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btrfs on small (embedded) systems

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From: Tomasz Chmielewski
Subject: btrfs on small (embedded) systems
Date: Monday, September 28, 2009 - 5:47 am

FYI - I've been using btrfs with 2.6.31.1 kernel for a few days as a 
rootfs on a small mips system (ASUS WL-500gP - 32 MB RAM, 266 MHz CPU).

btrfs filesystem is placed on a USB-stick connected to the device 
(internal flash only contains the kernel).


My main motivation for using btrfs on this small system was compression 
this filesystem offers - flash storage is still prohibitively expensive 
when compared to traditional hard disks (i.e. 32 GB USB-stick costs as 
much as a 1 TB HDD).


So far, everything looks fine, although I didn't try to stress it much 
(or use snapshots and/or make the filesystem full).


Certainly one thing I'm missing in btrfs is the ability to use swapfiles 
- is it planned one day (or perhaps some serious surgery in MM would be 
needed first)?


-- 
Tomasz Chmielewski
http://wpkg.org


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Messages in current thread:
btrfs on small (embedded) systems, Tomasz Chmielewski, (Mon Sep 28, 5:47 am)
Re: btrfs on small (embedded) systems, Zhu Yanhai, (Fri Oct 16, 10:54 pm)
Re: btrfs on small (embedded) systems, Zhu Yanhai, (Fri Oct 16, 10:56 pm)