[kwlug-disc] Bitrot and atomic COWs: Inside ???next-gen??? filesystems | Ars Technica

[peter_melse at gto.net]

 On Wed, 22 Jan 2014 14:04:08 -0500, Giles Malet <gdmalet at gmail.com> 
 wrote:
> On 01/22/2014 01:55 PM, Bob Jonkman wrote:
>> Did you backup, reformat, then restore, or is there a conversion 
>> tool
>> to go from ext* to btrfs?
>
> There are conversion tools, at least for ext* filesystems. For 
> example:
>
> 
> http://www.howtoforge.com/how-to-convert-an-ext3-ext4-root-file-system-to-btrfs-on-ubuntu-12.10
>
> gdm
>
>
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 More generically, 
 https://btrfs.wiki.kernel.org/index.php/Conversion_from_Ext3 also gives 
 instructions on how to convert back to EXT(3/4)

 The official wiki documentation is actually pretty good.