== replay-dual test 26: dbench and tar with mds failover ========================================================== 02:08:37 (1788847717) Starting client oleg104-client.virtnet: -o user_xattr,flock 192.168.201.104@tcp:/lustre /mnt/lustre Started clients oleg104-client.virtnet: 192.168.201.104@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 65650 Started dbench loop with 65651 striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench striped dir -i0 -c2 -H crush /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 1932 1269372 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1760 1269544 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3597180 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7202636 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 8 02:08:45 EDT 2026 waiting for dbench pid 65736 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 142.722 ms 1 71 1.57 MB/sec warmup 2 sec latency 123.126 ms 1 111 1.74 MB/sec warmup 3 sec latency 166.714 ms 1 129 1.44 MB/sec warmup 4 sec latency 279.452 ms 1 156 1.30 MB/sec warmup 5 sec latency 191.197 ms 1 165 1.13 MB/sec warmup 6 sec latency 654.175 ms 1 175 1.01 MB/sec warmup 7 sec latency 1238.194 ms 1 184 0.92 MB/sec warmup 8 sec latency 659.176 ms 1 206 0.90 MB/sec warmup 9 sec latency 769.664 ms 1 243 0.92 MB/sec warmup 10 sec latency 141.019 ms test_26 fail mds1 1 times 1 277 0.94 MB/sec warmup 11 sec latency 163.853 ms 1 297 0.91 MB/sec warmup 12 sec latency 205.655 ms 1 321 0.90 MB/sec warmup 13 sec latency 236.299 ms Failing mds1 on oleg104-server 1 341 0.87 MB/sec warmup 14 sec latency 236.599 ms Stopping /mnt/lustre-mds1 (opts:) on oleg104-server 1 371 0.88 MB/sec warmup 15 sec latency 208.282 ms 1 396 0.88 MB/sec warmup 16 sec latency 152.883 ms 1 396 0.83 MB/sec warmup 17 sec latency 1153.288 ms 1 396 0.78 MB/sec warmup 18 sec latency 2153.615 ms 02:09:04 (1788847744) shut down 1 396 0.74 MB/sec warmup 19 sec latency 3153.848 ms facet: mds1 facet_host: oleg104-server facet_failover_host: oleg104-server 1 396 0.00 MB/sec execute 1 sec latency 5154.475 ms 1 396 0.00 MB/sec execute 2 sec latency 6154.730 ms 1 396 0.00 MB/sec execute 3 sec latency 7155.694 ms 1 396 0.00 MB/sec execute 4 sec latency 8156.770 ms 1 396 0.00 MB/sec execute 5 sec latency 9156.967 ms 1 396 0.00 MB/sec execute 6 sec latency 10157.208 ms 1 396 0.00 MB/sec execute 7 sec latency 11157.663 ms 1 396 0.00 MB/sec execute 8 sec latency 12157.934 ms 1 396 0.00 MB/sec execute 9 sec latency 13158.336 ms Failover mds1 to oleg104-server mount facets: mds1 1 396 0.00 MB/sec execute 10 sec latency 14158.678 ms 1 396 0.00 MB/sec execute 11 sec latency 15158.914 ms 1 396 0.00 MB/sec execute 12 sec latency 16160.753 ms 1 396 0.00 MB/sec execute 13 sec latency 17161.125 ms 1 396 0.00 MB/sec execute 14 sec latency 18161.419 ms 1 396 0.00 MB/sec execute 15 sec latency 19162.266 ms 1 396 0.00 MB/sec execute 16 sec latency 20162.478 ms 1 396 0.00 MB/sec execute 17 sec latency 21164.124 ms 1 396 0.00 MB/sec execute 18 sec latency 22164.886 ms 1 396 0.00 MB/sec execute 19 sec latency 23172.681 ms 1 396 0.00 MB/sec execute 20 sec latency 24172.930 ms 1 396 0.00 MB/sec execute 21 sec latency 25173.590 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 396 0.00 MB/sec execute 22 sec latency 26173.799 ms 1 396 0.00 MB/sec execute 23 sec latency 27174.205 ms 1 396 0.00 MB/sec execute 24 sec latency 28174.604 ms 1 396 0.00 MB/sec execute 25 sec latency 29175.886 ms 1 396 0.00 MB/sec execute 26 sec latency 30176.049 ms 1 396 0.00 MB/sec execute 27 sec latency 31176.268 ms oleg104-server: oleg104-server.virtnet: executing set_default_debug -1 all 1 396 0.00 MB/sec execute 28 sec latency 32182.258 ms pdsh@oleg104-client: oleg104-server: ssh exited with exit code 1 1 396 0.00 MB/sec execute 29 sec latency 33186.498 ms Started lustre-MDT0000 1 396 0.00 MB/sec execute 30 sec latency 34186.853 ms 02:09:35 (1788847775) targets are mounted 02:09:35 (1788847775) facet_failover done 1 413 0.02 MB/sec execute 31 sec latency 34702.433 ms 1 453 0.06 MB/sec execute 32 sec latency 97.440 ms 1 485 0.09 MB/sec execute 33 sec latency 168.275 ms 1 514 0.11 MB/sec execute 34 sec latency 133.697 ms 1 552 0.14 MB/sec execute 35 sec latency 269.137 ms 1 606 0.19 MB/sec execute 36 sec latency 681.410 ms 1 644 0.19 MB/sec execute 37 sec latency 144.829 ms 1 671 0.19 MB/sec execute 38 sec latency 112.782 ms oleg104-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 705 0.18 MB/sec execute 39 sec latency 126.277 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 740 0.18 MB/sec execute 40 sec latency 104.248 ms 1 769 0.18 MB/sec execute 41 sec latency 137.285 ms 1 803 0.18 MB/sec execute 42 sec latency 138.998 ms 1 857 0.17 MB/sec execute 43 sec latency 128.036 ms 1 900 0.17 MB/sec execute 44 sec latency 106.835 ms 1 933 0.17 MB/sec execute 45 sec latency 94.416 ms 1 972 0.17 MB/sec execute 46 sec latency 196.243 ms 1 1005 0.17 MB/sec execute 47 sec latency 128.406 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1956 1269348 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 17056 3586084 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 35748 3567860 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52804 7153944 1% /mnt/lustre 1 1060 0.18 MB/sec execute 48 sec latency 80.318 ms 1 1084 0.18 MB/sec execute 49 sec latency 212.360 ms 1 1126 0.18 MB/sec execute 50 sec latency 109.391 ms 1 1156 0.17 MB/sec execute 51 sec latency 141.472 ms 1 1172 0.17 MB/sec execute 52 sec latency 727.502 ms 1 1193 0.17 MB/sec execute 53 sec latency 1060.743 ms 1 1233 0.17 MB/sec execute 54 sec latency 115.423 ms 1 1263 0.16 MB/sec execute 55 sec latency 125.553 ms 1 1384 0.21 MB/sec execute 56 sec latency 142.008 ms 1 1420 0.21 MB/sec execute 57 sec latency 97.158 ms 1 1473 0.21 MB/sec execute 58 sec latency 92.560 ms test_26 fail mds2 2 times 1 1547 0.20 MB/sec execute 59 sec latency 66.653 ms Failing mds2 on oleg104-server 1 1597 0.20 MB/sec execute 60 sec latency 91.274 ms Stopping /mnt/lustre-mds2 (opts:) on oleg104-server 1 1634 0.20 MB/sec execute 61 sec latency 140.824 ms 1 1681 0.20 MB/sec execute 62 sec latency 112.547 ms 1 1721 0.19 MB/sec execute 63 sec latency 122.993 ms 1 1787 0.19 MB/sec execute 64 sec latency 106.987 ms 02:10:10 (1788847810) shut down facet: mds2 facet_host: oleg104-server facet_failover_host: oleg104-server 1 1840 0.19 MB/sec execute 65 sec latency 106.954 ms 1 1911 0.19 MB/sec execute 66 sec latency 64.971 ms 1 1996 0.19 MB/sec execute 67 sec latency 127.230 ms 1 2060 0.18 MB/sec execute 68 sec latency 92.944 ms 1 2138 0.18 MB/sec execute 69 sec latency 117.547 ms 1 2191 0.18 MB/sec execute 70 sec latency 96.906 ms 1 2259 0.18 MB/sec execute 71 sec latency 125.867 ms 1 2259 0.18 MB/sec execute 72 sec latency 1126.144 ms 1 2259 0.17 MB/sec execute 73 sec latency 2126.461 ms 1 2259 0.17 MB/sec execute 74 sec latency 3126.678 ms 1 2259 0.17 MB/sec execute 75 sec latency 4128.458 ms Failover mds2 to oleg104-server mount facets: mds2 1 2259 0.17 MB/sec execute 76 sec latency 5129.637 ms 1 2259 0.16 MB/sec execute 77 sec latency 6134.533 ms 1 2259 0.16 MB/sec execute 78 sec latency 7134.752 ms 1 2259 0.16 MB/sec execute 79 sec latency 8135.052 ms 1 2259 0.16 MB/sec execute 80 sec latency 9135.315 ms 1 2259 0.16 MB/sec execute 81 sec latency 10135.996 ms 1 2259 0.15 MB/sec execute 82 sec latency 11136.224 ms 1 2259 0.15 MB/sec execute 83 sec latency 12136.979 ms 1 2259 0.15 MB/sec