[Gllug] Flash-only laptop

[Adrian McMenamin]

On Tue, 2005-06-07 at 17:21 +0100, Rev Simon Rumble wrote:
> This one time, at band camp, Adrian McMenamin wrote:
> 
> > > You'd need:
> > > * no swap partition
> > 
> > For speed reasons only I assume
> 
> See below
> 
> > > * /tmp, /var/tmp/ and probably a few others on ramdisks.
> > 
> > Why? CF is cheaper than memory. When the CF chip wears out throw it
> > away :)
> 
> Yes but you'll be throwing it out mighty often if you put swap, /tmp and 
> other regularly accessed bits of the filesystem on flash.
> 
> Flash has a finite number of write cycles.  When you're writing photos 
> to a CF card from a camera, you're talking years and years.  If you use 
> it for stuff like swap and /tmp, you'd wear it out very very quickly.
> 


I was going to take issue on the basis that I thought, from memory (I
once wrote a flash based filesystem) the write cycle count was quite
high, though I checked and it was about an order of magnitude less than
I thought, so I wont't :)
-- 
Adrian McMenamin <adrian at mcmen.demon.co.uk>
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