linux-kernel - Re: ext2 on flash memory

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Date:	Thu, 14 Jun 2007 23:40:11 +0200
From:	Tomasz Chmielewski <mangoo@...g.org>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: ext2 on flash memory

Jan Knutar wrote:

> On Wednesday 13 June 2007 16:48, DervishD wrote:
>>     But anyway the memory should last long. Even cheap flash memories
>> with poor wear leveling (if any at all) usually long last. Given that
>> I won't be writing continuously, wear shouldn't be a problem. I'm
>> going to use this as a backup copy of my home. Of course, I can use a
>> tarball too...
> 
> I did a test on my kingston datatraveler recently, I didn't expect it to 
> survive, but it did. I put reiserfs on it, and copied 394M of data in 
> 200,000 files to it. Reiserfs was sloooow at writing, the device was 
> probably doing alot of work. ext2 was about 10X faster, but there was 
> hardly any free space left at all at the end :)
> 
> Considering it surived ReiserFS, I suspect it would last ages with ext2, 
> especially for your backup purposes.

I have a couple of years old USB stick, which was used for swap, and for 
compiling stuff natively on some small mipsel devices, and generally 
moving files back and forth a lot (ext3 + noatime).

Still, it works just fine.


-- 
Tomasz Chmielewski
http://wpkg.org

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