Hi,

Chris Robertson wrote on 2009-02-24 11:44:49 -0900 [Re: [BackupPC-users] move a 
specific backup (share) from one pool to another pool]:
> Tino Schwarze wrote:
> > On Mon, Feb 23, 2009 at 04:58:32PM -0600, Les Mikesell wrote:
> >>
> >> What happens if you just copy a single host's backup tree without regard 
> >> to the cpool links (assuming you have space)?  Will subsequent runs put 
> >> links into cpool so the wasted space goes away when the copied runs are 
> >> expired or will future matching files maintain links to the copied ones?
> 
> Subsequent runs would put links of newly BackupPC_dump'ed files into the 
> pool.  The copied files would be duplicates of the pool files, but would 
> not be linked.  As the copied backups are expired wasted space will be 
> recovered.

for the record (and the archives), that is not completely true. rsync full
backups will link "same" files against the file in the reference backup. If
this is outside the pool, then the file remains outside the pool even when
the original backup expires. Wasted space will only be recovered for *changed*
files. XferMethods tar/smb are not affected by this (they have no notion of
"same" on full backups, so even unchanged files will be put into the pool).

Regards,
Holger

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