On Thu, 2002-04-11 at 18:47, Jay Lessert wrote:
> On Thu, Apr 11, 2002 at 09:48:06AM +0200, klavs klavsen wrote:
> > Does amanda use the holding disk, when backing up from localhost?
>
> Yes.
>
> > If it were smart, it would skip the holding disk, as this would just
> > waste space..
>
> Hmm, I think I disagree. Using holdingdisk (assuming there's enough,
> and that you can run >1 backup in parallel) is a win from the point of
> view that holdingdisk is both faster than tape and can be accessed by
> multiple datastreams (backups) simultaneously.
>
> So the actual backups (tar or dump) can finish much more quickly than
> if they were waiting to serially access a single tape drive, and
> keeping your backup window as small as possible is usually considered a
> Good Thing. You don't (usually) really care if the tape drive is still
> churning for another hour or two or three afterwards; the important
> thing is that the file systems can safely return to full service before
> your users show up in the morning.
>
The case here, is that the files I want Amanda to backup from the
localhost would be backup-files - taken via rsync (which is what system
imager uses) - so the files are not in use on the server in any way.
If they were, I would agree with you in your argument. I will use
holding disk = no.
--
Regards,
Klavs Klavsen
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