== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:39:25 (1788867565) Starting client oleg144-client.virtnet: -o user_xattr,flock 192.168.201.144@tcp:/lustre /mnt/lustre Started clients oleg144-client.virtnet: 192.168.201.144@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 65649 Started dbench loop with 65650 striped dir -i0 -c2 -H fnv_1a_64 /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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3605456 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 13832 3584872 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 15396 7190328 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 07:39:31 EDT 2026 waiting for dbench pid 65729 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 12 0.00 MB/sec warmup 1 sec latency 4.539 ms 1 71 1.57 MB/sec warmup 2 sec latency 145.427 ms 1 116 1.74 MB/sec warmup 3 sec latency 169.479 ms 1 147 1.56 MB/sec warmup 4 sec latency 138.671 ms 1 180 1.46 MB/sec warmup 5 sec latency 156.074 ms 1 190 1.26 MB/sec warmup 6 sec latency 565.310 ms 1 223 1.23 MB/sec warmup 7 sec latency 185.941 ms 1 263 1.24 MB/sec warmup 8 sec latency 129.017 ms 1 315 1.27 MB/sec warmup 9 sec latency 123.604 ms test_26 fail mds1 1 times 1 341 1.22 MB/sec warmup 10 sec latency 198.115 ms 1 373 1.21 MB/sec warmup 11 sec latency 171.010 ms Failing mds1 on oleg144-server 1 405 1.19 MB/sec warmup 12 sec latency 276.947 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 444 1.20 MB/sec warmup 13 sec latency 160.959 ms 1 468 1.17 MB/sec warmup 14 sec latency 421.890 ms 1 468 1.09 MB/sec warmup 15 sec latency 1423.045 ms 07:39:47 (1788867587) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 468 1.02 MB/sec warmup 16 sec latency 2423.363 ms 1 468 0.96 MB/sec warmup 17 sec latency 3423.957 ms 1 468 0.91 MB/sec warmup 18 sec latency 4424.199 ms 1 468 0.86 MB/sec warmup 19 sec latency 5424.450 ms 1 468 0.00 MB/sec execute 1 sec latency 7425.562 ms 1 468 0.00 MB/sec execute 2 sec latency 8425.812 ms 1 468 0.00 MB/sec execute 3 sec latency 9427.645 ms 1 468 0.00 MB/sec execute 4 sec latency 10429.727 ms 1 468 0.00 MB/sec execute 5 sec latency 11430.241 ms 1 468 0.00 MB/sec execute 6 sec latency 12430.502 ms Failover mds1 to oleg144-server mount facets: mds1 1 468 0.00 MB/sec execute 7 sec latency 13433.402 ms 1 468 0.00 MB/sec execute 8 sec latency 14433.779 ms 1 468 0.00 MB/sec execute 9 sec latency 15434.132 ms 1 468 0.00 MB/sec execute 10 sec latency 16434.427 ms 1 468 0.00 MB/sec execute 11 sec latency 17434.913 ms 1 468 0.00 MB/sec execute 12 sec latency 18437.923 ms 1 468 0.00 MB/sec execute 13 sec latency 19438.231 ms 1 468 0.00 MB/sec execute 14 sec latency 20438.821 ms 1 468 0.00 MB/sec execute 15 sec latency 21439.096 ms 1 468 0.00 MB/sec execute 16 sec latency 22439.377 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 23444.763 ms 1 468 0.00 MB/sec execute 18 sec latency 24445.055 ms 1 468 0.00 MB/sec execute 19 sec latency 25447.178 ms 1 468 0.00 MB/sec execute 20 sec latency 26448.853 ms 1 468 0.00 MB/sec execute 21 sec latency 27449.248 ms 1 468 0.00 MB/sec execute 22 sec latency 28450.406 ms 1 468 0.00 MB/sec execute 23 sec latency 29451.575 ms 1 468 0.00 MB/sec execute 24 sec latency 30452.270 ms 1 468 0.00 MB/sec execute 25 sec latency 31452.636 ms 1 468 0.00 MB/sec execute 26 sec latency 32452.884 ms 1 468 0.00 MB/sec execute 27 sec latency 33453.369 ms 1 468 0.00 MB/sec execute 28 sec latency 34454.114 ms 1 468 0.00 MB/sec execute 29 sec latency 35455.110 ms 1 468 0.00 MB/sec execute 30 sec latency 36455.359 ms 1 468 0.00 MB/sec execute 31 sec latency 37455.853 ms 1 468 0.00 MB/sec execute 32 sec latency 38457.482 