Tomasz Chmielewski schrieb:
> Normally, when we use BackupPC's "Archive" functionality, it creates one 
> tar (gz|bz2) archive per host.
> 
> This way, if the hosts are similar, we loose all hardlinks that BackupPC 
> used internally to save us precious space.
> 
> 
> This is a bit painful if we intend to write that data to tapes later - 
> instead of 100 GB data (hardlinks used), you have 200 GB data (because 
> hardlinks are lost)...
> 
> 
> Is there a way to use the "Archive" functionality so that it creates a 
> one big tar/gz/bz2 package (probably, in a "native BackupPC format", and 
> thus, keeping hardlinks) for all the hosts we want?

Hmm, I guess I could easily do such an archive like that with tar - tar 
preserves hardlinks.

So, tar the latest full backup for all hosts with a single tar command:

pc/host_1/<latest_full>
pc/host_2/<latest_full>
...
pc/host_N/<latest_full>



This way, I don't loose hardlinks, and I don't have to 
decompress/compress each BackupPC archive to create a new tar archive.

The question is, can I later on restore such a backup reliably?



-- 
Tomasz Chmielewski
http://wpkg.org

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