[Info-vax] The (now lost) future of Alpha.

[Phillip Helbig undress to reply]

In article <plrbbe$q5$1 at Iltempo.Update.UU.SE>, Johnny Billquist
<bqt at softjar.se> writes: 

> On 2018-08-19 15:31, Bill Gunshannon wrote:
> > At the University we used tapes until it reached the point where a full
> > backup or restore would take more than 12 hours.  At that point we moved
> > to mirrored disks including one remote.
> 
> Which is fine, until you want to recover that file that was deleted a 
> while ago, at which point you realize that mirrored disks are not the 
> same thing as backups... Two different solutions, to two different problems.

Right.  However, a backup will only recover a file deleted by mistake if 
it had been created before the last backup.