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 468 0.00 MB/sec execute 33 sec latency 39474.242 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 468 0.00 MB/sec execute 34 sec latency 40474.493 ms 1 498 0.03 MB/sec execute 35 sec latency 40521.601 ms Started lustre-MDT0000 07:40:26 (1788867626) targets are mounted 07:40:27 (1788867627) facet_failover done 1 526 0.05 MB/sec execute 36 sec latency 233.384 ms 1 552 0.07 MB/sec execute 37 sec latency 658.773 ms 1 609 0.12 MB/sec execute 38 sec latency 672.897 ms 1 656 0.12 MB/sec execute 39 sec latency 117.893 ms 1 708 0.12 MB/sec execute 40 sec latency 78.247 ms 1 738 0.12 MB/sec execute 41 sec latency 118.235 ms 1 777 0.12 MB/sec execute 42 sec latency 105.079 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 808 0.12 MB/sec execute 43 sec latency 96.750 ms 1 851 0.12 MB/sec execute 44 sec latency 119.578 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 878 0.12 MB/sec execute 45 sec latency 136.082 ms 1 912 0.12 MB/sec execute 46 sec latency 142.500 ms 1 934 0.11 MB/sec execute 47 sec latency 131.870 ms 1 965 0.11 MB/sec execute 48 sec latency 189.015 ms 1 988 0.11 MB/sec execute 49 sec latency 123.216 ms 1 1045 0.13 MB/sec execute 50 sec latency 134.731 ms 1 1100 0.13 MB/sec execute 51 sec latency 83.986 ms 1 1145 0.13 MB/sec execute 52 sec latency 99.421 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2180 1269124 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1972 1269332 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 13536 3590988 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 41080 3563208 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 54616 7154196 1% /mnt/lustre 1 1172 0.12 MB/sec execute 53 sec latency 331.960 ms 1 1173 0.12 MB/sec execute 54 sec latency 1270.797 ms 1 1202 0.12 MB/sec execute 55 sec latency 167.652 ms 1 1231 0.12 MB/sec execute 56 sec latency 101.646 ms 1 1269 0.12 MB/sec execute 57 sec latency 93.298 ms 1 1397 0.17 MB/sec execute 58 sec latency 83.203 ms 1 1428 0.16 MB/sec execute 59 sec latency 112.476 ms 1 1465 0.16 MB/sec execute 60 sec latency 220.116 ms 1 1516 0.16 MB/sec execute 61 sec latency 88.611 ms 1 1567 0.16 MB/sec execute 62 sec latency 104.046 ms test_26 fail mds2 2 times 1 1605 0.15 MB/sec execute 63 sec latency 96.437 ms 1 1643 0.15 MB/sec execute 64 sec latency 129.552 ms Failing mds2 on oleg144-server 1 1684 0.15 MB/sec execute 65 sec latency 132.654 ms Stopping /mnt/lustre-mds2 (opts:) on oleg144-server 1 1723 0.15 MB/sec execute 66 sec latency 123.687 ms 1 1771 0.15 MB/sec execute 67 sec latency 184.998 ms 1 1814 0.15 MB/sec execute 68 sec latency 216.443 ms 1 1857 0.14 MB/sec execute 69 sec latency 117.924 ms 1 1902 0.14 MB/sec execute 70 sec latency 171.570 ms 07:41:02 (1788867662) shut down facet: mds2 facet_host: oleg144-server facet_failover_host: oleg144-server 1 1973 0.14 MB/sec execute 71 sec latency 97.912 ms 1 2046 0.14 MB/sec execute 72 sec latency 106.768 ms 1 2145 0.14 MB/sec execute 73 sec latency 48.195 ms 1 2185 0.14 MB/sec execute 74 sec latency 119.619 ms 1 2259 0.14 MB/sec execute 75 sec latency 287.667 ms 1 2259 0.14 MB/sec execute 76 sec latency 1288.556 ms 1 2259 0.13 MB/sec execute 77 sec latency 2291.940 ms 1 2259 0.13 MB/sec execute 78 sec latency 3294.109 ms 1 2259 0.13 MB/sec execute 79 sec latency 4294.476 ms 1 2259 0.13 MB/sec execute 80 sec latency 5294.844 ms Failover mds2 to oleg144-server mount facets: mds2 1 2259 0.13 MB/sec execute 81 sec latency 6299.083 ms 1 2259 0.13 MB/sec execute 82 sec latency 7299.372 ms 1 2259 0.12 MB/sec execute 83 sec latency 8299.903 ms 1 2259 0.12 MB/sec execute 84 sec latency 9300.253 ms 1 2259 0.12 MB/sec execute 85 sec latency 10300.685 