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Re: Query about existence of way to free up unnecessary RAM usage



On Sat, 13 Sep 2014 23:09:58 +0200
lee <lee@yun.yagibdah.de> wrote:

> RAID doesn't provide data integrity even with ECC RAM.

You still have much more chances to avoid writing a bad byte w/ ECC
than with regular RAM, though.
 
> It only provides redundancy (with some RAID levels).  Use ECC RAM and a
> file system that does checksumming for data integrity --- might be a
> bit difficult for swap, though.

That's why I like this FS, which is now more usable with powerful 
chipsets/CPUs.

>  Does swapping to partitions use
> checksumming for data integrity? 

Not that I know of (but I always make a looong destructive test
before use, either on regular partitions and swaps).

> If not, you can always swap to files.

This isn't a good idea, perfs are much degraded using that.


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