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

From: Dominic Raferd
Subject: Re: [rdiff-backup-users] adding --resume back
Date: Fri, 05 Sep 2014 12:03:03 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.1.0

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.

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