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Re: Advice about ext3, please

On Sun, Mar 08, 2009 at 21:31:15 -0600, Paul E Condon (pecondon@mesanetworks.net) wrote: 

> On 2009-03-08_23:15:43, 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.
> > 
> > 
> >         Stefan
> That is a pretty persuasive argument. I can see the plug being pulled by
> accident fairly often in the long run. ;-) 
> I had pretty much decided the other way, but this, plus ... The drive is
> already ext3, and wikipedia article mentions problems with reverting back
> to ext2, which I would have to do. Sooooo----, I've decided to not change,
> --- for now --- 

One good reason for using ext2 is to help reduce the number of disk
writes - which if your USB drive is a flash memory device rather than a
traditional hard disk might be considered important.  Otherwise, it
probably makes sense to do as you have decided and stick with ext3.

Bob Cox.  Stoke Gifford, near Bristol, UK.
Please reply to the list only.  Do NOT send copies directly to me.
Debian on the NSLU2: http://bobcox.com/slug/

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