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Re: Advice about ext3, please



On Sun, Mar 08, 2009 at 11:15:43PM -0400, Stefan Monnier wrote:
> > Journaling uses significantly more disk space and does not allow for deleted
> > file recovery.
> 
> Neither is true.  I believe you're confusing log-structured file systems
> and journalled file systems.
> 
> > ext2 - for backup, removable, partitions rarely used, etc.
> 
> ext2 is problematic for removable drives because if you remove the drive
> without cleanly unmounting it you risk losing your data.  So I would
> recommend ext3 for such uses.  Performance is rarely an issue, actually.

Not unless you enable data journaling as well. And even then: not
completely.

The guarantee you have is that the file system will remain in a
consistant state. Not that all the data will be written.

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