multi-platform dump and restore?

[Roland Smith]

On Wed, Jul 02, 2008 at 10:59:27AM -0400, Mark B. wrote:
> If I dump on amd64 should I be able to
> extract files from the dump on i386?

Yes.
 
> If so, should it be possible to restore a
> FreeBSD amd64 dump on OpenBSD i386?

Probably. OpenBSD 4.2 supports UFS2.

> Note there is ticket that may be related:
> 
>      bin/67723:
> 
>      restore(8) FreeBSD 5.x restore cannot handle
>      other platforms/Linux(extfs)-dumps anymore
> 
> ref: http://www.freebsd.org/cgi/query-pr.cgi?pr=67723&cat=

This should be closed unless it is still reproducable on 6.x or 7.x. The
release mentioned is ancient.

> I thought the dump file format was sacrosanct.
> Has there been heresy here?

The BSDs all use variants of UFS, and dump/restore understand UFS1 & 2.
The EXT2FS in use on Linux is a different animal altogether. I'm
surprised that it ever worked. 

Roland
-- 
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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