Linux installs on CF Flash chips.

[Jim Cornette]

Peter Arremann wrote:
> On Thursday 30 June 2005 23:08, Jim Cornette wrote:

>>References to ext3 filesystem on CF
> 
> Flash memory has a limited number of cycles before it goes bad... Somewhere 
> between ten thousand and 10 million, depending on the manufacturing process 
> and design. Check with your manufacturers specs for that. 
> 
> All traditional filesystem layouts are known to re-write the same sectors over 
> and over again - super blocks, inodes and so on. They are less than ideal for 
> flash memory because of that - they'll wear out some memory blocks real fast 
> while most of the rest is still fine. 
> 
> Because of that, special filesystems like JFFS(2) have been developed that 
> take the rewrite cycles into account and make your CF card last much much 
> longer. For more info, this page 
> http://linuxdevices.com/news/NS7386103729.html has some pretty good 
> information. 
> 
> Peter.
> 

Thanks Peter for the alternative FS. We had a CF fail (Sandisk 128MB) 
where it was recognized by BIOS, but locked up during startup. The 
device does a lot of file updating where the CF was used.

This should help out a lot for this appliance.

Jim