Hi Guillaume

Le 28/08/2013 13:44, giggzounet a écrit :
> Le 27/08/2013 14:47, Téïcée Bacula a écrit :
>> Hi Guillaume
>>
>> Le 27/08/2013 14:03, giggzounet a écrit :
>>> Hi,
>>>
>>> we have an overland neo 400s with 1 drive. I have installed and
>>> configured bacula. It works out of the box.
>> Good to know :-)
>>>
>>> In the overland neo 400s this is possible to add several drives. How
>>> will bacula handle that ?
>> Well, I would say: very well !
>>>
>>> If we have 2 drives, will bacula be able to do a parallel backup ?
>> Yes you can tune bacula to run several backups on several drives. You
>> can also do several backups at the same time on the same drive...
>>  I
>>> mean : we have to backup 15 Tera on tapes. With a drive we need 1 day
>>> and 11 hours. What will bacula do with 2 drive in the tape library ?
>> Well if you have two drives around 120MB/s, then yes 36 hours for 15TB /
>> 1 drive and then at least 7,5h with two drives. Now you may also
>> consider to spread your 15TB during the week... and then only 2 to 3TB a
>> day will save you money (one drive) and time (around 7h to back up 3TB
>> on a 120MB/s drive).
>>
>> Having two drives will let you able to restore data during backups...
>> Regards
>> Greg.
>>>
>>> Thx a lot,
>>> Best regards,
>>> Guillaume
>>>
> 
> Hi,
> 
> Thx for your reply.
> 
> The 15 Tera are in one directory...so this is just one job. Is it
> possible that bacula distributes these among of data on the two drives ?
Nope. Not AFAIK.
> like a "parallel job". For example bacula computes that the first 100
> files go on a tape in drive 1, the next 100 files go in drive 2, and so
> on...
But you can split your job into several pieces... One job for
directories [a-b], [c-d] and so on... Just a bit of work for fileset
definitions.
> 
> Regards,
Greg.
> Guillaume
> 
[...]
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