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Re: subversion repository backup

From: Ryan Schmidt <subversion-2008c_at_ryandesign.com>
Date: Fri, 12 Dec 2008 05:05:05 -0600

On Dec 12, 2008, at 04:46, vinay i wrote:

> I am using fsync to back my subversion repository. This is not the
> ideal way to make a backup and I faced some issues probably because
> the files were copied in the wrong order.
> Subversion book talks about "svnsync" and "svnadmin hotcopy" for
> repository backup. I have a few queries regarding this:
> 1. svnsync: This only syncs the revisions. How do I sync all other
> configuration files,hooks and files which reside inside the
> repository directory?

You could use rsync or any other means to transfer those files.

> 2. svnsync: The advice is to maintain a "mirror copy" which has
> only read permissions. But we have scenarios when we need to make
> commits on the back up repository. (We used to do the same with CVS
> repository. When the primary repository was restored we committed
> the changes again on the primary repository). Hence, can I have a
> mirror copy which has write permissions. Will there be any side
> effects?

The mirror must be read-only. However you can configure a write-
through proxy so that write requests (e.g. commits) to the mirror's
URL get transparently sent through to the master instead.

> 3. svnadmin hotcopy: There are two ways to do it (incremental and
> full copy). I prefer to use full copy.

Where do you see that? AFAIK there is only "svnadmin hotcopy" which
(always) creates a complete copy of the repository.

> We use the same path for the repository on the main and backup
> server.
> a. Can I run a svnadmin copy directly to create a copy on the
> backup server?
> b. Should I do a hotcopy on the local server and then do a
> rsync to the backup server. Will there be any issues when rsync
> happens (should I use a staging area to rsync and then copy to the
> desired location)?

svnadmin hotcopy, like all other svnadmin commands, needs direct
filesystem access to the repository. It cannot operate over the
Subversion protocols like http:// or svn://. So that probably means
(b). I didn't understand your concern about a staging area for rsync.


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Received on 2008-12-12 12:06:18 CET

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