ms 1 2259 0.12 MB/sec execute 86 sec latency 11301.915 ms 1 2259 0.12 MB/sec execute 87 sec latency 12302.200 ms 1 2259 0.12 MB/sec execute 88 sec latency 13303.363 ms 1 2259 0.12 MB/sec execute 89 sec latency 14304.104 ms 1 2259 0.11 MB/sec execute 90 sec latency 15309.559 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.11 MB/sec execute 91 sec latency 16314.008 ms 1 2259 0.11 MB/sec execute 92 sec latency 17314.344 ms 1 2259 0.11 MB/sec execute 93 sec latency 18314.687 ms 1 2259 0.11 MB/sec execute 94 sec latency 19316.097 ms 1 2259 0.11 MB/sec execute 95 sec latency 20319.233 ms 1 2259 0.11 MB/sec execute 96 sec latency 21319.793 ms 1 2259 0.11 MB/sec execute 97 sec latency 22320.199 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 2259 0.11 MB/sec execute 98 sec latency 23320.654 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 2259 0.10 MB/sec execute 99 sec latency 24320.830 ms Started lustre-MDT0001 07:41:31 (1788867691) targets are mounted 07:41:31 (1788867691) facet_failover done 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 0 cleanup 103 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 324 135.991 25535.010 Close 281 157.603 40521.570 Rename 11 88.189 142.472 Unlink 30 26.805 50.326 Qpathinfo 295 16.136 117.836 Qfileinfo 73 2.193 11.344 Qfsinfo 33 4.153 19.224 Sfileinfo 34 63.812 123.197 Find 92 14.525 100.893 WriteX 241 14.322 66.612 ReadX 348 3.539 122.272 Flush 30 47.715 120.761 Throughput 0.104463 MB/sec 1 clients 1 procs max_latency=40521.601 ms stopping dbench on /mnt/lustre at Tue Sep 8 07:41:34 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench oleg144-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 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 Tue Sep 8 07:41:43 EDT 2026 waiting for dbench pid 67808 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 11 0.00 MB/sec warmup 1 sec latency 3.336 ms 1 53 1.05 MB/sec warmup 2 sec latency 213.363 ms 1 111 1.74 MB/sec warmup 3 sec latency 181.436 ms 1 151 1.58 MB/sec warmup 4 sec latency 185.698 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2520 1268784 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2296 1269008 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3016 3603136 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 45496 3559712 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 48512 7162848 1% /mnt/lustre 1 181 1.46 MB/sec warmup 5 sec latency 183.247 ms 1 187 1.25 MB/sec warmup 6 sec latency 762.115 ms 1 208 1.16 MB/sec warmup 7 sec latency 229.358 ms 1 245 1.16 MB/sec warmup 8 sec latency 112.217 ms 1 277 1.15 MB/sec warmup 9 sec latency 157.236 ms 1 303 1.11 MB/sec warmup 10 sec latency 187.516 ms 1 335 1.09 MB/sec warmup 11 sec latency 161.010 ms 1 339 1.02 MB/sec warmup 12 sec latency 927.738 ms 1 347 0.96 MB/sec warmup 13 sec latency 1593.863 ms 1 381 0.97 MB/sec warmup 14 sec latency 139.679 ms 1 420 0.99 MB/sec warmup 15 sec latency 128.488 ms 1 464 1.01 MB/sec warmup 16 sec latency 120.102 ms test_26 fail mds1 3 times 1 501 1.03 MB/sec warmup 17 sec latency 131.215 ms 1 529 1.02 MB/sec warmup 18 sec latency 185.000 ms Failing mds1 on oleg144-server 1 609 1.10 MB/sec warmup 19 sec latency 139.729 ms Stopping /mnt/lustre-mds1 (opts:) on oleg144-server 1 674 0.02 MB/sec execute 1 sec latency 610.827 ms 1 674 0.01 MB/sec execute 2 sec latency 1611.180 ms 07:42:06 (1788867726) shut down facet: mds1 facet_host: oleg144-server facet_failover_host: oleg144-server 1 674 0.01 MB/sec execute 3 sec latency 2612.274 ms 1 674 0.01 MB/sec execute 4 sec latency 3612.544 ms 1 674 0.00 MB/sec execute 5 sec latency 4614.935 ms 1 674 0.00 MB/sec execute 6 sec latency 5615.237 ms 1 674 0.00 