Thanks for the info. It looks like I have some reading to do. I need to figure out how these different backups relate to each other. I’ll do some testing before I put this into production.

I’ve asked this question before, but I don’t think I got enough information. Here’s my situation

1.      I have three offices in different physical locations.

2.      Each location has between 200 GB to well over 1 TB of data.

3.      I would like to backup data between offices for offsite storage.

4.      I can’t wait weeks for data to be copied between offices

 

I know some commercial software allows you to “seed” the backup.

1.      Copy data to an external drive

2.      Mail the drive to another office

3.      Copy the data over – Your backup is now “seeded”

4.      Backups are now faster because you don’t have to copy everything.

 

Can bacula handle this?

 

Yes. Check out the File Deduplication using Base Jobs chapter at http://www.bacula.org/7.0.x-manuals/en/main/File_Deduplication_using_Ba.html and the Virtual Backup chapter at http://www.bacula.org/7.0.x-manuals/en/main/Released_Version_3_0_3_3_0_.html#SECTION00527000000000000000.

A base job is an initial backup of files that are not likely to change and is used to minimize the number of files that need to be routinely backed up. A virtual backup merges a full backup with one or more subsequent differential and incremental backups to create a new (synthetic) full backup. With these two concepts, the remote sites need only ever do incremental backups. The virtual backup takes place on the main office server only. In many cases the incremental backups are small and so feasible for backing up remote sites over the internet.

Of course, you have to do the initial base and full backups at the remote site. For that it is possible to install the Bacula storage daemon on a laptop and use a USB disk for the volume storage. Back at the main office the volumes on the USB drive(s) can be migrated to tapes and copied to other tapes for offsite storage and etc. just like any other backup.

Thanks!

 

--------------------

Damien Hull

IT Manager

Tikigaq Corporation

301 W. Northern Lights Blvd., Suite 660

Anchorage, AK 99503    

(907) 365-6249

dhull AT tikigaq DOT com

 

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