Hi,

On 03/06/2013 03:46 PM, Les Mikesell wrote:

>> So my question is: can anybody think of an elegant way to re-use the
>> > currently backed up data so that I can keep the current backups and not
>> > start from scratch? The not-so-elegant solution that comes to mind is to
>> > rename the old host on the BackupPC server and create symlinks so that
>> > the old directories still exist on the new server.
>
> I think you've missed the main point of backuppc which is that it
> pools all files with identical content regardless of where it finds
> them.   Assuming you are storing the archive on a single filesystem
> with the pool hardlinks working correctly, the old files in their new
> location will be copied over once, then replaced with hardlinks to the
> existing pooled copy.   After that you'll have a new directory tree
> for rsync to use for subsequent runs.

Thanks for the quick response. I assumed that BackupPC was just creating
hardlinks in the pool for files on the same location. If what you say is
correct, does that mean it calculates checksums of each file, hence
never saving a duplicate file no matter where it resides on the filesystem?

That would be perfect.

Thanks,

Maarten

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