[lug] Backup

[Jeffrey Siegal]

On Dec 20, 2005, at 14:20 , Evelyn Mitchell wrote:

> * On 2005-12-20 14:44 Siegfried Heintze <siegfried at heintze.com> wrote:
>> I would like to see of discussion of RAID for home office systems.  
>> After
>> discussing my home office software consulting needs with some local
>> retailers, they talked me out of RAID because RAID only protects  
>> against
>> hardware failures and not hackers. I was hacked approx 18 months  
>> ago and it
>> was mighty painful rebuilding my disk -- even with backups.
>
> RAID is not a backup.
>
> Even without hackers, you need backups to protect against "fat  
> fingers" and
> pbkacs (problem between keyboard and chair). It's just too easy to  
> move a
> file to the wrong place, or delete something by accident, not to have
> backups.

That's true, although there are other ways of addressing this besides  
traditional backups.  One would be periodic read-only snapshots.