MB/sec execute 7 sec latency 6615.607 ms 1 674 0.00 MB/sec execute 8 sec latency 7615.963 ms 1 674 0.00 MB/sec execute 9 sec latency 8616.863 ms 1 674 0.00 MB/sec execute 10 sec latency 9618.228 ms 1 674 0.00 MB/sec execute 11 sec latency 10618.591 ms 1 674 0.00 MB/sec execute 12 sec latency 11618.868 ms 1 674 0.00 MB/sec execute 13 sec latency 12619.055 ms Failover mds1 to oleg144-server mount facets: mds1 1 674 0.00 MB/sec execute 14 sec latency 13619.404 ms 1 674 0.00 MB/sec execute 15 sec latency 14619.595 ms 1 674 0.00 MB/sec execute 16 sec latency 15624.179 ms 1 674 0.00 MB/sec execute 17 sec latency 16624.474 ms 1 674 0.00 MB/sec execute 18 sec latency 17625.422 ms 1 674 0.00 MB/sec execute 19 sec latency 18625.586 ms 1 674 0.00 MB/sec execute 20 sec latency 19629.429 ms 1 674 0.00 MB/sec execute 21 sec latency 20630.293 ms 1 674 0.00 MB/sec execute 22 sec latency 21640.991 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 674 0.00 MB/sec execute 23 sec latency 22642.490 ms 1 674 0.00 MB/sec execute 24 sec latency 23644.233 ms 1 674 0.00 MB/sec execute 25 sec latency 24644.634 ms 1 674 0.00 MB/sec execute 26 sec latency 25644.965 ms 1 674 0.00 MB/sec execute 27 sec latency 26645.879 ms 1 674 0.00 MB/sec execute 28 sec latency 27649.295 ms 1 674 0.00 MB/sec execute 29 sec latency 28649.524 ms 1 674 0.00 MB/sec execute 30 sec latency 29650.551 ms 1 674 0.00 MB/sec execute 31 sec latency 30650.926 ms 1 674 0.00 MB/sec execute 32 sec latency 31657.161 ms 1 674 0.00 MB/sec execute 33 sec latency 32659.919 ms 1 674 0.00 MB/sec execute 34 sec latency 33660.198 ms 1 674 0.00 MB/sec execute 35 sec latency 34660.449 ms oleg144-server: oleg144-server.virtnet: executing set_default_debug -1 all 1 674 0.00 MB/sec execute 36 sec latency 35660.806 ms pdsh@oleg144-client: oleg144-server: ssh exited with exit code 1 1 674 0.00 MB/sec execute 37 sec latency 36661.154 ms Started lustre-MDT0000 07:42:41 (1788867761) targets are mounted 07:42:41 (1788867761) facet_failover done 1 689 0.00 MB/sec execute 38 sec latency 37377.449 ms 1 723 0.00 MB/sec execute 39 sec latency 121.174 ms 1 759 0.00 MB/sec execute 40 sec latency 122.107 ms 1 796 0.01 MB/sec execute 41 sec latency 122.515 ms 1 821 0.01 MB/sec execute 42 sec latency 143.100 ms 1 867 0.01 MB/sec execute 43 sec latency 152.399 ms 1 884 0.01 MB/sec execute 44 sec latency 450.491 ms oleg144-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 884 0.01 MB/sec execute 45 sec latency 1452.639 ms 1 913 0.01 MB/sec execute 46 sec latency 1546.650 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 952 0.01 MB/sec execute 47 sec latency 118.124 ms 1 988 0.02 MB/sec execute 48 sec latency 97.350 ms 1 1076 0.04 MB/sec execute 49 sec latency 105.165 ms 1 1127 0.04 MB/sec execute 50 sec latency 123.496 ms 1 1156 0.04 MB/sec execute 51 sec latency 108.582 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1201 0.04 MB/sec execute 52 sec latency 75.206 ms 1 1242 0.04 MB/sec execute 53 sec latency 141.391 ms 1 1275 0.04 MB/sec execute 54 sec latency 195.864 ms 1 1405 0.09 MB/sec execute 55 sec latency 90.449 ms 1 1455 0.09 MB/sec execute 56 sec latency 108.574 ms 1 1491 0.09 MB/sec execute 57 sec latency 339.793 ms 1 1537 0.09 MB/sec execute 58 sec latency 87.450 ms 1 1564 0.08 MB/sec execute 59 sec latency 223.557 ms 1 1596 0.08 MB/sec execute 60 sec latency 82.068 ms 1 1646 0.08 MB/sec execute 61 sec latency 131.026 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Tue Sep 8 07:43:05 EDT 2026 with return code 0 1 1690 0.08 MB/sec execute 62 sec latency 137.182 ms 67808 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67808 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished