On 21.08.2012 16:07, lst_hoe02 AT kwsoft DOT de wrote:
>> Not very many. The vast majority of bacula installations use disk
>> volumes, not tape - which is why debugging tape problems can take so
>> long.
> I always wonder how they handle offsite backup for disaster recovery...
> Maybe the plan is simply to go bankrupt in case of fire/water and so on ;-)

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. It 
still had risks that true offline backups don't have, but the 
"fire/water" case was very well covered by that, and it required a lot 
less manual "babysitting" than your typical tape backup. Tape backups 
are very high-maintenance in comparison, and disks have become so fast 
and cheap, it's often easier to build a couple of raids, and keep 
multiple copies around that'll only need intervention when disks fail or 
you run out of space. 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.

Really, the times when tapes where THE one and only choice for backups 
are long over.

yours,

-- 
Best Regards,

Sven Tegethoff


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