[Discuss] noise

[David Bronaugh]

Alan W. Irwin wrote:
> On 2006-05-06 13:07-0700 David Bronaugh wrote:
>
>> I'm going to be experimenting with something interesting in this 
>> regard... CF->IDE adapters, and high speed compact flash cards. This 
>> would eliminate the remaining noise in my laptop, as there would be 
>> no moving parts at all.
>
> Doesn't compact flash memory have a limit on the number of rewrites 
> before
> it dies?  I believe there is a filesystem that attempts to reduce 
> rewrites
> because of this issue.  Is that how you plan to reduce the impact of this
> issue?
JFFS2 does this. However, it only operates on NAND flash devices driven 
by the mtd layer.

Compact Flash cards -do- however implement wear levelling, spare 
sectors, and ECC. The number of writes ranges between 10,000
and 100,000; in practice, I don't think this'll be a problem.

David