Re: Exporting Directly to Tape

On Wed, 27 Dec 1995, Helena Whitaker wrote:

> On Wed, 27 Dec 1995, Kilner, Carol wrote:
>
> > Has any one had any experience doing an export directly to dat tape on an
> > HP-UX version 10.
> >
<snip>
>
> Are you sure dd can copy an export file properly from tape
> to disk ? (I once had a problem where one version of frecover
>
> My gut feeling is that export/import directly to/from tape
> will be consistent, export/import to/from disk with a dd to
> tape as a backup will be consistent, but export to tape,
> dd to disk, import from disk may not be.
>

My experience with dd on Sun Solaris yeilds similar results. Using dd to read from tape to disk tends to do funny stuff with blocking and other low-level tape-specific things.

Your best bet is to either import from tape, either directly, or using the pipe-through-node method that Steven suggested.

HTH, David L. Dennis
ARINC Incorporated
ddennis_at_arinc.com Received on Wed Dec 27 1995 - 22:40:02 CST