On Wed, Dec 30, 2020, 1:12 PM Andrei POPESCU <andreimpope...@gmail.com> wrote:
> On Mi, 30 dec 20, 13:29:05, Marc Auslander wrote: > > > > IMHO, there are two levels of backup. The more common use is to undo > > user error - deleting the wrong thing or changing something and wanting > > to back out. For that, backups on the same system are the most > > convenient. And if its on the same system, and you have raid1, you > > don't need a separate physical drive. > > > > The second is of course disaster recovery, a very low probability > > event - and I backup in the cloud and occasionally on removable media > > for that. > > What's the benefit of the "first" level if you also have the "second" > and is it worth the extra complexity? > The answer is yes, if my management deems the quicker turn-around on case 1 restores to be beneficial. Or beneficial for that particular server. We may be speaking of 2 different use cases: multi-tenant server versus dedicated backend server. In my opinion a good backup system should be able to easily deal with > both use cases. > Honestly the only place I've found that to really truly work in practice at large scale is IBM's mainframe hierarchical storage systems. Note I said "at scale". Kind regards, > Andrei > -- > http://wiki.debian.org/FAQsFromDebianUser >
