linux-kernel - Re: ext2 on flash memory

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Date:	Wed, 13 Jun 2007 15:43:11 +0200
From:	DervishD <lkml@...vishd.net>
To:	Kevin K <k_krieser@...global.net>
Cc:	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: ext2 on flash memory

    Hi Kevin :)

> >    I was wondering: is there any reason not to use ext2 on an USB
> >pendrive? Really my question is not only about USB pendrives, but any
> >device whose storage is flash based. Let's assume that the device  
> >has a
> >good quality flash memory with wear leveling and the like...
> My opinion is that, unless the flash is really cheap, or it is being  
> written to excessively, that it probably doesn't matter too much.   
> With the growth in size of flash, just how long do you think it will  
> continue to be used before you go to something larger?

    The growth in size and the shrink in price ;) I think that if the
stick only lasts for a year, it has been a good investment.

> One suggestion with ext2 might be to mount it with the noatime  
> option, so it doesn't update the last access time for directories and  
> files.  Otherwise, you are doing a write even when you only plan to  
> read a file.

    I was going to do that. It should minimize the wear when only
reading. Anyway, wearing wasn't my main concern, I was more worried by
stoopid firmware that assume FAT.

    Thanks for your answer :)

    Raúl Núñez de Arenas Coronado

-- 
Linux Registered User 88736 | http://www.dervishd.net
It's my PC and I'll cry if I want to... RAmen!
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