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Re: OT: Comparison of filesystems



On Mon, 2006-04-24 at 19:49 +0100, Doofus wrote:
> Ron Johnson wrote:
> 
> >On Mon, 2006-04-24 at 13:19 -0400, Curt Howland wrote:
> >  
> >
> >>My personal opinion is that anything "up to date" (as opposed to, say, 
> >>FAT12) will provide decent service for a desktop machine. I would add 
> >>journaling, which is why I also use ext3, but with the caveat that 
> >>ext3 is just an add-on to ext2. Performance demonstrates this.
> >>    
> >>
> >
> >Actually, ext3 is *not* an add-on to ext2.  They use the same on-
> >disk structure, but the drivers share little code.
> >
> >ext3 might have started life as a patched ext2 driver, though.
> >
> 
> And is it possible (with a simple vfstab edit) to switch off the ext3 
> journalling, thereby running it as ext2 with this  new and original 
> code? And if so, is there any performance difference between the two? 
> Even if there isn't, what I'm thinking is it seems reasonable to assume 
> the new code is an improvement on the old (otherwise why bother), so why 
> are two lines of development being maintained for essentially the same 
> file system?

yes, i believe it is possible to edit /etc/fstab. but not all things
(like data recovery) are possible with a native ext3 mounted as a ext2
partition as are with a native ext2 partition.

-- 
Matt Zagrabelny - mzagrabe@d.umn.edu - (218) 726 8844
University of Minnesota Duluth
Information Technology Systems & Services
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He is not a fool who gives up what he cannot keep to gain what he cannot
lose.
-Jim Elliot

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