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Re: Merge of 2 separate subversion installations.

From: Patricia A Moss <pmoss4_at_csc.com>
Date: Mon, 2 Feb 2009 06:25:37 -0500


        You rock! Thank you for clearing up all of my questions.

System Engineer Sr. Professional

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Les Mikesell <lesmikesell_at_gmail.com>
01/30/2009 02:56 PM

Patricia A Moss/GIS/CSC_at_CSC
Re: Merge of 2 separate subversion installations.

Patricia A Moss wrote:
> Les,
> First, thank you for answering all of my questions. There are a

> couple more things that I would like to get cleared up.
> 1. So, a dump is not the same as a Unix tar command. If I were
> tar /home/testrepo and then restore it I would get the full directory
> structure of /home/testrepo restored to whatever path I used in the

Correct. A tar backup/restore might work when the source/destination
servers and subversion versions are similar. Svnadmin dump generates a
portable format and gives the loading version a chance to optimize the

> When I give a path for the dump I am simply pointing to the area by
> to get the data to dump from? Is that a correct statement?

Yes, svnadmin needs file-level access and this is the file-level path to
the repo.

> 2. Since these repos are going to a new server there is no "old
> one" to load into. So that would mean for every repo that I dump from
> old server I would need to create a new/empty one on the new server;
> before I perform, the load?


> 3. By creating new/empty repos I keep the integrity of the
> revision numbers?

Yes, and you can maintain (or not) the original repository UUID. If you
keep it, clients will be able to use svn switch to move a checked out
copy to point to the new repo. If you don't, the clients will have to
check out fresh copies.

> 4. Dumping from an older version and then loading into a newer
> version of Subversion will not cause any issues?

No, the dump format is designed to accommodate that kind of change.

   Les Mikesell
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Received on 2009-02-02 14:37:33 CET

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