== sanity test 42d: test complete truncate of file with cached dirty data ========================================================== 06:03:44 (1788775424)
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, 0.066777 s, 1.5 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        3452     1267796   1% /mnt/lustre[MDT:0] 
lustre-MDT0001_UUID      1414116        1820     1269484   1% /mnt/lustre[MDT:1] 
lustre-OST0000_UUID      3833116        2632     3604388   1% /mnt/lustre[OST:0] 
lustre-OST0001_UUID      3833116        1548     3605472   1% /mnt/lustre[OST:1] 

filesystem_summary:      7666232        4180     7209860   1% /mnt/lustre 

pass grant check: client:16875520 server:16875520
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30