== sanity test 42d: test complete truncate of file with cached dirty data ========================================================== 12:41:01 (1787589661)
debug=+cache
vm.dirty_writeback_centisecs = 0
vm.dirty_writeback_centisecs = 0
vm.dirty_ratio = 50
vm.dirty_background_ratio = 25
100+0 records in
100+0 records out
102400 bytes (102 kB, 100 KiB) copied, 0.10142 s, 1.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30
checking grant......UUID                   1K-blocks        Used   Available Use% Mounted on 
lustre-MDT0000_UUID      1414116        7696     1263608   1% /mnt/lustre[MDT:0] 
lustre-MDT0001_UUID      1414116        6872     1264432   1% /mnt/lustre[MDT:1] 
lustre-OST0000_UUID      3833116       30840     3576152   1% /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3833116       11132     3595860   1% /mnt/lustre[OST:1] 

filesystem_summary:      7666232       41972     7172012   1% /mnt/lustre 

pass grant check: client:41058304 server:41058304
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30