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Re: Backing up - is db/current written last?

From: Jacob Atzen <jacob_at_aub.dk>
Date: 2005-07-04 14:02:53 CEST

On Sat, Jul 02, 2005 at 10:32:37PM -0400, Daniel Berlin wrote:
> Rsync builds the list of files first, *then* transfers them.
>
> Thus, the case to worry about is if it transfers db/current *after*
> another commit has occurred during the rsync (and the newly created
> revision file is thus not in rsync's list of files), and then you have a
> db/current that refers to something that wasn't transferred.
>
> Hence the reason to transfer it first.

Why not use svnadmin hotcopy[1] and stop worrying instead? That is, do a
hotcopy on the repository server and then rsync the copy to the backup
server. I also like to keep a dump of every single revision that goes
into the repository, just in case. I do this by having a post-commit
hook that simply dumps the latest delta into a file on each commit like
this:

$SVNADMIN dump "$REPOS" --incremental --revision "$REV" | bzip2 >
"$BACKUPDIR/$REPOSNAME/incremental/$REPOSNAME.$REV.dump.bz2"

[1]: <http://svnbook.red-bean.com/en/1.1/re33.html>

-- 
Cheers,
- Jacob Atzen
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Received on Mon Jul 4 14:07:15 2005

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