Re: [MLUG - DISCUSSION] Quickest Way to "shrink" a drive?

[Dave Lloyd <EMAIL:PROTECTED>]

On Thu, 4 Aug 2005, Nimrod Levy wrote:

> On 8/4/05, Dave Lloyd <EMAIL:PROTECTED> wrote:
> > 
> > On Thu, 4 Aug 2005, George B. Robb III wrote:
> > 
> > > Hey Gang-
> > >
> > > Would a cat /dev/hda3 > /dev/hdb3 preserve permissions etc...? Or should 
> > I
> > > use a cp -a /mnt/source /mnt/dest (source being hda3 dest being hdb3)?
> > >
> > > I am trying to shrink a 20 gig down to 6 gig on reiserfs... (Is there a 
> > FAST
> > > or better way to do this?)
> > 
> > Doesn't reiser have a dump and restore? You'll probably get, er,
> > "unexpected" results catting from one partitition to another unless
> > they're exactly the same. Besides, using dd with a 512kb block size
> > (which, IIRC, is the max io chunk that linux will do in the 2.4 kern) is
> > faster and probably safer than cat.
> > 
> > dd probably won't work either since the source partition is larger than 
> the first. I'd say your best options are dump/restore, tar, or some other 
> form of archiving. Use something like 
> tar --preserve -clf - $SRCDIR | tar --preserve -C $DESTDIR -xvf -

Rsync would also do the trick, too.

--dlloyd

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