delta block backup
On Tue, 26 Jun 2012 10:46:27 +0800, Umarzuki Mochlis wrote:
> I want to backup my Documents folder using Areca Backup and I want to
> know if one full backup (once a month) and daily delta blocks backup to
> office's network folder would be enough for a successful restore if my
> laptop have a drive failure?
I used Areca backup in the past, nice tool.
To restore your whole backup archive you'll need the first full backup
file and every delta you have produced afterwards.
I prefer using differential backups instead incremental/delta ones
because it facilitates the restoration process (you only need two files).
The drawback is that it takes more space.
> From what I understand, delta blocks backup is a more efficient for
> saving storage space, isn't it?
Yes, is more eficient, but a complete restoration of the backed data will
require that all of the small deltas to be there.
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