Re: ext3 why?
On Tuesday 24 February 2004 08:10 pm, xucaen wrote:
> On Tue, Feb 24, 2004 at 06:43:02PM -0800, Alvin Oga wrote:
> > On Tue, 24 Feb 2004, xucaen wrote:
> > > hi all, just looking for information here; why use ext3 journaling fs
> > > instead of ext2?
> >
> > copy all your important *.mp3 and *.mpeg files onto
> > your 100GB disk partitioned as ext2 .. as if that was
> > your only copy of it
> >
> > now power off your system ... and reboot
> >
> > and if you're smart, you'd answer "y".. please check the fs when
> > it reboots from a power failure/reset switch
> >
> >
> > than do the same test with ext3, reiserfs, jfs, etc
> > where "journeling" is supposedly working right
> >
> > c ya
> > alvin
>
> I don't get it.... are you saying ext3 recovers better or worse?
>
> jim
ext3 is a journaling file system, ext2 is not. If you shut off the power to a
machine that is running ext2, you will have to go thru the "equivalent" of
scan disk to get things back in order. With a ext3 system, the journal takes
care of this for you. Greatly simplified explanation, but that is the gist.
ext2 will take long time to boot up after power cycling a machine.
John
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