On Tue, 2005-08-02 at 17:02, Bryan J. Smith wrote:
Now I don't expect Freedomware solutions to offer the same level of "transparent tape virtualization," but I would be interested in any Open Source framework that uses a combination of near-line disk and off-line tape approaches.
E.g.,
- nodes only rsync diffs over network to the "host" backup
server
Backuppc is probably the only thing that can do this even though the backup-server side only stores compressed files. It has a custom implementation of rsync to manage this while talking to standard versions on the target machines. It can also use tar or smbtar for the transport.
- the "host" backup server manages those diffs/volumes as
near-line
It provides web access to browse/restore/download files.
- the "host" backup server committs to tape for off-line as
the discretion of the sys/netadmin
Backuppc allows you to write an 'archive' of a host manually, either to tape or as a compressed tar split in files sized to fit CDs or DVDs. This is sort of an afterthought though. I just periodically mirror the disk to an external drive to keep copies of the whole thing offsite. Since it keeps about 8x the data on disk with it's compression and linking scheme it is really easier to deal with it on disks.