On 14-09-16 08:46 AM, Bram Vandoren wrote:
> On 09/16/2014 11:36 AM, Xu Zhe wrote:
>
>> Does anyone knows how to disable write cache of hard disk?
>
> Have a look at camcontrol modepage and the WCE bit.
You could also use the sdparm utility:
sdparm -c WCE <device>