News for hackers. Stuff that matters.

A comment on Files Are Hard. Parent comment

Re:Files Are Hard by lisper on Sunday December 13, 2015 @12:09PM (#10726920)
FSYNC is not enough. You also have to make sure that NCQ is disabled:

https://en.wikipedia.org/wiki/Native_Command_Queuing

[ Parent | on HN ]
Re:Files Are Hard by chemodax on Sunday December 13, 2015 @02:08PM (#10727427)
OS can use Force Unit Access flag with NCQ to control disk buffering: https://en.wikipedia.org/wiki/Disk_buffer#Force_Unit_Access_...
[ Parent | on HN ]