail mds1 3 times 1 419 1.23 MB/sec warmup 12 sec latency 123.134 ms 1 454 1.22 MB/sec warmup 13 sec latency 129.898 ms Failing mds1 on oleg644-server 1 486 1.21 MB/sec warmup 14 sec latency 144.939 ms Stopping /mnt/lustre-mds1 (opts:) on oleg644-server 1 513 1.18 MB/sec warmup 15 sec latency 157.537 ms 1 596 1.29 MB/sec warmup 16 sec latency 159.525 ms 1 606 1.23 MB/sec warmup 17 sec latency 703.184 ms 1 606 1.16 MB/sec warmup 18 sec latency 1705.152 ms 1 606 1.10 MB/sec warmup 19 sec latency 2705.345 ms 10:03:03 (1788616983) shut down facet: mds1 facet_host: oleg644-server facet_failover_host: oleg644-server 1 606 0.00 MB/sec execute 1 sec latency 4709.844 ms 1 606 0.00 MB/sec execute 2 sec latency 5712.255 ms 1 606 0.00 MB/sec execute 3 sec latency 6713.327 ms 1 606 0.00 MB/sec execute 4 sec latency 7713.550 ms 1 606 0.00 MB/sec execute 5 sec latency 8714.487 ms 1 606 0.00 MB/sec execute 6 sec latency 9714.680 ms 1 606 0.00 MB/sec execute 7 sec latency 10714.905 ms 1 606 0.00 MB/sec execute 8 sec latency 11715.104 ms 1 606 0.00 MB/sec execute 9 sec latency 12716.022 ms Failover mds1 to oleg644-server mount facets: mds1 1 606 0.00 MB/sec execute 10 sec latency 13716.233 ms 1 606 0.00 MB/sec execute 11 sec latency 14716.490 ms 1 606 0.00 MB/sec execute 12 sec latency 15717.233 ms 1 606 0.00 MB/sec execute 13 sec latency 16717.615 ms 1 606 0.00 MB/sec execute 14 sec latency 17719.200 ms 1 606 0.00 MB/sec execute 15 sec latency 18720.293 ms 1 606 0.00 MB/sec execute 16 sec latency 19720.537 ms 1 606 0.00 MB/sec execute 17 sec latency 20720.881 ms 1 606 0.00 MB/sec execute 18 sec latency 21722.571 ms 1 606 0.00 MB/sec execute 19 sec latency 22723.274 ms 1 606 0.00 MB/sec execute 20 sec latency 23723.598 ms 1 606 0.00 MB/sec execute 21 sec latency 24724.076 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 606 0.00 MB/sec execute 22 sec latency 25724.562 ms 1 606 0.00 MB/sec execute 23 sec latency 26725.743 ms 1 606 0.00 MB/sec execute 24 sec latency 27726.049 ms 1 606 0.00 MB/sec execute 25 sec latency 28726.430 ms 1 606 0.00 MB/sec execute 26 sec latency 29727.004 ms 1 606 0.00 MB/sec execute 27 sec latency 30727.317 ms 1 606 0.00 MB/sec execute 28 sec latency 31727.504 ms 1 606 0.00 MB/sec execute 29 sec latency 32727.734 ms oleg644-server: oleg644-server.virtnet: executing set_default_debug -1 all 1 606 0.00 MB/sec execute 30 sec latency 33728.002 ms pdsh@oleg644-client: oleg644-server: ssh exited with exit code 1 1 606 0.00 MB/sec execute 31 sec latency 34730.981 ms Started lustre-MDT0000 10:03:36 (1788617016) targets are mounted 10:03:36 (1788617016) facet_failover done 1 616 0.00 MB/sec execute 32 sec latency 35436.336 ms 1 678 0.01 MB/sec execute 33 sec latency 94.015 ms 1 713 0.01 MB/sec execute 34 sec latency 176.138 ms 1 743 0.01 MB/sec execute 35 sec latency 113.317 ms 1 788 0.01 MB/sec execute 36 sec latency 108.869 ms 1 845 0.02 MB/sec execute 37 sec latency 84.967 ms 1 876 0.02 MB/sec execute 38 sec latency 104.037 ms oleg644-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 687.326 ms 1 885 0.02 MB/sec execute 40 sec latency 1504.050 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 905 0.02 MB/sec execute 41 sec latency 223.169 ms 1 934 0.02 MB/sec execute 42 sec latency 124.015 ms 1 972 0.02 MB/sec execute 43 sec latency 89.849 ms 1 1025 0.04 MB/sec execute 44 sec latency 108.370 ms 1 1084 0.04 MB/sec execute 45 sec latency 86.654 ms 1 1136 0.04 MB/sec execute 46 sec latency 95.542 ms 1 1177 0.04 MB/sec execute 47 sec latency 102.756 ms 1 1223 0.04 MB/sec execute 48 sec latency 80.954 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1263 0.04 MB/sec execute 49 sec latency 83.555 ms 1 1399 0.10 MB/sec execute 50 sec latency 84.297 ms 1 1435 0.10 MB/sec execute 51 sec latency 140.291 ms 1 1468 0.10 MB/sec execute 52 sec latency 412.296 ms 1 1511 0.10 MB/sec execute 53 sec latency 120.605 ms 1 1561 0.09 MB/sec execute 54 sec latency 73.446 ms 1 1607 0.09 MB/sec execute 55 sec latency 69.384 ms 1 1653 0.09 MB/sec execute 56 sec latency 199.684 ms 1 1692 0.09 MB/sec execute 57 sec latency 101.998 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 5 10:04:02 EDT 2026 with return code 0 1 1775 0.09 MB/sec execute 58 sec latency 96.555 ms 67881 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67881 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished