Re: [rdiff-backup-users] adding --resume back

[Dominic Raferd]

On 04/09/2014 15:39, Dominic Raferd wrote:
> I like that idea. But whereas the initial snapshot takes up almost no 
> disk space, I think that deleting its rdiff-backup-data directory 
> would cause it to swell in size by the size of the rdiff-backup-data 
> directory, or perhaps somewhat more (since snapshotting works at block 
> level). Better just to rsync to it ignoring the rdiff-backup-data 
> directory on the destination (I think using rsync --excl 
> /rdiff-backup-data should do it). Then, as you suggest, run 
> rdiff-backup from the snapshot back to the original location, again 
> ignoring /rdiff-backup-data on the source (rdiff-backup-data --exclude 
> /rdiff-backup-data) - or maybe rdiff-backup would ignore it anyway? 
> Cheers, Dominic

To correct what I wrote above, by experiment I have realised that 
deleting data from an LVM snapshot does *not* cause substantial swelling 
of the snapshot. So Chris's suggested strategy should work fine.

Dominic
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