Re: UBIFS vs Logfs (was [RFC PATCH] UBIFS - new flash file system)

[Pavel Machek <pavel@ucw.cz>]

Hi!

> For me, the motivators to wait for LogFS are mainly the 
> facts that it
> can work on traditional block devices, and not only on 
> pure flash:
> 
> 1. It works on normal block devices and it supports 
> transparent compression
> 
> Today, a 64 GB SSD/flash-based media costs ~about the 
> same as a 1 TB
> hard disk. This makes flash very expensive to use; 
> compression can
> compensate that cost a bit (will depend on the usage, of 
> course).
> 
> I believe there is no other Linux filesystem which can 
> do transparent
> compression on block devices.

I'd like compressed filesystem for maps and lingvistic data... but
will the flash flesystems have 'reasonable' performance when used on
harddrive?
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html