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Re: HDD clone



on Wed, Nov 21, 2001 at 01:43:12PM +0100, Hans Ekbrand (hans@sociologi.cjb.net) wrote:
> On Tue, Nov 20, 2001 at 03:00:36AM -0800, Karsten M. Self wrote:
> > 
> > dd will do the job for a precise binary copy.  This is overkill in the
> > vast majority of circumstances, and slow as hell to boot (copying a
> > healthy-sized disk could take most of a day or more).  Tar or
> > incremental updates via rsync are far more appropriate.
> > 
> 
> Why not use RAID? Its purpose is to provide a realtime backup if a hard-
> disk fails. RAID seem to be especially appropriate since the harddisks
> are identical.

RAID is appropriate in the proper context.  It provides redundancy in
the event of hardware failures.  It doesn't address software/operator
errors, or the needs for mulitple redundant, phased, offsite, or
otherwise secure copies.

-- 
Karsten M. Self <kmself@ix.netcom.com>       http://kmself.home.netcom.com/
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