== replay-dual test 26: dbench and tar with mds failover ========================================================== 07:32:57 (1789126377) Starting client oleg650-client.virtnet: -o user_xattr,flock 192.168.206.150@tcp:/lustre /mnt/lustre Started clients oleg650-client.virtnet: 192.168.206.150@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 65907 Started dbench loop with 65908 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 1940 1269364 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1756 1269548 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1568 3580656 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1548 3605472 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3116 7186128 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 Sep 11 07:33:02 EDT 2026 waiting for dbench pid 65973 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 34 1.05 MB/sec warmup 1 sec latency 97.864 ms 1 96 2.15 MB/sec warmup 2 sec latency 87.643 ms 1 136 2.00 MB/sec warmup 3 sec latency 184.967 ms 1 160 1.63 MB/sec warmup 4 sec latency 163.152 ms 1 187 1.50 MB/sec warmup 5 sec latency 428.355 ms 1 207 1.34 MB/sec warmup 6 sec latency 527.364 ms 1 256 1.37 MB/sec warmup 7 sec latency 103.604 ms 1 308 1.40 MB/sec warmup 8 sec latency 115.820 ms test_26 fail mds1 1 times 1 341 1.36 MB/sec warmup 9 sec latency 176.602 ms 1 373 1.33 MB/sec warmup 10 sec latency 226.386 ms Failing mds1 on oleg650-server 1 406 1.30 MB/sec warmup 11 sec latency 154.512 ms Stopping /mnt/lustre-mds1 (opts:) on oleg650-server 1 452 1.32 MB/sec warmup 12 sec latency 104.998 ms 1 477 1.28 MB/sec warmup 13 sec latency 436.987 ms 1 477 1.19 MB/sec warmup 14 sec latency 1438.715 ms 07:33:17 (1789126397) shut down 1 477 1.11 MB/sec warmup 15 sec latency 2438.931 ms facet: mds1 facet_host: oleg650-server facet_failover_host: oleg650-server 1 477 1.04 MB/sec warmup 16 sec latency 3439.718 ms 1 477 0.98 MB/sec warmup 17 sec latency 4440.150 ms 1 477 0.92 MB/sec warmup 18 sec latency 5440.695 ms 1 477 0.88 MB/sec warmup 19 sec latency 6449.343 ms 1 477 0.00 MB/sec execute 1 sec latency 8450.574 ms 1 477 0.00 MB/sec execute 2 sec latency 9452.450 ms 1 477 0.00 MB/sec execute 3 sec latency 10452.995 ms 1 477 0.00 MB/sec execute 4 sec latency 11453.272 ms 1 477 0.00 MB/sec execute 5 sec latency 12453.691 ms Failover mds1 to oleg650-server mount facets: mds1 1 477 0.00 MB/sec execute 6 sec latency 13454.044 ms 1 477 0.00 MB/sec execute 7 sec latency 14454.287 ms 1 477 0.00 MB/sec execute 8 sec latency 15456.827 ms 1 477 0.00 MB/sec execute 9 sec latency 16456.983 ms 1 477 0.00 MB/sec execute 10 sec latency 17457.210 ms 1 477 0.00 MB/sec execute 11 sec latency 18457.444 ms 1 477 0.00 MB/sec execute 12 sec latency 19457.904 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 477 0.00 MB/sec execute 13 sec latency 20458.140 ms 1 477 0.00 MB/sec execute 14 sec latency 21458.736 ms 1 477 0.00 MB/sec execute 15 sec latency 22458.916 ms 1 477 0.00 MB/sec execute 16 sec latency 23460.537 ms oleg650-server: oleg650-server.virtnet: executing set_default_debug -1 all 1 477 0.00 MB/sec execute 17 sec latency 24460.718 ms 1 477 0.00 MB/sec execute 18 sec latency 25460.963 ms pdsh@oleg650-client: oleg650-server: ssh exited with exit code 1 Started lustre-MDT0000 07:33:41 (1789126421) targets are mounted 07:33:41 (1789126421) facet_failover done 1 477 0.00 MB/sec execute 19 sec latency 26461.181 ms 1 477 0.00 MB/sec execute 20 sec latency 27463.268 ms 1 481 0.00 MB/sec execute 21 sec latency 28398.743 ms 1 516 0.05 MB/sec execute 22 sec latency 118.332 ms 1 552 0.10 MB/sec execute 23 sec latency 261.583 ms 1 603 0.18 MB/sec execute 24 sec latency 619.328 ms 1 649 0.17 MB/sec execute 25 sec latency 157.191 ms oleg650-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 676 0.17 MB/sec execute 26 sec latency 126.607 ms 1 702 0.17 MB/sec execute 27 sec latency 154.500 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 728 0.16 MB/sec execute 28 sec latency 173.283 ms 1 769 0.16 MB/sec execute 29 sec latency 112.866 ms 1 803 0.16 MB/sec execute 30 sec latency 161.721 ms 1 863 0.16 MB/sec execute 31 sec latency 74.349 ms 1 888 0.16 MB/sec execute 32 sec latency 150.847 ms 1 935 0.15 MB/sec execute 33 sec latency 82.278 ms 1 970 0.15 MB/sec execute 34 sec latency 142.077 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1908 1269396 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 33992 3568820 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 20768 3581312 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 54760 7150132 1% /mnt/lustre 1 994 0.15 MB/sec execute 35 sec latency 131.922 ms 1 1064 0.17 MB/sec execute 36 sec latency 83.311 ms 1 1124 0.17 MB/sec execute 37 sec latency 113.327 ms 1 1155 0.17 MB/sec execute 38 sec latency 114.107 ms 1 1172 0.16 MB/sec execute 39 sec latency 616.020 ms 1 1193 0.16 MB/sec execute 40 sec latency 1073.321 ms 1 1230 0.16 MB/sec execute 41 sec latency 119.853 ms 1 1268 0.15 MB/sec execute 42 sec latency 172.135 ms 1 1394 0.22 MB/sec execute 43 sec latency 98.834 ms 1 1445 0.21 MB/sec execute 44 sec latency 102.144 ms test_26 fail mds2 2 times 1 1492 0.21 MB/sec execute 45 sec latency 147.508 ms 1 1534 0.20 MB/sec execute 46 sec latency 113.383 ms Failing mds2 on oleg650-server Stopping /mnt/lustre-mds2 (opts:) on oleg650-server 1 1580 0.20 MB/sec execute 47 sec latency 102.496 ms 1 1618 0.20 MB/sec execute 48 sec latency 103.824 ms 1 1660 0.19 MB/sec execute 49 sec latency 84.857 ms 1 1699 0.19 MB/sec execute 50 sec latency 121.893 ms 07:34:13 (1789126453) shut down facet: mds2 facet_host: oleg650-server facet_failover_host: oleg650-server 1 1775 0.19 MB/sec execute 51 sec latency 114.059 ms 1 1845 0.19 MB/sec execute 52 sec latency 85.029 ms 1 1909 0.18 MB/sec execute 53 sec latency 140.103 ms 1 2000 0.18 MB/sec execute 54 sec latency 71.000 ms 1 2071 0.18 MB/sec execute 55 sec latency 84.460 ms 1 2150 0.18 MB/sec execute 56 sec latency 84.012 ms 1 2204 0.18 MB/sec execute 57 sec latency 91.929 ms 1 2259 0.17 MB/sec execute 58 sec latency 552.676 ms 1 2259 0.17 MB/sec execute 59 sec latency 1554.048 ms 1 2259 0.17 MB/sec execute 60 sec latency 2554.297 ms Failover mds2 to oleg650-server mount facets: mds2 1 2259 0.17 MB/sec execute 61 sec latency 3555.388 ms 1 2259 0.16 MB/sec execute 62 sec latency 4555.594 ms 1 2259 0.16 MB/sec execute 63 sec latency 5556.063 ms 1 2259 0.16 MB/sec execute 64 sec latency 6557.357 ms 1 2259 0.16 MB/sec execute 65 sec latency 7557.604 ms 1 2259 0.15 MB/sec execute 66 sec latency 8557.783 ms 1 2259 0.15 MB/sec execute 67 sec latency 9558.287 ms 1 2259 0.15 MB/sec execute 68 sec latency 10559.489 ms 1 2259 0.15 MB/sec execute 69 sec latency 11559.687 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 70 sec latency 12559.904 ms 1 2259 0.14 MB/sec execute 71 sec latency 13560.713 ms 1 2259 0.14 MB/sec execute 72 sec latency 14560.892 ms 1 2259 0.14 MB/sec execute 73 sec latency 15562.380 ms 1 2259 0.14 MB/sec execute 74 sec latency 16562.586 ms 1 2259 0.13 MB/sec execute 75 sec latency 17562.871 ms 1 2259 0.13 MB/sec execute 76 sec latency 18563.124 ms oleg650-server: oleg650-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 77 sec latency 19563.277 ms pdsh@oleg650-client: oleg650-server: ssh exited with exit code 1 1 2259 0.13 MB/sec execute 78 sec latency 20568.423 ms Started lustre-MDT0001 1 2259 0.13 MB/sec execute 79 sec latency 21569.814 ms 07:34:41 (1789126481) targets are mounted 07:34:41 (1789126481) facet_failover done 1 2336 0.14 MB/sec execute 80 sec latency 21880.520 ms 1 2376 0.14 MB/sec execute 81 sec latency 81.691 ms 1 2418 0.14 MB/sec execute 82 sec latency 109.590 ms 1 2462 0.14 MB/sec execute 83 sec latency 81.563 ms 1 2555 0.15 MB/sec execute 84 sec latency 107.988 ms 1 2592 0.14 MB/sec execute 85 sec latency 101.921 ms oleg650-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 2723 0.18 MB/sec execute 86 sec latency 100.791 ms 1 2785 0.18 MB/sec execute 87 sec latency 153.083 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2922 0.19 MB/sec execute 88 sec latency 83.217 ms 1 2996 0.19 MB/sec execute 89 sec latency 68.687 ms 1 3190 0.19 MB/sec execute 90 sec latency 95.769 ms 1 3275 0.20 MB/sec execute 91 sec latency 108.024 ms 1 3362 0.20 MB/sec execute 92 sec latency 89.496 ms 1 3501 0.23 MB/sec execute 93 sec latency 89.898 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2344 1268960 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2144 1269160 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 37948 3565908 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 31272 3575188 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 69220 7141096 1% /mnt/lustre 1 3559 0.23 MB/sec execute 94 sec latency 109.242 ms 1 3626 0.23 MB/sec execute 95 sec latency 87.058 ms 1 3684 0.23 MB/sec execute 96 sec latency 72.267 ms 1 3724 0.23 MB/sec execute 97 sec latency 102.813 ms 1 3784 0.24 MB/sec execute 98 sec latency 111.864 ms 1 3828 0.23 MB/sec execute 99 sec latency 118.365 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec test_26 fail mds1 3 times 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 531 142.527 28398.727 Close 423 11.104 47.004 Rename 26 83.565 172.117 Unlink 75 21.791 51.440 Qpathinfo 497 14.992 94.795 Qfileinfo 116 1.867 15.876 Qfsinfo 94 2.516 23.061 Sfileinfo 50 58.460 139.012 Find 193 10.181 46.933 WriteX 383 13.329 89.481 ReadX 953 1.157 140.079 LockX 2 4.819 5.316 UnlockX 2 12.893 15.280 Flush 43 60.255 173.271 Throughput 0.232821 MB/sec 1 clients 1 procs max_latency=28398.743 ms stopping dbench on /mnt/lustre at Fri Sep 11 07:35:06 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished Failing mds1 on oleg650-server Stopping /mnt/lustre-mds1 (opts:) on oleg650-server striped dir -i0 -c2 -H crush /mnt/lustre2/d26.replay-dual/run_dbench 07:35:17 (1789126517) shut down facet: mds1 facet_host: oleg650-server facet_failover_host: oleg650-server Failover mds1 to oleg650-server mount facets: mds1 Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg650-server: oleg650-server.virtnet: executing set_default_debug -1 all pdsh@oleg650-client: oleg650-server: ssh exited with exit code 1 Started lustre-MDT0000 07:35:54 (1789126554) targets are mounted 07:35:54 (1789126554) facet_failover done 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 Sep 11 07:35:58 EDT 2026 waiting for dbench pid 68743 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 24 0.66 MB/sec warmup 1 sec latency 18.557 ms 1 72 1.57 MB/sec warmup 2 sec latency 176.164 ms 1 113 1.75 MB/sec warmup 3 sec latency 246.231 ms oleg650-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 137 1.50 MB/sec warmup 4 sec latency 340.044 ms 1 160 1.31 MB/sec warmup 5 sec latency 435.210 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 184 1.23 MB/sec warmup 6 sec latency 370.256 ms 1 215 1.19 MB/sec warmup 7 sec latency 471.928 ms 1 248 1.17 MB/sec warmup 8 sec latency 165.669 ms 1 297 1.22 MB/sec warmup 9 sec latency 121.499 ms 1 339 1.22 MB/sec warmup 10 sec latency 131.874 ms 1 373 1.21 MB/sec warmup 11 sec latency 148.098 ms 1 413 1.22 MB/sec warmup 12 sec latency 121.063 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2856 1268448 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2624 1268680 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 3352 3603376 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 52012 3547292 2% /mnt/lustre[OST:1] filesystem_summary: 7666232 55364 7150668 1% /mnt/lustre 1 450 1.21 MB/sec warmup 13 sec latency 160.933 ms 1 492 1.23 MB/sec warmup 14 sec latency 113.608 ms 1 522 1.20 MB/sec warmup 15 sec latency 122.035 ms 1 606 1.31 MB/sec warmup 16 sec latency 136.408 ms 1 674 1.24 MB/sec warmup 17 sec latency 86.194 ms 1 710 1.18 MB/sec warmup 18 sec latency 97.309 ms 1 740 1.12 MB/sec warmup 19 sec latency 119.063 ms 1 848 0.12 MB/sec execute 1 sec latency 127.570 ms test_26 fail mds2 4 times 1 882 0.11 MB/sec execute 2 sec latency 114.978 ms 1 884 0.07 MB/sec execute 3 sec latency 932.847 ms Failing mds2 on oleg650-server 1 892 0.06 MB/sec execute 4 sec latency 1501.245 ms Stopping /mnt/lustre-mds2 (opts:) on oleg650-server 1 921 0.06 MB/sec execute 5 sec latency 117.030 ms 1 969 0.06 MB/sec execute 6 sec latency 86.965 ms 1 995 0.07 MB/sec execute 7 sec latency 353.517 ms 1 995 0.06 MB/sec execute 8 sec latency 1353.745 ms 1 995 0.05 MB/sec execute 9 sec latency 2355.365 ms 1 995 0.05 MB/sec execute 10 sec latency 3355.549 ms 1 995 0.04 MB/sec execute 11 sec latency 4356.000 ms 1 995 0.04 MB/sec execute 12 sec latency 5356.843 ms 1 995 0.04 MB/sec execute 13 sec latency 6357.009 ms 07:36:32 (1789126592) shut down facet: mds2 facet_host: oleg650-server facet_failover_host: oleg650-server 1 995 0.03 MB/sec execute 14 sec latency 7357.737 ms 1 995 0.03 MB/sec execute 15 sec latency 8358.474 ms 1 995 0.03 MB/sec execute 16 sec latency 9358.801 ms 1 995 0.03 MB/sec execute 17 sec latency 10358.993 ms 1 995 0.03 MB/sec execute 18 sec latency 11359.131 ms 1 995 0.02 MB/sec execute 19 sec latency 12359.433 ms 1 995 0.02 MB/sec execute 20 sec latency 13359.612 ms 1 995 0.02 MB/sec execute 21 sec latency 14359.941 ms 1 995 0.02 MB/sec execute 22 sec latency 15360.791 ms 1 995 0.02 MB/sec execute 23 sec latency 16360.966 ms Failover mds2 to oleg650-server mount facets: mds2 1 995 0.02 MB/sec execute 24 sec latency 17361.267 ms 1 995 0.02 MB/sec execute 25 sec latency 18361.442 ms 1 995 0.02 MB/sec execute 26 sec latency 19361.825 ms 1 995 0.02 MB/sec execute 27 sec latency 20362.613 ms 1 995 0.02 MB/sec execute 28 sec latency 21362.764 ms 1 995 0.02 MB/sec execute 29 sec latency 22365.839 ms 1 995 0.02 MB/sec execute 30 sec latency 23366.566 ms 1 995 0.01 MB/sec execute 31 sec latency 24366.765 ms 1 995 0.01 MB/sec execute 32 sec latency 25366.969 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 995 0.01 MB/sec execute 33 sec latency 26367.150 ms 1 995 0.01 MB/sec execute 34 sec latency 27367.900 ms 1 995 0.01 MB/sec execute 35 sec latency 28368.040 ms 1 995 0.01 MB/sec execute 36 sec latency 29368.840 ms 1 995 0.01 MB/sec execute 37 sec latency 30369.017 ms 1 995 0.01 MB/sec execute 38 sec latency 31370.020 ms oleg650-server: oleg650-server.virtnet: executing set_default_debug -1 all 1 995 0.01 MB/sec execute 39 sec latency 32372.085 ms pdsh@oleg650-client: oleg650-server: ssh exited with exit code 1 1 995 0.01 MB/sec execute 40 sec latency 33372.944 ms Started lustre-MDT0001 07:36:59 (1789126619) targets are mounted 07:36:59 (1789126619) facet_failover done 1 1009 0.02 MB/sec execute 41 sec latency 33909.456 ms 1 1074 0.04 MB/sec execute 42 sec latency 177.068 ms 1 1139 0.04 MB/sec execute 43 sec latency 87.284 ms 1 1193 0.04 MB/sec execute 44 sec latency 96.052 ms 1 1242 0.04 MB/sec execute 45 sec latency 72.690 ms 1 1281 0.04 MB/sec execute 46 sec latency 128.092 ms oleg650-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0 1 1410 0.10 MB/sec execute 47 sec latency 96.543 ms 1 1461 0.10 MB/sec execute 48 sec latency 118.635 ms mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1493 0.09 MB/sec execute 49 sec latency 307.006 ms 1 1544 0.09 MB/sec execute 50 sec latency 99.571 ms 1 1609 0.09 MB/sec execute 51 sec latency 96.208 ms 1 1660 0.09 MB/sec execute 52 sec latency 129.108 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1721 0.09 MB/sec execute 53 sec latency 86.746 ms 1 1813 0.09 MB/sec execute 54 sec latency 68.221 ms 1 1877 0.09 MB/sec execute 55 sec latency 81.988 ms 1 1963 0.09 MB/sec execute 56 sec latency 119.858 ms 1 2010 0.09 MB/sec execute 57 sec latency 104.972 ms 1 2088 0.09 MB/sec execute 58 sec latency 73.165 ms 1 2152 0.09 MB/sec execute 59 sec latency 113.339 ms 1 2185 0.09 MB/sec execute 60 sec latency 140.914 ms 1 2264 0.09 MB/sec execute 61 sec latency 106.052 ms 1 2350 0.10 MB/sec execute 62 sec latency 104.254 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Sep 11 07:37:21 EDT 2026 with return code 0 1 2395 0.10 MB/sec execute 63 sec latency 78.778 ms 68743 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 68743 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished