Re: REPOST: RMAN question

"Howard J. Rogers" <hjr_at_dizwell.com> wrote in message news:<4134196c$0$24192$afc38c87_at_news.optusnet.com.au>...
> Hans Forbrich wrote:
>
> > Personal experience:
> >
> > I still have the backup tapes from my original Sun SparcStation (1989
> > vintage), and can still read them, using an old SCSI-based tape drive and
> > tar.
> >
> > However, no operational disk drive in my shop is older than 7 years. And
> > all those disk drives have been formatted at least twice.
> >
> > That said, IMO any current B/R strategy probably should have a "copy of
> > incremental to hard-disk retention" policy for the flexibility and speed
> > of recovery, if nothing else.
>
> Lord, yes.
>
> Backing up to disk is pretty essential for precisely the two reasons you
> cite, IMO. It's whether that is a suitable *long term* repository that
> Daniel was discussing, I think.
>
> As in all things, there's a range of technology to suit varied needs, and
> any given backup strategy probably uses several of them in various
> admixtures and combinations.
>
> Nothing wrong with that at all.

Don't leave those cd's on top of the toasty-warm server, tho': http://www.cd-info.com/CDIC/Technology/CD-R/Media/TDK.html

See table 3 and "Media Lifetimes":
http://www.pdaconsulting.com/datadp.htm

jg

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