On Fri, Sep 9, 2011 at 4:51 AM, Arnold Krille <arnold AT arnoldarts DOT de>
wrote:
>
> - Encrypted tapes: Writing weekly full dumps to tape or disk is nice, but we
> would love to feed these through gpg at the time of writing. Has anybody done
> this? And is this better done with writing the tars to a temporary (encrypted)
> partition and then manually feed trough gpg to tape or is there an easy way to
> extend BackupPC_tarCreate to write gpg-encrypted tar?
You don't need to 'extend' BackupPC_tarCreate - just pipe the output
through whatever encryption program you want on the way to the tape.
It might be easier to deal with something like 'openssl aes-256-cbc
-salt -k some_encryption_key' instead of gpg, though. And your
tape might perform better if you reblock the output using dd and some
appropriate obs= value at the end of the pipeline.
> - Writing to AmazonS3 and other remote storages. Using a tape is nice, but
> when the tapes are stored near the drive and therefor near the server itself,
> there is no 'offsite' involved. And as a service to our customers we would
> love
> to not sell them real tapes but virtual tape space at amazon or any other
> remote-storage (might be our own machines) where the weekly tapes get pushed.
> Of course together with the encryption solved.
If you don't care about pooling, split the output that would have gone
to tape into chunks that you store in a cloud. But be realistic about
the time it is going to take to do a restore. There are still
services like Iron Mountain that will physically transport tapes to
offsite storage.
> Are these ideas way off track? Do they fit into the perspective of BackupPC?
They don't mesh very well with the pooling concepts and you end up
with a complex scheme with lots of potential failure points.
--
Les Mikesell
lesmikesell AT gmail DOT com
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