Zitat von Alan Brown <ajb2 AT mssl.ucl.ac DOT uk>:

> On 21/08/12 15:40, Sven Tegethoff wrote:
>
>> At my previous company, we used to do a primary backup on a local backup
>> server, and then copied it over a 100mbit WAN line to a secondary
>> offsite server at a colocation center over the course of the day.
>
> If I was to do this, the 100Mb/s WAN would be saturated 24*7 - as it is
> we average 200Mb/s and spike to 800Mb/s without putting backup traffic
> over our WAN circuit.
>
> The scenario you describe is a small enough system that tape isn't
> necessary.
>
>> It's especially attractive if you're in an
>> environment that requires a lot of restores, because disk backups are
>> instantly available when you need them.
>
> Backups are for disaster recovery.
>
> If you have "an environment that requires a lot of restores" (ie, ID10T
> users who delete stuff they need) then you should look at
> multigenerational filesystems which allow users to haul their own rear
> ends out of the fire.
>
> OTOH, there's nothing like telling user that you can't restore their
> critical document for a few days to make them pay attention to good
> housekeeping practices (we have a policy of making users wait at least
> 48 hours. This is fully backed by management because it encourages users
> to take greater care of their data)

:-)  :-)  :-) BOFH, it's you???

I will take it on the next meeting agenda.

Andreas



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