execute 84 sec latency 13137.328 ms 1 2259 0.15 MB/sec execute 85 sec latency 14139.302 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.15 MB/sec execute 86 sec latency 15139.853 ms 1 2259 0.15 MB/sec execute 87 sec latency 16140.225 ms 1 2259 0.14 MB/sec execute 88 sec latency 17140.573 ms 1 2259 0.14 MB/sec execute 89 sec latency 18142.141 ms 1 2259 0.14 MB/sec execute 90 sec latency 19142.656 ms 1 2259 0.14 MB/sec execute 91 sec latency 20142.869 ms 1 2259 0.14 MB/sec execute 92 sec latency 21143.139 ms oleg104-server: oleg104-server.virtnet: executing set_default_debug -1 all 1 2259 0.14 MB/sec execute 93 sec latency 22144.114 ms pdsh@oleg104-client: oleg104-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 94 sec latency 23146.389 ms Started lustre-MDT0001 02:10:40 (1788847840) targets are mounted 02:10:40 (1788847840) facet_failover done 1 2334 0.14 MB/sec execute 95 sec latency 23485.090 ms 1 2369 0.14 MB/sec execute 96 sec latency 79.215 ms 1 2406 0.14 MB/sec execute 97 sec latency 135.125 ms 1 2437 0.14 MB/sec execute 98 sec latency 181.514 ms 1 2473 0.15 MB/sec execute 99 sec latency 92.203 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec oleg104-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 363 119.386 23485.076 Close 313 123.603 34702.410 Rename 15 109.899 196.220 Unlink 37 29.772 75.444 Qpathinfo 336 15.755 109.365 Qfileinfo 93 2.264 32.813 Qfsinfo 42 4.343 29.695 Sfileinfo 47 65.318 166.693 Find 113 13.682 120.100 WriteX 332 13.663 80.753 ReadX 386 2.069 79.156 Flush 34 60.919 140.807 Throughput 0.146688 MB/sec 1 clients 1 procs max_latency=34702.433 ms stopping dbench on /mnt/lustre at Tue Sep 8 02:10:50 EDT 2026 with return code 0 mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H all_char /mnt/lustre2/d26.replay-dual/run_dbench UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2340 1268964 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2140 1269164 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 11720 3593904 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 10940 3595484 1% /mnt/lustre[OST:1] looking for dbench program /usr/bin/dbench found dbench client file /usr/share/dbench/client.txt filesystem_summary: 7666232 22660 7189388 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 8 02:11:02 EDT 2026 waiting for dbench pid 67898 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 0 8 0.00 MB/sec warmup 1 sec latency 43.720 ms 1 31 0.52 MB/sec warmup 2 sec latency 85.174 ms 1 71 1.04 MB/sec warmup 3 sec latency 228.291 ms 1 90 1.04 MB/sec warmup 4 sec latency 827.273 ms 1 90 0.84 MB/sec warmup 5 sec latency 1829.626 ms 1 94 0.70 MB/sec warmup 6 sec latency 2569.985 ms 1 118 0.77 MB/sec warmup 7 sec latency 317.017 ms 1 139 0.75 MB/sec warmup 8 sec latency 225.482 ms 1 171 0.78 MB/sec warmup 9 sec latency 190.199 ms test_26 fail mds1 3 times 1 184 0.74 MB/sec warmup 10 sec latency 495.081 ms 1 207 0.73 MB/sec warmup 11 sec latency 547.320 ms 1 231 0.74 MB/sec warmup 12 sec latency 247.917 ms Failing mds1 on oleg104-server 1 271 0.78 MB/sec warmup 13 sec latency 107.886 ms Stopping /mnt/lustre-mds1 (opts:) on oleg104-server 1 305 0.80 MB/sec warmup 14 sec latency 130.087 ms 1 323 0.78 MB/sec warmup 15 sec latency 458.005 ms 1 323 0.73 MB/sec warmup 16 sec latency 1458.643 ms 1 323 0.69 MB/sec warmup 17 sec latency 2460.211 ms 02:11:20 (1788847880) shut down facet: mds1 facet_host: oleg104-server facet_failover_host: oleg104-server 1 323 0.65 MB/sec warmup 18 sec latency 3460.440 ms 1 323 0.62 MB/sec warmup 19 sec latency 4460.916 ms 1 323 0.00 MB/sec execute 1 sec latency 6467.786 ms 1 323 0.00 MB/sec execute 2 sec latency 7469.594 ms 1 323 0.00 MB/sec execute 3 sec latency 8469.835 ms 1 323 0.00 MB/sec execute 4 sec latency 9472.381 ms 1 323 0.00 MB/sec execute 5 sec latency 10475.306 ms 1 323 0.00 MB/sec execute 6 sec latency 11475.521 ms 1 323 0.00 MB/sec execute 7 sec latency 12476.710 ms 1 323 0.00 MB/sec execute 8 sec latency 13477.082 ms Failover mds1 to oleg104-server mount facets: mds1 1 323 0.00 MB/sec execute 9 sec latency 14479.010 ms 1 323 0.00 MB/sec execute 10 sec latency 15479.208 ms 1 323 0.00 MB/sec execute 11 sec latency 16485.031 ms 1 323 0.00 MB/sec execute 12 sec latency 17485.230 ms 1 323 0.00 MB/sec execute 13 sec latency 18485.434 ms 1 323 0.00 MB/sec execute 14 sec latency 19485.618 ms 1 323 0.00 MB/sec execute 15 sec latency 20485.890 ms 1 323 0.00 MB/sec execute 16 sec latency 21486.065 ms 1 323 0.00 MB/sec execute 17 sec latency 22486.811 ms 1 323 0.00 MB/sec execute 18 sec latency 23487.743 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 323 0.00 MB/sec execute 19 sec latency 24489.520 ms 1 323 0.00 MB/sec execute 20 sec latency 25489.702 ms 1 323 0.00 MB/sec execute 21 sec latency 26490.148 ms 1 323 0.00 MB/sec execute 22 sec latency 27491.260 ms 1 323 0.00 MB/sec execute 23 sec latency 28491.476 ms 1 323 0.00 MB/sec execute 24 sec latency 29495.616 ms 1 323 0.00 MB/sec execute 25 sec latency 30495.835 ms 1 323 0.00 MB/sec execute 26 sec latency 31495.997 ms 1 323 0.00 MB/sec execute 27 sec latency 32500.468 ms 1 323 0.00 MB/sec execute 28 sec latency 33500.719 ms 1 323 0.00 MB/sec execute 29 sec latency 34503.330 ms 1 323 0.00 MB/sec execute 30 sec latency 35503.530 ms 1 323 0.00 MB/sec execute 31 sec latency 36503.771 ms oleg104-server: oleg104-server.virtnet: executing set_default_debug -1 all 1 323 0.00 MB/sec execute 32 sec latency 37503.923 ms 1 339 0.02 MB/sec execute 33 sec latency 38059.572 ms pdsh@oleg104-client: oleg104-server: ssh exited with exit code 1 1 369 0.04 MB/sec execute 34 sec latency 184.041 ms Started lustre-MDT0000 02:11:57 (1788847917) targets are mounted 02:11:57 (1788847917) facet_failover done 1 416 0.08 MB/sec execute 35 sec latency 161.575 ms 1 462 0.12 MB/sec execute 36 sec latency 176.099 ms 1 500 0.15 MB/sec execute 37 sec latency 207.035 ms 1 523 0.17 MB/sec execute 38 sec latency 178.891 ms 1 599 0.24 MB/sec execute 39 sec latency 160.479 ms 1 654 0.23 MB/sec execute 40 sec latency 124.318 ms 1 697 0.23 MB/sec execute 41 sec latency 93.301 ms oleg104-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 736 0.23 MB/sec execute 42 sec latency 131.562 ms 1 769 0.22 MB/sec execute 43 sec latency 218.475 ms 1 789 0.22 MB/sec execute 44 sec latency 159.498 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 808 0.22 MB/sec execute 45 sec latency 162.161 ms 1 851 0.21 MB/sec execute 46 sec latency 159.266 ms 1 873 0.21 MB/sec execute 47 sec latency 178.073 ms 1 902 0.21 MB/sec execute 48 sec latency 182.189 ms 1 928 0.20 MB/sec execute 49 sec latency 194.131 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 980 0.20 MB/sec execute 50 sec latency 102.377 ms 1 1035 0.22 MB/sec execute 51 sec latency 179.500 ms 1 1035 0.21 MB/sec execute 52 sec latency 1179.981 ms 1 1076 0.21 MB/sec execute 53 sec latency 1359.036 ms 1 1134 0.21 MB/sec execute 54 sec latency 85.949 ms 1 1188 0.20 MB/sec execute 55 sec latency 99.310 ms 1 1230 0.20 MB/sec execute 56 sec latency 251.733 ms 1 1273 0.20 MB/sec execute 57 sec latency 129.788 ms 1 1399 0.25 MB/sec execute 58 sec latency 106.534 ms 1 1446 0.24 MB/sec execute 59 sec latency 92.899 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 02:12:22 EDT 2026 with return code 0 1 1499 0.24 MB/sec execute 60 sec latency 99.089 ms 67898 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67898 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished