== replay-dual test 26: dbench and tar with mds failover ========================================================== 22:36:52 (1789267012) Starting client oleg422-client.virtnet: -o user_xattr,flock 192.168.204.122@tcp:/lustre /mnt/lustre Started clients oleg422-client.virtnet: 192.168.204.122@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 45170 Started dbench loop with 45172 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 14336 3741696 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 2048 3765248 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 16384 7506944 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 Sep 12 22:36:59 EDT 2026 waiting for dbench pid 45240 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 94.755 ms 1 71 1.57 MB/sec warmup 2 sec latency 174.713 ms 1 111 1.74 MB/sec warmup 3 sec latency 171.156 ms 1 145 1.55 MB/sec warmup 4 sec latency 219.607 ms test_26 fail mds1 1 times 1 179 1.45 MB/sec warmup 5 sec latency 150.187 ms 1 204 1.33 MB/sec warmup 6 sec latency 167.664 ms Failing mds1 on oleg422-server 1 235 1.28 MB/sec warmup 7 sec latency 193.943 ms Stopping /mnt/lustre-mds1 (opts:) on oleg422-server 1 270 1.27 MB/sec warmup 8 sec latency 181.908 ms 1 287 1.19 MB/sec warmup 9 sec latency 545.328 ms 1 287 1.07 MB/sec warmup 10 sec latency 1545.580 ms 1 287 0.97 MB/sec warmup 11 sec latency 2546.211 ms 22:37:11 (1789267031) shut down facet: mds1 facet_host: oleg422-server facet_failover_host: oleg422-server 1 287 0.89 MB/sec warmup 12 sec latency 3547.290 ms 1 287 0.82 MB/sec warmup 13 sec latency 4548.696 ms 1 287 0.76 MB/sec warmup 14 sec latency 5550.303 ms 1 287 0.71 MB/sec warmup 15 sec latency 6551.154 ms 1 287 0.67 MB/sec warmup 16 sec latency 7551.445 ms 1 287 0.63 MB/sec warmup 17 sec latency 8551.694 ms 1 287 0.59 MB/sec warmup 18 sec latency 9552.507 ms 1 287 0.56 MB/sec warmup 19 sec latency 10559.126 ms 1 287 0.00 MB/sec execute 1 sec latency 12559.535 ms 1 287 0.00 MB/sec execute 2 sec latency 13560.571 ms Failover mds1 to oleg422-server mount facets: mds1 1 287 0.00 MB/sec execute 3 sec latency 14560.761 ms 1 287 0.00 MB/sec execute 4 sec latency 15562.358 ms 1 287 0.00 MB/sec execute 5 sec latency 16564.804 ms 1 287 0.00 MB/sec execute 6 sec latency 17565.227 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 287 0.00 MB/sec execute 7 sec latency 18565.793 ms 1 287 0.00 MB/sec execute 8 sec latency 19566.085 ms 1 287 0.00 MB/sec execute 9 sec latency 20566.358 ms 1 287 0.00 MB/sec execute 10 sec latency 21566.652 ms 1 287 0.00 MB/sec execute 11 sec latency 22567.487 ms 1 287 0.00 MB/sec execute 12 sec latency 23567.876 ms 1 287 0.00 MB/sec execute 13 sec latency 24570.534 ms 1 287 0.00 MB/sec execute 14 sec latency 25571.260 ms 1 287 0.00 MB/sec execute 15 sec latency 26573.595 ms 1 287 0.00 MB/sec execute 16 sec latency 27573.886 ms 1 287 0.00 MB/sec execute 17 sec latency 28574.995 ms 1 287 0.00 MB/sec execute 18 sec latency 29579.774 ms 1 287 0.00 MB/sec execute 19 sec latency 30580.071 ms 1 287 0.00 MB/sec execute 20 sec latency 31580.266 ms 1 287 0.00 MB/sec execute 21 sec latency 32582.783 ms 1 287 0.00 MB/sec execute 22 sec latency 33583.150 ms 1 287 0.00 MB/sec execute 23 sec latency 34583.800 ms oleg422-server: oleg422-server.virtnet: executing set_default_debug -1 all 1 287 0.00 MB/sec execute 24 sec latency 35585.073 ms 1 287 0.00 MB/sec execute 25 sec latency 36587.236 ms pdsh@oleg422-client: oleg422-server: ssh exited with exit code 1 1 287 0.00 MB/sec execute 26 sec latency 37588.205 ms Started lustre-MDT0000 22:37:45 (1789267065) targets are mounted 22:37:45 (1789267065) facet_failover done 1 297 0.01 MB/sec execute 27 sec latency 38210.623 ms 1 331 0.05 MB/sec execute 28 sec latency 144.987 ms 1 365 0.08 MB/sec execute 29 sec latency 172.320 ms 1 397 0.11 MB/sec execute 30 sec latency 143.713 ms 1 438 0.15 MB/sec execute 31 sec latency 123.135 ms 1 474 0.18 MB/sec execute 32 sec latency 173.831 ms 1 504 0.20 MB/sec execute 33 sec latency 208.496 ms oleg422-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 561 0.25 MB/sec execute 34 sec latency 182.639 ms 1 636 0.30 MB/sec execute 35 sec latency 110.369 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 664 0.29 MB/sec execute 36 sec latency 125.560 ms 1 678 0.28 MB/sec execute 37 sec latency 315.744 ms 1 710 0.28 MB/sec execute 38 sec latency 205.766 ms 1 730 0.27 MB/sec execute 39 sec latency 295.907 ms 1 765 0.27 MB/sec execute 40 sec latency 125.414 ms 1 789 0.26 MB/sec execute 41 sec latency 184.781 ms 1 806 0.26 MB/sec execute 42 sec latency 280.640 ms UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2304 2206208 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 35840 3694592 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 13312 3683328 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 49152 7377920 1% /mnt/lustre 1 857 0.25 MB/sec execute 43 sec latency 96.605 ms 1 881 0.25 MB/sec execute 44 sec latency 265.918 ms 1 913 0.25 MB/sec execute 45 sec latency 120.061 ms 1 940 0.24 MB/sec execute 46 sec latency 138.286 ms 1 977 0.24 MB/sec execute 47 sec latency 115.291 ms 1 1040 0.25 MB/sec execute 48 sec latency 164.138 ms test_26 fail mds1 2 times 1 1079 0.25 MB/sec execute 49 sec latency 93.853 ms 1 1124 0.25 MB/sec execute 50 sec latency 110.204 ms Failing mds1 on oleg422-server 1 1154 0.24 MB/sec execute 51 sec latency 103.300 ms Stopping /mnt/lustre-mds1 (opts:) on oleg422-server 1 1192 0.24 MB/sec execute 52 sec latency 85.759 ms 1 1199 0.23 MB/sec execute 53 sec latency 666.165 ms 1 1199 0.23 MB/sec execute 54 sec latency 1666.392 ms 22:38:14 (1789267094) shut down 1 1199 0.22 MB/sec execute 55 sec latency 2668.862 ms facet: mds1 facet_host: oleg422-server facet_failover_host: oleg422-server 1 1199 0.22 MB/sec execute 56 sec latency 3669.370 ms 1 1199 0.22 MB/sec execute 57 sec latency 4672.482 ms 1 1199 0.21 MB/sec execute 58 sec latency 5675.089 ms 1 1199 0.21 MB/sec execute 59 sec latency 6675.354 ms 1 1199 0.21 MB/sec execute 60 sec latency 7676.479 ms 1 1199 0.20 MB/sec execute 61 sec latency 8676.933 ms 1 1199 0.20 MB/sec execute 62 sec latency 9677.216 ms 1 1199 0.20 MB/sec execute 63 sec latency 10678.175 ms 1 1199 0.19 MB/sec execute 64 sec latency 11680.865 ms 1 1199 0.19 MB/sec execute 65 sec latency 12682.895 ms Failover mds1 to oleg422-server mount facets: mds1 1 1199 0.19 MB/sec execute 66 sec latency 13683.306 ms 1 1199 0.18 MB/sec execute 67 sec latency 14683.606 ms 1 1199 0.18 MB/sec execute 68 sec latency 15683.910 ms 1 1199 0.18 MB/sec execute 69 sec latency 16684.493 ms 1 1199 0.18 MB/sec execute 70 sec latency 17684.774 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 1199 0.17 MB/sec execute 71 sec latency 18685.157 ms 1 1199 0.17 MB/sec execute 72 sec latency 19685.615 ms 1 1199 0.17 MB/sec execute 73 sec latency 20686.359 ms 1 1199 0.17 MB/sec execute 74 sec latency 21687.196 ms 1 1199 0.16 MB/sec execute 75 sec latency 22689.765 ms 1 1199 0.16 MB/sec execute 76 sec latency 23691.074 ms 1 1199 0.16 MB/sec execute 77 sec latency 24692.630 ms 1 1199 0.16 MB/sec execute 78 sec latency 25692.914 ms 1 1199 0.16 MB/sec execute 79 sec latency 26693.375 ms 1 1199 0.15 MB/sec execute 80 sec latency 27695.678 ms 1 1199 0.15 MB/sec execute 81 sec latency 28696.488 ms 1 1199 0.15 MB/sec execute 82 sec latency 29696.826 ms 1 1199 0.15 MB/sec execute 83 sec latency 30697.539 ms 1 1199 0.15 MB/sec execute 84 sec latency 31698.605 ms 1 1199 0.15 MB/sec execute 85 sec latency 32699.371 ms oleg422-server: oleg422-server.virtnet: executing set_default_debug -1 all 1 1199 0.14 MB/sec execute 86 sec latency 33699.994 ms 1 1199 0.14 MB/sec execute 87 sec latency 34700.232 ms pdsh@oleg422-client: oleg422-server: ssh exited with exit code 1 Started lustre-MDT0000 1 1199 0.14 MB/sec execute 88 sec latency 35701.464 ms 22:38:47 (1789267127) targets are mounted 22:38:47 (1789267127) facet_failover done 1 1199 0.14 MB/sec execute 89 sec latency 36704.370 ms 1 1199 0.14 MB/sec execute 90 sec latency 37705.656 ms 1 1199 0.14 MB/sec execute 91 sec latency 38714.442 ms 1 1199 0.13 MB/sec execute 92 sec latency 39714.720 ms 1 1200 0.13 MB/sec execute 93 sec latency 40527.011 ms 1 1226 0.13 MB/sec execute 94 sec latency 337.666 ms 1 1259 0.13 MB/sec execute 95 sec latency 157.237 ms 1 1318 0.14 MB/sec execute 96 sec latency 128.439 ms 1 1419 0.16 MB/sec execute 97 sec latency 124.924 ms oleg422-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 1470 0.16 MB/sec execute 98 sec latency 95.085 ms 1 1502 0.15 MB/sec execute 99 sec latency 132.560 ms 1 cleanup 100 sec mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 cleanup 101 sec 1 cleanup 102 sec 1 cleanup 103 sec 1 cleanup 104 sec 0 cleanup 105 sec Operation Count AvgLat MaxLat ---------------------------------------- NTCreateX 186 283.044 38210.602 Close 161 265.874 40526.980 Rename 10 117.324 337.649 Unlink 20 33.368 55.092 Qpathinfo 125 23.392 110.169 Qfileinfo 67 3.058 12.322 Qfsinfo 33 4.236 19.230 Sfileinfo 34 65.375 103.590 Find 54 9.402 110.352 WriteX 300 13.738 72.746 ReadX 237 2.995 90.783 Flush 25 142.172 315.720 Throughput 0.15481 MB/sec 1 clients 1 procs max_latency=40527.011 ms stopping dbench on /mnt/lustre at Sat Sep 12 22:39:04 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 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210560 2560 2205952 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 3771392 45056 3701760 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 3771392 20480 3730432 1% /mnt/lustre[OST:1] filesystem_summary: 7542784 65536 7432192 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 Sep 12 22:39:12 EDT 2026 waiting for dbench pid 47281 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 0.65 MB/sec warmup 1 sec latency 44.204 ms 1 71 1.57 MB/sec warmup 2 sec latency 192.119 ms 1 109 1.72 MB/sec warmup 3 sec latency 149.594 ms test_26 fail mds1 3 times 1 128 1.44 MB/sec warmup 4 sec latency 281.918 ms 1 147 1.25 MB/sec warmup 5 sec latency 279.161 ms 1 165 1.13 MB/sec warmup 6 sec latency 261.755 ms Failing mds1 on oleg422-server 1 185 1.05 MB/sec warmup 7 sec latency 211.605 ms Stopping /mnt/lustre-mds1 (opts:) on oleg422-server 1 210 1.01 MB/sec warmup 8 sec latency 249.897 ms 1 246 1.04 MB/sec warmup 9 sec latency 133.346 ms 1 255 0.96 MB/sec warmup 10 sec latency 693.233 ms 1 255 0.88 MB/sec warmup 11 sec latency 1693.519 ms 1 255 0.80 MB/sec warmup 12 sec latency 2693.829 ms 1 255 0.74 MB/sec warmup 13 sec latency 3694.354 ms 22:39:25 (1789267165) shut down facet: mds1 facet_host: oleg422-server facet_failover_host: oleg422-server 1 255 0.69 MB/sec warmup 14 sec latency 4697.262 ms 1 255 0.64 MB/sec warmup 15 sec latency 5697.464 ms 1 255 0.60 MB/sec warmup 16 sec latency 6699.020 ms 1 255 0.57 MB/sec warmup 17 sec latency 7699.434 ms 1 255 0.54 MB/sec warmup 18 sec latency 8702.644 ms 1 255 0.51 MB/sec warmup 19 sec latency 9702.913 ms 1 255 0.00 MB/sec execute 1 sec latency 11703.465 ms 1 255 0.00 MB/sec execute 2 sec latency 12704.145 ms 1 255 0.00 MB/sec execute 3 sec latency 13704.453 ms Failover mds1 to oleg422-server mount facets: mds1 1 255 0.00 MB/sec execute 4 sec latency 14712.044 ms 1 255 0.00 MB/sec execute 5 sec latency 15712.253 ms 1 255 0.00 MB/sec execute 6 sec latency 16712.506 ms 1 255 0.00 MB/sec execute 7 sec latency 17712.857 ms 1 255 0.00 MB/sec execute 8 sec latency 18713.053 ms Start mds1: mount -t lustre -o localrecov lustre-mdt1/mdt1 /mnt/lustre-mds1 1 255 0.00 MB/sec execute 9 sec latency 19714.395 ms 1 255 0.00 MB/sec execute 10 sec latency 20718.178 ms 1 255 0.00 MB/sec execute 11 sec latency 21718.447 ms 1 255 0.00 MB/sec execute 12 sec latency 22719.221 ms 1 255 0.00 MB/sec execute 13 sec latency 23719.674 ms 1 255 0.00 MB/sec execute 14 sec latency 24720.083 ms 1 255 0.00 MB/sec execute 15 sec latency 25720.905 ms 1 255 0.00 MB/sec execute 