On Tuesday 18 May 2004 22:15, Stephen Kuhn wrote:
> On Wed, 2004-05-19 at 06:07, Kaj Haulrich wrote:
> > On Tuesday 18 May 2004 21:12, PM wrote:
> > > On Tue, 2004-05-18 at 15:03, Michael Tienhaara wrote:
> > > > Thanks for the reply.  Now I'm curious....how?  Does it
> > > > defrag "on the fly?"  Or, at set times?
> > > > Michael
> > >
> > > It's a completely different file system to MS dos ( in its
> > > various forms), and doesn't fragment files (not so you'd
> > > notice, anyway) so there's no need to defrag.
> >
> > ...which is not entirely true, though. In filesystems like
> > ext2, ext3, ReiserFS and XFS there is no need whatsoever to
> > defrag, but in IBM's JFS is is recommended to do so now and
> > then.
> >
> > Kaj haulrich.
>
> That's IBM for ya.

Well Stephen, I must admit that IBM gets more and more of my respect 
these days, what with them supporting Linux, standing up against 
SCO and all that. That aside, their JFS (Journalling File System) 
is a legacy system inherited from OS/2 Warp. The defragging issue 
is a bargain pay for the incredible speed and stability og that 
filesystem.

Kaj Haulrich.
-- 
* Sent from a 100 % Microsoft-free computer *
* running Linux kernel 2.6.4 on Mandrake 10.0 *

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