== sanity test 42d: test complete truncate of file with cached dirty data ========================================================== 16:27:40 (1787603260)
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, 0.100203 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      2210688        3712     2203392   1% /mnt/lustre[MDT:0] 
lustre-OST0000_UUID      3771392        2048     3767296   1% /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:1] 

filesystem_summary:      7542784        5120     7533568   1% /mnt/lustre 

pass grant check: client:6815744 server:6815744
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30