Filesystem format for external hard disk

[Reindl Harald]

Am 01.06.2012 23:06, schrieb Thibault Nélis:
> On 06/01/2012 04:45 PM, Bryn M. Reeves wrote:
>> Or is the ext4 code able to mount ext3 now (I didn't think so)?
> 
> I'm pretty sure it is fully backward compatible yes, even with ext2 from what I read.  
> It simply doesn't use all the new and fancy features obviously.

http://cateee.net/lkddb/web-lkddb/EXT4_USE_FOR_EXT23.html

[root at srv-rhsoft:/boot]$ cat config-3.3.7-1.fc16.x86_64 | grep CONFIG_EXT4_USE_FOR_EXT23
CONFIG_EXT4_USE_FOR_EXT23=y

this change was made some months ago with recent kernels
in the past it was different drivers

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