Backup of the news spool

Junior <[email protected]>
Newsgroups gmane.network.sn
Message-ID <[email protected]>
Hello. I'm using sn with remote and local groups and very happy with it.
I need to make backups of the local groups, but IMHO "tar"-ring directly the directory /var/spool/news would make corrupted backups.
I though about using sncat.
If it's a good path, how about the metadata? And to restore the backups?
Any clue?

-- Junior
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