> So, now I have some more questions :
> 1) Using a tape is slow,
What kind of tape do you have?  LTO4 and above net over 100MB/s.

>is it possible to use a disk storage as backup
> device with bacula ??????
Yes.

> 2) if 1) is possible, can we use concurrent accesses to the catalog in order
> being able to restore some data , while we are backing up other ones ????
>
Yes that will work with tape or disk.

John

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