16 sec latency 26721.148 ms 1 255 0.00 MB/sec execute 17 sec latency 27721.566 ms 1 255 0.00 MB/sec execute 18 sec latency 28722.883 ms 1 255 0.00 MB/sec execute 19 sec latency 29724.341 ms 1 255 0.00 MB/sec execute 20 sec latency 30725.660 ms 1 255 0.00 MB/sec execute 21 sec latency 31729.399 ms 1 255 0.00 MB/sec execute 22 sec latency 32729.690 ms 1 255 0.00 MB/sec execute 23 sec latency 33730.326 ms 1 255 0.00 MB/sec execute 24 sec latency 34730.918 ms 1 255 0.00 MB/sec execute 25 sec latency 35733.325 ms oleg422-server: oleg422-server.virtnet: executing set_default_debug -1 all 1 255 0.00 MB/sec execute 26 sec latency 36734.244 ms 1 255 0.00 MB/sec execute 27 sec latency 37734.518 ms pdsh@oleg422-client: oleg422-server: ssh exited with exit code 1 1 255 0.00 MB/sec execute 28 sec latency 38734.721 ms 1 255 0.00 MB/sec execute 29 sec latency 39736.805 ms Started lustre-MDT0000 22:40:02 (1789267202) targets are mounted 22:40:02 (1789267202) facet_failover done 1 255 0.00 MB/sec execute 30 sec latency 40739.593 ms 1 255 0.00 MB/sec execute 31 sec latency 41741.966 ms 1 274 0.02 MB/sec execute 32 sec latency 42072.577 ms 1 290 0.03 MB/sec execute 33 sec latency 219.211 ms 1 323 0.06 MB/sec execute 34 sec latency 142.917 ms 1 344 0.07 MB/sec execute 35 sec latency 251.782 ms 1 370 0.10 MB/sec execute 36 sec latency 301.792 ms 1 390 0.11 MB/sec execute 37 sec latency 213.408 ms 1 415 0.13 MB/sec execute 38 sec latency 184.908 ms oleg422-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid 1475 0 1 438 0.15 MB/sec execute 39 sec latency 230.169 ms 1 461 0.16 MB/sec execute 40 sec latency 279.549 ms 1 477 0.17 MB/sec execute 41 sec latency 335.421 ms mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec 1 501 0.19 MB/sec execute 42 sec latency 216.043 ms 1 525 0.19 MB/sec execute 43 sec latency 219.735 ms 1 606 0.26 MB/sec execute 44 sec latency 144.757 ms 1 652 0.25 MB/sec execute 45 sec latency 137.962 ms 1 673 0.25 MB/sec execute 46 sec latency 191.349 ms 1 702 0.25 MB/sec execute 47 sec latency 113.863 ms 1 723 0.24 MB/sec execute 48 sec latency 301.146 ms 1 740 0.24 MB/sec execute 49 sec latency 158.495 ms 1 777 0.23 MB/sec execute 50 sec latency 140.522 ms 1 801 0.23 MB/sec execute 51 sec latency 193.001 ms 1 848 0.23 MB/sec execute 52 sec latency 129.068 ms 1 876 0.23 MB/sec execute 53 sec latency 351.477 ms 1 902 0.22 MB/sec execute 54 sec latency 141.401 ms 1 918 0.22 MB/sec execute 55 sec latency 377.569 ms 1 949 0.22 MB/sec execute 56 sec latency 112.029 ms 1 980 0.21 MB/sec execute 57 sec latency 160.861 ms 1 1036 0.23 MB/sec execute 58 sec latency 194.158 ms dbench killed by signal 15 stopping dbench on /mnt/lustre at Sat Sep 12 22:40:30 EDT 2026 with return code 0 47281 pts/0 S+ 0:00 dbench -c client.txt 1 -D /mnt/lustre2/d26.replay-dual/run_dbench -t 100 killed dbench main pid 47281 clean dbench files on /mnt/lustre /mnt/lustre /mnt/lustre removed 'client.txt' /mnt/lustre dbench successfully finished