linux-kernel - Re: jffs2 and kernel config for SDHC Memory Cards

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Message-ID: <49B2A7F0.1090101@asyr.hopto.org>
Date:	Sat, 07 Mar 2009 18:59:28 +0200
From:	Thanasis <thanasis@...r.hopto.org>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: jffs2 and kernel config for SDHC Memory Cards

on 03/07/2009 12:57 AM Sitsofe Wheeler wrote the following:
> On Fri, Mar 06, 2009 at 10:24:25PM +0200, Thanasis wrote:
>> on 03/06/2009 08:24 PM Sitsofe Wheeler wrote the following:
>>> On Fri, Mar 06, 2009 at 03:56:01PM +0200, Thanasis wrote:
>>>> on 03/06/2009 03:39 PM Thanasis wrote the following:
>>>>> I want to use two of these Transcend’s Class 6 SDHC (SD High-Capacity)
>>>>> Memory Cards,
>>>>> http://www.transcendusa.com/Products/ModDetail.asp?ModNo=147&LangNo=0&Func1No=1&Func2No=13
>>>>> as part of the filesystem in a netbook (Acer A110L), will mount /home on
>>>>> one, and /tmp and /var on the other.
>>>  
>>>> Let me rephrase my questions in order to be clearer:
>>>> Q1: In order to achieve wear leveling should I format them as jffs2?
>>> This probably won't be very effective as you are already past the
> 
>> OK. I believe I should stick to ext2, right?
> 
> If you mean compared to jffs2 then probably yes, better to stick with
> ext2. 
Right, that is what I meant.

If you mean is ext2 the best choice over anything else... well
> that's an open question (or so I'm told). You would need to ask a
> filesystem expert really but it apparently depends on the workload, the
> characteristics of the "disks" and whether you need journaling.
It is going to be a desktop (netbook) system, so, if it had a HDD, I
would opt for ext4 or xfs, but given the hardware (SDHC), I guess ext2
is the best choice.
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