== replay-dual test 26: dbench and tar with mds failover ========================================================== 17:50:56 (1787435456) Starting client oleg136-client.virtnet: -o user_xattr,flock 192.168.201.136@tcp:/lustre /mnt/lustre Started clients oleg136-client.virtnet: 192.168.201.136@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 45168 Started dbench loop with 45170 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 2210560 2048 2206464 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 2048 3762176 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 23552 3725312 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 25600 7487488 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 Aug 22 17:51:02 EDT 2026 waiting for dbench pid 45230 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 31 1.05 MB/sec warmup 1 sec latency 81.447 ms 1 75 1.60 MB/sec warmup 2 sec latency 160.820 ms 1 121 1.83 MB/sec warmup 3 sec latency 209.758 ms 1 157 1.63 MB/sec warmup 4 sec latency 123.266 ms 1 219 1.68 MB/sec warmup 5 sec latency 134.782 ms test_26 fail mds1 1 times 1 269 1.68 MB/sec warmup 6 sec latency 126.632 ms 1 297 1.56 MB/sec warmup 7 sec latency 185.435 ms Failing mds1 on oleg136-server 1 324 1.47 MB/sec warmup 8 sec latency 138.676 ms Stopping /mnt/lustre-mds1 (opts:) on oleg136-server 1 365 1.45 MB/sec warmup 9 sec latency 116.968 ms 1 365 1.30 MB/sec warmup 10 sec latency 1044.683 ms 1 365 1.18 MB/sec warmup 11 sec latency 2044.909 ms 17:51:15 (1787435475) shut down 1 365 1.09 MB/sec warmup 12 sec latency 3045.106 ms facet: mds1 facet_host: oleg136-server facet_failover_host: oleg136-server 1 365 1.00 MB/sec warmup 13 sec latency 4045.298 ms 1 365 0.93 MB/sec warmup 14 sec latency 5045.848 ms 1 365 0.87 MB/sec warmup 15 sec latency 6046.072 ms 1 365 0.81 MB/sec warmup 16 sec latency 7051.320 ms 1 365 0.77 MB/sec warmup 17 sec latency 8053.630 ms 1 365 0.72 MB/sec warmup 18 sec latency 9055.355 ms 1 365 0.69 MB/sec warmup 19 sec latency 10055.551 ms 1 365 0.00 MB/sec execute 1 sec latency 12055.982 ms 1 365 0.00 MB/sec execute 2 sec latency 13056.186 ms Failover mds1 to oleg136-server mount facets: mds1 1 365 0.00 MB/sec execute 3 sec latency 14056.574 ms 1 365 0.00 MB/sec execute 4 sec latency 15060.461 ms 1 365 0.00 MB/sec execute 5 sec latency 16060.663 ms 1 365 0.00 MB/sec execute 6 sec latency 17061.346 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 365 0.00 MB/sec execute 7 sec latency 18061.511 ms 1 365 0.00 MB/sec execute 8 sec latency 19061.737 ms 1 365 0.00 MB/sec execute 9 sec latency 20061.938 ms 1 365 0.00 MB/sec execute 10 sec latency 21062.442 ms 1 365 0.00 MB/sec execute 11 sec latency 22062.860 ms 1 365 0.00 MB/sec execute 12 sec latency 23063.098 ms 1 365 0.00 MB/sec execute 13 sec latency 24063.340 ms 1 365 0.00 MB/sec execute 14 sec latency 25064.717 ms 1 365 0.00 MB/sec execute 15 sec latency 26065.067 ms 1 365 0.00 MB/sec execute 16 sec latency 27065.400 ms 1 365 0.00 MB/sec execute 17 sec latency 28066.788 ms 1 365 0.00 MB/sec execute 18 sec latency 29067.195 ms 1 365 0.00 MB/sec execute 19 sec latency 30067.451 ms 1 365 0.00 MB/sec execute 20 sec latency 31067.663 ms 1 365 0.00 MB/sec execute 21 sec latency 32067.944 ms 1 365 0.00 MB/sec execute 22 sec latency 33068.889 ms oleg136-server: oleg136-server.virtnet: executing set_default_debug -1 all 1 365 0.00 MB/sec execute 23 sec latency 34069.139 ms pdsh@oleg136-client: oleg136-server: ssh exited with exit code 1 1 365 0.00 MB/sec execute 24 sec latency 35069.626 ms Started lustre-MDT0000 17:51:47 (1787435507) targets are mounted 17:51:47 (1787435507) facet_failover done 1 365 0.00 MB/sec execute 25 sec latency 36069.903 ms 1 365 0.00 MB/sec execute 26 sec latency 37070.133 ms 1 365 0.00 MB/sec execute 27 sec latency 38070.776 ms 1 365 0.00 MB/sec execute 28 sec latency 39071.017 ms 1 365 0.00 MB/sec execute 29 sec latency 40073.600 ms 1 365 0.00 MB/sec execute 30 sec latency 41075.247 ms 1 365 0.00 MB/sec execute 31 sec latency 42076.421 ms 1 368 0.00 MB/sec execute 32 sec latency 43032.262 ms 1 395 0.03 MB/sec execute 33 sec latency 177.638 ms 1 429 0.06 MB/sec execute 34 sec latency 138.007 ms 1 461 0.09 MB/sec execute 35 sec latency 148.384 ms 1 501 0.12 MB/sec execute 36 sec latency 168.336 ms 1 537 0.16 MB/sec execute 37 sec latency 171.682 ms oleg136-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 607 0.21 MB/sec execute 38 sec latency 115.174 ms 1 652 0.21 MB/sec execute 39 sec latency 128.029 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 673 0.20 MB/sec execute 40 sec latency 302.924 ms 1 700 0.20 MB/sec execute 41 sec latency 147.694 ms 1 730 0.20 MB/sec execute 42 sec latency 208.407 ms 1 767 0.19 MB/sec execute 43 sec latency 103.935 ms 1 796 0.19 MB/sec execute 44 sec latency 131.280 ms 1 854 0.19 MB/sec execute 45 sec latency 82.165 ms 1 888 0.19 MB/sec execute 46 sec latency 184.802 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 13312 3703808 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 36864 3700736 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 50176 7404544 1% /mnt/lustre 1 913 0.19 MB/sec execute 47 sec latency 151.944 ms 1 938 0.18 MB/sec execute 48 sec latency 258.859 ms 1 969 0.18 MB/sec execute 49 sec latency 134.209 ms 1 988 0.18 MB/sec execute 50 sec latency 210.153 ms 1 1051 0.19 MB/sec execute 51 sec latency 135.767 ms 1 1104 0.19 MB/sec execute 52 sec latency 101.833 ms test_26 fail mds1 2 times 1 1163 0.19 MB/sec execute 53 sec latency 84.218 ms 1 1200 0.19 MB/sec execute 54 sec latency 115.503 ms Failing mds1 on oleg136-server 1 1233 0.18 MB/sec execute 55 sec latency 107.703 ms Stopping /mnt/lustre-mds1 (opts:) on oleg136-server 1 1263 0.18 MB/sec execute 56 sec latency 269.821 ms 1 1389 0.23 MB/sec execute 57 sec latency 99.863 ms 1 1389 0.22 MB/sec execute 58 sec latency 1016.815 ms 1 1389 0.22 MB/sec execute 59 sec latency 2018.534 ms 17:52:22 (1787435542) shut down facet: mds1 facet_host: oleg136-server facet_failover_host: oleg136-server 1 1389 0.22 MB/sec execute 60 sec latency 3019.730 ms 1 1389 0.21 MB/sec execute 61 sec latency 4020.365 ms 1 1389 0.21 MB/sec execute 62 sec latency 5020.639 ms 1 1389 0.21 MB/sec execute 63 sec latency 6021.123 ms 1 1389 0.20 MB/sec execute 64 sec latency 7021.496 ms 1 1389 0.20 MB/sec execute 65 sec latency 8021.812 ms 1 1389 0.20 MB/sec execute 66 sec latency 9025.003 ms 1 1389 0.19 MB/sec execute 67 sec latency 10025.538 ms 1 1389 0.19 MB/sec execute 68 sec latency 11026.323 ms 1 1389 0.19 MB/sec execute 69 sec latency 12027.056 ms 1 1389 0.18 MB/sec execute 70 sec latency 13027.208 ms Failover mds1 to oleg136-server mount facets: mds1 1 1389 0.18 MB/sec execute 71 sec latency 14029.289 ms 1 1389 0.18 MB/sec execute 72 sec latency 15029.525 ms 1 1389 0.18 MB/sec execute 73 sec latency 16038.969 ms 1 1389 0.17 MB/sec execute 74 sec latency 17039.177 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1389 0.17 MB/sec execute 75 sec latency 18039.374 ms 1 1389 0.17 MB/sec execute 76 sec latency 19039.772 ms 1 1389 0.17 MB/sec execute 77 sec latency 20041.759 ms 1 1389 0.17 MB/sec execute 78 sec latency 21042.345 ms 1 1389 0.16 MB/sec execute 79 sec latency 22043.116 ms 1 1389 0.16 MB/sec execute 80 sec latency 23043.361 ms 1 1389 0.16 MB/sec execute 81 sec latency 24043.948 ms 1 1389 0.16 MB/sec execute 82 sec latency 25044.176 ms 1 1389 0.16 MB/sec execute 83 sec latency 26044.386 ms 1 1389 0.15 MB/sec execute 84 sec latency 27045.179 ms 1 1389 0.15 MB/sec execute 85 sec latency 28045.612 ms 1 1389 0.15 MB/sec execute 86 sec latency 29047.575 ms 1 1389 0.15 MB/sec execute 87 sec latency 30047.932 ms 1 1389 0.15 MB/sec execute 88 sec latency 31048.777 ms 1 1389 0.15 MB/sec execute 89 sec latency 32049.076 ms 1 1389 0.14 MB/sec execute 90 sec latency 33049.361 ms oleg136-server: oleg136-server.virtnet: executing set_default_debug -1 all 1 1389 0.14 MB/sec execute 91 sec latency 34049.877 ms pdsh@oleg136-client: oleg136-server: ssh exited with exit code 1 1 1389 0.14 MB/sec execute 92 sec latency 35050.166 ms Started lustre-MDT0000 17:52:55 (1787435575) targets are mounted 17:52:55 (1787435575) facet_failover done 1 1389 0.14 MB/sec execute 93 sec latency 36053.587 ms 1 1389 0.14 MB/sec execute 94 sec latency 37054.043 ms 1 1389 0.14 MB/sec execute 95 sec latency 38054.917 ms 1 1389 0.13 MB/sec execute 96 sec latency 39056.860 ms 1 1389 0.13 MB/sec execute 97 sec latency 40057.190 ms 1 1405 0.13 MB/sec execute 98 sec latency 40603.526 ms 1 1451 0.13 MB/sec execute 99 sec latency 97.811 ms 1 cleanup 100 sec 1 cleanup 101 sec oleg136-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 cleanup 102 sec 1 cleanup 103 sec 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 159 595.060 43032.248 Close 142 14.335 59.209 Rename 10 116.014 269.793 Unlink 19 27.597 47.212 Qpathinfo 110 20.943 100.340 Qfileinfo 56 2.600 11.656 Qfsinfo 33 4.750 50.295 Sfileinfo 34 57.612 102.901 Find 50 7.618 88.809 WriteX 245 14.166 67.613 ReadX 231 3.358 82.246 Flush 24 117.251 302.907 Throughput 0.130883 MB/sec 1 clients 1 procs max_latency=43032.262 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec stopping dbench on /mnt/lustre at Sat Aug 22 17:53:07 EDT 2026 with return code 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished 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 Aug 22 17:53:13 EDT 2026 waiting for dbench pid 47235 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 37888 3699712 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 43008 3703808 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 80896 7403520 2% /mnt/lustre 0 11 0.00 MB/sec warmup 1 sec latency 19.948 ms 1 55 1.08 MB/sec warmup 2 sec latency 149.462 ms 1 91 1.39 MB/sec warmup 3 sec latency 202.544 ms 1 121 1.37 MB/sec warmup 4 sec latency 246.139 ms 1 143 1.22 MB/sec warmup 5 sec latency 183.446 ms 1 173 1.18 MB/sec warmup 6 sec latency 224.023 ms 1 207 1.16 MB/sec warmup 7 sec latency 193.480 ms test_26 fail mds1 3 times 1 259 1.21 MB/sec warmup 8 sec latency 97.979 ms 1 289 1.19 MB/sec warmup 9 sec latency 178.810 ms 1 315 1.15 MB/sec warmup 10 sec latency 264.982 ms Failing mds1 on oleg136-server 1 341 1.11 MB/sec warmup 11 sec latency 193.229 ms Stopping /mnt/lustre-mds1 (opts:) on oleg136-server 1 371 1.10 MB/sec warmup 12 sec latency 168.474 ms 1 403 1.10 MB/sec warmup 13 sec latency 177.374 ms 1 412 1.04 MB/sec warmup 14 sec latency 832.065 ms 1 412 0.97 MB/sec warmup 15 sec latency 1832.291 ms 17:53:29 (1787435609) shut down facet: mds1 facet_host: oleg136-server facet_failover_host: oleg136-server 1 412 0.91 MB/sec warmup 16 sec latency 2834.776 ms 1 412 0.86 MB/sec warmup 17 sec latency 3835.098 ms 1 412 0.81 MB/sec warmup 18 sec latency 4835.355 ms 1 412 0.77 MB/sec warmup 19 sec latency 5835.614 ms 1 412 0.00 MB/sec execute 1 sec latency 7843.791 ms 1 412 0.00 MB/sec execute 2 sec latency 8844.296 ms 1 412 0.00 MB/sec execute 3 sec latency 9844.555 ms 1 412 0.00 MB/sec execute 4 sec latency 10846.953 ms 1 412 0.00 MB/sec execute 5 sec latency 11847.664 ms 1 412 0.00 MB/sec execute 6 sec latency 12847.897 ms Failover mds1 to oleg136-server mount facets: mds1 1 412 0.00 MB/sec execute 7 sec latency 13848.092 ms 1 412 0.00 MB/sec execute 8 sec latency 14849.524 ms 1 412 0.00 MB/sec execute 9 sec latency 15849.729 ms 1 412 0.00 MB/sec execute 10 sec latency 16850.065 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 412 0.00 MB/sec execute 11 sec latency 17850.322 ms 1 412 0.00 MB/sec execute 12 sec latency 18850.532 ms 1 412 0.00 MB/sec execute 13 sec latency 19850.709 ms 1 412 0.00 MB/sec execute 14 sec latency 20850.974 ms 1 412 0.00 MB/sec execute 15 sec latency 21854.383 ms 1 412 0.00 MB/sec execute 16 sec latency 22855.049 ms 1 412 0.00 MB/sec execute 17 sec latency 23857.055 ms 1 412 0.00 MB/sec execute 18 sec latency 24857.287 ms 1 412 0.00 MB/sec execute 19 sec latency 25857.792 ms 1 412 0.00 MB/sec execute 20 sec latency 26858.270 ms 1 412 0.00 MB/sec execute 21 sec latency 27858.646 ms 1 412 0.00 MB/sec execute 22 sec latency 28858.851 ms 1 412 0.00 MB/sec execute 23 sec latency 29859.076 ms 1 412 0.00 MB/sec execute 24 sec latency 30859.580 ms 1 412 0.00 MB/sec execute 25 sec latency 31859.860 ms 1 412 0.00 MB/sec execute 26 sec latency 32861.201 ms 1 412 0.00 MB/sec execute 27 sec latency 33861.612 ms 1 412 0.00 MB/sec execute 28 sec latency 34861.818 ms oleg136-server: oleg136-server.virtnet: executing set_default_debug -1 all 1 412 0.00 MB/sec execute 29 sec latency 35861.964 ms 1 412 0.00 MB/sec execute 30 sec latency 36862.350 ms pdsh@oleg136-client: oleg136-server: ssh exited with exit code 1 1 412 0.00 MB/sec execute 31 sec latency 37862.543 ms Started lustre-MDT0000 17:54:05 (1787435645) targets are mounted 17:54:05 (1787435645) facet_failover done 1 412 0.00 MB/sec execute 32 sec latency 38862.906 ms 1 412 0.00 MB/sec execute 33 sec latency 39863.118 ms 1 412 0.00 MB/sec execute 34 sec latency 40863.635 ms 1 413 0.00 MB/sec execute 35 sec latency 41588.950 ms 1 452 0.04 MB/sec execute 36 sec latency 545.956 ms 1 498 0.07 MB/sec execute 37 sec latency 133.460 ms 1 522 0.09 MB/sec execute 38 sec latency 310.881 ms 1 603 0.16 MB/sec execute 39 sec latency 146.302 ms oleg136-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 639 0.16 MB/sec execute 40 sec latency 226.352 ms 1 661 0.16 MB/sec execute 41 sec latency 160.850 ms 1 669 0.16 MB/sec execute 42 sec latency 428.422 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 681 0.15 MB/sec execute 43 sec latency 313.252 ms 1 706 0.15 MB/sec execute 44 sec latency 143.526 ms 1 721 0.15 MB/sec execute 45 sec latency 174.422 ms 1 733 0.15 MB/sec execute 46 sec latency 425.472 ms 1 779 0.14 MB/sec execute 47 sec latency 96.962 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 825 0.14 MB/sec execute 48 sec latency 146.896 ms 1 881 0.14 MB/sec execute 49 sec latency 136.243 ms 1 913 0.14 MB/sec execute 50 sec latency 111.232 ms 1 933 0.14 MB/sec execute 51 sec latency 330.619 ms 1 977 0.14 MB/sec execute 52 sec latency 131.656 ms 1 1064 0.16 MB/sec execute 53 sec latency 266.675 ms 1 1147 0.16 MB/sec execute 54 sec latency 67.181 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Aug 22 17:54:28 EDT 2026 with return code 0 47235 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47235 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished