== replay-dual test 26: dbench and tar with mds failover ========================================================== 06:38:05 (1769081885) Starting client oleg116-client.virtnet: -o user_xattr,flock 192.168.201.116@tcp:/lustre /mnt/lustre Started clients oleg116-client.virtnet: 192.168.201.116@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,encrypt,flock,lazystatfs,lruresize,nolock,statfs_project,nouser_fid2path,user_xattr,verbose) Started tar loop with pid 44616 Started dbench loop with 44617 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 Thu Jan 22 06:38:08 EST 2026 waiting for dbench pid 44649 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210688 3328 2205312 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 3072 3737600 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 27648 3725312 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 30720 7462912 1% /mnt/lustre 1 92 4.19 MB/sec warmup 1 sec latency 83.133 ms 1 160 3.27 MB/sec warmup 2 sec latency 93.758 ms 1 232 2.96 MB/sec warmup 3 sec latency 99.049 ms 1 318 2.87 MB/sec warmup 4 sec latency 62.212 ms test_26 fail mds1 1 times 1 398 2.82 MB/sec warmup 5 sec latency 74.178 ms 1 475 2.77 MB/sec warmup 6 sec latency 72.787 ms Failing mds1 on oleg116-server Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 579 2.80 MB/sec warmup 7 sec latency 78.963 ms 1 603 2.62 MB/sec warmup 8 sec latency 881.743 ms 06:38:16 (1769081896) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 603 2.33 MB/sec warmup 9 sec latency 1882.327 ms 1 603 2.10 MB/sec warmup 10 sec latency 2882.543 ms 1 603 1.91 MB/sec warmup 11 sec latency 3882.686 ms 1 603 1.75 MB/sec warmup 12 sec latency 4885.512 ms 1 603 1.61 MB/sec warmup 13 sec latency 5885.698 ms 1 603 1.50 MB/sec warmup 14 sec latency 6886.823 ms 1 603 1.40 MB/sec warmup 15 sec latency 7887.231 ms 1 603 1.31 MB/sec warmup 16 sec latency 8887.392 ms 1 603 1.23 MB/sec warmup 17 sec latency 9887.559 ms 1 603 1.16 MB/sec warmup 18 sec latency 10887.725 ms Failover mds1 to oleg116-server mount facets: mds1 1 603 1.10 MB/sec warmup 19 sec latency 11888.908 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 603 0.00 MB/sec execute 1 sec latency 13890.584 ms 1 603 0.00 MB/sec execute 2 sec latency 14890.775 ms 1 603 0.00 MB/sec execute 3 sec latency 15891.192 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 603 0.00 MB/sec execute 4 sec latency 16891.504 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:38:33 (1769081913) targets are mounted 06:38:33 (1769081913) facet_failover done 1 603 0.00 MB/sec execute 5 sec latency 17892.162 ms 1 603 0.00 MB/sec execute 6 sec latency 18892.340 ms 1 654 0.01 MB/sec execute 7 sec latency 19555.424 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 718 0.04 MB/sec execute 8 sec latency 148.573 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 789 0.05 MB/sec execute 9 sec latency 77.002 ms 1 864 0.06 MB/sec execute 10 sec latency 125.333 ms 1 913 0.07 MB/sec execute 11 sec latency 117.593 ms 1 981 0.08 MB/sec execute 12 sec latency 126.314 ms 1 1074 0.15 MB/sec execute 13 sec latency 99.025 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 3712 2204800 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3684352 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 48128 3642368 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 59392 7326720 1% /mnt/lustre 1 1154 0.15 MB/sec execute 14 sec latency 58.043 ms 1 1225 0.14 MB/sec execute 15 sec latency 49.315 ms 1 1386 0.31 MB/sec execute 16 sec latency 54.964 ms 1 1470 0.30 MB/sec execute 17 sec latency 66.730 ms test_26 fail mds1 2 times 1 1550 0.28 MB/sec execute 18 sec latency 113.279 ms Failing mds1 on oleg116-server 1 1607 0.27 MB/sec execute 19 sec latency 53.033 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 1651 0.26 MB/sec execute 20 sec latency 343.880 ms 1 1651 0.25 MB/sec execute 21 sec latency 1345.070 ms 06:38:49 (1769081929) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 1651 0.24 MB/sec execute 22 sec latency 2345.273 ms 1 1651 0.23 MB/sec execute 23 sec latency 3345.412 ms 1 1651 0.22 MB/sec execute 24 sec latency 4347.436 ms 1 1651 0.21 MB/sec execute 25 sec latency 5347.573 ms 1 1651 0.20 MB/sec execute 26 sec latency 6347.787 ms 1 1651 0.19 MB/sec execute 27 sec latency 7348.356 ms 1 1651 0.19 MB/sec execute 28 sec latency 8348.550 ms 1 1651 0.18 MB/sec execute 29 sec latency 9348.821 ms 1 1651 0.17 MB/sec execute 30 sec latency 10349.468 ms 1 1651 0.17 MB/sec execute 31 sec latency 11350.197 ms Failover mds1 to oleg116-server mount facets: mds1 1 1651 0.16 MB/sec execute 32 sec latency 12350.571 ms 1 1651 0.16 MB/sec execute 33 sec latency 13353.096 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1651 0.15 MB/sec execute 34 sec latency 14354.469 ms 1 1651 0.15 MB/sec execute 35 sec latency 15357.277 ms 1 1651 0.15 MB/sec execute 36 sec latency 16359.119 ms 1 1651 0.14 MB/sec execute 37 sec latency 17359.432 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 1 1651 0.14 MB/sec execute 38 sec latency 18359.623 ms Started lustre-MDT0000 06:39:07 (1769081947) targets are mounted 06:39:07 (1769081947) facet_failover done 1 1651 0.13 MB/sec execute 39 sec latency 19359.829 ms 1 1651 0.13 MB/sec execute 40 sec latency 20360.011 ms 1 1651 0.13 MB/sec execute 41 sec latency 21361.837 ms 1 1654 0.12 MB/sec execute 42 sec latency 22275.919 ms 1 1748 0.12 MB/sec execute 43 sec latency 59.897 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1857 0.12 MB/sec execute 44 sec latency 48.575 ms 1 1967 0.12 MB/sec execute 45 sec latency 108.378 ms 1 2032 0.12 MB/sec execute 46 sec latency 63.646 ms 1 2158 0.12 MB/sec execute 47 sec latency 45.627 ms 1 2294 0.14 MB/sec execute 48 sec latency 52.102 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 4352 2204160 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 14336 3701760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 62464 3642368 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 76800 7344128 2% /mnt/lustre 1 2381 0.14 MB/sec execute 49 sec latency 141.851 ms 1 2455 0.14 MB/sec execute 50 sec latency 98.255 ms 1 2566 0.16 MB/sec execute 51 sec latency 216.144 ms 1 2597 0.15 MB/sec execute 52 sec latency 682.560 ms test_26 fail mds1 3 times 1 2781 0.21 MB/sec execute 53 sec latency 124.372 ms Failing mds1 on oleg116-server Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 2970 0.23 MB/sec execute 54 sec latency 62.825 ms 1 3000 0.23 MB/sec execute 55 sec latency 609.126 ms 06:39:24 (1769081964) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 3000 0.22 MB/sec execute 56 sec latency 1609.366 ms 1 3000 0.22 MB/sec execute 57 sec latency 2612.249 ms 1 3000 0.22 MB/sec execute 58 sec latency 3612.393 ms 1 3000 0.21 MB/sec execute 59 sec latency 4612.547 ms 1 3000 0.21 MB/sec execute 60 sec latency 5612.735 ms 1 3000 0.21 MB/sec execute 61 sec latency 6612.935 ms 1 3000 0.20 MB/sec execute 62 sec latency 7613.103 ms 1 3000 0.20 MB/sec execute 63 sec latency 8613.366 ms 1 3000 0.20 MB/sec execute 64 sec latency 9613.700 ms 1 3000 0.19 MB/sec execute 65 sec latency 10614.002 ms Failover mds1 to oleg116-server 1 3000 0.19 MB/sec execute 66 sec latency 11614.185 ms mount facets: mds1 1 3000 0.19 MB/sec execute 67 sec latency 12614.348 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 3000 0.18 MB/sec execute 68 sec latency 13615.266 ms 1 3000 0.18 MB/sec execute 69 sec latency 14615.527 ms 1 3000 0.18 MB/sec execute 70 sec latency 15618.036 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:39:39 (1769081979) targets are mounted 06:39:39 (1769081979) facet_failover done 1 3000 0.18 MB/sec execute 71 sec latency 16618.286 ms 1 3000 0.17 MB/sec execute 72 sec latency 17618.442 ms 1 3170 0.18 MB/sec execute 73 sec latency 18183.317 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 3305 0.19 MB/sec execute 74 sec latency 87.699 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 3506 0.23 MB/sec execute 75 sec latency 47.881 ms 1 3631 0.23 MB/sec execute 76 sec latency 35.089 ms 1 3752 0.24 MB/sec execute 77 sec latency 37.981 ms 1 3852 0.24 MB/sec execute 78 sec latency 46.049 ms 1 3947 0.24 MB/sec execute 79 sec latency 87.275 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5120 2203392 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3685376 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 62464 3653632 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 78848 7339008 2% /mnt/lustre 1 4023 0.24 MB/sec execute 80 sec latency 48.036 ms 1 4103 0.24 MB/sec execute 81 sec latency 70.538 ms 1 4236 0.24 MB/sec execute 82 sec latency 39.560 ms 1 4302 0.23 MB/sec execute 83 sec latency 127.954 ms test_26 fail mds1 4 times Failing mds1 on oleg116-server 1 4377 0.23 MB/sec execute 84 sec latency 65.181 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 4455 0.23 MB/sec execute 85 sec latency 275.332 ms 06:39:54 (1769081994) shut down 1 4455 0.23 MB/sec execute 86 sec latency 1276.964 ms facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 4455 0.23 MB/sec execute 87 sec latency 2277.210 ms 1 4455 0.23 MB/sec execute 88 sec latency 3277.540 ms 1 4455 0.22 MB/sec execute 89 sec latency 4277.789 ms 1 4455 0.22 MB/sec execute 90 sec latency 5278.483 ms 1 4455 0.22 MB/sec execute 91 sec latency 6278.709 ms 1 4455 0.22 MB/sec execute 92 sec latency 7278.958 ms 1 4455 0.21 MB/sec execute 93 sec latency 8279.111 ms 1 4455 0.21 MB/sec execute 94 sec latency 9279.314 ms 1 4455 0.21 MB/sec execute 95 sec latency 10280.403 ms 1 4455 0.21 MB/sec execute 96 sec latency 11280.572 ms Failover mds1 to oleg116-server mount facets: mds1 1 4455 0.20 MB/sec execute 97 sec latency 12280.825 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 4455 0.20 MB/sec execute 98 sec latency 13281.118 ms 1 4455 0.20 MB/sec execute 99 sec latency 14281.256 ms 1 cleanup 100 sec oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:40:09 (1769082009) targets are mounted 06:40:09 (1769082009) facet_failover done 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 0 cleanup 104 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 659 85.845 22275.900 Close 489 5.720 19.761 Rename 28 44.967 129.590 Unlink 130 12.164 22.262 Qpathinfo 598 8.227 82.301 Qfileinfo 104 1.075 8.625 Qfsinfo 115 1.064 8.074 Sfileinfo 62 30.000 59.988 Find 233 87.528 19555.412 WriteX 339 5.179 27.205 ReadX 1029 1.191 99.005 LockX 2 6.840 7.256 UnlockX 2 5.720 9.235 Flush 63 346.481 18183.301 Throughput 0.200063 MB/sec 1 clients 1 procs max_latency=22275.919 ms stopping dbench on /mnt/lustre at Thu Jan 22 06:40:12 EST 2026 with return code 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 Thu Jan 22 06:40:14 EST 2026 waiting for dbench pid 48491 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 1 113 5.24 MB/sec warmup 1 sec latency 70.809 ms 1 190 3.79 MB/sec warmup 2 sec latency 113.037 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5888 2202624 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 18432 3610624 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 88064 3565568 3% /mnt/lustre[OST:1] filesystem_summary: 7542784 106496 7176192 2% /mnt/lustre 1 297 3.65 MB/sec warmup 3 sec latency 49.236 ms 1 412 3.65 MB/sec warmup 4 sec latency 50.415 ms 1 522 3.61 MB/sec warmup 5 sec latency 53.641 ms test_26 fail mds1 5 times 1 673 3.53 MB/sec warmup 6 sec latency 67.440 ms Failing mds1 on oleg116-server 1 744 3.05 MB/sec warmup 7 sec latency 95.733 ms Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 799 2.68 MB/sec warmup 8 sec latency 473.794 ms 06:40:23 (1769082023) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 799 2.39 MB/sec warmup 9 sec latency 1474.065 ms 1 799 2.15 MB/sec warmup 10 sec latency 2474.322 ms 1 799 1.95 MB/sec warmup 11 sec latency 3475.161 ms 1 799 1.79 MB/sec warmup 12 sec latency 4475.403 ms 1 799 1.65 MB/sec warmup 13 sec latency 5475.603 ms 1 799 1.53 MB/sec warmup 14 sec latency 6475.792 ms 1 799 1.43 MB/sec warmup 15 sec latency 7476.076 ms 1 799 1.34 MB/sec warmup 16 sec latency 8476.860 ms 1 799 1.26 MB/sec warmup 17 sec latency 9477.076 ms 1 799 1.19 MB/sec warmup 18 sec latency 10477.250 ms Failover mds1 to oleg116-server 1 799 1.13 MB/sec warmup 19 sec latency 11477.402 ms mount facets: mds1 Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 799 0.00 MB/sec execute 1 sec latency 13478.100 ms 1 799 0.00 MB/sec execute 2 sec latency 14479.034 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 799 0.00 MB/sec execute 3 sec latency 15479.374 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:40:38 (1769082038) targets are mounted 06:40:38 (1769082038) facet_failover done 1 799 0.00 MB/sec execute 4 sec latency 16479.628 ms 1 799 0.00 MB/sec execute 5 sec latency 17479.866 ms 1 799 0.00 MB/sec execute 6 sec latency 18480.259 ms 1 799 0.00 MB/sec execute 7 sec latency 19480.470 ms 1 873 0.02 MB/sec execute 8 sec latency 19677.758 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 923 0.03 MB/sec execute 9 sec latency 99.815 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 1000 0.06 MB/sec execute 10 sec latency 79.827 ms 1 1128 0.14 MB/sec execute 11 sec latency 72.958 ms 1 1224 0.13 MB/sec execute 12 sec latency 52.631 ms 1 1399 0.35 MB/sec execute 13 sec latency 66.127 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 6656 2201856 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 11264 3678208 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 58368 3642368 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 69632 7320576 1% /mnt/lustre 1 1481 0.33 MB/sec execute 14 sec latency 235.618 ms 1 1569 0.31 MB/sec execute 15 sec latency 286.887 ms 1 1653 0.30 MB/sec execute 16 sec latency 70.883 ms 1 1799 0.29 MB/sec execute 17 sec latency 64.036 ms test_26 fail mds1 6 times 1 1924 0.28 MB/sec execute 18 sec latency 169.839 ms Failing mds1 on oleg116-server Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 2042 0.27 MB/sec execute 19 sec latency 72.807 ms 1 2042 0.26 MB/sec execute 20 sec latency 1072.935 ms 06:40:54 (1769082054) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 2042 0.24 MB/sec execute 21 sec latency 2073.092 ms 1 2042 0.23 MB/sec execute 22 sec latency 3073.300 ms 1 2042 0.22 MB/sec execute 23 sec latency 4073.522 ms 1 2042 0.21 MB/sec execute 24 sec latency 5073.696 ms 1 2042 0.20 MB/sec execute 25 sec latency 6073.879 ms 1 2042 0.20 MB/sec execute 26 sec latency 7074.056 ms 1 2042 0.19 MB/sec execute 27 sec latency 8074.227 ms 1 2042 0.18 MB/sec execute 28 sec latency 9074.398 ms 1 2042 0.18 MB/sec execute 29 sec latency 10076.211 ms 1 2042 0.17 MB/sec execute 30 sec latency 11076.368 ms Failover mds1 to oleg116-server mount facets: mds1 1 2042 0.17 MB/sec execute 31 sec latency 12076.595 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 2042 0.16 MB/sec execute 32 sec latency 13076.882 ms 1 2042 0.16 MB/sec execute 33 sec latency 14077.104 ms 1 2042 0.15 MB/sec execute 34 sec latency 15077.346 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:41:09 (1769082069) targets are mounted 06:41:09 (1769082069) facet_failover done 1 2042 0.15 MB/sec execute 35 sec latency 16077.579 ms 1 2042 0.14 MB/sec execute 36 sec latency 17077.726 ms 1 2043 0.14 MB/sec execute 37 sec latency 18077.601 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 2168 0.14 MB/sec execute 38 sec latency 72.943 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 2345 0.16 MB/sec execute 39 sec latency 83.367 ms 1 2427 0.17 MB/sec execute 40 sec latency 164.954 ms 1 2566 0.18 MB/sec execute 41 sec latency 109.248 ms 1 2597 0.18 MB/sec execute 42 sec latency 741.617 ms 1 2917 0.28 MB/sec execute 43 sec latency 137.759 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 5504 2203008 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 16384 3721216 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 66560 3681280 2% /mnt/lustre[OST:1] filesystem_summary: 7542784 82944 7402496 2% /mnt/lustre 1 3025 0.27 MB/sec execute 44 sec latency 112.355 ms 1 3352 0.31 MB/sec execute 45 sec latency 44.050 ms 1 3590 0.37 MB/sec execute 46 sec latency 28.663 ms test_26 fail mds1 7 times 1 3758 0.39 MB/sec execute 47 sec latency 39.088 ms Failing mds1 on oleg116-server Stopping /mnt/lustre-mds1 (opts:) on oleg116-server 1 3860 0.38 MB/sec execute 48 sec latency 50.969 ms 1 3878 0.37 MB/sec execute 49 sec latency 845.040 ms 06:41:24 (1769082084) shut down facet: mds1 facet_host: oleg116-server facet_failover_host: oleg116-server 1 3878 0.37 MB/sec execute 50 sec latency 1845.278 ms 1 3878 0.36 MB/sec execute 51 sec latency 2845.551 ms 1 3878 0.35 MB/sec execute 52 sec latency 3845.742 ms 1 3878 0.34 MB/sec execute 53 sec latency 4845.942 ms 1 3878 0.34 MB/sec execute 54 sec latency 5846.103 ms 1 3878 0.33 MB/sec execute 55 sec latency 6846.279 ms 1 3878 0.33 MB/sec execute 56 sec latency 7846.446 ms 1 3878 0.32 MB/sec execute 57 sec latency 8846.923 ms 1 3878 0.32 MB/sec execute 58 sec latency 9847.162 ms 1 3878 0.31 MB/sec execute 59 sec latency 10847.366 ms Failover mds1 to oleg116-server mount facets: mds1 1 3878 0.30 MB/sec execute 60 sec latency 11847.592 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 3878 0.30 MB/sec execute 61 sec latency 12847.857 ms 1 3878 0.29 MB/sec execute 62 sec latency 13847.984 ms oleg116-server: oleg116-server.virtnet: executing set_default_debug -1 all 1 3878 0.29 MB/sec execute 63 sec latency 14848.164 ms pdsh@oleg116-client: oleg116-server: ssh exited with exit code 1 Started lustre-MDT0000 06:41:38 (1769082098) targets are mounted 06:41:38 (1769082098) facet_failover done 1 3878 0.29 MB/sec execute 64 sec latency 15848.392 ms 1 3878 0.28 MB/sec execute 65 sec latency 16848.583 ms 1 3878 0.28 MB/sec execute 66 sec latency 17848.807 ms 1 3878 0.27 MB/sec execute 67 sec latency 18849.038 ms 1 3878 0.27 MB/sec execute 68 sec latency 19849.592 ms 1 3928 0.27 MB/sec execute 69 sec latency 20163.714 ms oleg116-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1 4022 0.27 MB/sec execute 70 sec latency 49.549 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 4115 0.26 MB/sec execute 71 sec latency 46.455 ms 1 4236 0.26 MB/sec execute 72 sec latency 52.713 ms 1 4281 0.26 MB/sec execute 73 sec latency 233.716 ms 1 4360 0.26 MB/sec execute 74 sec latency 122.300 ms 1 4467 0.26 MB/sec execute 75 sec latency 87.501 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Thu Jan 22 06:41:50 EST 2026 with return code 0 48491 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 48491 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished