Hi
Currently, I have a backup of about 15TB of data, using another backup
solution.

I'm planning to migrate to backuppc V4, because of some problems I'm having
with the current solution. This backup is done every day through an
Internet connection and would be pretty dangerous waiting for many weeks to
do a first full backup (wait for transfers to complete through Internet -
about 100Mbps client uplink speed). Also, I don't have enough space to
accommodate two backups (current and the newly created by backuppc).

So, I'm wondering, is it ok to seed the backuppc pool manually? For
example, if I just checksum every file that I currently have on my backup
server and manually put them in the corresponding directory, for example:
Suppose I have a file /current-backup-solution/FILE01, which checksums
to b2bc1884a98f60259b1fd57d482855dd

And suppose I just copy or hardlink this file to:
/var/lib/backuppc/pool/b2/bc/b2bc1884a98f60259b1fd57d482855dd

If I start backuppc and do a backup on a client that has this FILE01 which
checksums to b2bc1884a98f60259b1fd57d482855dd, I could verify that backuppc
won't transfer this file over Internet, so solving my issues.

Are there any other things that I'm missing? Is it ok to do that?

Thanks in advance
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