== sanity test 42d: test complete truncate of file with cached dirty data ========================================================== 12:03:10 (1789142590)
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, 0.143596 s, 713 kB/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        7668     1263636   1%  /mnt/lustre[MDT:0] 
lustre-MDT0001_UUID      1414116        6860     1264444   1%  /mnt/lustre[MDT:1] 
lustre-OST0000_UUID      3833116       24492     3582528   1%  /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3833116       17492     3589528   1%  /mnt/lustre[OST:1] 

filesystem_summary:      7666232       41984     7172056   1%  /mnt/lustre 

pass grant check: client:49467392 server:49467392
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30