== sanity test 42d: test complete truncate of file with cached dirty data ========================================================== 01:37:32 (1784698652)
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, 0.0360953 s, 2.8 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      2210432        4736     2203648   1%  /mnt/lustre[MDT:0] 
lustre-OST0000_UUID      3771392       18432     3748864   1%  /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3771392       22528     3744768   1%  /mnt/lustre[OST:1] 

filesystem_summary:      7542784       40960     7493632   1%  /mnt/lustre 

pass grant check: client:11927552 server:11927552
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30