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Date: Fri, 20 Sep 2002 10:15:05 +0100
From: Padraig Brady <padraig.brady@corvil.com>
Organization: Corvil Networks
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To: Rob van Nieuwkerk <robn@verdi.et.tudelft.nl>
CC: linux-kernel@vger.kernel.org, Andrew Morton <akpm@digeo.com>
Subject: Re: ext3 fs: no userspace writes == no disk writes ?
References: <200209200909.g8K99qo04297@verdi.et.tudelft.nl>
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Rob van Nieuwkerk wrote:
> Hi P?draig,
> 
> P?draig Brady wrote:
> 
>>Rob van Nieuwkerk wrote:
>>
>>>Hi Alan,
>>>
>>>
>>>>On Fri, 2002-09-20 at 00:04, Andrew Morton wrote:
>>>>
>>>>
>>>>>There are frequently written areas of an ext3 filesystem - the
>>>>>journal, the superblock.  Those would wear out pretty quickly.
>>>>
>>>>CF is -supposed- to wear level.
>>>
>>>Yes I know.
>>>
>>>But I haven't been able to find any specs from any CF manufacturer
>>>about this mechanism, percentage of spare sectors or number of allowed
>>>write-cycles in general.
>>
>>me either.
>>
>>Why don't you just mount the fs ro ?
>>
>>P?draig
> 
> 
> Ehm .., because I need to store data on it ..

Ehm, well remount,rw before you store data on it
and remount,ro when finished?

P?draig.

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