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RE: Migrating from 32 to 64 bit

From: Jon Foster <Jon.Foster_at_cabot.co.uk>
Date: Thu, 12 Aug 2010 09:30:44 +0100

SVN decides if two repositories are "the same" by comparing their UUIDs.
You can get the Repository UUID from the old repository with "svn info",
and set it on the new repository with "svnadmin setuuid".
Kind regards,


From: Leszek Szarlej [mailto:leszek.szarlej_at_gmail.com]
Sent: 11 August 2010 18:56
To: Edward Ned Harvey; Leszek Szarlej; users_at_subversion.apache.org
Subject: Re: Migrating from 32 to 64 bit

Thank you for your answers. Currently I've setup svnsync and I am doing
test run of synchronizing repositories. I will have a small window to
migrate repositories. Using the svnsync gives me possibility to do major
job before the change window and then final sync during the change.

In this step I have some doubts whether users will have possibility to
relocate their local copies to new repository on new server. The first
step of sync procedure is to create fresh repository, I am afraid that
it will have different ID and svn will say "its not the same repository"

I will test it but you are welcome to give me your comments.


I have about 400 repositories to migrate. Svnsync showed about 60 -70
hours to sync all repos.


Thanks much

Leszek Szarlej

On 11 August 2010 15:50, Stefan Sperling <stsp_at_elego.de> wrote:

        On Wed, Aug 11, 2010 at 09:11:29AM -0400, Edward Ned Harvey
> As far as subversion is concerned, as long as you get it
installed, there is
> nothing for you to think or care about.
        It depends on the Subversion repository backend.
        If the BerkeleyDB backend is used, a dump/load cycle is probably
        so just do it to be on the safe side.
        With repositories using FSFS, there is nothing to worry about.
        The file "db/fs-type" in a repository tells you which kind of
        the repository is using: "bdb" or "fsfs"

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