From mboxrd@z Thu Jan  1 00:00:00 1970
From: danielhilst@gmail.com (Daniel Hilst)
Date: Mon, 01 Apr 2013 17:50:43 -0300
Subject: Online migration of arbitrary filesystems, possible?
In-Reply-To: <15766.1364591205@turing-police.cc.vt.edu>
References: <5155F4EA.3050003@gmail.com>
	<15766.1364591205@turing-police.cc.vt.edu>
Message-ID: <5159F323.9020607@gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On 29-03-2013 18:06, Valdis.Kletnieks at vt.edu wrote:
> On Fri, 29 Mar 2013 17:09:14 -0300, Daniel Hilst said:
>
>> The idea is, mount both filesystems "together", and make write/read
>> operations go on this way
>> Read operations:
>>       1. See if data is already on dest fs,
>>       2. If is then read data and bright back to caller (lets call this
>> cold read)
>>       3. If is not, then read file from source fs, put it on page cache,
>> and change the backstorage of that page..
>>       3.1 So when this page get dirty or too old, it will be writed to
>
> Any reason you can't just 'rsync /source-fs /dest-fs'?
>
because I can't use dest-fs while rsynching

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Follow the white rabbit!