== replay-dual test 26: dbench and tar with mds failover ========================================================== 20:50:05 (1789606205) Starting client oleg237-client.virtnet: -o user_xattr,flock 192.168.202.137@tcp:/lustre /mnt/lustre Started clients oleg237-client.virtnet: 192.168.202.137@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 65687 Started dbench loop with 65688 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d26.replay-dual/run_tar striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre2/d26.replay-dual/run_dbench 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 1744 1269560 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 1564 3593020 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 1544 3605476 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 3108 7198496 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 Wed Sep 16 20:50:13 EDT 2026 waiting for dbench pid 65767 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 11 0.00 MB/sec warmup 1 sec latency 2.466 ms 1 51 1.05 MB/sec warmup 2 sec latency 192.546 ms 1 97 1.46 MB/sec warmup 3 sec latency 196.750 ms 1 129 1.44 MB/sec warmup 4 sec latency 225.181 ms 1 156 1.31 MB/sec warmup 5 sec latency 168.253 ms 1 184 1.23 MB/sec warmup 6 sec latency 135.284 ms 1 207 1.16 MB/sec warmup 7 sec latency 534.955 ms 1 255 1.21 MB/sec warmup 8 sec latency 112.105 ms test_26 fail mds1 1 times 1 289 1.19 MB/sec warmup 9 sec latency 144.117 ms 1 324 1.17 MB/sec warmup 10 sec latency 186.767 ms Failing mds1 on oleg237-server 1 356 1.16 MB/sec warmup 11 sec latency 150.485 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 386 1.14 MB/sec warmup 12 sec latency 175.548 ms 1 413 1.12 MB/sec warmup 13 sec latency 166.699 ms 1 413 1.04 MB/sec warmup 14 sec latency 1156.767 ms 1 413 0.97 MB/sec warmup 15 sec latency 2157.665 ms 20:50:29 (1789606229) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 413 0.91 MB/sec warmup 16 sec latency 3158.222 ms 1 413 0.86 MB/sec warmup 17 sec latency 4160.492 ms 1 413 0.81 MB/sec warmup 18 sec latency 5160.851 ms 1 413 0.77 MB/sec warmup 19 sec latency 6161.057 ms 1 413 0.00 MB/sec execute 1 sec latency 8161.415 ms 1 413 0.00 MB/sec execute 2 sec latency 9161.723 ms 1 413 0.00 MB/sec execute 3 sec latency 10161.927 ms 1 413 0.00 MB/sec execute 4 sec latency 11162.305 ms 1 413 0.00 MB/sec execute 5 sec latency 12162.511 ms 1 413 0.00 MB/sec execute 6 sec latency 13163.509 ms Failover mds1 to oleg237-server mount facets: mds1 1 413 0.00 MB/sec execute 7 sec latency 14163.718 ms 1 413 0.00 MB/sec execute 8 sec latency 15164.141 ms 1 413 0.00 MB/sec execute 9 sec latency 16165.350 ms 1 413 0.00 MB/sec execute 10 sec latency 17165.758 ms 1 413 0.00 MB/sec execute 11 sec latency 18167.233 ms 1 413 0.00 MB/sec execute 12 sec latency 19167.602 ms 1 413 0.00 MB/sec execute 13 sec latency 20168.022 ms 1 413 0.00 MB/sec execute 14 sec latency 21168.361 ms 1 413 0.00 MB/sec execute 15 sec latency 22170.772 ms 1 413 0.00 MB/sec execute 16 sec latency 23171.016 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 413 0.00 MB/sec execute 17 sec latency 24171.433 ms 1 413 0.00 MB/sec execute 18 sec latency 25171.686 ms 1 413 0.00 MB/sec execute 19 sec latency 26171.903 ms 1 413 0.00 MB/sec execute 20 sec latency 27172.550 ms 1 413 0.00 MB/sec execute 21 sec latency 28173.830 ms 1 413 0.00 MB/sec execute 22 sec latency 29174.116 ms 1 413 0.00 MB/sec execute 23 sec latency 30174.920 ms 1 413 0.00 MB/sec execute 24 sec latency 31175.248 ms 1 413 0.00 MB/sec execute 25 sec latency 32176.041 ms 1 413 0.00 MB/sec execute 26 sec latency 33176.240 ms 1 413 0.00 MB/sec execute 27 sec latency 34177.719 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 413 0.00 MB/sec execute 28 sec latency 35177.940 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 413 0.00 MB/sec execute 29 sec latency 36178.138 ms Started lustre-MDT0000 20:51:02 (1789606262) targets are mounted 20:51:02 (1789606262) facet_failover done 1 426 0.01 MB/sec execute 30 sec latency 36927.519 ms 1 467 0.06 MB/sec execute 31 sec latency 138.387 ms 1 501 0.09 MB/sec execute 32 sec latency 135.549 ms 1 532 0.12 MB/sec execute 33 sec latency 145.932 ms 1 552 0.13 MB/sec execute 34 sec latency 769.096 ms 1 607 0.18 MB/sec execute 35 sec latency 916.954 ms 1 651 0.18 MB/sec execute 36 sec latency 129.732 ms 1 678 0.18 MB/sec execute 37 sec latency 163.409 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 717 0.18 MB/sec execute 38 sec latency 128.783 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 749 0.17 MB/sec execute 39 sec latency 116.338 ms 1 779 0.17 MB/sec execute 40 sec latency 130.754 ms 1 803 0.17 MB/sec execute 41 sec latency 155.171 ms 1 851 0.17 MB/sec execute 42 sec latency 150.233 ms 1 882 0.16 MB/sec execute 43 sec latency 121.264 ms 1 918 0.16 MB/sec execute 44 sec latency 93.006 ms 1 957 0.16 MB/sec execute 45 sec latency 177.363 ms 1 983 0.16 MB/sec execute 46 sec latency 149.029 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2100 1269204 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 1916 1269388 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 40588 3561596 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 11908 3592160 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 52496 7153756 1% /mnt/lustre 1 1036 0.18 MB/sec execute 47 sec latency 111.131 ms 1 1080 0.17 MB/sec execute 48 sec latency 140.466 ms 1 1126 0.17 MB/sec execute 49 sec latency 99.856 ms 1 1163 0.17 MB/sec execute 50 sec latency 105.552 ms 1 1172 0.16 MB/sec execute 51 sec latency 834.105 ms 1 1198 0.16 MB/sec execute 52 sec latency 1086.153 ms 1 1233 0.16 MB/sec execute 53 sec latency 119.367 ms 1 1268 0.16 MB/sec execute 54 sec latency 144.965 ms 1 1388 0.21 MB/sec execute 55 sec latency 147.421 ms 1 1422 0.20 MB/sec execute 56 sec latency 97.943 ms 1 1481 0.20 MB/sec execute 57 sec latency 77.374 ms test_26 fail mds2 2 times 1 1513 0.20 MB/sec execute 58 sec latency 105.430 ms 1 1552 0.19 MB/sec execute 59 sec latency 132.784 ms Failing mds2 on oleg237-server 1 1570 0.19 MB/sec execute 60 sec latency 170.114 ms Stopping /mnt/lustre-mds2 (opts:) on oleg237-server 1 1608 0.19 MB/sec execute 61 sec latency 125.120 ms 1 1643 0.19 MB/sec execute 62 sec latency 129.715 ms 1 1686 0.18 MB/sec execute 63 sec latency 147.633 ms 1 1717 0.18 MB/sec execute 64 sec latency 302.566 ms 1 1758 0.18 MB/sec execute 65 sec latency 204.602 ms 1 1801 0.18 MB/sec execute 66 sec latency 184.208 ms 20:51:39 (1789606299) shut down facet: mds2 facet_host: oleg237-server facet_failover_host: oleg237-server 1 1832 0.18 MB/sec execute 67 sec latency 184.049 ms 1 1901 0.17 MB/sec execute 68 sec latency 94.094 ms 1 1965 0.17 MB/sec execute 69 sec latency 105.817 ms 1 2020 0.17 MB/sec execute 70 sec latency 125.565 ms 1 2131 0.17 MB/sec execute 71 sec latency 80.892 ms 1 2185 0.17 MB/sec execute 72 sec latency 77.173 ms 1 2259 0.17 MB/sec execute 73 sec latency 170.845 ms 1 2259 0.16 MB/sec execute 74 sec latency 1171.840 ms 1 2259 0.16 MB/sec execute 75 sec latency 2172.042 ms 1 2259 0.16 MB/sec execute 76 sec latency 3172.232 ms Failover mds2 to oleg237-server mount facets: mds2 1 2259 0.16 MB/sec execute 77 sec latency 4172.446 ms 1 2259 0.16 MB/sec execute 78 sec latency 5178.782 ms 1 2259 0.15 MB/sec execute 79 sec latency 6179.209 ms 1 2259 0.15 MB/sec execute 80 sec latency 7179.474 ms 1 2259 0.15 MB/sec execute 81 sec latency 8179.719 ms 1 2259 0.15 MB/sec execute 82 sec latency 9179.893 ms 1 2259 0.15 MB/sec execute 83 sec latency 10180.133 ms 1 2259 0.14 MB/sec execute 84 sec latency 11181.259 ms 1 2259 0.14 MB/sec execute 85 sec latency 12181.784 ms Start mds2: mount -t lustre -o localrecov /dev/mapper/mds2_flakey /mnt/lustre-mds2 1 2259 0.14 MB/sec execute 86 sec latency 13182.427 ms 1 2259 0.14 MB/sec execute 87 sec latency 14184.355 ms 1 2259 0.14 MB/sec execute 88 sec latency 15184.550 ms 1 2259 0.14 MB/sec execute 89 sec latency 16186.482 ms 1 2259 0.14 MB/sec execute 90 sec latency 17187.245 ms 1 2259 0.13 MB/sec execute 91 sec latency 18187.902 ms 1 2259 0.13 MB/sec execute 92 sec latency 19188.474 ms 1 2259 0.13 MB/sec execute 93 sec latency 20188.828 ms 1 2259 0.13 MB/sec execute 94 sec latency 21189.155 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 2259 0.13 MB/sec execute 95 sec latency 22196.790 ms 1 2259 0.13 MB/sec execute 96 sec latency 23197.388 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 2264 0.13 MB/sec execute 97 sec latency 24086.352 ms Started lustre-MDT0001 20:52:11 (1789606331) targets are mounted 20:52:11 (1789606331) facet_failover done 1 2327 0.13 MB/sec execute 98 sec latency 122.728 ms 1 2354 0.13 MB/sec execute 99 sec latency 135.172 ms 1 cleanup 100 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 341 238.247 36927.499 Close 297 13.502 62.628 Rename 12 110.397 302.534 Unlink 32 33.833 113.750 Qpathinfo 314 16.583 146.886 Qfileinfo 84 2.838 30.925 Qfsinfo 38 4.681 23.845 Sfileinfo 41 71.061 149.008 Find 105 14.484 50.933 WriteX 299 15.107 125.104 ReadX 379 2.575 80.034 Flush 32 64.022 163.385 Throughput 0.134039 MB/sec 1 clients 1 procs max_latency=36927.519 ms stopping dbench on /mnt/lustre at Wed Sep 16 20:52:17 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished oleg237-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 fnv_1a_64 /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 Wed Sep 16 20:52:26 EDT 2026 waiting for dbench pid 67896 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 23 0.59 MB/sec warmup 1 sec latency 26.243 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 2356 1268948 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 2132 1269172 1% /mnt/lustre[MDT:1] 1 71 1.57 MB/sec warmup 2 sec latency 103.617 ms lustre-OST0000_UUID 3833116 44688 3559392 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 2556 3604072 1% /mnt/lustre[OST:1] filesystem_summary: 7666232 47244 7163464 1% /mnt/lustre 1 111 1.75 MB/sec warmup 3 sec latency 197.931 ms 1 137 1.50 MB/sec warmup 4 sec latency 263.995 ms 1 165 1.36 MB/sec warmup 5 sec latency 208.800 ms 1 184 1.23 MB/sec warmup 6 sec latency 410.723 ms 1 207 1.16 MB/sec warmup 7 sec latency 531.463 ms 1 239 1.14 MB/sec warmup 8 sec latency 131.997 ms 1 272 1.13 MB/sec warmup 9 sec latency 183.797 ms 1 301 1.10 MB/sec warmup 10 sec latency 185.531 ms 1 331 1.09 MB/sec warmup 11 sec latency 144.782 ms 1 357 1.06 MB/sec warmup 12 sec latency 246.207 ms 1 396 1.08 MB/sec warmup 13 sec latency 149.668 ms test_26 fail mds1 3 times 1 436 1.10 MB/sec warmup 14 sec latency 109.161 ms 1 468 1.09 MB/sec warmup 15 sec latency 155.514 ms Failing mds1 on oleg237-server 1 503 1.09 MB/sec warmup 16 sec latency 154.825 ms 1 543 1.12 MB/sec warmup 17 sec latency 172.142 ms Stopping /mnt/lustre-mds1 (opts:) on oleg237-server 1 639 1.17 MB/sec warmup 18 sec latency 118.797 ms 1 649 1.11 MB/sec warmup 19 sec latency 703.259 ms 1 649 0.00 MB/sec execute 1 sec latency 2705.103 ms 20:52:47 (1789606367) shut down facet: mds1 facet_host: oleg237-server facet_failover_host: oleg237-server 1 649 0.00 MB/sec execute 2 sec latency 3707.181 ms 1 649 0.00 MB/sec execute 3 sec latency 4707.392 ms 1 649 0.00 MB/sec execute 4 sec latency 5707.574 ms 1 649 0.00 MB/sec execute 5 sec latency 6707.764 ms 1 649 0.00 MB/sec execute 6 sec latency 7708.107 ms 1 649 0.00 MB/sec execute 7 sec latency 8709.027 ms 1 649 0.00 MB/sec execute 8 sec latency 9709.286 ms 1 649 0.00 MB/sec execute 9 sec latency 10711.423 ms 1 649 0.00 MB/sec execute 10 sec latency 11711.704 ms 1 649 0.00 MB/sec execute 11 sec latency 12712.599 ms Failover mds1 to oleg237-server 1 649 0.00 MB/sec execute 12 sec latency 13720.154 ms mount facets: mds1 1 649 0.00 MB/sec execute 13 sec latency 14720.770 ms 1 649 0.00 MB/sec execute 14 sec latency 15721.974 ms 1 649 0.00 MB/sec execute 15 sec latency 16725.589 ms 1 649 0.00 MB/sec execute 16 sec latency 17728.442 ms 1 649 0.00 MB/sec execute 17 sec latency 18728.600 ms 1 649 0.00 MB/sec execute 18 sec latency 19731.096 ms 1 649 0.00 MB/sec execute 19 sec latency 20732.744 ms 1 649 0.00 MB/sec execute 20 sec latency 21733.191 ms 1 649 0.00 MB/sec execute 21 sec latency 22734.311 ms 1 649 0.00 MB/sec execute 22 sec latency 23734.849 ms 1 649 0.00 MB/sec execute 23 sec latency 24735.175 ms Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 1 649 0.00 MB/sec execute 24 sec latency 25735.895 ms 1 649 0.00 MB/sec execute 25 sec latency 26739.029 ms 1 649 0.00 MB/sec execute 26 sec latency 27739.451 ms 1 649 0.00 MB/sec execute 27 sec latency 28739.707 ms 1 649 0.00 MB/sec execute 28 sec latency 29740.663 ms 1 649 0.00 MB/sec execute 29 sec latency 30741.304 ms 1 649 0.00 MB/sec execute 30 sec latency 31742.459 ms 1 649 0.00 MB/sec execute 31 sec latency 32742.697 ms 1 649 0.00 MB/sec execute 32 sec latency 33746.996 ms 1 649 0.00 MB/sec execute 33 sec latency 34747.291 ms oleg237-server: oleg237-server.virtnet: executing set_default_debug -1 all 1 649 0.00 MB/sec execute 34 sec latency 35748.881 ms pdsh@oleg237-client: oleg237-server: ssh exited with exit code 1 1 649 0.00 MB/sec execute 35 sec latency 36749.079 ms Started lustre-MDT0000 20:53:22 (1789606402) targets are mounted 20:53:22 (1789606402) facet_failover done 1 651 0.00 MB/sec execute 36 sec latency 37726.801 ms 1 692 0.00 MB/sec execute 37 sec latency 96.639 ms 1 721 0.01 MB/sec execute 38 sec latency 108.180 ms 1 759 0.01 MB/sec execute 39 sec latency 148.259 ms 1 789 0.01 MB/sec execute 40 sec latency 124.937 ms 1 816 0.01 MB/sec execute 41 sec latency 133.196 ms 1 870 0.01 MB/sec execute 42 sec latency 111.412 ms 1 884 0.01 MB/sec execute 43 sec latency 560.260 ms oleg237-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 905 0.01 MB/sec execute 44 sec latency 867.954 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 926 0.02 MB/sec execute 45 sec latency 124.513 ms 1 970 0.02 MB/sec execute 46 sec latency 91.896 ms 1 999 0.02 MB/sec execute 47 sec latency 118.217 ms 1 1077 0.04 MB/sec execute 48 sec latency 59.436 ms 1 1127 0.04 MB/sec execute 49 sec latency 135.515 ms 1 1161 0.04 MB/sec execute 50 sec latency 149.594 ms 1 1214 0.04 MB/sec execute 51 sec latency 67.807 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 1252 0.04 MB/sec execute 52 sec latency 81.854 ms 1 1384 0.09 MB/sec execute 53 sec latency 76.985 ms 1 1421 0.09 MB/sec execute 54 sec latency 86.986 ms 1 1465 0.09 MB/sec execute 55 sec latency 94.627 ms 1 1492 0.09 MB/sec execute 56 sec latency 443.305 ms 1 1532 0.09 MB/sec execute 57 sec latency 103.611 ms 1 1570 0.09 MB/sec execute 58 sec latency 84.633 ms 1 1615 0.09 MB/sec execute 59 sec latency 74.066 ms 1 1651 0.09 MB/sec execute 60 sec latency 166.410 ms 1 1691 0.08 MB/sec execute 61 sec latency 102.810 ms 1 1744 0.08 MB/sec execute 62 sec latency 121.943 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Wed Sep 16 20:53:49 EDT 2026 with return code 0 1 1808 0.08 MB/sec execute 63 sec latency 77.088 ms 67896 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 67896 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished