== replay-dual test 26: dbench and tar with mds failover ========================================================== 11:58:02 (1786723082) Starting client oleg324-client.virtnet: -o user_xattr,flock 192.168.203.124@tcp:/lustre /mnt/lustre Started clients oleg324-client.virtnet: 192.168.203.124@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 45202 Started dbench loop with 45203 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 6144 3732480 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3751936 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 8192 7484416 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 Aug 14 11:58:07 EDT 2026 waiting for dbench pid 45271 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 128.908 ms 1 91 2.09 MB/sec warmup 2 sec latency 127.882 ms 1 129 1.92 MB/sec warmup 3 sec latency 145.809 ms 1 155 1.63 MB/sec warmup 4 sec latency 182.041 ms test_26 fail mds1 1 times 1 189 1.51 MB/sec warmup 5 sec latency 152.282 ms 1 223 1.43 MB/sec warmup 6 sec latency 130.915 ms Failing mds1 on oleg324-server 1 268 1.43 MB/sec warmup 7 sec latency 128.830 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 305 1.40 MB/sec warmup 8 sec latency 121.840 ms 1 315 1.27 MB/sec warmup 9 sec latency 635.875 ms 1 315 1.15 MB/sec warmup 10 sec latency 1636.071 ms 1 315 1.04 MB/sec warmup 11 sec latency 2637.232 ms 11:58:19 (1786723099) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 315 0.96 MB/sec warmup 12 sec latency 3637.622 ms 1 315 0.88 MB/sec warmup 13 sec latency 4641.962 ms 1 315 0.82 MB/sec warmup 14 sec latency 5642.274 ms 1 315 0.76 MB/sec warmup 15 sec latency 6642.456 ms 1 315 0.72 MB/sec warmup 16 sec latency 7642.947 ms 1 315 0.67 MB/sec warmup 17 sec latency 8643.139 ms 1 315 0.64 MB/sec warmup 18 sec latency 9644.929 ms 1 315 0.60 MB/sec warmup 19 sec latency 10645.125 ms 1 315 0.00 MB/sec execute 1 sec latency 12646.194 ms Failover mds1 to oleg324-server mount facets: mds1 1 315 0.00 MB/sec execute 2 sec latency 13646.380 ms 1 315 0.00 MB/sec execute 3 sec latency 14648.107 ms 1 315 0.00 MB/sec execute 4 sec latency 15649.065 ms 1 315 0.00 MB/sec execute 5 sec latency 16649.689 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 315 0.00 MB/sec execute 6 sec latency 17649.871 ms 1 315 0.00 MB/sec execute 7 sec latency 18650.305 ms 1 315 0.00 MB/sec execute 8 sec latency 19650.621 ms 1 315 0.00 MB/sec execute 9 sec latency 20651.325 ms 1 315 0.00 MB/sec execute 10 sec latency 21651.766 ms 1 315 0.00 MB/sec execute 11 sec latency 22651.986 ms 1 315 0.00 MB/sec execute 12 sec latency 23652.310 ms 1 315 0.00 MB/sec execute 13 sec latency 24652.502 ms 1 315 0.00 MB/sec execute 14 sec latency 25652.847 ms 1 315 0.00 MB/sec execute 15 sec latency 26655.724 ms 1 315 0.00 MB/sec execute 16 sec latency 27658.704 ms 1 315 0.00 MB/sec execute 17 sec latency 28659.159 ms 1 315 0.00 MB/sec execute 18 sec latency 29659.330 ms 1 315 0.00 MB/sec execute 19 sec latency 30662.029 ms 1 315 0.00 MB/sec execute 20 sec latency 31662.613 ms 1 315 0.00 MB/sec execute 21 sec latency 32663.021 ms 1 315 0.00 MB/sec execute 22 sec latency 33663.248 ms 1 315 0.00 MB/sec execute 23 sec latency 34663.781 ms 1 315 0.00 MB/sec execute 24 sec latency 35664.070 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 315 0.00 MB/sec execute 25 sec latency 36664.298 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 315 0.00 MB/sec execute 26 sec latency 37666.423 ms 1 315 0.00 MB/sec execute 27 sec latency 38667.102 ms Started lustre-MDT0000 11:58:55 (1786723135) targets are mounted 11:58:55 (1786723135) facet_failover done 1 315 0.00 MB/sec execute 28 sec latency 39667.238 ms 1 315 0.00 MB/sec execute 29 sec latency 40697.489 ms 1 315 0.00 MB/sec execute 30 sec latency 41700.625 ms 1 315 0.00 MB/sec execute 31 sec latency 42702.709 ms 1 327 0.01 MB/sec execute 32 sec latency 43318.023 ms 1 357 0.04 MB/sec execute 33 sec latency 154.474 ms 1 397 0.08 MB/sec execute 34 sec latency 113.855 ms 1 437 0.11 MB/sec execute 35 sec latency 101.152 ms 1 472 0.14 MB/sec execute 36 sec latency 135.318 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 511 0.17 MB/sec execute 37 sec latency 148.900 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 580 0.22 MB/sec execute 38 sec latency 146.999 ms 1 640 0.25 MB/sec execute 39 sec latency 129.945 ms 1 671 0.24 MB/sec execute 40 sec latency 153.185 ms 1 708 0.24 MB/sec execute 41 sec latency 104.189 ms 1 733 0.23 MB/sec execute 42 sec latency 196.949 ms 1 774 0.23 MB/sec execute 43 sec latency 118.085 ms 1 796 0.23 MB/sec execute 44 sec latency 296.357 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 36864 3706880 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 15360 3727360 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 52224 7434240 1% /mnt/lustre 1 825 0.22 MB/sec execute 45 sec latency 134.202 ms 1 873 0.22 MB/sec execute 46 sec latency 215.229 ms 1 900 0.22 MB/sec execute 47 sec latency 229.268 ms 1 925 0.21 MB/sec execute 48 sec latency 154.573 ms 1 971 0.21 MB/sec execute 49 sec latency 85.382 ms 1 1009 0.22 MB/sec execute 50 sec latency 209.422 ms test_26 fail mds1 2 times 1 1062 0.22 MB/sec execute 51 sec latency 102.800 ms 1 1114 0.22 MB/sec execute 52 sec latency 92.477 ms Failing mds1 on oleg324-server 1 1147 0.22 MB/sec execute 53 sec latency 89.087 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 1188 0.21 MB/sec execute 54 sec latency 146.989 ms 1 1198 0.21 MB/sec execute 55 sec latency 765.363 ms 1 1198 0.21 MB/sec execute 56 sec latency 1765.606 ms 1 1198 0.20 MB/sec execute 57 sec latency 2765.773 ms 11:59:25 (1786723165) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 1198 0.20 MB/sec execute 58 sec latency 3765.993 ms 1 1198 0.20 MB/sec execute 59 sec latency 4766.186 ms 1 1198 0.19 MB/sec execute 60 sec latency 5766.381 ms 1 1198 0.19 MB/sec execute 61 sec latency 6768.970 ms 1 1198 0.19 MB/sec execute 62 sec latency 7769.148 ms 1 1198 0.18 MB/sec execute 63 sec latency 8769.526 ms 1 1198 0.18 MB/sec execute 64 sec latency 9769.827 ms 1 1198 0.18 MB/sec execute 65 sec latency 10770.033 ms 1 1198 0.17 MB/sec execute 66 sec latency 11770.263 ms 1 1198 0.17 MB/sec execute 67 sec latency 12771.761 ms Failover mds1 to oleg324-server mount facets: mds1 1 1198 0.17 MB/sec execute 68 sec latency 13772.450 ms 1 1198 0.17 MB/sec execute 69 sec latency 14774.883 ms 1 1198 0.16 MB/sec execute 70 sec latency 15775.165 ms 1 1198 0.16 MB/sec execute 71 sec latency 16775.383 ms 1 1198 0.16 MB/sec execute 72 sec latency 17775.603 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1198 0.16 MB/sec execute 73 sec latency 18775.866 ms 1 1198 0.16 MB/sec execute 74 sec latency 19789.253 ms 1 1198 0.15 MB/sec execute 75 sec latency 20790.271 ms 1 1198 0.15 MB/sec execute 76 sec latency 21790.935 ms 1 1198 0.15 MB/sec execute 77 sec latency 22791.156 ms 1 1198 0.15 MB/sec execute 78 sec latency 23791.846 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 1198 0.15 MB/sec execute 79 sec latency 24792.221 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 1198 0.14 MB/sec execute 80 sec latency 25793.377 ms 1 1198 0.14 MB/sec execute 81 sec latency 26793.776 ms Started lustre-MDT0000 11:59:49 (1786723189) targets are mounted 11:59:49 (1786723189) facet_failover done 1 1198 0.14 MB/sec execute 82 sec latency 27794.091 ms 1 1198 0.14 MB/sec execute 83 sec latency 28797.962 ms 1 1198 0.14 MB/sec execute 84 sec latency 29798.273 ms 1 1198 0.14 MB/sec execute 85 sec latency 30808.741 ms 1 1198 0.13 MB/sec execute 86 sec latency 31809.478 ms 1 1198 0.13 MB/sec execute 87 sec latency 32809.756 ms 1 1198 0.13 MB/sec execute 88 sec latency 33811.170 ms 1 1198 0.13 MB/sec execute 89 sec latency 34811.528 ms 1 1198 0.13 MB/sec execute 90 sec latency 35811.854 ms 1 1198 0.13 MB/sec execute 91 sec latency 36812.431 ms 1 1198 0.13 MB/sec execute 92 sec latency 37813.971 ms 1 1198 0.12 MB/sec execute 93 sec latency 38815.749 ms 1 1198 0.12 MB/sec execute 94 sec latency 39816.363 ms 1 1198 0.12 MB/sec execute 95 sec latency 40816.568 ms 1 1198 0.12 MB/sec execute 96 sec latency 41816.918 ms 1 1198 0.12 MB/sec execute 97 sec latency 42819.477 ms 1 1200 0.12 MB/sec execute 98 sec latency 43752.865 ms 1 1224 0.12 MB/sec execute 99 sec latency 408.614 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 134 721.329 43752.825 Close 123 13.244 51.144 Rename 10 133.963 408.582 Unlink 14 29.799 60.332 Qpathinfo 85 23.419 102.781 Qfileinfo 55 2.256 11.454 Qfsinfo 29 4.978 24.323 Sfileinfo 30 64.154 120.423 Find 38 7.502 69.988 WriteX 264 14.470 110.453 ReadX 129 4.592 75.272 Flush 24 118.730 296.339 Throughput 0.116913 MB/sec 1 clients 1 procs max_latency=43752.865 ms stopping dbench on /mnt/lustre at Fri Aug 14 12:00:12 EDT 2026 with return code 0 oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished mdc.lustre-MDT0000-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 Fri Aug 14 12:00:18 EDT 2026 waiting for dbench pid 47251 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 39 1.37 MB/sec warmup 1 sec latency 122.350 ms 1 111 2.61 MB/sec warmup 2 sec latency 90.109 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 6144 3724288 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 38912 3696640 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 45056 7420928 1% /mnt/lustre 1 139 2.00 MB/sec warmup 3 sec latency 256.055 ms 1 165 1.70 MB/sec warmup 4 sec latency 204.799 ms 1 197 1.57 MB/sec warmup 5 sec latency 156.182 ms 1 231 1.48 MB/sec warmup 6 sec latency 160.084 ms 1 264 1.42 MB/sec warmup 7 sec latency 141.602 ms 1 302 1.38 MB/sec warmup 8 sec latency 131.056 ms test_26 fail mds1 3 times 1 332 1.33 MB/sec warmup 9 sec latency 145.862 ms 1 358 1.28 MB/sec warmup 10 sec latency 232.596 ms 1 389 1.25 MB/sec warmup 11 sec latency 175.167 ms Failing mds1 on oleg324-server 1 418 1.22 MB/sec warmup 12 sec latency 225.692 ms Stopping /mnt/lustre-mds1 (opts:) on oleg324-server 1 449 1.21 MB/sec warmup 13 sec latency 156.803 ms 1 485 1.21 MB/sec warmup 14 sec latency 128.568 ms 1 492 1.14 MB/sec warmup 15 sec latency 709.814 ms 1 492 1.07 MB/sec warmup 16 sec latency 1711.784 ms 1 492 1.01 MB/sec warmup 17 sec latency 2711.998 ms 12:00:36 (1786723236) shut down facet: mds1 facet_host: oleg324-server facet_failover_host: oleg324-server 1 492 0.95 MB/sec warmup 18 sec latency 3712.365 ms 1 492 0.90 MB/sec warmup 19 sec latency 4724.341 ms 1 492 0.00 MB/sec execute 1 sec latency 6725.109 ms 1 492 0.00 MB/sec execute 2 sec latency 7725.457 ms 1 492 0.00 MB/sec execute 3 sec latency 8726.142 ms 1 492 0.00 MB/sec execute 4 sec latency 9728.539 ms 1 492 0.00 MB/sec execute 5 sec latency 10728.821 ms 1 492 0.00 MB/sec execute 6 sec latency 11729.007 ms 1 492 0.00 MB/sec execute 7 sec latency 12733.070 ms 1 492 0.00 MB/sec execute 8 sec latency 13735.154 ms Failover mds1 to oleg324-server mount facets: mds1 1 492 0.00 MB/sec execute 9 sec latency 14736.499 ms 1 492 0.00 MB/sec execute 10 sec latency 15736.851 ms 1 492 0.00 MB/sec execute 11 sec latency 16737.120 ms 1 492 0.00 MB/sec execute 12 sec latency 17737.781 ms 1 492 0.00 MB/sec execute 13 sec latency 18739.851 ms 1 492 0.00 MB/sec execute 14 sec latency 19740.084 ms 1 492 0.00 MB/sec execute 15 sec latency 20740.346 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 492 0.00 MB/sec execute 16 sec latency 21742.032 ms 1 492 0.00 MB/sec execute 17 sec latency 22744.044 ms 1 492 0.00 MB/sec execute 18 sec latency 23745.318 ms 1 492 0.00 MB/sec execute 19 sec latency 24746.587 ms 1 492 0.00 MB/sec execute 20 sec latency 25747.070 ms 1 492 0.00 MB/sec execute 21 sec latency 26747.291 ms 1 492 0.00 MB/sec execute 22 sec latency 27748.635 ms 1 492 0.00 MB/sec execute 23 sec latency 28748.896 ms 1 492 0.00 MB/sec execute 24 sec latency 29749.165 ms 1 492 0.00 MB/sec execute 25 sec latency 30751.767 ms 1 492 0.00 MB/sec execute 26 sec latency 31752.654 ms 1 492 0.00 MB/sec execute 27 sec latency 32753.181 ms 1 492 0.00 MB/sec execute 28 sec latency 33763.058 ms 1 492 0.00 MB/sec execute 29 sec latency 34763.596 ms 1 492 0.00 MB/sec execute 30 sec latency 35763.780 ms 1 492 0.00 MB/sec execute 31 sec latency 36764.325 ms oleg324-server: oleg324-server.virtnet: executing set_default_debug -1 all 1 492 0.00 MB/sec execute 32 sec latency 37765.042 ms 1 492 0.00 MB/sec execute 33 sec latency 38765.314 ms pdsh@oleg324-client: oleg324-server: ssh exited with exit code 1 1 492 0.00 MB/sec execute 34 sec latency 39765.525 ms Started lustre-MDT0000 12:01:13 (1786723273) targets are mounted 12:01:13 (1786723273) facet_failover done 1 492 0.00 MB/sec execute 35 sec latency 40766.159 ms 1 492 0.00 MB/sec execute 36 sec latency 41766.551 ms 1 492 0.00 MB/sec execute 37 sec latency 42766.698 ms 1 500 0.01 MB/sec execute 38 sec latency 43256.139 ms 1 522 0.02 MB/sec execute 39 sec latency 163.759 ms 1 555 0.05 MB/sec execute 40 sec latency 284.457 ms 1 616 0.09 MB/sec execute 41 sec latency 89.914 ms 1 656 0.09 MB/sec execute 42 sec latency 166.184 ms 1 672 0.09 MB/sec execute 43 sec latency 367.920 ms 1 695 0.09 MB/sec execute 44 sec latency 169.105 ms oleg324-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 721 0.09 MB/sec execute 45 sec latency 141.649 ms 1 731 0.09 MB/sec execute 46 sec latency 329.690 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 762 0.09 MB/sec execute 47 sec latency 147.463 ms 1 783 0.09 MB/sec execute 48 sec latency 140.425 ms 1 796 0.09 MB/sec execute 49 sec latency 452.123 ms 1 808 0.09 MB/sec execute 50 sec latency 212.648 ms 1 856 0.09 MB/sec execute 51 sec latency 137.497 ms tar: Unexpected EOF in archive tar: Unexpected EOF in archive 1 890 0.09 MB/sec execute 52 sec latency 160.226 ms 1 914 0.09 MB/sec execute 53 sec latency 308.710 ms 1 957 0.09 MB/sec execute 54 sec latency 114.160 ms 1 985 0.09 MB/sec execute 55 sec latency 302.508 ms 1 1050 0.10 MB/sec execute 56 sec latency 117.071 ms 1 1095 0.10 MB/sec execute 57 sec latency 97.433 ms 1 1136 0.10 MB/sec execute 58 sec latency 114.046 ms 1 1173 0.10 MB/sec execute 59 sec latency 148.049 ms 1 1214 0.10 MB/sec execute 60 sec latency 110.022 ms 1 1236 0.10 MB/sec execute 61 sec latency 172.003 ms tar: Error is not recoverable: exiting now dbench killed by signal 15 stopping dbench on /mnt/lustre at Fri Aug 14 12:01:40 EDT 2026 with return code 0 1 1274 0.10 MB/sec execute 62 sec latency 167.942 ms 47251 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47251 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished