[H-GEN] Using dump/restore Quick File Access support

[Greg Black]

On 2004-11-23, Tim Kent wrote:

> I use dump/restore at various sites, and it does the job very well.  The
> only problem I have with restore is that it takes a long time to restore
> when the backup job is of a considerable size.

That's the nature of the design -- you use dump every day; you
use restore once every ten years.

> I've looked into using dump's -Q option, which writes out to a 'Quick File
> Access' file.  This file is generated correctly as far as I can tell, but
> when I go to restore, I get the following error:
> 
> [9610] error: 5 (setting tapepos: 35502400)
> 
> Could this be a limitation of the tape device/driver, or am I doing
> something wrong here?

Er, dunno.  The one true dump does not have a -Q option, so I've
no experience with it.

If you really need to restore frequently, it might be wiser to
investigate other mechanisms.  Hard to know what to suggest
without knowing more about the use case.

Cheers, Greg