Re: [Utopia] Removable devices and write-caching

[Pat Suwalski <pat suwalski net>]

Ross Burton wrote:
> The point of a write cache is that then the write appears finished, the
> write is not always complete.  The best way to demonstrate this is to
> copy a large file to a floppy disk with write caching on -- the access
> light will show for a second, cp will return... and then a few seconds
> later it will start actually writing the file to disk.  Obviously taking
> the floppy out before that is a bad thing...

I have always question why on Linux the write cache is not disabled by 
default for removable devices. Though it is good for response time, it 
is very counter intuitive. Is it possible for something like hotplug to 
establish write-cache properties?

--Pat